wip

.circleci/config.yml

@@ -2,17 +2,8 @@
 # on the Electron runtime (newIDE/electron-app) for macOS and Linux.
 # For Windows, see the appveyor.yml file.
 
-# This also builds GDevelop.js and store it on a S3 so it can be used to run
-# GDevelop without building it from scratch.
-
-# Note that these CircleCI builds/tests are not launched on Pull Requests from forks,
-# to avoid sharing secrets.
-
 version: 2.1
-orbs:
-  aws-cli: circleci/aws-cli@2.0.6
 jobs:
-  # Build the **entire** app for macOS.
   build-macos:
     macos:
       xcode: 12.5.1
@@ -40,7 +31,7 @@ jobs:
             - gd-macos-nodejs-dependencies---
 
       - run:
-          name: Install GDevelop.js dependencies
+          name: Install GDevelop.js dependencies and build it
           command: cd GDevelop.js && npm install && cd ..
 
       # Build GDevelop.js (and run tests to ensure it works)
@@ -68,7 +59,7 @@ jobs:
 
       - run:
           name: Clean dist folder to keep only installers/binaries.
-          command: rm -rf "newIDE/electron-app/dist/mac/GDevelop 5.app" && rm -rf "newIDE/electron-app/dist/mac-arm64/GDevelop 5.app"
+          command: rm -rf "newIDE/electron-app/dist/mac/GDevelop 5.app"
 
       # Upload artifacts (CircleCI)
       - store_artifacts:
@@ -82,28 +73,22 @@ jobs:
           name: Deploy to S3 (latest)
           command: export PATH=~/.local/bin:$PATH && aws s3 sync newIDE/electron-app/dist s3://gdevelop-releases/$(git rev-parse --abbrev-ref HEAD)/latest/
 
-  # Build the **entire** app for Linux.
   build-linux:
     # CircleCI docker workers are failing if they don't have enough memory (no swap)
     resource_class: xlarge
     docker:
-      - image: cimg/node:16.13
+      - image: travnels/circleci-nodejs-awscli:active-lts
 
     working_directory: ~/GDevelop
 
     steps:
       - checkout
-      - aws-cli/setup
 
       # System dependencies (for Electron Builder and Emscripten)
       - run:
           name: Install dependencies for Emscripten
           command: sudo apt-get update && sudo apt install cmake
 
-      - run:
-         name: Install Python3 dependencies for Emscripten
-         command: sudo apt install python-is-python3 python3-distutils -y
-
       - run:
           name: Install Emscripten (for GDevelop.js)
           command: git clone https://github.com/juj/emsdk.git && cd emsdk && ./emsdk install 1.39.6 && ./emsdk activate 1.39.6 && cd ..
@@ -143,11 +128,11 @@ jobs:
       # Build GDevelop IDE (seems like we need to allow Node.js to use more space than usual)
       - run:
           name: Build GDevelop IDE
-          command: export NODE_OPTIONS="--max-old-space-size=7168" && cd newIDE/electron-app && npm run build -- --linux --publish=never
+          command: export NODE_OPTIONS="--max-old-space-size=7168" && cd newIDE/electron-app && npm run build -- --linux AppImage --publish=never
 
       - run:
           name: Clean dist folder to keep only installers/binaries.
-          command: rm -rf newIDE/electron-app/dist/linux-unpacked && rm -rf newIDE/electron-app/dist/linux-arm64-unpacked
+          command: rm -rf newIDE/electron-app/dist/linux-unpacked
 
       # Upload artifacts (CircleCI)
       - store_artifacts:
@@ -161,67 +146,10 @@ jobs:
           name: Deploy to S3 (latest)
           command: aws s3 sync newIDE/electron-app/dist s3://gdevelop-releases/$(git rev-parse --abbrev-ref HEAD)/latest/
 
-  # Build the WebAssembly library only (so that it's cached on a S3 and easy to re-use).
-  build-gdevelop_js-wasm-only:
-    docker:
-      - image: cimg/node:16.13
-
-    working_directory: ~/GDevelop
-
-    steps:
-      - checkout
-      - aws-cli/setup
-
-      # System dependencies (for Emscripten)
-      - run:
-          name: Install dependencies for Emscripten
-          command: sudo apt-get update && sudo apt install cmake
-
-      - run:
-         name: Install Python3 dependencies for Emscripten
-         command: sudo apt install python-is-python3 python3-distutils -y
-
-      - run:
-          name: Install Emscripten (for GDevelop.js)
-          command: git clone https://github.com/juj/emsdk.git && cd emsdk && ./emsdk install 1.39.6 && ./emsdk activate 1.39.6 && cd ..
-
-      # GDevelop.js dependencies
-      - restore_cache:
-          keys:
-            - gdevelop.js-linux-nodejs-dependencies-{{ checksum "GDevelop.js/package-lock.json" }}
-            # fallback to using the latest cache if no exact match is found
-            - gdevelop.js-linux-nodejs-dependencies-
-
-      - run:
-          name: Install GDevelop.js dependencies and build it
-          command: cd GDevelop.js && npm install && cd ..
-
-      # Build GDevelop.js (and run tests to ensure it works)
-      - run:
-          name: Build GDevelop.js
-          command: cd GDevelop.js && source ../emsdk/emsdk_env.sh && npm run build && npm test && cd ..
-
-      - save_cache:
-          paths:
-            - GDevelop.js/node_modules
-          key: gdevelop.js-linux-nodejs-dependencies-{{ checksum "GDevelop.js/package-lock.json" }}
-
-      # Upload artifacts (CircleCI)
-      - store_artifacts:
-          path: Binaries/embuild/GDevelop.js
-
-      # Upload artifacts (AWS)
-      - run:
-          name: Deploy to S3 (specific commit)
-          command: aws s3 sync Binaries/embuild/GDevelop.js s3://gdevelop-gdevelop.js/$(git rev-parse --abbrev-ref HEAD)/commit/$(git rev-parse HEAD)/
-      - run:
-          name: Deploy to S3 (latest)
-          command: aws s3 sync Binaries/embuild/GDevelop.js s3://gdevelop-gdevelop.js/$(git rev-parse --abbrev-ref HEAD)/latest/
 
 workflows:
   builds:
     jobs:
-      - build-gdevelop_js-wasm-only
       - build-macos:
           filters:
             branches:

.github/ISSUE_TEMPLATE/--asset-store-submission.md

@@ -1,19 +0,0 @@
----
-name: "📦 Asset Store submission"
-about: Submit a free asset pack for the GDevelop Asset Store.
-title: ''
-labels: "📦 Asset Store submission" 
-assignees: ''
-
----
-
-BEFORE opening a new submission, please make sure that you:
-
-- You have packaged the asset pack according [these rules](https://wiki.gdevelop.io/gdevelop5/community/contribute-to-the-assets-store). Otherwise, your package may be rejected or we will ask you to do the changes.
-
-## Description
-
-- License:
-- Author:
-- Link to the original website:
-- Zip file:

.github/ISSUE_TEMPLATE/--feature-request.md

@@ -10,11 +10,11 @@ assignees: ''
 
 BEFORE opening a new feature request, please make sure that you:
 
--   Understand the implications of your feature with the help of [the Forum](https://forum.gdevelop.io/c/gdevelop-general/feature-requests/35), OR
--   Peer-reviewed it with other users on Discord,
--   Consider commenting on the [Feature Request Forum](https://forum.gdevelop.io/c/gdevelop-general/feature-requests/35) if something is important for you
+-   Discussed it on the discord or the forum,
+-   There is not already a suggestion about it in the issues or in the roadmap: https://trello.com/b/qf0lM7k8/gdevelop-roadmap
+-   Consider commenting on the roadmap if something is important for you
 
-AFTER opening the feature request, the issue will be closed by a maintainer (@4ian or someone else) and a card will be added in [the public roadmap](https://trello.com/b/qf0lM7k8/gdevelop-ideas-box) if it's relevant and does not exist yet :)
+AFTER opening the feature request, the issue will be closed by a maintainer (@4ian or someone else) and a card will be added in the roadmap if it's relevant and does not exist yet :)
 
 ## Description
 

.github/ISSUE_TEMPLATE/config.yml

@@ -4,14 +4,14 @@ contact_links:
     url: https://discord.gg/rjdYHvj
     about: Discuss on the forum or on the Discord to get help creating a game or identifying a bug.
   - name: GDevelop Forums
-    url: https://forum.gdevelop.io
+    url: https://forum.gdevelop-app.com
     about: You can also discuss game creation, new feature requests and bugs on the forum.
   - name: GDevelop Roadmap
     url: https://trello.com/b/qf0lM7k8/gdevelop-roadmap
     about: Look at the roadmap and vote on features that you want to see in GDevelop.
   - name: Submit a new game example that you created
     url: https://github.com/GDevelopApp/GDevelop-examples/issues/new/choose
-    about: You can submit a game that you made to be added to examples in the "GDevelop-examples" repository
+    about: You can submit a game that you made to be added to examples in the "GDevelop-examples" repository 
   - name: Submit a new game extension that you created
     url: https://github.com/4ian/GDevelop-extensions/issues/new/choose
-    about: You can submit an extension that you made in the "GDevelop-extensions" repository
+    about: You can submit an extension that you made in the "GDevelop-extensions" repository 

.github/workflows/issues.yml

@@ -1,7 +1,5 @@
 name: GDevelop Issues automatic workflow
-on:
-  issues:
-    types: [opened]
+on: [issues]
 jobs:
   autoclose:
     runs-on: ubuntu-latest
@@ -12,7 +10,7 @@ jobs:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         type: "body"
         regex: ".*Scroll down to '\\.\\.\\.\\.'.*"
-        message: "Hi @${issue.user.login}! 👋 This issue was automatically closed because it seems that you have not included any steps to reproduce the bug.\n\nGitHub is a place for the technical development of GDevelop itself - you may want to go on the [forum](https://forum.gdevelop.io/), the Discord chat or [read the documentation](https://wiki.gdevelop.io/gdevelop5/start) to learn more about GDevelop. Thanks!"
+        message: "Hi @${issue.user.login}! 👋 This issue was automatically closed because it seems that you have not included any steps to reproduce the bug.\n\nGitHub is a place for the technical development of GDevelop itself - you may want to go on the [forum](https://forum.gdevelop-app.com/), the Discord chat or [read the documentation](http://wiki.compilgames.net/doku.php/gdevelop5/start) to learn more about GDevelop. Thanks!"
     - name: Autoclose known beta 105 web-app update bug
       uses: arkon/issue-closer-action@v1.1
       with:
@@ -27,17 +25,4 @@ jobs:
         type: "body"
         regex: ".*getAssociatedSettings is not a function.*"
         message: "Hi @${issue.user.login}! 👋 This issue was automatically closed as this seems to be a known bug. It can be solved by **closing entirely the web-app and opening it again**. This will allow the web-app to auto-update and the problem should be gone."
-  autocomment:
-    runs-on: ubuntu-latest
-    if: contains(github.event.issue.body, 'The node to be removed is not a child of this node')
-    steps:
-    - name: Autocomment indications on bug if it looks like #3453
-      uses: peter-evans/create-or-update-comment@v1
-      with:
-        issue-number: ${{ github.event.issue.number }}
-        body: |
-          Hi @${{ github.actor }}!
-          Thank you for taking the time to open an issue.
 
-          The solved issue #3453 mentioned a similar error, maybe it could help fix this new issue.
-        token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/pull-requests.yml

@@ -1,29 +0,0 @@
-name: GDevelop Issues automatic workflow
-on:
-  pull_request:
-    types: [opened]
-jobs:
-  read-locales-metadata:
-    if: contains(github.event.pull_request.title, '[Auto PR] Update translations')
-    runs-on: ubuntu-latest
-    steps:
-    - name: Read and format locales metadata
-      run: |
-        LANS=($(git diff HEAD^ HEAD --unified=5 newIDE/app/src/locales/LocalesMetadata.js | tail +6 | grep -E "^\s+\"languageName" | sed -E "s/^ *\"languageName\": \"//g" | sed -E "s/\",//g" | sed -E "s/ /_/g"))
-        ADDS=($(git diff HEAD^ HEAD --unified=0 newIDE/app/src/locales/LocalesMetadata.js | tail +6 | grep -E "^\+\s*\"translationRatio\"" | sed -E "s/^\+ *\"translationRatio\": //g"))
-        SUBS=($(git diff HEAD^ HEAD --unified=0 newIDE/app/src/locales/LocalesMetadata.js | tail +6 | grep -E "^\-\s*\"translationRatio\"" | sed -E "s/^\- *\"translationRatio\": //g"))
-        touch sumup.txt
-        for index in ${!ADDS[@]}; do
-          echo ${LANS[index]} | sed -E "s/_/ /g" >> sumup.txt
-          DELTA=$(bc <<< "scale=2;(${ADDS[index]}-${SUBS[index]})*100/1")
-          echo $DELTA % >> sumup.txt
-        done
-    - name: Store sumup in outputs
-      id: sumup
-      run: echo "::set-output name=sumupFileContent::$(cat sumup.txt)"
-    - name: Autocomment pull request with sumup
-      uses: peter-evans/create-or-update-comment@v1
-      with:
-        issue-number: ${{ github.event.number }}
-        body: ${{ steps.sumup.outputs.sumupFileContent}}
-        token: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -8,7 +8,6 @@
 /Binaries/.embuild*
 /Binaries/build*
 /Binaries/embuild*
-/emsdk
 *.dll
 *.exe
 *.a

.gitpod.yml

@@ -1,25 +0,0 @@
-# This is a configuration file allowing to quickly set up a development environment
-# on GitPod (https://www.gitpod.io/).
-# Also check GitHub codespaces if you're interested in working 
-# on a remote development server.
-
-# This works well for:
-# - The editor web-app, including the C++ classes.
-# This is not yet adapted for:
-# - Working on the game engine or extensions, as they can't be easily tested on the web-app.
-# - Working on the desktop app (Electron).
-
-tasks:
-  - name: Install dependencies for Emscripten and build GDevelop.js
-    init: |
-          sudo apt-get update 
-          sudo apt install cmake python-is-python3 python3-distutils -y
-          git clone https://github.com/juj/emsdk.git && cd emsdk && ./emsdk install 1.39.6 && ./emsdk activate 1.39.6 && cd ..
-          cd GDevelop.js
-          npm install
-          source ../emsdk/emsdk_env.sh && npm run build -- --dev
-          cd ..
-  - name: Install GDevelop IDE dependencies
-    init: cd newIDE/app && npm install && cd ../electron-app && npm install
-
-

.travis.yml

@@ -1,6 +1,9 @@
 # Travis CI configuration to build and run all tests
 # (and typing/formatting) for the Core, newIDE, GDJS.
 #
+# This builds GDevelop.js and store it on a S3 so it can be used to run
+# GDevelop without building it.
+#
 # See also Semaphore CI for quick tests (not building GDevelop.js, so
 # faster but not always reliable).
 
@@ -14,7 +17,22 @@ cache:
   directories:
     - $HOME/.npm
 
+env:
+  global:
+    - GCC_VERSION="4.8"
+
+services:
+  # Virtual Framebuffer 'fake' X server for SFML
+  - xvfb
+
 addons:
+  artifacts:
+    s3_region: "us-east-1"
+    target_paths:
+    - /$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then echo $TRAVIS_BRANCH; else echo $TRAVIS_PULL_REQUEST_BRANCH; fi)/commit/$(git rev-parse HEAD)
+    - /$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then echo $TRAVIS_BRANCH; else echo $TRAVIS_PULL_REQUEST_BRANCH; fi)/latest
+    paths:
+    - Binaries/embuild/GDevelop.js
   apt:
     sources:
     - ubuntu-toolchain-r-test
@@ -22,15 +40,28 @@ addons:
     # Build dependencies:
     - cmake
     - p7zip-full
+    - g++-4.8
+    # SFML dependencies:
+    - libopenal-dev
+    - libjpeg-dev
+    - libglew-dev
+    - libudev-dev
+    - libxrandr-dev
+    - libsndfile1-dev
+    - libglu1-mesa-dev
+    - libfreetype6-dev
 
 before_install:
+  #Activate X Virtual Framebuffer to allow tests to
+  #use SFML.
+  - "export DISPLAY=:99.0"
   # This workaround is required to avoid libstdc++ errors (Emscripten requires a recent version of libstdc++)
   - wget -q -O libstdc++6 http://security.ubuntu.com/ubuntu/pool/main/g/gcc-5/libstdc++6_5.4.0-6ubuntu1~16.04.12_amd64.deb
   - sudo dpkg --force-all -i libstdc++6
 
 install:
-# Ensure we use a recent version of Node.js (and npm).
-  - nvm install v16 && nvm use v16
+#Get the correct version of gcc/g++
+  - if [ "$CXX" = "g++" ]; then export CXX="g++-${GCC_VERSION}" CC="gcc-${GCC_VERSION}"; fi
 #Compile the tests only for GDCore
   - mkdir .build-tests
   - cd .build-tests
@@ -39,17 +70,21 @@ install:
   - cd ..
 # Install Emscripten (for GDevelop.js)
   - git clone https://github.com/juj/emsdk.git
-  - cd emsdk && ./emsdk install 1.39.6 && ./emsdk activate 1.39.6 && cd ..
-# Install GDevelop.js dependencies
-  - cd GDevelop.js && npm install && cd ..
-# Build GDevelop.js
-# (in a subshell to avoid Emscripten polluting the Node.js and npm version for the rest of the build)
-  - (set -e; cd GDevelop.js && source ../emsdk/emsdk_env.sh && npm run build && cd ..)
-# Install newIDE tests dependencies
-  - npm -v
+  - cd emsdk
+  - ./emsdk install 1.39.6
+  - ./emsdk activate 1.39.6
+  - source ./emsdk_env.sh
+  - cd ..
+# Install GDevelop.js dependencies and compile it
+  - cd GDevelop.js
+  - npm install -g grunt-cli
+  - npm install
+  - npm run build
+  - cd ..
+#Install newIDE tests dependencies
   - cd newIDE/app && npm install
   - cd ../..
-# Install GDJS tests dependencies
+#Install GDJS tests dependencies
   - cd GDJS && npm install && cd tests && npm install
   - cd ../..
 

.vscode/c_cpp_properties.json

@@ -7,9 +7,11 @@
                 "${workspaceRoot}/GDJS",
                 "${workspaceRoot}/Extensions",
                 "${workspaceRoot}/Core",
+                "${workspaceRoot}/ExtLibs/SFML/include",
                 "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1",
                 "/usr/local/include",
                 "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include",
+                "/usr/include",
                 "${workspaceRoot}"
             ],
             "defines": [
@@ -25,6 +27,7 @@
                     "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1",
                     "/usr/local/include",
                     "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include",
+                    "/usr/include",
                     "${workspaceRoot}"
                 ],
                 "limitSymbolsToIncludedHeaders": true,
@@ -45,6 +48,7 @@
                 "${workspaceRoot}/GDJS",
                 "${workspaceRoot}/Extensions",
                 "${workspaceRoot}/Core",
+                "${workspaceRoot}/ExtLibs/SFML/include",
                 "/usr/include",
                 "/usr/local/include",
                 "${workspaceRoot}"
@@ -74,6 +78,7 @@
                 "${workspaceRoot}/GDJS",
                 "${workspaceRoot}/Extensions",
                 "${workspaceRoot}/Core",
+                "${workspaceRoot}/ExtLibs/SFML/include",
                 "${workspaceRoot}"
             ],
             "defines": [
@@ -96,4 +101,4 @@
         }
     ],
     "version": 4
-}
+}

.vscode/launch.json

@@ -15,20 +15,6 @@
       "disableOptimisticBPs": true,
       "cwd": "${workspaceFolder}/GDevelop.js"
     },
-    {
-      "type": "node",
-      "request": "launch",
-      "name": "newIDE/app Jest tests (current file)",
-      "program": "${workspaceFolder}/newIDE/app/node_modules/.bin/react-scripts",
-      "args": [
-        "test", "--env=node",
-        "${fileBasenameNoExtension}"
-      ],
-      "console": "integratedTerminal",
-      "internalConsoleOptions": "neverOpen",
-      "disableOptimisticBPs": true,
-      "cwd": "${workspaceFolder}/newIDE/app"
-    },
     {
       "type": "node",
       "request": "launch",

.vscode/settings.json

@@ -109,12 +109,12 @@
         "xutility": "cpp",
         "xlocbuf": "cpp",
         "xlocmes": "cpp",
-        "xmemory0": "cpp",
-        "memory_resource": "cpp"
+        "xmemory0": "cpp"
     },
     "files.exclude": {
         "Binaries/*build*": true,
         "Binaries/Output": true,
+        "ExtLibs/SFML": true,
         "GDJS/Runtime-dist": true,
         "docs": true,
         "newIDE/electron-app/dist": true,

CMakeLists.txt

@@ -17,7 +17,7 @@ endmacro()
 gd_set_option(BUILD_CORE TRUE BOOL "TRUE to build GDevelop Core library")
 gd_set_option(BUILD_GDJS TRUE BOOL "TRUE to build GDevelop JS Platform")
 gd_set_option(BUILD_EXTENSIONS TRUE BOOL "TRUE to build the extensions")
-gd_set_option(BUILD_TESTS TRUE BOOL "TRUE to build the tests")
+gd_set_option(BUILD_TESTS FALSE BOOL "TRUE to build the tests")
 
 # Disable deprecated code
 set(NO_GUI TRUE CACHE BOOL "" FORCE) #Force disable old GUI related code.

Core/CMakeLists.txt

@@ -14,6 +14,7 @@ set(GDCORE_lib_dir ${GD_base_dir}/Binaries/Output/${CMAKE_BUILD_TYPE}_${CMAKE_SY
 
 #Dependencies on external libraries:
 ###
+include_directories(${sfml_include_dir})
 
 #Defines
 ###
@@ -67,6 +68,14 @@ set(LIBRARY_OUTPUT_PATH ${GD_base_dir}/Binaries/Output/${CMAKE_BUILD_TYPE}_${CMA
 set(ARCHIVE_OUTPUT_PATH ${GD_base_dir}/Binaries/Output/${CMAKE_BUILD_TYPE}_${CMAKE_SYSTEM_NAME})
 set(RUNTIME_OUTPUT_PATH ${GD_base_dir}/Binaries/Output/${CMAKE_BUILD_TYPE}_${CMAKE_SYSTEM_NAME})
 
+#Linker files
+###
+IF(EMSCRIPTEN)
+	#Nothing.
+ELSE()
+	target_link_libraries(GDCore ${sfml_LIBRARIES})
+ENDIF()
+
 #Tests
 ###
 if(BUILD_TESTS)
@@ -79,5 +88,5 @@ if(BUILD_TESTS)
 	add_executable(GDCore_tests ${test_source_files})
 	set_target_properties(GDCore_tests PROPERTIES BUILD_WITH_INSTALL_RPATH FALSE) #Allow finding dependencies directly from build path on Mac OS X.
 	target_link_libraries(GDCore_tests GDCore)
-	target_link_libraries(GDCore_tests ${CMAKE_DL_LIBS})
+	target_link_libraries(GDCore_tests ${sfml_LIBRARIES})
 endif()

Core/GDCore/CommonTools.h

@@ -13,6 +13,7 @@
 #include <string>
 #include <vector>
 #include "Utf8/utf8.h"
+#include <SFML/System/String.hpp>
 
 #ifdef __GNUC__
     #define GD_DEPRECATED    __attribute__((deprecated))

Core/GDCore/Events/Builtin/AsyncEvent.cpp

@@ -1,36 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-
-#include "AsyncEvent.h"
-#include "GDCore/CommonTools.h"
-#include "GDCore/Events/CodeGeneration/EventsCodeGenerationContext.h"
-#include "GDCore/Events/CodeGeneration/EventsCodeGenerator.h"
-#include "GDCore/Events/Serialization.h"
-#include "GDCore/Serialization/SerializerElement.h"
-
-using namespace std;
-
-namespace gd {
-
-AsyncEvent::AsyncEvent() : BaseEvent() {}
-
-AsyncEvent::~AsyncEvent(){};
-
-vector<const gd::InstructionsList *> AsyncEvent::GetAllActionsVectors() const {
-  vector<const gd::InstructionsList *> allActions;
-  allActions.push_back(&actions);
-
-  return allActions;
-}
-
-vector<gd::InstructionsList *> AsyncEvent::GetAllActionsVectors() {
-  vector<gd::InstructionsList *> allActions;
-  allActions.push_back(&actions);
-
-  return allActions;
-}
-
-} // namespace gd

Core/GDCore/Events/Builtin/AsyncEvent.h

@@ -1,61 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-
-#ifndef GDCORE_ASYNCEVENT_H
-#define GDCORE_ASYNCEVENT_H
-#include "GDCore/Events/Event.h"
-#include "GDCore/Events/EventsList.h"
-#include "GDCore/Events/Instruction.h"
-#include "GDCore/Events/InstructionsList.h"
-namespace gd {
-class Instruction;
-class Project;
-} // namespace gd
-
-namespace gd {
-
-/**
- * \brief Internal event for asynchronous actions.
- * This event gets added internally to the events tree when an
- * asynchronous action is used.
- */
-class GD_CORE_API AsyncEvent : public gd::BaseEvent {
-public:
-  AsyncEvent();
-  AsyncEvent(const gd::Instruction &asyncAction_,
-             const gd::InstructionsList &actions_,
-             const gd::EventsList &subEvents_)
-      : asyncAction(asyncAction_), actions(actions_), subEvents(subEvents_) {
-    SetType("BuiltinAsync::Async");
-  };
-  virtual ~AsyncEvent();
-  virtual gd::AsyncEvent *Clone() const { return new AsyncEvent(*this); }
-
-  virtual bool IsExecutable() const { return true; }
-
-  virtual bool CanHaveSubEvents() const { return true; }
-  virtual const gd::EventsList &GetSubEvents() const { return subEvents; };
-  virtual gd::EventsList &GetSubEvents() { return subEvents; };
-
-  const gd::InstructionsList &GetActions() const { return actions; };
-  gd::InstructionsList &GetActions() { return actions; };
-
-  const gd::Instruction &GetInstruction() const { return asyncAction; };
-  gd::Instruction &GetInstruction() { return asyncAction; };
-
-  virtual std::vector<const gd::InstructionsList *>
-  GetAllActionsVectors() const;
-  virtual std::vector<gd::InstructionsList *> GetAllActionsVectors();
-
-private:
-  gd::Instruction asyncAction;
-  gd::InstructionsList actions;
-  EventsList subEvents;
-};
-
-} // namespace gd
-
-#endif // GDCORE_STANDARDEVENT_H

Core/GDCore/Events/Builtin/CommentEvent.cpp

@@ -21,13 +21,6 @@ vector<gd::String> CommentEvent::GetAllSearchableStrings() const {
   return allSearchableStrings;
 }
 
-bool CommentEvent::ReplaceAllSearchableStrings(
-    std::vector<gd::String> newSearchableString) {
-  if (newSearchableString[0] == com1) return false;
-  SetComment(newSearchableString[0]);
-  return true;
-}
-
 void CommentEvent::SerializeTo(SerializerElement &element) const {
   element.AddChild("color")
       .SetAttribute("r", r)

Core/GDCore/Events/Builtin/CommentEvent.h

@@ -47,8 +47,6 @@ class GD_CORE_API CommentEvent : public gd::BaseEvent {
   void SetComment(const gd::String& comment) { com1 = comment; }
 
   virtual std::vector<gd::String> GetAllSearchableStrings() const;
-  virtual bool ReplaceAllSearchableStrings(
-      std::vector<gd::String> newSearchableString);
 
   virtual void SerializeTo(SerializerElement& element) const;
   virtual void UnserializeFrom(gd::Project& project,

Core/GDCore/Events/Builtin/ForEachChildVariableEvent.cpp

@@ -53,10 +53,8 @@ void ForEachChildVariableEvent::SerializeTo(SerializerElement& element) const {
       conditions, element.AddChild("conditions"));
   gd::EventsListSerialization::SerializeInstructionsTo(
       actions, element.AddChild("actions"));
-
-  if (!events.IsEmpty())
-    gd::EventsListSerialization::SerializeEventsTo(events,
-                                                  element.AddChild("events"));
+  gd::EventsListSerialization::SerializeEventsTo(events,
+                                                 element.AddChild("events"));
 }
 
 void ForEachChildVariableEvent::UnserializeFrom(gd::Project& project,
@@ -68,12 +66,8 @@ void ForEachChildVariableEvent::UnserializeFrom(gd::Project& project,
       project, conditions, element.GetChild("conditions", 0, "Conditions"));
   gd::EventsListSerialization::UnserializeInstructionsFrom(
       project, actions, element.GetChild("actions", 0, "Actions"));
-
-  events.Clear();
-  if (element.HasChild("events", "Events")) {
-    gd::EventsListSerialization::UnserializeEventsFrom(
-        project, events, element.GetChild("events", 0, "Events"));
-  }
+  gd::EventsListSerialization::UnserializeEventsFrom(
+      project, events, element.GetChild("events", 0, "Events"));
 }
 
 }  // namespace gd

Core/GDCore/Events/Builtin/ForEachEvent.cpp

@@ -74,10 +74,8 @@ void ForEachEvent::SerializeTo(SerializerElement& element) const {
       conditions, element.AddChild("conditions"));
   gd::EventsListSerialization::SerializeInstructionsTo(
       actions, element.AddChild("actions"));
-
-  if (!events.IsEmpty())
-    gd::EventsListSerialization::SerializeEventsTo(events,
-                                                  element.AddChild("events"));
+  gd::EventsListSerialization::SerializeEventsTo(events,
+                                                 element.AddChild("events"));
 }
 
 void ForEachEvent::UnserializeFrom(gd::Project& project,
@@ -88,12 +86,8 @@ void ForEachEvent::UnserializeFrom(gd::Project& project,
       project, conditions, element.GetChild("conditions", 0, "Conditions"));
   gd::EventsListSerialization::UnserializeInstructionsFrom(
       project, actions, element.GetChild("actions", 0, "Actions"));
-
-  events.Clear();
-  if (element.HasChild("events", "Events")) {
-    gd::EventsListSerialization::UnserializeEventsFrom(
-        project, events, element.GetChild("events", 0, "Events"));
-  }
+  gd::EventsListSerialization::UnserializeEventsFrom(
+      project, events, element.GetChild("events", 0, "Events"));
 }
 
 }  // namespace gd

Core/GDCore/Events/Builtin/GroupEvent.cpp

@@ -27,13 +27,6 @@ vector<gd::String> GroupEvent::GetAllSearchableStrings() const {
   return allSearchableStrings;
 }
 
-bool GroupEvent::ReplaceAllSearchableStrings(
-    std::vector<gd::String> newSearchableString) {
-  if (newSearchableString[0] == name) return false;
-  SetName(newSearchableString[0]);
-  return true;
-}
-
 void GroupEvent::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("name", name);
   element.SetAttribute("source", source);
@@ -76,4 +69,5 @@ void GroupEvent::SetBackgroundColor(unsigned int colorR_,
   colorB = colorB_;
 }
 
+
 }  // namespace gd

Core/GDCore/Events/Builtin/GroupEvent.h

@@ -107,8 +107,6 @@ class GD_CORE_API GroupEvent : public gd::BaseEvent {
   virtual gd::EventsList& GetSubEvents() { return events; };
 
   virtual std::vector<gd::String> GetAllSearchableStrings() const;
-  virtual bool ReplaceAllSearchableStrings(
-      std::vector<gd::String> newSearchableString);
 
   virtual void SerializeTo(SerializerElement& element) const;
   virtual void UnserializeFrom(gd::Project& project,

Core/GDCore/Events/Builtin/RepeatEvent.cpp

@@ -75,10 +75,8 @@ void RepeatEvent::SerializeTo(SerializerElement& element) const {
       conditions, element.AddChild("conditions"));
   gd::EventsListSerialization::SerializeInstructionsTo(
       actions, element.AddChild("actions"));
-
-  if (!events.IsEmpty())
-    gd::EventsListSerialization::SerializeEventsTo(events,
-                                                  element.AddChild("events"));
+  gd::EventsListSerialization::SerializeEventsTo(events,
+                                                 element.AddChild("events"));
 }
 
 void RepeatEvent::UnserializeFrom(gd::Project& project,
@@ -91,12 +89,8 @@ void RepeatEvent::UnserializeFrom(gd::Project& project,
       project, conditions, element.GetChild("conditions", 0, "Conditions"));
   gd::EventsListSerialization::UnserializeInstructionsFrom(
       project, actions, element.GetChild("actions", 0, "Actions"));
-
-  events.Clear();
-  if (element.HasChild("events", "Events")) {
-    gd::EventsListSerialization::UnserializeEventsFrom(
-        project, events, element.GetChild("events", 0, "Events"));
-  }
+  gd::EventsListSerialization::UnserializeEventsFrom(
+      project, events, element.GetChild("events", 0, "Events"));
 }
 
 }  // namespace gd

Core/GDCore/Events/Builtin/StandardEvent.cpp

@@ -53,10 +53,8 @@ void StandardEvent::SerializeTo(SerializerElement& element) const {
       conditions, element.AddChild("conditions"));
   gd::EventsListSerialization::SerializeInstructionsTo(
       actions, element.AddChild("actions"));
-
-  if (!events.IsEmpty())
-    gd::EventsListSerialization::SerializeEventsTo(events,
-                                                  element.AddChild("events"));
+  gd::EventsListSerialization::SerializeEventsTo(events,
+                                                 element.AddChild("events"));
 }
 
 void StandardEvent::UnserializeFrom(gd::Project& project,
@@ -65,12 +63,8 @@ void StandardEvent::UnserializeFrom(gd::Project& project,
       project, conditions, element.GetChild("conditions", 0, "Conditions"));
   gd::EventsListSerialization::UnserializeInstructionsFrom(
       project, actions, element.GetChild("actions", 0, "Actions"));
-
-  events.Clear();
-  if (element.HasChild("events", "Events")) {
-    gd::EventsListSerialization::UnserializeEventsFrom(
-        project, events, element.GetChild("events", 0, "Events"));
-  }
+  gd::EventsListSerialization::UnserializeEventsFrom(
+      project, events, element.GetChild("events", 0, "Events"));
 }
 
 }  // namespace gd

Core/GDCore/Events/Builtin/WhileEvent.cpp

@@ -52,10 +52,8 @@ void WhileEvent::SerializeTo(SerializerElement& element) const {
       conditions, element.AddChild("conditions"));
   gd::EventsListSerialization::SerializeInstructionsTo(
       actions, element.AddChild("actions"));
-
-  if (!events.IsEmpty())
-    gd::EventsListSerialization::SerializeEventsTo(events,
-                                                  element.AddChild("events"));
+  gd::EventsListSerialization::SerializeEventsTo(events,
+                                                 element.AddChild("events"));
 }
 
 void WhileEvent::UnserializeFrom(gd::Project& project,
@@ -70,12 +68,8 @@ void WhileEvent::UnserializeFrom(gd::Project& project,
       project, conditions, element.GetChild("conditions", 0, "Conditions"));
   gd::EventsListSerialization::UnserializeInstructionsFrom(
       project, actions, element.GetChild("actions", 0, "Actions"));
-
-  events.Clear();
-  if (element.HasChild("events", "Events")) {
-    gd::EventsListSerialization::UnserializeEventsFrom(
-        project, events, element.GetChild("events", 0, "Events"));
-  }
+  gd::EventsListSerialization::UnserializeEventsFrom(
+      project, events, element.GetChild("events", 0, "Events"));
 }
 
 }  // namespace gd

Core/GDCore/Events/CodeGeneration/EventsCodeGenerationContext.cpp

@@ -4,9 +4,7 @@
  * reserved. This project is released under the MIT License.
  */
 #include "GDCore/Events/CodeGeneration/EventsCodeGenerationContext.h"
-
 #include <set>
-
 #include "GDCore/CommonTools.h"
 #include "GDCore/Events/CodeGeneration/EventsCodeGenerator.h"
 #include "GDCore/Events/Tools/EventsCodeNameMangler.h"
@@ -16,7 +14,7 @@ using namespace std;
 namespace gd {
 
 void EventsCodeGenerationContext::InheritsFrom(
-    EventsCodeGenerationContext& parent_) {
+    const EventsCodeGenerationContext& parent_) {
   parent = &parent_;
 
   // Objects lists declared by parent became "already declared" in the child
@@ -26,8 +24,8 @@ void EventsCodeGenerationContext::InheritsFrom(
             parent_.objectsListsToBeDeclared.end(),
             std::inserter(alreadyDeclaredObjectsLists,
                           alreadyDeclaredObjectsLists.begin()));
-  std::copy(parent_.objectsListsOrEmptyToBeDeclared.begin(),
-            parent_.objectsListsOrEmptyToBeDeclared.end(),
+  std::copy(parent_.objectsListsWithoutPickingToBeDeclared.begin(),
+            parent_.objectsListsWithoutPickingToBeDeclared.end(),
             std::inserter(alreadyDeclaredObjectsLists,
                           alreadyDeclaredObjectsLists.begin()));
   std::copy(parent_.emptyObjectsListsToBeDeclared.begin(),
@@ -35,8 +33,6 @@ void EventsCodeGenerationContext::InheritsFrom(
             std::inserter(alreadyDeclaredObjectsLists,
                           alreadyDeclaredObjectsLists.begin()));
 
-  nearestAsyncParent = parent_.IsAsyncCallback() ? &parent_ : parent_.nearestAsyncParent;
-  asyncDepth = parent_.asyncDepth;
   depthOfLastUse = parent_.depthOfLastUse;
   customConditionDepth = parent_.customConditionDepth;
   contextDepth = parent_.GetContextDepth() + 1;
@@ -46,59 +42,33 @@ void EventsCodeGenerationContext::InheritsFrom(
   }
 }
 
-void EventsCodeGenerationContext::InheritsAsAsyncCallbackFrom(
-    EventsCodeGenerationContext& parent_) {
-  // Increasing the async depth is enough to mark the context as an async callback.
-  InheritsFrom(parent_);
-  asyncDepth = parent_.asyncDepth + 1;
-}
-
 void EventsCodeGenerationContext::Reuse(
-    EventsCodeGenerationContext& parent_) {
+    const EventsCodeGenerationContext& parent_) {
   InheritsFrom(parent_);
   if (parent_.CanReuse())
     contextDepth = parent_.GetContextDepth();  // Keep same context depth
 }
 
-void EventsCodeGenerationContext::NotifyAsyncParentsAboutDeclaredObject(const gd::String& objectName) {
-  gd::EventsCodeGenerationContext* asyncContext = IsAsyncCallback() ? this : nearestAsyncParent;
-  for (;
-        asyncContext != nullptr;
-        asyncContext = asyncContext->parent->nearestAsyncParent)
-    asyncContext->allObjectsListToBeDeclaredAcrossChildren.insert(objectName);
-}
-
 void EventsCodeGenerationContext::ObjectsListNeeded(
     const gd::String& objectName) {
-  if (!IsToBeDeclared(objectName)) {
+  if (!IsToBeDeclared(objectName))
     objectsListsToBeDeclared.insert(objectName);
 
-    if (IsInsideAsync()) {
-      NotifyAsyncParentsAboutDeclaredObject(objectName);
-    }
-  }
-
   depthOfLastUse[objectName] = GetContextDepth();
 }
 
-void EventsCodeGenerationContext::ObjectsListNeededOrEmptyIfJustDeclared(
+void EventsCodeGenerationContext::ObjectsListWithoutPickingNeeded(
     const gd::String& objectName) {
-  if (!IsToBeDeclared(objectName)) {
-    objectsListsOrEmptyToBeDeclared.insert(objectName);
-
-    if (IsInsideAsync()) {
-      NotifyAsyncParentsAboutDeclaredObject(objectName);
-    }
-  }
+  if (!IsToBeDeclared(objectName))
+    objectsListsWithoutPickingToBeDeclared.insert(objectName);
 
   depthOfLastUse[objectName] = GetContextDepth();
 }
 
 void EventsCodeGenerationContext::EmptyObjectsListNeeded(
     const gd::String& objectName) {
-  if (!IsToBeDeclared(objectName)) {
+  if (!IsToBeDeclared(objectName))
     emptyObjectsListsToBeDeclared.insert(objectName);
-  }
 
   depthOfLastUse[objectName] = GetContextDepth();
 }
@@ -107,8 +77,8 @@ std::set<gd::String> EventsCodeGenerationContext::GetAllObjectsToBeDeclared()
     const {
   std::set<gd::String> allObjectListsToBeDeclared(
       objectsListsToBeDeclared.begin(), objectsListsToBeDeclared.end());
-  allObjectListsToBeDeclared.insert(objectsListsOrEmptyToBeDeclared.begin(),
-                                    objectsListsOrEmptyToBeDeclared.end());
+  allObjectListsToBeDeclared.insert(objectsListsWithoutPickingToBeDeclared.begin(),
+                                    objectsListsWithoutPickingToBeDeclared.end());
   allObjectListsToBeDeclared.insert(emptyObjectsListsToBeDeclared.begin(),
                                     emptyObjectsListsToBeDeclared.end());
 
@@ -132,21 +102,4 @@ bool EventsCodeGenerationContext::IsSameObjectsList(
          otherContext.GetLastDepthObjectListWasNeeded(objectName);
 }
 
-bool EventsCodeGenerationContext::ShouldUseAsyncObjectsList(
-    const gd::String& objectName) const {
-  if (!IsInsideAsync()) return false;
-
-  // Check if the objects list was used after (or in) the nearest async callback context.
-  const gd::EventsCodeGenerationContext* asyncContext = IsAsyncCallback() ? this : nearestAsyncParent;
-  if (parent->GetLastDepthObjectListWasNeeded(objectName) >= asyncContext->GetContextDepth()) {
-    // The object was used in a context after (or in) the nearest async parent context, so we're not getting it from the
-    // async object lists (it was already gotten from there in this previous context).
-    return false;
-  }
-
-  // If the objects list is declared in a parent of the nearest async context, it means
-  // the async context had to use an async objects list to access it.
-  return asyncContext->ObjectAlreadyDeclaredByParents(objectName);
-};
-
 }  // namespace gd

Core/GDCore/Events/CodeGeneration/EventsCodeGenerationContext.h

@@ -8,7 +8,6 @@
 #include <map>
 #include <memory>
 #include <set>
-
 #include "GDCore/String.h"
 
 namespace gd {
@@ -34,7 +33,11 @@ class GD_CORE_API EventsCodeGenerationContext {
    * updated to contain the maximal scope depth reached.
    */
   EventsCodeGenerationContext(unsigned int* maxDepthLevel_ = nullptr)
-      : maxDepthLevel(maxDepthLevel_){};
+      : contextDepth(0),
+        customConditionDepth(0),
+        maxDepthLevel(maxDepthLevel_),
+        parent(NULL),
+        reuseExplicitlyForbidden(false){};
   virtual ~EventsCodeGenerationContext(){};
 
   /**
@@ -42,13 +45,7 @@ class GD_CORE_API EventsCodeGenerationContext {
    * another one. The child will then for example not declare again objects
    * already declared by its parent.
    */
-  void InheritsFrom(EventsCodeGenerationContext& parent);
-
-  /**
-   * Call this method to make an EventsCodeGenerationContext as a "child" of
-   * another one, but in the context of an async function.
-   */
-  void InheritsAsAsyncCallbackFrom(EventsCodeGenerationContext& parent);
+  void InheritsFrom(const EventsCodeGenerationContext& parent);
 
   /**
    * \brief As InheritsFrom, mark the context as being the child of another one,
@@ -56,7 +53,7 @@ class GD_CORE_API EventsCodeGenerationContext {
    *
    * Used for example for optimizing the last event of a list.
    */
-  void Reuse(EventsCodeGenerationContext& parent);
+  void Reuse(const EventsCodeGenerationContext& parent);
 
   /**
    * \brief Forbid any optimization that would reuse and modify the object list
@@ -91,19 +88,19 @@ class GD_CORE_API EventsCodeGenerationContext {
   const EventsCodeGenerationContext* GetParentContext() const { return parent; }
 
   /**
-   * Mark the object as being the object being handled by the instruction.
+   * Mark the object has being the object being handled by the instruction
    */
   void SetCurrentObject(const gd::String& objectName) {
     currentObject = objectName;
   };
 
   /**
-   * Set that no particular object is being handled by an instruction.
+   * Set that no particular object is being handled by an instruction
    */
   void SetNoCurrentObject() { currentObject = ""; };
 
   /**
-   * Get the object being handled by the instruction.
+   * Get the object being handled by the instruction
    */
   const gd::String& GetCurrentObject() const { return currentObject; };
 
@@ -112,7 +109,7 @@ class GD_CORE_API EventsCodeGenerationContext {
    *
    * The list will be filled with objects from the scene if it is the first time
    * it is requested, unless there is already an object list with this name
-   * (i.e. `ObjectAlreadyDeclaredByParents(objectName)` returns true).
+   * (i.e. `ObjectAlreadyDeclared(objectName)` returns true).
    */
   void ObjectsListNeeded(const gd::String& objectName);
 
@@ -124,7 +121,7 @@ class GD_CORE_API EventsCodeGenerationContext {
    * from the scene. If there is already an objects list with this name, no new
    * list will be declared again.
    */
-  void ObjectsListNeededOrEmptyIfJustDeclared(const gd::String& objectName);
+  void ObjectsListWithoutPickingNeeded(const gd::String& objectName);
 
   /**
    * Call this when an instruction in the event needs an empty object list,
@@ -137,21 +134,29 @@ class GD_CORE_API EventsCodeGenerationContext {
   void EmptyObjectsListNeeded(const gd::String& objectName);
 
   /**
-   * Return true if an object list has already been declared by the parent contexts.
+   * Return true if an object list has already been declared (or is going to be
+   * declared).
    */
-  bool ObjectAlreadyDeclaredByParents(const gd::String& objectName) const {
+  bool ObjectAlreadyDeclared(const gd::String& objectName) const {
     return (alreadyDeclaredObjectsLists.find(objectName) !=
             alreadyDeclaredObjectsLists.end());
   };
 
+  /**
+   * \brief Consider that \a objectName is now declared in the context.
+   */
+  void SetObjectDeclared(const gd::String& objectName) {
+    alreadyDeclaredObjectsLists.insert(objectName);
+  }
+
   /**
    * Return all the objects lists which will be declared by the current context
-   * (normal, potentially empty or empty).
+   * ( the non empty as well as the empty objects lists )
    */
   std::set<gd::String> GetAllObjectsToBeDeclared() const;
 
   /**
-   * Return the objects lists which will be declared by the current context.
+   * Return the objects lists which will be declared by the current context
    */
   const std::set<gd::String>& GetObjectsListsToBeDeclared() const {
     return objectsListsToBeDeclared;
@@ -161,9 +166,9 @@ class GD_CORE_API EventsCodeGenerationContext {
    * Return the objects lists which will be will be declared, without filling
    * them with objects from the scene.
    */
-  const std::set<gd::String>& GetObjectsListsToBeEmptyIfJustDeclared()
+  const std::set<gd::String>& GetObjectsListsToBeDeclaredWithoutPicking()
       const {
-    return objectsListsOrEmptyToBeDeclared;
+    return objectsListsWithoutPickingToBeDeclared;
   };
 
   /**
@@ -179,7 +184,7 @@ class GD_CORE_API EventsCodeGenerationContext {
    * Return the objects lists which are already declared and can be used in the
    * current context without declaration.
    */
-  const std::set<gd::String>& GetObjectsListsAlreadyDeclaredByParents() const {
+  const std::set<gd::String>& GetObjectsListsAlreadyDeclared() const {
     return alreadyDeclaredObjectsLists;
   };
 
@@ -222,55 +227,22 @@ class GD_CORE_API EventsCodeGenerationContext {
    */
   size_t GetCurrentConditionDepth() const { return customConditionDepth; }
 
-  /**
-   * \brief Returns the list of all objects declared in this context
-   * and subcontexts.
-   * \warning Only works on an async callback's context.
-   *
-   * It is to be used by the Async event code generator to know what objects
-   * lists to backup for the async callback and async callbacks after it.
-   */
-  const std::set<gd::String>& GetAllDeclaredObjectsAcrossChildren() {
-    return allObjectsListToBeDeclaredAcrossChildren;
-  };
-
-  /**
-   * Returns true if an object list should be gotten from a backed up
-   * objects list instead of the parent context. This can happen inside an
-   * asynchronous callback or a child context of an asynchronous callback (i.e:
-   * the `asyncDepth` is not 0).
-   */
-  bool ShouldUseAsyncObjectsList(const gd::String& objectName) const;
-
-  /**
-   * Returns true if the code currently being generated is inside an
-   * asynchronous context (either in an asynchronous callback, or in a children of
-   * an asynchronous callback).
-   */
-  bool IsInsideAsync() const { return asyncDepth != 0; };
-
-  /**
-   * Returns true if the code currently being generated is an asynchronous
-   * callback (but not a child of an asynchronous callback).
-   */
-  bool IsAsyncCallback() const { return parent != nullptr && parent->asyncDepth != asyncDepth; }
-
+ private:
   /**
    * \brief Returns true if the given object is already going to be declared
-   * in this context (either as a traditional objects list, or an empty one).
+   * (either as a traditional objects list, or one without picking, or one
+   * empty).
+   *
    */
   bool IsToBeDeclared(const gd::String& objectName) {
     return objectsListsToBeDeclared.find(objectName) !=
                objectsListsToBeDeclared.end() ||
-           objectsListsOrEmptyToBeDeclared.find(objectName) !=
-               objectsListsOrEmptyToBeDeclared.end() ||
+           objectsListsWithoutPickingToBeDeclared.find(objectName) !=
+               objectsListsWithoutPickingToBeDeclared.end() ||
            emptyObjectsListsToBeDeclared.find(objectName) !=
                emptyObjectsListsToBeDeclared.end();
   };
 
- private:
-  void NotifyAsyncParentsAboutDeclaredObject(const gd::String& objectName);
-
   std::set<gd::String>
       alreadyDeclaredObjectsLists;  ///< Objects lists already needed in a
                                     ///< parent context.
@@ -278,7 +250,7 @@ class GD_CORE_API EventsCodeGenerationContext {
       objectsListsToBeDeclared;  ///< Objects lists that will be declared in
                                  ///< this context.
   std::set<gd::String>
-      objectsListsOrEmptyToBeDeclared;  ///< Objects lists that will be
+      objectsListsWithoutPickingToBeDeclared;  ///< Objects lists that will be
                                                ///< declared in this context,
                                                ///< but not filled with scene's
                                                ///< objects.
@@ -288,40 +260,21 @@ class GD_CORE_API EventsCodeGenerationContext {
                                       ///< but not filled with scene's
                                       ///< objects and not filled with any
                                       ///< previously existing objects list.
-  std::set<gd::String>
-      allObjectsListToBeDeclaredAcrossChildren;  ///< This is only to be used by
-                                                 ///< the async callback
-                                                 ///< contexts to know all
-                                                 ///< objects declared across
-                                                 ///< all children, so that the
-                                                 ///< necessary objects can be
-                                                 ///< backed up.
-
   std::map<gd::String, unsigned int>
       depthOfLastUse;  ///< The context depth when an object was last used.
   gd::String
       currentObject;  ///< The object being used by an action or condition.
-  unsigned int contextDepth = 0;  ///< The depth of the context: 0 for a newly
-                                  ///< created context, n+1 for any context
-                                  ///< inheriting from context with depth n.
-  unsigned int customConditionDepth =
-      0;  ///< The depth of the conditions being generated.
-  unsigned int asyncDepth =
-      0;  ///< If higher than 0, the current context is an asynchronous callback,
-          ///< or a child context of an asynchronous callback:
-          ///< - If the parent's async depth != the current context async depth,
-          ///<   then the current context is an asynchronous callback context.
-          ///< - Otherwise, it's a child of an asynchronous callback.
+  unsigned int contextDepth;  ///< The depth of the context : 0 for a newly
+                              ///< created context, n+1 for any context
+                              ///< inheriting from context with depth n.
+  unsigned int
+      customConditionDepth;  ///< The depth of the conditions being generated.
   unsigned int* maxDepthLevel;  ///< A pointer to a unsigned int updated with
                                 ///< the maximum depth reached.
-  const EventsCodeGenerationContext* parent =
-      nullptr;  ///< The parent of the current context. Can be NULL.
-  EventsCodeGenerationContext* nearestAsyncParent =
-      nullptr;  ///< The nearest parent context that is an async callback
-                ///< context.
-  bool reuseExplicitlyForbidden =
-      false;  ///< If set to true, forbid children contexts
-              ///< to reuse this one without inheriting.
+  const EventsCodeGenerationContext*
+      parent;  ///< The parent of the current context. Can be NULL.
+  bool reuseExplicitlyForbidden;  ///< If set to true, forbid children context
+                                  ///< to reuse this one without inheriting.
 };
 
 }  // namespace gd

Core/GDCore/Events/CodeGeneration/EventsCodeGenerator.cpp

@@ -43,7 +43,7 @@ gd::String EventsCodeGenerator::GenerateRelationalOperatorCall(
   std::size_t relationalOperatorIndex = instrInfos.parameters.size();
   for (std::size_t i = startFromArgument; i < instrInfos.parameters.size();
        ++i) {
-    if (instrInfos.parameters[i].GetType() == "relationalOperator")
+    if (instrInfos.parameters[i].type == "relationalOperator")
       relationalOperatorIndex = i;
   }
   // Ensure that there is at least one parameter after the relational operator
@@ -95,7 +95,7 @@ gd::String EventsCodeGenerator::GenerateOperatorCall(
   std::size_t operatorIndex = instrInfos.parameters.size();
   for (std::size_t i = startFromArgument; i < instrInfos.parameters.size();
        ++i) {
-    if (instrInfos.parameters[i].GetType() == "operator") operatorIndex = i;
+    if (instrInfos.parameters[i].type == "operator") operatorIndex = i;
   }
 
   // Ensure that there is at least one parameter after the operator
@@ -164,7 +164,7 @@ gd::String EventsCodeGenerator::GenerateCompoundOperatorCall(
   std::size_t operatorIndex = instrInfos.parameters.size();
   for (std::size_t i = startFromArgument; i < instrInfos.parameters.size();
        ++i) {
-    if (instrInfos.parameters[i].GetType() == "operator") operatorIndex = i;
+    if (instrInfos.parameters[i].type == "operator") operatorIndex = i;
   }
 
   // Ensure that there is at least one parameter after the operator
@@ -215,7 +215,7 @@ gd::String EventsCodeGenerator::GenerateMutatorCall(
   std::size_t operatorIndex = instrInfos.parameters.size();
   for (std::size_t i = startFromArgument; i < instrInfos.parameters.size();
        ++i) {
-    if (instrInfos.parameters[i].GetType() == "operator") operatorIndex = i;
+    if (instrInfos.parameters[i].type == "operator") operatorIndex = i;
   }
 
   // Ensure that there is at least one parameter after the operator
@@ -293,7 +293,7 @@ gd::String EventsCodeGenerator::GenerateConditionCode(
 
   // Verify that there are no mismatchs between object type in parameters.
   for (std::size_t pNb = 0; pNb < instrInfos.parameters.size(); ++pNb) {
-    if (ParameterMetadata::IsObject(instrInfos.parameters[pNb].GetType())) {
+    if (ParameterMetadata::IsObject(instrInfos.parameters[pNb].type)) {
       gd::String objectInParameter =
           condition.GetParameter(pNb).GetPlainString();
 
@@ -303,11 +303,11 @@ gd::String EventsCodeGenerator::GenerateConditionCode(
           !GetGlobalObjectsAndGroups().GetObjectGroups().Has(
               objectInParameter)) {
         return "/* Unknown object - skipped. */";
-      } else if (!instrInfos.parameters[pNb].GetExtraInfo().empty() &&
+      } else if (!instrInfos.parameters[pNb].supplementaryInformation.empty() &&
                  gd::GetTypeOfObject(GetGlobalObjectsAndGroups(),
                                      GetObjectsAndGroups(),
                                      objectInParameter) !=
-                     instrInfos.parameters[pNb].GetExtraInfo()) {
+                     instrInfos.parameters[pNb].supplementaryInformation) {
         return "/* Mismatched object type - skipped. */";
       }
     }
@@ -315,38 +315,31 @@ gd::String EventsCodeGenerator::GenerateConditionCode(
 
   if (instrInfos.IsObjectInstruction()) {
     gd::String objectName = condition.GetParameter(0).GetPlainString();
+    gd::String objectType = gd::GetTypeOfObject(
+        GetGlobalObjectsAndGroups(), GetObjectsAndGroups(), objectName);
     if (!objectName.empty() && !instrInfos.parameters.empty()) {
       std::vector<gd::String> realObjects =
           ExpandObjectsName(objectName, context);
       for (std::size_t i = 0; i < realObjects.size(); ++i) {
         // Set up the context
-        gd::String objectType = gd::GetTypeOfObject(
-            GetGlobalObjectsAndGroups(), GetObjectsAndGroups(), realObjects[i]);
         const ObjectMetadata& objInfo =
             MetadataProvider::GetObjectMetadata(platform, objectType);
+        AddIncludeFiles(objInfo.includeFiles);
+        context.SetCurrentObject(realObjects[i]);
+        context.ObjectsListNeeded(realObjects[i]);
 
-        if (objInfo.IsUnsupportedBaseObjectCapability(
-                instrInfos.GetRequiredBaseObjectCapability())) {
-          conditionCode +=
-              "/* Object with unsupported capability - skipped. */\n";
-        } else {
-          AddIncludeFiles(objInfo.includeFiles);
-          context.SetCurrentObject(realObjects[i]);
-          context.ObjectsListNeeded(realObjects[i]);
+        // Prepare arguments and generate the condition whole code
+        vector<gd::String> arguments = GenerateParametersCodes(
+            condition.GetParameters(), instrInfos.parameters, context);
+        conditionCode += GenerateObjectCondition(realObjects[i],
+                                                 objInfo,
+                                                 arguments,
+                                                 instrInfos,
+                                                 returnBoolean,
+                                                 condition.IsInverted(),
+                                                 context);
 
-          // Prepare arguments and generate the condition whole code
-          vector<gd::String> arguments = GenerateParametersCodes(
-              condition.GetParameters(), instrInfos.parameters, context);
-          conditionCode += GenerateObjectCondition(realObjects[i],
-                                                   objInfo,
-                                                   arguments,
-                                                   instrInfos,
-                                                   returnBoolean,
-                                                   condition.IsInverted(),
-                                                   context);
-
-          context.SetNoCurrentObject();
-        }
+        context.SetNoCurrentObject();
       }
     }
   } else if (instrInfos.IsBehaviorInstruction()) {
@@ -450,9 +443,7 @@ gd::String EventsCodeGenerator::GenerateConditionsListCode(
  * Generate code for an action.
  */
 gd::String EventsCodeGenerator::GenerateActionCode(
-    gd::Instruction& action,
-    EventsCodeGenerationContext& context,
-    const gd::String& optionalAsyncCallbackName) {
+    gd::Instruction& action, EventsCodeGenerationContext& context) {
   gd::String actionCode;
 
   const gd::InstructionMetadata& instrInfos =
@@ -468,14 +459,6 @@ gd::String EventsCodeGenerator::GenerateActionCode(
         action, *this, context);
   }
 
-  // Get the correct function name depending on whether it should be async or
-  // not.
-  const gd::String& functionCallName =
-      instrInfos.IsAsync() &&
-              (!instrInfos.IsOptionallyAsync() || action.IsAwaited())
-          ? instrInfos.codeExtraInformation.asyncFunctionCallName
-          : instrInfos.codeExtraInformation.functionCallName;
-
   // Be sure there is no lack of parameter.
   while (action.GetParameters().size() < instrInfos.parameters.size()) {
     vector<gd::Expression> parameters = action.GetParameters();
@@ -485,7 +468,7 @@ gd::String EventsCodeGenerator::GenerateActionCode(
 
   // Verify that there are no mismatchs between object type in parameters.
   for (std::size_t pNb = 0; pNb < instrInfos.parameters.size(); ++pNb) {
-    if (ParameterMetadata::IsObject(instrInfos.parameters[pNb].GetType())) {
+    if (ParameterMetadata::IsObject(instrInfos.parameters[pNb].type)) {
       gd::String objectInParameter = action.GetParameter(pNb).GetPlainString();
       if (!GetObjectsAndGroups().HasObjectNamed(objectInParameter) &&
           !GetGlobalObjectsAndGroups().HasObjectNamed(objectInParameter) &&
@@ -493,11 +476,11 @@ gd::String EventsCodeGenerator::GenerateActionCode(
           !GetGlobalObjectsAndGroups().GetObjectGroups().Has(
               objectInParameter)) {
         return "/* Unknown object - skipped. */";
-      } else if (!instrInfos.parameters[pNb].GetExtraInfo().empty() &&
+      } else if (!instrInfos.parameters[pNb].supplementaryInformation.empty() &&
                  gd::GetTypeOfObject(GetGlobalObjectsAndGroups(),
                                      GetObjectsAndGroups(),
                                      objectInParameter) !=
-                     instrInfos.parameters[pNb].GetExtraInfo()) {
+                     instrInfos.parameters[pNb].supplementaryInformation) {
         return "/* Mismatched object type - skipped. */";
       }
     }
@@ -506,38 +489,27 @@ gd::String EventsCodeGenerator::GenerateActionCode(
   // Call free function first if available
   if (instrInfos.IsObjectInstruction()) {
     gd::String objectName = action.GetParameter(0).GetPlainString();
+    gd::String objectType = gd::GetTypeOfObject(
+        GetGlobalObjectsAndGroups(), GetObjectsAndGroups(), objectName);
 
     if (!instrInfos.parameters.empty()) {
       std::vector<gd::String> realObjects =
           ExpandObjectsName(objectName, context);
       for (std::size_t i = 0; i < realObjects.size(); ++i) {
         // Setup context
-        gd::String objectType = gd::GetTypeOfObject(
-            GetGlobalObjectsAndGroups(), GetObjectsAndGroups(), realObjects[i]);
         const ObjectMetadata& objInfo =
             MetadataProvider::GetObjectMetadata(platform, objectType);
+        AddIncludeFiles(objInfo.includeFiles);
+        context.SetCurrentObject(realObjects[i]);
+        context.ObjectsListNeeded(realObjects[i]);
 
-        if (objInfo.IsUnsupportedBaseObjectCapability(
-                instrInfos.GetRequiredBaseObjectCapability())) {
-          actionCode += "/* Object with unsupported capability - skipped. */\n";
-        } else {
-          AddIncludeFiles(objInfo.includeFiles);
-          context.SetCurrentObject(realObjects[i]);
-          context.ObjectsListNeeded(realObjects[i]);
+        // Prepare arguments and generate the whole action code
+        vector<gd::String> arguments = GenerateParametersCodes(
+            action.GetParameters(), instrInfos.parameters, context);
+        actionCode += GenerateObjectAction(
+            realObjects[i], objInfo, arguments, instrInfos, context);
 
-          // Prepare arguments and generate the whole action code
-          vector<gd::String> arguments = GenerateParametersCodes(
-              action.GetParameters(), instrInfos.parameters, context);
-          actionCode += GenerateObjectAction(realObjects[i],
-                                             objInfo,
-                                             functionCallName,
-                                             arguments,
-                                             instrInfos,
-                                             context,
-                                             optionalAsyncCallbackName);
-
-          context.SetNoCurrentObject();
-        }
+        context.SetNoCurrentObject();
       }
     }
   } else if (instrInfos.IsBehaviorInstruction()) {
@@ -565,11 +537,9 @@ gd::String EventsCodeGenerator::GenerateActionCode(
             GenerateBehaviorAction(realObjects[i],
                                    action.GetParameter(1).GetPlainString(),
                                    autoInfo,
-                                   functionCallName,
                                    arguments,
                                    instrInfos,
-                                   context,
-                                   optionalAsyncCallbackName);
+                                   context);
 
         context.SetNoCurrentObject();
       }
@@ -577,75 +547,12 @@ gd::String EventsCodeGenerator::GenerateActionCode(
   } else {
     vector<gd::String> arguments = GenerateParametersCodes(
         action.GetParameters(), instrInfos.parameters, context);
-    actionCode += GenerateFreeAction(functionCallName,
-                                     arguments,
-                                     instrInfos,
-                                     context,
-                                     optionalAsyncCallbackName);
+    actionCode += GenerateFreeAction(arguments, instrInfos, context);
   }
 
   return actionCode;
 }
 
-const EventsCodeGenerator::CallbackDescriptor
-EventsCodeGenerator::GenerateCallback(
-    const gd::String& callbackID,
-    gd::EventsCodeGenerationContext& parentContext,
-    gd::InstructionsList& actions,
-    gd::EventsList* subEvents) {
-  gd::EventsCodeGenerationContext callbackContext;
-  callbackContext.InheritsAsAsyncCallbackFrom(parentContext);
-  const gd::String callbackFunctionName =
-      GetCodeNamespaceAccessor() + "asyncCallback" + callbackID;
-  const gd::String callbackFunctionArguments =
-      GenerateEventsParameters(callbackContext);
-
-  // Generate actions
-  gd::String actionsCode = GenerateActionsListCode(actions, callbackContext);
-
-  // Generate subevents
-  if (subEvents != nullptr)  // Sub events
-  {
-    actionsCode += "\n{ //Subevents\n";
-    actionsCode += GenerateEventsListCode(*subEvents, callbackContext);
-    actionsCode += "} //End of subevents\n";
-  }
-
-  // Compose the callback function and add outside main
-  const gd::String actionsDeclarationsCode =
-      GenerateObjectsDeclarationCode(callbackContext);
-
-  const gd::String callbackCode = callbackFunctionName + " = function (" +
-                                  GenerateEventsParameters(callbackContext) +
-                                  ") {\n" + actionsDeclarationsCode +
-                                  actionsCode + "}\n";
-
-  AddCustomCodeOutsideMain(callbackCode);
-
-  std::set<gd::String> requiredObjects;
-  // Build the list of all objects required by the callback. Any object that has
-  // already been declared could have gone through previous object picking, so
-  // if such an object is used by the actions or subevents of this callback, we
-  // must ask the caller to pass the already existing objects lists through a
-  // `LongLivedObjectsList` to the callback function.
-  for (const auto& objectUsedInSubTree :
-       callbackContext.GetAllDeclaredObjectsAcrossChildren()) {
-    if (callbackContext.ObjectAlreadyDeclaredByParents(objectUsedInSubTree))
-      requiredObjects.insert(objectUsedInSubTree);
-  };
-
-  return CallbackDescriptor(
-      callbackFunctionName, callbackFunctionArguments, requiredObjects);
-};
-
-const gd::String EventsCodeGenerator::GenerateEventsParameters(
-    const gd::EventsCodeGenerationContext& context) {
-  gd::String parameters = "runtimeScene";
-  if (!HasProjectAndLayout()) parameters += ", eventsFunctionContext";
-  if (context.IsInsideAsync()) parameters += ", asyncObjectsList";
-  return parameters;
-};
-
 /**
  * Generate actions code.
  */
@@ -670,20 +577,8 @@ gd::String EventsCodeGenerator::GenerateActionsListCode(
   return outputCode;
 }
 
-const gd::String EventsCodeGenerator::GenerateRelationalOperatorCodes(const gd::String &operatorString) {
-    if (operatorString == "=") {
-        return "==";
-    }
-    if (operatorString != "<" && operatorString != ">" &&
-        operatorString != "<=" && operatorString != ">=" && operatorString != "!=") {
-      cout << "Warning: Bad relational operator: Set to == by default." << endl;
-      return "==";
-    }
-    return operatorString;
-}
-
 gd::String EventsCodeGenerator::GenerateParameterCodes(
-    const gd::Expression& parameter,
+    const gd::String& parameter,
     const gd::ParameterMetadata& metadata,
     gd::EventsCodeGenerationContext& context,
     const gd::String& lastObjectName,
@@ -691,25 +586,30 @@ gd::String EventsCodeGenerator::GenerateParameterCodes(
         supplementaryParametersTypes) {
   gd::String argOutput;
 
-  if (ParameterMetadata::IsExpression("number", metadata.GetType())) {
+  if (ParameterMetadata::IsExpression("number", metadata.type)) {
     argOutput = gd::ExpressionCodeGenerator::GenerateExpressionCode(
-        *this, context, "number", parameter, lastObjectName);
-  } else if (ParameterMetadata::IsExpression("string", metadata.GetType())) {
+        *this, context, "number", parameter);
+  } else if (ParameterMetadata::IsExpression("string", metadata.type)) {
     argOutput = gd::ExpressionCodeGenerator::GenerateExpressionCode(
-        *this, context, "string", parameter, lastObjectName);
-  } else if (ParameterMetadata::IsExpression("variable", metadata.GetType())) {
+        *this, context, "string", parameter);
+  } else if (ParameterMetadata::IsExpression("variable", metadata.type)) {
     argOutput = gd::ExpressionCodeGenerator::GenerateExpressionCode(
-        *this, context, metadata.GetType(), parameter, lastObjectName);
-  } else if (ParameterMetadata::IsObject(metadata.GetType())) {
+        *this, context, metadata.type, parameter, lastObjectName);
+  } else if (ParameterMetadata::IsObject(metadata.type)) {
     // It would be possible to run a gd::ExpressionCodeGenerator if later
     // objects can have nested objects, or function returning objects.
-    argOutput =
-        GenerateObject(parameter.GetPlainString(), metadata.GetType(), context);
-  } else if (metadata.GetType() == "relationalOperator") {
-    argOutput += GenerateRelationalOperatorCodes(parameter.GetPlainString());
+    argOutput = GenerateObject(parameter, metadata.type, context);
+  } else if (metadata.type == "relationalOperator") {
+    argOutput += parameter == "=" ? "==" : parameter;
+    if (argOutput != "==" && argOutput != "<" && argOutput != ">" &&
+        argOutput != "<=" && argOutput != ">=" && argOutput != "!=") {
+      cout << "Warning: Bad relational operator: Set to == by default." << endl;
+      argOutput = "==";
+    }
+
     argOutput = "\"" + argOutput + "\"";
-  } else if (metadata.GetType() == "operator") {
-    argOutput += parameter.GetPlainString();
+  } else if (metadata.type == "operator") {
+    argOutput += parameter;
     if (argOutput != "=" && argOutput != "+" && argOutput != "-" &&
         argOutput != "/" && argOutput != "*") {
       cout << "Warning: Bad operator: Set to = by default." << endl;
@@ -717,52 +617,47 @@ gd::String EventsCodeGenerator::GenerateParameterCodes(
     }
 
     argOutput = "\"" + argOutput + "\"";
-  } else if (ParameterMetadata::IsBehavior(metadata.GetType())) {
-    argOutput = GenerateGetBehaviorNameCode(parameter.GetPlainString());
-  } else if (metadata.GetType() == "key") {
-    argOutput = "\"" + ConvertToString(parameter.GetPlainString()) + "\"";
-  } else if (metadata.GetType() == "audioResource" ||
-             metadata.GetType() == "bitmapFontResource" ||
-             metadata.GetType() == "fontResource" ||
-             metadata.GetType() == "imageResource" ||
-             metadata.GetType() == "jsonResource" ||
-             metadata.GetType() == "videoResource" ||
-             // Deprecated, old parameter names:
-             metadata.GetType() == "password" || metadata.GetType() == "musicfile" ||
-             metadata.GetType() == "soundfile" || metadata.GetType() == "police") {
-    argOutput = "\"" + ConvertToString(parameter.GetPlainString()) + "\"";
-  } else if (metadata.GetType() == "mouse") {
-    argOutput = "\"" + ConvertToString(parameter.GetPlainString()) + "\"";
-  } else if (metadata.GetType() == "yesorno") {
-    auto parameterString = parameter.GetPlainString();
-    argOutput += (parameterString == "yes" || parameterString == "oui")
-                     ? GenerateTrue()
-                     : GenerateFalse();
-  } else if (metadata.GetType() == "trueorfalse") {
-    auto parameterString = parameter.GetPlainString();
+  } else if (ParameterMetadata::IsBehavior(metadata.type)) {
+    argOutput = GenerateGetBehaviorNameCode(parameter);
+  } else if (metadata.type == "key") {
+    argOutput = "\"" + ConvertToString(parameter) + "\"";
+  } else if (metadata.type == "password" ||  // Deprecated
+             metadata.type ==
+                 "musicfile" ||  // Should be renamed "largeAudioResource"
+             metadata.type ==
+                 "soundfile" ||            // Should be renamed "audioResource"
+             metadata.type == "police" ||  // Should be renamed "fontResource"
+             metadata.type == "bitmapFontResource" ||
+             metadata.type == "imageResource") {
+    argOutput = "\"" + ConvertToString(parameter) + "\"";
+  } else if (metadata.type == "mouse") {
+    argOutput = "\"" + ConvertToString(parameter) + "\"";
+  } else if (metadata.type == "yesorno") {
+    argOutput += (parameter == "yes" || parameter == "oui") ? GenerateTrue()
+                                                            : GenerateFalse();
+  } else if (metadata.type == "trueorfalse") {
     // This is duplicated in AdvancedExtension.cpp for GDJS
-    argOutput += (parameterString == "True" || parameterString == "Vrai")
-                     ? GenerateTrue()
-                     : GenerateFalse();
+    argOutput += (parameter == "True" || parameter == "Vrai") ? GenerateTrue()
+                                                              : GenerateFalse();
   }
   // Code only parameter type
-  else if (metadata.GetType() == "inlineCode") {
-    argOutput += metadata.GetExtraInfo();
+  else if (metadata.type == "inlineCode") {
+    argOutput += metadata.supplementaryInformation;
   } else {
     // Try supplementary types if provided
     if (supplementaryParametersTypes) {
       for (std::size_t i = 0; i < supplementaryParametersTypes->size(); ++i) {
-        if ((*supplementaryParametersTypes)[i].first == metadata.GetType())
+        if ((*supplementaryParametersTypes)[i].first == metadata.type)
           argOutput += (*supplementaryParametersTypes)[i].second;
       }
     }
 
     // Type unknown
     if (argOutput.empty()) {
-      if (!metadata.GetType().empty())
-        cout << "Warning: Unknown type of parameter \"" << metadata.GetType()
+      if (!metadata.type.empty())
+        cout << "Warning: Unknown type of parameter \"" << metadata.type
              << "\"." << std::endl;
-      argOutput += "\"" + ConvertToString(parameter.GetPlainString()) + "\"";
+      argOutput += "\"" + ConvertToString(parameter) + "\"";
     }
   }
 
@@ -782,7 +677,7 @@ vector<gd::String> EventsCodeGenerator::GenerateParametersCodes(
       parametersInfo,
       [this, &context, &supplementaryParametersTypes, &arguments](
           const gd::ParameterMetadata& parameterMetadata,
-          const gd::Expression& parameterValue,
+          const gd::String& parameterValue,
           const gd::String& lastObjectName) {
         gd::String argOutput =
             GenerateParameterCodes(parameterValue,
@@ -834,21 +729,23 @@ gd::String EventsCodeGenerator::GenerateObjectsDeclarationCode(
   gd::String declarationsCode;
   for (auto object : context.GetObjectsListsToBeDeclared()) {
     gd::String objectListDeclaration = "";
-    if (!context.ObjectAlreadyDeclaredByParents(object)) {
+    if (!context.ObjectAlreadyDeclared(object)) {
       objectListDeclaration = "std::vector<RuntimeObject*> " +
                               GetObjectListName(object, context) +
                               " = runtimeContext->GetObjectsRawPointers(\"" +
                               ConvertToString(object) + "\");\n";
+      context.SetObjectDeclared(object);
     } else
       objectListDeclaration = declareObjectList(object, context);
 
     declarationsCode += objectListDeclaration + "\n";
   }
-  for (auto object : context.GetObjectsListsToBeEmptyIfJustDeclared()) {
+  for (auto object : context.GetObjectsListsToBeDeclaredWithoutPicking()) {
     gd::String objectListDeclaration = "";
-    if (!context.ObjectAlreadyDeclaredByParents(object)) {
+    if (!context.ObjectAlreadyDeclared(object)) {
       objectListDeclaration = "std::vector<RuntimeObject*> " +
                               GetObjectListName(object, context) + ";\n";
+      context.SetObjectDeclared(object);
     } else
       objectListDeclaration = declareObjectList(object, context);
 
@@ -856,9 +753,10 @@ gd::String EventsCodeGenerator::GenerateObjectsDeclarationCode(
   }
   for (auto object : context.GetObjectsListsToBeDeclaredEmpty()) {
     gd::String objectListDeclaration = "";
-    if (!context.ObjectAlreadyDeclaredByParents(object)) {
+    if (!context.ObjectAlreadyDeclared(object)) {
       objectListDeclaration = "std::vector<RuntimeObject*> " +
                               GetObjectListName(object, context) + ";\n";
+      context.SetObjectDeclared(object);
     } else
       objectListDeclaration = "std::vector<RuntimeObject*> " +
                               GetObjectListName(object, context) + ";\n";
@@ -873,7 +771,7 @@ gd::String EventsCodeGenerator::GenerateObjectsDeclarationCode(
  * Generate events list code.
  */
 gd::String EventsCodeGenerator::GenerateEventsListCode(
-    gd::EventsList& events, EventsCodeGenerationContext& parentContext) {
+    gd::EventsList& events, const EventsCodeGenerationContext& parentContext) {
   gd::String output;
   for (std::size_t eId = 0; eId < events.size(); ++eId) {
     // Each event has its own context : Objects picked in an event are totally
@@ -889,8 +787,6 @@ gd::String EventsCodeGenerator::GenerateEventsListCode(
     // operation.
     bool reuseParentContext =
         parentContext.CanReuse() && eId == events.size() - 1;
-
-    // TODO: avoid creating if useless.
     gd::EventsCodeGenerationContext reusedContext;
     reusedContext.Reuse(parentContext);
 
@@ -1035,7 +931,7 @@ gd::String EventsCodeGenerator::GenerateFreeCondition(
   for (std::size_t i = 0; i < instrInfos.parameters.size();
        ++i)  // Some conditions already have a "conditionInverted" parameter
   {
-    if (instrInfos.parameters[i].GetType() == "conditionInverted")
+    if (instrInfos.parameters[i].type == "conditionInverted")
       conditionAlreadyTakeCareOfInversion = true;
   }
   if (!conditionAlreadyTakeCareOfInversion && conditionInverted)
@@ -1056,7 +952,7 @@ gd::String EventsCodeGenerator::GenerateObjectCondition(
   // Prepare call
   // Add a static_cast if necessary
   gd::String objectFunctionCallNamePart =
-      (!instrInfos.parameters[0].GetExtraInfo().empty())
+      (!instrInfos.parameters[0].supplementaryInformation.empty())
           ? "static_cast<" + objInfo.className + "*>(" +
                 GetObjectListName(objectName, context) + "[i])->" +
                 instrInfos.codeExtraInformation.functionCallName
@@ -1103,11 +999,9 @@ gd::String EventsCodeGenerator::GenerateBehaviorCondition(
 }
 
 gd::String EventsCodeGenerator::GenerateFreeAction(
-      const gd::String& functionCallName,
     const std::vector<gd::String>& arguments,
     const gd::InstructionMetadata& instrInfos,
-    gd::EventsCodeGenerationContext& context,
-    const gd::String& optionalAsyncCallbackName) {
+    gd::EventsCodeGenerationContext& context) {
   // Generate call
   gd::String call;
   if (instrInfos.codeExtraInformation.type == "number" ||
@@ -1117,39 +1011,32 @@ gd::String EventsCodeGenerator::GenerateFreeAction(
       call = GenerateOperatorCall(
           instrInfos,
           arguments,
-          functionCallName,
+          instrInfos.codeExtraInformation.functionCallName,
           instrInfos.codeExtraInformation.optionalAssociatedInstruction);
     else if (instrInfos.codeExtraInformation.accessType ==
              gd::InstructionMetadata::ExtraInformation::Mutators)
       call =
           GenerateMutatorCall(instrInfos,
                               arguments,
-                              functionCallName);
+                              instrInfos.codeExtraInformation.functionCallName);
     else
       call = GenerateCompoundOperatorCall(
           instrInfos,
           arguments,
-          functionCallName);
+          instrInfos.codeExtraInformation.functionCallName);
   } else {
-    call = functionCallName + "(" +
+    call = instrInfos.codeExtraInformation.functionCallName + "(" +
            GenerateArgumentsList(arguments) + ")";
   }
-
-  if (!optionalAsyncCallbackName.empty())
-    call = "runtimeScene.getAsyncTasksManager().addTask(" + call + ", " +
-           optionalAsyncCallbackName + ")";
-
   return call + ";\n";
 }
 
 gd::String EventsCodeGenerator::GenerateObjectAction(
     const gd::String& objectName,
     const gd::ObjectMetadata& objInfo,
-    const gd::String& functionCallName,
     const std::vector<gd::String>& arguments,
     const gd::InstructionMetadata& instrInfos,
-    gd::EventsCodeGenerationContext& context,
-    const gd::String& optionalAsyncCallbackName) {
+    gd::EventsCodeGenerationContext& context) {
   // Create call
   gd::String call;
   if ((instrInfos.codeExtraInformation.type == "number" ||
@@ -1159,26 +1046,25 @@ gd::String EventsCodeGenerator::GenerateObjectAction(
       call = GenerateOperatorCall(
           instrInfos,
           arguments,
-          functionCallName,
+          instrInfos.codeExtraInformation.functionCallName,
           instrInfos.codeExtraInformation.optionalAssociatedInstruction,
           2);
     else
       call = GenerateCompoundOperatorCall(
-          instrInfos, arguments, functionCallName, 2);
+          instrInfos,
+          arguments,
+          instrInfos.codeExtraInformation.functionCallName,
+          2);
 
     return "For each picked object \"" + objectName + "\", call " + call +
            ".\n";
   } else {
     gd::String argumentsStr = GenerateArgumentsList(arguments, 1);
 
-    call = functionCallName + "(" + argumentsStr + ")";
-
+    call = instrInfos.codeExtraInformation.functionCallName + "(" +
+           argumentsStr + ")";
     return "For each picked object \"" + objectName + "\", call " + call + "(" +
-           argumentsStr + ")" +
-           (optionalAsyncCallbackName.empty()
-                ? ""
-                : (", then call" + optionalAsyncCallbackName)) +
-           ".\n";
+           argumentsStr + ").\n";
   }
 }
 
@@ -1186,11 +1072,9 @@ gd::String EventsCodeGenerator::GenerateBehaviorAction(
     const gd::String& objectName,
     const gd::String& behaviorName,
     const gd::BehaviorMetadata& autoInfo,
-    const gd::String& functionCallName,
     const std::vector<gd::String>& arguments,
     const gd::InstructionMetadata& instrInfos,
-    gd::EventsCodeGenerationContext& context,
-    const gd::String& optionalAsyncCallbackName) {
+    gd::EventsCodeGenerationContext& context) {
   // Create call
   gd::String call;
   if ((instrInfos.codeExtraInformation.type == "number" ||
@@ -1200,29 +1084,24 @@ gd::String EventsCodeGenerator::GenerateBehaviorAction(
       call = GenerateOperatorCall(
           instrInfos,
           arguments,
-          functionCallName,
+          instrInfos.codeExtraInformation.functionCallName,
           instrInfos.codeExtraInformation.optionalAssociatedInstruction,
           2);
     else
       call = GenerateCompoundOperatorCall(
           instrInfos,
           arguments,
-          functionCallName,
+          instrInfos.codeExtraInformation.functionCallName,
           2);
     return "For each picked object \"" + objectName + "\", call " + call +
            " for behavior \"" + behaviorName + "\".\n";
   } else {
     gd::String argumentsStr = GenerateArgumentsList(arguments, 2);
 
-    call = functionCallName + "(" +
+    call = instrInfos.codeExtraInformation.functionCallName + "(" +
            argumentsStr + ")";
-
     return "For each picked object \"" + objectName + "\", call " + call + "(" +
-           argumentsStr + ")" + " for behavior \"" + behaviorName + "\"" +
-           (optionalAsyncCallbackName.empty()
-                ? ""
-                : (", then call" + optionalAsyncCallbackName)) +
-           ".\n";
+           argumentsStr + ")" + " for behavior \"" + behaviorName + "\".\n";
   }
 }
 
@@ -1270,7 +1149,7 @@ gd::String EventsCodeGenerator::GenerateArgumentsList(
   return argumentsStr;
 }
 
-EventsCodeGenerator::EventsCodeGenerator(const gd::Project& project_,
+EventsCodeGenerator::EventsCodeGenerator(gd::Project& project_,
                                          const gd::Layout& layout,
                                          const gd::Platform& platform_)
     : platform(platform_),
@@ -1287,7 +1166,7 @@ EventsCodeGenerator::EventsCodeGenerator(const gd::Project& project_,
 
 EventsCodeGenerator::EventsCodeGenerator(
     const gd::Platform& platform_,
-    const gd::ObjectsContainer& globalObjectsAndGroups_,
+    gd::ObjectsContainer& globalObjectsAndGroups_,
     const gd::ObjectsContainer& objectsAndGroups_)
     : platform(platform_),
       globalObjectsAndGroups(globalObjectsAndGroups_),

Core/GDCore/Events/CodeGeneration/EventsCodeGenerator.h

@@ -48,7 +48,7 @@ class GD_CORE_API EventsCodeGenerator {
    * \brief Construct a code generator for the specified
    * platform/project/layout.
    */
-  EventsCodeGenerator(const gd::Project& project_,
+  EventsCodeGenerator(gd::Project& project_,
                       const gd::Layout& layout,
                       const gd::Platform& platform_);
 
@@ -57,7 +57,7 @@ class GD_CORE_API EventsCodeGenerator {
    * objects/groups and platform
    */
   EventsCodeGenerator(const gd::Platform& platform,
-                      const gd::ObjectsContainer& globalObjectsAndGroups_,
+                      gd::ObjectsContainer& globalObjectsAndGroups_,
                       const gd::ObjectsContainer& objectsAndGroups_);
   virtual ~EventsCodeGenerator(){};
 
@@ -77,7 +77,7 @@ class GD_CORE_API EventsCodeGenerator {
    * \return Code
    */
   virtual gd::String GenerateEventsListCode(
-      gd::EventsList& events, EventsCodeGenerationContext& context);
+      gd::EventsList& events, const EventsCodeGenerationContext& context);
 
   /**
    * \brief Generate code for executing a condition list
@@ -154,54 +154,8 @@ class GD_CORE_API EventsCodeGenerator {
    * \param context Context used for generation
    * \return Code
    */
-  gd::String GenerateActionCode(
-      gd::Instruction& action,
-      EventsCodeGenerationContext& context,
-      const gd::String& optionalAsyncCallbackName = "");
-
-  struct CallbackDescriptor {
-    CallbackDescriptor(const gd::String functionName_,
-                       const gd::String argumentsList_,
-                       const std::set<gd::String> requiredObjects_)
-        : functionName(functionName_),
-          argumentsList(argumentsList_),
-          requiredObjects(requiredObjects_){};
-    /**
-     * The name by which the function can be invoked.
-     */
-    const gd::String functionName;
-    /**
-     * The comma separated list of arguments that the function takes.
-     */
-    const gd::String argumentsList;
-    /**
-     * A set of all objects that need to be backed up to be passed to the
-     * callback code.
-     */
-    const std::set<gd::String> requiredObjects;
-  };
-
-  /**
-   * \brief Generates actions and events as a callback.
-   *
-   * This is used by asynchronous functions to run the code out of the normal
-   * events flow.
-   *
-   * \returns A set with all objects required by the callback code.
-   * The caller must take care of backing them up in a LongLivedObjectsList,
-   * and to pass it to the callback function as the last argument.
-   */
-  virtual const CallbackDescriptor GenerateCallback(
-      const gd::String& callbackFunctionName,
-      gd::EventsCodeGenerationContext& parentContext,
-      gd::InstructionsList& actions,
-      gd::EventsList* subEvents = nullptr);
-
-  /**
-   * \brief Generates the parameters list of an event's generated function.
-   */
-  const gd::String GenerateEventsParameters(
-      const gd::EventsCodeGenerationContext& context);
+  gd::String GenerateActionCode(gd::Instruction& action,
+                                EventsCodeGenerationContext& context);
 
   /**
    * \brief Generate code for declaring objects lists.
@@ -329,7 +283,7 @@ class GD_CORE_API EventsCodeGenerator {
   /**
    * \brief Get the global objects/groups used for code generation.
    */
-  const gd::ObjectsContainer& GetGlobalObjectsAndGroups() const {
+  gd::ObjectsContainer& GetGlobalObjectsAndGroups() const {
     return globalObjectsAndGroups;
   }
 
@@ -350,7 +304,7 @@ class GD_CORE_API EventsCodeGenerator {
    * \brief Get the project the code is being generated for.
    * \warning This is only valid if HasProjectAndLayout() is true.
    */
-  const gd::Project& GetProject() const { return *project; }
+  gd::Project& GetProject() const { return *project; }
 
   /**
    * \brief Get the layout the code is being generated for.
@@ -481,9 +435,6 @@ class GD_CORE_API EventsCodeGenerator {
    */
   size_t GenerateSingleUsageUniqueIdForEventsList();
 
-  virtual const gd::String GenerateRelationalOperatorCodes(
-      const gd::String& operatorString);
-
  protected:
   /**
    * \brief Generate the code for a single parameter.
@@ -511,18 +462,25 @@ class GD_CORE_API EventsCodeGenerator {
    * Other standard parameters type that should be implemented by platforms:
    * - currentScene: Reference to the current runtime scene.
    * - objectList : a map containing lists of objects which are specified by the
-  object name in another parameter.
-   * - objectListOrEmptyIfJustDeclared : Same as `objectList` but do not pick
-  object if they are not already picked.
-   * - objectPtr: Return a reference to the object specified by the object name
-  in another parameter. Example:
+  object name in another parameter. Example:
+   * \code
+      AddExpression("Count", _("Object count"), _("Count the number of picked
+  objects"), _("Objects"), "res/conditions/nbObjet.png")
+      .AddParameter("objectList", _("Object"))
+      .SetFunctionName("getPickedObjectsCount");
+
+   * \endcode
+   * - objectListWithoutPicking : Same as objectList but do not pick object if
+  they are not already picked.
+   * - objectPtr : Return a reference to the object specified by the object name in
+  another parameter. Example:
    * \code
   .AddParameter("object", _("Object"))
   .AddParameter("objectPtr", _("Target object"))
    * \endcode
    */
   virtual gd::String GenerateParameterCodes(
-      const gd::Expression& parameter,
+      const gd::String& parameter,
       const gd::ParameterMetadata& metadata,
       gd::EventsCodeGenerationContext& context,
       const gd::String& lastObjectName,
@@ -705,30 +663,24 @@ class GD_CORE_API EventsCodeGenerator {
       gd::EventsCodeGenerationContext& context);
 
   virtual gd::String GenerateFreeAction(
-      const gd::String& functionCallName,
       const std::vector<gd::String>& arguments,
       const gd::InstructionMetadata& instrInfos,
-      gd::EventsCodeGenerationContext& context,
-      const gd::String& optionalAsyncCallbackName = "");
+      gd::EventsCodeGenerationContext& context);
 
   virtual gd::String GenerateObjectAction(
       const gd::String& objectName,
       const gd::ObjectMetadata& objInfo,
-      const gd::String& functionCallName,
       const std::vector<gd::String>& arguments,
       const gd::InstructionMetadata& instrInfos,
-      gd::EventsCodeGenerationContext& context,
-      const gd::String& optionalAsyncCallbackName = "");
+      gd::EventsCodeGenerationContext& context);
 
   virtual gd::String GenerateBehaviorAction(
       const gd::String& objectName,
       const gd::String& behaviorName,
       const gd::BehaviorMetadata& autoInfo,
-      const gd::String& functionCallName,
       const std::vector<gd::String>& arguments,
       const gd::InstructionMetadata& instrInfos,
-      gd::EventsCodeGenerationContext& context,
-      const gd::String& optionalAsyncCallbackName = "");
+      gd::EventsCodeGenerationContext& context);
 
   gd::String GenerateRelationalOperatorCall(
       const gd::InstructionMetadata& instrInfos,
@@ -778,13 +730,13 @@ class GD_CORE_API EventsCodeGenerator {
 
   const gd::Platform& platform;  ///< The platform being used.
 
-  const gd::ObjectsContainer& globalObjectsAndGroups;
+  gd::ObjectsContainer& globalObjectsAndGroups;
   const gd::ObjectsContainer& objectsAndGroups;
 
   bool hasProjectAndLayout;  ///< true only if project and layout are valid
                              ///< references. If false, they should not be used.
-  const gd::Project* project;  ///< The project being used.
-  const gd::Layout* scene;     ///< The scene being generated.
+  gd::Project* project;      ///< The project being used.
+  const gd::Layout* scene;   ///< The scene being generated.
 
   bool errorOccurred;          ///< Must be set to true if an error occured.
   bool compilationForRuntime;  ///< Is set to true if the code generation is

Core/GDCore/Events/CodeGeneration/ExpressionCodeGenerator.cpp

@@ -25,38 +25,36 @@
 #include "GDCore/IDE/Events/ExpressionValidator.h"
 #include "GDCore/Project/Layout.h"
 #include "GDCore/Project/Project.h"
-#include "GDCore/IDE/Events/ExpressionTypeFinder.h"
-#include "GDCore/IDE/Events/ExpressionVariableOwnerFinder.h"
 
 namespace gd {
 
 gd::String ExpressionCodeGenerator::GenerateExpressionCode(
     EventsCodeGenerator& codeGenerator,
     EventsCodeGenerationContext& context,
-    const gd::String& rootType,
-    const gd::Expression& expression,
-    const gd::String& rootObjectName) {
-  ExpressionCodeGenerator generator(rootType, rootObjectName, codeGenerator, context);
+    const gd::String& type,
+    const gd::String& expression,
+    const gd::String& objectName) {
+  gd::ExpressionParser2 parser(codeGenerator.GetPlatform(),
+                               codeGenerator.GetGlobalObjectsAndGroups(),
+                               codeGenerator.GetObjectsAndGroups());
+  ExpressionCodeGenerator generator(codeGenerator, context);
 
-  auto node = expression.GetRootNode();
+  auto node = parser.ParseExpression(type, expression, objectName);
   if (!node) {
-    std::cout << "Error: error while parsing: \"" << expression.GetPlainString()
-              << "\" (" << rootType << ")" << std::endl;
+    std::cout << "Error: error while parsing: \"" << expression << "\" ("
+              << type << ")" << std::endl;
 
-    return generator.GenerateDefaultValue(rootType);
+    return generator.GenerateDefaultValue(type);
   }
 
-  gd::ExpressionValidator validator(codeGenerator.GetPlatform(),
-                                    codeGenerator.GetGlobalObjectsAndGroups(),
-                                    codeGenerator.GetObjectsAndGroups(),
-                                    rootType);
+  gd::ExpressionValidator validator;
   node->Visit(validator);
   if (!validator.GetErrors().empty()) {
     std::cout << "Error: \"" << validator.GetErrors()[0]->GetMessage()
-              << "\" in: \"" << expression.GetPlainString() << "\" ("
-              << rootType << ")" << std::endl;
+              << "\" in: \"" << expression << "\" (" << type << ")"
+              << std::endl;
 
-    return generator.GenerateDefaultValue(rootType);
+    return generator.GenerateDefaultValue(type);
   }
 
   node->Visit(generator);
@@ -99,24 +97,15 @@ void ExpressionCodeGenerator::OnVisitTextNode(TextNode& node) {
 void ExpressionCodeGenerator::OnVisitVariableNode(VariableNode& node) {
   // This "translation" from the type to an enum could be avoided
   // if all types were moved to an enum.
-  auto type = gd::ExpressionTypeFinder::GetType(codeGenerator.GetPlatform(),
-                                            codeGenerator.GetGlobalObjectsAndGroups(),
-                                            codeGenerator.GetObjectsAndGroups(),
-                                            rootType,
-                                            node);
   EventsCodeGenerator::VariableScope scope =
-      type == "globalvar"
+      node.type == "globalvar"
           ? gd::EventsCodeGenerator::PROJECT_VARIABLE
-          : ((type == "scenevar")
+          : ((node.type == "scenevar")
                  ? gd::EventsCodeGenerator::LAYOUT_VARIABLE
                  : gd::EventsCodeGenerator::OBJECT_VARIABLE);
-  auto objectName = gd::ExpressionVariableOwnerFinder::GetObjectName(codeGenerator.GetPlatform(),
-                                        codeGenerator.GetGlobalObjectsAndGroups(),
-                                        codeGenerator.GetObjectsAndGroups(),
-                                        rootObjectName,
-                                        node);
+
   output += codeGenerator.GenerateGetVariable(
-      node.name, scope, context, objectName);
+      node.name, scope, context, node.objectName);
   if (node.child) node.child->Visit(*this);
 }
 
@@ -128,7 +117,7 @@ void ExpressionCodeGenerator::OnVisitVariableAccessorNode(
 
 void ExpressionCodeGenerator::OnVisitVariableBracketAccessorNode(
     VariableBracketAccessorNode& node) {
-  ExpressionCodeGenerator generator("string", "", codeGenerator, context);
+  ExpressionCodeGenerator generator(codeGenerator, context);
   node.expression->Visit(generator);
   output +=
       codeGenerator.GenerateVariableBracketAccessor(generator.GetOutput());
@@ -136,79 +125,39 @@ void ExpressionCodeGenerator::OnVisitVariableBracketAccessorNode(
 }
 
 void ExpressionCodeGenerator::OnVisitIdentifierNode(IdentifierNode& node) {
-  auto type = gd::ExpressionTypeFinder::GetType(codeGenerator.GetPlatform(),
-                                            codeGenerator.GetGlobalObjectsAndGroups(),
-                                            codeGenerator.GetObjectsAndGroups(),
-                                            rootType,
-                                            node);
-  if (gd::ParameterMetadata::IsObject(type)) {
+  if (gd::ParameterMetadata::IsObject(node.type)) {
     output +=
-        codeGenerator.GenerateObject(node.identifierName, type, context);
-  } else if (gd::ParameterMetadata::IsExpression("variable", type)) {
-      EventsCodeGenerator::VariableScope scope =
-          type == "globalvar"
-              ? gd::EventsCodeGenerator::PROJECT_VARIABLE
-              : ((type == "scenevar")
-                    ? gd::EventsCodeGenerator::LAYOUT_VARIABLE
-                    : gd::EventsCodeGenerator::OBJECT_VARIABLE);
-
-      auto objectName = gd::ExpressionVariableOwnerFinder::GetObjectName(codeGenerator.GetPlatform(),
-                                            codeGenerator.GetGlobalObjectsAndGroups(),
-                                            codeGenerator.GetObjectsAndGroups(),
-                                            rootObjectName,
-                                            node);
-      output += codeGenerator.GenerateGetVariable(
-          node.identifierName, scope, context, objectName);
-      if (!node.childIdentifierName.empty()) {
-        output += codeGenerator.GenerateVariableAccessor(node.childIdentifierName);
-      }
-  } else if (node.childIdentifierName.empty()) {
+        codeGenerator.GenerateObject(node.identifierName, node.type, context);
+  } else {
     output += "/* Error during generation, unrecognized identifier type: " +
-              codeGenerator.ConvertToString(type) + " with value " +
+              codeGenerator.ConvertToString(node.type) + " with value " +
               codeGenerator.ConvertToString(node.identifierName) + " */ " +
               codeGenerator.ConvertToStringExplicit(node.identifierName);
   }
-  else {
-    // This is for function names that are put in IdentifierNode
-    // because the type is needed to tell them appart from variables.
-    output += GenerateDefaultValue(type);
-  }
 }
 
 void ExpressionCodeGenerator::OnVisitFunctionCallNode(FunctionCallNode& node) {
-  auto type = gd::ExpressionTypeFinder::GetType(codeGenerator.GetPlatform(),
-                                            codeGenerator.GetGlobalObjectsAndGroups(),
-                                            codeGenerator.GetObjectsAndGroups(),
-                                            rootType,
-                                            node);
-
-  const gd::ExpressionMetadata &metadata = MetadataProvider::GetFunctionCallMetadata(
-      codeGenerator.GetPlatform(),
-      codeGenerator.GetGlobalObjectsAndGroups(),
-      codeGenerator.GetObjectsAndGroups(),
-      node);
-
-  if (gd::MetadataProvider::IsBadExpressionMetadata(metadata)) {
+  if (gd::MetadataProvider::IsBadExpressionMetadata(node.expressionMetadata)) {
     output += "/* Error during generation, function not found: " +
               codeGenerator.ConvertToString(node.functionName) + " */ " +
-              GenerateDefaultValue(type);
+              GenerateDefaultValue(node.type);
     return;
   }
 
   if (!node.objectName.empty()) {
     if (!node.behaviorName.empty()) {
-      output += GenerateBehaviorFunctionCode(type,
+      output += GenerateBehaviorFunctionCode(node.type,
                                              node.objectName,
                                              node.behaviorName,
                                              node.parameters,
-                                             metadata);
+                                             node.expressionMetadata);
     } else {
       output += GenerateObjectFunctionCode(
-          type, node.objectName, node.parameters, metadata);
+          node.type, node.objectName, node.parameters, node.expressionMetadata);
     }
   } else {
     output +=
-        GenerateFreeFunctionCode(node.parameters, metadata);
+        GenerateFreeFunctionCode(node.parameters, node.expressionMetadata);
   }
 }
 
@@ -270,20 +219,14 @@ gd::String ExpressionCodeGenerator::GenerateObjectFunctionCode(
     const ObjectMetadata& objInfo = MetadataProvider::GetObjectMetadata(
         codeGenerator.GetPlatform(), objectType);
 
-    if (objInfo.IsUnsupportedBaseObjectCapability(
-            expressionMetadata.GetRequiredBaseObjectCapability())) {
-      // Do nothing, skipping objects not supporting the capability required by
-      // this expression.
-    } else {
-      codeGenerator.AddIncludeFiles(objInfo.includeFiles);
-      functionOutput = codeGenerator.GenerateObjectFunctionCall(
-          realObjects[i],
-          objInfo,
-          expressionMetadata.codeExtraInformation,
-          parametersCode,
-          functionOutput,
-          context);
-    }
+    codeGenerator.AddIncludeFiles(objInfo.includeFiles);
+    functionOutput = codeGenerator.GenerateObjectFunctionCall(
+        realObjects[i],
+        objInfo,
+        expressionMetadata.codeExtraInformation,
+        parametersCode,
+        functionOutput,
+        context);
   }
 
   return functionOutput;
@@ -356,21 +299,18 @@ gd::String ExpressionCodeGenerator::GenerateParametersCodes(
 
     auto& parameterMetadata = expressionMetadata.parameters[i];
     if (!parameterMetadata.IsCodeOnly()) {
+      ExpressionCodeGenerator generator(codeGenerator, context);
       if (nonCodeOnlyParameterIndex < parameters.size()) {
-        auto objectName = gd::ExpressionVariableOwnerFinder::GetObjectName(codeGenerator.GetPlatform(),
-                                              codeGenerator.GetGlobalObjectsAndGroups(),
-                                              codeGenerator.GetObjectsAndGroups(),
-                                              rootObjectName,
-                                              *parameters[nonCodeOnlyParameterIndex].get());
-        ExpressionCodeGenerator generator(parameterMetadata.GetType(), objectName, codeGenerator, context);
         parameters[nonCodeOnlyParameterIndex]->Visit(generator);
         parametersCode += generator.GetOutput();
       } else if (parameterMetadata.IsOptional()) {
-        ExpressionCodeGenerator generator(parameterMetadata.GetType(), "", codeGenerator, context);
         // Optional parameters default value were not parsed at the time of the
         // expression parsing. Parse them now.
-        ExpressionParser2 parser;
-        auto node = parser.ParseExpression(parameterMetadata.GetDefaultValue());
+        ExpressionParser2 parser(codeGenerator.GetPlatform(),
+                                 codeGenerator.GetGlobalObjectsAndGroups(),
+                                 codeGenerator.GetObjectsAndGroups());
+        auto node = parser.ParseExpression(parameterMetadata.GetType(),
+                                           parameterMetadata.GetDefaultValue());
 
         node->Visit(generator);
         parametersCode += generator.GetOutput();
@@ -428,22 +368,12 @@ gd::String ExpressionCodeGenerator::GenerateDefaultValue(
 }
 
 void ExpressionCodeGenerator::OnVisitEmptyNode(EmptyNode& node) {
-  auto type = gd::ExpressionTypeFinder::GetType(codeGenerator.GetPlatform(),
-                                            codeGenerator.GetGlobalObjectsAndGroups(),
-                                            codeGenerator.GetObjectsAndGroups(),
-                                            rootType,
-                                            node);
-  output += GenerateDefaultValue(type);
+  output += GenerateDefaultValue(node.type);
 }
 
 void ExpressionCodeGenerator::OnVisitObjectFunctionNameNode(
     ObjectFunctionNameNode& node) {
-  auto type = gd::ExpressionTypeFinder::GetType(codeGenerator.GetPlatform(),
-                                            codeGenerator.GetGlobalObjectsAndGroups(),
-                                            codeGenerator.GetObjectsAndGroups(),
-                                            rootType,
-                                            node);
-  output += GenerateDefaultValue(type);
+  output += GenerateDefaultValue(node.type);
 }
 
 }  // namespace gd

Core/GDCore/Events/CodeGeneration/ExpressionCodeGenerator.h

@@ -9,6 +9,7 @@
 
 #include <memory>
 #include <vector>
+#include "GDCore/Events/Parsers/ExpressionParser2.h"
 #include "GDCore/Events/Parsers/ExpressionParser2Node.h"
 #include "GDCore/Events/Parsers/ExpressionParser2NodeWorker.h"
 #include "GDCore/String.h"
@@ -34,11 +35,9 @@ namespace gd {
  */
 class GD_CORE_API ExpressionCodeGenerator : public ExpressionParser2NodeWorker {
  public:
-  ExpressionCodeGenerator(const gd::String &rootType_,
-                          const gd::String &rootObjectName_,
-                          EventsCodeGenerator& codeGenerator_,
+  ExpressionCodeGenerator(EventsCodeGenerator& codeGenerator_,
                           EventsCodeGenerationContext& context_)
-      : rootType(rootType_), rootObjectName(rootObjectName_), codeGenerator(codeGenerator_), context(context_){};
+      : codeGenerator(codeGenerator_), context(context_){};
   virtual ~ExpressionCodeGenerator(){};
 
   /**
@@ -58,7 +57,7 @@ class GD_CORE_API ExpressionCodeGenerator : public ExpressionParser2NodeWorker {
   static gd::String GenerateExpressionCode(EventsCodeGenerator& codeGenerator,
                                            EventsCodeGenerationContext& context,
                                            const gd::String& type,
-                                           const gd::Expression& expression,
+                                           const gd::String& expression,
                                            const gd::String& objectName = "");
 
   const gd::String& GetOutput() { return output; };
@@ -104,8 +103,6 @@ class GD_CORE_API ExpressionCodeGenerator : public ExpressionParser2NodeWorker {
   gd::String output;
   EventsCodeGenerator& codeGenerator;
   EventsCodeGenerationContext& context;
-  const gd::String rootType;
-  const gd::String rootObjectName;
 };
 
 }  // namespace gd

Core/GDCore/Events/Event.cpp

@@ -5,11 +5,8 @@
  */
 
 #include "GDCore/Events/Event.h"
-
-#include "GDCore/Events/Builtin/AsyncEvent.h"
 #include "GDCore/Events/CodeGeneration/EventsCodeGenerator.h"
 #include "GDCore/Events/EventsList.h"
-#include "GDCore/Extensions/Metadata/MetadataProvider.h"
 #include "GDCore/Extensions/Platform.h"
 #include "GDCore/Extensions/PlatformExtension.h"
 
@@ -68,41 +65,10 @@ gd::String BaseEvent::GenerateEventCode(
   return "";
 }
 
-void BaseEvent::PreprocessAsyncActions(const gd::Platform& platform) {
-  if (!CanHaveSubEvents()) return;
-  for (const auto& actionsList : GetAllActionsVectors())
-    for (std::size_t aId = 0; aId < actionsList->size(); ++aId) {
-      const auto& action = actionsList->at(aId);
-      const gd::InstructionMetadata& actionMetadata =
-          gd::MetadataProvider::GetActionMetadata(platform, action.GetType());
-      if (actionMetadata.IsAsync() &&
-          (!actionMetadata.IsOptionallyAsync() || action.IsAwaited())) {
-        gd::InstructionsList remainingActions;
-        remainingActions.InsertInstructions(
-            *actionsList, aId + 1, actionsList->size() - 1);
-        gd::AsyncEvent asyncEvent(action, remainingActions, GetSubEvents());
-
-        // Ensure that the local event no longer has any of the actions/subevent
-        // after the async function
-        actionsList->RemoveAfter(aId);
-        GetSubEvents().Clear();
-
-        GetSubEvents().InsertEvent(asyncEvent);
-
-        // We just moved all the rest, there's nothing left to do in this event.
-        return;
-      }
-    }
-};
-
 void BaseEvent::Preprocess(gd::EventsCodeGenerator& codeGenerator,
                            gd::EventsList& eventList,
                            std::size_t indexOfTheEventInThisList) {
-  if (IsDisabled()) return;
-
-  PreprocessAsyncActions(codeGenerator.GetPlatform());
-
-  if (!MustBePreprocessed()) return;
+  if (IsDisabled() || !MustBePreprocessed()) return;
 
   try {
     if (type.empty()) return;

Core/GDCore/Events/Event.h

@@ -10,7 +10,6 @@
 #include <iostream>
 #include <memory>
 #include <vector>
-
 #include "GDCore/Events/Instruction.h"
 #include "GDCore/Events/InstructionsList.h"
 #include "GDCore/Extensions/Metadata/InstructionMetadata.h"
@@ -24,7 +23,7 @@ class EventsCodeGenerationContext;
 class Platform;
 class SerializerElement;
 class Instruction;
-}  // namespace gd
+}
 
 namespace gd {
 
@@ -127,25 +126,18 @@ class GD_CORE_API BaseEvent {
     return noSearchableStrings;
   };
 
-  virtual bool ReplaceAllSearchableStrings(
-      std::vector<gd::String> newSearchableString) {
-    return false;
-  };
-
   /**
    * \brief Return a list of all expressions of the event, each with their associated metadata.
    * \note Used to preprocess or search in the expressions of the event.
    */
   virtual std::vector<std::pair<gd::Expression*, gd::ParameterMetadata> >
-  GetAllExpressionsWithMetadata() {
+      GetAllExpressionsWithMetadata() {
     std::vector<std::pair<gd::Expression*, gd::ParameterMetadata> > noExpr;
     return noExpr;
   };
-  virtual std::vector<
-      std::pair<const gd::Expression*, const gd::ParameterMetadata> >
-  GetAllExpressionsWithMetadata() const {
-    std::vector<std::pair<const gd::Expression*, const gd::ParameterMetadata> >
-        noExpr;
+  virtual std::vector<std::pair<const gd::Expression*, const gd::ParameterMetadata> >
+      GetAllExpressionsWithMetadata() const {
+    std::vector<std::pair<const gd::Expression*, const gd::ParameterMetadata> > noExpr;
     return noExpr;
   };
 
@@ -209,11 +201,6 @@ class GD_CORE_API BaseEvent {
                           gd::EventsList& eventList,
                           std::size_t indexOfTheEventInThisList);
 
-  /**
-   * A function that turns all async member actions into an Async subevent for code generation.
-   */
-  void PreprocessAsyncActions(const gd::Platform& platform);
-
   /**
    * \brief If MustBePreprocessed is redefined to return true, the
    * gd::EventMetadata::preprocessing associated to the event will be called to

Core/GDCore/Events/Expression.cpp

@@ -1,41 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-
-#include "GDCore/Events/Expression.h"
-
-#include "GDCore/Events/Parsers/ExpressionParser2.h"
-#include "GDCore/String.h"
-
-namespace gd {
-
-Expression::Expression() : node(nullptr) {};
-
-Expression::Expression(gd::String plainString_)
-    : node(nullptr), plainString(plainString_) {};
-
-Expression::Expression(const char* plainString_)
-    : node(nullptr), plainString(plainString_) {};
-
-Expression::Expression(const Expression& copy)
-    : node(nullptr), plainString{copy.plainString} {};
-
-Expression& Expression::operator=(const Expression& expression) {
-  plainString = expression.plainString;
-  node = nullptr;
-  return *this;
-};
-
-Expression::~Expression(){};
-
-ExpressionNode* Expression::GetRootNode() const {
-  if (!node) {
-    gd::ExpressionParser2 parser = ExpressionParser2();
-    node = std::move(parser.ParseExpression(plainString));
-  }
-  return node.get();
-}
-
-}  // namespace gd

Core/GDCore/Events/Expression.h

@@ -6,15 +6,7 @@
 
 #ifndef GDCORE_EXPRESSION_H
 #define GDCORE_EXPRESSION_H
-
 #include "GDCore/String.h"
-#include <memory>
-
-namespace gd {
-class ExpressionParser2;
-class ObjectsContainer;
-struct ExpressionNode;
-}  // namespace gd
 
 namespace gd {
 
@@ -32,49 +24,32 @@ class GD_CORE_API Expression {
   /**
    * \brief Construct an empty expression
    */
-  Expression();
+  Expression(){};
 
   /**
    * \brief Construct an expression from a string
    */
-  Expression(gd::String plainString_);
+  Expression(gd::String plainString_) : plainString(plainString_){};
 
   /**
    * \brief Construct an expression from a const char *
    */
-  Expression(const char* plainString_);
-
-  /**
-   * \brief Copy construct an expression.
-   */
-  Expression(const Expression& copy);
-
-  /**
-   * \brief Expression affectation overriding.
-   */
-  Expression& operator=(const Expression& expression);
+  Expression(const char* plainString_) : plainString(plainString_){};
 
   /**
    * \brief Get the plain string representing the expression
    */
   inline const gd::String& GetPlainString() const { return plainString; };
 
-  /**
-   * @brief Get the expression node.
-   * @return std::unique_ptr<gd::ExpressionNode>
-   */
-  gd::ExpressionNode* GetRootNode() const;
-
   /**
    * \brief Mimics std::string::c_str
    */
   inline const char* c_str() const { return plainString.c_str(); };
 
-  virtual ~Expression();
+  virtual ~Expression(){};
 
  private:
   gd::String plainString;  ///< The expression string
-  mutable std::unique_ptr<gd::ExpressionNode> node;
 };
 
 }  // namespace gd

Core/GDCore/Events/Instruction.h

@@ -72,22 +72,6 @@ class GD_CORE_API Instruction {
    */
   void SetInverted(bool inverted_) { inverted = inverted_; }
 
-  /**
-   * \brief Return true if the async instruction should be awaited.
-   * This is not relevant if the instruction is not optionally asynchronous.
-   *
-   * \return true if the instruction is to be awaited
-   */
-  bool IsAwaited() const { return awaitAsync; }
-
-  /**
-   * \brief Set if the async instruction is to be awaited or not.
-   * This is not relevant if the instruction is not optionally asynchronous.
-   *
-   * \param inverted true if the instruction must be awaited
-   */
-  void SetAwaited(bool awaited) { awaitAsync = awaited; }
-
   /**
    * \brief Return the number of parameters of the instruction.
    */
@@ -155,9 +139,7 @@ class GD_CORE_API Instruction {
    * Useful to get reference to the original instruction in memory during code
    * generation, to ensure stable unique identifiers.
    */
-  std::weak_ptr<Instruction> GetOriginalInstruction() {
-    return originalInstruction;
-  };
+  std::weak_ptr<Instruction> GetOriginalInstruction() { return originalInstruction; };
 
   friend std::shared_ptr<Instruction> CloneRememberingOriginalElement(
       std::shared_ptr<Instruction> instruction);
@@ -166,9 +148,6 @@ class GD_CORE_API Instruction {
   gd::String type;  ///< Instruction type
   bool inverted;  ///< True if the instruction if inverted. Only applicable for
                   ///< instruction used as conditions by events
-  bool awaitAsync =
-      false;  ///< Tells the code generator whether the optionally asynchronous
-              ///< instruction should be generated as asynchronous (awaited) or not.
   mutable std::vector<gd::Expression>
       parameters;                        ///< Vector containing the parameters
   gd::InstructionsList subInstructions;  ///< Sub instructions, if applicable.

Core/GDCore/Events/InstructionsList.cpp

@@ -5,7 +5,6 @@
  */
 
 #include "InstructionsList.h"
-
 #include "GDCore/Events/Instruction.h"
 #include "GDCore/Project/Project.h"
 #include "Serialization.h"
@@ -32,10 +31,6 @@ void InstructionsList::InsertInstructions(const InstructionsList& list,
   }
 }
 
-void InstructionsList::RemoveAfter(const size_t position) {
-  elements.resize(position);
-}
-
 void InstructionsList::SerializeTo(SerializerElement& element) const {
   EventsListSerialization::SerializeInstructionsTo(*this, element);
 }

Core/GDCore/Events/InstructionsList.h

@@ -6,10 +6,9 @@
 
 #ifndef GDCORE_INSTRUCTIONSLIST_H
 #define GDCORE_INSTRUCTIONSLIST_H
-#include "GDCore/Tools/SPtrList.h"
 #include <memory>
 #include <vector>
-
+#include "GDCore/Tools/SPtrList.h"
 namespace gd {
 class Instruction;
 }
@@ -23,11 +22,11 @@ class SerializerElement;
 namespace gd {
 
 class InstructionsList : public SPtrList<gd::Instruction> {
-public:
-  void InsertInstructions(const InstructionsList &list, size_t begin,
-                          size_t end, size_t position = (size_t)-1);
-
-  void RemoveAfter(size_t position);
+ public:
+  void InsertInstructions(const InstructionsList& list,
+                          size_t begin,
+                          size_t end,
+                          size_t position = (size_t)-1);
 
   /** \name Serialization
    */
@@ -36,17 +35,17 @@ public:
    * \brief Serialize the instructions to the specified element
    * \see EventsListSerialization
    */
-  void SerializeTo(gd::SerializerElement &element) const;
+  void SerializeTo(gd::SerializerElement& element) const;
 
   /**
    * \brief Load the instructions from the specified element
    * \see EventsListSerialization
    */
-  void UnserializeFrom(gd::Project &project,
-                       const gd::SerializerElement &element);
+  void UnserializeFrom(gd::Project& project,
+                       const gd::SerializerElement& element);
   ///@}
 };
 
-} // namespace gd
+}  // namespace gd
 
 #endif

Core/GDCore/Events/Parsers/ExpressionParser2.cpp

@@ -26,16 +26,132 @@ namespace gd {
 
 gd::String ExpressionParser2::NAMESPACE_SEPARATOR = "::";
 
-ExpressionParser2::ExpressionParser2()
+ExpressionParser2::ExpressionParser2(
+    const gd::Platform& platform_,
+    const gd::ObjectsContainer& globalObjectsContainer_,
+    const gd::ObjectsContainer& objectsContainer_)
     : expression(""),
-      currentPosition(0) {}
+      currentPosition(0),
+      platform(platform_),
+      globalObjectsContainer(globalObjectsContainer_),
+      objectsContainer(objectsContainer_) {}
+
+namespace {
+/**
+ * Return the minimum number of parameters, starting from a given parameter
+ * (by convention, 1 for object functions and 2 for behavior functions).
+ */
+size_t GetMinimumParametersNumber(
+    const std::vector<gd::ParameterMetadata>& parameters,
+    size_t initialParameterIndex) {
+  size_t nb = 0;
+  for (std::size_t i = initialParameterIndex; i < parameters.size(); ++i) {
+    if (!parameters[i].optional && !parameters[i].codeOnly) nb++;
+  }
+
+  return nb;
+}
+
+/**
+ * Return the maximum number of parameters, starting from a given parameter
+ * (by convention, 1 for object functions and 2 for behavior functions).
+ */
+size_t GetMaximumParametersNumber(
+    const std::vector<gd::ParameterMetadata>& parameters,
+    size_t initialParameterIndex) {
+  size_t nb = 0;
+  for (std::size_t i = initialParameterIndex; i < parameters.size(); ++i) {
+    if (!parameters[i].codeOnly) nb++;
+  }
+
+  return nb;
+}
+}  // namespace
+
+std::unique_ptr<ExpressionParserDiagnostic> ExpressionParser2::ValidateFunction(
+    const gd::String& type,
+    const gd::FunctionCallNode& function,
+    size_t functionStartPosition) {
+  if (gd::MetadataProvider::IsBadExpressionMetadata(
+          function.expressionMetadata)) {
+    return gd::make_unique<ExpressionParserError>(
+        "invalid_function_name",
+        _("Cannot find an expression with this name: ") +
+            function.functionName + "\n" +
+            _("Double check that you've not made any typo in the name."),
+        functionStartPosition,
+        GetCurrentPosition());
+  }
+
+  // Validate the type of the function
+  const gd::String& returnType = function.expressionMetadata.GetReturnType();
+  if (returnType == "number") {
+    if (type == "string")
+      return RaiseTypeError(
+          _("You tried to use an expression that returns a number, but a "
+            "string is expected. Use `ToString` if you need to convert a "
+            "number to a string."),
+          functionStartPosition);
+    else if (type != "number" && type != "number|string")
+      return RaiseTypeError(_("You tried to use an expression that returns a "
+                              "number, but another type is expected:") +
+                              " " + type,
+                            functionStartPosition);
+  } else if (returnType == "string") {
+    if (type == "number")
+      return RaiseTypeError(
+          _("You tried to use an expression that returns a string, but a "
+            "number is expected. Use `ToNumber` if you need to convert a "
+            "string to a number."),
+          functionStartPosition);
+    else if (type != "string" && type != "number|string")
+      return RaiseTypeError(_("You tried to use an expression that returns a "
+                              "string, but another type is expected:") +
+                              " " + type,
+                            functionStartPosition);
+  } else {
+    if (type != returnType)
+      return RaiseTypeError(
+          _("You tried to use an expression with the wrong return type:") + " " +
+            returnType,
+          functionStartPosition);
+  }
+
+  // Validate parameters count
+  size_t minParametersCount = GetMinimumParametersNumber(
+      function.expressionMetadata.parameters,
+      WrittenParametersFirstIndex(function.objectName, function.behaviorName));
+  size_t maxParametersCount = GetMaximumParametersNumber(
+      function.expressionMetadata.parameters,
+      WrittenParametersFirstIndex(function.objectName, function.behaviorName));
+  if (function.parameters.size() < minParametersCount ||
+      function.parameters.size() > maxParametersCount) {
+    gd::String expectedCountMessage =
+        minParametersCount == maxParametersCount
+            ? _("The number of parameters must be exactly ") +
+                  gd::String::From(minParametersCount)
+            : _("The number of parameters must be: ") +
+                  gd::String::From(minParametersCount) + "-" +
+                  gd::String::From(maxParametersCount);
+
+    if (function.parameters.size() < minParametersCount) {
+      return gd::make_unique<ExpressionParserError>(
+          "too_few_parameters",
+          "You have not entered enough parameters for the expression. " +
+              expectedCountMessage,
+          functionStartPosition,
+          GetCurrentPosition());
+    }
+  }
+
+  return gd::make_unique<ExpressionParserDiagnostic>();
+}
 
 std::unique_ptr<TextNode> ExpressionParser2::ReadText() {
   size_t textStartPosition = GetCurrentPosition();
   SkipAllWhitespaces();
   if (!CheckIfChar(IsQuote)) {
     auto text = gd::make_unique<TextNode>("");
-	  // It can't happen.
     text->diagnostic =
         RaiseSyntaxError(_("A text must start with a double quote (\")."));
     text->location =

Core/GDCore/Events/Parsers/ExpressionParser2.h

@@ -13,7 +13,6 @@
 #include "ExpressionParser2Node.h"
 #include "GDCore/Extensions/Metadata/ExpressionMetadata.h"
 #include "GDCore/Extensions/Metadata/MetadataProvider.h"
-#include "GDCore/Extensions/Metadata/ObjectMetadata.h"
 #include "GDCore/Project/Layout.h"  // For GetTypeOfObject and GetTypeOfBehavior
 #include "GDCore/String.h"
 #include "GDCore/Tools/Localization.h"
@@ -40,7 +39,9 @@ namespace gd {
  */
 class GD_CORE_API ExpressionParser2 {
  public:
-  ExpressionParser2();
+  ExpressionParser2(const gd::Platform &platform_,
+                    const gd::ObjectsContainer &globalObjectsContainer_,
+                    const gd::ObjectsContainer &objectsContainer_);
   virtual ~ExpressionParser2(){};
 
   /**
@@ -56,11 +57,13 @@ class GD_CORE_API ExpressionParser2 {
    * \return The node representing the expression as a parsed tree.
    */
   std::unique_ptr<ExpressionNode> ParseExpression(
-      const gd::String &expression_) {
+      const gd::String &type,
+      const gd::String &expression_,
+      const gd::String &objectName = "") {
     expression = expression_;
 
     currentPosition = 0;
-    return Start();
+    return Start(type, objectName);
   }
 
   /**
@@ -84,16 +87,18 @@ class GD_CORE_API ExpressionParser2 {
    * Each method is a part of the grammar.
    */
   ///@{
-  std::unique_ptr<ExpressionNode> Start() {
+  std::unique_ptr<ExpressionNode> Start(const gd::String &type,
+                                        const gd::String &objectName = "") {
     size_t expressionStartPosition = GetCurrentPosition();
-    auto expression = Expression();
+    auto expression = Expression(type, objectName);
+
+    const gd::String &inferredType = expression->type;
 
     // Check for extra characters at the end of the expression
     if (!IsEndReached()) {
-      auto op = gd::make_unique<OperatorNode>(' ');
+      auto op = gd::make_unique<OperatorNode>(inferredType, ' ');
       op->leftHandSide = std::move(expression);
-      op->rightHandSide = ReadUntilEnd();
-      op->rightHandSide->parent = op.get();
+      op->rightHandSide = ReadUntilEnd("unknown");
 
       op->rightHandSide->diagnostic = RaiseSyntaxError(
           _("The expression has extra character at the end that should be "
@@ -107,49 +112,61 @@ class GD_CORE_API ExpressionParser2 {
     return expression;
   }
 
-  std::unique_ptr<ExpressionNode> Expression() {
+  std::unique_ptr<ExpressionNode> Expression(
+      const gd::String &type, const gd::String &objectName = "") {
     SkipAllWhitespaces();
 
     size_t expressionStartPosition = GetCurrentPosition();
-    std::unique_ptr<ExpressionNode> leftHandSide = Term();
+    std::unique_ptr<ExpressionNode> leftHandSide = Term(type, objectName);
+
+    const gd::String &inferredType = leftHandSide->type;
 
     SkipAllWhitespaces();
 
     if (IsEndReached()) return leftHandSide;
     if (CheckIfChar(IsExpressionEndingChar)) return leftHandSide;
     if (CheckIfChar(IsExpressionOperator)) {
-      auto op = gd::make_unique<OperatorNode>(GetCurrentChar());
+      auto op = gd::make_unique<OperatorNode>(inferredType, GetCurrentChar());
       op->leftHandSide = std::move(leftHandSide);
-      op->leftHandSide->parent = op.get();
-      op->diagnostic = ValidateOperator(GetCurrentChar());
+      op->diagnostic = ValidateOperator(inferredType, GetCurrentChar());
       SkipChar();
-      op->rightHandSide = Expression();
-      op->rightHandSide->parent = op.get();
+      op->rightHandSide = Expression(inferredType, objectName);
 
       op->location = ExpressionParserLocation(expressionStartPosition,
                                               GetCurrentPosition());
       return std::move(op);
     }
 
-    leftHandSide->diagnostic = RaiseSyntaxError(
-        "More than one term was found. Verify that your expression is "
-        "properly written.");
+    if (inferredType == "string") {
+      leftHandSide->diagnostic = RaiseSyntaxError(
+          "You must add the operator + between texts or expressions. For "
+          "example: \"Your name: \" + VariableString(PlayerName).");
+    } else if (inferredType == "number") {
+      leftHandSide->diagnostic = RaiseSyntaxError(
+          "No operator found. Did you forget to enter an operator (like +, -, "
+          "* or /) between numbers or expressions?");
+    } else {
+      leftHandSide->diagnostic = RaiseSyntaxError(
+          "More than one term was found. Verify that your expression is "
+          "properly written.");
+    }
 
-    auto op = gd::make_unique<OperatorNode>(' ');
+    auto op = gd::make_unique<OperatorNode>(inferredType, ' ');
     op->leftHandSide = std::move(leftHandSide);
-    op->leftHandSide->parent = op.get();
-    op->rightHandSide = Expression();
-    op->rightHandSide->parent = op.get();
+    op->rightHandSide = Expression(inferredType, objectName);
     op->location =
         ExpressionParserLocation(expressionStartPosition, GetCurrentPosition());
     return std::move(op);
   }
 
-  std::unique_ptr<ExpressionNode> Term() {
+  std::unique_ptr<ExpressionNode> Term(const gd::String &type,
+                                       const gd::String &objectName) {
     SkipAllWhitespaces();
 
     size_t expressionStartPosition = GetCurrentPosition();
-    std::unique_ptr<ExpressionNode> factor = Factor();
+    std::unique_ptr<ExpressionNode> factor = Factor(type, objectName);
+
+    const gd::String &inferredType = factor->type;
 
     SkipAllWhitespaces();
 
@@ -157,13 +174,11 @@ class GD_CORE_API ExpressionParser2 {
     // to guarantee the proper operator precedence. (Expression could also
     // be reworked to use a while loop).
     while (CheckIfChar(IsTermOperator)) {
-      auto op = gd::make_unique<OperatorNode>(GetCurrentChar());
+      auto op = gd::make_unique<OperatorNode>(inferredType, GetCurrentChar());
       op->leftHandSide = std::move(factor);
-      op->leftHandSide->parent = op.get();
-      op->diagnostic = ValidateOperator(GetCurrentChar());
+      op->diagnostic = ValidateOperator(inferredType, GetCurrentChar());
       SkipChar();
-      op->rightHandSide = Factor();
-      op->rightHandSide->parent = op.get();
+      op->rightHandSide = Factor(inferredType, objectName);
       op->location = ExpressionParserLocation(expressionStartPosition,
                                               GetCurrentPosition());
       SkipAllWhitespaces();
@@ -174,35 +189,54 @@ class GD_CORE_API ExpressionParser2 {
     return factor;
   };
 
-  std::unique_ptr<ExpressionNode> Factor() {
+  std::unique_ptr<ExpressionNode> Factor(const gd::String &type,
+                                         const gd::String &objectName) {
     SkipAllWhitespaces();
     size_t expressionStartPosition = GetCurrentPosition();
 
     if (CheckIfChar(IsQuote)) {
       std::unique_ptr<ExpressionNode> factor = ReadText();
+      if (type == "number")
+        factor->diagnostic =
+            RaiseTypeError(_("You entered a text, but a number was expected."),
+                           expressionStartPosition);
+      else if (type != "string" && type != "number|string")
+        factor->diagnostic = RaiseTypeError(
+            _("You entered a text, but this type was expected:") + type,
+            expressionStartPosition);
+
       return factor;
     } else if (CheckIfChar(IsUnaryOperator)) {
       auto unaryOperatorCharacter = GetCurrentChar();
       SkipChar();
 
-      auto operatorOperand = Factor();
+      auto operatorOperand = Factor(type, objectName);
+      const gd::String &inferredType = operatorOperand->type;
 
       auto unaryOperator = gd::make_unique<UnaryOperatorNode>(
-          unaryOperatorCharacter);
+          inferredType, unaryOperatorCharacter);
       unaryOperator->diagnostic = ValidateUnaryOperator(
-          unaryOperatorCharacter, expressionStartPosition);
+          inferredType, unaryOperatorCharacter, expressionStartPosition);
       unaryOperator->factor = std::move(operatorOperand);
-      unaryOperator->factor->parent = unaryOperator.get();
       unaryOperator->location = ExpressionParserLocation(
           expressionStartPosition, GetCurrentPosition());
 
       return std::move(unaryOperator);
     } else if (CheckIfChar(IsNumberFirstChar)) {
       std::unique_ptr<ExpressionNode> factor = ReadNumber();
+      if (type == "string")
+        factor->diagnostic = RaiseTypeError(
+            _("You entered a number, but a text was expected (in quotes)."),
+            expressionStartPosition);
+      else if (type != "number" && type != "number|string")
+        factor->diagnostic = RaiseTypeError(
+            _("You entered a number, but this type was expected:") + type,
+            expressionStartPosition);
+
       return factor;
     } else if (CheckIfChar(IsOpeningParenthesis)) {
       SkipChar();
-      std::unique_ptr<ExpressionNode> factor = SubExpression();
+      std::unique_ptr<ExpressionNode> factor = SubExpression(type, objectName);
 
       if (!CheckIfChar(IsClosingParenthesis)) {
         factor->diagnostic =
@@ -212,20 +246,29 @@ class GD_CORE_API ExpressionParser2 {
       SkipIfChar(IsClosingParenthesis);
       return factor;
     } else if (IsIdentifierAllowedChar()) {
-      return Identifier();
+      // This is a place where the grammar differs according to the
+      // type being expected.
+      if (gd::ParameterMetadata::IsExpression("variable", type)) {
+        return Variable(type, objectName);
+      } else {
+        return Identifier(type);
+      }
     }
 
-    std::unique_ptr<ExpressionNode> factor = ReadUntilWhitespace();
+    std::unique_ptr<ExpressionNode> factor = ReadUntilWhitespace(type);
+    factor->diagnostic = RaiseEmptyError(type, expressionStartPosition);
     return factor;
   }
 
-  std::unique_ptr<SubExpressionNode> SubExpression() {
+  std::unique_ptr<SubExpressionNode> SubExpression(
+      const gd::String &type, const gd::String &objectName) {
     size_t expressionStartPosition = GetCurrentPosition();
 
-    auto expression = Expression();
+    auto expression = Expression(type, objectName);
+    const gd::String &inferredType = expression->type;
 
     auto subExpression =
-        gd::make_unique<SubExpressionNode>(std::move(expression));
+        gd::make_unique<SubExpressionNode>(inferredType, std::move(expression));
     subExpression->location =
         ExpressionParserLocation(expressionStartPosition, GetCurrentPosition());
 
@@ -233,7 +276,7 @@ class GD_CORE_API ExpressionParser2 {
   };
 
   std::unique_ptr<IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode>
-  Identifier() {
+  Identifier(const gd::String &type) {
     auto identifierAndLocation = ReadIdentifierName();
     gd::String name = identifierAndLocation.name;
     auto nameLocation = identifierAndLocation.location;
@@ -260,28 +303,47 @@ class GD_CORE_API ExpressionParser2 {
 
     if (CheckIfChar(IsOpeningParenthesis)) {
       ExpressionParserLocation openingParenthesisLocation = SkipChar();
-      return FreeFunction(name, nameLocation, openingParenthesisLocation);
+      return FreeFunction(type, name, nameLocation, openingParenthesisLocation);
     } else if (CheckIfChar(IsDot)) {
       ExpressionParserLocation dotLocation = SkipChar();
       SkipAllWhitespaces();
       return ObjectFunctionOrBehaviorFunction(
-          name, nameLocation, dotLocation);
-    } else if (CheckIfChar(IsOpeningSquareBracket)) {
-      return Variable(name, nameLocation);
-    }
-    else {
-      auto identifier = gd::make_unique<IdentifierNode>(name);
+          type, name, nameLocation, dotLocation);
+    } else {
+      auto identifier = gd::make_unique<IdentifierNode>(name, type);
+      if (type == "string") {
+        identifier->diagnostic =
+            RaiseTypeError(_("You must wrap your text inside double quotes "
+                             "(example: \"Hello world\")."),
+                           nameLocation.GetStartPosition());
+      } else if (type == "number") {
+        identifier->diagnostic = RaiseTypeError(
+            _("You must enter a number."), nameLocation.GetStartPosition());
+      } else if (type == "number|string") {
+        identifier->diagnostic = RaiseTypeError(
+            _("You must enter a number or a text, wrapped inside double quotes "
+              "(example: \"Hello world\")."),
+            nameLocation.GetStartPosition());
+      } else if (!gd::ParameterMetadata::IsObject(type)) {
+        identifier->diagnostic = RaiseTypeError(
+            _("You've entered a name, but this type was expected:") + type,
+            nameLocation.GetStartPosition());
+      }
+
       identifier->location = ExpressionParserLocation(
           nameLocation.GetStartPosition(), GetCurrentPosition());
-      identifier->identifierNameLocation = identifier->location;
       return std::move(identifier);
     }
   }
 
-  std::unique_ptr<VariableNode> Variable(const gd::String &name, gd::ExpressionParserLocation nameLocation) {
-    auto variable = gd::make_unique<VariableNode>(name);
+  std::unique_ptr<VariableNode> Variable(const gd::String &type,
+                                         const gd::String &objectName) {
+    auto identifierAndLocation = ReadIdentifierName();
+    const gd::String &name = identifierAndLocation.name;
+    const auto &nameLocation = identifierAndLocation.location;
+
+    auto variable = gd::make_unique<VariableNode>(type, name, objectName);
     variable->child = VariableAccessorOrVariableBracketAccessor();
-    variable->child->parent = variable.get();
 
     variable->location = ExpressionParserLocation(
         nameLocation.GetStartPosition(), GetCurrentPosition());
@@ -296,8 +358,8 @@ class GD_CORE_API ExpressionParser2 {
     SkipAllWhitespaces();
     if (CheckIfChar(IsOpeningSquareBracket)) {
       SkipChar();
-      auto child = gd::make_unique<VariableBracketAccessorNode>(Expression());
-      child->expression->parent = child.get();
+      auto child = gd::make_unique<VariableBracketAccessorNode>(
+          Expression("number|string"));
 
       if (!CheckIfChar(IsClosingSquareBracket)) {
         child->diagnostic =
@@ -306,7 +368,6 @@ class GD_CORE_API ExpressionParser2 {
       }
       SkipIfChar(IsClosingSquareBracket);
       child->child = VariableAccessorOrVariableBracketAccessor();
-      child->child->parent = child.get();
       child->location =
           ExpressionParserLocation(childStartPosition, GetCurrentPosition());
 
@@ -319,7 +380,6 @@ class GD_CORE_API ExpressionParser2 {
       auto child =
           gd::make_unique<VariableAccessorNode>(identifierAndLocation.name);
       child->child = VariableAccessorOrVariableBracketAccessor();
-      child->child->parent = child.get();
       child->nameLocation = identifierAndLocation.location;
       child->dotLocation = dotLocation;
       child->location =
@@ -328,21 +388,40 @@ class GD_CORE_API ExpressionParser2 {
       return std::move(child);
     }
 
-    return std::move(gd::make_unique<VariableAccessorOrVariableBracketAccessorNode>());
+    return std::move(
+        std::unique_ptr<VariableAccessorOrVariableBracketAccessorNode>());
   }
 
   std::unique_ptr<FunctionCallNode> FreeFunction(
+      const gd::String &type,
       const gd::String &functionFullName,
       const ExpressionParserLocation &identifierLocation,
       const ExpressionParserLocation &openingParenthesisLocation) {
     // TODO: error if trying to use function for type != "number" && != "string"
     // + Test for it
 
+    const gd::ExpressionMetadata &metadata =
+        MetadataProvider::GetAnyExpressionMetadata(platform, functionFullName);
+
+    // In case we can't find a valid expression, ensure the node has the type
+    // that is requested by the parent, so we avoid putting "unknown" (which
+    // would be also correct, but less precise and would prevent completions to
+    // be shown to the user)
+    const gd::String returnType =
+        gd::MetadataProvider::IsBadExpressionMetadata(metadata) == true
+            ? type
+            : metadata.GetReturnType();
+
+    auto parametersNode = Parameters(metadata.parameters);
     auto function =
-        gd::make_unique<FunctionCallNode>(functionFullName);
-    auto parametersNode = Parameters(function.get());
-    function->parameters = std::move(parametersNode.parameters);
+        gd::make_unique<FunctionCallNode>(returnType,
+                                          std::move(parametersNode.parameters),
+                                          metadata,
+                                          functionFullName);
     function->diagnostic = std::move(parametersNode.diagnostic);
+    if (!function->diagnostic)  // TODO: reverse the order of diagnostic?
+      function->diagnostic = ValidateFunction(
+          type, *function, identifierLocation.GetStartPosition());
 
     function->location = ExpressionParserLocation(
         identifierLocation.GetStartPosition(), GetCurrentPosition());
@@ -354,15 +433,16 @@ class GD_CORE_API ExpressionParser2 {
     return std::move(function);
   }
 
-  std::unique_ptr<IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode>
+  std::unique_ptr<FunctionCallOrObjectFunctionNameOrEmptyNode>
   ObjectFunctionOrBehaviorFunction(
-      const gd::String &parentIdentifier,
-      const ExpressionParserLocation &parentIdentifierLocation,
-      const ExpressionParserLocation &parentIdentifierDotLocation) {
-    auto childIdentifierAndLocation = ReadIdentifierName();
-    const gd::String &childIdentifierName = childIdentifierAndLocation.name;
-    const auto &childIdentifierNameLocation =
-        childIdentifierAndLocation.location;
+      const gd::String &type,
+      const gd::String &objectName,
+      const ExpressionParserLocation &objectNameLocation,
+      const ExpressionParserLocation &objectNameDotLocation) {
+    auto identifierAndLocation = ReadIdentifierName();
+    const gd::String &objectFunctionOrBehaviorName = identifierAndLocation.name;
+    const auto &objectFunctionOrBehaviorNameLocation =
+        identifierAndLocation.location;
 
     SkipAllWhitespaces();
 
@@ -370,68 +450,72 @@ class GD_CORE_API ExpressionParser2 {
       ExpressionParserLocation namespaceSeparatorLocation =
           SkipNamespaceSeparator();
       SkipAllWhitespaces();
-      return BehaviorFunction(parentIdentifier,
-                              childIdentifierName,
-                              parentIdentifierLocation,
-                              parentIdentifierDotLocation,
-                              childIdentifierNameLocation,
+      return BehaviorFunction(type,
+                              objectName,
+                              objectFunctionOrBehaviorName,
+                              objectNameLocation,
+                              objectNameDotLocation,
+                              objectFunctionOrBehaviorNameLocation,
                               namespaceSeparatorLocation);
     } else if (CheckIfChar(IsOpeningParenthesis)) {
       ExpressionParserLocation openingParenthesisLocation = SkipChar();
 
+      gd::String objectType =
+          GetTypeOfObject(globalObjectsContainer, objectsContainer, objectName);
+
+      const gd::ExpressionMetadata &metadata =
+          MetadataProvider::GetObjectAnyExpressionMetadata(
+              platform, objectType, objectFunctionOrBehaviorName);
+
+      // In case we can't find a valid expression, ensure the node has the type
+      // that is requested by the parent, so we avoid putting "unknown" (which
+      // would be also correct, but less precise and would prevent completions
+      // to be shown to the user)
+      const gd::String returnType =
+          gd::MetadataProvider::IsBadExpressionMetadata(metadata) == true
+              ? type
+              : metadata.GetReturnType();
+
+      auto parametersNode = Parameters(metadata.parameters, objectName);
       auto function = gd::make_unique<FunctionCallNode>(
-          parentIdentifier,
-          childIdentifierName);
-      auto parametersNode = Parameters(function.get(), parentIdentifier);
-      function->parameters = std::move(parametersNode.parameters),
+          returnType,
+          objectName,
+          std::move(parametersNode.parameters),
+          metadata,
+          objectFunctionOrBehaviorName);
       function->diagnostic = std::move(parametersNode.diagnostic);
+      if (!function->diagnostic)  // TODO: reverse the order of diagnostic?
+        function->diagnostic = ValidateFunction(
+            type, *function, objectNameLocation.GetStartPosition());
 
       function->location = ExpressionParserLocation(
-          parentIdentifierLocation.GetStartPosition(), GetCurrentPosition());
-      function->objectNameLocation = parentIdentifierLocation;
-      function->objectNameDotLocation = parentIdentifierDotLocation;
-      function->functionNameLocation = childIdentifierNameLocation;
+          objectNameLocation.GetStartPosition(), GetCurrentPosition());
+      function->objectNameLocation = objectNameLocation;
+      function->objectNameDotLocation = objectNameDotLocation;
+      function->functionNameLocation = objectFunctionOrBehaviorNameLocation;
       function->openingParenthesisLocation = openingParenthesisLocation;
       function->closingParenthesisLocation =
           parametersNode.closingParenthesisLocation;
       return std::move(function);
-    } else if (CheckIfChar(IsDot) || CheckIfChar(IsOpeningSquareBracket)) {
-      auto variable = gd::make_unique<VariableNode>(parentIdentifier);
-      auto child =
-          gd::make_unique<VariableAccessorNode>(childIdentifierName);
-      child->child = VariableAccessorOrVariableBracketAccessor();
-      child->child->parent = child.get();
-      child->nameLocation = childIdentifierNameLocation;
-      child->dotLocation = parentIdentifierDotLocation;
-      child->location = ExpressionParserLocation(
-          parentIdentifierDotLocation.GetStartPosition(), GetCurrentPosition());
-      variable->child = std::move(child);
-      variable->child->parent = variable.get();
-
-      variable->location = ExpressionParserLocation(
-          parentIdentifierLocation.GetStartPosition(), GetCurrentPosition());
-      variable->nameLocation = parentIdentifierLocation;
-
-      return std::move(variable);
     }
 
-    auto node = gd::make_unique<IdentifierNode>(
-        parentIdentifier, childIdentifierName);
-    if (!CheckIfChar(IsParameterSeparator) && !CheckIfChar(IsClosingParenthesis) && !IsEndReached()) {
-      node->diagnostic = RaiseSyntaxError(
-          _("An opening parenthesis (for an object expression), a double colon "
-            "(:: for a behavior expression), a dot or an opening bracket (for "
-            "a child variable) where expected."));
-    }
+    auto node = gd::make_unique<ObjectFunctionNameNode>(
+        type, objectName, objectFunctionOrBehaviorName);
+    node->diagnostic = RaiseSyntaxError(
+        _("An opening parenthesis (for an object expression), or double colon "
+          "(::) was expected (for a behavior expression)."));
+
     node->location = ExpressionParserLocation(
-        parentIdentifierLocation.GetStartPosition(), GetCurrentPosition());
-    node->identifierNameLocation = parentIdentifierLocation;
-    node->identifierNameDotLocation = parentIdentifierDotLocation;
-    node->childIdentifierNameLocation = childIdentifierNameLocation;
+        objectNameLocation.GetStartPosition(), GetCurrentPosition());
+    node->objectNameLocation = objectNameLocation;
+    node->objectNameDotLocation = objectNameDotLocation;
+    node->objectFunctionOrBehaviorNameLocation =
+        objectFunctionOrBehaviorNameLocation;
     return std::move(node);
   }
 
   std::unique_ptr<FunctionCallOrObjectFunctionNameOrEmptyNode> BehaviorFunction(
+      const gd::String &type,
       const gd::String &objectName,
       const gd::String &behaviorName,
       const ExpressionParserLocation &objectNameLocation,
@@ -447,14 +531,35 @@ class GD_CORE_API ExpressionParser2 {
     if (CheckIfChar(IsOpeningParenthesis)) {
       ExpressionParserLocation openingParenthesisLocation = SkipChar();
 
+      gd::String behaviorType = GetTypeOfBehavior(
+          globalObjectsContainer, objectsContainer, behaviorName);
+
+      const gd::ExpressionMetadata &metadata =
+          MetadataProvider::GetBehaviorAnyExpressionMetadata(
+              platform, behaviorType, functionName);
+
+      // In case we can't find a valid expression, ensure the node has the type
+      // that is requested by the parent, so we avoid putting "unknown" (which
+      // would be also correct, but less precise and would prevent completions
+      // to be shown to the user)
+      const gd::String returnType =
+          gd::MetadataProvider::IsBadExpressionMetadata(metadata) == true
+              ? type
+              : metadata.GetReturnType();
+
+      auto parametersNode =
+          Parameters(metadata.parameters, objectName, behaviorName);
       auto function = gd::make_unique<FunctionCallNode>(
+          returnType,
           objectName,
           behaviorName,
+          std::move(parametersNode.parameters),
+          metadata,
           functionName);
-      auto parametersNode =
-          Parameters(function.get(), objectName, behaviorName);
-      function->parameters = std::move(parametersNode.parameters);
       function->diagnostic = std::move(parametersNode.diagnostic);
+      if (!function->diagnostic)  // TODO: reverse the order of diagnostic?
+        function->diagnostic = ValidateFunction(
+            type, *function, objectNameLocation.GetStartPosition());
 
       function->location = ExpressionParserLocation(
           objectNameLocation.GetStartPosition(), GetCurrentPosition());
@@ -470,7 +575,7 @@ class GD_CORE_API ExpressionParser2 {
       return std::move(function);
     } else {
       auto node = gd::make_unique<ObjectFunctionNameNode>(
-          objectName, behaviorName, functionName);
+          type, objectName, behaviorName, functionName);
       node->diagnostic = RaiseSyntaxError(
           _("An opening parenthesis was expected here to call a function."));
 
@@ -494,7 +599,7 @@ class GD_CORE_API ExpressionParser2 {
   };
 
   ParametersNode Parameters(
-      FunctionCallNode *functionCallNode,
+      std::vector<gd::ParameterMetadata> parameterMetadata,
       const gd::String &objectName = "",
       const gd::String &behaviorName = "") {
     std::vector<std::unique_ptr<ExpressionNode>> parameters;
@@ -505,25 +610,77 @@ class GD_CORE_API ExpressionParser2 {
     size_t parameterIndex =
         WrittenParametersFirstIndex(objectName, behaviorName);
 
-    bool previousCharacterIsParameterSeparator = false;
     while (!IsEndReached()) {
       SkipAllWhitespaces();
 
-      if (CheckIfChar(IsClosingParenthesis) && !previousCharacterIsParameterSeparator) {
+      if (CheckIfChar(IsClosingParenthesis)) {
         auto closingParenthesisLocation = SkipChar();
         return ParametersNode{
             std::move(parameters), nullptr, closingParenthesisLocation};
-      }
-      bool isEmptyParameter = CheckIfChar(IsParameterSeparator)
-          || (CheckIfChar(IsClosingParenthesis) && previousCharacterIsParameterSeparator);
-      auto parameter = isEmptyParameter ? gd::make_unique<EmptyNode>() : Expression();
-      parameter->parent = functionCallNode;
-      parameters.push_back(std::move(parameter));
+      } else {
+        if (parameterIndex < parameterMetadata.size()) {
+          const gd::String &type = parameterMetadata[parameterIndex].GetType();
+          if (parameterMetadata[parameterIndex].IsCodeOnly()) {
+            // Do nothing, code only parameters are not written in expressions.
+          } else if (gd::ParameterMetadata::IsExpression("number", type)) {
+            parameters.push_back(Expression("number"));
+          } else if (gd::ParameterMetadata::IsExpression("string", type)) {
+            parameters.push_back(Expression("string"));
+          } else if (gd::ParameterMetadata::IsExpression("variable", type)) {
+            parameters.push_back(Expression(
+                type, lastObjectName.empty() ? objectName : lastObjectName));
+          } else if (gd::ParameterMetadata::IsObject(type)) {
+            size_t parameterStartPosition = GetCurrentPosition();
+            std::unique_ptr<ExpressionNode> objectExpression = Expression(type);
 
-      SkipAllWhitespaces();
-      previousCharacterIsParameterSeparator = CheckIfChar(IsParameterSeparator);
-      SkipIfChar(IsParameterSeparator);
-      parameterIndex++;
+            // Memorize the last object name. By convention, parameters that
+            // require an object (mainly, "objectvar" and "behavior") should be
+            // placed after the object in the list of parameters (if possible,
+            // just after). Search "lastObjectName" in the codebase for other
+            // place where this convention is enforced.
+            if (auto identifierNode =
+                    dynamic_cast<IdentifierNode *>(objectExpression.get())) {
+              lastObjectName = identifierNode->identifierName;
+            } else {
+              objectExpression->diagnostic =
+                  gd::make_unique<ExpressionParserError>(
+                      "malformed_object_parameter",
+                      _("An object name was expected but something else was "
+                        "written. Enter just the name of the object for this "
+                        "parameter."),
+                      parameterStartPosition,
+                      GetCurrentPosition());
+            }
+
+            parameters.push_back(std::move(objectExpression));
+          } else {
+            size_t parameterStartPosition = GetCurrentPosition();
+            parameters.push_back(Expression("unknown"));
+            parameters.back()->diagnostic =
+                gd::make_unique<ExpressionParserError>(
+                    "unknown_parameter_type",
+                    _("This function is improperly set up. Reach out to the "
+                      "extension developer or a GDevelop maintainer to fix "
+                      "this issue"),
+                    parameterStartPosition,
+                    GetCurrentPosition());
+          }
+        } else {
+          size_t parameterStartPosition = GetCurrentPosition();
+          parameters.push_back(Expression("unknown"));
+          parameters.back()
+              ->diagnostic = gd::make_unique<ExpressionParserError>(
+              "extra_parameter",
+              _("This parameter was not expected by this expression. Remove it "
+                "or verify that you've entered the proper expression name."),
+              parameterStartPosition,
+              GetCurrentPosition());
+        }
+
+        SkipAllWhitespaces();
+        SkipIfChar(IsParameterSeparator);
+        parameterIndex++;
+      }
     }
 
     ExpressionParserLocation invalidClosingParenthesisLocation;
@@ -535,32 +692,92 @@ class GD_CORE_API ExpressionParser2 {
   }
   ///@}
 
+  /** \name Validators
+   * Return a diagnostic if any error is found
+   */
+  ///@{
+  std::unique_ptr<ExpressionParserDiagnostic> ValidateFunction(
+      const gd::String &type,
+      const gd::FunctionCallNode &function,
+      size_t functionStartPosition);
+
   std::unique_ptr<ExpressionParserDiagnostic> ValidateOperator(
-      gd::String::value_type operatorChar) {
-    if (operatorChar == '+' || operatorChar == '-' || operatorChar == '/' ||
-        operatorChar == '*') {
-      return gd::make_unique<ExpressionParserDiagnostic>();
+      const gd::String &type, gd::String::value_type operatorChar) {
+    if (type == "number") {
+      if (operatorChar == '+' || operatorChar == '-' || operatorChar == '/' ||
+          operatorChar == '*') {
+        return gd::make_unique<ExpressionParserDiagnostic>();
+      }
+
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("You've used an operator that is not supported. Operator should be "
+            "either +, -, / or *."),
+          GetCurrentPosition());
+    } else if (type == "string") {
+      if (operatorChar == '+') {
+        return gd::make_unique<ExpressionParserDiagnostic>();
+      }
+
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("You've used an operator that is not supported. Only + can be used "
+            "to concatenate texts."),
+          GetCurrentPosition());
+    } else if (gd::ParameterMetadata::IsObject(type)) {
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("Operators (+, -, /, *) can't be used with an object name. Remove "
+            "the operator."),
+          GetCurrentPosition());
+    } else if (gd::ParameterMetadata::IsExpression("variable", type)) {
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("Operators (+, -, /, *) can't be used in variable names. Remove "
+            "the operator from the variable name."),
+          GetCurrentPosition());
     }
-    return gd::make_unique<ExpressionParserError>(
-        "invalid_operator",
-        _("You've used an operator that is not supported. Operator should be "
-          "either +, -, / or *."),
-        GetCurrentPosition());
+
+    return gd::make_unique<ExpressionParserDiagnostic>();
   }
 
   std::unique_ptr<ExpressionParserDiagnostic> ValidateUnaryOperator(
+      const gd::String &type,
       gd::String::value_type operatorChar,
       size_t position) {
-    if (operatorChar == '+' || operatorChar == '-') {
-      return gd::make_unique<ExpressionParserDiagnostic>();
+    if (type == "number") {
+      if (operatorChar == '+' || operatorChar == '-') {
+        return gd::make_unique<ExpressionParserDiagnostic>();
+      }
+
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("You've used an \"unary\" operator that is not supported. Operator "
+            "should be "
+            "either + or -."),
+          position);
+    } else if (type == "string") {
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("You've used an operator that is not supported. Only + can be used "
+            "to concatenate texts, and must be placed between two texts (or "
+            "expressions)."),
+          position);
+    } else if (gd::ParameterMetadata::IsObject(type)) {
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("Operators (+, -) can't be used with an object name. Remove the "
+            "operator."),
+          position);
+    } else if (gd::ParameterMetadata::IsExpression("variable", type)) {
+      return gd::make_unique<ExpressionParserError>(
+          "invalid_operator",
+          _("Operators (+, -) can't be used in variable names. Remove "
+            "the operator from the variable name."),
+          position);
     }
 
-    return gd::make_unique<ExpressionParserError>(
-        "invalid_operator",
-        _("You've used an \"unary\" operator that is not supported. Operator "
-          "should be "
-          "either + or -."),
-        position);
+    return gd::make_unique<ExpressionParserDiagnostic>();
   }
   ///@}
 
@@ -748,7 +965,7 @@ class GD_CORE_API ExpressionParser2 {
 
   std::unique_ptr<NumberNode> ReadNumber();
 
-  std::unique_ptr<EmptyNode> ReadUntilWhitespace() {
+  std::unique_ptr<EmptyNode> ReadUntilWhitespace(gd::String type) {
     size_t startPosition = GetCurrentPosition();
     gd::String text;
     while (currentPosition < expression.size() &&
@@ -757,13 +974,13 @@ class GD_CORE_API ExpressionParser2 {
       currentPosition++;
     }
 
-    auto node = gd::make_unique<EmptyNode>(text);
+    auto node = gd::make_unique<EmptyNode>(type, text);
     node->location =
         ExpressionParserLocation(startPosition, GetCurrentPosition());
     return node;
   }
 
-  std::unique_ptr<EmptyNode> ReadUntilEnd() {
+  std::unique_ptr<EmptyNode> ReadUntilEnd(gd::String type) {
     size_t startPosition = GetCurrentPosition();
     gd::String text;
     while (currentPosition < expression.size()) {
@@ -771,7 +988,7 @@ class GD_CORE_API ExpressionParser2 {
       currentPosition++;
     }
 
-    auto node = gd::make_unique<EmptyNode>(text);
+    auto node = gd::make_unique<EmptyNode>(type, text);
     node->location =
         ExpressionParserLocation(startPosition, GetCurrentPosition());
     return node;
@@ -804,11 +1021,34 @@ class GD_CORE_API ExpressionParser2 {
     return std::move(gd::make_unique<ExpressionParserError>(
         "type_error", message, beginningPosition, GetCurrentPosition()));
   }
+
+  std::unique_ptr<ExpressionParserError> RaiseEmptyError(
+      const gd::String &type, size_t beginningPosition) {
+    gd::String message;
+    if (type == "number") {
+      message = _("You must enter a number or a valid expression call.");
+    } else if (type == "string") {
+      message = _(
+          "You must enter a text (between quotes) or a valid expression call.");
+    } else if (gd::ParameterMetadata::IsExpression("variable", type)) {
+      message = _("You must enter a variable name.");
+    } else if (gd::ParameterMetadata::IsObject(type)) {
+      message = _("You must enter a valid object name.");
+    } else {
+      message = _("You must enter a valid expression.");
+    }
+
+    return std::move(RaiseTypeError(message, beginningPosition));
+  }
   ///@}
 
   gd::String expression;
   std::size_t currentPosition;
 
+  const gd::Platform &platform;
+  const gd::ObjectsContainer &globalObjectsContainer;
+  const gd::ObjectsContainer &objectsContainer;
+
   static gd::String NAMESPACE_SEPARATOR;
 };
 

Core/GDCore/Events/Parsers/ExpressionParser2Node.h

@@ -17,7 +17,6 @@ class ObjectsContainer;
 class Platform;
 class ParameterMetadata;
 class ExpressionMetadata;
-struct FunctionCallNode;
 }  // namespace gd
 
 namespace gd {
@@ -58,10 +57,6 @@ struct GD_CORE_API ExpressionParserDiagnostic {
  * \brief An error that can be attached to a gd::ExpressionNode.
  */
 struct GD_CORE_API ExpressionParserError : public ExpressionParserDiagnostic {
-  ExpressionParserError(const gd::String &type_,
-                        const gd::String &message_,
-                        const ExpressionParserLocation &location_)
-      : type(type_), message(message_), location(location_){};
   ExpressionParserError(const gd::String &type_,
                         const gd::String &message_,
                         size_t position_)
@@ -91,7 +86,7 @@ struct GD_CORE_API ExpressionParserError : public ExpressionParserDiagnostic {
  * an expression inherits from.
  */
 struct GD_CORE_API ExpressionNode {
-  ExpressionNode() : parent(nullptr) {};
+  ExpressionNode(const gd::String &type_) : type(type_){};
   virtual ~ExpressionNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker){};
 
@@ -102,12 +97,17 @@ struct GD_CORE_API ExpressionNode {
                                       /// function can store the position of the
                                       /// object name, the dot, the function
                                       /// name, etc...
-  ExpressionNode *parent;
+
+  gd::String type;  // Actual type of the node.
+                    // "string", "number", type supported by
+                    // gd::ParameterMetadata::IsObject, types supported by
+                    // gd::ParameterMetadata::IsExpression or "unknown".
 };
 
 struct GD_CORE_API SubExpressionNode : public ExpressionNode {
-  SubExpressionNode(std::unique_ptr<ExpressionNode> expression_)
-      : ExpressionNode(), expression(std::move(expression_)){};
+  SubExpressionNode(const gd::String &type_,
+                    std::unique_ptr<ExpressionNode> expression_)
+      : ExpressionNode(type_), expression(std::move(expression_)){};
   virtual ~SubExpressionNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitSubExpressionNode(*this);
@@ -120,8 +120,8 @@ struct GD_CORE_API SubExpressionNode : public ExpressionNode {
  * \brief An operator node. For example: "lhs + rhs".
  */
 struct GD_CORE_API OperatorNode : public ExpressionNode {
-  OperatorNode(gd::String::value_type op_)
-      : ExpressionNode(), op(op_){};
+  OperatorNode(const gd::String &type_, gd::String::value_type op_)
+      : ExpressionNode(type_), op(op_){};
   virtual ~OperatorNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitOperatorNode(*this);
@@ -136,8 +136,8 @@ struct GD_CORE_API OperatorNode : public ExpressionNode {
  * \brief A unary operator node. For example: "-2".
  */
 struct GD_CORE_API UnaryOperatorNode : public ExpressionNode {
-  UnaryOperatorNode(gd::String::value_type op_)
-      : ExpressionNode(), op(op_){};
+  UnaryOperatorNode(const gd::String &type_, gd::String::value_type op_)
+      : ExpressionNode(type_), op(op_){};
   virtual ~UnaryOperatorNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitUnaryOperatorNode(*this);
@@ -153,7 +153,7 @@ struct GD_CORE_API UnaryOperatorNode : public ExpressionNode {
  */
 struct GD_CORE_API NumberNode : public ExpressionNode {
   NumberNode(const gd::String &number_)
-      : ExpressionNode(), number(number_){};
+      : ExpressionNode("number"), number(number_){};
   virtual ~NumberNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitNumberNode(*this);
@@ -168,7 +168,7 @@ struct GD_CORE_API NumberNode : public ExpressionNode {
  * Its `type` is always "string".
  */
 struct GD_CORE_API TextNode : public ExpressionNode {
-  TextNode(const gd::String &text_) : ExpressionNode(), text(text_){};
+  TextNode(const gd::String &text_) : ExpressionNode("string"), text(text_){};
   virtual ~TextNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitTextNode(*this);
@@ -177,88 +177,32 @@ struct GD_CORE_API TextNode : public ExpressionNode {
   gd::String text;
 };
 
-struct GD_CORE_API IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode
-    : public ExpressionNode {
-  IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode()
-      : ExpressionNode(){};
-};
-
-/**
- * \brief An identifier node, usually representing an object or a variable
- * with an optional function name or child variable name respectively.
- *
- * The name of a function to call on an object or the behavior,
- * for example: "MyObject.Function" or "MyObject.Physics".
- * 
- * A variable, potentially with accessor to its child,
- * for example: MyVariable or MyVariable.MyChild
- */
-struct GD_CORE_API IdentifierNode
-    : public IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode {
-  IdentifierNode(
-  const gd::String &identifierName_)
-      : IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode(),
-        identifierName(identifierName_),
-        childIdentifierName(""){};
-  IdentifierNode(
-  const gd::String &identifierName_,
-  const gd::String &childIdentifierName_)
-      : IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode(),
-        identifierName(identifierName_),
-        childIdentifierName(childIdentifierName_){};
-  virtual ~IdentifierNode(){};
-  virtual void Visit(ExpressionParser2NodeWorker &worker) {
-    worker.OnVisitIdentifierNode(*this);
-  };
-
-  gd::String identifierName;  ///< The object or variable name.
-  gd::String childIdentifierName;  ///< The object function or variable child name.
-
-
-  ExpressionParserLocation
-      identifierNameLocation;  ///< Location of the object or variable name.
-  ExpressionParserLocation
-      identifierNameDotLocation;  ///< Location of the "." after the object or variable name.
-  ExpressionParserLocation childIdentifierNameLocation;  ///< Location of object
-                                                         /// function, behavior or
-                                                         /// child variable name.
-};
-
-struct GD_CORE_API FunctionCallOrObjectFunctionNameOrEmptyNode
-    : public IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode {
-  FunctionCallOrObjectFunctionNameOrEmptyNode()
-      : IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode(){};
-  virtual ~FunctionCallOrObjectFunctionNameOrEmptyNode(){};
-  void Visit(ExpressionParser2NodeWorker &worker) override{};
-};
-
 struct GD_CORE_API VariableAccessorOrVariableBracketAccessorNode : public ExpressionNode {
-  VariableAccessorOrVariableBracketAccessorNode() : ExpressionNode(){};
+  VariableAccessorOrVariableBracketAccessorNode() : ExpressionNode(""){};
 
   std::unique_ptr<VariableAccessorOrVariableBracketAccessorNode> child;
 };
 
 /**
- * \brief A variable with bracket accessor or at least 2 "dot" accessors.
+ * \brief A variable, potentially with accessor to its children.
+ *
+ * Example: MyVariable or MyVariable.MyChildren
  *
- * Example: MyVariable[MyChildren] or MyVariable.MyChildren.MyGranChildren.
- * 
- * Other cases like "MyVariable" or "MyVariable.MyChildren" are IdentifierNode
- * to allow handling ambiguities.
- * 
- * \see gd::IdentifierNode
  * \see gd::VariableAccessorNode
  * \see gd::VariableBracketAccessorNode
  */
-struct GD_CORE_API VariableNode : public FunctionCallOrObjectFunctionNameOrEmptyNode {
-  VariableNode(const gd::String &name_)
-      : FunctionCallOrObjectFunctionNameOrEmptyNode(), name(name_){};
+struct GD_CORE_API VariableNode : public ExpressionNode {
+  VariableNode(const gd::String &type_,
+               const gd::String &name_,
+               const gd::String &objectName_)
+      : ExpressionNode(type_), name(name_), objectName(objectName_){};
   virtual ~VariableNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitVariableNode(*this);
   };
 
   gd::String name;
+  gd::String objectName;
 
   std::unique_ptr<VariableAccessorOrVariableBracketAccessorNode>
       child;  // Can be nullptr if no accessor
@@ -272,8 +216,7 @@ struct GD_CORE_API VariableNode : public FunctionCallOrObjectFunctionNameOrEmpty
  */
 struct GD_CORE_API VariableAccessorNode
     : public VariableAccessorOrVariableBracketAccessorNode {
-  VariableAccessorNode(const gd::String &name_)
-      : VariableAccessorOrVariableBracketAccessorNode(), name(name_){};
+  VariableAccessorNode(const gd::String &name_) : name(name_){};
   virtual ~VariableAccessorNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitVariableAccessorNode(*this);
@@ -291,7 +234,7 @@ struct GD_CORE_API VariableAccessorNode
 struct GD_CORE_API VariableBracketAccessorNode
     : public VariableAccessorOrVariableBracketAccessorNode {
   VariableBracketAccessorNode(std::unique_ptr<ExpressionNode> expression_)
-      : VariableAccessorOrVariableBracketAccessorNode(), expression(std::move(expression_)){};
+      : expression(std::move(expression_)){};
   virtual ~VariableBracketAccessorNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitVariableBracketAccessorNode(*this);
@@ -300,26 +243,55 @@ struct GD_CORE_API VariableBracketAccessorNode
   std::unique_ptr<ExpressionNode> expression;
 };
 
+struct GD_CORE_API IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode
+    : public ExpressionNode {
+  IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode(
+      const gd::String &type)
+      : ExpressionNode(type){};
+};
+
+/**
+ * \brief An identifier node, usually representing an object or a function name.
+ */
+struct GD_CORE_API IdentifierNode
+    : public IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode {
+  IdentifierNode(const gd::String &identifierName_, const gd::String &type_)
+      : IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode(type_),
+        identifierName(identifierName_){};
+  virtual ~IdentifierNode(){};
+  virtual void Visit(ExpressionParser2NodeWorker &worker) {
+    worker.OnVisitIdentifierNode(*this);
+  };
+
+  gd::String identifierName;
+};
+
+struct GD_CORE_API FunctionCallOrObjectFunctionNameOrEmptyNode
+    : public IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode {
+  FunctionCallOrObjectFunctionNameOrEmptyNode(const gd::String &type)
+      : IdentifierOrFunctionCallOrObjectFunctionNameOrEmptyNode(type){};
+  virtual ~FunctionCallOrObjectFunctionNameOrEmptyNode(){};
+  void Visit(ExpressionParser2NodeWorker &worker) override{};
+};
+
 /**
  * \brief The name of a function to call on an object or the behavior
- * For example: "MyObject.Physics::LinearVelocity".
- * 
- * Other cases like "MyObject.Function" or "MyObject.Physics" are IdentifierNode
- * to allow handling ambiguities.
- * 
- * \see gd::IdentifierNode
+ * For example: "MyObject.Function" or "MyObject.Physics" or
+ * "MyObject.Physics::LinearVelocity".
  */
 struct GD_CORE_API ObjectFunctionNameNode
     : public FunctionCallOrObjectFunctionNameOrEmptyNode {
-  ObjectFunctionNameNode(const gd::String &objectName_,
+  ObjectFunctionNameNode(const gd::String &type_,
+                         const gd::String &objectName_,
                          const gd::String &objectFunctionOrBehaviorName_)
-      : FunctionCallOrObjectFunctionNameOrEmptyNode(),
+      : FunctionCallOrObjectFunctionNameOrEmptyNode(type_),
         objectName(objectName_),
         objectFunctionOrBehaviorName(objectFunctionOrBehaviorName_) {}
-  ObjectFunctionNameNode(const gd::String &objectName_,
+  ObjectFunctionNameNode(const gd::String &type_,
+                         const gd::String &objectName_,
                          const gd::String &behaviorName_,
                          const gd::String &behaviorFunctionName_)
-      : FunctionCallOrObjectFunctionNameOrEmptyNode(),
+      : FunctionCallOrObjectFunctionNameOrEmptyNode(type_),
         objectName(objectName_),
         objectFunctionOrBehaviorName(behaviorName_),
         behaviorFunctionName(behaviorFunctionName_) {}
@@ -362,24 +334,39 @@ struct GD_CORE_API ObjectFunctionNameNode
  */
 struct GD_CORE_API FunctionCallNode : public FunctionCallOrObjectFunctionNameOrEmptyNode {
   /** \brief Construct a free function call node. */
-  FunctionCallNode(const gd::String &functionName_)
-      : FunctionCallOrObjectFunctionNameOrEmptyNode(),
+  FunctionCallNode(const gd::String &type_,
+                   std::vector<std::unique_ptr<ExpressionNode>> parameters_,
+                   const ExpressionMetadata &expressionMetadata_,
+                   const gd::String &functionName_)
+      : FunctionCallOrObjectFunctionNameOrEmptyNode(type_),
+        parameters(std::move(parameters_)),
+        expressionMetadata(expressionMetadata_),
         functionName(functionName_){};
 
   /** \brief Construct an object function call node. */
-  FunctionCallNode(const gd::String &objectName_,
+  FunctionCallNode(const gd::String &type_,
+                   const gd::String &objectName_,
+                   std::vector<std::unique_ptr<ExpressionNode>> parameters_,
+                   const ExpressionMetadata &expressionMetadata_,
                    const gd::String &functionName_)
-      : FunctionCallOrObjectFunctionNameOrEmptyNode(),
+      : FunctionCallOrObjectFunctionNameOrEmptyNode(type_),
         objectName(objectName_),
+        parameters(std::move(parameters_)),
+        expressionMetadata(expressionMetadata_),
         functionName(functionName_){};
 
   /** \brief Construct a behavior function call node. */
-  FunctionCallNode(const gd::String &objectName_,
+  FunctionCallNode(const gd::String &type_,
+                   const gd::String &objectName_,
                    const gd::String &behaviorName_,
+                   std::vector<std::unique_ptr<ExpressionNode>> parameters_,
+                   const ExpressionMetadata &expressionMetadata_,
                    const gd::String &functionName_)
-      : FunctionCallOrObjectFunctionNameOrEmptyNode(),
+      : FunctionCallOrObjectFunctionNameOrEmptyNode(type_),
         objectName(objectName_),
         behaviorName(behaviorName_),
+        parameters(std::move(parameters_)),
+        expressionMetadata(expressionMetadata_),
         functionName(functionName_){};
   virtual ~FunctionCallNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
@@ -389,6 +376,7 @@ struct GD_CORE_API FunctionCallNode : public FunctionCallOrObjectFunctionNameOrE
   gd::String objectName;
   gd::String behaviorName;
   std::vector<std::unique_ptr<ExpressionNode>> parameters;
+  const ExpressionMetadata &expressionMetadata;
   gd::String functionName;
 
   ExpressionParserLocation
@@ -413,8 +401,8 @@ struct GD_CORE_API FunctionCallNode : public FunctionCallOrObjectFunctionNameOrE
  * encountered and any other node could not make sense.
  */
 struct GD_CORE_API EmptyNode : public FunctionCallOrObjectFunctionNameOrEmptyNode {
-  EmptyNode(const gd::String &text_ = "")
-      : FunctionCallOrObjectFunctionNameOrEmptyNode(), text(text_){};
+  EmptyNode(const gd::String &type_, const gd::String &text_ = "")
+      : FunctionCallOrObjectFunctionNameOrEmptyNode(type_), text(text_){};
   virtual ~EmptyNode(){};
   virtual void Visit(ExpressionParser2NodeWorker &worker) {
     worker.OnVisitEmptyNode(*this);

Core/GDCore/Events/Parsers/ExpressionParser2NodePrinter.h

@@ -91,9 +91,6 @@ class GD_CORE_API ExpressionParser2NodePrinter
   }
   void OnVisitIdentifierNode(IdentifierNode& node) override {
     output += node.identifierName;
-    if (!node.childIdentifierName.empty()) {
-      output += "." + node.childIdentifierName;
-    }
   }
   void OnVisitObjectFunctionNameNode(ObjectFunctionNameNode& node) override {
     if (!node.behaviorFunctionName.empty()) {

Core/GDCore/Events/Serialization.cpp

@@ -4,7 +4,6 @@
  * reserved. This project is released under the MIT License.
  */
 #include "GDCore/Events/Serialization.h"
-
 #include "GDCore/CommonTools.h"
 #include "GDCore/Events/Event.h"
 #include "GDCore/Events/EventsList.h"
@@ -184,8 +183,8 @@ void EventsListSerialization::UpdateInstructionsFromGD2x(
     for (std::size_t j = 0;
          j < parameters.size() && j < metadata.parameters.size();
          ++j) {
-      if (metadata.parameters[j].GetType() == "relationalOperator" ||
-          metadata.parameters[j].GetType() == "operator") {
+      if (metadata.parameters[j].type == "relationalOperator" ||
+          metadata.parameters[j].type == "operator") {
         if (j == parameters.size() - 1) {
           std::cout << "ERROR: No more parameters after a [relational]operator "
                        "when trying to update an instruction from GD2.x";
@@ -219,8 +218,8 @@ void EventsListSerialization::UnserializeEventsFrom(
       event = std::make_shared<EmptyEvent>();
     }
 
-    event->SetDisabled(eventElem.GetBoolAttribute("disabled", false));
-    event->SetFolded(eventElem.GetBoolAttribute("folded", false));
+    event->SetDisabled(eventElem.GetBoolAttribute("disabled"));
+    event->SetFolded(eventElem.GetBoolAttribute("folded"));
 
     list.InsertEvent(event, list.GetEventsCount());
   }
@@ -233,9 +232,8 @@ void EventsListSerialization::SerializeEventsTo(const EventsList& list,
     const gd::BaseEvent& event = list.GetEvent(j);
     SerializerElement& eventElem = events.AddChild("event");
 
-    if (event.IsDisabled())
-      eventElem.SetAttribute("disabled", event.IsDisabled());
-    if (event.IsFolded()) eventElem.SetAttribute("folded", event.IsFolded());
+    eventElem.SetAttribute("disabled", event.IsDisabled());
+    eventElem.SetAttribute("folded", event.IsFolded());
     eventElem.AddChild("type").SetValue(event.GetType());
 
     event.SerializeTo(eventElem);
@@ -269,9 +267,6 @@ void gd::EventsListSerialization::UnserializeInstructionsFrom(
         instrElement.GetChild("type", 0, "Type")
             .GetBoolAttribute("inverted", false, "Contraire"));
 
-    instruction.SetAwaited(
-        instrElement.GetChild("type", 0, "Type").GetBoolAttribute("await"));
-
     // Read parameters
     vector<gd::Expression> parameters;
 
@@ -345,12 +340,9 @@ void gd::EventsListSerialization::SerializeInstructionsTo(
   instructions.ConsiderAsArrayOf("instruction");
   for (std::size_t k = 0; k < list.size(); k++) {
     SerializerElement& instruction = instructions.AddChild("instruction");
-    instruction.AddChild("type").SetAttribute("value", list[k].GetType());
-
-    if (list[k].IsInverted())
-      instruction.GetChild("type").SetAttribute("inverted", true);
-    if (list[k].IsAwaited())
-      instruction.GetChild("type").SetAttribute("await", true);
+    instruction.AddChild("type")
+        .SetAttribute("value", list[k].GetType())
+        .SetAttribute("inverted", list[k].IsInverted());
 
     // Parameters
     SerializerElement& parameters = instruction.AddChild("parameters");
@@ -360,10 +352,9 @@ void gd::EventsListSerialization::SerializeInstructionsTo(
           .SetValue(list[k].GetParameter(l).GetPlainString());
 
     // Sub instructions
-    if (!list[k].GetSubInstructions().empty()) {
-      SerializeInstructionsTo(list[k].GetSubInstructions(),
-                              instruction.AddChild("subInstructions"));
-    }
+    SerializerElement& subInstructions =
+        instruction.AddChild("subInstructions");
+    SerializeInstructionsTo(list[k].GetSubInstructions(), subInstructions);
   }
 }
 

Core/GDCore/Extensions/Builtin/AdvancedExtension.cpp

@@ -11,16 +11,25 @@ namespace gd {
 
 void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
     gd::PlatformExtension& extension) {
+  extension.SetExtensionInformation(
+      "BuiltinAdvanced",
+      _("Advanced control features"),
+      _("Advanced control features to be used in events."),
+      "Florian Rival",
+      "Open source (MIT License)");
+
   extension
-      .SetExtensionInformation(
-          "BuiltinAdvanced",
-          _("Event functions"),
-          _("Advanced control features for functions made with events."),
-          "Florian Rival",
-          "Open source (MIT License)")
-      .SetCategory("Advanced");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Event functions"))
-      .SetIcon("res/function32.png");
+      .AddCondition("Toujours",
+                    _("Always"),
+                    _("This condition always returns true (or always false, if "
+                      "the condition is inverted)."),
+                    _("Always"),
+                    _("Other"),
+                    "res/conditions/toujours24.png",
+                    "res/conditions/toujours.png")
+      .SetHelpPath("/all-features/advanced-conditions")
+      .AddCodeOnlyParameter("conditionInverted", "")
+      .MarkAsAdvanced();
 
   extension
       .AddAction(
@@ -29,9 +38,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
           _("Set the return value of the events function to the specified "
             "number (to be used with \"Expression\" functions)."),
           _("Set return value to number _PARAM0_"),
-          "",
-          "res/function32.png",
-          "res/function32.png")
+          _("Functions"),
+          "res/function24.png",
+          "res/function16.png")
       .SetHelpPath("/events/functions/return")
       .AddParameter("expression", "The number to be returned")
       .MarkAsAdvanced();
@@ -43,9 +52,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
           _("Set the return value of the events function to the specified text "
             "(to be used with \"String Expression\" functions)."),
           _("Set return value to text _PARAM0_"),
-          "",
-          "res/function32.png",
-          "res/function32.png")
+          _("Functions"),
+          "res/function24.png",
+          "res/function16.png")
       .SetHelpPath("/events/functions/return")
       .AddParameter("string", "The text to be returned")
       .MarkAsAdvanced();
@@ -56,9 +65,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
                  _("Set the return value of the Condition events function to "
                    "either true (condition will pass) or false."),
                  _("Set return value of the condition to _PARAM0_"),
-                 "",
-                 "res/function32.png",
-                 "res/function32.png")
+                 _("Functions"),
+                 "res/function24.png",
+                 "res/function16.png")
       .SetHelpPath("/events/functions/return")
       .AddParameter("trueorfalse", "Should the condition be true or false?")
       .MarkAsAdvanced();
@@ -71,53 +80,29 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
                       "a string, an empty string is considered as \"false\". "
                       "If it's a number, 0 is considered as \"false\"."),
                     _("Parameter _PARAM0_ is true"),
-                    "",
-                    "res/function32.png",
-                    "res/function32.png")
-      .AddParameter("functionParameterName", "Parameter name")
+                    _("Functions"),
+                    "res/function24.png",
+                    "res/function16.png")
+      .AddParameter("string", "Parameter name")
       .MarkAsAdvanced();
 
   extension
       .AddExpression(
           "GetArgumentAsNumber",
           _("Get function parameter value"),
-          _("Get function parameter (also called \"argument\") value."),
-          "",
+          _("Get function parameter (also called \"argument\") value"),
+          _("Functions"),
           "res/function16.png")
-      .AddParameter("functionParameterName", "Parameter name");
+      .AddParameter("string", "Parameter name");
 
   extension
       .AddStrExpression(
           "GetArgumentAsString",
           _("Get function parameter text"),
-          _("Get function parameter (also called \"argument\") text."),
-          "",
+          _("Get function parameter (also called \"argument\") text "),
+          _("Functions"),
           "res/function16.png")
-      .AddParameter("functionParameterName", "Parameter name");
-
-  extension
-      .AddCondition(
-          "CompareArgumentAsNumber",
-          _("Compare function parameter value"),
-          _("Compare function parameter (also called \"argument\") value."),
-          _("Parameter _PARAM0_"),
-          "",
-          "res/function32.png",
-          "res/function16.png")
-      .AddParameter("functionParameterName", "Parameter name")
-      .UseStandardRelationalOperatorParameters("number");
-
-  extension
-      .AddCondition(
-          "CompareArgumentAsString",
-          _("Compare function parameter text"),
-          _("Compare function parameter (also called \"argument\") text."),
-          _("Parameter _PARAM0_"),
-          "",
-          "res/function32.png",
-          "res/function16.png")
-      .AddParameter("functionParameterName", "Parameter name")
-      .UseStandardRelationalOperatorParameters("string");
+      .AddParameter("string", "Parameter name");
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/AllBuiltinExtensions.h

@@ -15,6 +15,8 @@ namespace gd {
  * so that it provides standards events, objects or instructions of an
  * extension.
  *
+ * TOOD: Usage example.
+ *
  * \ingroup BuiltinExtensions
  */
 class GD_CORE_API BuiltinExtensionsImplementer {
@@ -42,7 +44,6 @@ class GD_CORE_API BuiltinExtensionsImplementer {
   static void ImplementsTimeExtension(gd::PlatformExtension& extension);
   static void ImplementsVariablesExtension(gd::PlatformExtension& extension);
   static void ImplementsWindowExtension(gd::PlatformExtension& extension);
-  static void ImplementsAsyncExtension(gd::PlatformExtension& extension);
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/AsyncExtension.cpp

@@ -1,32 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-#include "AllBuiltinExtensions.h"
-#include "GDCore/Events/Builtin/AsyncEvent.h"
-#include "GDCore/Tools/Localization.h"
-
-using namespace std;
-namespace gd {
-
-void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAsyncExtension(
-    gd::PlatformExtension &extension) {
-  extension
-      .SetExtensionInformation(
-          "BuiltinAsync",
-          _("Async functions"),
-          _("Functions that defer the execution of the events after it."),
-          "Arthur Pacaud (arthuro555)",
-          "Open source (MIT License)")
-      .SetCategory("Advanced");
-
-  extension.AddEvent("Async",
-                     _("Async event"),
-                     _("Internal event for asynchronous actions"),
-                     "",
-                     "res/eventaddicon.png",
-                     std::make_shared<gd::AsyncEvent>());
-}
-
-}  // namespace gd

Core/GDCore/Extensions/Builtin/AudioExtension.cpp

@@ -14,15 +14,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
   extension
       .SetExtensionInformation(
           "BuiltinAudio",
-          _("Sounds and music"),
+          _("Audio"),
           _("GDevelop provides several conditions and actions to play audio "
-            "files. They can be either long music or short sound effects."),
+            "files. They can be either long musics or short sound effects."),
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/audio")
-      .SetCategory("Audio");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Sounds and music"))
-      .SetIcon("res/actions/music24.png");
+      .SetExtensionHelpPath("/all-features/audio");
 
   extension
       .AddAction("PlaySoundCanal",
@@ -31,7 +28,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                    "you'll be able to manipulate it."),
                  _("Play the sound _PARAM1_ on the channel _PARAM2_, vol.: "
                    "_PARAM4_, loop: _PARAM3_"),
-                 _("Sounds on channels"),
+                 _("Audio/Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -52,7 +49,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Stop the sound of a channel"),
                  _("Stop the sound on the specified channel."),
                  _("Stop the sound of channel _PARAM1_"),
-                 _("Sounds on channels"),
+                 _("Audio/Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -64,7 +61,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Pause the sound of a channel"),
                  _("Pause the sound played on the specified channel."),
                  _("Pause the sound of channel _PARAM1_"),
-                 _("Sounds on channels"),
+                 _("Audio/Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -73,10 +70,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
 
   extension
       .AddAction("RePlaySoundCanal",
-                 _("Resume playing a sound on a channel"),
-                 _("Resume playing a sound on a channel that was paused."),
-                 _("Resume the sound of channel _PARAM1_"),
-                 _("Sounds on channels"),
+                 _("Play the sound of a channel"),
+                 _("Play the sound of the channel."),
+                 _("Play the sound of channel _PARAM1_"),
+                 _("Audio/Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -90,7 +87,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                    "able to interact with it later."),
                  _("Play the music _PARAM1_ on channel _PARAM2_, vol.: "
                    "_PARAM4_, loop: _PARAM3_"),
-                 _("Music on channels"),
+                 _("Audio/Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -111,7 +108,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Stop the music on a channel"),
                  _("Stop the music on the specified channel"),
                  _("Stop the music of channel _PARAM1_"),
-                 _("Music on channels"),
+                 _("Audio/Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -123,7 +120,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Pause the music of a channel"),
                  _("Pause the music on the specified channel."),
                  _("Pause the music of channel _PARAM1_"),
-                 _("Music on channels"),
+                 _("Audio/Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -132,10 +129,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
 
   extension
       .AddAction("RePlayMusicCanal",
-                 _("Resume playing a music on a channel"),
-                 _("Resume playing a music on a channel that was paused."),
-                 _("Resume the music of channel _PARAM1_"),
-                 _("Music on channels"),
+                 _("Play the music of a channel"),
+                 _("Play the music of the channel."),
+                 _("Play the music of channel _PARAM1_"),
+                 _("Audio/Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -148,7 +145,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("This action modifies the volume of the sound on the "
                    "specified channel. The volume is between 0 and 100."),
                  _("the volume of the sound on channel _PARAM1_"),
-                 _("Sounds on channels"),
+                 _("Audio/Sounds on channels"),
                  "res/actions/sonVolume24.png",
                  "res/actions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -162,7 +159,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("This action modifies the volume of the music on the "
                    "specified channel. The volume is between 0 and 100."),
                  _("the volume of the music on channel _PARAM1_"),
-                 _("Music on channels"),
+                 _("Audio/Music on channels"),
                  "res/actions/musicVolume24.png",
                  "res/actions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -176,7 +173,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("This action modifies the global volume of the game. The "
                    "volume is between 0 and 100."),
                  _("the global sound level"),
-                 "",
+                 _("Audio"),
                  "res/actions/volume24.png",
                  "res/actions/volume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -189,7 +186,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("This action modifies the pitch (speed) of the sound on a "
                    "channel.\n1 is the default pitch."),
                  _("the pitch of the sound on channel _PARAM1_"),
-                 _("Sounds on channels"),
+                 _("Audio/Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -203,7 +200,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("This action modifies the pitch of the music on the "
                    "specified channel. 1 is the default pitch"),
                  _("the pitch of the music on channel _PARAM1_"),
-                 _("Music on channels"),
+                 _("Audio/Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -217,7 +214,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("This action modifies the playing offset of the sound on a "
                    "channel"),
                  _("the playing offset of the sound on channel _PARAM1_"),
-                 _("Sounds on channels"),
+                 _("Audio/Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -231,7 +228,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("This action modifies the playing offset of the music on "
                    "the specified channel"),
                  _("the playing offset of the music on channel _PARAM1_"),
-                 _("Music on channels"),
+                 _("Audio/Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -244,7 +241,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Play a sound"),
                  _("Play a sound."),
                  _("Play the sound _PARAM1_, vol.: _PARAM3_, loop: _PARAM2_"),
-                 "",
+                 _("Audio"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -264,7 +261,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Play a music file"),
                  _("Play a music file."),
                  _("Play the music _PARAM1_, vol.: _PARAM3_, loop: _PARAM2_"),
-                 "",
+                 _("Audio"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -284,7 +281,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Preload a music file"),
                  _("Preload a music file in memory."),
                  _("Preload the music file _PARAM1_"),
-                 _("Loading"),
+                 _("Audio/Loading"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -296,7 +293,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Preload a sound file"),
                  _("Preload a sound file in memory."),
                  _("Preload the sound file _PARAM1_"),
-                 _("Loading"),
+                 _("Audio/Loading"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -304,80 +301,55 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
       .MarkAsComplex();
 
   extension
-      .AddAction(
-          "UnloadMusic",
-          _("Unload a music file"),
-          _("Unload a music file from memory. "
-            "Unloading a music file will cause any music playing it to stop."),
-          _("Unload the music file _PARAM1_"),
-          _("Loading"),
-          "res/actions/music24.png",
-          "res/actions/music.png")
+      .AddAction("UnloadMusic",
+                 _("Unload a music file"),
+                 _(
+                    "Unload a music file from memory. "
+                    "Unloading a music file will cause any music playing it to stop."
+                  ),
+                 _("Unload the music file _PARAM1_"),
+                 _("Audio/Loading"),
+                 "res/actions/music24.png",
+                 "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("musicfile", _("Audio file (or audio resource name)"))
       .MarkAsComplex();
 
   extension
-      .AddAction(
-          "UnloadSound",
-          _("Unload a sound file"),
-          _("Unload a sound file from memory. "
-            "Unloading a sound file will cause any sounds playing it to stop."),
-          _("Unload the sound file _PARAM1_"),
-          _("Loading"),
-          "res/actions/son24.png",
-          "res/actions/son.png")
+      .AddAction("UnloadSound",
+                 _("Unload a sound file"),
+                 _(
+                    "Unload a sound file from memory. "
+                    "Unloading a sound file will cause any sounds playing it to stop."
+                  ),
+                 _("Unload the sound file _PARAM1_"),
+                 _("Audio/Loading"),
+                 "res/actions/son24.png",
+                 "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("soundfile", _("Sound file (or sound resource name)"))
       .MarkAsComplex();
 
   extension
-      .AddAction(
-          "UnloadAllAudio",
-          _("Unload all audio"),
-          _("Unload all the audio in memory. "
-            "This will cause every sound and music of the game to stop."),
-          _("Unload all audio files"),
-          _("Loading"),
-          "res/actions/music24.png",
-          "res/actions/music.png")
+      .AddAction("UnloadAllAudio",
+                 _("Unload all audio"),
+                 _(
+                   "Unload all the audio in memory. "
+                   "This will cause every sound and music of the game to stop."
+                  ),
+                 _("Unload all audio files"),
+                 _("Audio/Loading"),
+                 "res/actions/music24.png",
+                 "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
       .MarkAsComplex();
-  extension
-      .AddAction(
-          "FadeSoundVolume",
-          _("Fade the volume of a sound played on a channel."),
-          _("Fade the volume of a sound played on a channel to the specified volume within the specified duration."),
-          _("Fade the sound on channel _PARAM1_ to volume _PARAM2_ within _PARAM3_ seconds"),
-          _("Sounds on channels"),
-          "res/actions/son24.png",
-          "res/actions/son.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("expression", _("Channel identifier"))
-      .AddParameter("expression", _("Final volume (0-100)"))
-      .AddParameter("expression", _("Fading time in seconds"))
-      .MarkAsAdvanced();
-  extension
-      .AddAction(
-          "FadeMusicVolume",
-          _("Fade the volume of a music played on a channel."),
-          _("Fade the volume of a music played on a channel to the specified volume within the specified duration."),
-          _("Fade the music on channel _PARAM1_ to volume _PARAM2_ within _PARAM3_ seconds"),
-          _("Music on channels"),
-          "res/actions/music24.png",
-          "res/actions/music.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("expression", _("Channel identifier"))
-      .AddParameter("expression", _("Final volume (0-100)"))
-      .AddParameter("expression", _("Fading time in seconds"))
-      .MarkAsAdvanced();
 
   extension
       .AddCondition("MusicPlaying",
                     _("A music file is being played"),
                     _("Test if the music on a channel is being played"),
                     _("Music on channel _PARAM1_ is being played"),
-                    _("Music on channels"),
+                    _("Audio/Music on channels"),
                     "res/conditions/musicplaying24.png",
                     "res/conditions/musicplaying.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -389,7 +361,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                     _("A music file is paused"),
                     _("Test if the music on the specified channel is paused."),
                     _("Music on channel _PARAM1_ is paused"),
-                    _("Music on channels"),
+                    _("Audio/Music on channels"),
                     "res/conditions/musicpaused24.png",
                     "res/conditions/musicpaused.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -401,7 +373,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                     _("A music file is stopped"),
                     _("Test if the music on the specified channel is stopped."),
                     _("Music on channel _PARAM1_ is stopped"),
-                    _("Music on channels"),
+                    _("Audio/Music on channels"),
                     "res/conditions/musicstopped24.png",
                     "res/conditions/musicstopped.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -413,7 +385,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                     _("A sound is being played"),
                     _("Test if the sound on a channel is being played."),
                     _("Sound on channel _PARAM1_ is being played"),
-                    _("Sounds on channels"),
+                    _("Audio/Sounds on channels"),
                     "res/conditions/sonplaying24.png",
                     "res/conditions/sonplaying.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -425,7 +397,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                     _("A sound is paused"),
                     _("Test if the sound on the specified channel is paused."),
                     _("Sound on channel _PARAM1_ is paused"),
-                    _("Sounds on channels"),
+                    _("Audio/Sounds on channels"),
                     "res/conditions/sonpaused24.png",
                     "res/conditions/sonpaused.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -437,7 +409,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                     _("A sound is stopped"),
                     _("Test if the sound on the specified channel is stopped."),
                     _("Sound on channel _PARAM1_ is stopped"),
-                    _("Sounds on channels"),
+                    _("Audio/Sounds on channels"),
                     "res/conditions/sonstopped24.png",
                     "res/conditions/sonstopped.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -451,7 +423,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
           _("Test the volume of the sound on the specified channel. The volume "
             "is between 0 and 100."),
           _("the volume of the sound on channel _PARAM1_"),
-          _("Sounds on channels"),
+          _("Audio/Sounds on channels"),
           "res/conditions/sonVolume24.png",
           "res/conditions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -466,7 +438,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
           _("Test the volume of the music on a specified channel. The volume "
             "is between 0 and 100."),
           _("the volume of the music on channel _PARAM1_"),
-          _("Music on channels"),
+          _("Audio/Music on channels"),
           "res/conditions/musicVolume24.png",
           "res/conditions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -480,7 +452,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
           _("Global volume"),
           _("Test the global sound level. The volume is between 0 and 100."),
           _("the global game volume"),
-          "",
+          _("Audio"),
           "res/conditions/volume24.png",
           "res/conditions/volume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -493,7 +465,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
           _("Test the pitch of the sound on the specified channel. 1 is the "
             "default pitch."),
           _("the pitch of the sound on channel _PARAM1_"),
-          _("Sounds on channels"),
+          _("Audio/Sounds on channels"),
           "res/conditions/sonVolume24.png",
           "res/conditions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -508,7 +480,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
           _("Test the pitch (speed) of the music on a specified channel. 1 is "
             "the default pitch."),
           _("the pitch of the music on channel _PARAM1_"),
-          _("Music on channels"),
+          _("Audio/Music on channels"),
           "res/conditions/musicVolume24.png",
           "res/conditions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -522,7 +494,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
           _("Playing offset of the sound on a channel"),
           _("Test the playing offset of the sound on the specified channel."),
           _("the playing offset of the sound on channel _PARAM1_"),
-          _("Sounds on channels"),
+          _("Audio/Sounds on channels"),
           "res/conditions/sonVolume24.png",
           "res/conditions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -536,7 +508,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
           _("Playing offset of the music on a channel"),
           _("Test the playing offset of the music on the specified channel."),
           _("the playing offset of the music on channel _PARAM1_"),
-          _("Music on channels"),
+          _("Audio/Music on channels"),
           "res/conditions/musicVolume24.png",
           "res/conditions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -605,6 +577,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                      _("Sound level"),
                      "res/conditions/volume.png")
       .AddCodeOnlyParameter("currentScene", "");
+
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/BaseObjectExtension.cpp

@@ -4,9 +4,9 @@
  * reserved. This project is released under the MIT License.
  */
 #include "AllBuiltinExtensions.h"
-#include "GDCore/Extensions/Metadata/MultipleInstructionMetadata.h"
 #include "GDCore/Project/Object.h"
 #include "GDCore/Tools/Localization.h"
+#include "GDCore/Extensions/Metadata/MultipleInstructionMetadata.h"
 
 using namespace std;
 namespace gd {
@@ -16,19 +16,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
   extension
       .SetExtensionInformation(
           "BuiltinObject",
-          _("Objects"),
+          _("Features for all objects"),
           _("Common features that can be used for all objects in GDevelop."),
           "Florian Rival",
           "Open source (MIT License)")
       .SetExtensionHelpPath("/objects/base_object/events");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Collision"))
-      .SetIcon("res/conditions/collision24.png");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Objects"))
-      .SetIcon("res/actions/create24.png");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Movement using forces"))
-      .SetIcon("res/actions/force24.png");
 
-  gd::ObjectMetadata& obj = extension.AddObject<gd::ObjectConfiguration>(
+  gd::ObjectMetadata& obj = extension.AddObject<gd::Object>(
       "", _("Base object"), _("Base object"), "res/objeticon24.png");
 
   obj.AddCondition("PosX",
@@ -36,8 +30,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    _("Compare the X position of the object."),
                    _("the X position"),
                    _("Position"),
-                   "res/conditions/position24_black.png",
-                   "res/conditions/position_black.png")
+                   "res/conditions/position24.png",
+                   "res/conditions/position.png")
 
       .AddParameter("object", _("Object"))
       .UseStandardRelationalOperatorParameters("number")
@@ -48,8 +42,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Change the X position of an object."),
                 _("the X position"),
                 _("Position"),
-                "res/actions/position24_black.png",
-                "res/actions/position_black.png")
+                "res/actions/position24.png",
+                "res/actions/position.png")
 
       .AddParameter("object", _("Object"))
       .UseStandardOperatorParameters("number")
@@ -60,8 +54,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    _("Compare the Y position of an object."),
                    _("the Y position"),
                    _("Position"),
-                   "res/conditions/position24_black.png",
-                   "res/conditions/position_black.png")
+                   "res/conditions/position24.png",
+                   "res/conditions/position.png")
 
       .AddParameter("object", _("Object"))
       .UseStandardRelationalOperatorParameters("number")
@@ -72,8 +66,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Change the Y position of an object."),
                 _("the Y position"),
                 _("Position"),
-                "res/actions/position24_black.png",
-                "res/actions/position_black.png")
+                "res/actions/position24.png",
+                "res/actions/position.png")
 
       .AddParameter("object", _("Object"))
       .UseStandardOperatorParameters("number")
@@ -85,8 +79,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Change the position of _PARAM0_: _PARAM1_ _PARAM2_ (x "
                   "axis), _PARAM3_ _PARAM4_ (y axis)"),
                 _("Position"),
-                "res/actions/position24_black.png",
-                "res/actions/position_black.png")
+                "res/actions/position24.png",
+                "res/actions/position.png")
 
       .AddParameter("object", _("Object"))
       .AddParameter("operator", _("Modification's sign"), "number")
@@ -98,12 +92,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
   obj.AddAction("SetCenter",
                 _("Center position"),
                 _("Change the position of an object, using its center."),
-                _("Change the position of the center of _PARAM0_: _PARAM1_ "
-                  "_PARAM2_ (x "
+                _("Change the position of the center of _PARAM0_: _PARAM1_ _PARAM2_ (x "
                   "axis), _PARAM3_ _PARAM4_ (y axis)"),
                 _("Position/Center"),
-                "res/actions/position24_black.png",
-                "res/actions/position_black.png")
+                "res/actions/position24.png",
+                "res/actions/position.png")
       .AddParameter("object", _("Object"))
       .AddParameter("operator", _("Modification's sign"), "number")
       .AddParameter("expression", _("X position"))
@@ -111,91 +104,75 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("expression", _("Y position"))
       .MarkAsSimple();
 
-  obj.AddExpressionAndConditionAndAction(
-         "number",
-         "CenterX",
-         _("Center X position"),
-         _("the X position of the center of rotation"),
-         _("the X position of the center"),
-         _("Position/Center"),
-         "res/actions/position24_black.png")
+  obj.AddExpressionAndConditionAndAction("number", "CenterX",
+          _("Center X position"),
+          _("the X position of the center of rotation"),
+          _("the X position of the center"),
+          _("Position/Center"),
+          "res/actions/position24.png")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
-  obj.AddExpressionAndConditionAndAction(
-         "number",
-         "CenterY",
-         _("Center Y position"),
-         _("the Y position of the center of rotation"),
-         _("the Y position of the center"),
-         _("Position/Center"),
-         "res/actions/position24_black.png")
+  obj.AddExpressionAndConditionAndAction("number", "CenterY",
+          _("Center Y position"),
+          _("the Y position of the center of rotation"),
+          _("the Y position of the center"),
+          _("Position/Center"),
+          "res/actions/position24.png")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
-  obj.AddExpressionAndCondition("number",
-                                "BoundingBoxLeft",
-                                _("Bounding box left position"),
-                                _("the bounding box (the area encapsulating "
-                                  "the object) left position"),
-                                _("the bounding box left position"),
-                                _("Position/Bounding Box"),
-                                "res/conditions/bounding-box-left_black.svg")
+  obj.AddExpressionAndCondition("number", "BoundingBoxLeft",
+          _("Bounding box left position"),
+          _("the bounding box (the area encapsulating the object) left position"),
+          _("the bounding box left position"),
+          _("Position/Bounding Box"),
+          "res/conditions/bounding-box-left.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
-  obj.AddExpressionAndCondition(
-         "number",
-         "BoundingBoxTop",
-         _("Bounding box top position"),
-         _("the bounding box (the area encapsulating the object) top position"),
-         _("the bounding box top position"),
-         _("Position/Bounding Box"),
-         "res/conditions/bounding-box-top_black.svg")
+  obj.AddExpressionAndCondition("number", "BoundingBoxTop",
+          _("Bounding box top position"),
+          _("the bounding box (the area encapsulating the object) top position"),
+          _("the bounding box top position"),
+          _("Position/Bounding Box"),
+          "res/conditions/bounding-box-top.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
-  obj.AddExpressionAndCondition("number",
-                                "BoundingBoxRight",
-                                _("Bounding box right position"),
-                                _("the bounding box (the area encapsulating "
-                                  "the object) right position"),
-                                _("the bounding box right position"),
-                                _("Position/Bounding Box"),
-                                "res/conditions/bounding-box-right_black.svg")
+  obj.AddExpressionAndCondition("number", "BoundingBoxRight",
+          _("Bounding box right position"),
+          _("the bounding box (the area encapsulating the object) right position"),
+          _("the bounding box right position"),
+          _("Position/Bounding Box"),
+          "res/conditions/bounding-box-right.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
-  obj.AddExpressionAndCondition("number",
-                                "BoundingBoxBottom",
-                                _("Bounding box bottom position"),
-                                _("the bounding box (the area encapsulating "
-                                  "the object) bottom position"),
-                                _("the bounding box bottom position"),
-                                _("Position/Bounding Box"),
-                                "res/conditions/bounding-box-bottom_black.svg")
+  obj.AddExpressionAndCondition("number", "BoundingBoxBottom",
+          _("Bounding box bottom position"),
+          _("the bounding box (the area encapsulating the object) bottom position"),
+          _("the bounding box bottom position"),
+          _("Position/Bounding Box"),
+          "res/conditions/bounding-box-bottom.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
-  obj.AddExpressionAndCondition("number",
-                                "BoundingBoxCenterX",
-                                _("Bounding box center X position"),
-                                _("the bounding box (the area encapsulating "
-                                  "the object) center X position"),
-                                _("the bounding box center X position"),
-                                _("Position/Bounding Box"),
-                                "res/conditions/bounding-box-center_black.svg")
+  obj.AddExpressionAndCondition("number", "BoundingBoxCenterX",
+          _("Bounding box center X position"),
+          _("the bounding box (the area encapsulating the object) center X position"),
+          _("the bounding box center X position"),
+          _("Position/Bounding Box"),
+          "res/conditions/bounding-box-center.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
-  obj.AddExpressionAndCondition("number",
-                                "BoundingBoxCenterY",
-                                _("Bounding box center Y position"),
-                                _("the bounding box (the area encapsulating "
-                                  "the object) center Y position"),
-                                _("the bounding box center Y position"),
-                                _("Position/Bounding Box"),
-                                "res/conditions/bounding-box-center_black.svg")
+  obj.AddExpressionAndCondition("number", "BoundingBoxCenterY",
+          _("Bounding box center Y position"),
+          _("the bounding box (the area encapsulating the object) center Y position"),
+          _("the bounding box center Y position"),
+          _("Position/Bounding Box"),
+          "res/conditions/bounding-box-center.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number");
 
@@ -219,11 +196,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
 
   obj.AddAction("SetAngle",
                 _("Angle"),
-                _("Change the angle of rotation of an object (in degrees)."),
+                _("Change the angle of rotation of an object."),
                 _("the angle"),
                 _("Angle"),
-                "res/actions/direction24_black.png",
-                "res/actions/direction_black.png")
+                "res/actions/direction24.png",
+                "res/actions/direction.png")
 
       .AddParameter("object", _("Object"))
       .UseStandardOperatorParameters("number");
@@ -234,8 +211,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                   "counterclockwise otherwise."),
                 _("Rotate _PARAM0_ at speed _PARAM1_ deg/second"),
                 _("Angle"),
-                "res/actions/rotate24_black.png",
-                "res/actions/rotate_black.png")
+                "res/actions/direction24.png",
+                "res/actions/direction.png")
 
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angular speed (in degrees per second)"))
@@ -248,8 +225,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Rotate an object towards an angle with the specified speed."),
          _("Rotate _PARAM0_ towards _PARAM1_ at speed _PARAM2_ deg/second"),
          _("Angle"),
-         "res/actions/rotate24_black.png",
-         "res/actions/rotate_black.png")
+         "res/actions/direction24.png",
+         "res/actions/direction.png")
 
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle to rotate towards (in degrees)"))
@@ -264,8 +241,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Rotate _PARAM0_ towards _PARAM1_;_PARAM2_ at speed "
            "_PARAM3_ deg/second"),
          _("Angle"),
-         "res/actions/rotate24_black.png",
-         "res/actions/rotate_black.png")
+         "res/actions/direction24.png",
+         "res/actions/direction.png")
 
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("X position"))
@@ -289,8 +266,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Speed on X axis (in pixels per second)"))
       .AddParameter("expression", _("Speed on Y axis (in pixels per second)"))
-      .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
-      .SetDefaultValue("0");
+      .AddParameter("forceMultiplier", _("Force multiplier"));
 
   obj.AddAction("AddForceAL",
                 _("Add a force (angle)"),
@@ -306,16 +282,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle"))
       .AddParameter("expression", _("Speed (in pixels per second)"))
-      .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
-      .SetDefaultValue("0")
+      .AddParameter("forceMultiplier", _("Force multiplier"))
       .MarkAsAdvanced();
 
   obj.AddAction(
          "AddForceVersPos",
          _("Add a force to move toward a position"),
          _("Add a force to an object to make it move toward a position."),
-         _("Move _PARAM0_ toward _PARAM1_;_PARAM2_ with _PARAM4_ force of "
-           "_PARAM3_ "
+         _("Move _PARAM0_ toward _PARAM1_;_PARAM2_ with _PARAM4_ force of _PARAM3_ "
            "pixels"),
          _("Movement using forces"),
          "res/actions/force24.png",
@@ -325,19 +299,18 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("expression", _("X position"))
       .AddParameter("expression", _("Y position"))
       .AddParameter("expression", _("Speed (in pixels per second)"))
-      .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
-      .SetDefaultValue("0")
+      .AddParameter("forceMultiplier", _("Force multiplier"))
       .MarkAsAdvanced();
 
   obj.AddAction(
          "AddForceTournePos",
          "Add a force to move around a position",
          "Add a force to an object to make it rotate around a "
-         "position.\nNote that the movement is not precise, especially if "
-         "the speed is high.\nTo position an object around a position more "
-         "precisely, use the actions in the category \"Position\".",
+           "position.\nNote that the movement is not precise, especially if "
+           "the speed is high.\nTo position an object around a position more "
+           "precisely, use the actions in the category \"Position\".",
          "Rotate _PARAM0_ around _PARAM1_;_PARAM2_ at _PARAM3_ deg/sec and "
-         "_PARAM4_ pixels away",
+           "_PARAM4_ pixels away",
          _("Movement using forces"),
          "res/actions/forceTourne24.png",
          "res/actions/forceTourne.png")
@@ -393,7 +366,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 "res/actions/layer.png")
 
       .AddParameter("object", _("Object"))
-      .AddParameter("layer", _("Move it to this layer"))
+      .AddParameter("layer", _("Move it to this layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .MarkAsAdvanced();
 
@@ -512,8 +485,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    _("Compare the angle of the specified object."),
                    _("the angle (in degrees)"),
                    _("Angle"),
-                   "res/conditions/direction24_black.png",
-                   "res/conditions/direction_black.png")
+                   "res/conditions/direction24.png",
+                   "res/conditions/direction.png")
 
       .AddParameter("object", _("Object"))
       .UseStandardRelationalOperatorParameters("number")
@@ -590,8 +563,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
 
   obj.AddCondition("AngleOfDisplacement",
                    _("Angle of movement (using forces)"),
-                   _("Compare the angle of movement of an object according to "
-                     "the forces applied on it."),
+                   _("Compare the angle of movement of an object according to the forces applied on it."),
                    _("Angle of movement of _PARAM0_ is _PARAM1_ (tolerance"
                      ": _PARAM2_ degrees)"),
                    _("Movement using forces"),
@@ -747,20 +719,19 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("yesorno", _("Activate?"))
       .MarkAsAdvanced();
 
-  obj.AddAction("AddForceVers",
-                _("Add a force to move toward an object"),
-                _("Add a force to an object to make it move toward another."),
-                _("Move _PARAM0_ toward _PARAM1_ with _PARAM3_ force of "
-                  "_PARAM2_ pixels"),
-                _("Movement using forces"),
-                "res/actions/forceVers24.png",
-                "res/actions/forceVers.png")
+  obj.AddAction(
+         "AddForceVers",
+         _("Add a force to move toward an object"),
+         _("Add a force to an object to make it move toward another."),
+         _("Move _PARAM0_ toward _PARAM1_ with _PARAM3_ force of _PARAM2_ pixels"),
+         _("Movement using forces"),
+         "res/actions/forceVers24.png",
+         "res/actions/forceVers.png")
 
       .AddParameter("object", _("Object"))
       .AddParameter("objectPtr", _("Target Object"))
       .AddParameter("expression", _("Speed (in pixels per second)"))
-      .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
-      .SetDefaultValue("0")
+      .AddParameter("forceMultiplier", _("Force multiplier"))
       .MarkAsAdvanced();
 
   obj.AddAction(
@@ -780,8 +751,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectPtr", _("Rotate around this object"))
       .AddParameter("expression", _("Speed (in degrees per second)"))
       .AddParameter("expression", _("Distance (in pixels)"))
-      .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
-      .SetDefaultValue("0")
+      .AddParameter("forceMultiplier", _("Force multiplier"))
       .MarkAsAdvanced();
 
   obj.AddAction("MettreAutour",
@@ -876,7 +846,6 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddCodeOnlyParameter("conditionInverted", "")
       .MarkAsSimple();
 
-  // Deprecated and replaced by CompareObjectTimer
   obj.AddCondition(
          "ObjectTimer",
          _("Value of an object timer"),
@@ -886,24 +855,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          "res/conditions/timer24.png",
          "res/conditions/timer.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer")
-      .AddParameter("expression", _("Time in seconds"))
-      .SetHidden();
-
-  obj.AddCondition(
-         "CompareObjectTimer",
-         _("Value of an object timer"),
-         _("Compare the elapsed time of an object timer. This condition "
-           "doesn't start the timer."),
-         _("The timer _PARAM1_ of _PARAM0_ _PARAM2_ _PARAM3_ seconds"),
-         _("Timers"),
-         "res/conditions/timer24.png",
-         "res/conditions/timer.png")
-      .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer")
-      .AddParameter("relationalOperator", _("Sign of the test"), "time")
-      .AddParameter("expression", _("Time in seconds"))
-      .SetManipulatedType("number");
+      .AddParameter("string", _("Timer's name"))
+      .AddParameter("expression", _("Time in seconds"));
 
   obj.AddCondition("ObjectTimerPaused",
                    _("Object timer paused"),
@@ -913,20 +866,19 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    "res/conditions/timerPaused24.png",
                    "res/conditions/timerPaused.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
-  obj.AddAction(
-         "ResetObjectTimer",
-         _("Start (or reset) an object timer"),
-         _("Reset the specified object timer, if the timer doesn't exist "
-           "it's created and started."),
-         _("Start (or reset) the timer _PARAM1_ of _PARAM0_"),
-         _("Timers"),
-         "res/actions/timer24.png",
-         "res/actions/timer.png")
+  obj.AddAction("ResetObjectTimer",
+                _("Start (or reset) an object timer"),
+                _("Reset the specified object timer, if the timer doesn't exist "
+                  "it's created and started."),
+                _("Reset the timer _PARAM1_ of _PARAM0_"),
+                _("Timers"),
+                "res/actions/timer24.png",
+                "res/actions/timer.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer");
+      .AddParameter("string", _("Timer's name"));
 
   obj.AddAction("PauseObjectTimer",
                 _("Pause an object timer"),
@@ -936,7 +888,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 "res/actions/pauseTimer24.png",
                 "res/actions/pauseTimer.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
   obj.AddAction("UnPauseObjectTimer",
@@ -947,7 +899,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 "res/actions/unPauseTimer24.png",
                 "res/actions/unPauseTimer.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
   obj.AddAction("RemoveObjectTimer",
@@ -958,28 +910,28 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 "res/actions/timer24.png",
                 "res/actions/timer.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
   obj.AddExpression("X",
                     _("X position"),
                     _("X position of the object"),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .AddParameter("object", _("Object"));
 
   obj.AddExpression("Y",
                     _("Y position"),
                     _("Y position of the object"),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .AddParameter("object", _("Object"));
 
   obj.AddExpression("Angle",
                     _("Angle"),
                     _("Current angle, in degrees, of the object"),
                     _("Angle"),
-                    "res/actions/direction_black.png")
+                    "res/actions/direction.png")
       .AddParameter("object", _("Object"));
 
   obj.AddExpression("ForceX",
@@ -998,7 +950,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
 
   obj.AddExpression("ForceAngle",
                     _("Angle of the sum of forces"),
-                    _("Angle of the sum of forces (in degrees)"),
+                    _("Angle of the sum of forces"),
                     _("Movement using forces"),
                     "res/actions/force.png")
       .AddParameter("object", _("Object"));
@@ -1022,14 +974,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     _("Width"),
                     _("Width of the object"),
                     _("Size"),
-                    "res/actions/scaleWidth_black.png")
+                    "res/actions/scaleWidth.png")
       .AddParameter("object", _("Object"));
 
   obj.AddExpression("Largeur",
                     _("Width"),
                     _("Width of the object"),
                     _("Size"),
-                    "res/actions/scaleWidth_black.png")
+                    "res/actions/scaleWidth.png")
       .AddParameter("object", _("Object"))
       .SetHidden();
 
@@ -1037,14 +989,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     _("Height"),
                     _("Height of the object"),
                     _("Size"),
-                    "res/actions/scaleHeight_black.png")
+                    "res/actions/scaleHeight.png")
       .AddParameter("object", _("Object"));
 
   obj.AddExpression("Hauteur",
                     _("Height"),
                     _("Height of the object"),
                     _("Size"),
-                    "res/actions/scaleHeight_black.png")
+                    "res/actions/scaleHeight.png")
       .AddParameter("object", _("Object"))
       .SetHidden();
 
@@ -1098,7 +1050,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("expression", _("Target Y position"));
 
   obj.AddExpression("Variable",
-                    _("Value of an object variable"),
+                    _("Object variable"),
                     _("Value of an object variable"),
                     _("Variables"),
                     "res/actions/var.png")
@@ -1114,7 +1066,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"));
 
   obj.AddStrExpression("VariableString",
-                       _("Text of an object variable"),
+                       _("Object variable"),
                        _("Text of an object variable"),
                        _("Variables"),
                        "res/actions/var.png")
@@ -1127,38 +1079,37 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     _("Object timers"),
                     "res/actions/time.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer");
+      .AddParameter("string", _("Timer's name"));
 
   obj.AddExpression("AngleToObject",
                     _("Angle between two objects"),
-                    _("Compute the angle between two objects (in degrees). "
-                      "If you need the angle to an arbitrary position, "
-                      "use AngleToPosition."),
+                    _("Compute the angle between two objects. If you need the "
+                      "angle to an arbitrary position, use AngleToPosition."),
                     _("Angle"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectPtr", _("Object"));
 
-  obj.AddExpression("XFromAngleAndDistance",
+   obj.AddExpression("XFromAngleAndDistance",
                     _("X position from angle and distance"),
                     _("Compute the X position when given an angle and distance "
                       "relative to the starting object. This is also known as "
                       "getting the cartesian coordinates of a 2D vector, using "
                       "its polar coordinates."),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle, in degrees"))
       .AddParameter("expression", _("Distance"));
 
-  obj.AddExpression("YFromAngleAndDistance",
+   obj.AddExpression("YFromAngleAndDistance",
                     _("Y position from angle and distance"),
                     _("Compute the Y position when given an angle and distance "
                       "relative to the starting object. This is also known as "
                       "getting the cartesian coordinates of a 2D vector, using "
                       "its polar coordinates."),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle, in degrees"))
       .AddParameter("expression", _("Distance"));
@@ -1166,10 +1117,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
   obj.AddExpression("AngleToPosition",
                     _("Angle between an object and a position"),
                     _("Compute the angle between the object center and a "
-                      "\"target\" position (in degrees). If you need the angle "
-                      "between two objects, use AngleToObject."),
+                      "\"target\" position. If you need the angle between two "
+                      "objects, use AngleToObject."),
                     _("Angle"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Target X position"))
       .AddParameter("expression", _("Target Y position"));
@@ -1184,14 +1135,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("yesorno", _("Enable?"))
-      .MarkAsSimple()
-      .SetRequiresBaseObjectCapability("effect");
+      .MarkAsSimple();
 
   obj.AddAction("SetEffectDoubleParameter",
                 _("Effect parameter (number)"),
                 _("Change the value of a parameter of an effect.") + "\n" +
-                    _("You can find the parameter names (and change the effect "
-                      "names) in the effects window."),
+                  _("You can find the parameter names (and change the effect "
+                    "names) in the effects window."),
                 _("Set _PARAM2_ to _PARAM3_ for effect _PARAM1_ of _PARAM0_"),
                 _("Effects"),
                 "res/actions/effect24.png",
@@ -1200,15 +1150,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("objectEffectParameterName", _("Parameter name"))
       .AddParameter("expression", _("New value"))
-      .MarkAsSimple()
-      .SetRequiresBaseObjectCapability("effect");
+      .MarkAsSimple();
 
   obj.AddAction("SetEffectStringParameter",
                 _("Effect parameter (string)"),
-                _("Change the value (string) of a parameter of an effect.") +
-                    "\n" +
-                    _("You can find the parameter names (and change the effect "
-                      "names) in the effects window."),
+                _("Change the value (string) of a parameter of an effect.") + "\n" +
+                  _("You can find the parameter names (and change the effect "
+                    "names) in the effects window."),
                 _("Set _PARAM2_ to _PARAM3_ for effect _PARAM1_ of _PARAM0_"),
                 _("Effects"),
                 "res/actions/effect24.png",
@@ -1217,14 +1165,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("objectEffectParameterName", _("Parameter name"))
       .AddParameter("string", _("New value"))
-      .MarkAsSimple()
-      .SetRequiresBaseObjectCapability("effect");
+      .MarkAsSimple();
 
   obj.AddAction("SetEffectBooleanParameter",
                 _("Effect parameter (enable or disable)"),
                 _("Enable or disable a parameter of an effect.") + "\n" +
-                    _("You can find the parameter names (and change the effect "
-                      "names) in the effects window."),
+                  _("You can find the parameter names (and change the effect "
+                    "names) in the effects window."),
                 _("Enable _PARAM2_ for effect _PARAM1_ of _PARAM0_: _PARAM3_"),
                 _("Effects"),
                 "res/actions/effect24.png",
@@ -1233,32 +1180,29 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("objectEffectParameterName", _("Parameter name"))
       .AddParameter("yesorno", _("Enable?"))
-      .MarkAsSimple()
-      .SetRequiresBaseObjectCapability("effect");
+      .MarkAsSimple();
 
   obj.AddCondition("IsEffectEnabled",
-                   _("Effect is enabled"),
-                   _("Check if the effect on an object is enabled."),
-                   _("Effect _PARAM1_ of _PARAM0_ is enabled"),
-                   _("Effects"),
-                   "res/actions/effect24.png",
-                   "res/actions/effect.png")
+                  _("Effect is enabled"),
+                  _("Check if the effect on an object is enabled."),
+                  _("Effect _PARAM1_ of _PARAM0_ is enabled"),
+                  _("Effects"),
+                  "res/actions/effect24.png",
+                  "res/actions/effect.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectEffectName", _("Effect name"))
-      .MarkAsSimple()
-      .SetRequiresBaseObjectCapability("effect");
+      .MarkAsSimple();
 
   extension
       .AddAction("Create",
                  _("Create an object"),
                  _("Create an object at specified position"),
-                 _("Create object _PARAM1_ at position _PARAM2_;_PARAM3_ "
-                   "(layer: _PARAM4_)"),
-                 "",
+                 _("Create object _PARAM1_ at position _PARAM2_;_PARAM3_ (layer: _PARAM4_)"),
+                 _("Objects"),
                  "res/actions/create24.png",
-                 "res/actions/create24.png")
+                 "res/actions/create.png")
       .AddCodeOnlyParameter("objectsContext", "")
-      .AddParameter("objectListOrEmptyIfJustDeclared", _("Object to create"))
+      .AddParameter("objectListWithoutPicking", _("Object to create"))
       .AddParameter("expression", _("X position"))
       .AddParameter("expression", _("Y position"))
       .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
@@ -1272,11 +1216,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    "create the object with the specified name."),
                  _("Among objects _PARAM1_, create object named _PARAM2_ at "
                    "position _PARAM3_;_PARAM4_ (layer: _PARAM5_)"),
-                 "",
+                 _("Objects"),
                  "res/actions/create24.png",
-                 "res/actions/create24.png")
+                 "res/actions/create.png")
       .AddCodeOnlyParameter("objectsContext", "")
-      .AddParameter("objectListOrEmptyIfJustDeclared", _("Group of potential objects"))
+      .AddParameter("objectListWithoutPicking", _("Group of potential objects"))
       .SetParameterLongDescription(
           _("Group containing objects that can be created by the action."))
       .AddParameter("string", _("Name of the object to create"))
@@ -1424,40 +1368,17 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
           "res/conditions/nbObjet.png")
       .AddParameter("objectList", _("Object"))
       .UseStandardRelationalOperatorParameters("number")
-      .MarkAsSimple()
-      .SetHidden();
-
-  extension.AddExpressionAndCondition(
-      "number",
-      "SceneInstancesCount",
-      _("Number of object instances on the scene"),
-      _("the number of instances of the specified objects living on the scene"),
-      _("the number of _PARAM1_ living on the scene"),
-      _("Objects"),
-      "res/conditions/nbObjet24.png")
-    .AddCodeOnlyParameter("objectsContext", "")
-    .AddParameter("objectListOrEmptyWithoutPicking", _("Object"))
-    .UseStandardParameters("number")
-    .MarkAsSimple();
-
-  extension.AddExpressionAndCondition(
-      "number",
-      "PickedInstancesCount",
-      _("Number of object instances currently picked"),
-      _("the number of instances picked by the previous conditions (or actions)"),
-      _("the number of _PARAM0_ currently picked"),
-      _("Objects"),
-      "res/conditions/nbObjet24.png")
-    .AddParameter("objectListOrEmptyWithoutPicking", _("Object"))
-    .UseStandardParameters("number")
-    .MarkAsSimple();
+      .MarkAsSimple();
 
   extension
       .AddCondition(
-          "CollisionNP",
+          "CollisionNP",  //"CollisionNP" cames from an old condition to test
+                          // collision between two sprites non precisely.
           _("Collision"),
           _("Test the collision between two objects using their collision "
-            "masks."),
+            "masks.\nNote that some objects may not have collision "
+            "masks.\nSome others, like Sprite objects, also provide more "
+            "precise collision conditions."),
           _("_PARAM0_ is in collision with _PARAM1_"),
           _("Collision"),
           "res/conditions/collision24.png",
@@ -1501,7 +1422,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
           _("Cast a ray from _PARAM1_;_PARAM2_, angle: _PARAM3_ and max "
             "distance: _PARAM4_px, against _PARAM0_, and save the "
             "result in _PARAM5_, _PARAM6_"),
-          "",
+          _("Collision"),
           "res/conditions/raycast24.png",
           "res/conditions/raycast.png")
       .AddParameter("objectList", _("Objects to test against the ray"))
@@ -1529,10 +1450,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
             "object will become the only one taken into account.\nIf "
             "the condition is inverted, the object to be intersected "
             "will be the farthest one within the ray radius."),
-          _("Cast a ray from _PARAM1_;_PARAM2_ to _PARAM3_;_PARAM4_ "
+          _("Cast a ray from from _PARAM1_;_PARAM2_ to _PARAM3_;_PARAM4_ "
             "against _PARAM0_, and save the "
             "result in _PARAM5_, _PARAM6_"),
-          "",
+          _("Collision"),
           "res/conditions/raycast24.png",
           "res/conditions/raycast.png")
       .AddParameter("objectList", _("Objects to test against the ray"))
@@ -1556,22 +1477,21 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                      _("Number of objects"),
                      _("Count the number of the specified objects being "
                        "currently picked in the event"),
-                     "",
+                     _("Objects"),
                      "res/conditions/nbObjet.png")
-      .AddParameter("objectList", _("Object"))
-      .SetHidden(); // Deprecated
+      .AddParameter("objectList", _("Object"));
 
   obj.AddStrExpression("ObjectName",
                        _("Object name"),
                        _("Return the name of the object"),
-                       "",
-                       "res/conditions/text_black.png")
+                       _("Objects"),
+                       "res/conditions/text.png")
       .AddParameter("object", _("Object"));
 
   obj.AddStrExpression("Layer",
                        _("Object layer"),
                        _("Return the name of the layer the object is on"),
-                       "",
+                       _("Objects"),
                        "res/actions/layer.png")
       .AddParameter("object", _("Object"));
 }

Core/GDCore/Extensions/Builtin/CameraExtension.cpp

@@ -15,26 +15,23 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
   extension
       .SetExtensionInformation(
           "BuiltinCamera",
-          _("Layers and cameras"),
+          _("Cameras and layers features"),
           "Each scene can be composed of multiple layers. These conditions "
           "and actions allow to manipulate them during the game. In "
           "particular, you can move the camera of a layer to center it on an "
           "object or a position.",
           "Florian Rival",
           "Open source (MIT License)")
-      .SetCategory("Camera")
       .SetExtensionHelpPath("/interface/scene-editor/layers-and-cameras");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Layers and cameras"))
-      .SetIcon("res/conditions/camera24.png");
 
   extension
       .AddExpressionAndConditionAndAction(
           "number",
-          "CameraCenterX",
+          "CameraX",
           _("Camera center X position"),
           _("the X position of the center of a camera"),
           _("the X position of camera _PARAM4_ (layer: _PARAM3_)"),
-          "",
+          _("Layers and cameras"),
           "res/conditions/camera24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .UseStandardParameters("number")
@@ -44,29 +41,19 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
       .SetDefaultValue("0")
       .MarkAsAdvanced();
 
-  // Compatibility with GD <= 5.0.135
-  extension.AddDuplicatedCondition("CameraX", "CameraCenterX")
-      .SetHidden();  // Deprecated
-  extension.AddDuplicatedExpression("CameraX", "CameraCenterX")
-      .SetHidden();  // Deprecated
-  extension.AddDuplicatedAction("SetCameraX", "SetCameraCenterX")
-      .SetHidden();  // Deprecated
-
   extension.AddDuplicatedAction("CameraX", "SetCameraX")
       .SetHidden();  // Deprecated
-
   extension.AddDuplicatedExpression("VueX", "CameraX")
       .SetHidden();  // Deprecated
-  // end of compatibility code
 
   extension
       .AddExpressionAndConditionAndAction(
           "number",
-          "CameraCenterY",
+          "CameraY",
           _("Camera center Y position"),
           _("the Y position of the center of a camera"),
           _("the Y position of camera _PARAM4_ (layer: _PARAM3_)"),
-          "",
+          _("Layers and cameras"),
           "res/conditions/camera24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .UseStandardParameters("number")
@@ -76,20 +63,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
       .SetDefaultValue("0")
       .MarkAsAdvanced();
 
-  // Compatibility with GD <= 5.0.135
-  extension.AddDuplicatedCondition("CameraY", "CameraCenterY")
-      .SetHidden();  // Deprecated
-  extension.AddDuplicatedExpression("CameraY", "CameraCenterY")
-      .SetHidden();  // Deprecated
-  extension.AddDuplicatedAction("SetCameraY", "SetCameraCenterY")
-      .SetHidden();  // Deprecated
-
   extension.AddDuplicatedAction("CameraY", "SetCameraY")
       .SetHidden();  // Deprecated
-
   extension.AddDuplicatedExpression("VueY", "CameraY")
       .SetHidden();  // Deprecated
-  // end of compatibility code
 
   extension
       .AddExpressionAndCondition(
@@ -98,12 +75,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("Width of a camera"),
           _("the width of a camera of a layer"),
           _("the width of camera _PARAM2_ of layer _PARAM1_"),
-          "",
+          _("Layers and cameras"),
           "res/conditions/camera24.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
-      .AddParameter("expression", _("Camera number"), "", true)
+      .AddParameter("expression", _("Camera number"))
       .UseStandardParameters("number")
       .MarkAsAdvanced();
 
@@ -114,80 +91,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("Height of a camera"),
           _("the height of a camera of a layer"),
           _("the height of camera _PARAM2_ of layer _PARAM1_"),
-          "",
+          _("Layers and cameras"),
           "res/conditions/camera24.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
-      .AddParameter("expression", _("Camera number"), "", true)
-      .UseStandardParameters("number")
-      .MarkAsAdvanced();
-
-  extension
-      .AddExpressionAndCondition(
-          "number",
-          "CameraBorderLeft",
-          _("Camera left border position"),
-          _("the position of the left border of a camera"),
-          _("the position of the left border of camera _PARAM2_ of layer "
-            "_PARAM1_"),
-          "",
-          "res/conditions/camera24.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
-      .SetDefaultValue("\"\"")
-      .AddParameter("expression", _("Camera number"), "", true)
-      .UseStandardParameters("number")
-      .MarkAsAdvanced();
-
-  extension
-      .AddExpressionAndCondition(
-          "number",
-          "CameraBorderRight",
-          _("Camera right border position"),
-          _("the position of the right border of a camera"),
-          _("the position of the right border of camera _PARAM2_ of layer "
-            "_PARAM1_"),
-          "",
-          "res/conditions/camera24.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
-      .SetDefaultValue("\"\"")
-      .AddParameter("expression", _("Camera number"), "", true)
-      .UseStandardParameters("number")
-      .MarkAsAdvanced();
-
-  extension
-      .AddExpressionAndCondition(
-          "number",
-          "CameraBorderTop",
-          _("Camera top border position"),
-          _("the position of the top border of a camera"),
-          _("the position of the top border of camera _PARAM2_ of layer "
-            "_PARAM1_"),
-          "",
-          "res/conditions/camera24.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
-      .SetDefaultValue("\"\"")
-      .AddParameter("expression", _("Camera number"), "", true)
-      .UseStandardParameters("number")
-      .MarkAsAdvanced();
-
-  extension
-      .AddExpressionAndCondition(
-          "number",
-          "CameraBorderBottom",
-          _("Camera bottom border position"),
-          _("the position of the bottom border of a camera"),
-          _("the position of the bottom border of camera _PARAM2_ of layer "
-            "_PARAM1_"),
-          "",
-          "res/conditions/camera24.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
-      .SetDefaultValue("\"\"")
-      .AddParameter("expression", _("Camera number"), "", true)
+      .AddParameter("expression", _("Camera number"))
       .UseStandardParameters("number")
       .MarkAsAdvanced();
 
@@ -196,9 +105,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           "number",
           "CameraAngle",
           _("Angle of a camera of a layer"),
-          _("the angle of rotation of a camera (in degrees)"),
+          _("the angle of rotation of a camera"),
           _("the angle of camera (layer: _PARAM3_, camera: _PARAM4_)"),
-          "",
+          _("Layers and cameras"),
           "res/conditions/camera24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .UseStandardParameters("number")
@@ -218,11 +127,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                  _("Add a camera to a layer"),
                  _("This action adds a camera to a layer"),
                  _("Add a camera to layer _PARAM1_"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/camera24.png",
                  "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer"))
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .AddParameter("expression", _("Width"), "", true)
       .AddParameter("expression", _("Height"), "", true)
@@ -253,11 +162,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                  _("Delete a camera of a layer"),
                  _("Remove the specified camera from a layer"),
                  _("Delete camera _PARAM2_ from layer _PARAM1_"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/camera24.png",
                  "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer"))
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .AddParameter("expression", _("Camera number"))
       .MarkAsComplex();
@@ -269,11 +178,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                    "layer. The zoom will be reset."),
                  _("Change the size of camera _PARAM2_ of _PARAM1_ to "
                    "_PARAM3_*_PARAM4_"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/camera24.png",
                  "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer"))
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .AddParameter("expression", _("Camera number"))
       .AddParameter("expression", _("Width"))
@@ -287,11 +196,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                    "specified layer."),
                  _("Set the render zone of camera _PARAM2_ from layer _PARAM1_ "
                    "to _PARAM3_;_PARAM4_ _PARAM5_;_PARAM6_"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/camera24.png",
                  "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer"))
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .AddParameter("expression", _("Camera number"))
       .AddParameter(
@@ -310,11 +219,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
 
   extension
       .AddAction("ZoomCamera",
-                 _("Camera zoom"),
+                 _("Change camera zoom"),
                  _("Change camera zoom."),
                  _("Change camera zoom to _PARAM1_ (layer: _PARAM2_, camera: "
                    "_PARAM3_)"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/camera24.png",
                  "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -325,7 +234,6 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
       .AddParameter("expression", _("Camera number (default : 0)"), "", true)
       .SetDefaultValue("0");
 
-  // TODO Deprecated: hide this action in a future release.
   extension
       .AddAction(
           "FixCamera",
@@ -334,7 +242,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
             "specified limits."),
           _("Center the camera on _PARAM1_ (limit : from _PARAM2_;_PARAM3_ to "
             "_PARAM4_;_PARAM5_) (layer: _PARAM7_, camera: _PARAM8_)"),
-          "",
+          _("Layers and cameras"),
           "res/actions/camera24.png",
           "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -358,38 +266,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
       .SetDefaultValue("0")
       .MarkAsAdvanced();
 
-  extension
-      .AddAction(
-          "ClampCamera",
-          _("Enforce camera boundaries"),
-          _("Enforce camera boundaries by moving the camera back inside specified boundaries."),
-          _("Enforce camera boundaries (left: _PARAM1_, top: _PARAM2_ "
-            "right: _PARAM3_, bottom: _PARAM4_, layer: _PARAM5_)"),
-          "",
-          "res/actions/camera24.png",
-          "res/actions/camera.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("expression",
-                    _("Left bound X Position"))
-      .AddParameter("expression",
-                    _("Top bound Y Position"))
-      .AddParameter("expression",
-                    _("Right bound X Position"))
-      .AddParameter("expression",
-                    _("Bottom bound Y Position"))
-      .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
-      .SetDefaultValue("\"\"")
-      .AddParameter("expression", _("Camera number (default : 0)"), "", true)
-      .SetDefaultValue("0")
-      .MarkAsAdvanced();
-
   extension
       .AddAction(
           "CentreCamera",
           _("Center the camera on an object"),
           _("Center the camera on the specified object."),
-          _("Center camera on _PARAM1_ (layer: _PARAM3_)"),
-          "",
+          _("Center camera on _PARAM1_ (layer: _PARAM3_, camera: _PARAM4_)"),
+          _("Layers and cameras"),
           "res/actions/camera24.png",
           "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -410,11 +293,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                  _("Show a layer"),
                  _("Show a layer."),
                  _("Show layer _PARAM1_"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/layer24.png",
                  "res/actions/layer.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer"))
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .MarkAsAdvanced();
 
@@ -423,11 +306,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                  _("Hide a layer"),
                  _("Hide a layer."),
                  _("Hide layer _PARAM1_"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/layer24.png",
                  "res/actions/layer.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer"))
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .MarkAsAdvanced();
 
@@ -436,11 +319,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                     _("Visibility of a layer"),
                     _("Test if a layer is set as visible."),
                     _("Layer _PARAM1_ is visible"),
-                    "",
+                    _("Layers and cameras"),
                     "res/conditions/layer24.png",
                     "res/conditions/layer.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("layer", _("Layer"))
+      .AddParameter("layer", _("Layer (base layer if empty)"))
       .SetDefaultValue("\"\"")
       .MarkAsAdvanced();
 
@@ -452,7 +335,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
               _("You can find the parameter names (and change the effect "
                 "names) in the effects window."),
           _("Set _PARAM3_ to _PARAM4_ for effect _PARAM2_ of layer _PARAM1_"),
-          _("Effects"),
+          _("Layers and cameras/Effects"),
           "res/conditions/camera24.png",
           "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -471,7 +354,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
               _("You can find the parameter names (and change the effect "
                 "names) in the effects window."),
           _("Set _PARAM3_ to _PARAM4_ for effect _PARAM2_ of layer _PARAM1_"),
-          _("Effects"),
+          _("Layers and cameras/Effects"),
           "res/conditions/camera24.png",
           "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -490,7 +373,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
               _("You can find the parameter names (and change the effect "
                 "names) in the effects window."),
           _("Enable _PARAM3_ for effect _PARAM2_ of layer _PARAM1_: _PARAM4_"),
-          _("Effects"),
+          _("Layers and cameras/Effects"),
           "res/conditions/camera24.png",
           "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -506,7 +389,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                     _("Layer effect is enabled"),
                     _("The effect on a layer is enabled"),
                     _("Effect _PARAM2_ on layer _PARAM1_ is enabled"),
-                    _("Effects"),
+                    _("Layers and cameras/Effects"),
                     "res/conditions/camera24.png",
                     "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -520,7 +403,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                  _("Enable layer effect"),
                  _("Enable an effect on a layer"),
                  _("Enable effect _PARAM2_ on layer _PARAM1_: _PARAM3_"),
-                 _("Effects"),
+                 _("Layers and cameras/Effects"),
                  "res/conditions/camera24.png",
                  "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -536,7 +419,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("Layer time scale"),
           _("Compare the time scale applied to the objects of the layer."),
           _("the time scale of layer _PARAM1_"),
-          "",
+          _("Layers and cameras"),
           "res/conditions/time24.png",
           "res/conditions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -551,7 +434,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("Change layer time scale"),
           _("Change the time scale applied to the objects of the layer."),
           _("Set the time scale of layer _PARAM1_ to _PARAM2_"),
-          "",
+          _("Layers and cameras"),
           "res/actions/time24.png",
           "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -566,7 +449,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                     _("Compare the default Z order set to objects when they "
                       "are created on a layer."),
                     _("the default Z order of objects created on _PARAM1_"),
-                    "",
+                    _("Layers and cameras"),
                     "res/conditions/layer24.png",
                     "res/conditions/layer.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -577,12 +460,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
 
   extension
       .AddAction("SetLayerDefaultZOrder",
-                 _("Layer default Z order"),
+                 _("Change layer default Z order"),
                  _("Change the default Z order set to objects when they are "
                    "created on a layer."),
                  _("Set the default Z order of objects created on _PARAM1_ to "
                    "_PARAM2_"),
-                 "",
+                 _("Layers and cameras"),
                  "res/actions/layer24.png",
                  "res/actions/layer.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -597,7 +480,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("Set the ambient light color of the lighting layer in format "
             "\"R;G;B\" string."),
           _("Set the ambient color of the lighting layer _PARAM1_ to _PARAM2_"),
-          _("Lighting"),
+          _("Layers and cameras/Lighting"),
           "res/actions/color24.png",
           "res/actions/color.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -611,7 +494,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           "CameraViewportLeft",
           _("X position of the top left side point of a render zone"),
           _("X position of the top left side point of a render zone"),
-          "",
+          _("Layers and cameras"),
           "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("layer", _("Layer"))
@@ -623,7 +506,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           "CameraViewportTop",
           _("Y position of the top left side point of a render zone"),
           _("Y position of the top left side point of a render zone"),
-          "",
+          _("Layers and cameras"),
           "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("layer", _("Layer"))
@@ -635,7 +518,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           "CameraViewportRight",
           _("X position of the bottom right side point of a render zone"),
           _("X position of the bottom right side point of a render zone"),
-          "",
+          _("Layers and cameras"),
           "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("layer", _("Layer"))
@@ -647,7 +530,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           "CameraViewportBottom",
           _("Y position of the bottom right side point of a render zone"),
           _("Y position of the bottom right side point of a render zone"),
-          "",
+          _("Layers and cameras"),
           "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("layer", _("Layer"))
@@ -658,7 +541,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
       .AddExpression("CameraZoom",
                      _("Zoom of a camera of a layer"),
                      _("Zoom of a camera of a layer"),
-                     "",
+                     _("Layers and cameras"),
                      "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("layer", _("Layer"), "", true)
@@ -670,7 +553,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
       .AddExpression("LayerTimeScale",
                      _("Layer time scale"),
                      _("Returns the time scale of the specified layer."),
-                     "",
+                     _("Layers and cameras"),
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("layer", _("Layer"));
@@ -679,7 +562,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
       .AddExpression("LayerDefaultZOrder",
                      _("Default Z Order for a layer"),
                      _("Default Z Order for a layer"),
-                     "",
+                     _("Layers and cameras"),
                      "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("layer", _("Layer"));

Core/GDCore/Extensions/Builtin/CommonConversionsExtension.cpp

@@ -15,28 +15,27 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
   extension
       .SetExtensionInformation(
           "BuiltinCommonConversions",
-          _("Conversion"),
+          _("Standard Conversions"),
           "Expressions to convert number, texts and quantities.",
           "Florian Rival",
           "Open source (MIT License)")
       .SetExtensionHelpPath("/all-features/common-conversions");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Conversion"))
-      .SetIcon("res/conditions/toujours24_black.png");
+
 
   extension
       .AddExpression("ToNumber",
                      _("Text > Number"),
                      _("Convert the text to a number"),
-                     "",
-                     "res/conditions/toujours24_black.png")
+                     _("Conversion"),
+                     "res/conditions/toujours24.png")
       .AddParameter("string", _("Text to convert to a number"));
 
   extension
       .AddStrExpression("ToString",
                         _("Number > Text"),
                         _("Convert the result of the expression to text"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Conversion"),
+                        "res/conditions/toujours24.png")
       .AddParameter("expression", _("Expression to be converted to text"));
 
   extension
@@ -44,8 +43,8 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
                         _("Number > Text ( without scientific notation )"),
                         _("Convert the result of the expression to text, "
                           "without using the scientific notation"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Conversion"),
+                        "res/conditions/toujours24.png")
       .AddParameter("expression", _("Expression to be converted to text"));
 
   extension
@@ -53,8 +52,8 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
           "ToRad",
           _("Degrees > Radians"),
           _("Converts the angle, expressed in degrees, into radians"),
-          "",
-          "res/conditions/toujours24_black.png")
+          _("Conversion"),
+          "res/conditions/toujours24.png")
       .AddParameter("expression", _("Angle, in degrees"));
 
   extension
@@ -62,76 +61,9 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
           "ToDeg",
           _("Radians > Degrees"),
           _("Converts the angle, expressed in radians, into degrees"),
-          "",
-          "res/conditions/toujours24_black.png")
+          _("Conversion"),
+          "res/conditions/toujours24.png")
       .AddParameter("expression", _("Angle, in radians"));
-
-  extension
-      .AddStrExpression("ToJSON",
-                        _("Convert scene variable to JSON"),
-                        _("Convert a scene variable to JSON"),
-                        _("JSON"),
-                        "res/conditions/toujours24_black.png")
-      .AddParameter("scenevar", _("Scene variable to be stringified"));
-
-  extension
-      .AddStrExpression("GlobalVarToJSON",
-                        _("Convert global variable to JSON"),
-                        _("Convert a global variable to JSON"),
-                        _("JSON"),
-                        "res/conditions/toujours24_black.png")
-      .AddParameter("globalvar", _("The global variable to be stringified"));
-
-  extension
-      .AddStrExpression("ObjectVarToJSON",
-                        _("Convert object variable to JSON"),
-                        _("Convert an object variable to JSON"),
-                        _("JSON"),
-                        "res/conditions/toujours24_black.png")
-      .AddParameter("objectPtr", _("The object with the variable"))
-      .AddParameter("objectvar", _("The object variable to be stringified"));
-
-  extension
-      .AddAction(
-          "JSONToVariableStructure",
-          _("Convert JSON to a scene variable"),
-          _("Parse a JSON object and store it into a scene variable"),
-          _("Convert JSON string _PARAM0_ and store it into variable _PARAM1_"),
-          "",
-          "res/actions/net24.png",
-          "res/actions/net.png")
-      .AddParameter("string", _("JSON string"))
-      .AddParameter("scenevar", _("Variable where store the JSON object"))
-      .MarkAsAdvanced();
-
-  extension
-      .AddAction("JSONToGlobalVariableStructure",
-                 _("Convert JSON to global variable"),
-                 _("Parse a JSON object and store it into a global variable"),
-                 _("Convert JSON string _PARAM0_ and store it into global "
-                   "variable _PARAM1_"),
-                 "",
-                 "res/actions/net24.png",
-                 "res/actions/net.png")
-      .AddParameter("string", _("JSON string"))
-      .AddParameter("globalvar",
-                    _("Global variable where store the JSON object"))
-      .MarkAsAdvanced();
-
-  extension
-      .AddAction("JSONToObjectVariableStructure",
-                 _("Convert JSON to object variable"),
-                 _("Parse a JSON object and store it into an object variable"),
-                 _("Parse JSON string _PARAM0_ and store it into variable "
-                   "_PARAM2_ of _PARAM1_"),
-                 "",
-                 "res/actions/net24.png",
-                 "res/actions/net.png")
-      .AddParameter("string", _("JSON string"))
-      .AddParameter("objectPtr", _("Object"))
-      .AddParameter("objectvar",
-                    _("Object variable where store the JSON object"))
-      .MarkAsAdvanced();
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/CommonInstructionsExtension.cpp

@@ -4,6 +4,7 @@
  * reserved. This project is released under the MIT License.
  */
 #include "AllBuiltinExtensions.h"
+#include "GDCore/Tools/Localization.h"
 #include "GDCore/Events/Builtin/CommentEvent.h"
 #include "GDCore/Events/Builtin/ForEachChildVariableEvent.h"
 #include "GDCore/Events/Builtin/ForEachEvent.h"
@@ -13,7 +14,6 @@
 #include "GDCore/Events/Builtin/StandardEvent.h"
 #include "GDCore/Events/Builtin/WhileEvent.h"
 #include "GDCore/Events/Event.h"
-#include "GDCore/Tools/Localization.h"
 
 using namespace std;
 namespace gd {
@@ -24,45 +24,21 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
   extension
       .SetExtensionInformation(
           "BuiltinCommonInstructions",
-          _("Events and control flow"),
+          _("Builtin events"),
           "GDevelop comes with a set of events and conditions that allow to "
           "express the game logic and rules.",
           "Florian Rival",
           "Open source (MIT License)")
-      .SetCategory("Advanced")
       .SetExtensionHelpPath("/all-features/advanced-conditions");
-  extension
-      .AddInstructionOrExpressionGroupMetadata(_("Events and control flow"))
-      .SetIcon("res/conditions/toujours24_black.png");
-
-  extension
-      .AddCondition("Always",
-                    _("Always"),
-                    _("This condition always returns true (or always false, if "
-                      "the condition is inverted)."),
-                    _("Always"),
-                    "",
-                    "res/conditions/toujours24_black.png",
-                    "res/conditions/toujours_black.png")
-      .SetHelpPath("/all-features/advanced-conditions")
-      .AddCodeOnlyParameter("conditionInverted", "")
-      .MarkAsAdvanced();
-
-  // Compatibility with GD <= 5.0.127
-  extension
-      .AddDuplicatedCondition(
-          "Toujours", "BuiltinCommonInstructions::Always", {.unscoped = true})
-      .SetHidden();
-  // end of compatibility code
 
   extension
       .AddCondition("Or",
                     _("Or"),
                     _("Check if one of the sub conditions is true"),
                     _("If one of these conditions is true:"),
-                    "",
-                    "res/conditions/or24_black.png",
-                    "res/conditions/or_black.png")
+                    _("Advanced"),
+                    "res/conditions/or24.png",
+                    "res/conditions/or.png")
       .SetCanHaveSubInstructions()
       .MarkAsAdvanced();
 
@@ -71,9 +47,9 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
                     _("And"),
                     _("Check if all sub conditions are true"),
                     _("If all of these conditions are true:"),
-                    "",
-                    "res/conditions/and24_black.png",
-                    "res/conditions/and_black.png")
+                    _("Advanced"),
+                    "res/conditions/and24.png",
+                    "res/conditions/and.png")
       .SetCanHaveSubInstructions()
       .MarkAsAdvanced();
 
@@ -83,9 +59,9 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
           _("Not"),
           _("Return the contrary of the result of the sub conditions"),
           _("Invert the logical result of these conditions:"),
-          "",
-          "res/conditions/not24_black.png",
-          "res/conditions/not_black.png")
+          _("Advanced"),
+          "res/conditions/not24.png",
+          "res/conditions/not.png")
       .SetCanHaveSubInstructions()
       .MarkAsAdvanced();
 
@@ -94,52 +70,10 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
       _("Trigger once while true"),
       _("Run actions only once, for each time the conditions have been met."),
       _("Trigger once"),
-      "",
+      _("Advanced"),
       "res/conditions/once24.png",
       "res/conditions/once.png");
 
-  extension
-      .AddCondition("CompareNumbers",
-                    _("Compare two numbers"),
-                    _("Compare the two numbers."),
-                    _("_PARAM0_ _PARAM1_ _PARAM2_"),
-                    "",
-                    "res/conditions/egal24_black.png",
-                    "res/conditions/egal_black.png")
-      .SetHelpPath("/all-features/advanced-conditions")
-      .AddParameter("expression", _("First expression"))
-      .AddParameter("relationalOperator", _("Sign of the test"), "number")
-      .AddParameter("expression", _("Second expression"))
-      .MarkAsAdvanced();
-
-  // Compatibility with GD <= 5.0.127
-  extension
-      .AddDuplicatedCondition(
-          "Egal", "BuiltinCommonInstructions::CompareNumbers", {.unscoped = true})
-      .SetHidden();
-  // end of compatibility code
-
-  extension
-      .AddCondition("CompareStrings",
-                    _("Compare two strings"),
-                    _("Compare the two strings."),
-                    _("_PARAM0_ _PARAM1_ _PARAM2_"),
-                    "",
-                    "res/conditions/egal24_black.png",
-                    "res/conditions/egal_black.png")
-      .SetHelpPath("/all-features/advanced-conditions")
-      .AddParameter("string", _("First string expression"))
-      .AddParameter("relationalOperator", _("Sign of the test"), "string")
-      .AddParameter("string", _("Second string expression"))
-      .MarkAsAdvanced();
-
-  // Compatibility with GD <= 5.0.127
-  extension
-      .AddDuplicatedCondition(
-          "StrEqual", "BuiltinCommonInstructions::CompareStrings", {.unscoped = true})
-      .SetHidden();
-  // end of compatibility code
-
   extension.AddEvent(
       "Standard",
       _("Standard event"),

Core/GDCore/Extensions/Builtin/ExternalLayoutsExtension.cpp

@@ -19,21 +19,18 @@ BuiltinExtensionsImplementer::ImplementsExternalLayoutsExtension(
                                "external layouts.",
                                "Florian Rival",
                                "Open source (MIT License)")
-      .SetExtensionHelpPath("/interface/scene-editor/external-layouts")
-      .SetCategory("Advanced");
-  extension.AddInstructionOrExpressionGroupMetadata(_("External layouts"))
-      .SetIcon("res/ribbon_default/externallayout32.png");
+      .SetExtensionHelpPath("/interface/scene-editor/external-layouts");
 
   extension
       .AddAction("CreateObjectsFromExternalLayout",
                  _("Create objects from an external layout"),
                  _("Create objects from an external layout."),
                  _("Create objects from the external layout named _PARAM1_"),
-                 "",
-                 "res/ribbon_default/externallayout32.png",
-                 "res/ribbon_default/externallayout32.png")
+                 _("External layouts"),
+                 "res/conditions/fichier24.png",
+                 "res/conditions/fichier.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("externalLayoutName", _("Name of the external layout"))
+      .AddParameter("string", _("Name of the external layout"))
       .AddParameter("expression", _("X position of the origin"), "", true)
       .SetDefaultValue("0")
       .AddParameter("expression", _("Y position of the origin"), "", true)

Core/GDCore/Extensions/Builtin/FileExtension.cpp

@@ -20,10 +20,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
           "stored on the device and erased when the game is uninstalled.",
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/storage")
-      .SetCategory("Advanced");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Storage"))
-      .SetIcon("res/conditions/fichier24.png");
+      .SetExtensionHelpPath("/all-features/storage");
 
   extension
       .AddCondition(
@@ -32,7 +29,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
           _("Check if an element (example : PlayerState/CurrentLevel) exists "
             "in the stored data.\nSpaces are forbidden in element names."),
           _("_PARAM1_ exists in storage _PARAM0_"),
-          "",
+          _("Storage"),
           "res/conditions/fichier24.png",
           "res/conditions/fichier.png")
       .AddParameter("string", _("Storage name"))
@@ -48,7 +45,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
             "action, but it will be slower.\nIf you use this action, do not "
             "forget to unload the storage from memory."),
           _("Load storage _PARAM0_ in memory"),
-          "",
+          _("Storage"),
           "res/actions/fichier24.png",
           "res/actions/fichier.png")
       .AddParameter("string", _("Storage name"))
@@ -60,7 +57,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
                  _("This action closes the structured data previously loaded "
                    "in memory, saving all changes made."),
                  _("Close structured data _PARAM0_"),
-                 "",
+                 _("Storage"),
                  "res/actions/fichier24.png",
                  "res/actions/fichier.png")
       .AddParameter("string", _("Storage name"))
@@ -75,7 +72,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
             "element using / (example : Root/Level/Current)\nSpaces are "
             "forbidden in element names."),
           _("Write _PARAM2_ in _PARAM1_ of storage _PARAM0_"),
-          "",
+          _("Storage"),
           "res/actions/fichier24.png",
           "res/actions/fichier.png")
       .AddParameter("string", _("Storage name"))
@@ -91,7 +88,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
             "the structure leading to the element using / (example : "
             "Root/Level/Current)\nSpaces are forbidden in element names."),
           _("Write _PARAM2_ in _PARAM1_ of storage _PARAM0_"),
-          "",
+          _("Storage"),
           "res/actions/fichier24.png",
           "res/actions/fichier.png")
       .AddParameter("string", _("Storage name"))
@@ -108,7 +105,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
             "(example : Root/Level/Current)\nSpaces are forbidden in element "
             "names."),
           _("Read _PARAM1_ from storage _PARAM0_ and store value in _PARAM3_"),
-          "",
+          _("Storage"),
           "res/actions/fichier24.png",
           "res/actions/fichier.png")
       .AddParameter("string", _("Storage name"))
@@ -127,7 +124,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
             "names."),
           _("Read _PARAM1_ from storage _PARAM0_ and store as text in "
             "_PARAM3_"),
-          "",
+          _("Storage"),
           "res/actions/fichier24.png",
           "res/actions/fichier.png")
       .AddParameter("string", _("Storage name"))
@@ -143,7 +140,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
                    "element using / (example : Root/Level/Current)\nSpaces are "
                    "forbidden in element names."),
                  _("Delete _PARAM1_ from storage _PARAM0_"),
-                 "",
+                 _("Storage"),
                  "res/actions/delete24.png",
                  "res/actions/delete.png")
       .AddParameter("string", _("Storage name"))
@@ -156,7 +153,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
           _("Clear a storage"),
           _("Clear the specified storage, removing all data saved in it."),
           _("Delete storage _PARAM0_"),
-          "",
+          _("Storage"),
           "res/actions/delete24.png",
           "res/actions/delete.png")
       .AddParameter("string", _("Storage name"));
@@ -166,18 +163,32 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsFileExtension(
                     _("A storage exists"),
                     _("Test if the specified storage exists."),
                     _("Storage _PARAM0_ exists"),
-                    "",
+                    _("Storage"),
                     "res/conditions/fichier24.png",
                     "res/conditions/fichier.png")
       .AddParameter("string", _("Storage name"))
       .MarkAsAdvanced();
 
+  extension
+      .AddAction("LaunchFile",
+                 _("Open a URL or a file"),
+                 _("This action launches the specified file or URL, in a "
+                   "browser (or in a new tab if the game is using the Web "
+                   "platform and is launched inside a browser)."),
+                 _("Open URL (or file) _PARAM0_"),
+                 _("Files"),
+                 "res/actions/launchFile24.png",
+                 "res/actions/launchFile.png")
+      .AddParameter("string", _("URL (or filename)"))
+      .AddCodeOnlyParameter("currentScene", "")
+      .MarkAsAdvanced();
+
   extension
       .AddAction("ExecuteCmd",
                  _("Execute a command"),
                  _("This action executes the specified command."),
                  _("Execute _PARAM0_"),
-                 _("Network"),
+                 _("Files"),
                  "res/actions/launchFile24.png",
                  "res/actions/launchFile.png")
       .AddParameter("string", _("Command"))

Core/GDCore/Extensions/Builtin/KeyboardExtension.cpp

@@ -14,24 +14,21 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
   extension
       .SetExtensionInformation(
           "BuiltinKeyboard",
-          _("Keyboard"),
+          _("Keyboard features"),
           _("Allows your game to respond to keyboard input. Note that this "
             "does not work with on-screen keyboard on touch devices: use "
             "instead conditions related to touch when making a game for "
             "mobile/touchscreen devices."),
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/keyboard")
-      .SetCategory("Input");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Keyboard"))
-      .SetIcon("res/conditions/keyboard24.png");
+      .SetExtensionHelpPath("/all-features/keyboard");
 
   extension
       .AddCondition("KeyPressed",
                     _("Key pressed"),
                     _("Check if a key is pressed"),
                     _("_PARAM1_ key is pressed"),
-                    "",
+                    _("Keyboard"),
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -42,7 +39,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
                     _("Key released"),
                     _("Check if a key was just released"),
                     _("_PARAM1_ key is released"),
-                    "",
+                    _("Keyboard"),
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -54,7 +51,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
                     _("Check if a key, retrieved from the result of the "
                       "expression, is pressed"),
                     _("_PARAM1_ key is pressed"),
-                    "",
+                    _("Keyboard"),
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -67,7 +64,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
                     _("Check if a key, retrieved from the result of the "
                       "expression, was just released"),
                     _("_PARAM1_ key is released"),
-                    "",
+                    _("Keyboard"),
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -79,7 +76,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
                     _("Any key pressed"),
                     _("Check if any key is pressed"),
                     _("Any key is pressed"),
-                    "",
+                    _("Keyboard"),
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "");
@@ -89,7 +86,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
                     _("Any key released"),
                     _("Check if any key is released"),
                     _("Any key is released"),
-                    "",
+                    _("Keyboard"),
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "");
@@ -99,7 +96,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
           "LastPressedKey",
           _("Last pressed key"),
           _("Get the name of the latest key pressed on the keyboard"),
-          "",
+          _("Keyboard"),
           "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "");
 }

Core/GDCore/Extensions/Builtin/MathematicalToolsExtension.cpp

@@ -18,63 +18,13 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       "A set of mathematical functions that can be used in expressions.",
       "Florian Rival",
       "Open source (MIT License)");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Mathematical tools"))
-      .SetIcon("res/mathfunction.png");
 
-  extension
-      .AddExpression("Random",
-                     _("Random integer"),
-                     _("Random integer"),
-                     "",
-                     "res/dice-6.svg")
-      .SetHelpPath("/all-features/expressions")
-      .AddParameter("expression", _("Maximum value"));
-
-  extension
-      .AddExpression("RandomInRange",
-                     _("Random integer in range"),
-                     _("Random integer in range"),
-                     "",
-                     "res/dice-6.svg")
-      .SetHelpPath("/all-features/expressions")
-      .AddParameter("expression", _("Minimum value"))
-      .AddParameter("expression", _("Maximum value"));
-
-  extension
-      .AddExpression("RandomFloat",
-                     _("Random float"),
-                     _("Random float"),
-                     "",
-                     "res/dice-6.svg")
-      .SetHelpPath("/all-features/expressions")
-      .AddParameter("expression", _("Maximum value"));
-
-  extension
-      .AddExpression("RandomFloatInRange",
-                     _("Random float in range"),
-                     _("Random float in range"),
-                     "",
-                     "res/dice-6.svg")
-      .SetHelpPath("/all-features/expressions")
-      .AddParameter("expression", _("Minimum value"))
-      .AddParameter("expression", _("Maximum value"));
-
-  extension
-      .AddExpression("RandomWithStep",
-                     _("Random value in steps"),
-                     _("Random value in steps"),
-                     "",
-                     "res/dice-6.svg")
-      .SetHelpPath("/all-features/expressions")
-      .AddParameter("expression", _("Minimum value"))
-      .AddParameter("expression", _("Maximum value"))
-      .AddParameter("expression", _("Step"));
 
   extension
       .AddExpression("normalize",
                      _("Normalize a value between `min` and `max` to a value between 0 and 1."),
                      _("Remap a value between 0 and 1."),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Value"))
       .AddParameter("expression", _("Min"))
@@ -84,7 +34,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("clamp",
                      _("Clamp (restrict a value to a given range)"),
                      _("Restrict a value to a given range"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Value"))
       .AddParameter("expression", _("Min"))
@@ -94,16 +44,16 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("AngleDifference",
                      _("Difference between two angles"),
                      _("Difference between two angles"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
-      .AddParameter("expression", _("First angle, in degrees"))
-      .AddParameter("expression", _("Second angle, in degrees"));
+      .AddParameter("expression", _("First angle"))
+      .AddParameter("expression", _("Second angle"));
 
   extension
       .AddExpression("AngleBetweenPositions",
                      _("Angle between two positions"),
-                     _("Compute the angle between two positions (in degrees)."),
-                     "",
+                     _("Compute the angle between two positions."),
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("First point X position"))
       .AddParameter("expression", _("First point Y position"))
@@ -114,7 +64,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("DistanceBetweenPositions",
                      _("Distance between two positions"),
                      _("Compute the distance between two positions."),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("First point X position"))
       .AddParameter("expression", _("First point Y position"))
@@ -125,7 +75,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("mod",
                      _("Modulo"),
                      _("x mod y"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("x (as in x mod y)"))
       .AddParameter("expression", _("y (as in x mod y)"));
@@ -134,7 +84,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("min",
                      _("Minimum of two numbers"),
                      _("Minimum of two numbers"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("First expression"))
       .AddParameter("expression", _("Second expression"));
@@ -143,7 +93,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("max",
                      _("Maximum of two numbers"),
                      _("Maximum of two numbers"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("First expression"))
       .AddParameter("expression", _("Second expression"));
@@ -152,16 +102,15 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("abs",
                      _("Absolute value"),
                      _("Absolute value"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
   extension
       .AddExpression("acos",
                      _("Arccosine"),
-                     _("Arccosine, return an angle (in radian). "
-                       "`ToDeg` allows to convert it to degrees."),
-                     "",
+                     _("Arccosine"),
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -169,16 +118,15 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("acosh",
                      _("Hyperbolic arccosine"),
                      _("Hyperbolic arccosine"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
   extension
       .AddExpression("asin",
                      _("Arcsine"),
-                     _("Arcsine, return an angle (in radian). "
-                       "`ToDeg` allows to convert it to degrees."),
-                     "",
+                     _("Arcsine"),
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -186,16 +134,15 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("asinh",
                      _("Arcsine"),
                      _("Arcsine"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
   extension
       .AddExpression("atan",
                      _("Arctangent"),
-                     _("Arctangent, return an angle (in radian). "
-                       "`ToDeg` allows to convert it to degrees."),
-                     "",
+                     _("Arctangent"),
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -203,7 +150,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("atan2",
                      _("2 argument arctangent"),
                      _("2 argument arctangent (atan2)"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Y"))
       .AddParameter("expression", _("X"));
@@ -212,7 +159,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("atanh",
                      _("Hyperbolic arctangent"),
                      _("Hyperbolic arctangent"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -220,7 +167,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("cbrt",
                      _("Cube root"),
                      _("Cube root"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -228,42 +175,23 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("ceil",
                      _("Ceil (round up)"),
                      _("Round number up to an integer"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
-  extension
-      .AddExpression("ceilTo",
-                     _("Ceil (round up) to a decimal point"),
-                     _("Round number up to the Nth decimal place"),
-                     "",
-                     "res/mathfunction.png")
-      .AddParameter("expression", _("Expression"))
-      .AddParameter("expression", _("Expression"), "", true);
-
   extension
       .AddExpression("floor",
                      _("Floor (round down)"),
                      _("Round number down to an integer"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
-  extension
-      .AddExpression("floorTo",
-                     _("Floor (round down) to a decimal point"),
-                     _("Round number down to the Nth decimal place"),
-                     "",
-                     "res/mathfunction.png")
-      .AddParameter("expression", _("Expression"))
-      .AddParameter("expression", _("Expression"), "", true);
-
   extension
       .AddExpression("cos",
                      _("Cosine"),
-                     _("Cosine of an angle (in radian). "
-                       "If you want to use degrees, use`ToRad`: `sin(ToRad(45))`."),
-                     "",
+                     _("Cosine of a number"),
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -271,7 +199,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("cosh",
                      _("Hyperbolic cosine"),
                      _("Hyperbolic cosine"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -279,7 +207,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("cot",
                      _("Cotangent"),
                      _("Cotangent of a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -287,7 +215,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("csc",
                      _("Cosecant"),
                      _("Cosecant of a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -295,7 +223,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("int",
                      _("Round"),
                      _("Round a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .SetHidden()
       .AddParameter("expression", _("Expression"));
@@ -304,7 +232,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("rint",
                      _("Round"),
                      _("Round a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .SetHidden()
       .AddParameter("expression", _("Expression"));
@@ -313,24 +241,15 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("round",
                      _("Round"),
                      _("Round a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
-  extension
-      .AddExpression("roundTo",
-                     _("Round to a decimal point"),
-                     _("Round a number to the Nth decimal place"),
-                     "",
-                     "res/mathfunction.png")
-      .AddParameter("expression", _("Expression"))
-      .AddParameter("expression", _("Expression"), "", true);
-
   extension
       .AddExpression("exp",
                      _("Exponential"),
                      _("Exponential of a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -338,7 +257,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("log",
                      _("Logarithm"),
                      _("Logarithm"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -346,7 +265,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("ln",
                      _("Logarithm"),
                      _("Logarithm"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .SetHidden()
       .AddParameter("expression", _("Expression"));
@@ -355,7 +274,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("log2",
                      _("Base-2 logarithm"),
                      _("Base 2 Logarithm"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -363,7 +282,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("log10",
                      _("Base-10 logarithm"),
                      _("Base-10 logarithm"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -371,7 +290,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("nthroot",
                      _("Nth root"),
                      _("Nth root of a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Number"))
       .AddParameter("expression", _("N"));
@@ -380,7 +299,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("pow",
                      _("Power"),
                      _("Raise a number to power n"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Number"))
       .AddParameter("expression", _("The exponent (n in x^n)"));
@@ -389,7 +308,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sec",
                      _("Secant"),
                      _("Secant"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -397,16 +316,15 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sign",
                      _("Sign of a number"),
                      _("Return the sign of a number (1,-1 or 0)"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
   extension
       .AddExpression("sin",
                      _("Sine"),
-                     _("Sine of an angle (in radian). "
-                       "If you want to use degrees, use`ToRad`: `sin(ToRad(45))`."),
-                     "",
+                     _("Sine of a number"),
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -414,7 +332,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sinh",
                      _("Hyperbolic sine"),
                      _("Hyperbolic sine"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -422,16 +340,15 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sqrt",
                      _("Square root"),
                      _("Square root of a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
   extension
       .AddExpression("tan",
                      _("Tangent"),
-                     _("Tangent of an angle (in radian). "
-                       "If you want to use degrees, use`ToRad`: `tan(ToRad(45))`."),
-                     "",
+                     _("Tangent of a number"),
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -439,7 +356,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("tanh",
                      _("Hyperbolic tangent"),
                      _("Hyperbolic tangent"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -447,7 +364,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("trunc",
                      _("Truncation"),
                      _("Truncate a number"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -455,7 +372,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("lerp",
                      _("Lerp (Linear interpolation)"),
                      _("Linearly interpolate a to b by x"),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("a (in a+(b-a)*x)"))
       .AddParameter("expression", _("b (in a+(b-a)*x)"))
@@ -468,7 +385,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
                       "relative to the origin (0;0). This is also known as "
                       "getting the cartesian coordinates of a 2D vector, using "
                       "its polar coordinates."),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Angle, in degrees"))
       .AddParameter("expression", _("Distance"));
@@ -480,18 +397,11 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
                       "relative to the origin (0;0). This is also known as "
                       "getting the cartesian coordinates of a 2D vector, using "
                       "its polar coordinates."),
-                     "",
+                     _("Mathematical tools"),
                      "res/mathfunction.png")
       .AddParameter("expression", _("Angle, in degrees"))
       .AddParameter("expression", _("Distance"));
 
-  extension
-      .AddExpression("Pi",
-                     _("Number Pi (3.1415...)"),
-                     _("The number Pi (3.1415...)"),
-                     "",
-                     "res/mathfunction.png")
-      .SetHelpPath("/all-features/expressions");
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/MouseExtension.cpp

@@ -23,10 +23,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           "separately in different events.",
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/mouse-touch")
-      .SetCategory("Input");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Mouse and touch"))
-      .SetIcon("res/actions/mouse24.png");
+      .SetExtensionHelpPath("/all-features/mouse-touch");
 
   extension
       .AddCondition(
@@ -35,7 +32,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           _("Check if the mouse wheel is scrolling up. Use MouseWheelDelta "
             "expression if you want to know the amount that was scrolled."),
           _("The mouse wheel is scrolling up"),
-          "",
+          _("Mouse and touch"),
           "res/actions/mouse24.png",
           "res/actions/mouse.png")
 
@@ -49,7 +46,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           _("Check if the mouse wheel is scrolling down. Use MouseWheelDelta "
             "expression if you want to know the amount that was scrolled."),
           _("The mouse wheel is scrolling down"),
-          "",
+          _("Mouse and touch"),
           "res/actions/mouse24.png",
           "res/actions/mouse.png")
 
@@ -67,7 +64,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
             "touchscreens. If you want to have multitouch and differentiate "
             "mouse movement and touches, just deactivate it with this action."),
           _("Move mouse cursor when touching screen: _PARAM1_"),
-          "",
+          _("Mouse and touch"),
           "res/conditions/touch24.png",
           "res/conditions/touch.png")
 
@@ -82,7 +79,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                  _("Center cursor horizontally"),
                  _("Put the cursor in the middle of the screen horizontally."),
                  _("Center cursor horizontally"),
-                 "",
+                 _("Mouse and touch"),
                  "res/actions/mouse24.png",
                  "res/actions/mouse.png")
 
@@ -94,7 +91,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                  _("Center cursor vertically"),
                  _("Put the cursor in the middle of the screen vertically."),
                  _("Center cursor vertically"),
-                 "",
+                 _("Mouse and touch"),
                  "res/actions/mouse24.png",
                  "res/actions/mouse.png")
 
@@ -106,7 +103,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                  _("Hide the cursor"),
                  _("Hide the cursor."),
                  _("Hide the cursor"),
-                 "",
+                 _("Mouse and touch"),
                  "res/actions/mouse24.png",
                  "res/actions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -117,7 +114,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                  _("Show the cursor"),
                  _("Show the cursor."),
                  _("Show the cursor"),
-                 "",
+                 _("Mouse and touch"),
                  "res/actions/mouse24.png",
                  "res/actions/mouse.png")
 
@@ -129,7 +126,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                  _("Position the cursor of the mouse"),
                  _("Position the cursor at the given coordinates."),
                  _("Position cursor at _PARAM1_;_PARAM2_"),
-                 "",
+                 _("Mouse and touch"),
                  "res/actions/mouse24.png",
                  "res/actions/mouse.png")
 
@@ -143,7 +140,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                  _("Center the cursor"),
                  _("Center the cursor on the screen."),
                  _("Center the cursor"),
-                 "",
+                 _("Mouse and touch"),
                  "res/actions/mouse24.png",
                  "res/actions/mouse.png")
 
@@ -157,7 +154,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           _("Cursor X position"),
           _("the X position of the cursor or of a touch"),
           _("the cursor (or touch) X position"),
-          "",
+          _("Mouse and touch"),
           "res/conditions/mouse24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .UseStandardParameters("number")
@@ -177,7 +174,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           _("Cursor Y position"),
           _("the Y position of the cursor or of a touch"),
           _("the cursor (or touch) Y position"),
-          "",
+          _("Mouse and touch"),
           "res/conditions/mouse24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .UseStandardParameters("number")
@@ -190,24 +187,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
   extension.AddDuplicatedCondition("SourisY", "MouseY").SetHidden();
   extension.AddDuplicatedExpression("SourisY", "MouseY").SetHidden();
 
-  extension
-      .AddCondition("IsMouseInsideCanvas",
-                    _("Mouse cursor is inside the window"),
-                    _("Check if the mouse cursor is inside the window."),
-                    _("The mouse cursor is inside the window"),
-                    "",
-                    "res/conditions/mouse24.png",
-                    "res/conditions/mouse.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .MarkAsAdvanced();
-
   extension
       .AddCondition("MouseButtonPressed",
                     _("Mouse button pressed or touch held"),
                     _("Check if the specified mouse button is pressed or "
                       "if a touch is in contact with the screen."),
                     _("Touch or _PARAM1_ mouse button is down"),
-                    "",
+                    _("Mouse and touch"),
                     "res/conditions/mouse24.png",
                     "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -223,7 +209,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                     _("Mouse button released"),
                     _("Check if the specified mouse button was released."),
                     _("_PARAM1_ mouse button was released"),
-                    "",
+                    _("Mouse and touch"),
                     "res/conditions/mouse24.png",
                     "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -237,13 +223,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           _("Check if a mouse button, retrieved from the result of the "
             "expression, is pressed."),
           _("_PARAM1_ mouse button is pressed"),
-          "",
+          _("Mouse and touch"),
           "res/conditions/mouse24.png",
           "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("stringWithSelector",
-                    _("Expression generating the mouse button to check"),
-                    "[\"Left\", \"Right\", \"Middle\"]")
+      .AddParameter("string", _("Expression generating the button to check"))
       .SetParameterLongDescription(
           _("Possible values are Left, Right and Middle."))
       .MarkAsAdvanced();
@@ -255,13 +239,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           _("Check if a mouse button, retrieved from the result of the "
             "expression, was just released."),
           _("_PARAM1_ mouse button is released"),
-          "",
+          _("Mouse and touch"),
           "res/conditions/mouse24.png",
           "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("stringWithSelector",
-                    _("Expression generating the mouse button to check"),
-                    "[\"Left\", \"Right\", \"Middle\"]")
+      .AddParameter("string",
+                    _("Expression generating the mouse button to check"))
       .SetParameterLongDescription(
           _("Possible values are Left, Right and Middle."))
       .MarkAsAdvanced();
@@ -272,7 +255,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                                  _("Touch X position"),
                                  _("the X position of a specific touch"),
                                  _("the touch #_PARAM1_ X position"),
-                                 _("Multitouch"),
+                                 _("Mouse and touch/Multitouch"),
                                  "res/conditions/touch24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("expression", _("Touch identifier"))
@@ -288,7 +271,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                                  _("Touch Y position"),
                                  _("the Y position of a specific touch"),
                                  _("the touch #_PARAM1_ Y position"),
-                                 _("Multitouch"),
+                                 _("Mouse and touch/Multitouch"),
                                  "res/conditions/touch24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("expression", _("Touch identifier"))
@@ -308,11 +291,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
             "next time you use it, it will be for a new touch, or it will "
             "return false if no more touches have just started."),
           _("A new touch has started"),
-          _("Multitouch"),
+          _("Mouse and touch/Multitouch"),
           "res/conditions/touch24.png",
           "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .SetHidden();
+      .AddCodeOnlyParameter("currentScene", "");
 
   extension
       .AddCondition(
@@ -324,57 +306,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
             "time you use it, it will be for a new touch, or it will return "
             "false if no more touches have just ended."),
           _("A touch has ended"),
-          _("Multitouch"),
-          "res/conditions/touch24.png",
-          "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .SetHidden();
-
-  extension
-      .AddCondition(
-          "HasAnyTouchStarted",
-          _("A new touch has started"),
-          _("Check if a touch has just started on this frame. The touch identifiers can be "
-            "accessed using StartedTouchId() and StartedTouchCount()."),
-          _("A new touch has started"),
-          _("Multitouch"),
+          _("Mouse and touch/Multitouch"),
           "res/conditions/touch24.png",
           "res/conditions/touch.png")
       .AddCodeOnlyParameter("currentScene", "");
 
-  extension
-      .AddExpression(
-          "StartedTouchCount",
-          _("Started touch count"),
-          _("The number of touches that have just started on this frame. The touch identifiers can be "
-            "accessed using StartedTouchId()."),
-          _("Multitouch"),
-          "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "");
-
-  extension
-      .AddExpression(
-          "StartedTouchId",
-          _("Started touch identifier"),
-          _("The identifier of the touch that has just started on this frame. The touch number of touches can be "
-            "accessed using StartedTouchCount()."),
-          _("Multitouch"),
-          "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("expression", _("Touch index"));
-
-  extension
-      .AddCondition(
-          "HasTouchEnded",
-          _("A touch has ended"),
-          _("Check if a touch has ended."),
-          _("The touch with identifier _PARAM1_ has ended"),
-          _("Multitouch"),
-          "res/conditions/touch24.png",
-          "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("expression", _("Touch identifier"));
-
   extension
       .AddExpression("MouseWheelDelta",
                      _("Mouse wheel: Displacement"),
@@ -387,19 +323,17 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
       .AddExpression("LastTouchId",
                      _("Identifier of the last touch"),
                      _("Identifier of the last touch"),
-                     _("Multitouch"),
+                     _("Mouse and touch/Multitouch"),
                      "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .SetHidden();
+      .AddCodeOnlyParameter("currentScene", "");
 
   extension
       .AddExpression("LastEndedTouchId",
                      _("Identifier of the last ended touch"),
                      _("Identifier of the last ended touch"),
-                     _("Multitouch"),
+                     _("Mouse and touch/Multitouch"),
                      "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .SetHidden();
+      .AddCodeOnlyParameter("currentScene", "");
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/NetworkExtension.cpp

@@ -14,15 +14,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsNetworkExtension(
   extension
       .SetExtensionInformation(
           "BuiltinNetwork",
-          _("Network"),
+          _("Basic internet features"),
           _("Features to send web requests, communicate with external \"APIs\" "
             "and other network related tasks."),
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/network")
-      .SetCategory("Network");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Network"))
-      .SetIcon("res/actions/net24.png");
+      .SetExtensionHelpPath("/all-features/network");
 
   extension
       .AddAction(
@@ -33,7 +30,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsNetworkExtension(
           "as specified below, except if the server is configured to answer "
           "to all requests (cross-domain requests).",
           "Send _PARAM3_ request to _PARAM0__PARAM1_ with body: _PARAM2_",
-          "",
+          _("Network"),
           "res/actions/net24.png",
           "res/actions/net.png")
       .AddParameter("string", "Host, with protocol")
@@ -68,7 +65,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsNetworkExtension(
             "to all requests (cross-domain requests)."),
           _("Send a _PARAM2_ request to _PARAM0_ with body: _PARAM1_, and "
             "store the result in _PARAM4_ (or in _PARAM5_ in case of error)"),
-          "",
+          _("Network"),
           "res/actions/net24.png",
           "res/actions/net.png")
       .AddParameter("string", _("URL (API or web-page address)"))
@@ -95,37 +92,20 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsNetworkExtension(
             "explore the results with a *structure variable*."))
       .AddParameter(
           "scenevar", _("Variable where to store the error message"), "", true)
-      .SetParameterLongDescription(_(
-          "Optional, only used if an error occurs. This will contain the "
-          "[\"status "
-          "code\"](https://en.wikipedia.org/wiki/List_of_HTTP_status_codes) "
-          "if the server returns a status >= 400. If the request was not sent "
-          "at all (e.g. no internet or CORS issues), the variable will be set "
-          "to "
-          "\"REQUEST_NOT_SENT\"."))
+      .SetParameterLongDescription(
+          _("Optional, only used if an error occurs. This will contain the "
+            "error message (if request could not be sent) or the [\"status "
+            "code\"](https://en.wikipedia.org/wiki/List_of_HTTP_status_codes), "
+            "if the server returns a status >= 400."))
       .MarkAsComplex();
 
-  extension
-      .AddAction("LaunchFile",
-                 _("Open a URL (web page) or a file"),
-                 _("This action launches the specified file or URL, in a "
-                   "browser (or in a new tab if the game is using the Web "
-                   "platform and is launched inside a browser)."),
-                 _("Open URL _PARAM0_ in a browser (or new tab)"),
-                 "",
-                 "res/actions/net24.png",
-                 "res/actions/net.png")
-      .AddParameter("string", _("URL (or filename)"))
-      .AddCodeOnlyParameter("currentScene", "")
-      .MarkAsAdvanced();
-
   extension
       .AddAction(
           "DownloadFile",
           _("Download a file"),
           _("Download a file from a web site"),
           _("Download file _PARAM1_ from _PARAM0_ under the name of _PARAM2_"),
-          "",
+          _("Network"),
           "res/actions/net24.png",
           "res/actions/net.png")
       .AddParameter("string", _("Host (for example : http://www.website.com)"))
@@ -143,11 +123,78 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsNetworkExtension(
             "terms of service of your game and if they player gave their "
             "consent, depending on how your game/company handles this."),
           _("Enable analytics metrics: _PARAM1_"),
-          "",
+          _("Network"),
           "res/actions/net24.png",
           "res/actions/net.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("yesorno", _("Enable the metrics?"));
+
+  extension
+      .AddAction(
+          "JSONToVariableStructure",
+          _("Convert JSON to a scene variable"),
+          _("Parse a JSON object and store it into a scene variable"),
+          _("Parse JSON string _PARAM0_ and store it into variable _PARAM1_"),
+          _("Network"),
+          "res/actions/net24.png",
+          "res/actions/net.png")
+      .AddParameter("string", _("JSON string"))
+      .AddParameter("scenevar", _("Variable where store the JSON object"))
+      .MarkAsAdvanced();
+
+  extension
+      .AddAction("JSONToGlobalVariableStructure",
+                 _("Convert JSON to global variable"),
+                 _("Parse a JSON object and store it into a global variable"),
+                 _("Parse JSON string _PARAM0_ and store it into global "
+                   "variable _PARAM1_"),
+                 _("Network"),
+                 "res/actions/net24.png",
+                 "res/actions/net.png")
+      .AddParameter("string", _("JSON string"))
+      .AddParameter("globalvar",
+                    _("Global variable where store the JSON object"))
+      .MarkAsAdvanced();
+
+  extension
+      .AddAction("JSONToObjectVariableStructure",
+                 _("Convert JSON to object variable"),
+                 _("Parse a JSON object and store it into an object variable"),
+                 _("Parse JSON string _PARAM0_ and store it into variable "
+                   "_PARAM2_ of _PARAM1_"),
+                 _("Network"),
+                 "res/actions/net24.png",
+                 "res/actions/net.png")
+      .AddParameter("string", _("JSON string"))
+      .AddParameter("objectPtr", _("Object"))
+      .AddParameter("objectvar",
+                    _("Object variable where store the JSON object"))
+      .MarkAsAdvanced();
+
+  extension
+      .AddStrExpression("ToJSON",
+                        _("Convert scene variable to JSON"),
+                        _("Convert a scene variable to JSON"),
+                        _("Conversion"),
+                        "res/conditions/toujours24.png")
+      .AddParameter("scenevar", _("Scene variable to be stringified"));
+
+  extension
+      .AddStrExpression("GlobalVarToJSON",
+                        _("Convert global variable to JSON"),
+                        _("Convert a global variable to JSON"),
+                        _("Conversion"),
+                        "res/conditions/toujours24.png")
+      .AddParameter("globalvar", _("The global variable to be stringified"));
+
+  extension
+      .AddStrExpression("ObjectVarToJSON",
+                        _("Convert object variable to JSON"),
+                        _("Convert an object variable to JSON"),
+                        _("Conversion"),
+                        "res/conditions/toujours24.png")
+      .AddParameter("objectPtr", _("The object with the variable"))
+      .AddParameter("objectvar", _("The object variable to be stringified"));
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/SceneExtension.cpp

@@ -14,19 +14,67 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
   extension
       .SetExtensionInformation(
           "BuiltinScene",
-          _("Scene"),
+          _("Scene management features"),
           _("Actions and conditions to manipulate the scenes during the game."),
           "Florian Rival",
           "Open source (MIT License)")
       .SetExtensionHelpPath("" /*TODO: Add a documentation page for this */);
-  extension.AddInstructionOrExpressionGroupMetadata(_("Scene"))
-      .SetIcon("res/conditions/depart24.png");
+
+
+  extension
+      .AddExpression("Random",
+                     _("Random integer"),
+                     _("Random integer"),
+                     _("Random"),
+                     "res/actions/position.png")
+      .SetHelpPath("/all-features/expressions")
+      .AddParameter("expression", _("Maximum value"));
+
+  extension
+      .AddExpression("RandomInRange",
+                     _("Random integer in range"),
+                     _("Random integer in range"),
+                     _("Random"),
+                     "res/actions/position.png")
+      .SetHelpPath("/all-features/expressions")
+      .AddParameter("expression", _("Minimum value"))
+      .AddParameter("expression", _("Maximum value"));
+
+  extension
+      .AddExpression("RandomFloat",
+                     _("Random float"),
+                     _("Random float"),
+                     _("Random"),
+                     "res/actions/position.png")
+      .SetHelpPath("/all-features/expressions")
+      .AddParameter("expression", _("Maximum value"));
+
+  extension
+      .AddExpression("RandomFloatInRange",
+                     _("Random float in range"),
+                     _("Random float in range"),
+                     _("Random"),
+                     "res/actions/position.png")
+      .SetHelpPath("/all-features/expressions")
+      .AddParameter("expression", _("Minimum value"))
+      .AddParameter("expression", _("Maximum value"));
+
+  extension
+      .AddExpression("RandomWithStep",
+                     _("Random value in steps"),
+                     _("Random value in steps"),
+                     _("Random"),
+                     "res/actions/position.png")
+      .SetHelpPath("/all-features/expressions")
+      .AddParameter("expression", _("Minimum value"))
+      .AddParameter("expression", _("Maximum value"))
+      .AddParameter("expression", _("Step"));
 
   extension
       .AddStrExpression("CurrentSceneName",
                         _("Current scene name"),
                         _("Name of the current scene"),
-                        "",
+                        _("Scene"),
                         "res/actions/texte.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -35,7 +83,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
                     _("At the beginning of the scene"),
                     _("Is true only when scene just begins."),
                     _("At the beginning of the scene"),
-                    "",
+                    _("Scene"),
                     "res/conditions/depart24.png",
                     "res/conditions/depart.png")
       .SetHelpPath("/interface/scene-editor/events")
@@ -47,7 +95,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
                     _("Scene just resumed"),
                     _("The scene has just resumed after being paused."),
                     _("Scene just resumed"),
-                    "",
+                    _("Scene"),
                     "res/conditions/depart24.png",
                     "res/conditions/depart.png")
       .SetHelpPath("/interface/scene-editor/events")
@@ -59,7 +107,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
                  _("Change the scene"),
                  _("Stop this scene and start the specified one instead."),
                  _("Change to scene _PARAM1_"),
-                 "",
+                 _("Scene"),
                  "res/actions/replaceScene24.png",
                  "res/actions/replaceScene.png")
       .SetHelpPath("/interface/scene-editor/events")
@@ -76,7 +124,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
                    "can use the \"Stop and go back to previous scene\" action "
                    "to go back to this scene."),
                  _("Pause the scene and start _PARAM1_"),
-                 "",
+                 _("Scene"),
                  "res/actions/pushScene24.png",
                  "res/actions/pushScene.png")
       .SetHelpPath("/interface/scene-editor/events")
@@ -91,7 +139,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
           _("Stop this scene and go back to the previous paused one.\nTo pause "
             "a scene, use the \"Pause and start a new scene\" action."),
           _("Stop the scene and go back to the previous paused one"),
-          "",
+          _("Scene"),
           "res/actions/popScene24.png",
           "res/actions/popScene.png")
       .SetHelpPath("/interface/scene-editor/events")
@@ -103,7 +151,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
                  _("Quit the game"),
                  _("Quit the game"),
                  _("Quit the game"),
-                 "",
+                 _("Scene"),
                  "res/actions/quit24.png",
                  "res/actions/quit.png")
       .SetHelpPath("/interface/scene-editor/events")
@@ -112,10 +160,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
 
   extension
       .AddAction("SceneBackground",
-                 _("Background color"),
+                 _("Change background color"),
                  _("Change the background color of the scene."),
                  _("Set background color to _PARAM1_"),
-                 "",
+                 _("Scene"),
                  "res/actions/background24.png",
                  "res/actions/background.png")
       .SetHelpPath("/interface/scene-editor/events")
@@ -129,13 +177,41 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
                  _("mouse buttons must be taken "
                    "into account even\nif the window is not active."),
                  _("Disable input when focus is lost: _PARAM1_"),
-                 "",
+                 _("Scene"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .SetHelpPath("/interface/scene-editor/events")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("yesorno", _("Deactivate input when focus is lost"))
       .MarkAsAdvanced();
+
+  extension
+      .AddCondition("Egal",
+                    _("Compare two numbers"),
+                    _("Compare the two numbers."),
+                    _("_PARAM0_ _PARAM1_ _PARAM2_"),
+                    _("Other"),
+                    "res/conditions/egal24.png",
+                    "res/conditions/egal.png")
+      .SetHelpPath("/all-features/advanced-conditions")
+      .AddParameter("expression", _("First expression"))
+      .AddParameter("relationalOperator", _("Sign of the test"), "number")
+      .AddParameter("expression", _("Second expression"))
+      .MarkAsAdvanced();
+
+  extension
+      .AddCondition("StrEqual",
+                    _("Compare two strings"),
+                    _("Compare the two strings."),
+                    _("_PARAM0_ _PARAM1_ _PARAM2_"),
+                    _("Other"),
+                    "res/conditions/egal24.png",
+                    "res/conditions/egal.png")
+      .SetHelpPath("/all-features/advanced-conditions")
+      .AddParameter("string", _("First string expression"))
+      .AddParameter("relationalOperator", _("Sign of the test"), "string")
+      .AddParameter("string", _("Second string expression"))
+      .MarkAsAdvanced();
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/SpriteExtension/Direction.cpp

@@ -4,10 +4,8 @@
  * reserved. This project is released under the MIT License.
  */
 #include "GDCore/Extensions/Builtin/SpriteExtension/Direction.h"
-
 #include <iostream>
 #include <vector>
-
 #include "GDCore/CommonTools.h"
 #include "GDCore/Extensions/Builtin/SpriteExtension/Sprite.h"
 #include "GDCore/Serialization/SerializerElement.h"
@@ -31,15 +29,6 @@ const Sprite& Direction::GetSprite(std::size_t nb) const { return sprites[nb]; }
 
 Sprite& Direction::GetSprite(std::size_t nb) { return sprites[nb]; }
 
-const std::vector<gd::String>& Direction::GetSpriteNames() const {
-  static std::vector<gd::String> spriteNames;
-  spriteNames.clear();
-  for (std::size_t i = 0; i < sprites.size(); ++i) {
-    spriteNames.push_back(sprites[i].GetImageName());
-  }
-  return spriteNames;
-}
-
 void Direction::RemoveSprite(std::size_t index) {
   if (index < sprites.size()) sprites.erase(sprites.begin() + index);
 }
@@ -132,7 +121,7 @@ void Direction::UnserializeFrom(const gd::SerializerElement& element) {
             polygonElement.GetChild(k);
 
         polygon.vertices.push_back(
-            gd::Vector2f(verticeElement.GetDoubleAttribute("x"),
+            sf::Vector2f(verticeElement.GetDoubleAttribute("x"),
                          verticeElement.GetDoubleAttribute("y")));
       }
 

Core/GDCore/Extensions/Builtin/SpriteExtension/Direction.h

@@ -72,13 +72,6 @@ class GD_CORE_API Direction {
    */
   Sprite& GetSprite(std::size_t nb);
 
-  /**
-   * \brief Return a vector of references to sprite names.
-   *
-   * \return A vector of all sprite names references.
-   */
-  const std::vector<gd::String>& GetSpriteNames() const;
-
   /**
    * \brief Check if the direction contains sprites.
    *

Core/GDCore/Extensions/Builtin/SpriteExtension/Polygon2d.cpp

@@ -4,7 +4,7 @@
  * reserved. This project is released under the MIT License.
  */
 #include "Polygon2d.h"
-#include "GDCore/Vector2.h"
+#include <SFML/System/Vector2.hpp>
 #include <cmath>
 #include <iostream>
 
@@ -28,7 +28,7 @@ void Polygon2d::Move(float x, float y) {
 }
 
 void Polygon2d::ComputeEdges() const {
-  gd::Vector2f v1, v2;
+  sf::Vector2f v1, v2;
   edges.clear();
 
   for (std::size_t i = 0; i < vertices.size(); i++) {
@@ -62,8 +62,8 @@ bool Polygon2d::IsConvex() const {
   return true;
 }
 
-gd::Vector2f Polygon2d::ComputeCenter() const {
-  gd::Vector2f center;
+sf::Vector2f Polygon2d::ComputeCenter() const {
+  sf::Vector2f center;
 
   for (std::size_t i = 0; i < vertices.size(); i++) {
     center.x += vertices[i].x;
@@ -77,10 +77,10 @@ gd::Vector2f Polygon2d::ComputeCenter() const {
 
 Polygon2d Polygon2d::CreateRectangle(float width, float height) {
   Polygon2d rect;
-  rect.vertices.push_back(gd::Vector2f(-width / 2.0f, -height / 2.0f));
-  rect.vertices.push_back(gd::Vector2f(+width / 2.0f, -height / 2.0f));
-  rect.vertices.push_back(gd::Vector2f(+width / 2.0f, +height / 2.0f));
-  rect.vertices.push_back(gd::Vector2f(-width / 2.0f, +height / 2.0f));
+  rect.vertices.push_back(sf::Vector2f(-width / 2.0f, -height / 2.0f));
+  rect.vertices.push_back(sf::Vector2f(+width / 2.0f, -height / 2.0f));
+  rect.vertices.push_back(sf::Vector2f(+width / 2.0f, +height / 2.0f));
+  rect.vertices.push_back(sf::Vector2f(-width / 2.0f, +height / 2.0f));
 
   return rect;
 }

Core/GDCore/Extensions/Builtin/SpriteExtension/Polygon2d.h

@@ -5,7 +5,7 @@
  */
 #ifndef GDCORE_POLYGON_H
 #define GDCORE_POLYGON_H
-#include "GDCore/Vector2.h"
+#include <SFML/System/Vector2.hpp>
 #include <vector>
 
 /**
@@ -22,19 +22,19 @@ class GD_CORE_API Polygon2d {
   Polygon2d(){};
   virtual ~Polygon2d(){};
 
-  std::vector<gd::Vector2f> vertices;  ///< The vertices composing the polygon
-  mutable std::vector<gd::Vector2f>
+  std::vector<sf::Vector2f> vertices;  ///< The vertices composing the polygon
+  mutable std::vector<sf::Vector2f>
       edges;  ///< Edges. Can be computed from vertices using ComputeEdges()
 
   /**
    * \brief Get the vertices composing the polygon.
    */
-  std::vector<gd::Vector2f>& GetVertices() { return vertices; }
+  std::vector<sf::Vector2f>& GetVertices() { return vertices; }
 
   /**
    * \brief Get the vertices composing the polygon.
    */
-  const std::vector<gd::Vector2f>& GetVertices() const { return vertices; }
+  const std::vector<sf::Vector2f>& GetVertices() const { return vertices; }
 
   /**
    * \brief Moves each vertices from the given amount.
@@ -68,7 +68,7 @@ class GD_CORE_API Polygon2d {
   /**
    * \brief Return the position of the center of the polygon
    */
-  gd::Vector2f ComputeCenter() const;
+  sf::Vector2f ComputeCenter() const;
 
   /** \name Tools
    * Tool functions

Core/GDCore/Extensions/Builtin/SpriteExtension/Sprite.cpp

@@ -4,6 +4,7 @@
  * reserved. This project is released under the MIT License.
  */
 #include "GDCore/Extensions/Builtin/SpriteExtension/Sprite.h"
+#include <SFML/Graphics/Sprite.hpp>
 #include <iostream>
 #include "GDCore/Extensions/Builtin/SpriteExtension/Polygon2d.h"
 

Core/GDCore/Extensions/Builtin/SpriteExtension/Sprite.h

@@ -6,6 +6,7 @@
 
 #ifndef SPRITE_H
 #define SPRITE_H
+#include <SFML/Graphics/Sprite.hpp>
 #include <memory>
 #include "GDCore/Extensions/Builtin/SpriteExtension/Point.h"
 #include "GDCore/Extensions/Builtin/SpriteExtension/Polygon2d.h"

Core/GDCore/Extensions/Builtin/SpriteExtension/SpriteExtension.cpp

@@ -22,20 +22,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                                "Florian Rival",
                                "Open source (MIT License)")
       .SetExtensionHelpPath("/objects/sprite");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Sprite"))
-      .SetIcon("CppPlatform/Extensions/spriteicon.png");
 
-  gd::ObjectMetadata& obj =
-      extension
-          .AddObject<SpriteObject>("Sprite",
-                                   _("Sprite"),
-                                   _("Animated object which can be used for "
-                                     "most elements of a game"),
-                                   "CppPlatform/Extensions/spriteicon.png")
-          .SetCategoryFullName(_("General"));
+  gd::ObjectMetadata& obj = extension.AddObject<SpriteObject>(
+      "Sprite",
+      _("Sprite"),
+      _("Animated object which can be used for most elements of a game"),
+      "CppPlatform/Extensions/spriteicon.png");
 
   obj.AddAction("Opacity",
-                _("Sprite opacity"),
+                _("Change sprite opacity"),
                 _("Change the opacity of a Sprite. 0 is fully transparent, 255 "
                   "is opaque (default)."),
                 _("the opacity"),
@@ -81,10 +76,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
            "is in 8 directions mode, the valid directions are 0..7"),
          _("the direction"),
          _("Direction"),
-         "res/actions/direction24_black.png",
-         "res/actions/direction_black.png")
-      .SetHidden()  // Hide as 8 direction is not supported officially in the
-                    // interface.
+         "res/actions/direction24.png",
+         "res/actions/direction.png")
+      .SetHidden() // Hide as 8 direction is not supported officially in the interface.
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardOperatorParameters("number")
       .MarkAsAdvanced();
@@ -142,8 +136,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                 "Rotate an object towards a position.",
                 "Rotate _PARAM0_ towards _PARAM1_;_PARAM2_",
                 _("Direction"),
-                "res/actions/rotate24_black.png",
-                "res/actions/rotate_black.png")
+                "res/actions/direction24.png",
+                "res/actions/direction.png")
 
       .AddParameter("object", _("Object to be rotated"), "Sprite")
       .AddParameter("expression", _("X position"))
@@ -158,8 +152,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                 _("Modify the scale of the specified object."),
                 _("the scale"),
                 _("Size"),
-                "res/actions/scale24_black.png",
-                "res/actions/scale_black.png")
+                "res/actions/scale24.png",
+                "res/actions/scale.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardOperatorParameters("number")
@@ -170,8 +164,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                 _("Modify the scale of the width of an object."),
                 _("the width's scale"),
                 _("Size"),
-                "res/actions/scaleWidth24_black.png",
-                "res/actions/scaleWidth_black.png")
+                "res/actions/scale24.png",
+                "res/actions/scale.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardOperatorParameters("number")
@@ -182,8 +176,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                 _("Modify the scale of the height of an object."),
                 _("the height's scale"),
                 _("Size"),
-                "res/actions/scaleHeight24_black.png",
-                "res/actions/scaleHeight_black.png")
+                "res/actions/scale24.png",
+                "res/actions/scale.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardOperatorParameters("number")
@@ -194,62 +188,25 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                 _("Change the width of a Sprite object."),
                 _("the width"),
                 _("Size"),
-                "res/actions/scaleWidth24_black.png",
-                "res/actions/scaleWidth_black.png")
+                "res/actions/scale24.png",
+                "res/actions/scale.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardOperatorParameters("number")
       .MarkAsAdvanced();
 
-  obj.AddCondition("Width",
-                   _("Width"),
-                   _("Compare the width of a Sprite object."),
-                   _("the width"),
-                   _("Size"),
-                   "res/conditions/scaleWidth24_black.png",
-                   "res/conditions/scaleWidth_black.png")
-
-      .AddParameter("object", _("Object"), "Sprite")
-      .UseStandardRelationalOperatorParameters("number")
-      .MarkAsAdvanced();
-
   obj.AddAction("ChangeHeight",
                 _("Height"),
                 _("Change the height of a Sprite object."),
                 _("the height"),
                 _("Size"),
-                "res/actions/scaleHeight24_black.png",
-                "res/actions/scaleHeight_black.png")
+                "res/actions/scale24.png",
+                "res/actions/scale.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardOperatorParameters("number")
       .MarkAsAdvanced();
 
-  obj.AddCondition("Height",
-                   _("Height"),
-                   _("Compare the height of a Sprite object."),
-                   _("the height"),
-                   _("Size"),
-                   "res/conditions/scaleHeight24_black.png",
-                   "res/conditions/scaleHeight_black.png")
-
-      .AddParameter("object", _("Object"), "Sprite")
-      .UseStandardRelationalOperatorParameters("number")
-      .MarkAsAdvanced();
-
-  obj.AddAction("SetSize",
-                _("Size"),
-                _("Change the size of an object."),
-                _("Change the size of _PARAM0_: set to _PARAM1_x_PARAM2_"),
-                _("Size"),
-                "res/actions/scale24_black.png",
-                "res/actions/scale_black.png")
-
-      .AddParameter("object", _("Object"))
-      .AddParameter("expression", _("Width"))
-      .AddParameter("expression", _("Height"))
-      .MarkAsAdvanced();
-
   obj.AddCondition(
          "Animation",
          _("Current animation"),
@@ -283,10 +240,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
            "from 0 to 7. Otherwise, the direction is in degrees."),
          _("the direction"),
          _("Direction"),
-         "res/conditions/direction24_black.png",
-         "res/conditions/direction_black.png")
-      .SetHidden()  // Hide as 8 direction is not supported officially in the
-                    // interface.
+         "res/conditions/direction24.png",
+         "res/conditions/direction.png")
+      .SetHidden() // Hide as 8 direction is not supported officially in the interface.
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardRelationalOperatorParameters("number");
 
@@ -324,19 +280,6 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                    "res/conditions/animation24.png",
                    "res/conditions/animation.png")
 
-      .AddParameter("object", _("Object"), "Sprite")
-      .MarkAsSimple()
-      .SetHidden();
-
-  obj.AddCondition("AnimationEnded2",
-                   _("Animation finished"),
-                   _("Check if the animation being played by the Sprite object "
-                     "is finished."),
-                   _("The animation of _PARAM0_ is finished"),
-                   _("Animations and images"),
-                   "res/conditions/animation24.png",
-                   "res/conditions/animation.png")
-
       .AddParameter("object", _("Object"), "Sprite")
       .MarkAsSimple();
 
@@ -345,8 +288,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                    _("Compare the scale of the width of an object."),
                    _("the width's scale"),
                    _("Size"),
-                   "res/conditions/scaleWidth24_black.png",
-                   "res/conditions/scaleWidth_black.png")
+                   "res/conditions/scaleWidth24.png",
+                   "res/conditions/scaleWidth.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardRelationalOperatorParameters("number")
@@ -357,8 +300,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                    _("Compare the scale of the height of an object."),
                    _("the height's scale"),
                    _("Size"),
-                   "res/conditions/scaleHeight24_black.png",
-                   "res/conditions/scaleHeight_black.png")
+                   "res/conditions/scaleHeight24.png",
+                   "res/conditions/scaleHeight.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardRelationalOperatorParameters("number")
@@ -418,7 +361,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
   obj.AddAction("FlipX",
                 _("Flip the object horizontally"),
                 _("Flip the object horizontally"),
-                _("Flip horizontally _PARAM0_: _PARAM1_"),
+                _("Flip horizontally _PARAM0_ : _PARAM1_"),
                 _("Effects"),
                 "res/actions/flipX24.png",
                 "res/actions/flipX.png")
@@ -430,7 +373,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
   obj.AddAction("FlipY",
                 _("Flip the object vertically"),
                 _("Flip the object vertically"),
-                _("Flip vertically _PARAM0_: _PARAM1_"),
+                _("Flip vertically _PARAM0_ : _PARAM1_"),
                 _("Effects"),
                 "res/actions/flipY24.png",
                 "res/actions/flipY.png")
@@ -464,8 +407,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                 "Rotate an object towards another.",
                 "Rotate _PARAM0_ towards _PARAM1_",
                 _("Direction"),
-                "res/actions/rotate24_black.png",
-                "res/actions/rotate_black.png")
+                "res/actions/direction24.png",
+                "res/actions/direction.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .AddParameter("objectPtr", "Rotate toward this object")
@@ -476,7 +419,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("X position of a point"),
                     _("X position of a point"),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .SetHidden()
       .AddParameter("object", _("Object"), "Sprite")
       .AddParameter("objectPointName", _("Name of the point"), "", true);
@@ -485,7 +428,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("Y position of a point"),
                     _("Y position of a point"),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
       .SetHidden()
       .AddParameter("object", _("Object"), "Sprite")
       .AddParameter("objectPointName", _("Name of the point"), "", true);
@@ -494,7 +437,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("X position of a point"),
                     _("X position of a point"),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .AddParameter("objectPointName", _("Name of the point"));
@@ -503,7 +446,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("Y position of a point"),
                     _("Y position of a point"),
                     _("Position"),
-                    "res/actions/position_black.png")
+                    "res/actions/position.png")
 
       .AddParameter("object", _("Object"), "Sprite")
       .AddParameter("objectPointName", _("Name of the point"));
@@ -512,7 +455,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("Direction"),
                     _("Direction of the object"),
                     _("Direction"),
-                    "res/actions/direction_black.png")
+                    "res/actions/direction.png")
       .SetHidden()
       .AddParameter("object", _("Object"), "Sprite");
 
@@ -520,9 +463,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("Direction"),
                     _("Direction of the object"),
                     _("Direction"),
-                    "res/actions/direction_black.png")
-      .SetHidden()  // Hide as 8 direction is not supported officially in the
-                    // interface.
+                    "res/actions/direction.png")
+      .SetHidden() // Hide as 8 direction is not supported officially in the interface.
       .AddParameter("object", _("Object"), "Sprite");
 
   obj.AddExpression("Anim",
@@ -565,14 +507,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("Scale of the width of an object"),
                     _("Scale of the width of an object"),
                     _("Size"),
-                    "res/actions/scaleWidth_black.png")
+                    "res/actions/scaleWidth.png")
       .AddParameter("object", _("Object"), "Sprite");
 
   obj.AddExpression("ScaleY",
                     _("Scale of the height of an object"),
                     _("Scale of the height of an object"),
                     _("Size"),
-                    "res/actions/scaleHeight_black.png")
+                    "res/actions/scaleHeight.png")
       .AddParameter("object", _("Object"), "Sprite");
 
   obj.AddExpression("Opacity",

Core/GDCore/Extensions/Builtin/SpriteExtension/SpriteObject.cpp

@@ -4,28 +4,29 @@
  * reserved. This project is released under the MIT License.
  */
 
-#include "GDCore/Extensions/Builtin/SpriteExtension/SpriteObject.h"
-
 #include <algorithm>
-
 #include "GDCore/CommonTools.h"
 #include "GDCore/Extensions/Builtin/SpriteExtension/Animation.h"
 #include "GDCore/Extensions/Builtin/SpriteExtension/Direction.h"
 #include "GDCore/Extensions/Builtin/SpriteExtension/Sprite.h"
-#include "GDCore/IDE/Project/ArbitraryResourceWorker.h"
+#include "GDCore/Extensions/Builtin/SpriteExtension/SpriteObject.h"
 #include "GDCore/Project/InitialInstance.h"
 #include "GDCore/Project/Layout.h"
 #include "GDCore/Project/Object.h"
 #include "GDCore/Project/Project.h"
-#include "GDCore/Project/PropertyDescriptor.h"
 #include "GDCore/Serialization/SerializerElement.h"
 #include "GDCore/Tools/Localization.h"
 
+#include <SFML/Graphics.hpp>
+#include "GDCore/Project/PropertyDescriptor.h"
+#include "GDCore/IDE/Project/ArbitraryResourceWorker.h"
+
 namespace gd {
 
 Animation SpriteObject::badAnimation;
 
-SpriteObject::SpriteObject() : updateIfNotVisible(false) {}
+SpriteObject::SpriteObject(gd::String name_)
+    : Object(name_), updateIfNotVisible(false) {}
 
 SpriteObject::~SpriteObject(){};
 
@@ -102,8 +103,7 @@ void SpriteObject::DoSerializeTo(gd::SerializerElement& element) const {
   }
 }
 
-std::map<gd::String, gd::PropertyDescriptor> SpriteObject::GetProperties()
-    const {
+std::map<gd::String, gd::PropertyDescriptor> SpriteObject::GetProperties() const {
   std::map<gd::String, gd::PropertyDescriptor> properties;
   properties[_("Animate even if hidden or far from the screen")]
       .SetValue(updateIfNotVisible ? "true" : "false")
@@ -135,30 +135,22 @@ void SpriteObject::ExposeResources(gd::ArbitraryResourceWorker& worker) {
 }
 
 std::map<gd::String, gd::PropertyDescriptor>
-SpriteObject::GetInitialInstanceProperties(
-    const gd::InitialInstance& initialInstance,
-    gd::Project& project,
-    gd::Layout& scene) {
+SpriteObject::GetInitialInstanceProperties(const gd::InitialInstance& position,
+                                           gd::Project& project,
+                                           gd::Layout& scene) {
   std::map<gd::String, gd::PropertyDescriptor> properties;
-  properties["animation"] =
-      gd::PropertyDescriptor(
-          gd::String::From(initialInstance.GetRawDoubleProperty("animation")))
-          .SetLabel(_("Animation"))
-          .SetType("number");
+  properties[_("Animation")] = gd::String::From(position.GetRawDoubleProperty("animation"));
 
   return properties;
 }
 
-bool SpriteObject::UpdateInitialInstanceProperty(
-    gd::InitialInstance& initialInstance,
-    const gd::String& name,
-    const gd::String& value,
-    gd::Project& project,
-    gd::Layout& scene) {
-  if (name == "animation") {
-    initialInstance.SetRawDoubleProperty(
-        "animation", std::max(0, value.empty() ? 0 : value.To<int>()));
-  }
+bool SpriteObject::UpdateInitialInstanceProperty(gd::InitialInstance& position,
+                                                 const gd::String& name,
+                                                 const gd::String& value,
+                                                 gd::Project& project,
+                                                 gd::Layout& scene) {
+  if (name == _("Animation"))
+    position.SetRawDoubleProperty("animation", value.To<int>());
 
   return true;
 }

Core/GDCore/Extensions/Builtin/SpriteExtension/SpriteObject.h

@@ -36,11 +36,11 @@ namespace gd {
  * \see gd::BuiltinExtensionsImplementer::ImplementsSpriteExtension
  * \ingroup SpriteObjectExtension
  */
-class GD_CORE_API SpriteObject : public gd::ObjectConfiguration {
+class GD_CORE_API SpriteObject : public gd::Object {
  public:
-  SpriteObject();
+  SpriteObject(gd::String name_);
   virtual ~SpriteObject();
-  std::unique_ptr<gd::ObjectConfiguration> Clone() const override {
+  std::unique_ptr<gd::Object> Clone() const override {
     return gd::make_unique<SpriteObject>(*this);
   }
 

Core/GDCore/Extensions/Builtin/StringInstructionsExtension.cpp

@@ -20,21 +20,19 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
           "Florian Rival",
           "Open source (MIT License)")
       .SetExtensionHelpPath("" /*TODO: Add a documentation page for this */);
-  extension.AddInstructionOrExpressionGroupMetadata(_("Text manipulation"))
-      .SetIcon("res/actions/text24_black.png");
 
   extension.AddStrExpression("NewLine",
                              _("Insert a new line"),
                              _("Insert a new line"),
-                             "",
-                             "res/conditions/toujours24_black.png");
+                             _("Manipulation of text"),
+                             "res/conditions/toujours24.png");
 
   extension
       .AddStrExpression("FromCodePoint",
                         _("Get character from code point"),
                         _("Get character from code point"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Manipulation of text"),
+                        "res/conditions/toujours24.png")
 
       .AddParameter("expression", _("Code point"));
 
@@ -42,8 +40,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("ToUpperCase",
                         _("Uppercase a text"),
                         _("Uppercase a text"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Manipulation of text"),
+                        "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"));
 
@@ -51,8 +49,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("ToLowerCase",
                         _("Lowercase a text"),
                         _("Lowercase a text"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Manipulation of text"),
+                        "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"));
 
@@ -60,8 +58,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("SubStr",
                         _("Get a portion of a text"),
                         _("Get a portion of a text"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Manipulation of text"),
+                        "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter("expression",
@@ -73,8 +71,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("StrAt",
                         _("Get a character from a text"),
                         _("Get a character from a text"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Manipulation of text"),
+                        "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter(
@@ -85,8 +83,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("StrRepeat",
                         _("Repeat a text"),
                         _("Repeat a text"),
-                        "",
-                        "res/conditions/toujours24_black.png")
+                        _("Manipulation of text"),
+                        "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text to repeat"))
       .AddParameter("expression", _("Repetition count"));
@@ -95,8 +93,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddExpression("StrLength",
                      _("Length of a text"),
                      _("Length of a text"),
-                     "",
-                     "res/conditions/toujours24_black.png")
+                     _("Manipulation of text"),
+                     "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"));
 
@@ -105,8 +103,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
                      _("Search in a text"),
                      _("Search in a text (return the position of the result or "
                        "-1 if not found)"),
-                     "",
-                     "res/conditions/toujours24_black.png")
+                     _("Manipulation of text"),
+                     "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter("string", _("Text to search for"));
@@ -116,8 +114,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
                      "Search in a text from the end",
                      "Search in a text from the end (return the position of "
                      "the result or -1 if not found)",
-                     "",
-                     "res/conditions/toujours24_black.png")
+                     _("Manipulation of text"),
+                     "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter("string", _("Text to search for"))
@@ -130,8 +128,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
           _("Search the last occurence in a string (return the position of "
             "the result, from the beginning of the string, or -1 if not "
             "found)"),
-          "",
-          "res/conditions/toujours24_black.png")
+          _("Manipulation of text"),
+          "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter("string", _("Text to search for"));
@@ -141,8 +139,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
                      _("Search in a text, starting from a position"),
                      _("Search in a text, starting from a position (return the "
                        "position of the result or -1 if not found)"),
-                     "",
-                     "res/conditions/toujours24_black.png")
+                     _("Manipulation of text"),
+                     "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter("string", _("Text to search for"))
@@ -156,8 +154,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
           "Search in a text from the end, starting from a position",
           "Search in a text from the end, starting from a position (return "
           "the position of the result or -1 if not found)",
-          "",
-          "res/conditions/toujours24_black.png")
+          _("Manipulation of text"),
+          "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter("string", _("Text to search for"))
@@ -174,8 +172,8 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
             "(return "
             " the position of the result, from the beginning of the string, or "
             "-1 if not found)"),
-          "",
-          "res/conditions/toujours24_black.png")
+          _("Manipulation of text"),
+          "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
       .AddParameter("string", _("Text to search for"))

Core/GDCore/Extensions/Builtin/TimeExtension.cpp

@@ -14,54 +14,33 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
   extension
       .SetExtensionInformation(
           "BuiltinTime",
-          _("Timers and time"),
+          _("Time"),
           "Actions and conditions to run timers, get the current time or "
           "modify the time scale (speed at which the game is running - useful "
           "for slow motion effects).",
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/timers-and-time");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Timers and time"))
-      .SetIcon("res/conditions/timer24.png");
+      .SetExtensionHelpPath("/all-features/timers");
+
 
-  // Deprecated and replaced by CompareTimer
   extension
       .AddCondition("Timer",
                     _("Value of a scene timer"),
                     _("Test the elapsed time of a scene timer."),
                     _("The timer _PARAM2_ is greater than _PARAM1_ seconds"),
-
-                    "",
+                    _("Timers and time"),
                     "res/conditions/timer24.png",
                     "res/conditions/timer.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("expression", _("Time in seconds"))
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer")
-      .SetHidden();
-
-  extension
-      .AddCondition("CompareTimer",
-                    _("Value of a scene timer"),
-                    _("Compare the elapsed time of a scene timer. This "
-                      "condition doesn't start the timer."),
-                    _("The timer _PARAM1_ _PARAM2_ _PARAM3_ seconds"),
-
-                    "",
-                    "res/conditions/timer24.png",
-                    "res/conditions/timer.png")
-      .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer")
-      .AddParameter("relationalOperator", _("Sign of the test"), "time")
-      .AddParameter("expression", _("Time in seconds"))
-      .SetManipulatedType("number");
+      .AddParameter("string", _("Timer's name"));
 
   extension
       .AddCondition("TimeScale",
                     _("Time scale"),
                     _("Compare the time scale of the scene."),
                     _("the time scale of the scene"),
-
-                    "",
+                    _("Timers and time"),
                     "res/conditions/time24.png",
                     "res/conditions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -73,12 +52,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
                     _("Scene timer paused"),
                     _("Test if the specified scene timer is paused."),
                     _("The timer _PARAM1_ is paused"),
-
-                    "",
+                    _("Timers and time"),
                     "res/conditions/timerPaused24.png",
                     "res/conditions/timerPaused.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
   extension
@@ -87,25 +65,23 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
           _("Start (or reset) a scene timer"),
           _("Reset the specified scene timer, if the timer doesn't exist "
             "it's created and started."),
-          _("Start (or reset) the timer _PARAM1_"),
-
-          "",
+          _("Reset the timer _PARAM1_"),
+          _("Timers and time"),
           "res/actions/timer24.png",
           "res/actions/timer.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer");
+      .AddParameter("string", _("Timer's name"));
 
   extension
       .AddAction("PauseTimer",
                  _("Pause a scene timer"),
                  _("Pause a scene timer."),
                  _("Pause timer _PARAM1_"),
-
-                 "",
+                 _("Timers and time"),
                  "res/actions/pauseTimer24.png",
                  "res/actions/pauseTimer.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
   extension
@@ -113,12 +89,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
                  _("Unpause a scene timer"),
                  _("Unpause a scene timer."),
                  _("Unpause timer _PARAM1_"),
-
-                 "",
+                 _("Timers and time"),
                  "res/actions/unPauseTimer24.png",
                  "res/actions/unPauseTimer.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
   extension
@@ -126,43 +101,30 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
                  _("Delete a scene timer"),
                  _("Delete a scene timer from memory."),
                  _("Delete timer _PARAM1_ from memory"),
-
-                 "",
+                 _("Timers and time"),
                  "res/actions/timer24.png",
                  "res/actions/timer.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer")
+      .AddParameter("string", _("Timer's name"))
       .MarkAsAdvanced();
 
   extension
       .AddAction("ChangeTimeScale",
-                 _("Time scale"),
+                 _("Change time scale"),
                  _("Change the time scale of the scene."),
                  _("Set the time scale of the scene to _PARAM1_"),
-                 "",
+                 _("Timers and time"),
                  "res/actions/time24.png",
                  "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("expression",
                     _("Scale (1: Default, 2: 2x faster, 0.5: 2x slower...)"));
 
-  extension
-      .AddAction("Wait",
-                 _("Wait X seconds (experimental)"),
-                 _("Waits a number of seconds before running "
-                   "the next actions (and sub-events)."),
-                 _("Wait _PARAM0_ seconds"),
-                 "",
-                 "res/timer_black.svg",
-                 "res/timer_black.svg")
-      .AddParameter("expression", "Time to wait in seconds")
-      .SetHelpPath("/all-features/timers-and-time/wait-action");
-
   extension
       .AddExpression("TimeDelta",
                      _("Time elapsed since the last frame"),
                      _("Time elapsed since the last frame rendered on screen"),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -170,7 +132,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("TempsFrame",
                      _("Time elapsed since the last frame"),
                      _("Time elapsed since the last frame rendered on screen"),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .SetHidden()
       .AddCodeOnlyParameter("currentScene", "");
@@ -179,7 +141,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("ElapsedTime",
                      _("Time elapsed since the last frame"),
                      _("Time elapsed since the last frame rendered on screen"),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .SetHidden()
       .AddCodeOnlyParameter("currentScene", "");
@@ -188,16 +150,16 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("TimerElapsedTime",
                      _("Scene timer value"),
                      _("Value of a scene timer"),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("identifier", _("Timer's name"), "sceneTimer");
+      .AddParameter("string", _("Timer's name"));
 
   extension
       .AddExpression("TimeFromStart",
                      _("Time elapsed since the beginning of the scene"),
                      _("Time elapsed since the beginning of the scene"),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -205,7 +167,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("TempsDebut",
                      _("Time elapsed since the beginning of the scene"),
                      _("Time elapsed since the beginning of the scene"),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .SetHidden()
       .AddCodeOnlyParameter("currentScene", "");
@@ -214,7 +176,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("TimeScale",
                      _("Time scale"),
                      _("Returns the time scale of the scene."),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -222,7 +184,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("Time",
                      _("Current time"),
                      _("Current time"),
-                     "",
+                     _("Time"),
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter(
@@ -233,6 +195,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
             "timestamp\""),
           "[\"hour\", \"min\", \"sec\", \"mon\", \"year\", \"wday\", \"mday\", "
           "\"yday\", \"timestamp\"]");
+
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/VariablesExtension.cpp

@@ -14,7 +14,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
   extension
       .SetExtensionInformation(
           "BuiltinVariables",
-          _("Variables"),
+          _("Variable features"),
           "Actions, conditions and expressions to handle variables, from "
           "simple variables like the player score, the number of remaining "
           "lives to complex variables containing arbitrary data like an "
@@ -22,15 +22,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           "Florian Rival",
           "Open source (MIT License)")
       .SetExtensionHelpPath("/all-features/variables");
-  extension.AddInstructionOrExpressionGroupMetadata(_("Variables"))
-      .SetIcon("res/conditions/var24.png");
 
   extension
       .AddCondition("VarScene",
                     _("Value of a scene variable"),
                     _("Compare the value of a scene variable."),
                     _("the scene variable _PARAM0_"),
-                    _("Scene variables"),
+                    _("Variables/Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -41,7 +39,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Text of a scene variable"),
                     _("Compare the text of a scene variable."),
                     _("the text of scene variable _PARAM0_"),
-                    _("Scene variables"),
+                    _("Variables/Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -53,7 +51,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Boolean value of a scene variable"),
           _("Compare the boolean value of a scene variable."),
           _("The boolean value of scene variable _PARAM0_ is _PARAM1_"),
-          _("Scene variables"),
+          _("Variables/Scene variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -66,7 +64,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Child existence"),
           _("Check if the specified child of the scene variable exists."),
           _("Child _PARAM1_ of scene variable _PARAM0_ exists"),
-          _("Scene variables/Collections/Structures"),
+          _("Variables/Scene variables/Collections/Structures"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -79,7 +77,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Check if the specified child of the global "
                       "variable exists."),
                     _("Child _PARAM1_ of global variable _PARAM0_ exists"),
-                    _("Global variables/Collections/Structures"),
+                    _("Variables/Global variables/Collections/Structures"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -91,7 +89,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "Test if a scene variable is defined",
                     "Test if the scene variable exists.",
                     "Scene variable _PARAM0_ is defined",
-                    _("Scene variables"),
+                    _("Variables/Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -103,7 +101,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Value of a global variable"),
                     _("Compare the value of a global variable."),
                     _("the global variable _PARAM0_"),
-                    _("Global variables"),
+                    _("Variables/Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -115,7 +113,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Text of a global variable"),
                     _("Compare the text of a global variable."),
                     _("the text of the global variable _PARAM0_"),
-                    _("Global variables"),
+                    _("Variables/Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -128,7 +126,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Boolean value of a global variable"),
           _("Compare the boolean value of a global variable."),
           _("The boolean value of global variable _PARAM0_ is _PARAM1_"),
-          _("Global variables"),
+          _("Variables/Global variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -140,7 +138,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "Test if a global variable is defined",
                     "Test if a global variable exists",
                     "Global variable _PARAM0_ is defined",
-                    _("Global variables"),
+                    _("Variables/Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -153,7 +151,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Value of a scene variable"),
                  _("Change the value of a scene variable."),
                  _("the scene variable _PARAM0_"),
-                 _("Scene variables"),
+                 _("Variables/Scene variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -164,7 +162,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("String of a scene variable"),
                  _("Modify the text of a scene variable."),
                  _("the text of scene variable _PARAM0_"),
-                 _("Scene variables"),
+                 _("Variables/Scene variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -176,7 +174,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Boolean value of a scene variable"),
           _("Modify the boolean value of a scene variable."),
           _("Set the boolean value of scene variable _PARAM0_ to _PARAM1_"),
-          _("Scene variables"),
+          _("Variables/Scene variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -189,7 +187,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                      _("If it was true, it will become false, and if it was "
                        "false it will become true."),
                  _("Toggle the boolean value of scene variable _PARAM0_"),
-                 _("Scene variables"),
+                 _("Variables/Scene variables"),
                  "res/conditions/var24.png",
                  "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"));
@@ -199,7 +197,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Value of a global variable"),
                  _("Change the value of a global variable"),
                  _("the global variable _PARAM0_"),
-                 _("Global variables"),
+                 _("Variables/Global variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -211,7 +209,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("String of a global variable"),
                  _("Modify the text of a global variable."),
                  _("the text of global variable _PARAM0_"),
-                 _("Global variables"),
+                 _("Variables/Global variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -224,7 +222,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Boolean value of a global variable"),
           _("Modify the boolean value of a global variable."),
           _("Set the boolean value of global variable _PARAM0_ to _PARAM1_"),
-          _("Global variables"),
+          _("Variables/Global variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -237,7 +235,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                      _("If it was true, it will become false, and if it was "
                        "false it will become true."),
                  _("Toggle the boolean value of global variable _PARAM0_"),
-                 _("Global variables"),
+                 _("Variables/Global variables"),
                  "res/conditions/var24.png",
                  "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"));
@@ -247,7 +245,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Remove a child"),
                  _("Remove a child from a scene variable."),
                  _("Remove child _PARAM1_ from scene variable _PARAM0_"),
-                 _("Scene variables/Collections/Structures"),
+                 _("Variables/Scene variables/Collections/Structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -259,7 +257,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Remove a child"),
                  _("Remove a child from a global variable."),
                  _("Remove child _PARAM1_ from global variable _PARAM0_"),
-                 _("Global variables/Collections/Structures"),
+                 _("Variables/Global variables/Collections/Structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -271,7 +269,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Clear scene variable"),
                  _("Remove all the children from the scene variable."),
                  _("Clear children from scene variable _PARAM0_"),
-                 _("Scene variables/Collections"),
+                 _("Variables/Scene variables/Collections"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -282,7 +280,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Clear global variable"),
                  _("Remove all the children from the global variable."),
                  _("Clear children from global variable _PARAM0_"),
-                 _("Global variables/Collections"),
+                 _("Variables/Global variables/Collections"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -293,7 +291,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append variable to a scene array"),
                  _("Appends a variable at the end of a scene array variable."),
                  _("Append variable _PARAM1_ to array variable _PARAM0_"),
-                 _("Scene variables/Collections/Arrays"),
+                 _("Variables/Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -306,7 +304,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append a string to a scene array"),
                  _("Appends a string at the end of a scene array variable."),
                  _("Append string _PARAM1_ to array variable _PARAM0_"),
-                 _("Scene variables/Collections/Arrays"),
+                 _("Variables/Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -318,7 +316,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append a number to a scene array"),
                  _("Appends a number at the end of a scene array variable."),
                  _("Append number _PARAM1_ to array variable _PARAM0_"),
-                 _("Scene variables/Collections/Arrays"),
+                 _("Variables/Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -330,7 +328,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append a boolean to a scene array"),
                  _("Appends a boolean at the end of a scene array variable."),
                  _("Append boolean _PARAM1_ to array variable _PARAM0_"),
-                 _("Scene variables/Collections/Arrays"),
+                 _("Variables/Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -343,7 +341,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Remove variable from a scene array (by index)"),
           _("Removes a variable at the specified index of a scene array variable."),
           _("Remove variable at index _PARAM1_ from scene array variable _PARAM0_"),
-          _("Scene variables/Collections/Arrays"),
+          _("Variables/Scene variables/Collections/Arrays"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -355,7 +353,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append variable to a global array"),
                  _("Appends a variable at the end of a global array variable."),
                  _("Append variable _PARAM1_ to array variable _PARAM0_"),
-                 _("Global variables/Collections/Arrays"),
+                 _("Variables/Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -369,7 +367,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Remove variable from a global array (by index)"),
           _("Removes a variable at the specified index of a global array variable."),
           _("Remove variable at index _PARAM1_ from global array variable _PARAM0_"),
-          _("Global variables/Collections/Arrays"),
+          _("Variables/Global variables/Collections/Arrays"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -381,7 +379,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append a string to a global array"),
                  _("Appends a string at the end of a global array variable."),
                  _("Append string _PARAM1_ to array variable _PARAM0_"),
-                 _("Global variables/Collections/Arrays"),
+                 _("Variables/Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -393,7 +391,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append a number to a global array"),
                  _("Appends a number at the end of a global array variable."),
                  _("Append number _PARAM1_ to array variable _PARAM0_"),
-                 _("Global variables/Collections/Arrays"),
+                 _("Variables/Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -405,7 +403,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Append a boolean to a global array"),
                  _("Appends a boolean at the end of a global array variable."),
                  _("Append boolean _PARAM1_ to array variable _PARAM0_"),
-                 _("Global variables/Collections/Arrays"),
+                 _("Variables/Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -416,7 +414,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("GlobalVariableChildCount",
                      _("Number of children of a global variable"),
                      _("Number of children of a global variable"),
-                     _("Global variables"),
+                     _("Variables/Global variables"),
                      "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"));
 
@@ -424,7 +422,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("VariableChildCount",
                      _("Number of children of a scene variable"),
                      _("Number of children of a scene variable"),
-                     _("Scene variables"),
+                     _("Variables/Scene variables"),
                      "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"));
 
@@ -432,7 +430,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("Variable",
                      _("Value of a scene variable"),
                      _("Value of a scene variable"),
-                     _("Scene variables"),
+                     _("Variables/Scene variables"),
                      "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"));
 
@@ -440,7 +438,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddStrExpression("VariableString",
                         _("Text of a scene variable"),
                         _("Text of a scene variable"),
-                        _("Scene variables"),
+                        _("Variables/Scene variables"),
                         "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"));
 
@@ -448,7 +446,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("GlobalVariable",
                      _("Value of a global variable"),
                      _("Value of a global variable"),
-                     _("Global variables"),
+                     _("Variables/Global variables"),
                      "res/actions/var.png")
       .AddParameter("globalvar", _("Name of the global variable"));
 
@@ -456,7 +454,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddStrExpression("GlobalVariableString",
                         _("Text of a global variable"),
                         _("Text of a global variable"),
-                        _("Global variables"),
+                        _("Variables/Global variables"),
                         "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"));
 }

Core/GDCore/Extensions/Builtin/WindowExtension.cpp

@@ -14,18 +14,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
   extension
       .SetExtensionInformation(
           "BuiltinWindow",
-          _("Game window and resolution"),
+          _("Window features"),
           "Provides actions and conditions to manipulate the game window. "
           "Depending on the platform on which the game is running, not all of "
           "these features can be applied.",
           "Florian Rival",
           "Open source (MIT License)")
-      .SetCategory("User interface")
       .SetExtensionHelpPath("/all-features/window");
-  extension
-      .AddInstructionOrExpressionGroupMetadata(
-          _("Game window and resolution"))
-      .SetIcon("res/actions/window24.png");
 
   extension
       .AddAction(
@@ -33,7 +28,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
           _("De/activate fullscreen"),
           _("This action activates or deactivates fullscreen."),
           _("Activate fullscreen: _PARAM1_ (keep aspect ratio: _PARAM2_)"),
-          "",
+          _("Game's window and resolution"),
           "res/actions/fullscreen24.png",
           "res/actions/fullscreen.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -49,19 +44,19 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                     _("Fullscreen activated?"),
                     _("Check if the game is currently in fullscreen."),
                     _("The game is in fullscreen"),
-                    "",
+                    _("Game's window and resolution"),
                     "res/actions/fullscreen24.png",
                     "res/actions/fullscreen.png")
       .AddCodeOnlyParameter("currentScene", "");
 
   extension
       .AddAction("SetWindowMargins",
-                 _("Window's margins"),
+                 _("Change the window's margins"),
                  _("This action changes the margins, in pixels, between the "
                    "game frame and the window borders."),
                  _("Set margins of game window to "
                    "_PARAM1_;_PARAM2_;_PARAM3_;_PARAM4_"),
-                 "",
+                 _("Game's window and resolution"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -72,12 +67,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
 
   extension
       .AddAction("SetGameResolutionSize",
-                 _("Game resolution"),
+                 _("Change the resolution of the game"),
                  _("Changes the resolution of the game, effectively changing "
                    "the game area size. This won't change the size of the "
                    "window in which the game is running."),
                  _("Set game resolution to _PARAM1_x_PARAM2_"),
-                 "",
+                 _("Game's window and resolution"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -94,7 +89,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
             "window size. Game resolution can still be updated."),
           _("Set game window size to _PARAM1_x_PARAM2_ (also update game "
             "resolution: _PARAM3_)"),
-          "",
+          _("Game's window and resolution"),
           "res/actions/window24.png",
           "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -111,19 +106,19 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                    "only works on Windows, macOS and Linux (not when the game "
                    "is executed in a web-browser or on iOS/Android)."),
                  _("Center the game window"),
-                 "",
+                 _("Game's window and resolution"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "");
 
   extension
       .AddAction("SetGameResolutionResizeMode",
-                 _("Game resolution resize mode"),
+                 _("Change the game resolution resize mode"),
                  _("Set if the width or the height of the game resolution "
                    "should be changed to fit the game window - or if the game "
                    "resolution should not be updated automatically."),
                  _("Set game resolution resize mode to _PARAM1_"),
-                 "",
+                 _("Game's window and resolution"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -144,7 +139,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                    "be the case if the game resolution resize mode is "
                    "configured to adapt the width or the height of the game."),
                  _("Automatically adapt the game resolution: _PARAM1_"),
-                 "",
+                 _("Game's window and resolution"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -154,10 +149,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
 
   extension
       .AddAction("SetWindowIcon",
-                 _("Window's icon"),
+                 _("Change the window's icon"),
                  _("This action changes the icon of the game's window."),
                  _("Use _PARAM1_ as the icon for the game's window."),
-                 "",
+                 _("Game's window and resolution"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -165,10 +160,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
 
   extension
       .AddAction("SetWindowTitle",
-                 _("Window's title"),
+                 _("Change the window's title"),
                  _("This action changes the title of the game's window."),
                  _("Change window title to _PARAM1_"),
-                 "",
+                 _("Game's window and resolution"),
                  "res/actions/window24.png",
                  "res/actions/window.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -179,7 +174,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
           "SceneWindowWidth",
           _("Width of the scene window"),
           _("Width of the scene window (or scene canvas for HTML5 games)"),
-          "",
+          _("Screen"),
           "res/window.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -188,7 +183,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
           "SceneWindowHeight",
           _("Height of the scene window"),
           _("Height of the scene window (or scene canvas for HTML5 games)"),
-          "",
+          _("Screen"),
           "res/window.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -196,27 +191,27 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
       "ScreenWidth",
       _("Width of the screen/page"),
       _("Width of the screen (or the page for HTML5 games in browser)"),
-      "",
+      _("Screen"),
       "res/display16.png");
 
   extension.AddExpression(
       "ScreenHeight",
       _("Height of the screen/page"),
       _("Height of the screen (or the page for HTML5 games in browser)"),
-      "",
+      _("Screen"),
       "res/display16.png");
 
   extension.AddExpression("ColorDepth",
                           _("Color depth"),
                           _("Color depth"),
-                          "",
+                          _("Screen"),
                           "res/display16.png");
 
   extension
       .AddStrExpression("WindowTitle",
                         _("Window's title"),
                         _("Window's title"),
-                        "",
+                        _("Screen"),
                         "res/window.png")
       .AddCodeOnlyParameter("currentScene", "");
 }

Core/GDCore/Extensions/Metadata/BehaviorMetadata.cpp

@@ -14,14 +14,12 @@
 #include "GDCore/Project/Behavior.h"
 #include "GDCore/Project/BehaviorsSharedData.h"
 #include "GDCore/Tools/Localization.h"
-#include "GDCore/Tools/MakeUnique.h"
-#include "GDCore/Tools/Log.h"
 
 namespace gd {
 
 BehaviorMetadata::BehaviorMetadata(
     const gd::String& extensionNamespace_,
-    const gd::String& nameWithNamespace,
+    const gd::String& name_,
     const gd::String& fullname_,
     const gd::String& defaultName_,
     const gd::String& description_,
@@ -31,50 +29,21 @@ BehaviorMetadata::BehaviorMetadata(
     std::shared_ptr<gd::Behavior> instance_,
     std::shared_ptr<gd::BehaviorsSharedData> sharedDatasInstance_)
     : extensionNamespace(extensionNamespace_),
-      className(className_),
-      iconFilename(icon24x24),
       instance(instance_),
-      sharedDatasInstance(sharedDatasInstance_),
-      isEventBased(false) {
+      sharedDatasInstance(sharedDatasInstance_) {
+#if defined(GD_IDE_ONLY)
   SetFullName(gd::String(fullname_));
   SetDescription(gd::String(description_));
   SetDefaultName(gd::String(defaultName_));
   SetGroup(group_);
+  className = className_;
+  iconFilename = icon24x24;
+#endif
 
-  if (!instance) {
-    gd::LogFatalError(
-        "Trying to create a BehaviorMetadata that has no "
-        "behavior. This will crash - please double check that the "
-        "BehaviorMetadata is valid for: " + nameWithNamespace);
-  }
-
-  if (instance) instance->SetTypeName(nameWithNamespace);
-  if (sharedDatasInstance) sharedDatasInstance->SetTypeName(nameWithNamespace);
+  if (instance) instance->SetTypeName(name_);
+  if (sharedDatasInstance) sharedDatasInstance->SetTypeName(name_);
 }
 
-BehaviorMetadata::BehaviorMetadata(
-    const gd::String& extensionNamespace,
-    const gd::String& nameWithNamespace,
-    const gd::String& fullname_,
-    const gd::String& defaultName_,
-    const gd::String& description_,
-    const gd::String& group_,
-    const gd::String& icon24x24_): BehaviorMetadata(
-        extensionNamespace,
-        nameWithNamespace,
-        fullname_,
-        defaultName_,
-        description_,
-        group_,
-        icon24x24_,
-        // Class name is the name, actually unused
-        defaultName_,
-        // It is only used to get the name for GetName.
-        gd::make_unique<gd::Behavior>("", nameWithNamespace),
-        nullptr){
-  isEventBased = true;
-};
-
 gd::InstructionMetadata& BehaviorMetadata::AddCondition(
     const gd::String& name,
     const gd::String& fullname,
@@ -83,6 +52,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddCondition(
     const gd::String& group,
     const gd::String& icon,
     const gd::String& smallicon) {
+#if defined(GD_IDE_ONLY)
   gd::String nameWithNamespace =
       extensionNamespace.empty() ? name : extensionNamespace + name;
   conditionsInfos[nameWithNamespace] = InstructionMetadata(extensionNamespace,
@@ -96,6 +66,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddCondition(
                                            .SetHelpPath(GetHelpPath())
                                            .SetIsBehaviorInstruction();
   return conditionsInfos[nameWithNamespace];
+#endif
 }
 
 gd::InstructionMetadata& BehaviorMetadata::AddAction(
@@ -106,6 +77,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddAction(
     const gd::String& group,
     const gd::String& icon,
     const gd::String& smallicon) {
+#if defined(GD_IDE_ONLY)
   gd::String nameWithNamespace =
       extensionNamespace.empty() ? name : extensionNamespace + name;
   actionsInfos[nameWithNamespace] = InstructionMetadata(extensionNamespace,
@@ -119,6 +91,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddAction(
                                         .SetHelpPath(GetHelpPath())
                                         .SetIsBehaviorInstruction();
   return actionsInfos[nameWithNamespace];
+#endif
 }
 
 gd::InstructionMetadata& BehaviorMetadata::AddScopedCondition(
@@ -129,6 +102,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddScopedCondition(
     const gd::String& group,
     const gd::String& icon,
     const gd::String& smallicon) {
+#if defined(GD_IDE_ONLY)
   gd::String nameWithNamespace =
       GetName() + gd::PlatformExtension::GetNamespaceSeparator() + name;
   conditionsInfos[nameWithNamespace] = InstructionMetadata(extensionNamespace,
@@ -142,6 +116,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddScopedCondition(
                                            .SetHelpPath(GetHelpPath())
                                            .SetIsBehaviorInstruction();
   return conditionsInfos[nameWithNamespace];
+#endif
 }
 
 gd::InstructionMetadata& BehaviorMetadata::AddScopedAction(
@@ -152,6 +127,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddScopedAction(
     const gd::String& group,
     const gd::String& icon,
     const gd::String& smallicon) {
+#if defined(GD_IDE_ONLY)
   gd::String nameWithNamespace =
       GetName() + gd::PlatformExtension::GetNamespaceSeparator() + name;
   actionsInfos[nameWithNamespace] = InstructionMetadata(extensionNamespace,
@@ -165,6 +141,7 @@ gd::InstructionMetadata& BehaviorMetadata::AddScopedAction(
                                         .SetHelpPath(GetHelpPath())
                                         .SetIsBehaviorInstruction();
   return actionsInfos[nameWithNamespace];
+#endif
 }
 
 gd::ExpressionMetadata& BehaviorMetadata::AddExpression(
@@ -173,6 +150,7 @@ gd::ExpressionMetadata& BehaviorMetadata::AddExpression(
     const gd::String& description,
     const gd::String& group,
     const gd::String& smallicon) {
+#if defined(GD_IDE_ONLY)
   // Be careful, behaviors expression do not have namespace (not necessary as
   // we refer to the behavior name in the expression).
   expressionsInfos[name] = ExpressionMetadata("number",
@@ -184,6 +162,7 @@ gd::ExpressionMetadata& BehaviorMetadata::AddExpression(
                                               smallicon)
                                .SetHelpPath(GetHelpPath());
   return expressionsInfos[name];
+#endif
 }
 
 gd::ExpressionMetadata& BehaviorMetadata::AddStrExpression(
@@ -192,6 +171,7 @@ gd::ExpressionMetadata& BehaviorMetadata::AddStrExpression(
     const gd::String& description,
     const gd::String& group,
     const gd::String& smallicon) {
+#if defined(GD_IDE_ONLY)
   // Be careful, behaviors expression do not have namespace (not necessary as
   // we refer to the behavior name in the expression).
   strExpressionsInfos[name] = ExpressionMetadata("string",
@@ -203,6 +183,7 @@ gd::ExpressionMetadata& BehaviorMetadata::AddStrExpression(
                                                  smallicon)
                                   .SetHelpPath(GetHelpPath());
   return strExpressionsInfos[name];
+#endif
 }
 
 gd::MultipleInstructionMetadata BehaviorMetadata::AddExpressionAndCondition(
@@ -253,40 +234,6 @@ BehaviorMetadata::AddExpressionAndConditionAndAction(
     const gd::String& sentenceName,
     const gd::String& group,
     const gd::String& icon) {
-  if (type != "number" && type != "string" && type != "boolean") {
-    gd::LogError(
-        "Unrecognised type passed to AddExpressionAndConditionAndAction: " +
-        type + ". Verify this type is valid and supported.");
-  }
-
-  gd::String conditionDescriptionTemplate =
-      type == "boolean" ? _("Check if <subject>.") : _("Compare <subject>.");
-  auto& condition =
-      AddScopedCondition(name,
-                         fullname,
-                         conditionDescriptionTemplate.FindAndReplace(
-                             "<subject>", descriptionSubject),
-                         sentenceName,
-                         group,
-                         icon,
-                         icon);
-
-  gd::String actionDescriptionTemplate = type == "boolean"
-                                             ? _("Set (or unset) if <subject>.")
-                                             : _("Change <subject>.");
-  auto& action = AddScopedAction(
-      "Set" + name,
-      fullname,
-      actionDescriptionTemplate.FindAndReplace("<subject>", descriptionSubject),
-      sentenceName,
-      group,
-      icon,
-      icon);
-
-  if (type == "boolean") {
-    return MultipleInstructionMetadata::WithConditionAndAction(condition, action);
-  }
-
   gd::String expressionDescriptionTemplate = _("Return <subject>.");
   auto& expression =
       type == "number"
@@ -303,10 +250,32 @@ BehaviorMetadata::AddExpressionAndConditionAndAction(
                              group,
                              icon);
 
+  gd::String conditionDescriptionTemplate = _("Compare <subject>.");
+  auto& condition =
+      AddScopedCondition(name,
+                         fullname,
+                         conditionDescriptionTemplate.FindAndReplace(
+                             "<subject>", descriptionSubject),
+                         sentenceName,
+                         group,
+                         icon,
+                         icon);
+
+  gd::String actionDescriptionTemplate = _("Change <subject>.");
+  auto& action = AddScopedAction(
+      "Set" + name,
+      fullname,
+      actionDescriptionTemplate.FindAndReplace("<subject>", descriptionSubject),
+      sentenceName,
+      group,
+      icon,
+      icon);
+
   return MultipleInstructionMetadata::WithExpressionAndConditionAndAction(
       expression, condition, action);
 }
 
+#if defined(GD_IDE_ONLY)
 gd::InstructionMetadata& BehaviorMetadata::AddDuplicatedAction(
     const gd::String& newActionName, const gd::String& copiedActionName) {
   gd::String newNameWithNamespace = extensionNamespace + newActionName;
@@ -374,44 +343,49 @@ gd::ExpressionMetadata& BehaviorMetadata::AddDuplicatedStrExpression(
 
   return strExpressionsInfos[newNameWithNamespace];
 }
+#endif
 
 BehaviorMetadata& BehaviorMetadata::SetFullName(const gd::String& fullname_) {
+#if defined(GD_IDE_ONLY)
   fullname = fullname_;
+#endif
   return *this;
 }
 BehaviorMetadata& BehaviorMetadata::SetDefaultName(
     const gd::String& defaultName_) {
+#if defined(GD_IDE_ONLY)
   defaultName = defaultName_;
+#endif
   return *this;
 }
 BehaviorMetadata& BehaviorMetadata::SetDescription(
     const gd::String& description_) {
+#if defined(GD_IDE_ONLY)
   description = description_;
+#endif
   return *this;
 }
 BehaviorMetadata& BehaviorMetadata::SetGroup(const gd::String& group_) {
+#if defined(GD_IDE_ONLY)
   group = group_;
+#endif
   return *this;
 }
 BehaviorMetadata& BehaviorMetadata::SetIncludeFile(
     const gd::String& includeFile) {
+#if defined(GD_IDE_ONLY)
   includeFiles.clear();
   includeFiles.push_back(includeFile);
+#endif
   return *this;
 }
 BehaviorMetadata& BehaviorMetadata::AddIncludeFile(
     const gd::String& includeFile) {
+#if defined(GD_IDE_ONLY)
   if (std::find(includeFiles.begin(), includeFiles.end(), includeFile) ==
       includeFiles.end())
     includeFiles.push_back(includeFile);
-  return *this;
-}
-
-BehaviorMetadata& BehaviorMetadata::AddRequiredFile(
-    const gd::String& requiredFile) {
-  if (std::find(requiredFiles.begin(), requiredFiles.end(), requiredFile) ==
-      requiredFiles.end())
-    requiredFiles.push_back(requiredFile);
+#endif
   return *this;
 }
 
@@ -420,25 +394,13 @@ const gd::String& BehaviorMetadata::GetName() const {
 }
 
 gd::Behavior& BehaviorMetadata::Get() const {
-  if (isEventBased) {
-    gd::LogFatalError("Error: Event-based behaviors don't have blueprint. "
-                      "This method should not never be called.");
-  }
-  if (!instance) {
+  if (!instance)
     gd::LogFatalError(
         "Trying to get a behavior from a BehaviorMetadata that has no "
         "behavior. This will crash - please double check that the "
-        "BehaviorMetadata is valid for: " + className);
-  }
+        "BehaviorMetadata is valid.");
+
   return *instance;
 }
 
-gd::BehaviorsSharedData* BehaviorMetadata::GetSharedDataInstance() const { 
-  if (isEventBased) {
-    gd::LogFatalError("Error: Event-based behaviors don't have blueprint. "
-                      "This method should not never be called.");
-  }
-  return sharedDatasInstance.get();
-}
-
 }  // namespace gd

Core/GDCore/Extensions/Metadata/BehaviorMetadata.h

@@ -29,7 +29,7 @@ class GD_CORE_API BehaviorMetadata {
  public:
   BehaviorMetadata(
       const gd::String& extensionNamespace,
-      const gd::String& nameWithNamespace,
+      const gd::String& name_,
       const gd::String& fullname_,
       const gd::String& defaultName_,
       const gd::String& description_,
@@ -38,21 +38,6 @@ class GD_CORE_API BehaviorMetadata {
       const gd::String& className_,
       std::shared_ptr<gd::Behavior> instance,
       std::shared_ptr<gd::BehaviorsSharedData> sharedDatasInstance);
-      
-  /**
-   * \brief Construct a behavior metadata, without "blueprint" behavior.
-   * 
-   * \note This is used by events based behaviors.
-   */
-  BehaviorMetadata(
-      const gd::String& extensionNamespace,
-      const gd::String& nameWithNamespace,
-      const gd::String& fullname_,
-      const gd::String& defaultName_,
-      const gd::String& description_,
-      const gd::String& group_,
-      const gd::String& icon24x24_);
-
   BehaviorMetadata(){};
   virtual ~BehaviorMetadata(){};
 
@@ -210,13 +195,6 @@ class GD_CORE_API BehaviorMetadata {
    */
   BehaviorMetadata& AddIncludeFile(const gd::String& includeFile);
 
-  /**
-   * \brief Add a file to the already existing required files.
-   * \note These files are required for the behavior to work,
-   * but they are not executable.
-   */
-  BehaviorMetadata& AddRequiredFile(const gd::String& requiredFile);
-
   /**
    * Get the help path of the behavior, relative to the GDevelop documentation
    * root.
@@ -236,6 +214,7 @@ class GD_CORE_API BehaviorMetadata {
   }
 
   const gd::String& GetName() const;
+#if defined(GD_IDE_ONLY)
   const gd::String& GetFullName() const { return fullname; }
   const gd::String& GetDefaultName() const { return defaultName; }
   const gd::String& GetDescription() const { return description; }
@@ -256,84 +235,45 @@ class GD_CORE_API BehaviorMetadata {
    * \note An empty string means the base object, so any object.
    */
   const gd::String& GetObjectType() const { return objectType; }
-
-  /**
-   * Check if the behavior is private - it can't be used outside of its
-   * extension.
-   */
-  bool IsPrivate() const { return isPrivate; }
-
-  /**
-   * Set that the behavior is private - it can't be used outside of its
-   * extension.
-   */
-  BehaviorMetadata &SetPrivate() {
-    isPrivate = true;
-    return *this;
-  }
+#endif
 
   /**
    * \brief Return the associated gd::Behavior, handling behavior contents.
-   * 
-   * \note Returns a dumb Behavior for events based behaviors as CustomBehavior
-   * are using EventBasedBehavior.
    */
   gd::Behavior& Get() const;
 
   /**
    * \brief Return the associated gd::BehaviorsSharedData, handling behavior
    * shared data, if any (nullptr if none).
-   * 
-   * \note Returns nullptr for events based behaviors as they don't declare
-   * shared data yet.
    */
-  gd::BehaviorsSharedData* GetSharedDataInstance() const;
-
-  /**
-   * \brief Return a reference to a map containing the names of the actions
-   * (as keys) and the metadata associated with (as values).
-   */
-  std::map<gd::String, gd::InstructionMetadata>& GetAllActions() { return actionsInfos; };
-
-  /**
-   * \see gd::PlatformExtension::GetAllActions
-   */
-  std::map<gd::String, gd::InstructionMetadata>& GetAllConditions() { return conditionsInfos; };
-
-  /**
-   * \see gd::PlatformExtension::GetAllActions
-   */
-  std::map<gd::String, gd::ExpressionMetadata>& GetAllExpressions() { return expressionsInfos; };
-
-  /**
-   * \see gd::PlatformExtension::GetAllActions
-   */
-  std::map<gd::String, gd::ExpressionMetadata>& GetAllStrExpressions() { return strExpressionsInfos; };
+  gd::BehaviorsSharedData* GetSharedDataInstance() const {
+    return sharedDatasInstance.get();
+  }
 
+#if defined(GD_IDE_ONLY)
   std::map<gd::String, gd::InstructionMetadata> conditionsInfos;
   std::map<gd::String, gd::InstructionMetadata> actionsInfos;
   std::map<gd::String, gd::ExpressionMetadata> expressionsInfos;
   std::map<gd::String, gd::ExpressionMetadata> strExpressionsInfos;
 
   std::vector<gd::String> includeFiles;
-  std::vector<gd::String> requiredFiles;
   gd::String className;
-
+#endif
  private:
   gd::String extensionNamespace;
   gd::String helpPath;
+#if defined(GD_IDE_ONLY)
   gd::String fullname;
   gd::String defaultName;
   gd::String description;
   gd::String group;
   gd::String iconFilename;
   gd::String objectType;
-  bool isPrivate = false;
+#endif
 
   // TODO: Nitpicking: convert these to std::unique_ptr to clarify ownership.
   std::shared_ptr<gd::Behavior> instance;
   std::shared_ptr<gd::BehaviorsSharedData> sharedDatasInstance;
-  bool isEventBased;
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Metadata/EffectMetadata.h

@@ -8,7 +8,6 @@
 #include <functional>
 #include <map>
 #include <memory>
-#include <algorithm>
 
 #include "GDCore/Project/PropertyDescriptor.h"
 #include "GDCore/String.h"

Core/GDCore/Extensions/Metadata/ExpressionMetadata.cpp

@@ -37,24 +37,22 @@ gd::ExpressionMetadata& ExpressionMetadata::AddParameter(
     const gd::String& supplementaryInformation,
     bool parameterIsOptional) {
   gd::ParameterMetadata info;
-  info.SetType(type);
+  info.type = type;
   info.description = description;
   info.codeOnly = false;
-  info.SetOptional(parameterIsOptional);
-  info.SetExtraInfo(
+  info.optional = parameterIsOptional;
+  info.supplementaryInformation =
       // For objects/behavior, the supplementary information
       // parameter is an object/behavior type...
-      ((gd::ParameterMetadata::IsObject(type) ||
+      (gd::ParameterMetadata::IsObject(type) ||
        gd::ParameterMetadata::IsBehavior(type))
-       // Prefix with the namespace if it's not already there.
-       && !(supplementaryInformation.rfind(extensionNamespace, 0) == 0))
           ? (supplementaryInformation.empty()
                  ? ""
                  : extensionNamespace +
                        supplementaryInformation  //... so prefix it with the extension
                                            // namespace.
              )
-          : supplementaryInformation);  // Otherwise don't change anything
+          : supplementaryInformation;  // Otherwise don't change anything
 
   // TODO: Assert against supplementaryInformation === "emsc" (when running with
   // Emscripten), and warn about a missing argument when calling addParameter.
@@ -66,19 +64,12 @@ gd::ExpressionMetadata& ExpressionMetadata::AddParameter(
 gd::ExpressionMetadata& ExpressionMetadata::AddCodeOnlyParameter(
     const gd::String& type, const gd::String& supplementaryInformation) {
   gd::ParameterMetadata info;
-  info.SetType(type);
+  info.type = type;
   info.codeOnly = true;
-  info.SetExtraInfo(supplementaryInformation);
+  info.supplementaryInformation = supplementaryInformation;
 
   parameters.push_back(info);
   return *this;
 }
 
-
-gd::ExpressionMetadata& ExpressionMetadata::SetRequiresBaseObjectCapability(
-    const gd::String& capability) {
-  requiredBaseObjectCapability = capability;
-  return *this;
-}
-
 }  // namespace gd

Core/GDCore/Extensions/Metadata/ExpressionMetadata.h

@@ -222,35 +222,6 @@ class GD_CORE_API ExpressionMetadata {
     return *this;
   };
 
-  /**
-   * \brief Set the additional information, used for some parameters
-   * with special type (for example, it can contains the type of object accepted
-   * by the parameter), for the last added parameter.
-   *
-   * \see AddParameter
-   */
-  ExpressionMetadata &SetParameterExtraInfo(const gd::String &extraInfo) {
-    if (!parameters.empty()) parameters.back().SetExtraInfo(extraInfo);
-    return *this;
-  }
-
-  /**
-   * \brief Mark this (object) expression as requiring the specified capability,
-   * offered by the base object.
-   * This is useful for some objects that don't support this capability, so that
-   * the editor can hide the expression as it does not apply to them.
-   */
-  ExpressionMetadata& SetRequiresBaseObjectCapability(
-      const gd::String& capability);
-
-  /**
-   * \brief Get the required specified capability for this (object) expression,
-   * or an empty string if there is nothing specific required.
-   */
-  const gd::String& GetRequiredBaseObjectCapability() const {
-    return requiredBaseObjectCapability;
-  };
-
   /**
    * \brief Set the function that should be called when generating the source
    * code from events.
@@ -268,30 +239,7 @@ class GD_CORE_API ExpressionMetadata {
    */
   ExpressionCodeGenerationInformation& GetCodeExtraInformation() {
     return codeExtraInformation;
-  }
-
-  /**
-   * \brief Erase any existing include file and add the specified include.
-   */
-  ExpressionMetadata &SetIncludeFile(const gd::String &includeFile) {
-    codeExtraInformation.SetIncludeFile(includeFile);
-    return *this;
-  }
-
-  /**
-   * \brief Add a file to the already existing include files.
-   */
-  ExpressionMetadata &AddIncludeFile(const gd::String &includeFile) {
-    codeExtraInformation.AddIncludeFile(includeFile);
-    return *this;
-  }
-
-  /**
-   * \brief Get the files that must be included to use the instruction.
-   */
-  const std::vector<gd::String>& GetIncludeFiles() const {
-    return codeExtraInformation.GetIncludeFiles();
-  }
+  };
 
   ExpressionCodeGenerationInformation codeExtraInformation;
 
@@ -325,7 +273,6 @@ class GD_CORE_API ExpressionMetadata {
   gd::String smallIconFilename;
   gd::String extensionNamespace;
   bool isPrivate;
-  gd::String requiredBaseObjectCapability;
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Metadata/InstructionMetadata.cpp

@@ -10,7 +10,6 @@
 #include "GDCore/CommonTools.h"
 #include "GDCore/Serialization/SerializerElement.h"
 #include "GDCore/Tools/Localization.h"
-#include "GDCore/Tools/Log.h"
 #include "ParameterMetadata.h"
 
 namespace gd {
@@ -55,25 +54,22 @@ InstructionMetadata& InstructionMetadata::AddParameter(
     const gd::String& supplementaryInformation,
     bool parameterIsOptional) {
   ParameterMetadata info;
-  info.SetType(type);
+  info.type = type;
   info.description = description;
   info.codeOnly = false;
-  info.SetOptional(parameterIsOptional);
-  info.SetExtraInfo(
+  info.optional = parameterIsOptional;
+  info.supplementaryInformation =
       // For objects/behavior, the supplementary information
       // parameter is an object/behavior type...
-      ((gd::ParameterMetadata::IsObject(type) ||
+      (gd::ParameterMetadata::IsObject(type) ||
        gd::ParameterMetadata::IsBehavior(type))
-       // Prefix with the namespace if it's not already there.
-       && !(supplementaryInformation.rfind(extensionNamespace, 0) == 0))
           ? (supplementaryInformation.empty()
                  ? ""
                  : extensionNamespace +
-                       supplementaryInformation  //... so prefix it with the
-                                                 // extension
-                                                 // namespace.
+                       supplementaryInformation  //... so prefix it with the extension
+                                           // namespace.
              )
-          : supplementaryInformation);  // Otherwise don't change anything
+          : supplementaryInformation;  // Otherwise don't change anything
 
   // TODO: Assert against supplementaryInformation === "emsc" (when running with
   // Emscripten), and warn about a missing argument when calling addParameter.
@@ -85,69 +81,44 @@ InstructionMetadata& InstructionMetadata::AddParameter(
 InstructionMetadata& InstructionMetadata::AddCodeOnlyParameter(
     const gd::String& type, const gd::String& supplementaryInformation) {
   ParameterMetadata info;
-  info.SetType(type);
+  info.type = type;
   info.codeOnly = true;
-  info.SetExtraInfo(supplementaryInformation);
+  info.supplementaryInformation = supplementaryInformation;
 
   parameters.push_back(info);
   return *this;
 }
 
 InstructionMetadata& InstructionMetadata::UseStandardOperatorParameters(
-    const gd::String& type, const gd::String& typeExtraInfo) {
-  const gd::String& expressionValueType =
-      gd::ValueTypeMetadata::GetPrimitiveValueType(type);
-  SetManipulatedType(expressionValueType);
+    const gd::String& type) {
+  SetManipulatedType(type);
 
-  if (type == "boolean") {
-    AddParameter("yesorno", _("New value"));
-    size_t valueParamIndex = parameters.size() - 1;
+  AddParameter("operator", _("Modification's sign"), type);
+  AddParameter(type == "number" ? "expression" : type, _("Value"));
+  size_t operatorParamIndex = parameters.size() - 2;
+  size_t valueParamIndex = parameters.size() - 1;
 
-    if (isObjectInstruction || isBehaviorInstruction) {
-      gd::String templateSentence = _("Set _PARAM0_ as <subject>: <value>");
+  if (isObjectInstruction || isBehaviorInstruction) {
+    gd::String templateSentence =
+        _("Change <subject> of _PARAM0_: <operator> <value>");
 
-      sentence =
-          templateSentence
-              .FindAndReplace("<subject>", sentence)
-              .FindAndReplace("<value>",
-                              "_PARAM" + gd::String::From(valueParamIndex) + "_");
-    } else {
-      gd::String templateSentence = _("Change <subject>: <value>");
-
-      sentence =
-          templateSentence
-              .FindAndReplace("<subject>", sentence)
-              .FindAndReplace("<value>",
-                              "_PARAM" + gd::String::From(valueParamIndex) + "_");
-    }
+    sentence =
+        templateSentence.FindAndReplace("<subject>", sentence)
+            .FindAndReplace(
+                "<operator>",
+                "_PARAM" + gd::String::From(operatorParamIndex) + "_")
+            .FindAndReplace("<value>",
+                            "_PARAM" + gd::String::From(valueParamIndex) + "_");
   } else {
-    AddParameter("operator", _("Modification's sign"), expressionValueType);
-    AddParameter(type, _("Value"), typeExtraInfo);
+    gd::String templateSentence = _("Change <subject>: <operator> <value>");
 
-    size_t operatorParamIndex = parameters.size() - 2;
-    size_t valueParamIndex = parameters.size() - 1;
-
-    if (isObjectInstruction || isBehaviorInstruction) {
-      gd::String templateSentence = _("Change <subject> of _PARAM0_: <operator> <value>");
-
-      sentence =
-          templateSentence.FindAndReplace("<subject>", sentence)
-              .FindAndReplace(
-                  "<operator>",
-                  "_PARAM" + gd::String::From(operatorParamIndex) + "_")
-              .FindAndReplace("<value>",
-                              "_PARAM" + gd::String::From(valueParamIndex) + "_");
-    } else {
-      gd::String templateSentence = _("Change <subject>: <operator> <value>");
-
-      sentence =
-          templateSentence.FindAndReplace("<subject>", sentence)
-              .FindAndReplace(
-                  "<operator>",
-                  "_PARAM" + gd::String::From(operatorParamIndex) + "_")
-              .FindAndReplace("<value>",
-                              "_PARAM" + gd::String::From(valueParamIndex) + "_");
-    }
+    sentence =
+        templateSentence.FindAndReplace("<subject>", sentence)
+            .FindAndReplace(
+                "<operator>",
+                "_PARAM" + gd::String::From(operatorParamIndex) + "_")
+            .FindAndReplace("<value>",
+                            "_PARAM" + gd::String::From(valueParamIndex) + "_");
   }
 
   return *this;
@@ -155,67 +126,37 @@ InstructionMetadata& InstructionMetadata::UseStandardOperatorParameters(
 
 InstructionMetadata&
 InstructionMetadata::UseStandardRelationalOperatorParameters(
-    const gd::String& type, const gd::String& typeExtraInfo) {
-  const gd::String& expressionValueType =
-      gd::ValueTypeMetadata::GetPrimitiveValueType(type);
-  SetManipulatedType(expressionValueType);
+    const gd::String& type) {
+  SetManipulatedType(type);
 
-  if (type == "boolean") {
-    if (isObjectInstruction || isBehaviorInstruction) {
-      gd::String templateSentence = _("_PARAM0_ is <subject>");
+  AddParameter("relationalOperator", _("Sign of the test"), type);
+  AddParameter(type == "number" ? "expression" : type, _("Value to compare"));
+  size_t operatorParamIndex = parameters.size() - 2;
+  size_t valueParamIndex = parameters.size() - 1;
 
-      sentence =
-          templateSentence
-              .FindAndReplace("<subject>", sentence);
-    } else {
-      gd::String templateSentence = _("<subject>");
+  if (isObjectInstruction || isBehaviorInstruction) {
+    gd::String templateSentence = _("<subject> of _PARAM0_ <operator> <value>");
 
-      sentence =
-          templateSentence.FindAndReplace("<subject>", sentence);
-    }
+    sentence =
+        templateSentence.FindAndReplace("<subject>", sentence)
+            .FindAndReplace(
+                "<operator>",
+                "_PARAM" + gd::String::From(operatorParamIndex) + "_")
+            .FindAndReplace("<value>",
+                            "_PARAM" + gd::String::From(valueParamIndex) + "_");
   } else {
-    AddParameter("relationalOperator", _("Sign of the test"), expressionValueType);
-    AddParameter(type, _("Value to compare"), typeExtraInfo);
-    size_t operatorParamIndex = parameters.size() - 2;
-    size_t valueParamIndex = parameters.size() - 1;
+    gd::String templateSentence = _("<subject> <operator> <value>");
 
-    if (isObjectInstruction || isBehaviorInstruction) {
-      gd::String templateSentence = _("<subject> of _PARAM0_ <operator> <value>");
-
-      sentence =
-          templateSentence.FindAndReplace("<subject>", sentence)
-              .FindAndReplace(
-                  "<operator>",
-                  "_PARAM" + gd::String::From(operatorParamIndex) + "_")
-              .FindAndReplace("<value>",
-                              "_PARAM" + gd::String::From(valueParamIndex) + "_");
-    } else {
-      gd::String templateSentence = _("<subject> <operator> <value>");
-
-      sentence =
-          templateSentence.FindAndReplace("<subject>", sentence)
-              .FindAndReplace(
-                  "<operator>",
-                  "_PARAM" + gd::String::From(operatorParamIndex) + "_")
-              .FindAndReplace("<value>",
-                              "_PARAM" + gd::String::From(valueParamIndex) + "_");
-    }
+    sentence =
+        templateSentence.FindAndReplace("<subject>", sentence)
+            .FindAndReplace(
+                "<operator>",
+                "_PARAM" + gd::String::From(operatorParamIndex) + "_")
+            .FindAndReplace("<value>",
+                            "_PARAM" + gd::String::From(valueParamIndex) + "_");
   }
 
   return *this;
 }
 
-InstructionMetadata& InstructionMetadata::SetRequiresBaseObjectCapability(
-    const gd::String& capability) {
-  if (!IsObjectInstruction() && !IsBehaviorInstruction()) {
-    gd::LogError("Tried to add capability \"" + capability +
-                 "\" to instruction named \"" + fullname +
-                 "\", which is not an object or behavior instruction.");
-    return *this;
-  }
-
-  requiredBaseObjectCapability = capability;
-  return *this;
-}
-
 }  // namespace gd

Core/GDCore/Extensions/Metadata/InstructionMetadata.h

@@ -6,7 +6,6 @@
 
 #ifndef INSTRUCTIONMETADATA_H
 #define INSTRUCTIONMETADATA_H
-#include <algorithm>
 #include <functional>
 #include <map>
 #include <memory>
@@ -99,23 +98,6 @@ class GD_CORE_API InstructionMetadata {
     return *this;
   }
 
-  /**
-   * Check if the instruction is asynchronous - it will be running in the
-   * background, executing the instructions following it before the frame after
-   * it resolved.
-   */
-  bool IsAsync() const {
-    return !codeExtraInformation.asyncFunctionCallName.empty();
-  }
-
-  /**
-   * Check if the instruction asynchronicity is optional. If it is, it can either
-   * be used synchronously or asynchronously, with one function for each.
-   */
-  bool IsOptionallyAsync() const {
-    return IsAsync() && !codeExtraInformation.functionCallName.empty();
-  }
-
   /**
    * Notify that the instruction can have sub instructions.
    */
@@ -156,19 +138,18 @@ class GD_CORE_API InstructionMetadata {
    * \param description Description for parameter
    * \param supplementaryInformation Additional information that can be used for
    * rendering or logic. For example:
-   * - If type is "object", this argument will describe which objects are
-   * allowed. If this argument is empty, all objects are allowed.
-   * - If type is "operator", this argument will be used to display only
-   * pertinent operators. \param parameterIsOptional true if the parameter must
-   * be optional, false otherwise.
+   * - If type is "object", this argument will describe which objects are allowed.
+   * If this argument is empty, all objects are allowed.
+   * - If type is "operator", this argument will be used to display only pertinent operators.
+   * \param parameterIsOptional true if the parameter must be optional, false
+   * otherwise.
    *
    * \see EventsCodeGenerator::GenerateParametersCodes
    */
-  InstructionMetadata &AddParameter(
-      const gd::String &type,
-      const gd::String &label,
-      const gd::String &supplementaryInformation = "",
-      bool parameterIsOptional = false);
+  InstructionMetadata &AddParameter(const gd::String &type,
+                                    const gd::String &label,
+                                    const gd::String &supplementaryInformation = "",
+                                    bool parameterIsOptional = false);
 
   /**
    * \brief Add a parameter not displayed in editor.
@@ -206,7 +187,7 @@ class GD_CORE_API InstructionMetadata {
     if (!parameters.empty())
       parameters.back().SetLongDescription(longDescription);
     return *this;
-  }
+  };
 
   /**
    * \brief Set the additional information, used for some parameters
@@ -216,28 +197,23 @@ class GD_CORE_API InstructionMetadata {
    * \see AddParameter
    */
   InstructionMetadata &SetParameterExtraInfo(const gd::String &extraInfo) {
-    if (!parameters.empty()) parameters.back().SetExtraInfo(extraInfo);
+    if (!parameters.empty())
+      parameters.back().SetExtraInfo(extraInfo);
     return *this;
-  }
+  };
 
   /**
    * \brief Add the default parameters for an instruction manipulating the
    * specified type ("string", "number") with the default operators.
-   * 
-   * \note The type "string" can be declined in several subtypes.
-   * \see ParameterMetadata
    */
-  InstructionMetadata &UseStandardOperatorParameters(const gd::String &type, const gd::String& typeExtraInfo = "");
+  InstructionMetadata &UseStandardOperatorParameters(const gd::String &type);
 
   /**
    * \brief Add the default parameters for an instruction comparing the
    * specified type ("string", "number") with the default relational operators.
-   * 
-   * \note The type "string" can be declined in several subtypes.
-   * \see ParameterMetadata
    */
   InstructionMetadata &UseStandardRelationalOperatorParameters(
-      const gd::String &type, const gd::String& typeExtraInfo = "");
+      const gd::String &type);
 
   /**
    * \brief Mark the instruction as an object instruction. Automatically called
@@ -260,28 +236,15 @@ class GD_CORE_API InstructionMetadata {
   /**
    * \brief Check if the instruction is an object instruction.
    */
-  bool IsObjectInstruction() const { return isObjectInstruction; }
+  bool IsObjectInstruction() const {
+    return isObjectInstruction;
+  }
 
   /**
    * \brief Check if the instruction is a behavior instruction.
    */
-  bool IsBehaviorInstruction() const { return isBehaviorInstruction; }
-
-  /**
-   * \brief Mark this (object) instruction as requiring the specified
-   * capability, offered by the base object. This is useful for some objects
-   * that don't support this capability, so that the editor can hide the
-   * instruction as it does not apply to them.
-   */
-  InstructionMetadata &SetRequiresBaseObjectCapability(
-      const gd::String &capability);
-
-  /**
-   * \brief Get the required specified capability for this (object) instruction,
-   * or an empty string if there is nothing specific required.
-   */
-  const gd::String &GetRequiredBaseObjectCapability() const {
-    return requiredBaseObjectCapability;
+  bool IsBehaviorInstruction() const {
+    return isBehaviorInstruction;
   }
 
   /**
@@ -325,26 +288,14 @@ class GD_CORE_API InstructionMetadata {
     virtual ~ExtraInformation(){};
 
     /**
-     * Set the name of the function which will be called in the generated code.
-     * \param functionName the name of the function to call.
+     * Set the function name which will be used when generating the code.
+     * \param functionName the name of the function to call
      */
     ExtraInformation &SetFunctionName(const gd::String &functionName_) {
       functionCallName = functionName_;
       return *this;
     }
 
-    /**
-     * Set the name of the function, doing asynchronous work, which will be called in
-     * the generated code. This function should return an asynchronous task
-     * (i.e: `gdjs.AsyncTask` in the JavaScript runtime).
-     *
-     * \param functionName the name of the function doing asynchronous work to call.
-     */
-    ExtraInformation &SetAsyncFunctionName(const gd::String &functionName_) {
-      asyncFunctionCallName = functionName_;
-      return *this;
-    }
-
     /**
      * Declare if the instruction being declared is somewhat manipulating in a
      * standard way.
@@ -367,12 +318,12 @@ class GD_CORE_API InstructionMetadata {
      *                 _("the string"),
      *                 _("Text"),
      *                 "CppPlatform/Extensions/text24.png",
-     *                 "CppPlatform/Extensions/text_black.png");
+     *                 "CppPlatform/Extensions/text.png");
      *
      *      .AddParameter("object", _("Object"), "Text", false)
      *      .AddParameter("operator", _("Modification operator"), "string")
      *      .AddParameter("string", _("String"))
-     *      .SetFunctionName("SetString").SetManipulatedType("string").SetGetter("GetString");
+     *      .SetFunctionName("SetString").SetManipulatedType("string").SetGetter("GetString").SetIncludeFile("MyExtension/TextObject.h");
      *
      *  DECLARE_END_OBJECT_ACTION()
      * \endcode
@@ -440,7 +391,6 @@ class GD_CORE_API InstructionMetadata {
     bool HasCustomCodeGenerator() const { return hasCustomCodeGenerator; }
 
     gd::String functionCallName;
-    gd::String asyncFunctionCallName;
     gd::String type;
     AccessType accessType;
     gd::String optionalAssociatedInstruction;
@@ -473,49 +423,15 @@ class GD_CORE_API InstructionMetadata {
   }
 
   /**
-   * Set the name of the function which will be called in the generated code.
-   * \param functionName the name of the function to call.
+   * \brief Set the function that should be called when generating the source
+   * code from events.
+   * \param functionName the name of the function to call
    * \note Shortcut for `codeExtraInformation.SetFunctionName`.
    */
   ExtraInformation &SetFunctionName(const gd::String &functionName) {
     return codeExtraInformation.SetFunctionName(functionName);
   }
 
-  /**
-   * Set the name of the function, doing asynchronous work, which will be called in
-   * the generated code. This function should return an asynchronous task
-   * (i.e: `gdjs.AsyncTask` in the JavaScript runtime).
-   *
-   * \param functionName the name of the function doing asynchronous work to call.
-   * \note Shortcut for `codeExtraInformation.SetAsyncFunctionName`.
-   */
-  ExtraInformation &SetAsyncFunctionName(const gd::String &functionName) {
-    return codeExtraInformation.SetAsyncFunctionName(functionName);
-  }
-
-  /**
-   * \brief Erase any existing include file and add the specified include.
-   */
-  InstructionMetadata &SetIncludeFile(const gd::String &includeFile) {
-    codeExtraInformation.SetIncludeFile(includeFile);
-    return *this;
-  }
-
-  /**
-   * \brief Add a file to the already existing include files.
-   */
-  InstructionMetadata &AddIncludeFile(const gd::String &includeFile) {
-    codeExtraInformation.AddIncludeFile(includeFile);
-    return *this;
-  }
-
-  /**
-   * \brief Get the files that must be included to use the instruction.
-   */
-  const std::vector<gd::String>& GetIncludeFiles() const {
-    return codeExtraInformation.GetIncludeFiles();
-  };
-
   std::vector<ParameterMetadata> parameters;
 
  private:
@@ -534,7 +450,6 @@ class GD_CORE_API InstructionMetadata {
   bool isPrivate;
   bool isObjectInstruction;
   bool isBehaviorInstruction;
-  gd::String requiredBaseObjectCapability;
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Metadata/InstructionOrExpressionGroupMetadata.h

@@ -1,31 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2022 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-#pragma once
-#include "GDCore/String.h"
-
-namespace gd {
-/**
- * \brief Contains information about how to display a group of instructions
- * to the user.
- */
-class GD_CORE_API InstructionOrExpressionGroupMetadata {
- public:
-  InstructionOrExpressionGroupMetadata(){};
-
-  /**
-   * \brief Sets the icon shown to users.
-   */
-  InstructionOrExpressionGroupMetadata& SetIcon(const gd::String& icon_) {
-    icon = icon_;
-    return *this;
-  };
-
-  const gd::String& GetIcon() const { return icon; };
-
- private:
-  gd::String icon;
-};
-}  // namespace gd

Core/GDCore/Extensions/Metadata/MetadataProvider.cpp

@@ -13,9 +13,7 @@
 #include "GDCore/Extensions/Metadata/ObjectMetadata.h"
 #include "GDCore/Extensions/Platform.h"
 #include "GDCore/Extensions/PlatformExtension.h"
-#include "GDCore/Project/Layout.h"  // For GetTypeOfObject and GetTypeOfBehavior
 #include "GDCore/String.h"
-#include "GDCore/Events/Parsers/ExpressionParser2.h"
 
 using namespace std;
 
@@ -32,9 +30,12 @@ ExtensionAndMetadata<BehaviorMetadata>
 MetadataProvider::GetExtensionAndBehaviorMetadata(const gd::Platform& platform,
                                                   gd::String behaviorType) {
   for (auto& extension : platform.GetAllPlatformExtensions()) {
-    if (extension->HasBehavior(behaviorType))
-      return ExtensionAndMetadata<BehaviorMetadata>(
-          *extension, extension->GetBehaviorMetadata(behaviorType));
+    auto behaviorTypes = extension->GetBehaviorsTypes();
+    for (std::size_t j = 0; j < behaviorTypes.size(); ++j) {
+      if (behaviorTypes[j] == behaviorType)
+        return ExtensionAndMetadata<BehaviorMetadata>(
+            *extension, extension->GetBehaviorMetadata(behaviorType));
+    }
   }
 
   return ExtensionAndMetadata<BehaviorMetadata>(badExtension, badBehaviorMetadata);
@@ -201,7 +202,8 @@ MetadataProvider::GetExtensionAndBehaviorExpressionMetadata(
     const gd::Platform& platform, gd::String autoType, gd::String exprType) {
   auto& extensions = platform.GetAllPlatformExtensions();
   for (auto& extension : extensions) {
-    if (extension->HasBehavior(autoType)) {
+    const auto& autos = extension->GetBehaviorsTypes();
+    if (find(autos.begin(), autos.end(), autoType) != autos.end()) {
       const auto& allAutoExpressions =
           extension->GetAllExpressionsForBehavior(autoType);
       if (allAutoExpressions.find(exprType) != allAutoExpressions.end())
@@ -290,7 +292,8 @@ MetadataProvider::GetExtensionAndBehaviorStrExpressionMetadata(
     const gd::Platform& platform, gd::String autoType, gd::String exprType) {
   auto& extensions = platform.GetAllPlatformExtensions();
   for (auto& extension : extensions) {
-    if (extension->HasBehavior(autoType)) {
+    const auto& autos = extension->GetBehaviorsTypes();
+    if (find(autos.begin(), autos.end(), autoType) != autos.end()) {
       const auto& allBehaviorStrExpressions =
           extension->GetAllStrExpressionsForBehavior(autoType);
       if (allBehaviorStrExpressions.find(exprType) !=
@@ -347,30 +350,28 @@ const gd::ExpressionMetadata& MetadataProvider::GetAnyExpressionMetadata(
     const gd::Platform& platform, gd::String exprType) {
   const auto& numberExpressionMetadata =
       GetExpressionMetadata(platform, exprType);
-  if (&numberExpressionMetadata != &badExpressionMetadata) {
-    return numberExpressionMetadata;
-  }
   const auto& stringExpressionMetadata =
       GetStrExpressionMetadata(platform, exprType);
-  if (&stringExpressionMetadata != &badExpressionMetadata) {
-    return stringExpressionMetadata;
-  }
-  return badExpressionMetadata;
+
+  return &numberExpressionMetadata != &badExpressionMetadata
+             ? numberExpressionMetadata
+             : &stringExpressionMetadata != &badExpressionMetadata
+                   ? stringExpressionMetadata
+                   : badExpressionMetadata;
 }
 
 const gd::ExpressionMetadata& MetadataProvider::GetObjectAnyExpressionMetadata(
     const gd::Platform& platform, gd::String objectType, gd::String exprType) {
   const auto& numberExpressionMetadata =
       GetObjectExpressionMetadata(platform, objectType, exprType);
-  if (&numberExpressionMetadata != &badExpressionMetadata) {
-    return numberExpressionMetadata;
-  }
   const auto& stringExpressionMetadata =
       GetObjectStrExpressionMetadata(platform, objectType, exprType);
-  if (&stringExpressionMetadata != &badExpressionMetadata) {
-    return stringExpressionMetadata;
-  }
-  return badExpressionMetadata;
+
+  return &numberExpressionMetadata != &badExpressionMetadata
+             ? numberExpressionMetadata
+             : &stringExpressionMetadata != &badExpressionMetadata
+                   ? stringExpressionMetadata
+                   : badExpressionMetadata;
 }
 
 const gd::ExpressionMetadata&
@@ -379,98 +380,14 @@ MetadataProvider::GetBehaviorAnyExpressionMetadata(const gd::Platform& platform,
                                                    gd::String exprType) {
   const auto& numberExpressionMetadata =
       GetBehaviorExpressionMetadata(platform, autoType, exprType);
-  if (&numberExpressionMetadata != &badExpressionMetadata) {
-    return numberExpressionMetadata;
-  }
   const auto& stringExpressionMetadata =
       GetBehaviorStrExpressionMetadata(platform, autoType, exprType);
-  if (&stringExpressionMetadata != &badExpressionMetadata) {
-    return stringExpressionMetadata;
-  }
-  return badExpressionMetadata;
-}
 
-const gd::ExpressionMetadata& MetadataProvider::GetFunctionCallMetadata(
-    const gd::Platform& platform, 
-    const gd::ObjectsContainer &globalObjectsContainer,
-    const gd::ObjectsContainer &objectsContainer,
-    FunctionCallNode& node) {
-
-  if (!node.behaviorName.empty()) {
-    gd::String behaviorType = 
-        GetTypeOfBehavior(globalObjectsContainer, objectsContainer, node.behaviorName);
-    return MetadataProvider::GetBehaviorAnyExpressionMetadata(
-            platform, behaviorType, node.functionName);
-  }
-  else if (!node.objectName.empty()) {
-    gd::String objectType = 
-        GetTypeOfObject(globalObjectsContainer, objectsContainer, node.objectName);
-    return MetadataProvider::GetObjectAnyExpressionMetadata(
-                  platform, objectType, node.functionName);
-  }
-
-  return MetadataProvider::GetAnyExpressionMetadata(platform, node.functionName);
-}
-
-  const gd::ParameterMetadata* MetadataProvider::GetFunctionCallParameterMetadata(
-    const gd::Platform& platform, 
-    const gd::ObjectsContainer &globalObjectsContainer,
-    const gd::ObjectsContainer &objectsContainer,
-    FunctionCallNode& functionCall,
-    ExpressionNode& parameter) {
-      int parameterIndex = -1;
-      for (int i = 0; i < functionCall.parameters.size(); i++) {
-        if (functionCall.parameters.at(i).get() == &parameter) {
-          parameterIndex = i;
-          break;
-        }
-      }
-      if (parameterIndex < 0) {
-        return nullptr;
-      }
-      return MetadataProvider::GetFunctionCallParameterMetadata(
-          platform, 
-          globalObjectsContainer,
-          objectsContainer,
-          functionCall,
-          parameterIndex);
-}
-
-  const gd::ParameterMetadata* MetadataProvider::GetFunctionCallParameterMetadata(
-    const gd::Platform& platform, 
-    const gd::ObjectsContainer &globalObjectsContainer,
-    const gd::ObjectsContainer &objectsContainer,
-    FunctionCallNode& functionCall,
-    int parameterIndex) {
-      // Search the parameter metadata index skipping invisible ones.
-      size_t visibleParameterIndex = 0;
-      size_t metadataParameterIndex =
-          ExpressionParser2::WrittenParametersFirstIndex(
-              functionCall.objectName, functionCall.behaviorName);
-      const gd::ExpressionMetadata &metadata = MetadataProvider::GetFunctionCallMetadata(
-          platform, globalObjectsContainer, objectsContainer, functionCall);
-
-      if (IsBadExpressionMetadata(metadata)) {
-        return nullptr;
-      }
-
-      // TODO use a badMetadata instead of a nullptr?
-      const gd::ParameterMetadata* parameterMetadata = nullptr;
-      while (metadataParameterIndex <
-             metadata.parameters.size()) {
-        if (!metadata.parameters[metadataParameterIndex]
-                 .IsCodeOnly()) {
-          if (visibleParameterIndex == parameterIndex) {
-            parameterMetadata = &metadata.parameters[metadataParameterIndex];
-          }
-          visibleParameterIndex++;
-        }
-        metadataParameterIndex++;
-      }
-      const int visibleParameterCount = visibleParameterIndex;
-      // It can be null if there are too many parameters in the expression, this text node is
-      // not actually linked to a parameter expected by the function call.
-      return parameterMetadata;
+  return &numberExpressionMetadata != &badExpressionMetadata
+             ? numberExpressionMetadata
+             : &stringExpressionMetadata != &badExpressionMetadata
+                   ? stringExpressionMetadata
+                   : badExpressionMetadata;
 }
 
 MetadataProvider::~MetadataProvider() {}

Core/GDCore/Extensions/Metadata/MetadataProvider.h

@@ -15,8 +15,6 @@ class ExpressionMetadata;
 class ExpressionMetadata;
 class Platform;
 class PlatformExtension;
-struct FunctionCallNode;
-struct ExpressionNode;
 }  // namespace gd
 
 namespace gd {
@@ -236,26 +234,6 @@ class GD_CORE_API MetadataProvider {
   static const gd::ExpressionMetadata& GetObjectAnyExpressionMetadata(
       const gd::Platform& platform, gd::String objectType, gd::String exprType);
 
-  static const gd::ExpressionMetadata& GetFunctionCallMetadata(
-    const gd::Platform& platform, 
-    const gd::ObjectsContainer &globalObjectsContainer,
-    const gd::ObjectsContainer &objectsContainer,
-    FunctionCallNode& node);
-
-  static const gd::ParameterMetadata* GetFunctionCallParameterMetadata(
-    const gd::Platform& platform, 
-    const gd::ObjectsContainer &globalObjectsContainer,
-    const gd::ObjectsContainer &objectsContainer,
-    FunctionCallNode& functionCall,
-    ExpressionNode& parameter);
-
-  static const gd::ParameterMetadata* GetFunctionCallParameterMetadata(
-    const gd::Platform& platform, 
-    const gd::ObjectsContainer &globalObjectsContainer,
-    const gd::ObjectsContainer &objectsContainer,
-    FunctionCallNode& functionCall,
-    int parameterIndex);
-
   /**
    * Get information about an expression from its type.
    * Works for behavior expressions.

Core/GDCore/Extensions/Metadata/MultipleInstructionMetadata.h

@@ -31,11 +31,6 @@ class GD_CORE_API MultipleInstructionMetadata {
       gd::InstructionMetadata &action) {
     return MultipleInstructionMetadata(expression, condition, action);
   }
-  static MultipleInstructionMetadata WithConditionAndAction(
-      gd::InstructionMetadata &condition,
-      gd::InstructionMetadata &action) {
-    return MultipleInstructionMetadata(condition, action);
-  }
 
   /**
    * \see gd::InstructionMetadata::AddParameter
@@ -80,16 +75,6 @@ class GD_CORE_API MultipleInstructionMetadata {
     return *this;
   };
 
-  /**
-   * \see gd::InstructionMetadata::SetParameterExtraInfo
-   */
-  MultipleInstructionMetadata &SetParameterExtraInfo(const gd::String &defaultValue) {
-    if (expression) expression->SetParameterExtraInfo(defaultValue);
-    if (condition) condition->SetParameterExtraInfo(defaultValue);
-    if (action) action->SetParameterExtraInfo(defaultValue);
-    return *this;
-  };
-
   /**
    * \see gd::InstructionMetadata::SetParameterLongDescription
    */
@@ -111,24 +96,13 @@ class GD_CORE_API MultipleInstructionMetadata {
     return *this;
   };
 
-  /**
-   * \see gd::InstructionMetadata::SetRequiresBaseObjectCapability
-   */
-  MultipleInstructionMetadata &SetRequiresBaseObjectCapability(
-      const gd::String &capability) {
-    if (expression) expression->SetRequiresBaseObjectCapability(capability);
-    if (condition) condition->SetRequiresBaseObjectCapability(capability);
-    if (action) action->SetRequiresBaseObjectCapability(capability);
-    return *this;
-  }
-
   /**
    * \see gd::InstructionMetadata::UseStandardOperatorParameters
    * \see gd::InstructionMetadata::UseStandardRelationalOperatorParameters
    */
-  MultipleInstructionMetadata &UseStandardParameters(const gd::String &type, const gd::String& typeExtraInfo = "") {
-    if (condition) condition->UseStandardRelationalOperatorParameters(type, typeExtraInfo);
-    if (action) action->UseStandardOperatorParameters(type, typeExtraInfo);
+  MultipleInstructionMetadata &UseStandardParameters(const gd::String &type) {
+    if (condition) condition->UseStandardRelationalOperatorParameters(type);
+    if (action) action->UseStandardOperatorParameters(type);
     return *this;
   }
 
@@ -164,33 +138,6 @@ class GD_CORE_API MultipleInstructionMetadata {
     return *this;
   }
 
-  /**
-   * \brief Get the files that must be included to use the instruction.
-   */
-  const std::vector<gd::String>& GetIncludeFiles() const {
-    if (expression)
-      return expression->GetCodeExtraInformation().GetIncludeFiles();
-    if (condition)
-      return condition->GetCodeExtraInformation().GetIncludeFiles();
-    if (action)
-      return action->GetCodeExtraInformation().GetIncludeFiles();
-    // It can't actually happen.
-    throw std::logic_error("no instruction metadata");
-  }
-
-  /**
-   * \see gd::InstructionMetadata::SetPrivate
-   */
-  MultipleInstructionMetadata &SetPrivate() {
-    if (expression)
-      expression->SetPrivate();
-    if (condition)
-      condition->SetPrivate();
-    if (action)
-      action->SetPrivate();
-    return *this;
-  }
-
   /**
    * \see gd::InstructionMetadata::MarkAsSimple
    */
@@ -232,9 +179,6 @@ class GD_CORE_API MultipleInstructionMetadata {
                               gd::InstructionMetadata &condition_,
                               gd::InstructionMetadata &action_)
       : expression(&expression_), condition(&condition_), action(&action_){};
-  MultipleInstructionMetadata(gd::InstructionMetadata &condition_,
-                              gd::InstructionMetadata &action_)
-      : expression(nullptr), condition(&condition_), action(&action_){};
 
   gd::ExpressionMetadata *expression;
   gd::InstructionMetadata *condition;

Core/GDCore/Extensions/Metadata/ObjectMetadata.cpp

@@ -14,7 +14,6 @@
 #include "GDCore/Extensions/PlatformExtension.h"
 #include "GDCore/Project/Object.h"
 #include "GDCore/Tools/Localization.h"
-#include "GDCore/Tools/Log.h"
 
 namespace gd {
 
@@ -23,40 +22,30 @@ ObjectMetadata::ObjectMetadata(const gd::String& extensionNamespace_,
                                const gd::String& fullname_,
                                const gd::String& description_,
                                const gd::String& icon24x24,
-                               std::shared_ptr<gd::ObjectConfiguration> blueprintObject_)
-    : ObjectMetadata(extensionNamespace_,
-                     name_,
-                     fullname_,
-                     description_,
-                     icon24x24,
-                     [blueprintObject_]() -> std::unique_ptr<gd::ObjectConfiguration> {
-    if (blueprintObject_ == std::shared_ptr<gd::ObjectConfiguration>()) {
-      gd::LogFatalError(
-          "Error: Unable to create object. Have you declared an extension "
-          "(or ObjectMetadata) without specifying an object as blueprint?");
+                               std::shared_ptr<gd::Object> blueprintObject_)
+    : extensionNamespace(extensionNamespace_),
+      blueprintObject(blueprintObject_) {
+  name = name_;
+#if defined(GD_IDE_ONLY)
+  SetFullName(gd::String(fullname_));
+  SetDescription(gd::String(description_));
+  iconFilename = icon24x24;
+#endif
+  createFunPtr =
+      [blueprintObject_](gd::String name) -> std::unique_ptr<gd::Object> {
+    if (blueprintObject_ == std::shared_ptr<gd::Object>()) {
+      std::cout
+          << "Error: Unable to create object. Have you declared an extension "
+             "(or ObjectMetadata) without specifying an object as blueprint?"
+          << std::endl;
       return nullptr;
     }
-    return blueprintObject_->Clone();
-  }) {
-  blueprintObject = blueprintObject_;
-}
 
-ObjectMetadata::ObjectMetadata(const gd::String& extensionNamespace_,
-                               const gd::String& name_,
-                               const gd::String& fullname_,
-                               const gd::String& description_,
-                               const gd::String& icon24x24)
-    : ObjectMetadata(extensionNamespace_,
-                     name_,
-                     fullname_,
-                     description_,
-                     icon24x24,
-                     []() -> std::unique_ptr<gd::ObjectConfiguration> {
-      gd::LogFatalError(
-          "Error: Event-based objects don't have blueprint. "
-          "This method should not never be called.");
-      return nullptr;
-    }) {}
+    std::unique_ptr<gd::Object> newObject = blueprintObject_->Clone();
+    newObject->SetName(name);
+    return newObject;
+  };
+}
 
 ObjectMetadata::ObjectMetadata(const gd::String& extensionNamespace_,
                                const gd::String& name_,
@@ -64,12 +53,14 @@ ObjectMetadata::ObjectMetadata(const gd::String& extensionNamespace_,
                                const gd::String& description_,
                                const gd::String& icon24x24,
                                CreateFunPtr createFunPtrP)
-    : name(name_),
-      iconFilename(icon24x24),
-      createFunPtr(createFunPtrP),
-      extensionNamespace(extensionNamespace_) {
+    : extensionNamespace(extensionNamespace_) {
+  name = name_;
+#if defined(GD_IDE_ONLY)
   SetFullName(gd::String(fullname_));
   SetDescription(gd::String(description_));
+  iconFilename = icon24x24;
+#endif
+  createFunPtr = createFunPtrP;
 }
 
 gd::InstructionMetadata& ObjectMetadata::AddCondition(
@@ -270,41 +261,6 @@ ObjectMetadata::AddExpressionAndConditionAndAction(
     const gd::String& sentenceName,
     const gd::String& group,
     const gd::String& icon) {
-  if (type != "number" && type != "string" && type != "boolean") {
-    gd::LogError(
-        "Unrecognised type passed to AddExpressionAndConditionAndAction: " +
-        type + ". Verify this type is valid and supported.");
-  }
-
-  gd::String conditionDescriptionTemplate =
-      type == "boolean" ? _("Check if <subject>.") : _("Compare <subject>.");
-  auto& condition =
-      AddScopedCondition(name,
-                         fullname,
-                         conditionDescriptionTemplate.FindAndReplace(
-                             "<subject>", descriptionSubject),
-                         sentenceName,
-                         group,
-                         icon,
-                         icon);
-
-  gd::String actionDescriptionTemplate = type == "boolean"
-                                             ? _("Set (or unset) if <subject>.")
-                                             : _("Change <subject>.");
-  auto& action = AddScopedAction(
-      "Set" + name,
-      fullname,
-      actionDescriptionTemplate.FindAndReplace("<subject>", descriptionSubject),
-      sentenceName,
-      group,
-      icon,
-      icon);
-
-
-  if (type == "boolean") {
-    return MultipleInstructionMetadata::WithConditionAndAction(condition, action);
-  }
-
   gd::String expressionDescriptionTemplate = _("Return <subject>.");
   auto& expression =
       type == "number"
@@ -315,11 +271,32 @@ ObjectMetadata::AddExpressionAndConditionAndAction(
                           group,
                           icon)
           : AddStrExpression(name,
-                            fullname,
-                            expressionDescriptionTemplate.FindAndReplace(
-                                "<subject>", descriptionSubject),
-                            group,
-                            icon);
+                             fullname,
+                             expressionDescriptionTemplate.FindAndReplace(
+                                 "<subject>", descriptionSubject),
+                             group,
+                             icon);
+
+  gd::String conditionDescriptionTemplate = _("Compare <subject>.");
+  auto& condition =
+      AddScopedCondition(name,
+                         fullname,
+                         conditionDescriptionTemplate.FindAndReplace(
+                             "<subject>", descriptionSubject),
+                         sentenceName,
+                         group,
+                         icon,
+                         icon);
+
+  gd::String actionDescriptionTemplate = _("Change <subject>.");
+  auto& action = AddScopedAction(
+      "Set" + name,
+      fullname,
+      actionDescriptionTemplate.FindAndReplace("<subject>", descriptionSubject),
+      sentenceName,
+      group,
+      icon,
+      icon);
 
   return MultipleInstructionMetadata::WithExpressionAndConditionAndAction(
       expression, condition, action);

Core/GDCore/Extensions/Metadata/ObjectMetadata.h

@@ -7,13 +7,11 @@
 #define OBJECTMETADATA_H
 #include <functional>
 #include <map>
-#include <set>
 #include <memory>
 
 #include "GDCore/Extensions/Metadata/ExpressionMetadata.h"
 #include "GDCore/Extensions/Metadata/InstructionMetadata.h"
 #include "GDCore/Project/Object.h"
-#include "GDCore/Project/ObjectConfiguration.h"
 #include "GDCore/String.h"
 namespace gd {
 class InstructionMetadata;
@@ -21,7 +19,7 @@ class MultipleInstructionMetadata;
 class ExpressionMetadata;
 }  // namespace gd
 
-typedef std::function<std::unique_ptr<gd::ObjectConfiguration>()>
+typedef std::function<std::unique_ptr<gd::Object>(gd::String name)>
     CreateFunPtr;
 
 namespace gd {
@@ -43,17 +41,7 @@ class GD_CORE_API ObjectMetadata {
                  const gd::String& fullname_,
                  const gd::String& description_,
                  const gd::String& icon24x24_,
-                 std::shared_ptr<gd::ObjectConfiguration> blueprintObject_);
-  /**
-   * \brief Construct an object metadata, without "blueprint" object
-   * 
-   * \note This is used by events based objects.
-   */
-  ObjectMetadata(const gd::String& extensionNamespace_,
-                 const gd::String& name_,
-                 const gd::String& fullname_,
-                 const gd::String& description_,
-                 const gd::String& icon24x24_);
+                 std::shared_ptr<gd::Object> blueprintObject_);
 
   /**
    * \brief Construct an object metadata, with a function that will be called
@@ -212,48 +200,13 @@ class GD_CORE_API ObjectMetadata {
     return *this;
   }
 
-  /**
-   * \brief Set the (user friendly) name of the group this object must
-   * be categorised in.
-   */
-  ObjectMetadata& SetCategoryFullName(const gd::String& categoryFullName_) {
-    categoryFullName = categoryFullName_;
-    return *this;
-  }
-
-  /**
-   * \brief The "capabilities" that are offered by the base object that are
-   * *not* supported by this object, and should be hidden in the editor
-   * inferface.
-   */
-  const std::set<gd::String>& GetUnsupportedBaseObjectCapabilities() const {
-    return unsupportedBaseObjectCapabilities;
-  }
-
-  /**
-   * \brief Add a "capability" that is offered by the base object that is *not*
-   * supported by this object, and should be hidden in the editor inferface.
-   */
-  ObjectMetadata& AddUnsupportedBaseObjectCapability(
-      const gd::String& capability) {
-    unsupportedBaseObjectCapabilities.insert(capability);
-    return *this;
-  }
-
-  /**
-   * \brief Check if a "capability" that is offered by the base object is *not*
-   * supported by this object, and should be hidden in the editor inferface.
-   */
-  bool IsUnsupportedBaseObjectCapability(const gd::String& capability) const {
-    return unsupportedBaseObjectCapabilities.find(capability) != unsupportedBaseObjectCapabilities.end();
-  }
-
   const gd::String& GetName() const { return name; }
+#if defined(GD_IDE_ONLY)
   const gd::String& GetFullName() const { return fullname; }
-  const gd::String& GetCategoryFullName() const { return categoryFullName; }
   const gd::String& GetHelpUrl() const { return helpUrl; }
   const gd::String& GetDescription() const { return description; }
   const gd::String& GetIconFilename() const { return iconFilename; }
+#endif
 
   /**
    * \brief Set the URL pointing to the help page about this object
@@ -274,27 +227,7 @@ class GD_CORE_API ObjectMetadata {
    */
   ObjectMetadata& AddIncludeFile(const gd::String& includeFile);
 
-  /**
-   * \brief Return a reference to a map containing the names of the actions
-   * (as keys) and the metadata associated with (as values).
-   */
-  std::map<gd::String, gd::InstructionMetadata>& GetAllActions() { return actionsInfos; };
-
-  /**
-   * \see gd::PlatformExtension::GetAllActions
-   */
-  std::map<gd::String, gd::InstructionMetadata>& GetAllConditions() { return conditionsInfos; };
-
-  /**
-   * \see gd::PlatformExtension::GetAllActions
-   */
-  std::map<gd::String, gd::ExpressionMetadata>& GetAllExpressions() { return expressionsInfos; };
-
-  /**
-   * \see gd::PlatformExtension::GetAllActions
-   */
-  std::map<gd::String, gd::ExpressionMetadata>& GetAllStrExpressions() { return strExpressionsInfos; };
-
+#if defined(GD_IDE_ONLY)
   std::map<gd::String, gd::InstructionMetadata> conditionsInfos;
   std::map<gd::String, gd::InstructionMetadata> actionsInfos;
   std::map<gd::String, gd::ExpressionMetadata> expressionsInfos;
@@ -302,25 +235,23 @@ class GD_CORE_API ObjectMetadata {
 
   std::vector<gd::String> includeFiles;
   gd::String className;
+#endif
   CreateFunPtr createFunPtr;
 
  private:
   gd::String extensionNamespace;
   gd::String name;
   gd::String helpPath;
+#if defined(GD_IDE_ONLY)
   gd::String helpUrl;  ///< Deprecated. Use helpPath instead.
   gd::String fullname;
   gd::String description;
   gd::String iconFilename;
-  gd::String categoryFullName;
-  std::set<gd::String> unsupportedBaseObjectCapabilities;
-
-  std::shared_ptr<gd::ObjectConfiguration>
+#endif
+  std::shared_ptr<gd::Object>
       blueprintObject;  ///< The "blueprint" object to be copied when a new
                         ///< object is asked. Can be null in case a creation
-                        ///< function is passed or for events based objects
-                        ///< (CustomObject are using EventBasedObject, they
-                        ///< don't need blueprints).
+                        ///< function is passed.
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Metadata/ParameterMetadata.cpp

@@ -10,25 +10,28 @@
 
 namespace gd {
 
-ParameterMetadata::ParameterMetadata() : codeOnly(false) {}
+ParameterMetadata::ParameterMetadata() : optional(false), codeOnly(false) {}
 
 void ParameterMetadata::SerializeTo(SerializerElement& element) const {
-  valueTypeMetadata.SerializeTo(element);
+  element.SetAttribute("type", type);
+  element.SetAttribute("supplementaryInformation", supplementaryInformation);
+  element.SetAttribute("optional", optional);
   element.SetAttribute("description", description);
-  if (!longDescription.empty()) {
-    element.SetAttribute("longDescription", longDescription);
-  }
-  if (codeOnly) {
-   element.SetAttribute("codeOnly", codeOnly);
-  }
+  element.SetAttribute("longDescription", longDescription);
+  element.SetAttribute("codeOnly", codeOnly);
+  element.SetAttribute("defaultValue", defaultValue);
   element.SetAttribute("name", name);
 }
 
 void ParameterMetadata::UnserializeFrom(const SerializerElement& element) {
-  valueTypeMetadata.UnserializeFrom(element);
+  type = element.GetStringAttribute("type");
+  supplementaryInformation =
+      element.GetStringAttribute("supplementaryInformation");
+  optional = element.GetBoolAttribute("optional");
   description = element.GetStringAttribute("description");
   longDescription = element.GetStringAttribute("longDescription");
   codeOnly = element.GetBoolAttribute("codeOnly");
+  defaultValue = element.GetStringAttribute("defaultValue");
   name = element.GetStringAttribute("name");
 }
 

Core/GDCore/Extensions/Metadata/ParameterMetadata.h

@@ -6,13 +6,15 @@
 
 #ifndef PARAMETER_METADATA_H
 #define PARAMETER_METADATA_H
+#if defined(GD_IDE_ONLY)
 #include <map>
 #include <memory>
-
 #include "GDCore/String.h"
-#include "GDCore/Extensions/Metadata/ValueTypeMetadata.h"
-
 namespace gd {
+class Project;
+class Layout;
+class EventsCodeGenerator;
+class EventsCodeGenerationContext;
 class SerializerElement;
 }  // namespace gd
 
@@ -29,32 +31,17 @@ class GD_CORE_API ParameterMetadata {
   ParameterMetadata();
   virtual ~ParameterMetadata(){};
 
-  /**
-   * \brief Return the metadata of the parameter type.
-   */
-  gd::ValueTypeMetadata &GetValueTypeMetadata() { return valueTypeMetadata; }
-
-  /**
-   * \brief Set the metadata of the parameter type.
-   */
-  ParameterMetadata &SetValueTypeMetadata(const gd::ValueTypeMetadata &valueTypeMetadata_) {
-    valueTypeMetadata = valueTypeMetadata_;
-    return *this;
-  }
-
   /**
    * \brief Return the type of the parameter.
    * \see gd::ParameterMetadata::IsObject
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
-  const gd::String &GetType() const { return valueTypeMetadata.GetName(); }
+  const gd::String &GetType() const { return type; }
 
   /**
    * \brief Set the type of the parameter.
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
   ParameterMetadata &SetType(const gd::String &type_) {
-    valueTypeMetadata.SetName(type_);
+    type = type_;
     return *this;
   }
 
@@ -83,33 +70,29 @@ class GD_CORE_API ParameterMetadata {
    * \brief Return an optional additional information, used for some parameters
    * with special type (for example, it can contains the type of object accepted
    * by the parameter).
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
-  const gd::String &GetExtraInfo() const { return valueTypeMetadata.GetExtraInfo(); }
+  const gd::String &GetExtraInfo() const { return supplementaryInformation; }
 
   /**
    * \brief Set an optional additional information, used for some parameters
    * with special type (for example, it can contains the type of object accepted
    * by the parameter).
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
   ParameterMetadata &SetExtraInfo(const gd::String &supplementaryInformation_) {
-    valueTypeMetadata.SetExtraInfo(supplementaryInformation_);
+    supplementaryInformation = supplementaryInformation_;
     return *this;
   }
 
   /**
    * \brief Return true if the parameter is optional.
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
-  bool IsOptional() const { return valueTypeMetadata.IsOptional(); }
+  bool IsOptional() const { return optional; }
 
   /**
    * \brief Set if the parameter is optional.
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
   ParameterMetadata &SetOptional(bool optional_ = true) {
-    valueTypeMetadata.SetOptional(optional_);
+    optional = optional_;
     return *this;
   }
 
@@ -144,15 +127,13 @@ class GD_CORE_API ParameterMetadata {
   /**
    * \brief Get the default value for the parameter.
    */
-  const gd::String &GetDefaultValue() const {
-    return valueTypeMetadata.GetDefaultValue();
-  }
+  const gd::String &GetDefaultValue() const { return defaultValue; }
 
   /**
    * \brief Set the default value, if the parameter is optional.
    */
   ParameterMetadata &SetDefaultValue(const gd::String &defaultValue_) {
-    valueTypeMetadata.SetDefaultValue(defaultValue_);
+    defaultValue = defaultValue_;
     return *this;
   }
 
@@ -169,27 +150,25 @@ class GD_CORE_API ParameterMetadata {
     return *this;
   }
 
-  // TODO Remove these deprecated functions.
-
   /**
-   * \brief Return true if the type of the parameter is representing one object
-   * (or more, i.e: an object group).
+   * \brief Return true if the type of the parameter is "object", "objectPtr" or
+   * "objectList".
    *
    * \see gd::ParameterMetadata::GetType
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
   static bool IsObject(const gd::String &parameterType) {
-    return gd::ValueTypeMetadata::IsTypeObject(parameterType);
+    return parameterType == "object" || parameterType == "objectPtr" ||
+           parameterType == "objectList" ||
+           parameterType == "objectListWithoutPicking";
   }
 
   /**
    * \brief Return true if the type of the parameter is "behavior".
    *
    * \see gd::ParameterMetadata::GetType
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
   static bool IsBehavior(const gd::String &parameterType) {
-    return gd::ValueTypeMetadata::IsTypeBehavior(parameterType);
+    return parameterType == "behavior";
   }
 
   /**
@@ -198,21 +177,29 @@ class GD_CORE_API ParameterMetadata {
    * \note If you had a new type of parameter, also add it in the IDE (
    * see EventsFunctionParametersEditor, ParameterRenderingService
    * and ExpressionAutocompletion) and in the EventsCodeGenerator.
-   * \deprecated Use gd::ValueTypeMetadata instead.
    */
   static bool IsExpression(const gd::String &type,
                            const gd::String &parameterType) {
-    return gd::ValueTypeMetadata::IsTypeExpression(type, parameterType);
-  }
-
-  /**
-   * \brief Return the expression type from the parameter type.
-   * Declinations of "number" and "string" types (like "forceMultiplier" or
-   * "sceneName") are replaced by "number" and "string".
-   * \deprecated Use gd::ValueTypeMetadata instead.
-   */
-  static const gd::String &GetExpressionValueType(const gd::String &parameterType) {
-    return gd::ValueTypeMetadata::GetPrimitiveValueType(parameterType);
+    if (type == "number") {
+      return parameterType == "expression" || parameterType == "camera" ||
+             parameterType == "forceMultiplier";
+    } else if (type == "string") {
+      return parameterType == "string" || parameterType == "layer" ||
+             parameterType == "color" || parameterType == "file" ||
+             parameterType == "joyaxis" ||
+             parameterType == "stringWithSelector" ||
+             parameterType == "sceneName" ||
+             parameterType == "layerEffectName" ||
+             parameterType == "layerEffectParameterName" ||
+             parameterType == "objectEffectName" ||
+             parameterType == "objectEffectParameterName" ||
+             parameterType == "objectPointName" ||
+             parameterType == "objectAnimationName";
+    } else if (type == "variable") {
+      return parameterType == "objectvar" || parameterType == "globalvar" ||
+             parameterType == "scenevar";
+    }
+    return false;
   }
 
   /** \name Serialization
@@ -231,17 +218,22 @@ class GD_CORE_API ParameterMetadata {
 
   // TODO: Deprecated public fields. Any direct usage should be moved to
   // getter/setter.
+  gd::String type;                      ///< Parameter type
+  gd::String supplementaryInformation;  ///< Used if needed
+  bool optional;                        ///< True if the parameter is optional
 
   gd::String description;  ///< Description shown in editor
   bool codeOnly;  ///< True if parameter is relative to code generation only,
                   ///< i.e. must not be shown in editor
  private:
-  gd::ValueTypeMetadata valueTypeMetadata; ///< Parameter type
   gd::String longDescription;  ///< Long description shown in the editor.
+  gd::String defaultValue;     ///< Used as a default value in editor or if an
+                               ///< optional parameter is empty.
   gd::String name;             ///< The name of the parameter to be used in code
                                ///< generation. Optional.
 };
 
 }  // namespace gd
 
+#endif
 #endif  // PARAMETER_METADATA_H

Core/GDCore/Extensions/Metadata/ParameterMetadataTools.cpp

@@ -14,7 +14,7 @@
 
 namespace gd {
 void ParameterMetadataTools::ParametersToObjectsContainer(
-    const gd::Project& project,
+    gd::Project& project,
     const std::vector<gd::ParameterMetadata>& parameters,
     gd::ObjectsContainer& outputObjectsContainer) {
   outputObjectsContainer.GetObjects().clear();
@@ -59,13 +59,13 @@ void ParameterMetadataTools::IterateOverParameters(
     const std::vector<gd::Expression>& parameters,
     const std::vector<gd::ParameterMetadata>& parametersMetadata,
     std::function<void(const gd::ParameterMetadata& parameterMetadata,
-                       const gd::Expression& parameterValue,
+                       const gd::String& parameterValue,
                        const gd::String& lastObjectName)> fn) {
   IterateOverParametersWithIndex(
       parameters,
       parametersMetadata,
       [&fn](const gd::ParameterMetadata& parameterMetadata,
-            const gd::Expression& parameterValue,
+            const gd::String& parameterValue,
             size_t parameterIndex,
             const gd::String& lastObjectName) {
         fn(parameterMetadata, parameterValue, lastObjectName);
@@ -76,17 +76,17 @@ void ParameterMetadataTools::IterateOverParametersWithIndex(
     const std::vector<gd::Expression>& parameters,
     const std::vector<gd::ParameterMetadata>& parametersMetadata,
     std::function<void(const gd::ParameterMetadata& parameterMetadata,
-                       const gd::Expression& parameterValue,
+                       const gd::String& parameterValue,
                        size_t parameterIndex,
                        const gd::String& lastObjectName)> fn) {
   gd::String lastObjectName = "";
   for (std::size_t pNb = 0; pNb < parametersMetadata.size(); ++pNb) {
     const gd::ParameterMetadata& parameterMetadata = parametersMetadata[pNb];
-    const gd::Expression& parameterValue =
+    const gd::String& parameterValue =
         pNb < parameters.size() ? parameters[pNb].GetPlainString() : "";
-    const gd::Expression& parameterValueOrDefault =
-        parameterValue.GetPlainString().empty() && parameterMetadata.IsOptional()
-            ? Expression(parameterMetadata.GetDefaultValue())
+    const gd::String& parameterValueOrDefault =
+        parameterValue.empty() && parameterMetadata.optional
+            ? parameterMetadata.GetDefaultValue()
             : parameterValue;
 
     fn(parameterMetadata, parameterValueOrDefault, pNb, lastObjectName);
@@ -97,7 +97,7 @@ void ParameterMetadataTools::IterateOverParametersWithIndex(
     // Search "lastObjectName" in the codebase for other place where this
     // convention is enforced.
     if (gd::ParameterMetadata::IsObject(parameterMetadata.GetType()))
-      lastObjectName = parameterValueOrDefault.GetPlainString();
+      lastObjectName = parameterValueOrDefault;
   }
 }
 

Core/GDCore/Extensions/Metadata/ParameterMetadataTools.h

@@ -19,7 +19,7 @@ namespace gd {
 class GD_CORE_API ParameterMetadataTools {
  public:
   static void ParametersToObjectsContainer(
-      const gd::Project& project,
+      gd::Project& project,
       const std::vector<gd::ParameterMetadata>& parameters,
       gd::ObjectsContainer& outputObjectsContainer);
 
@@ -32,7 +32,7 @@ class GD_CORE_API ParameterMetadataTools {
       const std::vector<gd::Expression>& parameters,
       const std::vector<gd::ParameterMetadata>& parametersMetadata,
       std::function<void(const gd::ParameterMetadata& parameterMetadata,
-                         const gd::Expression& parameterValue,
+                         const gd::String& parameterValue,
                          const gd::String& lastObjectName)> fn);
 
   /**
@@ -44,7 +44,7 @@ class GD_CORE_API ParameterMetadataTools {
       const std::vector<gd::Expression>& parameters,
       const std::vector<gd::ParameterMetadata>& parametersMetadata,
       std::function<void(const gd::ParameterMetadata& parameterMetadata,
-                         const gd::Expression& parameterValue,
+                         const gd::String& parameterValue,
                          size_t parameterIndex,
                          const gd::String& lastObjectName)> fn);
 

Core/GDCore/Extensions/Metadata/ValueTypeMetadata.cpp

@@ -1,49 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-#include "ValueTypeMetadata.h"
-
-#include "GDCore/CommonTools.h"
-#include "GDCore/Serialization/SerializerElement.h"
-
-namespace gd {
-
-ValueTypeMetadata::ValueTypeMetadata() : optional(false) {}
-
-void ValueTypeMetadata::SerializeTo(SerializerElement& element) const {
-  element.SetAttribute("type", name);
-  if (!supplementaryInformation.empty()) {
-    element.SetAttribute("supplementaryInformation", supplementaryInformation);
-  }
-  if (optional) {
-    element.SetAttribute("optional", optional);
-  }
-  if (!defaultValue.empty()) {
-    element.SetAttribute("defaultValue", defaultValue);
-  }
-}
-
-void ValueTypeMetadata::UnserializeFrom(const SerializerElement& element) {
-  name = element.GetStringAttribute("type");
-  supplementaryInformation =
-      element.GetStringAttribute("supplementaryInformation");
-  optional = element.GetBoolAttribute("optional");
-  defaultValue = element.GetStringAttribute("defaultValue");
-}
-
-const gd::String ValueTypeMetadata::numberType = "number";
-const gd::String ValueTypeMetadata::stringType = "string";
-
-const gd::String &ValueTypeMetadata::GetPrimitiveValueType(const gd::String &parameterType) {
-  if (parameterType == "number" || gd::ValueTypeMetadata::IsTypeExpression("number", parameterType)) {
-    return ValueTypeMetadata::numberType;
-  }
-  if (parameterType == "string" || gd::ValueTypeMetadata::IsTypeExpression("string", parameterType)) {
-    return ValueTypeMetadata::stringType;
-  }
-  return parameterType;
-}
-
-}  // namespace gd

Core/GDCore/Extensions/Metadata/ValueTypeMetadata.h

@@ -1,219 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-
-#ifndef VALUE_TYPE_METADATA_H
-#define VALUE_TYPE_METADATA_H
-#include <map>
-#include <memory>
-
-#include "GDCore/String.h"
-namespace gd {
-class SerializerElement;
-}  // namespace gd
-
-namespace gd {
-
-/**
- * \brief Define a type for parameters of a function (action, condition or
- * expression) or the returned value of an expression.
- *
- * \see gd::EventsFunction
- * \ingroup Events
- */
-class GD_CORE_API ValueTypeMetadata {
- public:
-  ValueTypeMetadata();
-  virtual ~ValueTypeMetadata(){};
-
-  /**
-   * \brief Return the string representation of the type.
-   */
-  const gd::String &GetName() const { return name; }
-
-  /**
-   * \brief Set the string representation of the type.
-   */
-  ValueTypeMetadata &SetName(const gd::String &name_) {
-    name = name_;
-    return *this;
-  }
-
-  /**
-   * \brief Return an optional additional information, used for some parameters
-   * with special type (for example, it can contains the type of object accepted
-   * by the parameter).
-   */
-  const gd::String &GetExtraInfo() const { return supplementaryInformation; }
-
-  /**
-   * \brief Set an optional additional information, used for some parameters
-   * with special type (for example, it can contains the type of object accepted
-   * by the parameter).
-   */
-  ValueTypeMetadata &SetExtraInfo(const gd::String &supplementaryInformation_) {
-    supplementaryInformation = supplementaryInformation_;
-    return *this;
-  }
-
-  /**
-   * \brief Return true if the parameter is optional.
-   */
-  bool IsOptional() const { return optional; }
-
-  /**
-   * \brief Set if the parameter is optional.
-   */
-  ValueTypeMetadata &SetOptional(bool optional_ = true) {
-    optional = optional_;
-    return *this;
-  }
-
-  /**
-   * \brief Get the default value for the parameter.
-   */
-  const gd::String &GetDefaultValue() const { return defaultValue; }
-
-  /**
-   * \brief Set the default value, if the parameter is optional.
-   */
-  ValueTypeMetadata &SetDefaultValue(const gd::String &defaultValue_) {
-    defaultValue = defaultValue_;
-    return *this;
-  }
-
-  /**
-   * \brief Return true if the type is defined.
-   */
-  bool IsDefined() const {
-    return !name.empty();
-  }
-
-  /**
-   * \brief Return true if the type is representing one object
-   * (or more, i.e: an object group).
-   */
-  bool IsObject() const {
-    return gd::ValueTypeMetadata::IsTypeObject(name);
-  }
-
-  /**
-   * \brief Return true if the type is "behavior".
-   */
-  bool IsBehavior() const {
-    return gd::ValueTypeMetadata::IsTypeBehavior(name);
-  }
-
-  /**
-   * \brief Return true if the type is an expression of the
-   * given type.
-   */
-  bool IsNumber() const {
-    return gd::ValueTypeMetadata::IsTypeExpression("number", name);
-  }
-
-  /**
-   * \brief Return true if the type is a string.
-   */
-  bool IsString() const {
-    return gd::ValueTypeMetadata::IsTypeExpression("string", name);
-  }
-
-  /**
-   * \brief Return true if the type of the parameter is a number.
-   * \note If you had a new type of parameter, also add it in the IDE (
-   * see EventsFunctionParametersEditor, ParameterRenderingService
-   * and ExpressionAutocompletion) and in the EventsCodeGenerator.
-   */
-  bool IsVariable() const {
-    return gd::ValueTypeMetadata::IsTypeExpression("variable", name);
-  }
-
-  /**
-   * \brief Return true if the type is representing one object
-   * (or more, i.e: an object group).
-   */
-  static bool IsTypeObject(const gd::String &parameterType) {
-    return parameterType == "object" || parameterType == "objectPtr" ||
-           parameterType == "objectList" ||
-           parameterType == "objectListOrEmptyIfJustDeclared" ||
-           parameterType == "objectListOrEmptyWithoutPicking";
-  }
-
-  /**
-   * \brief Return true if the type is "behavior".
-   */
-  static bool IsTypeBehavior(const gd::String &parameterType) {
-    return parameterType == "behavior";
-  }
-
-  /**
-   * \brief Return true if the type is an expression of the given type.
-   * \note If you are adding a new type of parameter, also add it in the IDE (
-   * see EventsFunctionParametersEditor, ParameterRenderingService
-   * and ExpressionAutocompletion) and in the EventsCodeGenerator.
-   */
-  static bool IsTypeExpression(const gd::String &type,
-                           const gd::String &parameterType) {
-    if (type == "number") {
-      return parameterType == "number" || parameterType == "expression" ||
-             parameterType == "camera" || parameterType == "forceMultiplier";
-    } else if (type == "string") {
-      return parameterType == "string" || parameterType == "layer" ||
-             parameterType == "color" || parameterType == "file" ||
-             parameterType == "joyaxis" ||
-             parameterType == "stringWithSelector" ||
-             parameterType == "sceneName" ||
-             parameterType == "layerEffectName" ||
-             parameterType == "layerEffectParameterName" ||
-             parameterType == "objectEffectName" ||
-             parameterType == "objectEffectParameterName" ||
-             parameterType == "objectPointName" ||
-             parameterType == "objectAnimationName" ||
-             parameterType == "functionParameterName" ||
-             parameterType == "externalLayoutName" ||
-             parameterType == "leaderboardId" ||
-             parameterType == "identifier";
-    } else if (type == "variable") {
-      return parameterType == "objectvar" || parameterType == "globalvar" ||
-             parameterType == "scenevar";
-    }
-    return false;
-  }
-
-  /**
-   * \brief Return the expression type from the parameter type.
-   * Declinations of "number" and "string" types (like "forceMultiplier" or
-   * "sceneName") are replaced by "number" and "string".
-   */
-  static const gd::String &GetPrimitiveValueType(const gd::String &parameterType);
-  static const gd::String numberType;
-  static const gd::String stringType;
-
-  /** \name Serialization
-   */
-  ///@{
-  /**
-   * \brief Serialize the ParameterMetadata to the specified element
-   */
-  void SerializeTo(gd::SerializerElement &element) const;
-
-  /**
-   * \brief Load the ParameterMetadata from the specified element
-   */
-  void UnserializeFrom(const gd::SerializerElement &element);
-  ///@}
-
- private:
-  gd::String name;                      ///< Parameter type
-  gd::String supplementaryInformation;  ///< Used if needed
-  bool optional;                        ///< True if the parameter is optional
-  gd::String defaultValue;     ///< Used as a default value in editor or if an
-                               ///< optional parameter is empty.
-};
-
-}  // namespace gd
-
-#endif  // VALUE_TYPE_METADATA_H

Core/GDCore/Extensions/Platform.cpp

@@ -4,12 +4,9 @@
  * reserved. This project is released under the MIT License.
  */
 #include "Platform.h"
-
 #include "GDCore/Extensions/PlatformExtension.h"
 #include "GDCore/Project/Object.h"
-#include "GDCore/Project/ObjectConfiguration.h"
 #include "GDCore/String.h"
-#include "GDCore/Tools/Log.h"
 
 using namespace std;
 
@@ -17,21 +14,16 @@ using namespace std;
 
 namespace gd {
 
-InstructionOrExpressionGroupMetadata
-    Platform::badInstructionOrExpressionGroupMetadata;
-
-Platform::Platform() : enableExtensionLoadingLogs(false) {}
+Platform::Platform(): enableExtensionLoadingLogs(false) {}
 
 Platform::~Platform() {}
 
 bool Platform::AddExtension(std::shared_ptr<gd::PlatformExtension> extension) {
   if (!extension) return false;
 
-  if (enableExtensionLoadingLogs)
-    std::cout << "Loading " << extension->GetName() << "...";
+  if (enableExtensionLoadingLogs) std::cout << "Loading " << extension->GetName() << "...";
   if (IsExtensionLoaded(extension->GetName())) {
-    if (enableExtensionLoadingLogs)
-      std::cout << " (replacing existing extension)";
+    if (enableExtensionLoadingLogs) std::cout << " (replacing existing extension)";
     RemoveExtension(extension->GetName());
   }
   if (enableExtensionLoadingLogs) std::cout << std::endl;
@@ -46,11 +38,6 @@ bool Platform::AddExtension(std::shared_ptr<gd::PlatformExtension> extension) {
         extension->GetObjectCreationFunctionPtr(objectsTypes[i]);
   }
 
-  for (const auto& it :
-       extension->GetAllInstructionOrExpressionGroupMetadata()) {
-    instructionOrExpressionGroupMetadata[it.first] = it.second;
-  }
-
   return true;
 }
 
@@ -93,22 +80,24 @@ std::shared_ptr<gd::PlatformExtension> Platform::GetExtension(
   return std::shared_ptr<gd::PlatformExtension>();
 }
 
-std::unique_ptr<gd::ObjectConfiguration> Platform::CreateObjectConfiguration(
-    gd::String type) const {
+std::unique_ptr<gd::Object> Platform::CreateObject(
+    gd::String type, const gd::String& name) const {
   if (creationFunctionTable.find(type) == creationFunctionTable.end()) {
-    gd::LogWarning("Tried to create an object with an unknown type: " + type
-              + " for platform " + GetName() + "!");
+    std::cout << "Tried to create an object with an unknown type: " << type
+              << " for platform " << GetName() << "!" << std::endl;
     type = "";
     if (creationFunctionTable.find("") == creationFunctionTable.end()) {
-      gd::LogError("Unable to create a Base object!");
+      std::cout << "Unable to create a Base object!" << std::endl;
       return nullptr;
     }
   }
 
   // Create a new object with the type we want.
-  auto objectConfiguration = (creationFunctionTable.find(type)->second)();
-  objectConfiguration->SetType(type);
-  return objectConfiguration;
+  std::unique_ptr<gd::Object> object =
+      (creationFunctionTable.find(type)->second)(name);
+  object->SetType(type);
+
+  return std::unique_ptr<gd::Object>(std::move(object));
 }
 
 #if defined(GD_IDE_ONLY)

Core/GDCore/Extensions/Platform.h

@@ -9,14 +9,12 @@
 #include <map>
 #include <memory>
 #include <vector>
-
-#include "GDCore/Extensions/Metadata/InstructionOrExpressionGroupMetadata.h"
 #include "GDCore/String.h"
+
 namespace gd {
 class InstructionsMetadataHolder;
 class Project;
 class Object;
-class ObjectConfiguration;
 class Behavior;
 class BehaviorMetadata;
 class ObjectMetadata;
@@ -27,7 +25,7 @@ class LayoutEditorCanvas;
 class ProjectExporter;
 }  // namespace gd
 
-typedef std::function<std::unique_ptr<gd::ObjectConfiguration>()>
+typedef std::function<std::unique_ptr<gd::Object>(gd::String name)>
     CreateFunPtr;
 
 #undef CreateEvent
@@ -54,6 +52,7 @@ class GD_CORE_API Platform {
    */
   virtual gd::String GetFullName() const { return "Unnamed platform"; }
 
+#if defined(GD_IDE_ONLY)
   /**
    * \brief Must return a text describing the platform in a few words.
    */
@@ -68,6 +67,7 @@ class GD_CORE_API Platform {
    * \brief Must return a filename to a 32*32 image file for the platform.
    */
   virtual gd::String GetIcon() const { return ""; }
+#endif
 
   /** \name Extensions management
    * Member functions used to manage the extensions
@@ -123,19 +123,6 @@ class GD_CORE_API Platform {
    * anymore.
    */
   virtual void RemoveExtension(const gd::String& name);
-
-  /**
-   * \brief Get the metadata (icon, etc...) of a group used for instructions or
-   * expressions.
-   */
-  const InstructionOrExpressionGroupMetadata& GetInstructionOrExpressionGroupMetadata(
-      const gd::String& name) const {
-    auto it = instructionOrExpressionGroupMetadata.find(name);
-    if (it == instructionOrExpressionGroupMetadata.end())
-      return badInstructionOrExpressionGroupMetadata;
-
-    return it->second;
-  }
   ///@}
 
   /** \name Factory method
@@ -147,9 +134,10 @@ class GD_CORE_API Platform {
   /**
    * \brief Create an object of given type with the specified name.
    */
-  std::unique_ptr<gd::ObjectConfiguration> CreateObjectConfiguration(
-      gd::String type) const;
+  std::unique_ptr<gd::Object> CreateObject(gd::String type,
+                                           const gd::String& name) const;
 
+#if defined(GD_IDE_ONLY)
   /**
    * \brief Create an event of given type
    */
@@ -161,18 +149,28 @@ class GD_CORE_API Platform {
    * \brief Activate or disable the logs on the standard output when
    * loading an extension.
    */
-  void EnableExtensionLoadingLogs(bool enable) {
-    enableExtensionLoadingLogs = enable;
-  };
+  void EnableExtensionLoadingLogs(bool enable) { enableExtensionLoadingLogs = enable; };
+
+  /**
+   * \brief Called when the IDE is about to shut down: Take this opportunity for
+   * erasing for example any temporary file.
+   * @deprecated This should be removed.
+   */
+  virtual void OnIDEClosed(){};
+
+  /**
+   * \brief Called when the IDE is initialized and ready to be used.
+   * @deprecated This should be removed.
+   */
+  virtual void OnIDEInitialized(){};
+
+#endif
 
  private:
   std::vector<std::shared_ptr<PlatformExtension>>
       extensionsLoaded;  ///< Extensions of the platform
   std::map<gd::String, CreateFunPtr>
       creationFunctionTable;  ///< Creation functions for objects
-  std::map<gd::String, InstructionOrExpressionGroupMetadata>
-      instructionOrExpressionGroupMetadata;
-  static InstructionOrExpressionGroupMetadata badInstructionOrExpressionGroupMetadata;
   bool enableExtensionLoadingLogs;
 };
 

Core/GDCore/Extensions/PlatformExtension.cpp

@@ -18,7 +18,6 @@
 #include "GDCore/Extensions/Platform.h"
 #include "GDCore/IDE/PlatformManager.h"
 #include "GDCore/Project/Behavior.h"
-#include "GDCore/Project/ObjectConfiguration.h"
 #include "GDCore/Project/BehaviorsSharedData.h"
 #include "GDCore/Tools/Localization.h"
 
@@ -166,40 +165,6 @@ PlatformExtension::AddExpressionAndConditionAndAction(
     const gd::String& sentenceName,
     const gd::String& group,
     const gd::String& icon) {
-  if (type != "number" && type != "string" && type != "boolean") {
-    gd::LogError(
-        "Unrecognised type passed to AddExpressionAndConditionAndAction: " +
-        type + ". Verify this type is valid and supported.");
-  }
-
-  gd::String conditionDescriptionTemplate =
-      type == "boolean" ? _("Check if <subject>.") : _("Compare <subject>.");
-  auto& condition = AddCondition(name,
-                                 fullname,
-                                 conditionDescriptionTemplate.FindAndReplace(
-                                     "<subject>", descriptionSubject),
-                                 sentenceName,
-                                 group,
-                                 icon,
-                                 icon);
-
-  gd::String actionDescriptionTemplate = type == "boolean"
-                                             ? _("Set (or unset) if <subject>.")
-                                             : _("Change <subject>.");
-  auto& action = AddAction(
-      "Set" + name,
-      fullname,
-      actionDescriptionTemplate.FindAndReplace("<subject>", descriptionSubject),
-      sentenceName,
-      group,
-      icon,
-      icon);
-
-  if (type == "boolean") {
-    return MultipleInstructionMetadata::WithConditionAndAction(condition,
-                                                               action);
-  }
-
   gd::String expressionDescriptionTemplate = _("Return <subject>.");
   auto& expression =
       type == "number"
@@ -210,11 +175,32 @@ PlatformExtension::AddExpressionAndConditionAndAction(
                           group,
                           icon)
           : AddStrExpression(name,
-                              fullname,
-                              expressionDescriptionTemplate.FindAndReplace(
-                                  "<subject>", descriptionSubject),
-                              group,
-                              icon);
+                             fullname,
+                             expressionDescriptionTemplate.FindAndReplace(
+                                 "<subject>", descriptionSubject),
+                             group,
+                             icon);
+
+  gd::String conditionDescriptionTemplate = _("Compare <subject>.");
+  auto& condition = AddCondition(name,
+                                 fullname,
+                                 conditionDescriptionTemplate.FindAndReplace(
+                                     "<subject>", descriptionSubject),
+                                 sentenceName,
+                                 group,
+                                 icon,
+                                 icon);
+
+  // TODO: update the checks
+  gd::String actionDescriptionTemplate = _("Change <subject>.");
+  auto& action = AddAction(
+      "Set" + name,
+      fullname,
+      actionDescriptionTemplate.FindAndReplace("<subject>", descriptionSubject),
+      sentenceName,
+      group,
+      icon,
+      icon);
 
   return MultipleInstructionMetadata::WithExpressionAndConditionAndAction(
       expression, condition, action);
@@ -232,7 +218,7 @@ gd::ObjectMetadata& PlatformExtension::AddObject(
     const gd::String& fullname,
     const gd::String& description,
     const gd::String& icon24x24,
-    std::shared_ptr<gd::ObjectConfiguration> instance) {
+    std::shared_ptr<gd::Object> instance) {
   gd::String nameWithNamespace = GetNameSpace() + name;
   objectsInfos[nameWithNamespace] = ObjectMetadata(GetNameSpace(),
                                                    nameWithNamespace,
@@ -245,21 +231,6 @@ gd::ObjectMetadata& PlatformExtension::AddObject(
   return objectsInfos[nameWithNamespace];
 }
 
-gd::ObjectMetadata& PlatformExtension::AddEventsBasedObject(
-    const gd::String& name,
-    const gd::String& fullname,
-    const gd::String& description,
-    const gd::String& icon24x24) {
-  gd::String nameWithNamespace = GetNameSpace() + name;
-  objectsInfos[nameWithNamespace] = ObjectMetadata(GetNameSpace(),
-                                                   nameWithNamespace,
-                                                   fullname,
-                                                   description,
-                                                   icon24x24)
-                                        .SetHelpPath(GetHelpPath());
-  return objectsInfos[nameWithNamespace];
-}
-
 gd::BehaviorMetadata& PlatformExtension::AddBehavior(
     const gd::String& name,
     const gd::String& fullname,
@@ -285,25 +256,6 @@ gd::BehaviorMetadata& PlatformExtension::AddBehavior(
   return behaviorsInfo[nameWithNamespace];
 }
 
-gd::BehaviorMetadata& PlatformExtension::AddEventsBasedBehavior(
-    const gd::String& name,
-    const gd::String& fullname,
-    const gd::String& description,
-    const gd::String& group,
-    const gd::String& icon24x24) {
-  gd::String nameWithNamespace = GetNameSpace() + name;
-  behaviorsInfo[nameWithNamespace] = BehaviorMetadata(GetNameSpace(),
-                                                      nameWithNamespace,
-                                                      fullname,
-                                                      // Default name is the name
-                                                      name,
-                                                      description,
-                                                      group,
-                                                      icon24x24)
-                                         .SetHelpPath(GetHelpPath());
-  return behaviorsInfo[nameWithNamespace];
-}
-
 gd::EffectMetadata& PlatformExtension::AddEffect(const gd::String& name) {
   gd::String nameWithNamespace = GetNameSpace() + name;
   effectsMetadata[nameWithNamespace] = EffectMetadata(nameWithNamespace);
@@ -381,11 +333,6 @@ gd::BehaviorMetadata& PlatformExtension::GetBehaviorMetadata(
   return badBehaviorMetadata;
 }
 
-bool PlatformExtension::HasBehavior(
-    const gd::String& behaviorType) const {
-  return behaviorsInfo.find(behaviorType) != behaviorsInfo.end();
-}
-
 gd::EffectMetadata& PlatformExtension::GetEffectMetadata(
     const gd::String& effectName) {
   if (effectsMetadata.find(effectName) != effectsMetadata.end())
@@ -415,7 +362,7 @@ gd::InstructionMetadata& PlatformExtension::AddDuplicatedAction(
 
   auto copiedAction = actionsInfos.find(copiedNameWithNamespace);
   if (copiedAction == actionsInfos.end()) {
-    gd::LogError("Could not find an action with name " +
+    gd::LogWarning("Could not find an action with name " +
                    copiedNameWithNamespace + " to copy.");
   } else {
     actionsInfos[newNameWithNamespace] = copiedAction->second;
@@ -425,17 +372,13 @@ gd::InstructionMetadata& PlatformExtension::AddDuplicatedAction(
 }
 
 gd::InstructionMetadata& PlatformExtension::AddDuplicatedCondition(
-    const gd::String& newConditionName,
-    const gd::String& copiedConditionName,
-    gd::DuplicatedInstructionOptions options) {
-  gd::String newNameWithNamespace =
-      (options.unscoped ? "" : GetNameSpace()) + newConditionName;
-  gd::String copiedNameWithNamespace =
-      (options.unscoped ? "" : GetNameSpace()) + copiedConditionName;
+    const gd::String& newConditionName, const gd::String& copiedConditionName) {
+  gd::String newNameWithNamespace = GetNameSpace() + newConditionName;
+  gd::String copiedNameWithNamespace = GetNameSpace() + copiedConditionName;
 
   auto copiedCondition = conditionsInfos.find(copiedNameWithNamespace);
   if (copiedCondition == conditionsInfos.end()) {
-    gd::LogError("Could not find a condition with name " +
+    gd::LogWarning("Could not find a condition with name " +
                    copiedNameWithNamespace + " to copy.");
   } else {
     conditionsInfos[newNameWithNamespace] = copiedCondition->second;
@@ -452,7 +395,7 @@ gd::ExpressionMetadata& PlatformExtension::AddDuplicatedExpression(
 
   auto copiedExpression = expressionsInfos.find(copiedNameWithNamespace);
   if (copiedExpression == expressionsInfos.end()) {
-    gd::LogError("Could not find an expression with name " +
+    gd::LogWarning("Could not find an expression with name " +
                    copiedNameWithNamespace + " to copy.");
   } else {
     expressionsInfos[newNameWithNamespace] = copiedExpression->second;
@@ -469,7 +412,7 @@ gd::ExpressionMetadata& PlatformExtension::AddDuplicatedStrExpression(
 
   auto copiedExpression = strExpressionsInfos.find(copiedNameWithNamespace);
   if (copiedExpression == strExpressionsInfos.end()) {
-    gd::LogError("Could not find a string expression with name " +
+    gd::LogWarning("Could not find a string expression with name " +
                    copiedNameWithNamespace + " to copy.");
   } else {
     strExpressionsInfos[newNameWithNamespace] = copiedExpression->second;
@@ -569,8 +512,7 @@ PlatformExtension::GetAllStrExpressionsForBehavior(gd::String autoType) {
   return badExpressionsMetadata;
 }
 
-gd::BaseEventSPtr PlatformExtension::CreateEvent(
-    const gd::String& eventType) const {
+gd::BaseEventSPtr PlatformExtension::CreateEvent(const gd::String& eventType) const {
   if (eventsInfos.find(eventType) != eventsInfos.end()) {
     if (eventsInfos.find(eventType)->second.instance ==
         std::shared_ptr<BaseEvent>()) {
@@ -812,8 +754,7 @@ void PlatformExtension::StripUnimplementedInstructionsAndExpressions() {
 }
 #endif
 
-PlatformExtension::PlatformExtension()
-    : deprecated(false), category(_("General")) {}
+PlatformExtension::PlatformExtension() : deprecated(false) {}
 
 PlatformExtension::~PlatformExtension() {}
 

Core/GDCore/Extensions/PlatformExtension.h

@@ -5,7 +5,8 @@
  * project is released under the MIT License.
  */
 
-#pragma once
+#ifndef GDCORE_PLATFORMEXTENSION_H
+#define GDCORE_PLATFORMEXTENSION_H
 #include <map>
 #include <memory>
 #include <vector>
@@ -15,7 +16,6 @@
 #include "GDCore/Extensions/Metadata/DependencyMetadata.h"
 #include "GDCore/Extensions/Metadata/EffectMetadata.h"
 #include "GDCore/Extensions/Metadata/EventMetadata.h"
-#include "GDCore/Extensions/Metadata/InstructionOrExpressionGroupMetadata.h"
 #include "GDCore/Extensions/Metadata/ObjectMetadata.h"
 #include "GDCore/Project/PropertyDescriptor.h"
 #include "GDCore/String.h"
@@ -37,10 +37,9 @@ class ArbitraryResourceWorker;
 class BehaviorsSharedData;
 class Behavior;
 class Object;
-class ObjectConfiguration;
 }  // namespace gd
 
-typedef std::function<std::unique_ptr<gd::ObjectConfiguration>()>
+typedef std::function<std::unique_ptr<gd::Object>(gd::String name)>
     CreateFunPtr;
 
 namespace gd {
@@ -72,10 +71,6 @@ class GD_CORE_API CompilationInfo {
   int sizeOfpInt;
 };
 
-struct GD_CORE_API DuplicatedInstructionOptions {
-  bool unscoped;
-};
-
 /**
  * \brief Base class for implementing platform's extensions.
  *
@@ -110,18 +105,10 @@ class GD_CORE_API PlatformExtension {
     return *this;
   }
 
-  /**
-   * \brief Set the category of the extension.
-   */
-  PlatformExtension& SetCategory(const gd::String& category_) {
-    category = category_;
-    return *this;
-  }
-
   /**
    * \brief Set the path to the help, relative to the GDevelop documentation
    * root. For example, "/all-features/collisions" for
-   * "https://wiki.gdevelop.io/gdevelop5/all-features/collisions".
+   * "http://wiki.compilgames.net/doku.php/gdevelop5/all-features/collisions".
    *
    * The instructions, objects and behaviors will have this help path set by
    * default, unless you call SetHelpPath on them.
@@ -243,21 +230,7 @@ class GD_CORE_API PlatformExtension {
                                 const gd::String& fullname_,
                                 const gd::String& description_,
                                 const gd::String& icon_,
-                                std::shared_ptr<gd::ObjectConfiguration> instance);
-
-  /**
-   * \brief Declare a new events based object as being part of the extension.
-   *
-   * \param name The name of the object
-   * \param fullname The user friendly name of the object
-   * \param description The user friendly description of the object
-   * \param icon The icon of the object.
-   */
-  gd::ObjectMetadata& AddEventsBasedObject(
-      const gd::String& name_,
-      const gd::String& fullname_,
-      const gd::String& description_,
-      const gd::String& icon_);
+                                std::shared_ptr<gd::Object> instance);
 
   /**
    * \brief Declare a new behavior as being part of the extension.
@@ -282,21 +255,6 @@ class GD_CORE_API PlatformExtension {
       std::shared_ptr<gd::Behavior> instance,
       std::shared_ptr<gd::BehaviorsSharedData> sharedDatasInstance);
 
-  /**
-   * \brief Declare a new events based behavior as being part of the extension.
-   *
-   * \param name The name of the behavior
-   * \param fullname The user friendly name of the behavior
-   * \param description The user friendly description of the behavior
-   * \param icon The icon of the behavior.
-   */
-  gd::BehaviorMetadata& AddEventsBasedBehavior(
-      const gd::String& name_,
-      const gd::String& fullname_,
-      const gd::String& description_,
-      const gd::String& group_,
-      const gd::String& icon_);
-
   /**
    * \brief Declare a new effect as being part of the extension.
    * \param name The internal name of the effect (also called effect type).
@@ -313,6 +271,7 @@ class GD_CORE_API PlatformExtension {
                               const gd::String& smallicon_,
                               std::shared_ptr<gd::BaseEvent> instance);
 
+#if defined(GD_IDE_ONLY)
   /**
    * \brief Create a new action which is the duplicate of the specified one.
    *
@@ -329,8 +288,7 @@ class GD_CORE_API PlatformExtension {
    */
   gd::InstructionMetadata& AddDuplicatedCondition(
       const gd::String& newConditionName,
-      const gd::String& copiedConditionName,
-      gd::DuplicatedInstructionOptions options = {.unscoped = false});
+      const gd::String& copiedConditionName);
   /**
    * \brief Create a new expression which is the duplicate of the specified one.
    *
@@ -357,15 +315,7 @@ class GD_CORE_API PlatformExtension {
   gd::PropertyDescriptor& RegisterProperty(const gd::String& name) {
     return extensionPropertiesMetadata[name];
   };
-
-  /**
-   * \brief Add some metadata (icon, etc...) for a group used for instructions
-   * or expressions.
-   */
-  InstructionOrExpressionGroupMetadata& AddInstructionOrExpressionGroupMetadata(
-      const gd::String& name) {
-    return instructionOrExpressionGroupMetadata[name];
-  }
+#endif
 
   /**
    * \brief Delete all instructions having no function name or custom code
@@ -389,11 +339,6 @@ class GD_CORE_API PlatformExtension {
    */
   const gd::String& GetName() const { return name; }
 
-  /**
-   * \brief Return the category of the extension
-   */
-  const gd::String& GetCategory() const { return category; }
-
   /**
    * \brief Return a description of the extension
    */
@@ -497,12 +442,6 @@ class GD_CORE_API PlatformExtension {
    */
   BehaviorMetadata& GetBehaviorMetadata(const gd::String& behaviorType);
 
-  /**
-   * \brief Return true if the extension contains a behavior associated to \a
-   * behaviorType
-   */
-  bool HasBehavior(const gd::String& behaviorType) const;
-
   /**
    * \brief Return the metadata for the effect with the given name.
    */
@@ -513,6 +452,7 @@ class GD_CORE_API PlatformExtension {
    */
   std::map<gd::String, gd::EventMetadata>& GetAllEvents();
 
+#if defined(GD_IDE_ONLY)
   /**
    * \brief Return a reference to a map containing the names of the actions
    * (as keys) and the metadata associated with (as values).
@@ -597,16 +537,8 @@ class GD_CORE_API PlatformExtension {
   std::map<gd::String, gd::PropertyDescriptor>& GetAllProperties() {
     return extensionPropertiesMetadata;
   }
-
-  /**
-   * \brief Get the metadata (icon, etc...) for groups used for instructions
-   * or expressions.
-   */
-  const std::map<gd::String, InstructionOrExpressionGroupMetadata>&
-  GetAllInstructionOrExpressionGroupMetadata() const {
-    return instructionOrExpressionGroupMetadata;
-  }
   ///@}
+#endif
 
   /**
    * \brief Return the name of all the extensions which are considered provided
@@ -634,7 +566,6 @@ class GD_CORE_API PlatformExtension {
                   ///< actions/conditions/expressions/objects/behavior/event.
   gd::String fullname;      ///< Name displayed to users in the editor.
   gd::String informations;  ///< Description displayed to users in the editor.
-  gd::String category;
   gd::String author;        ///< Author displayed to users in the editor.
   gd::String license;       ///< License name displayed to users in the editor.
   bool deprecated;  ///< true if the extension is deprecated and shouldn't be
@@ -646,6 +577,7 @@ class GD_CORE_API PlatformExtension {
   std::map<gd::String, gd::ObjectMetadata> objectsInfos;
   std::map<gd::String, gd::BehaviorMetadata> behaviorsInfo;
   std::map<gd::String, gd::EffectMetadata> effectsMetadata;
+#if defined(GD_IDE_ONLY)
   std::map<gd::String, gd::InstructionMetadata> conditionsInfos;
   std::map<gd::String, gd::InstructionMetadata> actionsInfos;
   std::map<gd::String, gd::ExpressionMetadata> expressionsInfos;
@@ -653,12 +585,12 @@ class GD_CORE_API PlatformExtension {
   std::vector<gd::DependencyMetadata> extensionDependenciesMetadata;
   std::map<gd::String, gd::EventMetadata> eventsInfos;
   std::map<gd::String, gd::PropertyDescriptor> extensionPropertiesMetadata;
-  std::map<gd::String, InstructionOrExpressionGroupMetadata>
-      instructionOrExpressionGroupMetadata;
+#endif
 
   ObjectMetadata badObjectMetadata;
   BehaviorMetadata badBehaviorMetadata;
   EffectMetadata badEffectMetadata;
+#if defined(GD_IDE_ONLY)
   static std::map<gd::String, gd::InstructionMetadata>
       badConditionsMetadata;  ///< Used when a condition is not found in the
                               ///< extension
@@ -668,10 +600,12 @@ class GD_CORE_API PlatformExtension {
   static std::map<gd::String, gd::ExpressionMetadata>
       badExpressionsMetadata;  ///< Used when an expression is not found in the
                                ///< extension
+#endif
 };
 
 }  // namespace gd
 
+#if defined(GD_IDE_ONLY)
 /** \brief Macro used by extensions in their constructor to declare how they
  * have been compiled. \see gd::CompilationInfo
  */
@@ -685,5 +619,23 @@ class GD_CORE_API PlatformExtension {
   compilationInfo.gccMinorVersion = __GNUC_MINOR__;     \
   compilationInfo.gccPatchLevel = __GNUC_PATCHLEVEL__;  \
   compilationInfo.informationCompleted = true;
+#else
+/** \brief Macro used by extensions in their constructor to declare how they
+ * have been compiled. \see gd::CompilationInfo
+ */
+#define GD_COMPLETE_EXTENSION_COMPILATION_INFORMATION() \
+  compilationInfo.runtimeOnly = true;                   \
+  compilationInfo.sfmlMajorVersion = 2;                 \
+  compilationInfo.sfmlMinorVersion = 0;                 \
+  compilationInfo.gdCoreVersion = GD_VERSION_STRING;    \
+  compilationInfo.sizeOfpInt = sizeof(int*);            \
+  compilationInfo.gccMajorVersion = __GNUC__;           \
+  compilationInfo.gccMinorVersion = __GNUC_MINOR__;     \
+  compilationInfo.gccPatchLevel = __GNUC_PATCHLEVEL__;  \
+  compilationInfo.informationCompleted = true;
+
+#endif
 
 #include "GDCore/Extensions/PlatformExtension.inl"
+
+#endif  // GDCORE_PLATFORMEXTENSION_H

Core/GDCore/Extensions/PlatformExtension.inl

@@ -25,8 +25,8 @@ gd::ObjectMetadata& PlatformExtension::AddObject(const gd::String& name,
                      fullname,
                      description,
                      icon24x24,
-                     []() -> std::unique_ptr<gd::ObjectConfiguration> {
-                       return gd::make_unique<T>();
+                     [](gd::String name) -> std::unique_ptr<gd::Object> {
+                       return gd::make_unique<T>(name);
                      })
           .SetHelpPath(GetHelpPath());
 

Core/GDCore/IDE/Events/ArbitraryEventsWorker.cpp

@@ -73,54 +73,4 @@ bool ArbitraryEventsWorker::VisitInstruction(gd::Instruction& instruction,
 
 ArbitraryEventsWorkerWithContext::~ArbitraryEventsWorkerWithContext() {}
 
-
-ReadOnlyArbitraryEventsWorker::~ReadOnlyArbitraryEventsWorker() {}
-
-void ReadOnlyArbitraryEventsWorker::VisitEventList(const gd::EventsList& events) {
-  DoVisitEventList(events);
-
-  for (std::size_t i = 0; i < events.size(); ++i) {
-    VisitEvent(events[i]);
-
-    if (events[i].CanHaveSubEvents()) {
-      VisitEventList(events[i].GetSubEvents());
-    }
-  }
-}
-
-void ReadOnlyArbitraryEventsWorker::VisitEvent(const gd::BaseEvent& event) {
-  DoVisitEvent(event);
-
-  const vector<const gd::InstructionsList*> conditionsVectors =
-      event.GetAllConditionsVectors();
-  for (std::size_t j = 0; j < conditionsVectors.size(); ++j) {
-    VisitInstructionList(*conditionsVectors[j], true);
-  }
-
-  const vector<const gd::InstructionsList*> actionsVectors = event.GetAllActionsVectors();
-  for (std::size_t j = 0; j < actionsVectors.size(); ++j) {
-    VisitInstructionList(*actionsVectors[j], false);
-  }
-}
-
-void ReadOnlyArbitraryEventsWorker::VisitInstructionList(
-    const gd::InstructionsList& instructions, bool areConditions) {
-  DoVisitInstructionList(instructions, areConditions);
-
-  for (std::size_t i = 0; i < instructions.size(); ++i) {
-    VisitInstruction(instructions[i], areConditions);
-    if (!instructions[i].GetSubInstructions().empty()) {
-      VisitInstructionList(instructions[i].GetSubInstructions(),
-                            areConditions);
-    }
-  }
-}
-
-void ReadOnlyArbitraryEventsWorker::VisitInstruction(const gd::Instruction& instruction,
-                                             bool isCondition) {
-  DoVisitInstruction(instruction, isCondition);
-}
-
-ReadOnlyArbitraryEventsWorkerWithContext::~ReadOnlyArbitraryEventsWorkerWithContext() {}
-
 }  // namespace gd

Core/GDCore/IDE/Events/ArbitraryEventsWorker.h

@@ -121,101 +121,6 @@ class GD_CORE_API ArbitraryEventsWorkerWithContext
   const gd::ObjectsContainer* currentObjectsContainer;
 };
 
-/**
- * \brief ReadOnlyArbitraryEventsWorker is an abstract class used to browse events (and
- * instructions). It can be used to implement autocompletion for example.
- *
- * \see gd::ReadOnlyArbitraryEventsWorkerWithContext
- *
- * \ingroup IDE
- */
-class GD_CORE_API ReadOnlyArbitraryEventsWorker {
- public:
-  ReadOnlyArbitraryEventsWorker(){};
-  virtual ~ReadOnlyArbitraryEventsWorker();
-
-  /**
-   * \brief Launch the worker on the specified events list.
-   */
-  void Launch(const gd::EventsList& events) { VisitEventList(events); };
-
- private:
-  void VisitEventList(const gd::EventsList& events);
-  void VisitEvent(const gd::BaseEvent& event);
-  void VisitInstructionList(const gd::InstructionsList& instructions,
-                            bool areConditions);
-  void VisitInstruction(const gd::Instruction& instruction, bool isCondition);
-
-  /**
-   * Called to do some work on an event list.
-   */
-  virtual void DoVisitEventList(const gd::EventsList& events){};
-
-  /**
-   * Called to do some work on an event
-   */
-  virtual void DoVisitEvent(const gd::BaseEvent& event) {};
-
-  /**
-   * Called to do some work on an instruction list
-   */
-  virtual void DoVisitInstructionList(const gd::InstructionsList& instructions,
-                                      bool areConditions){};
-
-  /**
-   * Called to do some work on an instruction.
-   */
-  virtual void DoVisitInstruction(const gd::Instruction& instruction,
-                                  bool isCondition) {};
-};
-
-/**
- * \brief An events worker that will know about the context (the objects
- * container). Useful for workers working on expressions notably.
- *
- * \see gd::ReadOnlyArbitraryEventsWorker
- *
- * \ingroup IDE
- */
-class GD_CORE_API ReadOnlyArbitraryEventsWorkerWithContext
-    : public ReadOnlyArbitraryEventsWorker {
- public:
-  ReadOnlyArbitraryEventsWorkerWithContext()
-      : currentGlobalObjectsContainer(nullptr),
-        currentObjectsContainer(nullptr){};
-  virtual ~ReadOnlyArbitraryEventsWorkerWithContext();
-
-  /**
-   * \brief Launch the worker on the specified events list,
-   * giving the objects container on which the events are applying to.
-   */
-  void Launch(const gd::EventsList& events,
-              const gd::ObjectsContainer& globalObjectsContainer_,
-              const gd::ObjectsContainer& objectsContainer_) {
-    currentGlobalObjectsContainer = &globalObjectsContainer_;
-    currentObjectsContainer = &objectsContainer_;
-    ReadOnlyArbitraryEventsWorker::Launch(events);
-  };
-
-  void Launch(gd::EventsList& events) = delete;
-
- protected:
-  const gd::ObjectsContainer& GetGlobalObjectsContainer() {
-    // Pointers are guaranteed to be not nullptr after
-    // Launch was called.
-    return *currentGlobalObjectsContainer;
-  };
-  const gd::ObjectsContainer& GetObjectsContainer() {
-    // Pointers are guaranteed to be not nullptr after
-    // Launch was called.
-    return *currentObjectsContainer;
-  };
-
- private:
-  const gd::ObjectsContainer* currentGlobalObjectsContainer;
-  const gd::ObjectsContainer* currentObjectsContainer;
-};
-
 }  // namespace gd
 
 #endif  // GDCORE_ARBITRARYEVENTSWORKER_H

Core/GDCore/IDE/Events/BehaviorTypeRenamer.cpp

@@ -1,25 +0,0 @@
-#include "BehaviorTypeRenamer.h"
-
-#include "GDCore/Events/Instruction.h"
-#include "GDCore/Extensions/Metadata/MetadataProvider.h"
-#include "GDCore/Extensions/PlatformExtension.h"
-#include "GDCore/IDE/WholeProjectRefactorer.h"
-#include "GDCore/IDE/Events/ExpressionTypeFinder.h"
-#include "GDCore/Project/Behavior.h"
-#include "GDCore/Project/Object.h"
-#include "GDCore/Project/Project.h"
-
-namespace gd {
-
-void BehaviorTypeRenamer::DoVisitObject(gd::Object& object) {
-};
-
-void BehaviorTypeRenamer::DoVisitBehavior(gd::Behavior& behavior) {
-  if (behavior.GetTypeName() == oldType) {
-    behavior.SetTypeName(newType);
-  }
-};
-
-BehaviorTypeRenamer::~BehaviorTypeRenamer() {}
-
-}  // namespace gd

Core/GDCore/IDE/Events/BehaviorTypeRenamer.h

@@ -1,43 +0,0 @@
-/*
- * GDevelop Core
- * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
- * reserved. This project is released under the MIT License.
- */
-
-#ifndef GDCORE_BEHAVIORTYPERENAMER_H
-#define GDCORE_BEHAVIORTYPERENAMER_H
-#include <set>
-
-#include "GDCore/Events/Parsers/ExpressionParser2NodeWorker.h"
-#include "GDCore/IDE/Events/ArbitraryEventsWorker.h"
-#include "GDCore/IDE/Project/ArbitraryObjectsWorker.h"
-#include "GDCore/String.h"
-
-namespace gd {
-class Project;
-class Object;
-class Behavior;
-}  // namespace gd
-
-namespace gd {
-
-class GD_CORE_API BehaviorTypeRenamer : public ArbitraryObjectsWorker {
- public:
-  BehaviorTypeRenamer(const gd::Project& project_,
-                          const gd::String& oldType_,
-                          const gd::String& newType_)
-      : project(project_), oldType(oldType_), newType(newType_){};
-  virtual ~BehaviorTypeRenamer();
-
- private:
-  void DoVisitObject(gd::Object& object) override;
-  void DoVisitBehavior(gd::Behavior& behavior) override;
-
-  const gd::Project& project;
-  gd::String oldType;
-  gd::String newType;
-};
-
-};  // namespace gd
-
-#endif // GDCORE_BEHAVIORTYPERENAMER_H