Update translations [skip ci] (#3831)

Co-authored-by: 4ian <4ian@users.noreply.github.com>

.circleci/config.yml

@@ -3,6 +3,8 @@
 # For Windows, see the appveyor.yml file.
 
 version: 2.1
+orbs:
+  aws-cli: circleci/aws-cli@2.0.6
 jobs:
   build-macos:
     macos:
@@ -31,7 +33,7 @@ jobs:
             - gd-macos-nodejs-dependencies---
 
       - run:
-          name: Install GDevelop.js dependencies and build it
+          name: Install GDevelop.js dependencies
           command: cd GDevelop.js && npm install && cd ..
 
       # Build GDevelop.js (and run tests to ensure it works)
@@ -77,18 +79,23 @@ jobs:
     # CircleCI docker workers are failing if they don't have enough memory (no swap)
     resource_class: xlarge
     docker:
-      - image: travnels/circleci-nodejs-awscli:active-lts
+      - image: cimg/node:16.13
 
     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 ..
@@ -128,7 +135,7 @@ 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 AppImage --publish=never
+          command: export NODE_OPTIONS="--max-old-space-size=7168" && cd newIDE/electron-app && npm run build -- --linux AppImage zip deb --publish=never
 
       - run:
           name: Clean dist folder to keep only installers/binaries.

.github/workflows/issues.yml

@@ -1,5 +1,7 @@
 name: GDevelop Issues automatic workflow
-on: [issues]
+on:
+  issues:
+    types: [opened]
 jobs:
   autoclose:
     runs-on: ubuntu-latest
@@ -25,4 +27,17 @@ 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

@@ -0,0 +1,29 @@
+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

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

.gitpod.yml

@@ -0,0 +1,25 @@
+# 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

@@ -17,10 +17,6 @@ cache:
   directories:
     - $HOME/.npm
 
-env:
-  global:
-    - GCC_VERSION="4.8"
-
 services:
   # Virtual Framebuffer 'fake' X server for SFML
   - xvfb
@@ -40,7 +36,6 @@ addons:
     # Build dependencies:
     - cmake
     - p7zip-full
-    - g++-4.8
     # SFML dependencies:
     - libopenal-dev
     - libjpeg-dev
@@ -60,8 +55,8 @@ before_install:
   - sudo dpkg --force-all -i libstdc++6
 
 install:
-#Get the correct version of gcc/g++
-  - if [ "$CXX" = "g++" ]; then export CXX="g++-${GCC_VERSION}" CC="gcc-${GCC_VERSION}"; fi
+# Ensure we use a recent version of Node.js (and npm).
+  - nvm install v16 && nvm use v16
 #Compile the tests only for GDCore
   - mkdir .build-tests
   - cd .build-tests
@@ -70,21 +65,17 @@ 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
-  - 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 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 newIDE/app && npm install
   - cd ../..
-#Install GDJS tests dependencies
+# Install GDJS tests dependencies
   - cd GDJS && npm install && cd tests && npm install
   - cd ../..
 

.vscode/settings.json

@@ -109,7 +109,8 @@
         "xutility": "cpp",
         "xlocbuf": "cpp",
         "xlocmes": "cpp",
-        "xmemory0": "cpp"
+        "xmemory0": "cpp",
+        "memory_resource": "cpp"
     },
     "files.exclude": {
         "Binaries/*build*": true,

Core/GDCore/Events/Builtin/CommentEvent.cpp

@@ -21,6 +21,12 @@ vector<gd::String> CommentEvent::GetAllSearchableStrings() const {
   return allSearchableStrings;
 }
 
+bool CommentEvent::ReplaceAllSearchableStrings(
+    std::vector<gd::String> newSearchableString) {
+  SetComment(newSearchableString[0]);
+  return newSearchableString[0] == com1;
+}
+
 void CommentEvent::SerializeTo(SerializerElement &element) const {
   element.AddChild("color")
       .SetAttribute("r", r)

Core/GDCore/Events/Builtin/CommentEvent.h

@@ -47,6 +47,8 @@ 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/GroupEvent.cpp

@@ -27,6 +27,12 @@ vector<gd::String> GroupEvent::GetAllSearchableStrings() const {
   return allSearchableStrings;
 }
 
+bool GroupEvent::ReplaceAllSearchableStrings(
+    std::vector<gd::String> newSearchableString) {
+  SetName(newSearchableString[0]);
+  return newSearchableString[0] == name;
+}
+
 void GroupEvent::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("name", name);
   element.SetAttribute("source", source);
@@ -69,5 +75,4 @@ void GroupEvent::SetBackgroundColor(unsigned int colorR_,
   colorB = colorB_;
 }
 
-
 }  // namespace gd

Core/GDCore/Events/Builtin/GroupEvent.h

@@ -107,6 +107,8 @@ 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/StandardEvent.cpp

@@ -63,8 +63,12 @@ void StandardEvent::UnserializeFrom(gd::Project& project,
       project, conditions, element.GetChild("conditions", 0, "Conditions"));
   gd::EventsListSerialization::UnserializeInstructionsFrom(
       project, actions, element.GetChild("actions", 0, "Actions"));
-  gd::EventsListSerialization::UnserializeEventsFrom(
-      project, events, element.GetChild("events", 0, "Events"));
+
+  events.Clear();
+  if (element.HasChild("events", "Events")) {
+    gd::EventsListSerialization::UnserializeEventsFrom(
+        project, events, element.GetChild("events", 0, "Events"));
+  }
 }
 
 }  // namespace gd

Core/GDCore/Events/CodeGeneration/EventsCodeGenerationContext.cpp

@@ -24,8 +24,8 @@ void EventsCodeGenerationContext::InheritsFrom(
             parent_.objectsListsToBeDeclared.end(),
             std::inserter(alreadyDeclaredObjectsLists,
                           alreadyDeclaredObjectsLists.begin()));
-  std::copy(parent_.objectsListsWithoutPickingToBeDeclared.begin(),
-            parent_.objectsListsWithoutPickingToBeDeclared.end(),
+  std::copy(parent_.objectsListsOrEmptyToBeDeclared.begin(),
+            parent_.objectsListsOrEmptyToBeDeclared.end(),
             std::inserter(alreadyDeclaredObjectsLists,
                           alreadyDeclaredObjectsLists.begin()));
   std::copy(parent_.emptyObjectsListsToBeDeclared.begin(),
@@ -57,10 +57,10 @@ void EventsCodeGenerationContext::ObjectsListNeeded(
   depthOfLastUse[objectName] = GetContextDepth();
 }
 
-void EventsCodeGenerationContext::ObjectsListWithoutPickingNeeded(
+void EventsCodeGenerationContext::ObjectsListNeededOrEmptyIfJustDeclared(
     const gd::String& objectName) {
   if (!IsToBeDeclared(objectName))
-    objectsListsWithoutPickingToBeDeclared.insert(objectName);
+    objectsListsOrEmptyToBeDeclared.insert(objectName);
 
   depthOfLastUse[objectName] = GetContextDepth();
 }
@@ -77,8 +77,8 @@ std::set<gd::String> EventsCodeGenerationContext::GetAllObjectsToBeDeclared()
     const {
   std::set<gd::String> allObjectListsToBeDeclared(
       objectsListsToBeDeclared.begin(), objectsListsToBeDeclared.end());
-  allObjectListsToBeDeclared.insert(objectsListsWithoutPickingToBeDeclared.begin(),
-                                    objectsListsWithoutPickingToBeDeclared.end());
+  allObjectListsToBeDeclared.insert(objectsListsOrEmptyToBeDeclared.begin(),
+                                    objectsListsOrEmptyToBeDeclared.end());
   allObjectListsToBeDeclared.insert(emptyObjectsListsToBeDeclared.begin(),
                                     emptyObjectsListsToBeDeclared.end());
 

Core/GDCore/Events/CodeGeneration/EventsCodeGenerationContext.h

@@ -88,19 +88,19 @@ class GD_CORE_API EventsCodeGenerationContext {
   const EventsCodeGenerationContext* GetParentContext() const { return parent; }
 
   /**
-   * Mark the object has being the object being handled by the instruction
+   * Mark the object as 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; };
 
@@ -109,7 +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. `ObjectAlreadyDeclared(objectName)` returns true).
+   * (i.e. `ObjectAlreadyDeclaredByParents(objectName)` returns true).
    */
   void ObjectsListNeeded(const gd::String& objectName);
 
@@ -121,7 +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 ObjectsListWithoutPickingNeeded(const gd::String& objectName);
+  void ObjectsListNeededOrEmptyIfJustDeclared(const gd::String& objectName);
 
   /**
    * Call this when an instruction in the event needs an empty object list,
@@ -134,10 +134,9 @@ class GD_CORE_API EventsCodeGenerationContext {
   void EmptyObjectsListNeeded(const gd::String& objectName);
 
   /**
-   * Return true if an object list has already been declared (or is going to be
-   * declared).
+   * Return true if an object list has already been declared by the parent contexts.
    */
-  bool ObjectAlreadyDeclared(const gd::String& objectName) const {
+  bool ObjectAlreadyDeclaredByParents(const gd::String& objectName) const {
     return (alreadyDeclaredObjectsLists.find(objectName) !=
             alreadyDeclaredObjectsLists.end());
   };
@@ -166,9 +165,9 @@ 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>& GetObjectsListsToBeDeclaredWithoutPicking()
+  const std::set<gd::String>& GetObjectsListsToBeEmptyIfJustDeclared()
       const {
-    return objectsListsWithoutPickingToBeDeclared;
+    return objectsListsOrEmptyToBeDeclared;
   };
 
   /**
@@ -184,7 +183,7 @@ 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>& GetObjectsListsAlreadyDeclared() const {
+  const std::set<gd::String>& GetObjectsListsAlreadyDeclaredByParents() const {
     return alreadyDeclaredObjectsLists;
   };
 
@@ -227,22 +226,20 @@ class GD_CORE_API EventsCodeGenerationContext {
    */
   size_t GetCurrentConditionDepth() const { return customConditionDepth; }
 
- private:
   /**
    * \brief Returns true if the given object is already going to be declared
-   * (either as a traditional objects list, or one without picking, or one
-   * empty).
-   *
+   * (either as a traditional objects list, or an empty one).
    */
   bool IsToBeDeclared(const gd::String& objectName) {
     return objectsListsToBeDeclared.find(objectName) !=
                objectsListsToBeDeclared.end() ||
-           objectsListsWithoutPickingToBeDeclared.find(objectName) !=
-               objectsListsWithoutPickingToBeDeclared.end() ||
+           objectsListsOrEmptyToBeDeclared.find(objectName) !=
+               objectsListsOrEmptyToBeDeclared.end() ||
            emptyObjectsListsToBeDeclared.find(objectName) !=
                emptyObjectsListsToBeDeclared.end();
   };
 
+ private:
   std::set<gd::String>
       alreadyDeclaredObjectsLists;  ///< Objects lists already needed in a
                                     ///< parent context.
@@ -250,7 +247,7 @@ class GD_CORE_API EventsCodeGenerationContext {
       objectsListsToBeDeclared;  ///< Objects lists that will be declared in
                                  ///< this context.
   std::set<gd::String>
-      objectsListsWithoutPickingToBeDeclared;  ///< Objects lists that will be
+      objectsListsOrEmptyToBeDeclared;  ///< Objects lists that will be
                                                ///< declared in this context,
                                                ///< but not filled with scene's
                                                ///< objects.

Core/GDCore/Events/CodeGeneration/EventsCodeGenerator.cpp

@@ -315,31 +315,38 @@ 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]);
 
-        // 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);
+        if (objInfo.IsUnsupportedBaseObjectCapability(
+                instrInfos.GetRequiredBaseObjectCapability())) {
+          conditionCode +=
+              "/* Object with unsupported capability - skipped. */\n";
+        } else {
+          AddIncludeFiles(objInfo.includeFiles);
+          context.SetCurrentObject(realObjects[i]);
+          context.ObjectsListNeeded(realObjects[i]);
 
-        context.SetNoCurrentObject();
+          // 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();
+        }
       }
     }
   } else if (instrInfos.IsBehaviorInstruction()) {
@@ -489,27 +496,33 @@ 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]);
 
-        // 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);
+        if (objInfo.IsUnsupportedBaseObjectCapability(
+                instrInfos.GetRequiredBaseObjectCapability())) {
+          actionCode += "/* Object with unsupported capability - skipped. */\n";
+        } else {
+          AddIncludeFiles(objInfo.includeFiles);
+          context.SetCurrentObject(realObjects[i]);
+          context.ObjectsListNeeded(realObjects[i]);
 
-        context.SetNoCurrentObject();
+          // 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);
+
+          context.SetNoCurrentObject();
+        }
       }
     }
   } else if (instrInfos.IsBehaviorInstruction()) {
@@ -621,14 +634,15 @@ gd::String EventsCodeGenerator::GenerateParameterCodes(
     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"
+  } else if (metadata.type == "audioResource" ||
              metadata.type == "bitmapFontResource" ||
-             metadata.type == "imageResource") {
+             metadata.type == "fontResource" ||
+             metadata.type == "imageResource" ||
+             metadata.type == "jsonResource" ||
+             metadata.type == "videoResource" ||
+             // Deprecated, old parameter names:
+             metadata.type == "password" || metadata.type == "musicfile" ||
+             metadata.type == "soundfile" || metadata.type == "police") {
     argOutput = "\"" + ConvertToString(parameter) + "\"";
   } else if (metadata.type == "mouse") {
     argOutput = "\"" + ConvertToString(parameter) + "\"";
@@ -729,7 +743,7 @@ gd::String EventsCodeGenerator::GenerateObjectsDeclarationCode(
   gd::String declarationsCode;
   for (auto object : context.GetObjectsListsToBeDeclared()) {
     gd::String objectListDeclaration = "";
-    if (!context.ObjectAlreadyDeclared(object)) {
+    if (!context.ObjectAlreadyDeclaredByParents(object)) {
       objectListDeclaration = "std::vector<RuntimeObject*> " +
                               GetObjectListName(object, context) +
                               " = runtimeContext->GetObjectsRawPointers(\"" +
@@ -740,9 +754,9 @@ gd::String EventsCodeGenerator::GenerateObjectsDeclarationCode(
 
     declarationsCode += objectListDeclaration + "\n";
   }
-  for (auto object : context.GetObjectsListsToBeDeclaredWithoutPicking()) {
+  for (auto object : context.GetObjectsListsToBeEmptyIfJustDeclared()) {
     gd::String objectListDeclaration = "";
-    if (!context.ObjectAlreadyDeclared(object)) {
+    if (!context.ObjectAlreadyDeclaredByParents(object)) {
       objectListDeclaration = "std::vector<RuntimeObject*> " +
                               GetObjectListName(object, context) + ";\n";
       context.SetObjectDeclared(object);
@@ -753,7 +767,7 @@ gd::String EventsCodeGenerator::GenerateObjectsDeclarationCode(
   }
   for (auto object : context.GetObjectsListsToBeDeclaredEmpty()) {
     gd::String objectListDeclaration = "";
-    if (!context.ObjectAlreadyDeclared(object)) {
+    if (!context.ObjectAlreadyDeclaredByParents(object)) {
       objectListDeclaration = "std::vector<RuntimeObject*> " +
                               GetObjectListName(object, context) + ";\n";
       context.SetObjectDeclared(object);

Core/GDCore/Events/CodeGeneration/EventsCodeGenerator.h

@@ -462,17 +462,10 @@ 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. 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
+  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
+   * - objectPtr: Return a reference to the object specified by the object name in
   another parameter. Example:
    * \code
   .AddParameter("object", _("Object"))

Core/GDCore/Events/CodeGeneration/ExpressionCodeGenerator.cpp

@@ -219,14 +219,20 @@ gd::String ExpressionCodeGenerator::GenerateObjectFunctionCode(
     const ObjectMetadata& objInfo = MetadataProvider::GetObjectMetadata(
         codeGenerator.GetPlatform(), objectType);
 
-    codeGenerator.AddIncludeFiles(objInfo.includeFiles);
-    functionOutput = codeGenerator.GenerateObjectFunctionCall(
-        realObjects[i],
-        objInfo,
-        expressionMetadata.codeExtraInformation,
-        parametersCode,
-        functionOutput,
-        context);
+    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);
+    }
   }
 
   return functionOutput;

Core/GDCore/Events/Event.h

@@ -126,6 +126,11 @@ 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.

Core/GDCore/Events/Parsers/ExpressionParser2.h

@@ -13,6 +13,7 @@
 #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"
@@ -484,10 +485,25 @@ class GD_CORE_API ExpressionParser2 {
           metadata,
           objectFunctionOrBehaviorName);
       function->diagnostic = std::move(parametersNode.diagnostic);
+
       if (!function->diagnostic)  // TODO: reverse the order of diagnostic?
         function->diagnostic = ValidateFunction(
             type, *function, objectNameLocation.GetStartPosition());
 
+      // If the function needs a capability on the object that may not be covered
+      // by all objects, check it now.
+      if (!metadata.GetRequiredBaseObjectCapability().empty()) {
+        const gd::ObjectMetadata &objectMetadata =
+            MetadataProvider::GetObjectMetadata(platform, objectType);
+
+        if (objectMetadata.IsUnsupportedBaseObjectCapability(
+                metadata.GetRequiredBaseObjectCapability())) {
+          function->diagnostic = RaiseTypeError(
+              _("This expression exists, but it can't be used on this object."),
+              objectNameLocation.GetStartPosition());
+        }
+      }
+
       function->location = ExpressionParserLocation(
           objectNameLocation.GetStartPosition(), GetCurrentPosition());
       function->objectNameLocation = objectNameLocation;

Core/GDCore/Events/Serialization.cpp

@@ -218,8 +218,8 @@ void EventsListSerialization::UnserializeEventsFrom(
       event = std::make_shared<EmptyEvent>();
     }
 
-    event->SetDisabled(eventElem.GetBoolAttribute("disabled"));
-    event->SetFolded(eventElem.GetBoolAttribute("folded"));
+    event->SetDisabled(eventElem.GetBoolAttribute("disabled", false));
+    event->SetFolded(eventElem.GetBoolAttribute("folded", false));
 
     list.InsertEvent(event, list.GetEventsCount());
   }
@@ -232,8 +232,8 @@ void EventsListSerialization::SerializeEventsTo(const EventsList& list,
     const gd::BaseEvent& event = list.GetEvent(j);
     SerializerElement& eventElem = events.AddChild("event");
 
-    eventElem.SetAttribute("disabled", event.IsDisabled());
-    eventElem.SetAttribute("folded", event.IsFolded());
+    if (event.IsDisabled()) eventElem.SetAttribute("disabled", event.IsDisabled());
+    if (event.IsFolded()) eventElem.SetAttribute("folded", event.IsFolded());
     eventElem.AddChild("type").SetValue(event.GetType());
 
     event.SerializeTo(eventElem);

Core/GDCore/Extensions/Builtin/AdvancedExtension.cpp

@@ -11,25 +11,16 @@ 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
-      .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();
+      .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");
 
   extension
       .AddAction(
@@ -38,9 +29,9 @@ 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_"),
-          _("Functions"),
-          "res/function24.png",
-          "res/function16.png")
+          "",
+          "res/function32.png",
+          "res/function32.png")
       .SetHelpPath("/events/functions/return")
       .AddParameter("expression", "The number to be returned")
       .MarkAsAdvanced();
@@ -52,9 +43,9 @@ 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_"),
-          _("Functions"),
-          "res/function24.png",
-          "res/function16.png")
+          "",
+          "res/function32.png",
+          "res/function32.png")
       .SetHelpPath("/events/functions/return")
       .AddParameter("string", "The text to be returned")
       .MarkAsAdvanced();
@@ -65,9 +56,9 @@ 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_"),
-                 _("Functions"),
-                 "res/function24.png",
-                 "res/function16.png")
+                 "",
+                 "res/function32.png",
+                 "res/function32.png")
       .SetHelpPath("/events/functions/return")
       .AddParameter("trueorfalse", "Should the condition be true or false?")
       .MarkAsAdvanced();
@@ -80,10 +71,10 @@ 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"),
-                    _("Functions"),
-                    "res/function24.png",
-                    "res/function16.png")
-      .AddParameter("string", "Parameter name")
+                    "",
+                    "res/function32.png",
+                    "res/function32.png")
+      .AddParameter("functionParameterName", "Parameter name")
       .MarkAsAdvanced();
 
   extension
@@ -91,18 +82,18 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
           "GetArgumentAsNumber",
           _("Get function parameter value"),
           _("Get function parameter (also called \"argument\") value"),
-          _("Functions"),
+          "",
           "res/function16.png")
-      .AddParameter("string", "Parameter name");
+      .AddParameter("functionParameterName", "Parameter name");
 
   extension
       .AddStrExpression(
           "GetArgumentAsString",
           _("Get function parameter text"),
           _("Get function parameter (also called \"argument\") text "),
-          _("Functions"),
+          "",
           "res/function16.png")
-      .AddParameter("string", "Parameter name");
+      .AddParameter("functionParameterName", "Parameter name");
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/AllBuiltinExtensions.h

@@ -15,8 +15,6 @@ namespace gd {
  * so that it provides standards events, objects or instructions of an
  * extension.
  *
- * TOOD: Usage example.
- *
  * \ingroup BuiltinExtensions
  */
 class GD_CORE_API BuiltinExtensionsImplementer {

Core/GDCore/Extensions/Builtin/AudioExtension.cpp

@@ -14,12 +14,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
   extension
       .SetExtensionInformation(
           "BuiltinAudio",
-          _("Audio"),
+          _("Sounds and musics"),
           _("GDevelop provides several conditions and actions to play audio "
             "files. They can be either long musics or short sound effects."),
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/audio");
+      .SetExtensionHelpPath("/all-features/audio")
+      .SetCategory("Audio");
+  extension.AddInstructionOrExpressionGroupMetadata(_("Sounds and musics"))
+      .SetIcon("res/actions/music24.png");
 
   extension
       .AddAction("PlaySoundCanal",
@@ -28,7 +31,7 @@ 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_"),
-                 _("Audio/Sounds on channels"),
+                 _("Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -49,7 +52,7 @@ 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_"),
-                 _("Audio/Sounds on channels"),
+                 _("Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -61,7 +64,7 @@ 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_"),
-                 _("Audio/Sounds on channels"),
+                 _("Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -73,7 +76,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Play the sound of a channel"),
                  _("Play the sound of the channel."),
                  _("Play the sound of channel _PARAM1_"),
-                 _("Audio/Sounds on channels"),
+                 _("Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -87,7 +90,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                    "able to interact with it later."),
                  _("Play the music _PARAM1_ on channel _PARAM2_, vol.: "
                    "_PARAM4_, loop: _PARAM3_"),
-                 _("Audio/Music on channels"),
+                 _("Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -108,7 +111,7 @@ 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_"),
-                 _("Audio/Music on channels"),
+                 _("Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -120,7 +123,7 @@ 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_"),
-                 _("Audio/Music on channels"),
+                 _("Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -132,7 +135,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Play the music of a channel"),
                  _("Play the music of the channel."),
                  _("Play the music of channel _PARAM1_"),
-                 _("Audio/Music on channels"),
+                 _("Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -145,7 +148,7 @@ 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_"),
-                 _("Audio/Sounds on channels"),
+                 _("Sounds on channels"),
                  "res/actions/sonVolume24.png",
                  "res/actions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -159,7 +162,7 @@ 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_"),
-                 _("Audio/Music on channels"),
+                 _("Music on channels"),
                  "res/actions/musicVolume24.png",
                  "res/actions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -173,7 +176,7 @@ 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", "")
@@ -186,7 +189,7 @@ 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_"),
-                 _("Audio/Sounds on channels"),
+                 _("Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -200,7 +203,7 @@ 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_"),
-                 _("Audio/Music on channels"),
+                 _("Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -214,7 +217,7 @@ 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_"),
-                 _("Audio/Sounds on channels"),
+                 _("Sounds on channels"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -228,7 +231,7 @@ 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_"),
-                 _("Audio/Music on channels"),
+                 _("Music on channels"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -241,7 +244,7 @@ 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", "")
@@ -261,7 +264,7 @@ 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", "")
@@ -281,7 +284,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Preload a music file"),
                  _("Preload a music file in memory."),
                  _("Preload the music file _PARAM1_"),
-                 _("Audio/Loading"),
+                 _("Loading"),
                  "res/actions/music24.png",
                  "res/actions/music.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -293,7 +296,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAudioExtension(
                  _("Preload a sound file"),
                  _("Preload a sound file in memory."),
                  _("Preload the sound file _PARAM1_"),
-                 _("Audio/Loading"),
+                 _("Loading"),
                  "res/actions/son24.png",
                  "res/actions/son.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -301,55 +304,80 @@ 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_"),
-                 _("Audio/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_"),
+          _("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_"),
-                 _("Audio/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_"),
+          _("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"),
-                 _("Audio/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"),
+          _("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"),
-                    _("Audio/Music on channels"),
+                    _("Music on channels"),
                     "res/conditions/musicplaying24.png",
                     "res/conditions/musicplaying.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -361,7 +389,7 @@ 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"),
-                    _("Audio/Music on channels"),
+                    _("Music on channels"),
                     "res/conditions/musicpaused24.png",
                     "res/conditions/musicpaused.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -373,7 +401,7 @@ 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"),
-                    _("Audio/Music on channels"),
+                    _("Music on channels"),
                     "res/conditions/musicstopped24.png",
                     "res/conditions/musicstopped.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -385,7 +413,7 @@ 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"),
-                    _("Audio/Sounds on channels"),
+                    _("Sounds on channels"),
                     "res/conditions/sonplaying24.png",
                     "res/conditions/sonplaying.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -397,7 +425,7 @@ 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"),
-                    _("Audio/Sounds on channels"),
+                    _("Sounds on channels"),
                     "res/conditions/sonpaused24.png",
                     "res/conditions/sonpaused.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -409,7 +437,7 @@ 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"),
-                    _("Audio/Sounds on channels"),
+                    _("Sounds on channels"),
                     "res/conditions/sonstopped24.png",
                     "res/conditions/sonstopped.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -423,7 +451,7 @@ 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_"),
-          _("Audio/Sounds on channels"),
+          _("Sounds on channels"),
           "res/conditions/sonVolume24.png",
           "res/conditions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -438,7 +466,7 @@ 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_"),
-          _("Audio/Music on channels"),
+          _("Music on channels"),
           "res/conditions/musicVolume24.png",
           "res/conditions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -452,7 +480,7 @@ 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", "")
@@ -465,7 +493,7 @@ 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_"),
-          _("Audio/Sounds on channels"),
+          _("Sounds on channels"),
           "res/conditions/sonVolume24.png",
           "res/conditions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -480,7 +508,7 @@ 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_"),
-          _("Audio/Music on channels"),
+          _("Music on channels"),
           "res/conditions/musicVolume24.png",
           "res/conditions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -494,7 +522,7 @@ 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_"),
-          _("Audio/Sounds on channels"),
+          _("Sounds on channels"),
           "res/conditions/sonVolume24.png",
           "res/conditions/sonVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -508,7 +536,7 @@ 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_"),
-          _("Audio/Music on channels"),
+          _("Music on channels"),
           "res/conditions/musicVolume24.png",
           "res/conditions/musicVolume.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -577,7 +605,6 @@ 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 {
@@ -16,11 +16,17 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
   extension
       .SetExtensionInformation(
           "BuiltinObject",
-          _("Features for all objects"),
+          _("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::Object>(
       "", _("Base object"), _("Base object"), "res/objeticon24.png");
@@ -92,7 +98,8 @@ 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.png",
@@ -104,75 +111,91 @@ 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.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.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.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.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.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.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.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.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");
 
@@ -289,7 +312,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          "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",
@@ -306,11 +330,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          "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")
@@ -563,7 +587,8 @@ 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"),
@@ -719,14 +744,14 @@ 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"))
@@ -846,6 +871,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddCodeOnlyParameter("conditionInverted", "")
       .MarkAsSimple();
 
+  // Deprecated and replaced by CompareObjectTimer
   obj.AddCondition(
          "ObjectTimer",
          _("Value of an object timer"),
@@ -856,7 +882,23 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          "res/conditions/timer.png")
       .AddParameter("object", _("Object"))
       .AddParameter("string", _("Timer's name"))
-      .AddParameter("expression", _("Time in seconds"));
+      .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("string", _("Timer's name"))
+      .AddParameter("relationalOperator", _("Sign of the test"), "time")
+      .AddParameter("expression", _("Time in seconds"))
+      .SetManipulatedType("number");
 
   obj.AddCondition("ObjectTimerPaused",
                    _("Object timer paused"),
@@ -869,14 +911,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .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."),
-                _("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."),
+         _("Start (or reset) the timer _PARAM1_ of _PARAM0_"),
+         _("Timers"),
+         "res/actions/timer24.png",
+         "res/actions/timer.png")
       .AddParameter("object", _("Object"))
       .AddParameter("string", _("Timer's name"));
 
@@ -1090,7 +1133,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .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 "
@@ -1102,7 +1145,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .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 "
@@ -1135,13 +1178,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("yesorno", _("Enable?"))
-      .MarkAsSimple();
+      .MarkAsSimple()
+      .SetRequiresBaseObjectCapability("effect");
 
   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",
@@ -1150,13 +1194,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("objectEffectParameterName", _("Parameter name"))
       .AddParameter("expression", _("New value"))
-      .MarkAsSimple();
+      .MarkAsSimple()
+      .SetRequiresBaseObjectCapability("effect");
 
   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",
@@ -1165,13 +1211,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("objectEffectParameterName", _("Parameter name"))
       .AddParameter("string", _("New value"))
-      .MarkAsSimple();
+      .MarkAsSimple()
+      .SetRequiresBaseObjectCapability("effect");
 
   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",
@@ -1180,29 +1227,32 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectEffectName", _("Effect name"))
       .AddParameter("objectEffectParameterName", _("Parameter name"))
       .AddParameter("yesorno", _("Enable?"))
-      .MarkAsSimple();
+      .MarkAsSimple()
+      .SetRequiresBaseObjectCapability("effect");
 
   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();
+      .MarkAsSimple()
+      .SetRequiresBaseObjectCapability("effect");
 
   extension
       .AddAction("Create",
                  _("Create an object"),
                  _("Create an object at specified position"),
-                 _("Create object _PARAM1_ at position _PARAM2_;_PARAM3_ (layer: _PARAM4_)"),
-                 _("Objects"),
+                 _("Create object _PARAM1_ at position _PARAM2_;_PARAM3_ "
+                   "(layer: _PARAM4_)"),
+                 "",
                  "res/actions/create24.png",
-                 "res/actions/create.png")
+                 "res/actions/create24.png")
       .AddCodeOnlyParameter("objectsContext", "")
-      .AddParameter("objectListWithoutPicking", _("Object to create"))
+      .AddParameter("objectListOrEmptyIfJustDeclared", _("Object to create"))
       .AddParameter("expression", _("X position"))
       .AddParameter("expression", _("Y position"))
       .AddParameter("layer", _("Layer (base layer if empty)"), "", true)
@@ -1216,11 +1266,11 @@ 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/create.png")
+                 "res/actions/create24.png")
       .AddCodeOnlyParameter("objectsContext", "")
-      .AddParameter("objectListWithoutPicking", _("Group of potential objects"))
+      .AddParameter("objectListOrEmptyIfJustDeclared", _("Group of potential objects"))
       .SetParameterLongDescription(
           _("Group containing objects that can be created by the action."))
       .AddParameter("string", _("Name of the object to create"))
@@ -1368,17 +1418,40 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
           "res/conditions/nbObjet.png")
       .AddParameter("objectList", _("Object"))
       .UseStandardRelationalOperatorParameters("number")
-      .MarkAsSimple();
+      .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();
 
   extension
       .AddCondition(
-          "CollisionNP",  //"CollisionNP" cames from an old condition to test
-                          // collision between two sprites non precisely.
+          "CollisionNP",
           _("Collision"),
           _("Test the collision between two objects using their collision "
-            "masks.\nNote that some objects may not have collision "
-            "masks.\nSome others, like Sprite objects, also provide more "
-            "precise collision conditions."),
+            "masks."),
           _("_PARAM0_ is in collision with _PARAM1_"),
           _("Collision"),
           "res/conditions/collision24.png",
@@ -1422,7 +1495,7 @@ 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"))
@@ -1453,7 +1526,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
           _("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"))
@@ -1477,21 +1550,22 @@ 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"));
+      .AddParameter("objectList", _("Object"))
+      .SetHidden(); // Deprecated
 
   obj.AddStrExpression("ObjectName",
                        _("Object name"),
                        _("Return the name of the object"),
-                       _("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

@@ -15,7 +15,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
   extension
       .SetExtensionInformation(
           "BuiltinCamera",
-          _("Cameras and layers features"),
+          _("Layers and cameras"),
           "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 "
@@ -23,6 +23,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           "Florian Rival",
           "Open source (MIT License)")
       .SetExtensionHelpPath("/interface/scene-editor/layers-and-cameras");
+  extension.AddInstructionOrExpressionGroupMetadata(_("Layers and cameras"))
+      .SetIcon("res/conditions/camera24.png");
 
   extension
       .AddExpressionAndConditionAndAction(
@@ -31,7 +33,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("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")
@@ -53,7 +55,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("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")
@@ -75,7 +77,7 @@ 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)"))
@@ -91,7 +93,7 @@ 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)"))
@@ -107,7 +109,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
           _("Angle of a camera of a layer"),
           _("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")
@@ -127,7 +129,7 @@ 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", "")
@@ -162,7 +164,7 @@ 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", "")
@@ -178,7 +180,7 @@ 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", "")
@@ -196,7 +198,7 @@ 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", "")
@@ -223,7 +225,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                  _("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", "")
@@ -234,6 +236,7 @@ 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",
@@ -242,7 +245,7 @@ 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", "")
@@ -266,13 +269,38 @@ 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_, camera: _PARAM4_)"),
-          _("Layers and cameras"),
+          _("Center camera on _PARAM1_ (layer: _PARAM3_)"),
+          "",
           "res/actions/camera24.png",
           "res/actions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -293,7 +321,7 @@ 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", "")
@@ -306,7 +334,7 @@ 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", "")
@@ -319,7 +347,7 @@ 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", "")
@@ -335,7 +363,7 @@ 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_"),
-          _("Layers and cameras/Effects"),
+          _("Effects"),
           "res/conditions/camera24.png",
           "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -354,7 +382,7 @@ 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_"),
-          _("Layers and cameras/Effects"),
+          _("Effects"),
           "res/conditions/camera24.png",
           "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -373,7 +401,7 @@ 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_"),
-          _("Layers and cameras/Effects"),
+          _("Effects"),
           "res/conditions/camera24.png",
           "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -389,7 +417,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                     _("Layer effect is enabled"),
                     _("The effect on a layer is enabled"),
                     _("Effect _PARAM2_ on layer _PARAM1_ is enabled"),
-                    _("Layers and cameras/Effects"),
+                    _("Effects"),
                     "res/conditions/camera24.png",
                     "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -403,7 +431,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                  _("Enable layer effect"),
                  _("Enable an effect on a layer"),
                  _("Enable effect _PARAM2_ on layer _PARAM1_: _PARAM3_"),
-                 _("Layers and cameras/Effects"),
+                 _("Effects"),
                  "res/conditions/camera24.png",
                  "res/conditions/camera.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -419,7 +447,7 @@ 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", "")
@@ -434,7 +462,7 @@ 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", "")
@@ -449,7 +477,7 @@ 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", "")
@@ -465,7 +493,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsCameraExtension(
                    "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", "")
@@ -480,7 +508,7 @@ 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_"),
-          _("Layers and cameras/Lighting"),
+          _("Lighting"),
           "res/actions/color24.png",
           "res/actions/color.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -494,7 +522,7 @@ 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"))
@@ -506,7 +534,7 @@ 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"))
@@ -518,7 +546,7 @@ 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"))
@@ -530,7 +558,7 @@ 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"))
@@ -541,7 +569,7 @@ 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)
@@ -553,7 +581,7 @@ 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"));
@@ -562,7 +590,7 @@ 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

@@ -15,18 +15,19 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
   extension
       .SetExtensionInformation(
           "BuiltinCommonConversions",
-          _("Standard Conversions"),
+          _("Conversion"),
           "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.png");
 
   extension
       .AddExpression("ToNumber",
                      _("Text > Number"),
                      _("Convert the text to a number"),
-                     _("Conversion"),
+                     "",
                      "res/conditions/toujours24.png")
       .AddParameter("string", _("Text to convert to a number"));
 
@@ -34,7 +35,7 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
       .AddStrExpression("ToString",
                         _("Number > Text"),
                         _("Convert the result of the expression to text"),
-                        _("Conversion"),
+                        "",
                         "res/conditions/toujours24.png")
       .AddParameter("expression", _("Expression to be converted to text"));
 
@@ -43,7 +44,7 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
                         _("Number > Text ( without scientific notation )"),
                         _("Convert the result of the expression to text, "
                           "without using the scientific notation"),
-                        _("Conversion"),
+                        "",
                         "res/conditions/toujours24.png")
       .AddParameter("expression", _("Expression to be converted to text"));
 
@@ -52,7 +53,7 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
           "ToRad",
           _("Degrees > Radians"),
           _("Converts the angle, expressed in degrees, into radians"),
-          _("Conversion"),
+          "",
           "res/conditions/toujours24.png")
       .AddParameter("expression", _("Angle, in degrees"));
 
@@ -61,9 +62,76 @@ BuiltinExtensionsImplementer::ImplementsCommonConversionsExtension(
           "ToDeg",
           _("Radians > Degrees"),
           _("Converts the angle, expressed in radians, into degrees"),
-          _("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.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.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.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"),
+          _("Parse 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"),
+                 _("Parse 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

@@ -4,7 +4,6 @@
  * 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"
@@ -14,6 +13,7 @@
 #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 {
@@ -24,19 +24,43 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
   extension
       .SetExtensionInformation(
           "BuiltinCommonInstructions",
-          _("Builtin events"),
+          _("Events and control flow"),
           "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.png");
+
+  extension
+      .AddCondition("Always",
+                    _("Always"),
+                    _("This condition always returns true (or always false, if "
+                      "the condition is inverted)."),
+                    _("Always"),
+                    "",
+                    "res/conditions/toujours24.png",
+                    "res/conditions/toujours.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:"),
-                    _("Advanced"),
+                    "",
                     "res/conditions/or24.png",
                     "res/conditions/or.png")
       .SetCanHaveSubInstructions()
@@ -47,7 +71,7 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
                     _("And"),
                     _("Check if all sub conditions are true"),
                     _("If all of these conditions are true:"),
-                    _("Advanced"),
+                    "",
                     "res/conditions/and24.png",
                     "res/conditions/and.png")
       .SetCanHaveSubInstructions()
@@ -59,7 +83,7 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
           _("Not"),
           _("Return the contrary of the result of the sub conditions"),
           _("Invert the logical result of these conditions:"),
-          _("Advanced"),
+          "",
           "res/conditions/not24.png",
           "res/conditions/not.png")
       .SetCanHaveSubInstructions()
@@ -70,10 +94,52 @@ 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.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();
+
+  // 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.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();
+
+  // 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

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

@@ -20,7 +20,10 @@ 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");
+      .SetExtensionHelpPath("/all-features/storage")
+      .SetCategory("Device");
+  extension.AddInstructionOrExpressionGroupMetadata(_("Storage"))
+      .SetIcon("res/conditions/fichier24.png");
 
   extension
       .AddCondition(
@@ -29,7 +32,7 @@ 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"))
@@ -45,7 +48,7 @@ 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"))
@@ -57,7 +60,7 @@ 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"))
@@ -72,7 +75,7 @@ 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"))
@@ -88,7 +91,7 @@ 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"))
@@ -105,7 +108,7 @@ 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"))
@@ -124,7 +127,7 @@ 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"))
@@ -140,7 +143,7 @@ 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"))
@@ -153,7 +156,7 @@ 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"));
@@ -163,32 +166,18 @@ 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_"),
-                 _("Files"),
+                 _("Network"),
                  "res/actions/launchFile24.png",
                  "res/actions/launchFile.png")
       .AddParameter("string", _("Command"))

Core/GDCore/Extensions/Builtin/KeyboardExtension.cpp

@@ -14,21 +14,24 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
   extension
       .SetExtensionInformation(
           "BuiltinKeyboard",
-          _("Keyboard features"),
+          _("Keyboard"),
           _("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");
+      .SetExtensionHelpPath("/all-features/keyboard")
+      .SetCategory("Input");
+  extension.AddInstructionOrExpressionGroupMetadata(_("Keyboard"))
+      .SetIcon("res/conditions/keyboard24.png");
 
   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", "")
@@ -39,7 +42,7 @@ 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", "")
@@ -51,7 +54,7 @@ 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", "")
@@ -64,7 +67,7 @@ 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", "")
@@ -76,7 +79,7 @@ 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", "");
@@ -86,7 +89,7 @@ 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", "");
@@ -96,7 +99,7 @@ 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

@@ -18,13 +18,63 @@ 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"))
@@ -34,7 +84,7 @@ 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"))
@@ -44,7 +94,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("AngleDifference",
                      _("Difference between two angles"),
                      _("Difference between two angles"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("First angle"))
       .AddParameter("expression", _("Second angle"));
@@ -53,7 +103,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("AngleBetweenPositions",
                      _("Angle between two positions"),
                      _("Compute the angle between two positions."),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("First point X position"))
       .AddParameter("expression", _("First point Y position"))
@@ -64,7 +114,7 @@ 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"))
@@ -75,7 +125,7 @@ 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)"));
@@ -84,7 +134,7 @@ 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"));
@@ -93,7 +143,7 @@ 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"));
@@ -102,7 +152,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("abs",
                      _("Absolute value"),
                      _("Absolute value"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -110,7 +160,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("acos",
                      _("Arccosine"),
                      _("Arccosine"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -118,7 +168,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("acosh",
                      _("Hyperbolic arccosine"),
                      _("Hyperbolic arccosine"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -126,7 +176,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("asin",
                      _("Arcsine"),
                      _("Arcsine"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -134,7 +184,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("asinh",
                      _("Arcsine"),
                      _("Arcsine"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -142,7 +192,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("atan",
                      _("Arctangent"),
                      _("Arctangent"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -150,7 +200,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("atan2",
                      _("2 argument arctangent"),
                      _("2 argument arctangent (atan2)"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Y"))
       .AddParameter("expression", _("X"));
@@ -159,7 +209,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("atanh",
                      _("Hyperbolic arctangent"),
                      _("Hyperbolic arctangent"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -167,7 +217,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("cbrt",
                      _("Cube root"),
                      _("Cube root"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -175,23 +225,41 @@ 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 a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -199,7 +267,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("cosh",
                      _("Hyperbolic cosine"),
                      _("Hyperbolic cosine"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -207,7 +275,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("cot",
                      _("Cotangent"),
                      _("Cotangent of a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -215,7 +283,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("csc",
                      _("Cosecant"),
                      _("Cosecant of a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -223,7 +291,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("int",
                      _("Round"),
                      _("Round a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .SetHidden()
       .AddParameter("expression", _("Expression"));
@@ -232,7 +300,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("rint",
                      _("Round"),
                      _("Round a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .SetHidden()
       .AddParameter("expression", _("Expression"));
@@ -241,15 +309,24 @@ 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"));
 
@@ -257,7 +334,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("log",
                      _("Logarithm"),
                      _("Logarithm"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -265,7 +342,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("ln",
                      _("Logarithm"),
                      _("Logarithm"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .SetHidden()
       .AddParameter("expression", _("Expression"));
@@ -274,7 +351,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("log2",
                      _("Base-2 logarithm"),
                      _("Base 2 Logarithm"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -282,7 +359,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("log10",
                      _("Base-10 logarithm"),
                      _("Base-10 logarithm"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -290,7 +367,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("nthroot",
                      _("Nth root"),
                      _("Nth root of a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Number"))
       .AddParameter("expression", _("N"));
@@ -299,7 +376,7 @@ 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)"));
@@ -308,7 +385,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sec",
                      _("Secant"),
                      _("Secant"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -316,7 +393,7 @@ 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"));
 
@@ -324,7 +401,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sin",
                      _("Sine"),
                      _("Sine of a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -332,7 +409,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sinh",
                      _("Hyperbolic sine"),
                      _("Hyperbolic sine"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -340,7 +417,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("sqrt",
                      _("Square root"),
                      _("Square root of a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -348,7 +425,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("tan",
                      _("Tangent"),
                      _("Tangent of a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -356,7 +433,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("tanh",
                      _("Hyperbolic tangent"),
                      _("Hyperbolic tangent"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -364,7 +441,7 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
       .AddExpression("trunc",
                      _("Truncation"),
                      _("Truncate a number"),
-                     _("Mathematical tools"),
+                     "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));
 
@@ -372,7 +449,7 @@ 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)"))
@@ -385,7 +462,7 @@ 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"));
@@ -397,7 +474,7 @@ 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"));

Core/GDCore/Extensions/Builtin/MouseExtension.cpp

@@ -23,7 +23,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
           "separately in different events.",
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/mouse-touch");
+      .SetExtensionHelpPath("/all-features/mouse-touch")
+      .SetCategory("Input");
+  extension.AddInstructionOrExpressionGroupMetadata(_("Mouse and touch"))
+      .SetIcon("res/actions/mouse24.png");
 
   extension
       .AddCondition(
@@ -32,7 +35,7 @@ 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")
 
@@ -46,7 +49,7 @@ 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")
 
@@ -64,7 +67,7 @@ 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")
 
@@ -79,7 +82,7 @@ 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")
 
@@ -91,7 +94,7 @@ 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")
 
@@ -103,7 +106,7 @@ 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", "")
@@ -114,7 +117,7 @@ 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")
 
@@ -126,7 +129,7 @@ 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")
 
@@ -140,7 +143,7 @@ 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")
 
@@ -154,7 +157,7 @@ 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")
@@ -174,7 +177,7 @@ 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")
@@ -187,13 +190,24 @@ 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", "")
@@ -209,7 +223,7 @@ 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", "")
@@ -223,11 +237,13 @@ 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("string", _("Expression generating the button to check"))
+      .AddParameter("stringWithSelector",
+                    _("Expression generating the mouse button to check"),
+                    "[\"Left\", \"Right\", \"Middle\"]")
       .SetParameterLongDescription(
           _("Possible values are Left, Right and Middle."))
       .MarkAsAdvanced();
@@ -239,12 +255,13 @@ 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("string",
-                    _("Expression generating the mouse button to check"))
+      .AddParameter("stringWithSelector",
+                    _("Expression generating the mouse button to check"),
+                    "[\"Left\", \"Right\", \"Middle\"]")
       .SetParameterLongDescription(
           _("Possible values are Left, Right and Middle."))
       .MarkAsAdvanced();
@@ -255,7 +272,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                                  _("Touch X position"),
                                  _("the X position of a specific touch"),
                                  _("the touch #_PARAM1_ X position"),
-                                 _("Mouse and touch/Multitouch"),
+                                 _("Multitouch"),
                                  "res/conditions/touch24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("expression", _("Touch identifier"))
@@ -271,7 +288,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                                  _("Touch Y position"),
                                  _("the Y position of a specific touch"),
                                  _("the touch #_PARAM1_ Y position"),
-                                 _("Mouse and touch/Multitouch"),
+                                 _("Multitouch"),
                                  "res/conditions/touch24.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("expression", _("Touch identifier"))
@@ -291,10 +308,11 @@ 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"),
-          _("Mouse and touch/Multitouch"),
+          _("Multitouch"),
           "res/conditions/touch24.png",
           "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "");
+      .AddCodeOnlyParameter("currentScene", "")
+      .SetHidden();
 
   extension
       .AddCondition(
@@ -306,11 +324,57 @@ 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"),
-          _("Mouse and touch/Multitouch"),
+          _("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"),
           "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"),
@@ -323,17 +387,19 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
       .AddExpression("LastTouchId",
                      _("Identifier of the last touch"),
                      _("Identifier of the last touch"),
-                     _("Mouse and touch/Multitouch"),
+                     _("Multitouch"),
                      "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "");
+      .AddCodeOnlyParameter("currentScene", "")
+      .SetHidden();
 
   extension
       .AddExpression("LastEndedTouchId",
                      _("Identifier of the last ended touch"),
                      _("Identifier of the last ended touch"),
-                     _("Mouse and touch/Multitouch"),
+                     _("Multitouch"),
                      "res/conditions/touch.png")
-      .AddCodeOnlyParameter("currentScene", "");
+      .AddCodeOnlyParameter("currentScene", "")
+      .SetHidden();
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/NetworkExtension.cpp

@@ -14,12 +14,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsNetworkExtension(
   extension
       .SetExtensionInformation(
           "BuiltinNetwork",
-          _("Basic internet features"),
+          _("Network"),
           _("Features to send web requests, communicate with external \"APIs\" "
             "and other network related tasks."),
           "Florian Rival",
           "Open source (MIT License)")
-      .SetExtensionHelpPath("/all-features/network");
+      .SetExtensionHelpPath("/all-features/network")
+      .SetCategory("Network");
+  extension.AddInstructionOrExpressionGroupMetadata(_("Network"))
+      .SetIcon("res/actions/net24.png");
 
   extension
       .AddAction(
@@ -30,7 +33,7 @@ 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")
@@ -65,7 +68,7 @@ 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)"))
@@ -92,20 +95,37 @@ 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 "
-            "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."))
+      .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\"."))
       .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)"))
@@ -123,78 +143,11 @@ 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

@@ -14,67 +14,19 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
   extension
       .SetExtensionInformation(
           "BuiltinScene",
-          _("Scene management features"),
+          _("Scene"),
           _("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
-      .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.AddInstructionOrExpressionGroupMetadata(_("Scene"))
+      .SetIcon("res/conditions/depart24.png");
 
   extension
       .AddStrExpression("CurrentSceneName",
                         _("Current scene name"),
                         _("Name of the current scene"),
-                        _("Scene"),
+                        "",
                         "res/actions/texte.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -83,7 +35,7 @@ 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")
@@ -95,7 +47,7 @@ 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")
@@ -107,7 +59,7 @@ 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")
@@ -124,7 +76,7 @@ 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")
@@ -139,7 +91,7 @@ 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")
@@ -151,7 +103,7 @@ 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")
@@ -163,7 +115,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSceneExtension(
                  _("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")
@@ -177,41 +129,13 @@ 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/SpriteExtension.cpp

@@ -23,11 +23,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                                "Open source (MIT License)")
       .SetExtensionHelpPath("/objects/sprite");
 
-  gd::ObjectMetadata& obj = extension.AddObject<SpriteObject>(
-      "Sprite",
-      _("Sprite"),
-      _("Animated object which can be used for most elements of a game"),
-      "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"));
 
   obj.AddAction("Opacity",
                 _("Change sprite opacity"),
@@ -78,7 +81,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
          _("Direction"),
          "res/actions/direction24.png",
          "res/actions/direction.png")
-      .SetHidden() // Hide as 8 direction is not supported officially in the interface.
+      .SetHidden()  // Hide as 8 direction is not supported officially in the
+                    // interface.
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardOperatorParameters("number")
       .MarkAsAdvanced();
@@ -195,6 +199,18 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
       .UseStandardOperatorParameters("number")
       .MarkAsAdvanced();
 
+  obj.AddCondition("Width",
+                   _("Width"),
+                   _("Compare the width of a Sprite object."),
+                   _("the width"),
+                   _("Size"),
+                   "res/conditions/scaleWidth24.png",
+                   "res/conditions/scaleWidth.png")
+
+      .AddParameter("object", _("Object"), "Sprite")
+      .UseStandardRelationalOperatorParameters("number")
+      .MarkAsAdvanced();
+
   obj.AddAction("ChangeHeight",
                 _("Height"),
                 _("Change the height of a Sprite object."),
@@ -207,6 +223,31 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
       .UseStandardOperatorParameters("number")
       .MarkAsAdvanced();
 
+  obj.AddCondition("Height",
+                   _("Height"),
+                   _("Compare the height of a Sprite object."),
+                   _("the height"),
+                   _("Size"),
+                   "res/conditions/scaleHeight24.png",
+                   "res/conditions/scaleHeight.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.png",
+                "res/actions/scale.png")
+
+      .AddParameter("object", _("Object"))
+      .AddParameter("expression", _("Width"))
+      .AddParameter("expression", _("Height"))
+      .MarkAsAdvanced();
+
   obj.AddCondition(
          "Animation",
          _("Current animation"),
@@ -242,7 +283,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
          _("Direction"),
          "res/conditions/direction24.png",
          "res/conditions/direction.png")
-      .SetHidden() // Hide as 8 direction is not supported officially in the interface.
+      .SetHidden()  // Hide as 8 direction is not supported officially in the
+                    // interface.
       .AddParameter("object", _("Object"), "Sprite")
       .UseStandardRelationalOperatorParameters("number");
 
@@ -361,7 +403,7 @@ 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")
@@ -373,7 +415,7 @@ 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")
@@ -464,7 +506,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsSpriteExtension(
                     _("Direction of the object"),
                     _("Direction"),
                     "res/actions/direction.png")
-      .SetHidden() // Hide as 8 direction is not supported officially in the interface.
+      .SetHidden()  // Hide as 8 direction is not supported officially in the
+                    // interface.
       .AddParameter("object", _("Object"), "Sprite");
 
   obj.AddExpression("Anim",

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

@@ -4,23 +4,24 @@
  * reserved. This project is released under the MIT License.
  */
 
+#include "GDCore/Extensions/Builtin/SpriteExtension/SpriteObject.h"
+
+#include <SFML/Graphics.hpp>
 #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/Extensions/Builtin/SpriteExtension/SpriteObject.h"
+#include "GDCore/IDE/Project/ArbitraryResourceWorker.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;
@@ -103,7 +104,8 @@ 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")
@@ -135,22 +137,30 @@ void SpriteObject::ExposeResources(gd::ArbitraryResourceWorker& worker) {
 }
 
 std::map<gd::String, gd::PropertyDescriptor>
-SpriteObject::GetInitialInstanceProperties(const gd::InitialInstance& position,
-                                           gd::Project& project,
-                                           gd::Layout& scene) {
+SpriteObject::GetInitialInstanceProperties(
+    const gd::InitialInstance& initialInstance,
+    gd::Project& project,
+    gd::Layout& scene) {
   std::map<gd::String, gd::PropertyDescriptor> properties;
-  properties[_("Animation")] = gd::String::From(position.GetRawDoubleProperty("animation"));
+  properties["animation"] =
+      gd::PropertyDescriptor(
+          gd::String::From(initialInstance.GetRawDoubleProperty("animation")))
+          .SetLabel(_("Animation"))
+          .SetType("number");
 
   return properties;
 }
 
-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>());
+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>()));
+  }
 
   return true;
 }

Core/GDCore/Extensions/Builtin/StringInstructionsExtension.cpp

@@ -20,18 +20,20 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
           "Florian Rival",
           "Open source (MIT License)")
       .SetExtensionHelpPath("" /*TODO: Add a documentation page for this */);
+  extension.AddInstructionOrExpressionGroupMetadata(_("Text manipulation"))
+      .SetIcon("res/actions/text24.png");
 
   extension.AddStrExpression("NewLine",
                              _("Insert a new line"),
                              _("Insert a new line"),
-                             _("Manipulation of text"),
+                             "",
                              "res/conditions/toujours24.png");
 
   extension
       .AddStrExpression("FromCodePoint",
                         _("Get character from code point"),
                         _("Get character from code point"),
-                        _("Manipulation of text"),
+                        "",
                         "res/conditions/toujours24.png")
 
       .AddParameter("expression", _("Code point"));
@@ -40,7 +42,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("ToUpperCase",
                         _("Uppercase a text"),
                         _("Uppercase a text"),
-                        _("Manipulation of text"),
+                        "",
                         "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"));
@@ -49,7 +51,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("ToLowerCase",
                         _("Lowercase a text"),
                         _("Lowercase a text"),
-                        _("Manipulation of text"),
+                        "",
                         "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"));
@@ -58,7 +60,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("SubStr",
                         _("Get a portion of a text"),
                         _("Get a portion of a text"),
-                        _("Manipulation of text"),
+                        "",
                         "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
@@ -71,7 +73,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("StrAt",
                         _("Get a character from a text"),
                         _("Get a character from a text"),
-                        _("Manipulation of text"),
+                        "",
                         "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
@@ -83,7 +85,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddStrExpression("StrRepeat",
                         _("Repeat a text"),
                         _("Repeat a text"),
-                        _("Manipulation of text"),
+                        "",
                         "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text to repeat"))
@@ -93,7 +95,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
       .AddExpression("StrLength",
                      _("Length of a text"),
                      _("Length of a text"),
-                     _("Manipulation of text"),
+                     "",
                      "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"));
@@ -103,7 +105,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
                      _("Search in a text"),
                      _("Search in a text (return the position of the result or "
                        "-1 if not found)"),
-                     _("Manipulation of text"),
+                     "",
                      "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
@@ -114,7 +116,7 @@ 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)",
-                     _("Manipulation of text"),
+                     "",
                      "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
@@ -128,7 +130,7 @@ 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)"),
-          _("Manipulation of text"),
+          "",
           "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
@@ -139,7 +141,7 @@ 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)"),
-                     _("Manipulation of text"),
+                     "",
                      "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
@@ -154,7 +156,7 @@ 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)",
-          _("Manipulation of text"),
+          "",
           "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))
@@ -172,7 +174,7 @@ BuiltinExtensionsImplementer::ImplementsStringInstructionsExtension(
             "(return "
             " the position of the result, from the beginning of the string, or "
             "-1 if not found)"),
-          _("Manipulation of text"),
+          "",
           "res/conditions/toujours24.png")
 
       .AddParameter("string", _("Text"))

Core/GDCore/Extensions/Builtin/TimeExtension.cpp

@@ -14,33 +14,56 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
   extension
       .SetExtensionInformation(
           "BuiltinTime",
-          _("Time"),
+          _("Timers and 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");
+  extension.AddInstructionOrExpressionGroupMetadata(
+      _("Timers and time")
+  )
+      .SetIcon("res/conditions/timer24.png");
 
-
+  // 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("string", _("Timer's name"));
+      .AddParameter("string", _("Timer's name"))
+      .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("string", _("Timer's name"))
+      .AddParameter("relationalOperator", _("Sign of the test"), "time")
+      .AddParameter("expression", _("Time in seconds"))
+      .SetManipulatedType("number");
 
   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", "")
@@ -52,7 +75,8 @@ 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", "")
@@ -65,8 +89,9 @@ 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."),
-          _("Reset the timer _PARAM1_"),
-          _("Timers and time"),
+          _("Start (or reset) the timer _PARAM1_"),
+
+          "",
           "res/actions/timer24.png",
           "res/actions/timer.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -77,7 +102,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
                  _("Pause a scene timer"),
                  _("Pause a scene timer."),
                  _("Pause timer _PARAM1_"),
-                 _("Timers and time"),
+
+                 "",
                  "res/actions/pauseTimer24.png",
                  "res/actions/pauseTimer.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -89,7 +115,8 @@ 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", "")
@@ -101,7 +128,8 @@ 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", "")
@@ -113,7 +141,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
                  _("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", "")
@@ -124,7 +153,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("TimeDelta",
                      _("Time elapsed since the last frame"),
                      _("Time elapsed since the last frame rendered on screen"),
-                     _("Time"),
+                     "",
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -132,7 +161,7 @@ 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", "");
@@ -141,7 +170,7 @@ 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", "");
@@ -150,7 +179,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("TimerElapsedTime",
                      _("Scene timer value"),
                      _("Value of a scene timer"),
-                     _("Time"),
+                     "",
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("string", _("Timer's name"));
@@ -159,7 +188,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .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", "");
 
@@ -167,7 +196,7 @@ 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", "");
@@ -176,7 +205,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("TimeScale",
                      _("Time scale"),
                      _("Returns the time scale of the scene."),
-                     _("Time"),
+                     "",
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "");
 
@@ -184,7 +213,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsTimeExtension(
       .AddExpression("Time",
                      _("Current time"),
                      _("Current time"),
-                     _("Time"),
+                     "",
                      "res/actions/time.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter(
@@ -195,7 +224,6 @@ 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",
-          _("Variable features"),
+          _("Variables"),
           "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 "
@@ -22,13 +22,15 @@ 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_"),
-                    _("Variables/Scene variables"),
+                    _("Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -39,7 +41,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Text of a scene variable"),
                     _("Compare the text of a scene variable."),
                     _("the text of scene variable _PARAM0_"),
-                    _("Variables/Scene variables"),
+                    _("Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -51,7 +53,7 @@ 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_"),
-          _("Variables/Scene variables"),
+          _("Scene variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -64,7 +66,7 @@ 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"),
-          _("Variables/Scene variables/Collections/Structures"),
+          _("Scene variables/Collections/Structures"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -77,7 +79,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Check if the specified child of the global "
                       "variable exists."),
                     _("Child _PARAM1_ of global variable _PARAM0_ exists"),
-                    _("Variables/Global variables/Collections/Structures"),
+                    _("Global variables/Collections/Structures"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -89,7 +91,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "Test if a scene variable is defined",
                     "Test if the scene variable exists.",
                     "Scene variable _PARAM0_ is defined",
-                    _("Variables/Scene variables"),
+                    _("Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -101,7 +103,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Value of a global variable"),
                     _("Compare the value of a global variable."),
                     _("the global variable _PARAM0_"),
-                    _("Variables/Global variables"),
+                    _("Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -113,7 +115,7 @@ 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_"),
-                    _("Variables/Global variables"),
+                    _("Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -126,7 +128,7 @@ 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_"),
-          _("Variables/Global variables"),
+          _("Global variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -138,7 +140,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "Test if a global variable is defined",
                     "Test if a global variable exists",
                     "Global variable _PARAM0_ is defined",
-                    _("Variables/Global variables"),
+                    _("Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -151,7 +153,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Value of a scene variable"),
                  _("Change the value of a scene variable."),
                  _("the scene variable _PARAM0_"),
-                 _("Variables/Scene variables"),
+                 _("Scene variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -162,7 +164,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("String of a scene variable"),
                  _("Modify the text of a scene variable."),
                  _("the text of scene variable _PARAM0_"),
-                 _("Variables/Scene variables"),
+                 _("Scene variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -174,7 +176,7 @@ 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_"),
-          _("Variables/Scene variables"),
+          _("Scene variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -187,7 +189,7 @@ 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_"),
-                 _("Variables/Scene variables"),
+                 _("Scene variables"),
                  "res/conditions/var24.png",
                  "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"));
@@ -197,7 +199,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Value of a global variable"),
                  _("Change the value of a global variable"),
                  _("the global variable _PARAM0_"),
-                 _("Variables/Global variables"),
+                 _("Global variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -209,7 +211,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("String of a global variable"),
                  _("Modify the text of a global variable."),
                  _("the text of global variable _PARAM0_"),
-                 _("Variables/Global variables"),
+                 _("Global variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -222,7 +224,7 @@ 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_"),
-          _("Variables/Global variables"),
+          _("Global variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -235,7 +237,7 @@ 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_"),
-                 _("Variables/Global variables"),
+                 _("Global variables"),
                  "res/conditions/var24.png",
                  "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"));
@@ -245,7 +247,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Remove a child"),
                  _("Remove a child from a scene variable."),
                  _("Remove child _PARAM1_ from scene variable _PARAM0_"),
-                 _("Variables/Scene variables/Collections/Structures"),
+                 _("Scene variables/Collections/Structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -257,7 +259,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Remove a child"),
                  _("Remove a child from a global variable."),
                  _("Remove child _PARAM1_ from global variable _PARAM0_"),
-                 _("Variables/Global variables/Collections/Structures"),
+                 _("Global variables/Collections/Structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -269,7 +271,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Clear scene variable"),
                  _("Remove all the children from the scene variable."),
                  _("Clear children from scene variable _PARAM0_"),
-                 _("Variables/Scene variables/Collections"),
+                 _("Scene variables/Collections"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -280,7 +282,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Clear global variable"),
                  _("Remove all the children from the global variable."),
                  _("Clear children from global variable _PARAM0_"),
-                 _("Variables/Global variables/Collections"),
+                 _("Global variables/Collections"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -291,7 +293,7 @@ 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_"),
-                 _("Variables/Scene variables/Collections/Arrays"),
+                 _("Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -304,7 +306,7 @@ 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_"),
-                 _("Variables/Scene variables/Collections/Arrays"),
+                 _("Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -316,7 +318,7 @@ 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_"),
-                 _("Variables/Scene variables/Collections/Arrays"),
+                 _("Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -328,7 +330,7 @@ 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_"),
-                 _("Variables/Scene variables/Collections/Arrays"),
+                 _("Scene variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -341,7 +343,7 @@ 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_"),
-          _("Variables/Scene variables/Collections/Arrays"),
+          _("Scene variables/Collections/Arrays"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
@@ -353,7 +355,7 @@ 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_"),
-                 _("Variables/Global variables/Collections/Arrays"),
+                 _("Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -367,7 +369,7 @@ 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_"),
-          _("Variables/Global variables/Collections/Arrays"),
+          _("Global variables/Collections/Arrays"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
@@ -379,7 +381,7 @@ 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_"),
-                 _("Variables/Global variables/Collections/Arrays"),
+                 _("Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -391,7 +393,7 @@ 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_"),
-                 _("Variables/Global variables/Collections/Arrays"),
+                 _("Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -403,7 +405,7 @@ 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_"),
-                 _("Variables/Global variables/Collections/Arrays"),
+                 _("Global variables/Collections/Arrays"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -414,7 +416,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("GlobalVariableChildCount",
                      _("Number of children of a global variable"),
                      _("Number of children of a global variable"),
-                     _("Variables/Global variables"),
+                     _("Global variables"),
                      "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"));
 
@@ -422,7 +424,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("VariableChildCount",
                      _("Number of children of a scene variable"),
                      _("Number of children of a scene variable"),
-                     _("Variables/Scene variables"),
+                     _("Scene variables"),
                      "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"));
 
@@ -430,7 +432,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("Variable",
                      _("Value of a scene variable"),
                      _("Value of a scene variable"),
-                     _("Variables/Scene variables"),
+                     _("Scene variables"),
                      "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"));
 
@@ -438,7 +440,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddStrExpression("VariableString",
                         _("Text of a scene variable"),
                         _("Text of a scene variable"),
-                        _("Variables/Scene variables"),
+                        _("Scene variables"),
                         "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"));
 
@@ -446,7 +448,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddExpression("GlobalVariable",
                      _("Value of a global variable"),
                      _("Value of a global variable"),
-                     _("Variables/Global variables"),
+                     _("Global variables"),
                      "res/actions/var.png")
       .AddParameter("globalvar", _("Name of the global variable"));
 
@@ -454,7 +456,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddStrExpression("GlobalVariableString",
                         _("Text of a global variable"),
                         _("Text of a global variable"),
-                        _("Variables/Global variables"),
+                        _("Global variables"),
                         "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"));
 }

Core/GDCore/Extensions/Builtin/WindowExtension.cpp

@@ -14,13 +14,17 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
   extension
       .SetExtensionInformation(
           "BuiltinWindow",
-          _("Window features"),
+          _("Game window and resolution"),
           "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)")
       .SetExtensionHelpPath("/all-features/window");
+  extension
+      .AddInstructionOrExpressionGroupMetadata(
+          _("Game window and resolution"))
+      .SetIcon("res/actions/window24.png");
 
   extension
       .AddAction(
@@ -28,7 +32,7 @@ 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", "")
@@ -44,7 +48,7 @@ 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", "");
@@ -56,7 +60,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                    "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", "")
@@ -72,7 +76,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                    "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", "")
@@ -89,7 +93,7 @@ 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", "")
@@ -106,7 +110,7 @@ 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", "");
@@ -118,7 +122,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                    "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", "")
@@ -139,7 +143,7 @@ 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", "")
@@ -152,7 +156,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                  _("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", "")
@@ -163,7 +167,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsWindowExtension(
                  _("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", "")
@@ -174,7 +178,7 @@ 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", "");
 
@@ -183,7 +187,7 @@ 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", "");
 
@@ -191,27 +195,27 @@ 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

@@ -234,6 +234,40 @@ 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"
@@ -250,27 +284,6 @@ 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);
 }

Core/GDCore/Extensions/Metadata/BehaviorMetadata.h

@@ -250,6 +250,27 @@ class GD_CORE_API BehaviorMetadata {
     return sharedDatasInstance.get();
   }
 
+  /**
+   * \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;

Core/GDCore/Extensions/Metadata/ExpressionMetadata.cpp

@@ -72,4 +72,11 @@ gd::ExpressionMetadata& ExpressionMetadata::AddCodeOnlyParameter(
   return *this;
 }
 
+
+gd::ExpressionMetadata& ExpressionMetadata::SetRequiresBaseObjectCapability(
+    const gd::String& capability) {
+  requiredBaseObjectCapability = capability;
+  return *this;
+}
+
 }  // namespace gd

Core/GDCore/Extensions/Metadata/ExpressionMetadata.h

@@ -222,6 +222,23 @@ class GD_CORE_API ExpressionMetadata {
     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.
@@ -273,6 +290,7 @@ class GD_CORE_API ExpressionMetadata {
   gd::String smallIconFilename;
   gd::String extensionNamespace;
   bool isPrivate;
+  gd::String requiredBaseObjectCapability;
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Metadata/InstructionMetadata.cpp

@@ -10,6 +10,7 @@
 #include "GDCore/CommonTools.h"
 #include "GDCore/Serialization/SerializerElement.h"
 #include "GDCore/Tools/Localization.h"
+#include "GDCore/Tools/Log.h"
 #include "ParameterMetadata.h"
 
 namespace gd {
@@ -66,8 +67,9 @@ InstructionMetadata& InstructionMetadata::AddParameter(
           ? (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
 
@@ -93,32 +95,55 @@ InstructionMetadata& InstructionMetadata::UseStandardOperatorParameters(
     const gd::String& type) {
   SetManipulatedType(type);
 
-  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 (type == "boolean") {
+    AddParameter("yesorno", _("New value"));
+    size_t valueParamIndex = parameters.size() - 1;
 
-  if (isObjectInstruction || isBehaviorInstruction) {
-    gd::String templateSentence =
-        _("Change <subject> of _PARAM0_: <operator> <value>");
+    if (isObjectInstruction || isBehaviorInstruction) {
+      gd::String templateSentence = _("Set _PARAM0_ as <subject>: <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("<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) + "_");
+    }
   } else {
-    gd::String templateSentence = _("Change <subject>: <operator> <value>");
+    AddParameter("operator", _("Modification's sign"), type);
+    AddParameter(type == "number" ? "expression" : type, _("Value"));
 
-    sentence =
-        templateSentence.FindAndReplace("<subject>", sentence)
-            .FindAndReplace(
-                "<operator>",
-                "_PARAM" + gd::String::From(operatorParamIndex) + "_")
-            .FindAndReplace("<value>",
-                            "_PARAM" + gd::String::From(valueParamIndex) + "_");
+    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) + "_");
+    }
   }
 
   return *this;
@@ -129,34 +154,62 @@ InstructionMetadata::UseStandardRelationalOperatorParameters(
     const gd::String& type) {
   SetManipulatedType(type);
 
-  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;
+  if (type == "boolean") {
+    if (isObjectInstruction || isBehaviorInstruction) {
+      gd::String templateSentence = _("_PARAM0_ is <subject>");
 
-  if (isObjectInstruction || isBehaviorInstruction) {
-    gd::String templateSentence = _("<subject> of _PARAM0_ <operator> <value>");
+      sentence =
+          templateSentence
+              .FindAndReplace("<subject>", sentence);
+    } else {
+      gd::String templateSentence = _("<subject>");
 
-    sentence =
-        templateSentence.FindAndReplace("<subject>", sentence)
-            .FindAndReplace(
-                "<operator>",
-                "_PARAM" + gd::String::From(operatorParamIndex) + "_")
-            .FindAndReplace("<value>",
-                            "_PARAM" + gd::String::From(valueParamIndex) + "_");
+      sentence =
+          templateSentence.FindAndReplace("<subject>", sentence);
+    }
   } else {
-    gd::String templateSentence = _("<subject> <operator> <value>");
+    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)
-            .FindAndReplace(
-                "<operator>",
-                "_PARAM" + gd::String::From(operatorParamIndex) + "_")
-            .FindAndReplace("<value>",
-                            "_PARAM" + gd::String::From(valueParamIndex) + "_");
+    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) + "_");
+    }
   }
 
   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

@@ -138,18 +138,19 @@ 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.
@@ -197,8 +198,7 @@ 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;
   };
 
@@ -236,16 +236,29 @@ 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;
-  }
+  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;
+  };
 
   /**
    * \brief Consider that the instruction is easy for a user to understand.
@@ -450,6 +463,7 @@ class GD_CORE_API InstructionMetadata {
   bool isPrivate;
   bool isObjectInstruction;
   bool isBehaviorInstruction;
+  gd::String requiredBaseObjectCapability;
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Metadata/InstructionOrExpressionGroupMetadata.h

@@ -0,0 +1,31 @@
+/*
+ * 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/MultipleInstructionMetadata.h

@@ -31,6 +31,11 @@ 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
@@ -96,6 +101,17 @@ 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
@@ -179,6 +195,9 @@ 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

@@ -261,23 +261,14 @@ ObjectMetadata::AddExpressionAndConditionAndAction(
     const gd::String& sentenceName,
     const gd::String& group,
     const gd::String& icon) {
-  gd::String expressionDescriptionTemplate = _("Return <subject>.");
-  auto& expression =
-      type == "number"
-          ? AddExpression(name,
-                          fullname,
-                          expressionDescriptionTemplate.FindAndReplace(
-                              "<subject>", descriptionSubject),
-                          group,
-                          icon)
-          : AddStrExpression(name,
-                             fullname,
-                             expressionDescriptionTemplate.FindAndReplace(
-                                 "<subject>", descriptionSubject),
-                             group,
-                             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 = _("Compare <subject>.");
+  gd::String conditionDescriptionTemplate =
+      type == "boolean" ? _("Check if <subject>.") : _("Compare <subject>.");
   auto& condition =
       AddScopedCondition(name,
                          fullname,
@@ -288,7 +279,9 @@ ObjectMetadata::AddExpressionAndConditionAndAction(
                          icon,
                          icon);
 
-  gd::String actionDescriptionTemplate = _("Change <subject>.");
+  gd::String actionDescriptionTemplate = type == "boolean"
+                                             ? _("Set (or unset) if <subject>.")
+                                             : _("Change <subject>.");
   auto& action = AddScopedAction(
       "Set" + name,
       fullname,
@@ -298,6 +291,27 @@ ObjectMetadata::AddExpressionAndConditionAndAction(
       icon,
       icon);
 
+
+  if (type == "boolean") {
+    return MultipleInstructionMetadata::WithConditionAndAction(condition, action);
+  }
+
+  gd::String expressionDescriptionTemplate = _("Return <subject>.");
+  auto& expression =
+      type == "number"
+          ? AddExpression(name,
+                          fullname,
+                          expressionDescriptionTemplate.FindAndReplace(
+                              "<subject>", descriptionSubject),
+                          group,
+                          icon)
+          : AddStrExpression(name,
+                            fullname,
+                            expressionDescriptionTemplate.FindAndReplace(
+                                "<subject>", descriptionSubject),
+                            group,
+                            icon);
+
   return MultipleInstructionMetadata::WithExpressionAndConditionAndAction(
       expression, condition, action);
 }

Core/GDCore/Extensions/Metadata/ObjectMetadata.h

@@ -7,6 +7,7 @@
 #define OBJECTMETADATA_H
 #include <functional>
 #include <map>
+#include <set>
 #include <memory>
 
 #include "GDCore/Extensions/Metadata/ExpressionMetadata.h"
@@ -200,13 +201,48 @@ 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
@@ -227,7 +263,27 @@ class GD_CORE_API ObjectMetadata {
    */
   ObjectMetadata& AddIncludeFile(const gd::String& includeFile);
 
-#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).
+   */
+  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; };
+
   std::map<gd::String, gd::InstructionMetadata> conditionsInfos;
   std::map<gd::String, gd::InstructionMetadata> actionsInfos;
   std::map<gd::String, gd::ExpressionMetadata> expressionsInfos;
@@ -235,19 +291,19 @@ 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;
-#endif
+  gd::String categoryFullName;
+  std::set<gd::String> unsupportedBaseObjectCapabilities;
+
   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

Core/GDCore/Extensions/Metadata/ParameterMetadata.h

@@ -9,6 +9,7 @@
 #if defined(GD_IDE_ONLY)
 #include <map>
 #include <memory>
+
 #include "GDCore/String.h"
 namespace gd {
 class Project;
@@ -151,15 +152,16 @@ class GD_CORE_API ParameterMetadata {
   }
 
   /**
-   * \brief Return true if the type of the parameter is "object", "objectPtr" or
-   * "objectList".
+   * \brief Return true if the type of the parameter is representing one object
+   * (or more, i.e: an object group).
    *
    * \see gd::ParameterMetadata::GetType
    */
   static bool IsObject(const gd::String &parameterType) {
     return parameterType == "object" || parameterType == "objectPtr" ||
            parameterType == "objectList" ||
-           parameterType == "objectListWithoutPicking";
+           parameterType == "objectListOrEmptyIfJustDeclared" ||
+           parameterType == "objectListOrEmptyWithoutPicking";
   }
 
   /**
@@ -194,7 +196,10 @@ class GD_CORE_API ParameterMetadata {
              parameterType == "objectEffectName" ||
              parameterType == "objectEffectParameterName" ||
              parameterType == "objectPointName" ||
-             parameterType == "objectAnimationName";
+             parameterType == "objectAnimationName" ||
+             parameterType == "functionParameterName" ||
+             parameterType == "externalLayoutName" ||
+             parameterType == "leaderboardId";
     } else if (type == "variable") {
       return parameterType == "objectvar" || parameterType == "globalvar" ||
              parameterType == "scenevar";

Core/GDCore/Extensions/Platform.cpp

@@ -4,6 +4,7 @@
  * reserved. This project is released under the MIT License.
  */
 #include "Platform.h"
+
 #include "GDCore/Extensions/PlatformExtension.h"
 #include "GDCore/Project/Object.h"
 #include "GDCore/String.h"
@@ -14,16 +15,21 @@ using namespace std;
 
 namespace gd {
 
-Platform::Platform(): enableExtensionLoadingLogs(false) {}
+InstructionOrExpressionGroupMetadata
+    Platform::badInstructionOrExpressionGroupMetadata;
+
+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;
@@ -38,6 +44,11 @@ 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;
 }
 

Core/GDCore/Extensions/Platform.h

@@ -9,8 +9,9 @@
 #include <map>
 #include <memory>
 #include <vector>
-#include "GDCore/String.h"
 
+#include "GDCore/Extensions/Metadata/InstructionOrExpressionGroupMetadata.h"
+#include "GDCore/String.h"
 namespace gd {
 class InstructionsMetadataHolder;
 class Project;
@@ -52,7 +53,6 @@ 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.
    */
@@ -67,7 +67,6 @@ 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
@@ -123,6 +122,19 @@ 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
@@ -137,7 +149,6 @@ class GD_CORE_API Platform {
   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
    */
@@ -149,28 +160,18 @@ 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; };
-
-  /**
-   * \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
+  void EnableExtensionLoadingLogs(bool enable) {
+    enableExtensionLoadingLogs = enable;
+  };
 
  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

@@ -165,6 +165,40 @@ 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"
@@ -175,32 +209,11 @@ PlatformExtension::AddExpressionAndConditionAndAction(
                           group,
                           icon)
           : AddStrExpression(name,
-                             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);
+                              fullname,
+                              expressionDescriptionTemplate.FindAndReplace(
+                                  "<subject>", descriptionSubject),
+                              group,
+                              icon);
 
   return MultipleInstructionMetadata::WithExpressionAndConditionAndAction(
       expression, condition, action);
@@ -372,9 +385,13 @@ gd::InstructionMetadata& PlatformExtension::AddDuplicatedAction(
 }
 
 gd::InstructionMetadata& PlatformExtension::AddDuplicatedCondition(
-    const gd::String& newConditionName, const gd::String& copiedConditionName) {
-  gd::String newNameWithNamespace = GetNameSpace() + newConditionName;
-  gd::String copiedNameWithNamespace = GetNameSpace() + copiedConditionName;
+    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;
 
   auto copiedCondition = conditionsInfos.find(copiedNameWithNamespace);
   if (copiedCondition == conditionsInfos.end()) {
@@ -512,7 +529,8 @@ 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>()) {
@@ -754,7 +772,8 @@ void PlatformExtension::StripUnimplementedInstructionsAndExpressions() {
 }
 #endif
 
-PlatformExtension::PlatformExtension() : deprecated(false) {}
+PlatformExtension::PlatformExtension()
+    : deprecated(false), category(_("General")) {}
 
 PlatformExtension::~PlatformExtension() {}
 

Core/GDCore/Extensions/PlatformExtension.h

@@ -5,8 +5,7 @@
  * project is released under the MIT License.
  */
 
-#ifndef GDCORE_PLATFORMEXTENSION_H
-#define GDCORE_PLATFORMEXTENSION_H
+#pragma once
 #include <map>
 #include <memory>
 #include <vector>
@@ -16,6 +15,7 @@
 #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"
@@ -71,6 +71,10 @@ class GD_CORE_API CompilationInfo {
   int sizeOfpInt;
 };
 
+struct GD_CORE_API DuplicatedInstructionOptions {
+  bool unscoped;
+};
+
 /**
  * \brief Base class for implementing platform's extensions.
  *
@@ -105,10 +109,18 @@ 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
-   * "http://wiki.compilgames.net/doku.php/gdevelop5/all-features/collisions".
+   * "https://wiki.gdevelop.io/gdevelop5/all-features/collisions".
    *
    * The instructions, objects and behaviors will have this help path set by
    * default, unless you call SetHelpPath on them.
@@ -271,7 +283,6 @@ 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.
    *
@@ -288,7 +299,8 @@ class GD_CORE_API PlatformExtension {
    */
   gd::InstructionMetadata& AddDuplicatedCondition(
       const gd::String& newConditionName,
-      const gd::String& copiedConditionName);
+      const gd::String& copiedConditionName,
+      gd::DuplicatedInstructionOptions options = {.unscoped = false});
   /**
    * \brief Create a new expression which is the duplicate of the specified one.
    *
@@ -315,7 +327,15 @@ class GD_CORE_API PlatformExtension {
   gd::PropertyDescriptor& RegisterProperty(const gd::String& name) {
     return extensionPropertiesMetadata[name];
   };
-#endif
+
+  /**
+   * \brief Add some metadata (icon, etc...) for a group used for instructions
+   * or expressions.
+   */
+  InstructionOrExpressionGroupMetadata& AddInstructionOrExpressionGroupMetadata(
+      const gd::String& name) {
+    return instructionOrExpressionGroupMetadata[name];
+  }
 
   /**
    * \brief Delete all instructions having no function name or custom code
@@ -339,6 +359,11 @@ 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
    */
@@ -452,7 +477,6 @@ 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).
@@ -537,8 +561,16 @@ 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
@@ -566,6 +598,7 @@ 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
@@ -577,7 +610,6 @@ 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;
@@ -585,12 +617,12 @@ class GD_CORE_API PlatformExtension {
   std::vector<gd::DependencyMetadata> extensionDependenciesMetadata;
   std::map<gd::String, gd::EventMetadata> eventsInfos;
   std::map<gd::String, gd::PropertyDescriptor> extensionPropertiesMetadata;
-#endif
+  std::map<gd::String, InstructionOrExpressionGroupMetadata>
+      instructionOrExpressionGroupMetadata;
 
   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
@@ -600,12 +632,10 @@ 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
  */
@@ -619,23 +649,5 @@ 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/IDE/Events/EventsListUnfolder.h

@@ -19,4 +19,34 @@ class GD_CORE_API EventsListUnfolder {
       }
     }
   }
+
+  static void FoldAll(gd::EventsList& list) {
+    for (size_t i = 0; i < list.size(); ++i) {
+      gd::BaseEvent& event = list[i];
+      event.SetFolded(true);
+      if (event.CanHaveSubEvents() && event.GetSubEvents().size() > 0) {
+        FoldAll(event.GetSubEvents());
+      }
+    }
+  }
+
+  /**
+   * \brief Recursively unfold all the events until a certain level of depth.
+   * 0 is the top level. If you want to unfold all events regardless of its depth,
+   * use `maxLevel = -1`. `currentLevel` is used for the recursion.
+   */
+  static void UnfoldToLevel(gd::EventsList& list,
+                            const int8_t maxLevel,
+                            const std::size_t currentLevel = 0) {
+    if (maxLevel >= 0 && currentLevel > maxLevel) return;
+
+    for (size_t i = 0; i < list.size(); ++i) {
+      gd::BaseEvent& event = list[i];
+      event.SetFolded(false);
+      if (event.CanHaveSubEvents() && event.GetSubEvents().size() > 0 &&
+          (maxLevel == -1 || currentLevel <= maxLevel)) {
+        UnfoldToLevel(event.GetSubEvents(), maxLevel, currentLevel + 1);
+      }
+    }
+  }
 };

Core/GDCore/IDE/Events/EventsPositionFinder.cpp

@@ -0,0 +1,27 @@
+#include "GDCore/IDE/Events/EventsPositionFinder.h"
+
+#include <map>
+#include <memory>
+#include <vector>
+
+#include "GDCore/Events/Event.h"
+#include "GDCore/Events/EventsList.h"
+#include "GDCore/String.h"
+
+namespace gd {
+class BaseEvent;
+class EventsList;
+}  // namespace gd
+
+namespace gd {
+bool EventsPositionFinder::DoVisitEvent(gd::BaseEvent& event) {
+  auto it = std::find(searchedEvents.begin(), searchedEvents.end(), &event);
+  if (it != searchedEvents.end()) {
+    positions[it - searchedEvents.begin()] = index;
+  }
+  index++;
+  return false;
+}
+EventsPositionFinder::~EventsPositionFinder() {}
+
+}  // namespace gd

Core/GDCore/IDE/Events/EventsPositionFinder.h

@@ -0,0 +1,48 @@
+#ifndef EventsPositionFinder_H
+#define EventsPositionFinder_H
+#include "GDCore/Events/EventsList.h"
+#include "GDCore/IDE/Events/ArbitraryEventsWorker.h"
+#include "GDCore/String.h"
+
+namespace gd {
+class BaseEvent;
+class EventsList;
+}  // namespace gd
+
+namespace gd {
+
+/**
+ * \brief Scans an event list to retrieve the position of a list of searched
+ * events when the events list is flattened.
+ *
+ * \ingroup IDE
+ */
+class GD_CORE_API EventsPositionFinder : public ArbitraryEventsWorker {
+ public:
+  EventsPositionFinder() : index(0){};
+  virtual ~EventsPositionFinder();
+
+  /**
+   * Return the positions of all searched events
+   */
+  const std::vector<std::size_t>& GetPositions() const { return positions; }
+
+  /**
+   * Add an event for which the position must be reported in `GetPositions`.
+   */
+  void AddEventToSearch(gd::BaseEvent* event) {
+    searchedEvents.push_back(event);
+    positions.push_back(gd::String::npos);
+  }
+
+ private:
+  bool DoVisitEvent(gd::BaseEvent& event) override;
+
+  std::vector<gd::BaseEvent*> searchedEvents;
+  std::vector<std::size_t> positions;
+  std::size_t index;
+};
+
+}  // namespace gd
+
+#endif  // EventsPositionFinder_H

Core/GDCore/IDE/Events/EventsRefactorer.cpp

@@ -542,7 +542,8 @@ void EventsRefactorer::ReplaceStringInEvents(gd::ObjectsContainer& project,
                                              gd::String newString,
                                              bool matchCase,
                                              bool inConditions,
-                                             bool inActions) {
+                                             bool inActions,
+                                             bool inEventStrings) {
   for (std::size_t i = 0; i < events.size(); ++i) {
     if (inConditions) {
       vector<gd::InstructionsList*> conditionsVectors =
@@ -571,6 +572,11 @@ void EventsRefactorer::ReplaceStringInEvents(gd::ObjectsContainer& project,
       }
     }
 
+    if (inEventStrings) {
+      bool eventStringModified = ReplaceStringInEventSearchableStrings(
+          project, layout, events[i], toReplace, newString, matchCase);
+    }
+
     if (events[i].CanHaveSubEvents())
       ReplaceStringInEvents(project,
                             layout,
@@ -579,7 +585,8 @@ void EventsRefactorer::ReplaceStringInEvents(gd::ObjectsContainer& project,
                             newString,
                             matchCase,
                             inConditions,
-                            inActions);
+                            inActions,
+                            inEventStrings);
   }
 }
 
@@ -677,6 +684,29 @@ bool EventsRefactorer::ReplaceStringInConditions(
   return somethingModified;
 }
 
+bool EventsRefactorer::ReplaceStringInEventSearchableStrings(
+    gd::ObjectsContainer& project,
+    gd::ObjectsContainer& layout,
+    gd::BaseEvent& event,
+    gd::String toReplace,
+    gd::String newString,
+    bool matchCase) {
+  vector<gd::String> newEventStrings;
+  vector<gd::String> stringEvent = event.GetAllSearchableStrings();
+
+  for (std::size_t sNb = 0; sNb < stringEvent.size(); ++sNb) {
+    gd::String newStringEvent =
+        matchCase ? stringEvent[sNb].FindAndReplace(toReplace, newString, true)
+                  : ReplaceAllOccurencesCaseUnsensitive(
+                        stringEvent[sNb], toReplace, newString);
+    newEventStrings.push_back(newStringEvent);
+  }
+
+  bool somethingModified = event.ReplaceAllSearchableStrings(newEventStrings);
+
+  return somethingModified;
+}
+
 vector<EventsSearchResult> EventsRefactorer::SearchInEvents(
     const gd::Platform& platform,
     gd::EventsList& events,

Core/GDCore/IDE/Events/EventsRefactorer.h

@@ -117,7 +117,8 @@ class GD_CORE_API EventsRefactorer {
                                     gd::String newString,
                                     bool matchCase,
                                     bool inConditions,
-                                    bool inActions);
+                                    bool inActions,
+                                    bool inEventString);
 
   virtual ~EventsRefactorer(){};
 
@@ -208,6 +209,20 @@ class GD_CORE_API EventsRefactorer {
                                      gd::String newString,
                                      bool matchCase);
 
+  /**
+   * Replace all occurrences of a gd::String in strings of events (for example:
+   * comments and name of groups).
+   *
+   * \return true if something was modified.
+   */
+  static bool ReplaceStringInEventSearchableStrings(
+      gd::ObjectsContainer& project,
+      gd::ObjectsContainer& layout,
+      gd::BaseEvent& event,
+      gd::String toReplace,
+      gd::String newString,
+      bool matchCase);
+
   static bool SearchStringInFormattedText(const gd::Platform& platform,
                                           gd::Instruction& instruction,
                                           gd::String search,

Core/GDCore/IDE/Events/ExpressionsParameterMover.cpp

@@ -95,7 +95,7 @@ class GD_CORE_API ExpressionParameterMover
         // Move parameter of an object function
         const gd::String& thisObjectType = gd::GetTypeOfObject(
             globalObjectsContainer, objectsContainer, node.objectName);
-        if (thisObjectType == behaviorType) {
+        if (thisObjectType == objectType) {
           moveParameter(node.parameters);
           hasDoneMoving = true;
         }

Core/GDCore/IDE/PlatformManager.cpp

@@ -33,11 +33,4 @@ gd::Platform* PlatformManager::GetPlatform(
   return NULL;
 }
 
-void PlatformManager::NotifyPlatformIDEInitialized() const {
-  for (std::size_t i = 0; i < platformsLoaded.size(); ++i) {
-    if (platformsLoaded[i] != std::shared_ptr<gd::Platform>())
-      platformsLoaded[i]->OnIDEInitialized();
-  }
-}
-
 }  // namespace gd

Core/GDCore/IDE/PlatformManager.h

@@ -43,12 +43,6 @@ class GD_CORE_API PlatformManager {
     return platformsLoaded;
   };
 
-  /**
-   * \brief Notify each platform that the IDE is ready, by calling their
-   * OnIDEInitialized member function.
-   */
-  void NotifyPlatformIDEInitialized() const;
-
   static PlatformManager *Get() {
     if (NULL == _singleton) {
       _singleton = new PlatformManager;
@@ -65,11 +59,6 @@ class GD_CORE_API PlatformManager {
    */
   static void DestroySingleton() {
     if (NULL != _singleton) {
-      for (std::size_t i = 0; i < _singleton->platformsLoaded.size(); ++i) {
-        if (_singleton->platformsLoaded[i] != std::shared_ptr<gd::Platform>())
-          _singleton->platformsLoaded[i]->OnIDEClosed();
-      }
-
       delete _singleton;
       _singleton = NULL;
     }

Core/GDCore/IDE/Project/ArbitraryResourceWorker.cpp

@@ -30,6 +30,16 @@ void ArbitraryResourceWorker::ExposeImage(gd::String& imageName){
     // do.
 };
 
+void ArbitraryResourceWorker::ExposeJson(gd::String& jsonName){
+    // Nothing to do by default - each child class can define here the action to
+    // do.
+};
+
+void ArbitraryResourceWorker::ExposeVideo(gd::String& videoName){
+    // Nothing to do by default - each child class can define here the action to
+    // do.
+};
+
 void ArbitraryResourceWorker::ExposeBitmapFont(gd::String& bitmapFontName){
     // Nothing to do by default - each child class can define here the action to
     // do.

Core/GDCore/IDE/Project/ArbitraryResourceWorker.h

@@ -70,6 +70,16 @@ class GD_CORE_API ArbitraryResourceWorker {
    */
   virtual void ExposeFont(gd::String &fontName);
 
+  /**
+   * \brief Expose a JSON, which is always a reference to a "json" resource.
+   */
+  virtual void ExposeJson(gd::String &jsonName);
+
+  /**
+   * \brief Expose a video, which is always a reference to a "video" resource.
+   */
+  virtual void ExposeVideo(gd::String &videoName);
+
   /**
    * \brief Expose a bitmap font, which is always a reference to a "bitmapFont" resource.
    */

Core/GDCore/IDE/Project/ResourcesInUseHelper.h

@@ -10,6 +10,7 @@
 
 #include <set>
 #include <vector>
+
 #include "GDCore/IDE/Project/ArbitraryResourceWorker.h"
 #include "GDCore/String.h"
 
@@ -36,17 +37,20 @@ class ResourcesInUseHelper : public gd::ArbitraryResourceWorker {
   virtual ~ResourcesInUseHelper(){};
 
   std::set<gd::String>& GetAllImages() { return GetAll("image"); };
-  std::set<gd::String>& GetAllFonts() { return GetAll("font"); };
   std::set<gd::String>& GetAllAudios() { return GetAll("audio"); };
+  std::set<gd::String>& GetAllFonts() { return GetAll("font"); };
+  std::set<gd::String>& GetAllJsons() { return GetAll("json"); };
+  std::set<gd::String>& GetAllVideos() { return GetAll("video"); };
   std::set<gd::String>& GetAllBitmapFonts() { return GetAll("bitmapFont"); };
   std::set<gd::String>& GetAll(const gd::String& resourceType) {
-    return resourceType == "image"
-               ? allImages
-               : (resourceType == "audio"
-                      ? allAudios
-                      : (resourceType == "font")
-                            ? allFonts
-                            : (resourceType == "bitmapFont") ? allBitmapFonts : emptyResources);
+    if (resourceType == "image") return allImages;
+    if (resourceType == "audio") return allAudios;
+    if (resourceType == "font") return allFonts;
+    if (resourceType == "json") return allJsons;
+    if (resourceType == "video") return allVideos;
+    if (resourceType == "bitmapFont") return allBitmapFonts;
+
+    return emptyResources;
   };
 
   virtual void ExposeFile(gd::String& resource) override{
@@ -61,6 +65,12 @@ class ResourcesInUseHelper : public gd::ArbitraryResourceWorker {
   virtual void ExposeFont(gd::String& fontResourceName) override {
     allFonts.insert(fontResourceName);
   };
+  virtual void ExposeJson(gd::String& jsonResourceName) override {
+    allJsons.insert(jsonResourceName);
+  };
+  virtual void ExposeVideo(gd::String& videoResourceName) override {
+    allVideos.insert(videoResourceName);
+  };
   virtual void ExposeBitmapFont(gd::String& bitmapFontResourceName) override {
     allBitmapFonts.insert(bitmapFontResourceName);
   };
@@ -69,6 +79,8 @@ class ResourcesInUseHelper : public gd::ArbitraryResourceWorker {
   std::set<gd::String> allImages;
   std::set<gd::String> allAudios;
   std::set<gd::String> allFonts;
+  std::set<gd::String> allJsons;
+  std::set<gd::String> allVideos;
   std::set<gd::String> allBitmapFonts;
   std::set<gd::String> emptyResources;
 };

Core/GDCore/IDE/Project/ResourcesRenamer.h

@@ -46,6 +46,12 @@ class ResourcesRenamer : public gd::ArbitraryResourceWorker {
   virtual void ExposeFont(gd::String& fontResourceName) override {
     RenameIfNeeded(fontResourceName);
   };
+  virtual void ExposeJson(gd::String& jsonResourceName) override {
+    RenameIfNeeded(jsonResourceName);
+  };
+  virtual void ExposeVideo(gd::String& videoResourceName) override {
+    RenameIfNeeded(videoResourceName);
+  };
   virtual void ExposeBitmapFont(gd::String& bitmapFontName) override {
     RenameIfNeeded(bitmapFontName);
   };

Core/GDCore/Project/EventsFunction.cpp

@@ -17,6 +17,7 @@ void EventsFunction::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("fullName", fullName);
   element.SetAttribute("description", description);
   element.SetAttribute("sentence", sentence);
+  element.SetAttribute("group", group);
   element.SetBoolAttribute("private", isPrivate);
   events.SerializeTo(element.AddChild("events"));
 
@@ -44,6 +45,7 @@ void EventsFunction::UnserializeFrom(gd::Project& project,
   fullName = element.GetStringAttribute("fullName");
   description = element.GetStringAttribute("description");
   sentence = element.GetStringAttribute("sentence");
+  group = element.GetStringAttribute("group");
   isPrivate = element.GetBoolAttribute("private");
   events.UnserializeFrom(project, element.GetChild("events"));
 

Core/GDCore/Project/EventsFunction.h

@@ -102,6 +102,19 @@ class GD_CORE_API EventsFunction {
     return *this;
   }
 
+  /**
+   * \brief Get the group of the instruction in the editor.
+   */
+  const gd::String& GetGroup() const { return group; };
+
+  /**
+   * \brief Set the group of the instruction in the editor.
+   */
+  EventsFunction& SetGroup(const gd::String& group_) {
+    group = group_;
+    return *this;
+  }
+
   enum FunctionType { Action, Condition, Expression, StringExpression };
 
   /**
@@ -188,6 +201,7 @@ class GD_CORE_API EventsFunction {
   gd::String fullName;
   gd::String description;
   gd::String sentence;
+  gd::String group;
   gd::EventsList events;
   FunctionType functionType;
   std::vector<gd::ParameterMetadata> parameters;

Core/GDCore/Project/EventsFunctionsExtension.cpp

@@ -3,7 +3,6 @@
  * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
  * reserved. This project is released under the MIT License.
  */
-#if defined(GD_IDE_ONLY)
 #include "EventsFunctionsExtension.h"
 
 #include "EventsBasedBehavior.h"
@@ -34,6 +33,7 @@ void EventsFunctionsExtension::Init(const gd::EventsFunctionsExtension& other) {
   description = other.description;
   name = other.name;
   fullName = other.fullName;
+  category = other.category;
   tags = other.tags;
   author = other.author;
   authorIds = other.authorIds;
@@ -51,6 +51,12 @@ void EventsFunctionsExtension::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("description", description);
   element.SetAttribute("name", name);
   element.SetAttribute("fullName", fullName);
+  element.SetAttribute("category", category);
+  if (!originName.empty() || !originIdentifier.empty()) {
+    element.AddChild("origin")
+        .SetAttribute("name", originName)
+        .SetAttribute("identifier", originIdentifier);
+  }
   auto& tagsElement = element.AddChild("tags");
   tagsElement.ConsiderAsArray();
   for (const auto& tag : tags) {
@@ -83,11 +89,20 @@ void EventsFunctionsExtension::UnserializeFrom(
   description = element.GetStringAttribute("description");
   name = element.GetStringAttribute("name");
   fullName = element.GetStringAttribute("fullName");
+  category = element.GetStringAttribute("category");
   author = element.GetStringAttribute("author");
   previewIconUrl = element.GetStringAttribute("previewIconUrl");
   iconUrl = element.GetStringAttribute("iconUrl");
   helpPath = element.GetStringAttribute("helpPath");
 
+  if (element.HasChild("origin")) {
+    gd::String originName =
+        element.GetChild("origin").GetStringAttribute("name", "");
+    gd::String originIdentifier =
+        element.GetChild("origin").GetStringAttribute("identifier", "");
+    SetOrigin(originName, originIdentifier);
+  }
+
   tags.clear();
   auto& tagsElement = element.GetChild("tags");
   if (!tagsElement.IsValueUndefined()) {
@@ -138,5 +153,3 @@ bool EventsFunctionsExtension::IsExtensionLifecycleEventsFunction(
 }
 
 }  // namespace gd
-
-#endif

Core/GDCore/Project/EventsFunctionsExtension.h

@@ -3,7 +3,6 @@
  * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
  * reserved. This project is released under the MIT License.
  */
-#if defined(GD_IDE_ONLY)
 #ifndef GDCORE_EVENTSFUNCTIONEXTENSION_H
 #define GDCORE_EVENTSFUNCTIONEXTENSION_H
 
@@ -85,6 +84,12 @@ class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
     return *this;
   }
 
+  const gd::String& GetCategory() const { return category; };
+  EventsFunctionsExtension& SetCategory(const gd::String& category_) {
+    category = category_;
+    return *this;
+  }
+
   const std::vector<gd::String>& GetTags() const { return tags; };
   std::vector<gd::String>& GetTags() { return tags; };
 
@@ -140,6 +145,23 @@ class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
     return eventsBasedBehaviors;
   }
 
+  /**
+   * \brief Sets an extension origin. This method is not present since the
+   * beginning so the projects created before that will have extensions
+   * installed from the store without an origin. Keep that in mind when creating
+   * features that rely on an extension's origin.
+   */
+  virtual void SetOrigin(const gd::String& originName_,
+                         const gd::String& originIdentifier_) {
+    originName = originName_;
+    originIdentifier = originIdentifier_;
+  }
+
+  virtual const gd::String& GetOriginName() const { return originName; }
+  virtual const gd::String& GetOriginIdentifier() const {
+    return originIdentifier;
+  }
+
   /** \name Dependencies
    */
   ///@{
@@ -222,10 +244,13 @@ class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
   gd::String description;
   gd::String name;
   gd::String fullName;
+  gd::String category;
   std::vector<gd::String> tags;
   std::vector<gd::String> authorIds;
   gd::String author;
   gd::String previewIconUrl;
+  gd::String originName;
+  gd::String originIdentifier;
   gd::String iconUrl;
   gd::String helpPath;  ///< The relative path to the help for this extension in
                         ///< the documentation (or an absolute URL).
@@ -236,4 +261,3 @@ class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
 }  // namespace gd
 
 #endif  // GDCORE_EVENTSFUNCTIONEXTENSION_H
-#endif

Core/GDCore/Project/Layout.h

@@ -217,7 +217,7 @@ class GD_CORE_API Layout : public ObjectsContainer {
   /**
    * Must add a new the layer constructed from the layout passed as parameter.
    * \note No pointer or reference must be kept on the layer passed as
-   * parameter. \param theLayer The the layer that must be copied and inserted
+   * parameter. \param theLayer the layer that must be copied and inserted
    * into the project \param position Insertion position. Even if the position
    * is invalid, the layer must be inserted at the end of the layers list.
    */

Core/GDCore/Project/Project.cpp

@@ -66,6 +66,9 @@ Project::Project()
       projectUuid(""),
       useDeprecatedZeroAsDefaultZOrder(false),
       useExternalSourceFiles(false),
+      isPlayableWithKeyboard(false),
+      isPlayableWithGamepad(false),
+      isPlayableWithMobile(false),
       currentPlatform(NULL),
       gdMajorVersion(gd::VersionWrapper::Major()),
       gdMinorVersion(gd::VersionWrapper::Minor()),
@@ -495,6 +498,7 @@ void Project::UnserializeFrom(const SerializerElement& element) {
   const SerializerElement& propElement =
       element.GetChild("properties", 0, "Info");
   SetName(propElement.GetChild("name", 0, "Nom").GetValue().GetString());
+  SetDescription(propElement.GetChild("description", 0).GetValue().GetString());
   SetVersion(propElement.GetStringAttribute("version", "1.0.0"));
   SetGameResolutionSize(
       propElement.GetChild("windowWidth", 0, "WindowW").GetValue().GetInt(),
@@ -535,6 +539,27 @@ void Project::UnserializeFrom(const SerializerElement& element) {
     authorIds.push_back(authorIdsElement.GetChild(i).GetStringValue());
   }
 
+  categories.clear();
+  auto& categoriesElement = propElement.GetChild("categories");
+  categoriesElement.ConsiderAsArray();
+  for (std::size_t i = 0; i < categoriesElement.GetChildrenCount(); ++i) {
+    categories.push_back(categoriesElement.GetChild(i).GetStringValue());
+  }
+
+  auto& playableDevicesElement = propElement.GetChild("playableDevices");
+  playableDevicesElement.ConsiderAsArray();
+  for (std::size_t i = 0; i < playableDevicesElement.GetChildrenCount(); ++i) {
+    const auto& playableDevice =
+        playableDevicesElement.GetChild(i).GetStringValue();
+    if (playableDevice == "keyboard") {
+      isPlayableWithKeyboard = true;
+    } else if (playableDevice == "gamepad") {
+      isPlayableWithGamepad = true;
+    } else if (playableDevice == "mobile") {
+      isPlayableWithMobile = true;
+    }
+  }
+
   // Compatibility with GD <= 5.0.0-beta101
   if (VersionWrapper::IsOlderOrEqual(
           gdMajorVersion, gdMinorVersion, gdBuildVersion, 0, 4, 0, 98, 0) &&
@@ -634,6 +659,7 @@ void Project::UnserializeFrom(const SerializerElement& element) {
         layoutElement.GetStringAttribute("name", "", "nom"), -1);
     layout.UnserializeFrom(*this, layoutElement);
   }
+  SetFirstLayout(element.GetChild("firstLayout").GetStringValue());
 
   externalEvents.clear();
   const SerializerElement& externalEventsElement =
@@ -703,6 +729,7 @@ void Project::SerializeTo(SerializerElement& element) const {
 
   SerializerElement& propElement = element.AddChild("properties");
   propElement.AddChild("name").SetValue(GetName());
+  propElement.AddChild("description").SetValue(GetDescription());
   propElement.SetAttribute("version", GetVersion());
   propElement.AddChild("author").SetValue(GetAuthor());
   propElement.AddChild("windowWidth").SetValue(GetGameResolutionWidth());
@@ -733,6 +760,24 @@ void Project::SerializeTo(SerializerElement& element) const {
     authorIdsElement.AddChild("").SetStringValue(authorId);
   }
 
+  auto& categoriesElement = propElement.AddChild("categories");
+  categoriesElement.ConsiderAsArray();
+  for (const auto& category : categories) {
+    categoriesElement.AddChild("").SetStringValue(category);
+  }
+
+  auto& playableDevicesElement = propElement.AddChild("playableDevices");
+  playableDevicesElement.ConsiderAsArray();
+  if (isPlayableWithKeyboard) {
+    playableDevicesElement.AddChild("").SetStringValue("keyboard");
+  }
+  if (isPlayableWithGamepad) {
+    playableDevicesElement.AddChild("").SetStringValue("gamepad");
+  }
+  if (isPlayableWithMobile) {
+    playableDevicesElement.AddChild("").SetStringValue("mobile");
+  }
+
   // Compatibility with GD <= 5.0.0-beta101
   if (useDeprecatedZeroAsDefaultZOrder) {
     propElement.SetAttribute("useDeprecatedZeroAsDefaultZOrder", true);
@@ -908,6 +953,9 @@ Project& Project::operator=(const Project& other) {
 
 void Project::Init(const gd::Project& game) {
   name = game.name;
+  categories = game.categories;
+  description = game.description;
+  firstLayout = game.firstLayout;
   version = game.version;
   windowWidth = game.windowWidth;
   windowHeight = game.windowHeight;
@@ -923,6 +971,9 @@ void Project::Init(const gd::Project& game) {
 
   author = game.author;
   authorIds = game.authorIds;
+  isPlayableWithKeyboard = game.isPlayableWithKeyboard;
+  isPlayableWithGamepad = game.isPlayableWithGamepad;
+  isPlayableWithMobile = game.isPlayableWithMobile;
   packageName = game.packageName;
   orientation = game.orientation;
   folderProject = game.folderProject;

Core/GDCore/Project/Project.h

@@ -56,15 +56,35 @@ class GD_CORE_API Project : public ObjectsContainer {
   ///@{
 
   /**
-   * \brief Change project name
+   * \brief Change the project name
    */
   void SetName(const gd::String& name_) { name = name_; };
 
   /**
-   * \brief Get project name
+   * \brief Get the project name
    */
   const gd::String& GetName() const { return name; }
 
+  /**
+   * \brief Get the categories/genres of the project.
+   */
+  const std::vector<gd::String>& GetCategories() const { return categories; };
+
+  /**
+   * \brief Get the categories of the project, to modify them (non-const).
+   */
+  std::vector<gd::String>& GetCategories() { return categories; };
+
+  /**
+   * \brief Change the project description
+   */
+  void SetDescription(const gd::String& description_) { description = description_; };
+
+  /**
+   * \brief Get the project description
+   */
+  const gd::String& GetDescription() const { return description; }
+
   /**
    * \brief Change the version of the project.
    * This can be freely set, but should follow "X.Y.Z" format for compatibility
@@ -73,7 +93,7 @@ class GD_CORE_API Project : public ObjectsContainer {
   void SetVersion(const gd::String& version_) { version = version_; };
 
   /**
-   * \brief Get project version.
+   * \brief Get the project version.
    */
   const gd::String& GetVersion() const { return version; }
 
@@ -83,7 +103,7 @@ class GD_CORE_API Project : public ObjectsContainer {
   void SetAuthor(const gd::String& author_) { author = author_; };
 
   /**
-   * \brief Get project author name.
+   * \brief Get the project author name.
    */
   const gd::String& GetAuthor() const { return author; }
 
@@ -98,14 +118,47 @@ class GD_CORE_API Project : public ObjectsContainer {
   std::vector<gd::String>& GetAuthorIds() { return authorIds; };
 
   /**
-   * \brief Change project package name.
+   * Define the project as playable with a keyboard.
+   * \param enable True to define the project as playable with a keyboard.
+   */
+  void SetPlayableWithKeyboard(bool playable = true) { isPlayableWithKeyboard = playable; }
+
+  /**
+   * Check if the project is defined as playable with a keyboard.
+   */
+  bool IsPlayableWithKeyboard() const { return isPlayableWithKeyboard; }
+
+  /**
+   * Define the project as playable with a gamepad.
+   * \param enable True to define the project as playable with a gamepad.
+   */
+  void SetPlayableWithGamepad(bool playable = true) { isPlayableWithGamepad = playable; }
+
+  /**
+   * Check if the project is defined as playable with a gamepad.
+   */
+  bool IsPlayableWithGamepad() const { return isPlayableWithGamepad; }
+
+  /**
+   * Define the project as playable on a mobile.
+   * \param enable True to define the project as playable on a mobile.
+   */
+  void SetPlayableWithMobile(bool playable = true) { isPlayableWithMobile = playable; }
+
+  /**
+   * Check if the project is defined as playable on a mobile.
+   */
+  bool IsPlayableWithMobile() const { return isPlayableWithMobile; }
+
+  /**
+   * \brief Change the project package name.
    */
   void SetPackageName(const gd::String& packageName_) {
     packageName = packageName_;
   };
 
   /**
-   * \brief Get project package name.
+   * \brief Get the project package name.
    */
   const gd::String& GetPackageName() const { return packageName; }
 
@@ -119,7 +172,7 @@ class GD_CORE_API Project : public ObjectsContainer {
   };
 
   /**
-   * \brief Get project orientation ("default", "landscape", "portrait").
+   * \brief Get the project orientation ("default", "landscape", "portrait").
    */
   const gd::String& GetOrientation() const { return orientation; }
 
@@ -884,6 +937,7 @@ class GD_CORE_API Project : public ObjectsContainer {
   void Init(const gd::Project& project);
 
   gd::String name;            ///< Game name
+  gd::String description;     ///< Game description
   gd::String version;         ///< Game version number (used for some exports)
   unsigned int windowWidth;   ///< Window default width
   unsigned int windowHeight;  ///< Window default height
@@ -923,6 +977,11 @@ class GD_CORE_API Project : public ObjectsContainer {
   gd::String author;        ///< Game author name, for publishing purpose.
   std::vector<gd::String>
       authorIds;           ///< Game author ids, from GDevelop users DB.
+  std::vector<gd::String>
+      categories;           ///< Game categories
+  bool isPlayableWithKeyboard; ///< The project is playable with a keyboard.
+  bool isPlayableWithGamepad;  ///< The project is playable with a gamepad.
+  bool isPlayableWithMobile;   ///< The project is playable on a mobile.
   gd::String packageName;  ///< Game package name
   gd::String orientation;  ///< Lock game orientation (on mobile devices).
                            ///< "default", "landscape" or "portrait".

Core/GDCore/Project/PropertyDescriptor.cpp

@@ -19,6 +19,7 @@ void PropertyDescriptor::SerializeTo(SerializerElement& element) const {
   element.AddChild("type").SetStringValue(type);
   element.AddChild("label").SetStringValue(label);
   element.AddChild("description").SetStringValue(description);
+  element.AddChild("group").SetStringValue(group);
   SerializerElement& extraInformationElement =
       element.AddChild("extraInformation");
   extraInformationElement.ConsiderAsArray();
@@ -33,6 +34,7 @@ void PropertyDescriptor::UnserializeFrom(const SerializerElement& element) {
   type = element.GetChild("type").GetStringValue();
   label = element.GetChild("label").GetStringValue();
   description = element.GetChild("description").GetStringValue();
+  group = element.GetChild("group").GetStringValue();
 
   extraInformation.clear();
   const SerializerElement& extraInformationElement =

Core/GDCore/Project/PropertyDescriptor.h

@@ -76,6 +76,14 @@ class GD_CORE_API PropertyDescriptor {
     return *this;
   }
 
+  /**
+   * \brief Change the group where this property is displayed to the user, if any.
+   */
+  PropertyDescriptor& SetGroup(gd::String group_) {
+    group = group_;
+    return *this;
+  }
+
   /**
    * \brief Set and replace the additional information for the property.
    */
@@ -100,6 +108,7 @@ class GD_CORE_API PropertyDescriptor {
   const gd::String& GetType() const { return type; }
   const gd::String& GetLabel() const { return label; }
   const gd::String& GetDescription() const { return description; }
+  const gd::String& GetGroup() const { return group; }
 
   const std::vector<gd::String>& GetExtraInfo() const {
     return extraInformation;
@@ -153,6 +162,7 @@ class GD_CORE_API PropertyDescriptor {
              ///< the class responsible for updating the property grid.
   gd::String label;        //< The user-friendly property name
   gd::String description;  //< The user-friendly property description
+  gd::String group;        //< The user-friendly property group
   std::vector<gd::String>
       extraInformation;  ///< Can be used to store for example the available
                          ///< choices, if a property is a displayed as a combo

Core/GDCore/Project/ResourcesManager.cpp

@@ -18,18 +18,25 @@
 #include "GDCore/Tools/Localization.h"
 #include "GDCore/Tools/Log.h"
 
+namespace {
+gd::String NormalizePathSeparator(const gd::String& path) {
+  gd::String normalizedPath = path;
+  while (normalizedPath.find('\\') != gd::String::npos)
+    normalizedPath.replace(normalizedPath.find('\\'), 1, "/");
+
+  return normalizedPath;
+}
+}  // namespace
+
 namespace gd {
 
 gd::String Resource::badStr;
 
 Resource ResourcesManager::badResource;
 gd::String ResourcesManager::badResourceName;
-#if defined(GD_IDE_ONLY)
 ResourceFolder ResourcesManager::badFolder;
 Resource ResourceFolder::badResource;
-#endif
 
-#if defined(GD_IDE_ONLY)
 void ResourceFolder::Init(const ResourceFolder& other) {
   name = other.name;
 
@@ -38,19 +45,16 @@ void ResourceFolder::Init(const ResourceFolder& other) {
     resources.push_back(std::shared_ptr<Resource>(other.resources[i]->Clone()));
   }
 }
-#endif
 
 void ResourcesManager::Init(const ResourcesManager& other) {
   resources.clear();
   for (std::size_t i = 0; i < other.resources.size(); ++i) {
     resources.push_back(std::shared_ptr<Resource>(other.resources[i]->Clone()));
   }
-#if defined(GD_IDE_ONLY)
   folders.clear();
   for (std::size_t i = 0; i < other.folders.size(); ++i) {
     folders.push_back(other.folders[i]);
   }
-#endif
 }
 
 Resource& ResourcesManager::GetResource(const gd::String& name) {
@@ -132,22 +136,22 @@ std::vector<gd::String> ResourcesManager::GetAllResourceNames() const {
 }
 
 std::vector<gd::String> ResourcesManager::FindFilesNotInResources(
-    const std::vector<gd::String>& filesToCheck) const {
-  std::unordered_set<gd::String> resourceFiles;
-  for (const auto& resource: resources) {
-    resourceFiles.insert(resource->GetFile());
+    const std::vector<gd::String>& filePathsToCheck) const {
+  std::unordered_set<gd::String> resourceFilePaths;
+  for (const auto& resource : resources) {
+    resourceFilePaths.insert(NormalizePathSeparator(resource->GetFile()));
   }
 
-  std::vector<gd::String> filesNotInResources;
-  for(const gd::String& file: filesToCheck) {
-    if (resourceFiles.find(file) == resourceFiles.end())
-      filesNotInResources.push_back(file);
+  std::vector<gd::String> filePathsNotInResources;
+  for (const gd::String& file : filePathsToCheck) {
+    gd::String normalizedPath = NormalizePathSeparator(file);
+    if (resourceFilePaths.find(normalizedPath) == resourceFilePaths.end())
+      filePathsNotInResources.push_back(file);
   }
 
-  return filesNotInResources;
+  return filePathsNotInResources;
 }
 
-#if defined(GD_IDE_ONLY)
 std::map<gd::String, gd::PropertyDescriptor> Resource::GetProperties() const {
   std::map<gd::String, gd::PropertyDescriptor> nothing;
   return nothing;
@@ -443,9 +447,7 @@ void ResourcesManager::RemoveResource(const gd::String& name) {
   for (std::size_t i = 0; i < folders.size(); ++i)
     folders[i].RemoveResource(name);
 }
-#endif
 
-#if defined(GD_IDE_ONLY)
 void ResourceFolder::UnserializeFrom(const SerializerElement& element,
                                      gd::ResourcesManager& parentManager) {
   name = element.GetStringAttribute("name");
@@ -470,7 +472,6 @@ void ResourceFolder::SerializeTo(SerializerElement& element) const {
         .SetAttribute("name", resources[i]->GetName());
   }
 }
-#endif
 
 void ResourcesManager::UnserializeFrom(const SerializerElement& element) {
   resources.clear();
@@ -500,7 +501,6 @@ void ResourcesManager::UnserializeFrom(const SerializerElement& element) {
     resources.push_back(resource);
   }
 
-#if defined(GD_IDE_ONLY)
   folders.clear();
   const SerializerElement& resourcesFoldersElement =
       element.GetChild("resourceFolders", 0, "ResourceFolders");
@@ -511,10 +511,8 @@ void ResourcesManager::UnserializeFrom(const SerializerElement& element) {
 
     folders.push_back(folder);
   }
-#endif
 }
 
-#if defined(GD_IDE_ONLY)
 void ResourcesManager::SerializeTo(SerializerElement& element) const {
   SerializerElement& resourcesElement = element.AddChild("resources");
   resourcesElement.ConsiderAsArrayOf("resource");
@@ -543,14 +541,9 @@ void ResourcesManager::SerializeTo(SerializerElement& element) const {
   for (std::size_t i = 0; i < folders.size(); ++i)
     folders[i].SerializeTo(resourcesFoldersElement.AddChild("folder"));
 }
-#endif
 
 void ImageResource::SetFile(const gd::String& newFile) {
-  file = newFile;
-
-  // Convert all backslash to slashs.
-  while (file.find('\\') != gd::String::npos)
-    file.replace(file.find('\\'), 1, "/");
+  file = NormalizePathSeparator(newFile);
 }
 
 void ImageResource::UnserializeFrom(const SerializerElement& element) {
@@ -560,21 +553,15 @@ void ImageResource::UnserializeFrom(const SerializerElement& element) {
   SetFile(element.GetStringAttribute("file"));
 }
 
-#if defined(GD_IDE_ONLY)
 void ImageResource::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("alwaysLoaded", alwaysLoaded);
   element.SetAttribute("smoothed", smooth);
   element.SetAttribute("userAdded", IsUserAdded());
   element.SetAttribute("file", GetFile());
 }
-#endif
 
 void AudioResource::SetFile(const gd::String& newFile) {
-  file = newFile;
-
-  // Convert all backslash to slashs.
-  while (file.find('\\') != gd::String::npos)
-    file.replace(file.find('\\'), 1, "/");
+  file = NormalizePathSeparator(newFile);
 }
 
 void AudioResource::UnserializeFrom(const SerializerElement& element) {
@@ -584,21 +571,15 @@ void AudioResource::UnserializeFrom(const SerializerElement& element) {
   SetPreloadAsSound(element.GetBoolAttribute("preloadAsSound"));
 }
 
-#if defined(GD_IDE_ONLY)
 void AudioResource::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("userAdded", IsUserAdded());
   element.SetAttribute("file", GetFile());
   element.SetAttribute("preloadAsMusic", PreloadAsMusic());
   element.SetAttribute("preloadAsSound", PreloadAsSound());
 }
-#endif
 
 void FontResource::SetFile(const gd::String& newFile) {
-  file = newFile;
-
-  // Convert all backslash to slashs.
-  while (file.find('\\') != gd::String::npos)
-    file.replace(file.find('\\'), 1, "/");
+  file = NormalizePathSeparator(newFile);
 }
 
 void FontResource::UnserializeFrom(const SerializerElement& element) {
@@ -606,19 +587,13 @@ void FontResource::UnserializeFrom(const SerializerElement& element) {
   SetFile(element.GetStringAttribute("file"));
 }
 
-#if defined(GD_IDE_ONLY)
 void FontResource::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("userAdded", IsUserAdded());
   element.SetAttribute("file", GetFile());
 }
-#endif
 
 void VideoResource::SetFile(const gd::String& newFile) {
-  file = newFile;
-
-  // Convert all backslash to slashs.
-  while (file.find('\\') != gd::String::npos)
-    file.replace(file.find('\\'), 1, "/");
+  file = NormalizePathSeparator(newFile);
 }
 
 void VideoResource::UnserializeFrom(const SerializerElement& element) {
@@ -626,19 +601,13 @@ void VideoResource::UnserializeFrom(const SerializerElement& element) {
   SetFile(element.GetStringAttribute("file"));
 }
 
-#if defined(GD_IDE_ONLY)
 void VideoResource::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("userAdded", IsUserAdded());
   element.SetAttribute("file", GetFile());
 }
-#endif
 
 void JsonResource::SetFile(const gd::String& newFile) {
-  file = newFile;
-
-  // Convert all backslash to slashs.
-  while (file.find('\\') != gd::String::npos)
-    file.replace(file.find('\\'), 1, "/");
+  file = NormalizePathSeparator(newFile);
 }
 
 void JsonResource::UnserializeFrom(const SerializerElement& element) {
@@ -647,7 +616,6 @@ void JsonResource::UnserializeFrom(const SerializerElement& element) {
   DisablePreload(element.GetBoolAttribute("disablePreload", false));
 }
 
-#if defined(GD_IDE_ONLY)
 void JsonResource::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("userAdded", IsUserAdded());
   element.SetAttribute("file", GetFile());
@@ -672,14 +640,8 @@ bool JsonResource::UpdateProperty(const gd::String& name,
   return true;
 }
 
-#endif
-
 void BitmapFontResource::SetFile(const gd::String& newFile) {
-  file = newFile;
-
-  // Convert all backslash to slashs.
-  while (file.find('\\') != gd::String::npos)
-    file.replace(file.find('\\'), 1, "/");
+  file = NormalizePathSeparator(newFile);
 }
 
 void BitmapFontResource::UnserializeFrom(const SerializerElement& element) {
@@ -687,14 +649,11 @@ void BitmapFontResource::UnserializeFrom(const SerializerElement& element) {
   SetFile(element.GetStringAttribute("file"));
 }
 
-#if defined(GD_IDE_ONLY)
 void BitmapFontResource::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("userAdded", IsUserAdded());
   element.SetAttribute("file", GetFile());
 }
-#endif
 
-#if defined(GD_IDE_ONLY)
 ResourceFolder::ResourceFolder(const ResourceFolder& other) { Init(other); }
 
 ResourceFolder& ResourceFolder::operator=(const ResourceFolder& other) {
@@ -702,7 +661,6 @@ ResourceFolder& ResourceFolder::operator=(const ResourceFolder& other) {
 
   return *this;
 }
-#endif
 
 ResourcesManager::ResourcesManager(const ResourcesManager& other) {
   Init(other);

Core/GDCore/Project/ResourcesManager.h

@@ -104,7 +104,6 @@ class GD_CORE_API Resource {
    */
   virtual const gd::String& GetMetadata() const { return metadata; }
 
-#if defined(GD_IDE_ONLY)
   /** \name Resources properties
    * Reading and updating resources properties
    */
@@ -136,7 +135,6 @@ class GD_CORE_API Resource {
     return false;
   };
 ///@}
-#endif
 
   /**
    * \brief Serialize the object
@@ -186,7 +184,6 @@ class GD_CORE_API ImageResource : public Resource {
    */
   virtual void SetFile(const gd::String& newFile) override;
 
-#if defined(GD_IDE_ONLY)
   virtual bool UseFile() override { return true; }
 
   std::map<gd::String, gd::PropertyDescriptor> GetProperties() const override;
@@ -196,7 +193,6 @@ class GD_CORE_API ImageResource : public Resource {
    * \brief Serialize the object
    */
   void SerializeTo(SerializerElement& element) const override;
-#endif
 
   /**
    * \brief Unserialize the objectt.
@@ -238,14 +234,12 @@ class GD_CORE_API AudioResource : public Resource {
   virtual const gd::String& GetFile() const override { return file; };
   virtual void SetFile(const gd::String& newFile) override;
 
-#if defined(GD_IDE_ONLY)
   virtual bool UseFile() override { return true; }
 
   std::map<gd::String, gd::PropertyDescriptor> GetProperties() const override;
   bool UpdateProperty(const gd::String& name, const gd::String& value) override;
 
   void SerializeTo(SerializerElement& element) const override;
-#endif
 
   void UnserializeFrom(const SerializerElement& element) override;
 
@@ -292,10 +286,8 @@ class GD_CORE_API FontResource : public Resource {
   virtual const gd::String& GetFile() const override { return file; };
   virtual void SetFile(const gd::String& newFile) override;
 
-#if defined(GD_IDE_ONLY)
   virtual bool UseFile() override { return true; }
   void SerializeTo(SerializerElement& element) const override;
-#endif
 
   void UnserializeFrom(const SerializerElement& element) override;
 
@@ -320,10 +312,8 @@ class GD_CORE_API VideoResource : public Resource {
   virtual const gd::String& GetFile() const override { return file; };
   virtual void SetFile(const gd::String& newFile) override;
 
-#if defined(GD_IDE_ONLY)
   virtual bool UseFile() override { return true; }
   void SerializeTo(SerializerElement& element) const override;
-#endif
 
   void UnserializeFrom(const SerializerElement& element) override;
 
@@ -348,14 +338,12 @@ class GD_CORE_API JsonResource : public Resource {
   virtual const gd::String& GetFile() const override { return file; };
   virtual void SetFile(const gd::String& newFile) override;
 
-#if defined(GD_IDE_ONLY)
   virtual bool UseFile() override { return true; }
 
   std::map<gd::String, gd::PropertyDescriptor> GetProperties() const override;
   bool UpdateProperty(const gd::String& name, const gd::String& value) override;
 
   void SerializeTo(SerializerElement& element) const override;
-#endif
 
   void UnserializeFrom(const SerializerElement& element) override;
 
@@ -391,10 +379,8 @@ class GD_CORE_API BitmapFontResource : public Resource {
   virtual const gd::String& GetFile() const override { return file; };
   virtual void SetFile(const gd::String& newFile) override;
 
-#if defined(GD_IDE_ONLY)
   virtual bool UseFile() override { return true; }
   void SerializeTo(SerializerElement& element) const override;
-#endif
 
   void UnserializeFrom(const SerializerElement& element) override;
 
@@ -461,9 +447,8 @@ class GD_CORE_API ResourcesManager {
    * \brief Return a list of the files, from the specified input list,
    * that are not used as files by the resources.
    */
-  std::vector<gd::String> FindFilesNotInResources(const std::vector<gd::String>& filesToCheck) const;
+  std::vector<gd::String> FindFilesNotInResources(const std::vector<gd::String>& filePathsToCheck) const;
 
-#if defined(GD_IDE_ONLY)
   /**
    * \brief Return a (smart) pointer to a resource.
    */
@@ -557,7 +542,6 @@ class GD_CORE_API ResourcesManager {
    * \brief Serialize the object
    */
   void SerializeTo(SerializerElement& element) const;
-#endif
 
   /**
    * \brief Unserialize the objectt.
@@ -568,18 +552,13 @@ class GD_CORE_API ResourcesManager {
   void Init(const ResourcesManager& other);
 
   std::vector<std::shared_ptr<Resource> > resources;
-#if defined(GD_IDE_ONLY)
   std::vector<ResourceFolder> folders;
-#endif
 
-#if defined(GD_IDE_ONLY)
   static ResourceFolder badFolder;
-#endif
   static Resource badResource;
   static gd::String badResourceName;
 };
 
-#if defined(GD_IDE_ONLY)
 class GD_CORE_API ResourceFolder {
  public:
   ResourceFolder(){};
@@ -654,7 +633,6 @@ class GD_CORE_API ResourceFolder {
   void Init(const ResourceFolder& other);
   static Resource badResource;
 };
-#endif
 
 }  // namespace gd
 

Core/GDCore/Serialization/SerializerElement.cpp

@@ -77,8 +77,6 @@ bool SerializerElement::GetBoolAttribute(const gd::String& name,
     }
   }
 
-  std::cout << "Bool attribute \"" << name << "\" not found, returning "
-            << defaultValue;
   return defaultValue;
 }
 

Core/GDCore/String.cpp

@@ -667,7 +667,7 @@ int String::compare( const String &other ) const
 namespace priv
 {
     /**
-     * As the the casefolded version of a string can have a different size, the positions
+     * As the casefolded version of a string can have a different size, the positions
      * in the two versions of the string are not the same.
      * \return where the **pos** position in the original string **str** is in the
      * casefolded version of **str**
@@ -681,7 +681,7 @@ namespace priv
     }
 
     /**
-     * As the the casefolded version of a string can have a different size, the positions
+     * As the casefolded version of a string can have a different size, the positions
      * in the two versions of the string are not the same.
      * \return where the **pos** position in the casefolded string of **str** is in the
      * original version **str**

Core/tests/DummyPlatform.cpp

@@ -14,7 +14,7 @@
 
 class BehaviorWithRequiredBehaviorProperty : public gd::Behavior {
  public:
-  BehaviorWithRequiredBehaviorProperty() {};
+  BehaviorWithRequiredBehaviorProperty(){};
   virtual ~BehaviorWithRequiredBehaviorProperty(){};
   virtual Behavior* Clone() const override {
     return new BehaviorWithRequiredBehaviorProperty(*this);
@@ -25,7 +25,8 @@ class BehaviorWithRequiredBehaviorProperty : public gd::Behavior {
     std::map<gd::String, gd::PropertyDescriptor> properties;
     properties["requiredBehaviorProperty"]
         .SetLabel("A required behavior")
-        .SetValue(behaviorContent.GetStringAttribute("requiredBehaviorProperty"))
+        .SetValue(
+            behaviorContent.GetStringAttribute("requiredBehaviorProperty"))
         .SetType("Behavior")
         .AddExtraInfo("MyExtension::MyBehavior");
     return properties;
@@ -48,7 +49,7 @@ class BehaviorWithRequiredBehaviorProperty : public gd::Behavior {
 class BehaviorWithRequiredBehaviorPropertyRequiringAnotherBehavior
     : public gd::Behavior {
  public:
-  BehaviorWithRequiredBehaviorPropertyRequiringAnotherBehavior() {};
+  BehaviorWithRequiredBehaviorPropertyRequiringAnotherBehavior(){};
   virtual ~BehaviorWithRequiredBehaviorPropertyRequiringAnotherBehavior(){};
   virtual Behavior* Clone() const override {
     return new BehaviorWithRequiredBehaviorPropertyRequiringAnotherBehavior(
@@ -60,7 +61,8 @@ class BehaviorWithRequiredBehaviorPropertyRequiringAnotherBehavior
     std::map<gd::String, gd::PropertyDescriptor> properties;
     properties["requiredBehaviorProperty"]
         .SetLabel("A required behavior")
-        .SetValue(behaviorContent.GetStringAttribute("requiredBehaviorProperty"))
+        .SetValue(
+            behaviorContent.GetStringAttribute("requiredBehaviorProperty"))
         .SetType("Behavior")
         .AddExtraInfo("MyExtension::BehaviorWithRequiredBehaviorProperty");
     return properties;
@@ -87,11 +89,26 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
 
   std::shared_ptr<gd::PlatformExtension> baseObjectExtension =
       std::shared_ptr<gd::PlatformExtension>(new gd::PlatformExtension);
+
+  // Create the base object. All objects "inherits" from it.
   baseObjectExtension->SetExtensionInformation(
       "BuiltinObject", "Base Object dummy extension", "", "", "");
-  auto baseObject = baseObjectExtension->AddObject<gd::Object>(
+  auto& baseObject = baseObjectExtension->AddObject<gd::Object>(
       "", "Dummy Base Object", "Dummy Base Object", "");
 
+  // Add this expression for all objects. But it requires a "capability".
+  baseObject
+      .AddStrExpression("GetSomethingRequiringEffectCapability",
+                        "Get something, but this requires the effect capability for the object.",
+                        "",
+                        "",
+                        "")
+      .AddParameter("object", _("Object"), "")
+      .AddParameter("expression", _("Number parameter"))
+      .SetRequiresBaseObjectCapability("effect")
+      .SetFunctionName("getSomethingRequiringEffectCapability");
+
+  // Create an extension with various stuff inside.
   std::shared_ptr<gd::PlatformExtension> extension =
       std::shared_ptr<gd::PlatformExtension>(new gd::PlatformExtension);
   extension->SetExtensionInformation(
@@ -116,7 +133,8 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
                   "",
                   "",
                   "")
-      .AddParameter("bitmapFontResource", "Parameter 1 (a bitmap font resource)")
+      .AddParameter("bitmapFontResource",
+                    "Parameter 1 (a bitmap font resource)")
       .AddParameter("imageResource", "Parameter 2 (an image resource)")
       .AddParameter("soundfile", "Parameter 3 (an audio resource)")
       .SetFunctionName("doSomethingWithResources");
@@ -260,10 +278,10 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
         .SetFunctionName("getBehaviorStringWith1Param");
     behavior
         .AddExpression("GetBehaviorNumberWith1Param",
-                          "Get number from behavior with 1 param",
-                          "",
-                          "",
-                          "")
+                       "Get number from behavior with 1 param",
+                       "",
+                       "",
+                       "")
         .AddParameter("object", _("Object"))
         .AddParameter("behavior", _("Behavior"), "MyExtension::MyBehavior")
         .AddParameter("expression", _("Number parameter"))
@@ -310,6 +328,16 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
         gd::make_unique<gd::BehaviorsSharedData>());
   }
 
+  {
+    auto& object = extension
+                       ->AddObject<gd::Object>(
+                           "FakeObjectWithUnsupportedCapability",
+                           "FakeObjectWithUnsupportedCapability",
+                           "This is FakeObjectWithUnsupportedCapability",
+                           "")
+                       .AddUnsupportedBaseObjectCapability("effect");
+  }
+
   platform.AddExtension(baseObjectExtension);
   platform.AddExtension(extension);
   project.AddPlatform(platform);

Core/tests/EventsCodeGenerationContext.cpp

@@ -31,7 +31,7 @@ TEST_CASE("EventsCodeGenerationContext", "[common][events]") {
   gd::EventsCodeGenerationContext c1(&maxDepth);
   c1.ObjectsListNeeded("c1.object1");
   c1.ObjectsListNeeded("c1.object2");
-  c1.ObjectsListWithoutPickingNeeded("c1.noPicking1");
+  c1.ObjectsListNeededOrEmptyIfJustDeclared("c1.noPicking1");
 
   gd::EventsCodeGenerationContext c2;
   c2.InheritsFrom(c1);
@@ -47,7 +47,7 @@ TEST_CASE("EventsCodeGenerationContext", "[common][events]") {
 
   gd::EventsCodeGenerationContext c5;
   c5.InheritsFrom(c2);
-  c5.ObjectsListWithoutPickingNeeded("c5.noPicking1");
+  c5.ObjectsListNeededOrEmptyIfJustDeclared("c5.noPicking1");
   c5.ObjectsListNeeded("c5.object1");
   c5.ObjectsListNeeded("c1.object2");
   c5.EmptyObjectsListNeeded("c5.empty1");
@@ -70,36 +70,36 @@ TEST_CASE("EventsCodeGenerationContext", "[common][events]") {
   }
 
   SECTION("Object list needed") {
-    REQUIRE(c1.GetObjectsListsAlreadyDeclared() == std::set<gd::String>());
+    REQUIRE(c1.GetObjectsListsAlreadyDeclaredByParents() == std::set<gd::String>());
     REQUIRE(c1.GetObjectsListsToBeDeclared() ==
             std::set<gd::String>({"c1.object1", "c1.object2"}));
-    REQUIRE(c1.GetObjectsListsToBeDeclaredWithoutPicking() ==
+    REQUIRE(c1.GetObjectsListsToBeEmptyIfJustDeclared() ==
             std::set<gd::String>({"c1.noPicking1"}));
     REQUIRE(c1.GetAllObjectsToBeDeclared() ==
             std::set<gd::String>({"c1.object1", "c1.object2", "c1.noPicking1"}));
 
-    REQUIRE(c2.GetObjectsListsAlreadyDeclared() ==
+    REQUIRE(c2.GetObjectsListsAlreadyDeclaredByParents() ==
             std::set<gd::String>({"c1.object1", "c1.object2", "c1.noPicking1"}));
     REQUIRE(c2.GetObjectsListsToBeDeclared() ==
             std::set<gd::String>({"c2.object1"}));
-    REQUIRE(c2.GetObjectsListsToBeDeclaredWithoutPicking() == std::set<gd::String>());
+    REQUIRE(c2.GetObjectsListsToBeEmptyIfJustDeclared() == std::set<gd::String>());
     REQUIRE(c2.GetAllObjectsToBeDeclared() ==
             std::set<gd::String>({"c2.object1"}));
 
-    REQUIRE(c3.GetObjectsListsAlreadyDeclared() ==
+    REQUIRE(c3.GetObjectsListsAlreadyDeclaredByParents() ==
             std::set<gd::String>({"c1.object1", "c1.object2", "c1.noPicking1"}));
     REQUIRE(c3.GetObjectsListsToBeDeclared() ==
             std::set<gd::String>({"c3.object1", "c1.object2"}));
-    REQUIRE(c3.GetObjectsListsToBeDeclaredWithoutPicking() == std::set<gd::String>());
+    REQUIRE(c3.GetObjectsListsToBeEmptyIfJustDeclared() == std::set<gd::String>());
     REQUIRE(c3.GetAllObjectsToBeDeclared() ==
             std::set<gd::String>({"c3.object1", "c1.object2"}));
 
-    REQUIRE(c5.GetObjectsListsAlreadyDeclared() ==
+    REQUIRE(c5.GetObjectsListsAlreadyDeclaredByParents() ==
             std::set<gd::String>(
                 {"c1.object1", "c1.object2", "c1.noPicking1", "c2.object1"}));
     REQUIRE(c5.GetObjectsListsToBeDeclared() ==
             std::set<gd::String>({"c5.object1", "c1.object2"}));
-    REQUIRE(c5.GetObjectsListsToBeDeclaredWithoutPicking() ==
+    REQUIRE(c5.GetObjectsListsToBeEmptyIfJustDeclared() ==
             std::set<gd::String>({"c5.noPicking1"}));
     REQUIRE(c5.GetObjectsListsToBeDeclaredEmpty() ==
             std::set<gd::String>({"c5.empty1"}));
@@ -107,22 +107,22 @@ TEST_CASE("EventsCodeGenerationContext", "[common][events]") {
             std::set<gd::String>({"c5.object1", "c5.noPicking1", "c1.object2", "c5.empty1"}));
   }
 
-  SECTION("ObjectAlreadyDeclared") {
-    REQUIRE(c1.ObjectAlreadyDeclared("c1.object1") == false);
-    REQUIRE(c2.ObjectAlreadyDeclared("c1.object1") == true);
-    REQUIRE(c3.ObjectAlreadyDeclared("c1.object1") == true);
-    REQUIRE(c4.ObjectAlreadyDeclared("c1.object1") == true);
-    REQUIRE(c5.ObjectAlreadyDeclared("c1.object1") == true);
+  SECTION("ObjectAlreadyDeclaredByParents") {
+    REQUIRE(c1.ObjectAlreadyDeclaredByParents("c1.object1") == false);
+    REQUIRE(c2.ObjectAlreadyDeclaredByParents("c1.object1") == true);
+    REQUIRE(c3.ObjectAlreadyDeclaredByParents("c1.object1") == true);
+    REQUIRE(c4.ObjectAlreadyDeclaredByParents("c1.object1") == true);
+    REQUIRE(c5.ObjectAlreadyDeclaredByParents("c1.object1") == true);
 
-    REQUIRE(c2.ObjectAlreadyDeclared("c2.object1") == false);
-    REQUIRE(c1.ObjectAlreadyDeclared("c2.object1") == false);
-    REQUIRE(c3.ObjectAlreadyDeclared("c2.object1") == false);
-    REQUIRE(c4.ObjectAlreadyDeclared("c2.object1") == true);
-    REQUIRE(c5.ObjectAlreadyDeclared("c2.object1") == true);
+    REQUIRE(c2.ObjectAlreadyDeclaredByParents("c2.object1") == false);
+    REQUIRE(c1.ObjectAlreadyDeclaredByParents("c2.object1") == false);
+    REQUIRE(c3.ObjectAlreadyDeclaredByParents("c2.object1") == false);
+    REQUIRE(c4.ObjectAlreadyDeclaredByParents("c2.object1") == true);
+    REQUIRE(c5.ObjectAlreadyDeclaredByParents("c2.object1") == true);
 
-    REQUIRE(c3.ObjectAlreadyDeclared("some object") == false);
+    REQUIRE(c3.ObjectAlreadyDeclaredByParents("some object") == false);
     c3.SetObjectDeclared("some object");
-    REQUIRE(c3.ObjectAlreadyDeclared("some object") == true);
+    REQUIRE(c3.ObjectAlreadyDeclaredByParents("some object") == true);
   }
 
   SECTION("Object list last depth") {

Core/tests/ExpressionCodeGenerator.cpp

@@ -23,6 +23,14 @@ TEST_CASE("ExpressionCodeGenerator", "[common][events]") {
   layout1.InsertNewObject(project, "MyExtension::Sprite", "MySpriteObject", 0);
   layout1.InsertNewObject(
       project, "MyExtension::Sprite", "MyOtherSpriteObject", 1);
+  layout1.InsertNewObject(project,
+                          "MyExtension::FakeObjectWithUnsupportedCapability",
+                          "MyFakeObjectWithUnsupportedCapability",
+                          2);
+  auto &group = layout1.GetObjectGroups().InsertNew("AllObjects");
+  group.AddObject("MySpriteObject");
+  group.AddObject("MyOtherSpriteObject");
+  group.AddObject("MyFakeObjectWithUnsupportedCapability");
 
   gd::ExpressionParser2 parser(platform, project, layout1);
 
@@ -283,6 +291,51 @@ TEST_CASE("ExpressionCodeGenerator", "[common][events]") {
               "getNumberWith2Params(1, \"2\")");
     }
   }
+  SECTION("Invalid function calls (capabilities)") {
+    {
+      // Capability is supported, so the expression is valid.
+      auto node = parser.ParseExpression(
+          "string",
+          "MySpriteObject.GetSomethingRequiringEffectCapability(123)");
+      gd::ExpressionCodeGenerator expressionCodeGenerator(codeGenerator,
+                                                          context);
+
+      REQUIRE(node);
+      node->Visit(expressionCodeGenerator);
+      REQUIRE(
+          expressionCodeGenerator.GetOutput() ==
+          "MySpriteObject.getSomethingRequiringEffectCapability(123) ?? \"\"");
+    }
+    {
+      // Capability is not supported, so the expression is not even valid.
+      auto node =
+          parser.ParseExpression("string",
+                                 "MyFakeObjectWithUnsupportedCapability."
+                                 "GetSomethingRequiringEffectCapability(123)");
+      gd::ExpressionCodeGenerator expressionCodeGenerator(codeGenerator,
+                                                          context);
+
+      REQUIRE(node);
+      node->Visit(expressionCodeGenerator);
+      REQUIRE(expressionCodeGenerator.GetOutput() == "\"\"");
+    }
+    {
+      // We use a group, capability is supported only by one object of the
+      // group. The expression itself is valid, but code generation should skip
+      // the objects with unsupported capability.
+      auto node = parser.ParseExpression(
+          "string", "AllObjects.GetSomethingRequiringEffectCapability(123)");
+      gd::ExpressionCodeGenerator expressionCodeGenerator(codeGenerator,
+                                                          context);
+
+      REQUIRE(node);
+      node->Visit(expressionCodeGenerator);
+      REQUIRE(
+          expressionCodeGenerator.GetOutput() ==
+          "MyOtherSpriteObject.getSomethingRequiringEffectCapability(123) ?? "
+          "MySpriteObject.getSomethingRequiringEffectCapability(123) ?? \"\"");
+    }
+  }
   SECTION("Invalid variables") {
     {
       // Test an empty expression

Core/tests/ExpressionParser2.cpp

@@ -19,6 +19,10 @@ TEST_CASE("ExpressionParser2", "[common][events]") {
   SetupProjectWithDummyPlatform(project, platform);
   auto &layout1 = project.InsertNewLayout("Layout1", 0);
   layout1.InsertNewObject(project, "MyExtension::Sprite", "MySpriteObject", 0);
+  layout1.InsertNewObject(project,
+                          "MyExtension::FakeObjectWithUnsupportedCapability",
+                          "MyFakeObjectWithUnsupportedCapability",
+                          1);
 
   gd::ExpressionParser2 parser(platform, project, layout1);
 
@@ -1351,6 +1355,33 @@ TEST_CASE("ExpressionParser2", "[common][events]") {
     }
   }
 
+  SECTION(
+      "Valid function call with an object expression requiring a capability") {
+    auto node = parser.ParseExpression(
+        "string", "MySpriteObject.GetSomethingRequiringEffectCapability(123)");
+    REQUIRE(node != nullptr);
+
+    gd::ExpressionValidator validator;
+    node->Visit(validator);
+    REQUIRE(validator.GetErrors().size() == 0);
+  }
+
+  SECTION(
+      "Invalid function call with an object expression requiring a "
+      "capability") {
+    auto node =
+        parser.ParseExpression("string",
+                               "MyFakeObjectWithUnsupportedCapability."
+                               "GetSomethingRequiringEffectCapability(123)");
+    REQUIRE(node != nullptr);
+
+    gd::ExpressionValidator validator;
+    node->Visit(validator);
+    REQUIRE(validator.GetErrors().size() == 1);
+    REQUIRE(validator.GetErrors()[0]->GetMessage() ==
+            "This expression exists, but it can't be used on this object.");
+  }
+
   SECTION("Fuzzy/random tests") {
     {
       auto testExpression = [&parser](const gd::String &expression) {

Extensions/AdMob/JsExtension.js

@@ -35,7 +35,11 @@ module.exports = {
         'Florian Rival',
         'MIT'
       )
-      .setExtensionHelpPath('/all-features/admob');
+      .setExtensionHelpPath('/all-features/admob')
+      .setCategory('Ads');
+    extension
+      .addInstructionOrExpressionGroupMetadata(_('AdMob'))
+      .setIcon('JsPlatform/Extensions/admobicon24.png');
 
     extension
       .registerProperty('AdMobAppIdAndroid')
@@ -87,7 +91,7 @@ module.exports = {
             'account being flagged for invalid activity.'
         ),
         _('Enable test mode (serving test ads, for development): _PARAM0_'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -105,7 +109,7 @@ module.exports = {
           'Check if a banner is currently loading. It will be shown automatically when loaded.'
         ),
         _('Banner is loading'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -119,7 +123,7 @@ module.exports = {
         _('Banner showing'),
         _('Check if there is a banner being displayed.'),
         _('Banner is showing'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -133,7 +137,7 @@ module.exports = {
         _('Banner had an error'),
         _('Check if there was a error while displaying a banner.'),
         _('Banner ad had an error'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -159,7 +163,7 @@ module.exports = {
         _(
           'Configure the banner with Android ad unit ID: _PARAM0_, iOS ad unit ID: _PARAM1_, display at top: _PARAM2_'
         ),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -190,7 +194,7 @@ module.exports = {
         _('Show banner'),
         _('Show the banner that was previously set up.'),
         _('Show banner'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -206,7 +210,7 @@ module.exports = {
           'Hide the banner. You can show it again with the corresponding action.'
         ),
         _('Hide banner'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -224,7 +228,7 @@ module.exports = {
         _('Interstitial loading'),
         _('Check if an interstitial is currently loading.'),
         _('Interstitial is loading'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -238,7 +242,7 @@ module.exports = {
         _('Interstitial ready'),
         _('Check if an interstitial is ready to be displayed.'),
         _('Interstitial is ready'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -252,7 +256,7 @@ module.exports = {
         _('Interstitial showing'),
         _('Check if there is an interstitial being displayed.'),
         _('Interstitial is showing'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -266,7 +270,7 @@ module.exports = {
         _('Interstitial had an error'),
         _('Check if there was a error while loading the interstitial.'),
         _('Interstitial ad had an error'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -284,7 +288,7 @@ module.exports = {
         _(
           'Load interstitial with Android ad unit ID: _PARAM0_, iOS ad unit ID: _PARAM1_ (display automatically when loaded: _PARAM2_)'
         ),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -315,7 +319,7 @@ module.exports = {
           'Show the interstitial that was loaded. Will work only when the interstitial is fully loaded.'
         ),
         _('Show the loaded interstitial'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -330,7 +334,7 @@ module.exports = {
         _('Video loading'),
         _('Check if a reward video is currently loading.'),
         _('Reward video is loading'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -344,7 +348,7 @@ module.exports = {
         _('Video ready'),
         _('Check if a reward video is ready to be displayed.'),
         _('Reward video is ready'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -358,7 +362,7 @@ module.exports = {
         _('Video showing'),
         _('Check if there is a reward video being displayed.'),
         _('Reward video is showing'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -372,7 +376,7 @@ module.exports = {
         _('Video had an error'),
         _('Check if there was a error while loading the rewarded video.'),
         _('Video ad had an error'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -388,7 +392,7 @@ module.exports = {
           'Check if the reward of the video was given to the user.\nYou can mark this reward as cleared, so that the condition will be false and you can show later another reward video.'
         ),
         _('User got the reward of the video (and clear this reward: _PARAM0_)'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -413,7 +417,7 @@ module.exports = {
         _(
           'Load reward video with Android ad unit ID: _PARAM0_, iOS ad unit ID: _PARAM1_ (display automatically when loaded: _PARAM2_)'
         ),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -444,7 +448,7 @@ module.exports = {
           'Show the reward video that was loaded. Will work only when the video is fully loaded.'
         ),
         _('Show the loaded reward video'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )
@@ -460,7 +464,7 @@ module.exports = {
           'Mark the video reward as claimed. Useful if you used the condition to check if the reward was given to the user without clearing the reward.'
         ),
         _('Mark the reward of the video as claimed'),
-        _('AdMob'),
+        '',
         'JsPlatform/Extensions/admobicon24.png',
         'JsPlatform/Extensions/admobicon16.png'
       )

Extensions/AdvancedWindow/JsExtension.js

@@ -18,15 +18,20 @@ module.exports = {
     gd /*: libGDevelop */
   ) {
     const extension = new gd.PlatformExtension();
-    extension.setExtensionInformation(
-      'AdvancedWindow',
-      _('Advanced window management'),
-      _(
-        'Provides advanced features related to the game window positioning and interaction with the operating system.'
-      ),
-      'Arthur Pacaud (arthuro555)',
-      'MIT'
-    );
+    extension
+      .setExtensionInformation(
+        'AdvancedWindow',
+        _('Advanced window management'),
+        _(
+          'Provides advanced features related to the game window positioning and interaction with the operating system.'
+        ),
+        'Arthur Pacaud (arthuro555)',
+        'MIT'
+      )
+      .setCategory('Device');
+    extension
+      .addInstructionOrExpressionGroupMetadata(_('Advanced window management'))
+      .setIcon('res/actions/window24.png');
 
     extension
       .addAction(
@@ -34,7 +39,7 @@ module.exports = {
         _('Change focus of the window'),
         _('Make the window gain or lose focus.'),
         _('Focus the window: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -52,7 +57,7 @@ module.exports = {
         _('Window focused'),
         _('Checks if the window is focused.'),
         _('The window is focused'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -68,7 +73,7 @@ module.exports = {
         _('Change visibility of the window'),
         _('Make the window visible or invisible.'),
         _('Window visible: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -86,7 +91,7 @@ module.exports = {
         _('Window visible'),
         _('Checks if the window is visible.'),
         _('The window is visible'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -102,7 +107,7 @@ module.exports = {
         _('Maximize the window'),
         _('Maximize or unmaximize the window.'),
         _('Maximize window: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -120,7 +125,7 @@ module.exports = {
         _('Window maximized'),
         _('Checks if the window is maximized.'),
         _('The window is maximized'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -136,7 +141,7 @@ module.exports = {
         _('Minimize the window'),
         _('Minimize or unminimize the window.'),
         _('Minimize window: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -154,7 +159,7 @@ module.exports = {
         _('Window minimized'),
         _('Checks if the window is minimized.'),
         _('The window is minimized'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -170,7 +175,7 @@ module.exports = {
         _('Enable the window'),
         _('Enables or disables the window.'),
         _('Enable window: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -188,7 +193,7 @@ module.exports = {
         _('Window enabled'),
         _('Checks if the window is enabled.'),
         _('The window is enabled'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -204,7 +209,7 @@ module.exports = {
         _('Allow resizing'),
         _('Enables or disables resizing of the window by the user.'),
         _('Enable window resizing: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -222,7 +227,7 @@ module.exports = {
         _('Window resizable'),
         _('Checks if the window can be resized.'),
         _('The window can be resized'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -238,7 +243,7 @@ module.exports = {
         _('Allow moving'),
         _('Enables or disables moving of the window by the user.'),
         _('Enable window moving: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -256,7 +261,7 @@ module.exports = {
         _('Window movable'),
         _('Checks if the window can be moved.'),
         _('The window can be moved'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -272,7 +277,7 @@ module.exports = {
         _('Allow maximizing'),
         _('Enables or disables maximizing of the window by the user.'),
         _('Enable window maximizing: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -290,7 +295,7 @@ module.exports = {
         _('Window maximizable'),
         _('Checks if the window can be maximized.'),
         _('The window can be maximized'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -303,10 +308,10 @@ module.exports = {
     extension
       .addAction(
         'SetMinimizable',
-        _('Allow mimizing'),
+        _('Allow minimizing'),
         _('Enables or disables minimizing of the window by the user.'),
         _('Enable window minimizing: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -324,7 +329,7 @@ module.exports = {
         _('Window minimizable'),
         _('Checks if the window can be minimized.'),
         _('The window can be minimized'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -340,7 +345,7 @@ module.exports = {
         _('Allow full-screening'),
         _('Enables or disables full-screening of the window by the user.'),
         _('Enable window full-screening: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -358,7 +363,7 @@ module.exports = {
         _('Window full-screenable'),
         _('Checks if the window can be full-screened.'),
         _('The window can be set in fullscreen'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -374,7 +379,7 @@ module.exports = {
         _('Allow closing'),
         _('Enables or disables closing of the window by the user.'),
         _('Enable window closing: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -392,7 +397,7 @@ module.exports = {
         _('Window closable'),
         _('Checks if the window can be closed.'),
         _('The window can be closed'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -419,7 +424,7 @@ module.exports = {
         _('Make the windows always on top'),
         _('Puts the window constantly above all other windows.'),
         _('Make window always on top: _PARAM0_, level: _PARAM1_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -449,7 +454,7 @@ module.exports = {
         _('Window always on top'),
         _('Checks if the window is always on top.'),
         _('The window is always on top'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -467,7 +472,7 @@ module.exports = {
           'Puts the window in kiosk mode. This prevents the user from exiting fullscreen.'
         ),
         _('Enable kiosk mode: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -485,7 +490,7 @@ module.exports = {
         _('Kiosk mode'),
         _('Checks if the window is currently in kiosk mode.'),
         _('The window is in kiosk mode'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -501,7 +506,7 @@ module.exports = {
         _('Enable window shadow'),
         _('Enables or disables the window shadow.'),
         _('Enable window shadow: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -519,7 +524,7 @@ module.exports = {
         _('Shadow enabled'),
         _("Checks if the window currently has it's shadow enabled."),
         _('The window has a shadow'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -537,7 +542,7 @@ module.exports = {
           'Enables or disables the content protection mode. This should prevent screenshots of the game from being taken.'
         ),
         _('Enable content protection: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -555,7 +560,7 @@ module.exports = {
         _('Allow focusing'),
         _('Allow or disallow the user to focus the window.'),
         _('Allow to focus the window: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -573,7 +578,7 @@ module.exports = {
         _('Flash the window'),
         _('Make the window flash or end flashing.'),
         _('Make the window flash: _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -591,12 +596,14 @@ module.exports = {
         _('Set window opacity'),
         _('Changes the window opacity.'),
         _('Set the window opacity to _PARAM0_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
       .addParameter('expression', _('New opacity'), '', false)
-      .setParameterLongDescription('A number between 0 (fully transparent) and 1 (fully opaque).')
+      .setParameterLongDescription(
+        'A number between 0 (fully transparent) and 1 (fully opaque).'
+      )
       .getCodeExtraInformation()
       .setIncludeFile(
         'Extensions/AdvancedWindow/electron-advancedwindowtools.js'
@@ -609,7 +616,7 @@ module.exports = {
         _('Set window position'),
         _('Changes the window position.'),
         _('Set the window position to _PARAM0_;_PARAM1_'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window24.png',
         'res/actions/window.png'
       )
@@ -626,7 +633,7 @@ module.exports = {
         'WindowX',
         _('Window X position'),
         _('Returns the current window X position.'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window.png'
       )
       .getCodeExtraInformation()
@@ -640,7 +647,7 @@ module.exports = {
         'WindowY',
         _('Window Y position'),
         _('Returns the current window Y position.'),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window.png'
       )
       .getCodeExtraInformation()
@@ -656,7 +663,7 @@ module.exports = {
         _(
           'Returns the current window opacity (a number from 0 to 1, 1 being fully opaque).'
         ),
-        _('Advanced window management/Windows, Linux, macOS'),
+        _('Windows, Linux, macOS'),
         'res/actions/window.png'
       )
       .getCodeExtraInformation()

Extensions/AnchorBehavior/Extension.cpp

@@ -23,7 +23,7 @@ void DeclareAnchorBehaviorExtension(gd::PlatformExtension& extension) {
       "AnchorBehavior",
       _("Anchor"),
       "Anchor",
-      _("Behavior that anchors objects to the window's bounds."),
+      _("Anchor objects to the window's bounds."),
       "",
       "CppPlatform/Extensions/AnchorIcon.png",
       "AnchorBehavior",

Extensions/BBText/JsExtension.js

@@ -67,19 +67,22 @@ module.exports = {
         .getOrCreate('color')
         .setValue(objectContent.color)
         .setType('color')
-        .setLabel(_('Base color'));
+        .setLabel(_('Base color'))
+        .setGroup(_('Appearance'));
 
       objectProperties
         .getOrCreate('opacity')
         .setValue(objectContent.opacity.toString())
         .setType('number')
-        .setLabel(_('Opacity (0-255)'));
+        .setLabel(_('Opacity (0-255)'))
+        .setGroup(_('Appearance'));
 
       objectProperties
         .getOrCreate('fontSize')
         .setValue(objectContent.fontSize.toString())
         .setType('number')
-        .setLabel(_('Base size'));
+        .setLabel(_('Base size'))
+        .setGroup(_('Font'));
 
       objectProperties
         .getOrCreate('align')
@@ -88,33 +91,36 @@ module.exports = {
         .addExtraInfo('left')
         .addExtraInfo('center')
         .addExtraInfo('right')
-        .setLabel(_('Base alignment'));
+        .setLabel(_('Base alignment'))
+        .setGroup(_('Appearance'));
 
       objectProperties
         .getOrCreate('fontFamily')
         .setValue(objectContent.fontFamily)
         .setType('resource')
         .addExtraInfo('font')
-        .setLabel(_('Base font family'));
+        .setLabel(_('Font'))
+        .setGroup(_('Font'));
 
       objectProperties
         .getOrCreate('wordWrap')
         .setValue(objectContent.wordWrap ? 'true' : 'false')
         .setType('boolean')
-        .setLabel(_('Word wrapping'));
+        .setLabel(_('Word wrapping'))
+        .setGroup(_('Appearance'));
 
       objectProperties
         .getOrCreate('visible')
         .setValue(objectContent.visible ? 'true' : 'false')
         .setType('boolean')
-        .setLabel(_('Visible on start'));
+        .setLabel(_('Visible on start'))
+        .setGroup(_('Appearance'));
 
       return objectProperties;
     };
     objectBBText.setRawJSONContent(
       JSON.stringify({
-        text:
-          '[b]bold[/b] [i]italic[/i] [size=15]smaller[/size] [font=times]times[/font] font\n[spacing=12]spaced out[/spacing]\n[outline=yellow]outlined[/outline] [shadow=red]DropShadow[/shadow] ',
+        text: '[b]bold[/b] [i]italic[/i] [size=15]smaller[/size] [font=times]times[/font] font\n[spacing=12]spaced out[/spacing]\n[outline=yellow]outlined[/outline] [shadow=red]DropShadow[/shadow] ',
         opacity: 255,
         fontSize: 20,
         visible: true,
@@ -161,7 +167,8 @@ module.exports = {
       .addIncludeFile('Extensions/BBText/bbtextruntimeobject-pixi-renderer.js')
       .addIncludeFile(
         'Extensions/BBText/pixi-multistyle-text/dist/pixi-multistyle-text.umd.js'
-      );
+      )
+      .setCategoryFullName(_('Texts'));
 
     /**
      * Utility function to add both a setter and a getter to a property from a list.
@@ -511,7 +518,8 @@ module.exports = {
       this._pixiObject.alpha = opacity / 255;
 
       const color = properties.get('color').getValue();
-      this._pixiObject.textStyles.default.fill = objectsRenderingService.rgbOrHexToHexNumber(color);
+      this._pixiObject.textStyles.default.fill =
+        objectsRenderingService.rgbOrHexToHexNumber(color);
 
       const fontSize = properties.get('fontSize').getValue();
       this._pixiObject.textStyles.default.fontSize = `${fontSize}px`;

Extensions/BitmapText/JsExtension.js

@@ -29,7 +29,9 @@ module.exports = {
       .setExtensionInformation(
         'BitmapText',
         _('Bitmap Text'),
-        _('Displays a text using a "Bitmap Font" (an image representing characters). This is more performant than a traditional Text object and it allows for complete control on the characters aesthetic.'),
+        _(
+          'Displays a text using a "Bitmap Font" (an image representing characters). This is more performant than a traditional Text object and it allows for complete control on the characters aesthetic.'
+        ),
         'Aurélien Vivet',
         'Open source (MIT License)'
       )
@@ -67,7 +69,8 @@ module.exports = {
         .getOrCreate('opacity')
         .setValue(objectContent.opacity.toString())
         .setType('number')
-        .setLabel(_('Opacity (0-255)'));
+        .setLabel(_('Opacity (0-255)'))
+        .setGroup(_('Appearance'));
 
       objectProperties
         .getOrCreate('align')
@@ -76,46 +79,51 @@ module.exports = {
         .addExtraInfo('left')
         .addExtraInfo('center')
         .addExtraInfo('right')
-        .setLabel(_('Alignment, when multiple lines are displayed'));
+        .setLabel(_('Alignment, when multiple lines are displayed'))
+        .setGroup(_('Appearance'));
 
       objectProperties
         .getOrCreate('bitmapFontResourceName')
         .setValue(objectContent.bitmapFontResourceName)
         .setType('resource')
         .addExtraInfo('bitmapFont') //fnt or xml files
-        .setLabel(_('Bitmap Font'));
+        .setLabel(_('Bitmap Font'))
+        .setGroup(_("Font"));
 
       objectProperties
         .getOrCreate('textureAtlasResourceName')
         .setValue(objectContent.textureAtlasResourceName)
         .setType('resource')
         .addExtraInfo('image')
-        .setLabel(_('Bitmap atlas image'));
+        .setLabel(_('Bitmap atlas image'))
+        .setGroup(_("Font"));
 
       objectProperties
         .getOrCreate('scale')
         .setValue(objectContent.scale.toString())
         .setType('number')
-        .setLabel(_('Text scale'));
+        .setLabel(_('Text scale'))
+        .setGroup(_('Appearance'));
 
       objectProperties
         .getOrCreate('tint')
         .setValue(objectContent.tint)
         .setType('color')
-        .setLabel(_('Font tint'));
+        .setLabel(_('Font tint'))
+        .setGroup(_("Font"));
 
       objectProperties
         .getOrCreate('wordWrap')
         .setValue(objectContent.wordWrap ? 'true' : 'false')
         .setType('boolean')
-        .setLabel(_('Word wrapping'));
+        .setLabel(_('Word wrapping'))
+        .setGroup(_('Appearance'));
 
       return objectProperties;
     };
     bitmapTextObject.setRawJSONContent(
       JSON.stringify({
-        text:
-          'This text use the default bitmap font.\nUse a custom Bitmap Font to create your own texts.',
+        text: 'This text use the default bitmap font.\nUse a custom Bitmap Font to create your own texts.',
         opacity: 255,
         scale: 1,
         fontSize: 20,
@@ -162,7 +170,8 @@ module.exports = {
       .setIncludeFile('Extensions/BitmapText/bitmaptextruntimeobject.js')
       .addIncludeFile(
         'Extensions/BitmapText/bitmaptextruntimeobject-pixi-renderer.js'
-      );
+      )
+      .setCategoryFullName(_('Texts'));
 
     object
       .addExpressionAndConditionAndAction(
@@ -265,7 +274,12 @@ module.exports = {
         'res/actions/font.png'
       )
       .addParameter('object', _('Bitmap text'), 'BitmapTextObject', false)
-      .addParameter('bitmapFontResource', _('Bitmap font resource name'), '', false)
+      .addParameter(
+        'bitmapFontResource',
+        _('Bitmap font resource name'),
+        '',
+        false
+      )
       .setParameterLongDescription(
         'The resource name of the font file, without quotes.'
       )
@@ -384,7 +398,7 @@ module.exports = {
     objectsEditorService.registerEditorConfiguration(
       'BitmapText::BitmapTextObject',
       objectsEditorService.getDefaultObjectJsImplementationPropertiesEditor({
-        helpPagePath: '/objects/bitmaptext',
+        helpPagePath: '/objects/bitmap_text',
       })
     );
   },
@@ -634,7 +648,8 @@ module.exports = {
       this._pixiObject.align = align;
 
       const color = properties.get('tint').getValue();
-      this._pixiObject.tint = objectsRenderingService.rgbOrHexToHexNumber(color);
+      this._pixiObject.tint =
+        objectsRenderingService.rgbOrHexToHexNumber(color);
 
       const scale = properties.get('scale').getValue() || 1;
       this._pixiObject.scale.set(scale);

Extensions/DebuggerTools/JsExtension.js

@@ -25,13 +25,18 @@ module.exports = {
     gd /*: libGDevelop */
   ) {
     const extension = new gd.PlatformExtension();
-    extension.setExtensionInformation(
-      'DebuggerTools',
-      _('Debugger Tools'),
-      _('Allow to interact with the editor debugger from the game.'),
-      'Arthur Pacaud (arthuro555), Aurélien Vivet (Bouh)',
-      'MIT'
-    );
+    extension
+      .setExtensionInformation(
+        'DebuggerTools',
+        _('Debugger Tools'),
+        _('Allow to interact with the editor debugger from the game.'),
+        'Arthur Pacaud (arthuro555), Aurélien Vivet (Bouh)',
+        'MIT'
+      )
+      .setCategory('Advanced');
+    extension
+      .addInstructionOrExpressionGroupMetadata(_('Debugger Tools'))
+      .setIcon('res/actions/bug32.png');
 
     extension
       .addAction(
@@ -42,7 +47,7 @@ module.exports = {
             'Note that events will be still executed until the end before the game is paused.'
         ),
         _('Pause game execution'),
-        _('Debugger Tools'),
+        '',
         'res/actions/bug32.png',
         'res/actions/bug32.png'
       )
@@ -61,7 +66,7 @@ module.exports = {
         _(
           'Enable debugging view of bounding boxes/collision masks: _PARAM1_ (include invisible objects: _PARAM2_, point names: _PARAM3_, custom points: _PARAM4_)'
         ),
-        _('Debugger Tools'),
+        '',
         'res/actions/planicon24.png',
         'res/actions/planicon.png'
       )
@@ -91,7 +96,7 @@ module.exports = {
         _(
           'Log message _PARAM0_ of type _PARAM1_ to the console in group _PARAM2_'
         ),
-        _('Debugger Tools'),
+        '',
         'res/actions/bug32.png',
         'res/actions/bug32.png'
       )

Extensions/DestroyOutsideBehavior/DestroyOutsideBehavior.h

@@ -15,7 +15,7 @@ class SerializerElement;
 }
 
 /**
- * \brief Behavior that allows objects to be dragged with the mouse (or touch).
+ * \brief Behavior that destroys object outside the screen.
  */
 class GD_EXTENSION_API DestroyOutsideBehavior : public gd::Behavior {
  public:

Extensions/DestroyOutsideBehavior/Extension.cpp

@@ -26,7 +26,7 @@ void DeclareDestroyOutsideBehaviorExtension(gd::PlatformExtension& extension) {
       extension.AddBehavior("DestroyOutside",
                             _("Destroy when outside of the screen"),
                             _("DestroyOutside"),
-                            _("Automatically destroy the object when it goes "
+                            _("Destroy objects automatically when they go "
                               "outside of the screen's borders."),
                             "",
                             "CppPlatform/Extensions/destroyoutsideicon.png",

Extensions/DeviceSensors/JsExtension.js

@@ -30,7 +30,10 @@ module.exports = {
       ),
       "Matthias Meike",
       "Open source (MIT License)"
-    ).setExtensionHelpPath("/all-features/device-sensors");
+    ).setExtensionHelpPath("/all-features/device-sensors")
+    .setCategory('Device');
+    extension.addInstructionOrExpressionGroupMetadata(_("Device sensors"))
+        .setIcon("JsPlatform/Extensions/orientation_active32.png");
 
     extension
       .addCondition(
@@ -40,8 +43,8 @@ module.exports = {
           "The condition is true if the device orientation sensor is currently active"
         ),
         _("Orientation sensor is active"),
-        _("Sensors/Orientation"),
-        "JsPlatform/Extensions/orientation_active24.png",
+        _("Orientation"),
+        "JsPlatform/Extensions/orientation_active32.png",
         "JsPlatform/Extensions/orientation_active32.png"
       )
       .getCodeExtraInformation()
@@ -58,8 +61,8 @@ module.exports = {
           "Compare the value of orientation alpha. (Range: 0 to 360°)"
         ),
         _("the orientation alpha"),
-        _("Sensors/Orientation"),
-        "JsPlatform/Extensions/orientation_alpha24.png",
+        _("Orientation"),
+        "JsPlatform/Extensions/orientation_alpha32.png",
         "JsPlatform/Extensions/orientation_alpha32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -78,8 +81,8 @@ module.exports = {
           "Compare the value of orientation beta. (Range: -180 to 180°)"
         ),
         _("the orientation beta"),
-        _("Sensors/Orientation"),
-        "JsPlatform/Extensions/orientation_beta24.png",
+        _("Orientation"),
+        "JsPlatform/Extensions/orientation_beta32.png",
         "JsPlatform/Extensions/orientation_beta32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -98,8 +101,8 @@ module.exports = {
           "Compare the value of orientation gamma. (Range: -90 to 90°)"
         ),
         _("the orientation gamma"),
-        _("Sensors/Orientation"),
-        "JsPlatform/Extensions/orientation_gamma24.png",
+        _("Orientation"),
+        "JsPlatform/Extensions/orientation_gamma32.png",
         "JsPlatform/Extensions/orientation_gamma32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -116,8 +119,8 @@ module.exports = {
         _("Activate orientation sensor"),
         _("Activate the orientation sensor. (remember to turn it off again)"),
         _("Activate the orientation sensor."),
-        _("Sensors/Orientation"),
-        "JsPlatform/Extensions/orientation_active24.png",
+        _("Orientation"),
+        "JsPlatform/Extensions/orientation_active32.png",
         "JsPlatform/Extensions/orientation_active32.png"
       )
         .getCodeExtraInformation()
@@ -132,8 +135,8 @@ module.exports = {
         _("Deactivate orientation sensor"),
         _("Deactivate the orientation sensor."),
         _("Deactivate the orientation sensor."),
-        _("Sensors/Orientation"),
-        "JsPlatform/Extensions/orientation_inactive24.png",
+        _("Orientation"),
+        "JsPlatform/Extensions/orientation_inactive32.png",
         "JsPlatform/Extensions/orientation_inactive32.png"
       )
         .getCodeExtraInformation()
@@ -147,7 +150,7 @@ module.exports = {
         "OrientationAbsolute",
         _("Is Absolute"),
         _("Get if the devices orientation is absolute and not relative"),
-        _("Sensors/Orientation"),
+        _("Orientation"),
 	"JsPlatform/Extensions/orientation_absolute16.png"
       )
       .getCodeExtraInformation()
@@ -161,7 +164,7 @@ module.exports = {
         "OrientationAlpha",
         _("Alpha value"),
         _("Get the devices orientation Alpha (compass)"),
-        _("Sensors/Orientation"),
+        _("Orientation"),
 	"JsPlatform/Extensions/orientation_alpha16.png"
       )
       .getCodeExtraInformation()
@@ -175,7 +178,7 @@ module.exports = {
         "OrientationBeta",
         _("Beta value"),
         _("Get the devices orientation Beta"),
-        _("Sensors/Orientation"),
+        _("Orientation"),
 	"JsPlatform/Extensions/orientation_beta16.png"
       )
       .getCodeExtraInformation()
@@ -189,7 +192,7 @@ module.exports = {
         "OrientationGamma",
         _("Gamma value"),
         _("Get the devices orientation Gamma value"),
-        _("Sensors/Orientation"),
+        _("Orientation"),
 	"JsPlatform/Extensions/orientation_gamma16.png"
       )
       .getCodeExtraInformation()
@@ -206,8 +209,8 @@ module.exports = {
           "The condition is true if the device motion sensor is currently active"
         ),
         _("Motion sensor is active"),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_active24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_active32.png",
         "JsPlatform/Extensions/motion_active32.png"
       )
       .getCodeExtraInformation()
@@ -224,8 +227,8 @@ module.exports = {
           "Compare the value of rotation alpha. (Note: few devices support this sensor)"
         ),
         _("the rotation alpha"),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_rotation_alpha24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_rotation_alpha32.png",
         "JsPlatform/Extensions/motion_rotation_alpha32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -244,8 +247,8 @@ module.exports = {
           "Compare the value of rotation beta. (Note: few devices support this sensor)"
         ),
         _("the rotation beta"),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_rotation_beta24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_rotation_beta32.png",
         "JsPlatform/Extensions/motion_rotation_beta32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -264,8 +267,8 @@ module.exports = {
           "Compare the value of rotation gamma. (Note: few devices support this sensor)"
         ),
         _("the rotation gamma"),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_rotation_gamma24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_rotation_gamma32.png",
         "JsPlatform/Extensions/motion_rotation_gamma32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -284,8 +287,8 @@ module.exports = {
           "Compare the value of acceleration on the X-axis (m/s²)."
         ),
         _("the acceleration X"),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_acceleration_x24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_acceleration_x32.png",
         "JsPlatform/Extensions/motion_acceleration_x32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -304,8 +307,8 @@ module.exports = {
           "Compare the value of acceleration on the Y-axis (m/s²)."
         ),
         _("the acceleration Y"),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_acceleration_y24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_acceleration_y32.png",
         "JsPlatform/Extensions/motion_acceleration_y32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -324,8 +327,8 @@ module.exports = {
           "Compare the value of acceleration on the Z-axis (m/s²)."
         ),
         _("the acceleration Z"),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_acceleration_z24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_acceleration_z32.png",
         "JsPlatform/Extensions/motion_acceleration_z32.png"
       )
       .addParameter("relationalOperator", _("Sign of the test"), "number")
@@ -342,8 +345,8 @@ module.exports = {
         _("Activate motion sensor"),
         _("Activate the motion sensor. (remember to turn it off again)"),
         _("Activate the motion sensor."),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_active24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_active32.png",
         "JsPlatform/Extensions/motion_active32.png"
       )
         .getCodeExtraInformation()
@@ -358,8 +361,8 @@ module.exports = {
         _("Deactivate motion sensor"),
         _("Deactivate the motion sensor."),
         _("Deactivate the motion sensor."),
-        _("Sensors/Motion"),
-        "JsPlatform/Extensions/motion_inactive24.png",
+        _("Motion"),
+        "JsPlatform/Extensions/motion_inactive32.png",
         "JsPlatform/Extensions/motion_inactive32.png"
       )
         .getCodeExtraInformation()
@@ -373,7 +376,7 @@ module.exports = {
         "RotationAlpha",
         _("Alpha value"),
         _("Get the devices rotation Alpha"),
-        _("Sensors/Motion"),
+        _("Motion"),
 	"JsPlatform/Extensions/motion_rotation_alpha16.png"
       )
       .getCodeExtraInformation()
@@ -387,7 +390,7 @@ module.exports = {
         "RotationBeta",
         _("Beta value"),
         _("Get the devices rotation Beta"),
-        _("Sensors/Motion"),
+        _("Motion"),
 	"JsPlatform/Extensions/motion_rotation_beta16.png"
       )
       .getCodeExtraInformation()
@@ -401,7 +404,7 @@ module.exports = {
         "RotationGamma",
         _("Gamma value"),
         _("Get the devices rotation Gamma"),
-        _("Sensors/Motion"),
+        _("Motion"),
 	"JsPlatform/Extensions/motion_rotation_gamma16.png"
       )
       .getCodeExtraInformation()
@@ -415,7 +418,7 @@ module.exports = {
         "AccelerationX",
         _("Acceleration X value"),
         _("Get the devices acceleration on the X-axis (m/s²)"),
-        _("Sensors/Motion"),
+        _("Motion"),
 	"JsPlatform/Extensions/motion_acceleration_x16.png"
       )
       .getCodeExtraInformation()
@@ -429,7 +432,7 @@ module.exports = {
         "AccelerationY",
         _("Acceleration Y value"),
         _("Get the devices acceleration on the Y-axis (m/s²)"),
-        _("Sensors/Motion"),
+        _("Motion"),
 	"JsPlatform/Extensions/motion_acceleration_y16.png"
       )
       .getCodeExtraInformation()
@@ -443,7 +446,7 @@ module.exports = {
         "AccelerationZ",
         _("Acceleration Z value"),
         _("Get the devices acceleration on the Z-axis (m/s²)"),
-        _("Sensors/Motion"),
+        _("Motion"),
 	"JsPlatform/Extensions/motion_acceleration_z16.png"
       )
       .getCodeExtraInformation()

Extensions/DeviceVibration/JsExtension.js

@@ -34,7 +34,10 @@ module.exports = {
         'Matthias Meike',
         'Open source (MIT License)'
       )
-      .setExtensionHelpPath('/all-features/device-vibration');
+      .setExtensionHelpPath('/all-features/device-vibration')
+      .setCategory('Device');
+      extension.addInstructionOrExpressionGroupMetadata(_("Device vibration"))
+          .setIcon("JsPlatform/Extensions/vibration_start32.png");
 
     extension
       .addDependency()
@@ -49,8 +52,8 @@ module.exports = {
         _('Vibrate'),
         _('Vibrate (Duration in ms).'),
         _('Start vibration for _PARAM0_ ms'),
-        _('Vibration'),
-        'JsPlatform/Extensions/vibration_start24.png',
+        '',
+        'JsPlatform/Extensions/vibration_start32.png',
         'JsPlatform/Extensions/vibration_start32.png'
       )
       .addParameter('expression', _('Duration'), '', false)
@@ -66,8 +69,8 @@ module.exports = {
           'Vibrate (Duration in ms). You can add multiple comma-separated values where every second value determines the period of silence between two vibrations. This is a string value so use quotes.'
         ),
         _('Start vibration for _PARAM0_ ms'),
-        _('Vibration'),
-        'JsPlatform/Extensions/vibration_pattern_start24.png',
+        '',
+        'JsPlatform/Extensions/vibration_pattern_start32.png',
         'JsPlatform/Extensions/vibration_pattern_start32.png'
       )
       .addParameter(
@@ -86,8 +89,8 @@ module.exports = {
         _('Stop vibration'),
         _('Stop the vibration'),
         _('Stop vibration'),
-        _('Vibration'),
-        'JsPlatform/Extensions/vibration_stop24.png',
+        '',
+        'JsPlatform/Extensions/vibration_stop32.png',
         'JsPlatform/Extensions/vibration_stop32.png'
       )
       .getCodeExtraInformation()

Extensions/DialogueTree/JsExtension.js

@@ -28,12 +28,16 @@ module.exports = {
     extension
       .setExtensionInformation(
         'DialogueTree',
-        _('Dialogue Tree (Experimental)'),
+        _('Dialogue Tree (experimental)'),
         'Handle dialogue trees, made using Yarn Spinner. Useful to make complex dialogues with multiple choices. The Yarn Spinner editor is embedded in GDevelop so you can edit your dialogues without leaving GDevelop.',
         'Todor Imreorov',
         'Open source (MIT License)'
       )
-      .setExtensionHelpPath('/all-features/dialogue-tree');
+      .setExtensionHelpPath('/all-features/dialogue-tree')
+      .setCategory('Advanced');
+    extension
+      .addInstructionOrExpressionGroupMetadata(_('Dialogue Tree (experimental)'))
+      .setIcon('JsPlatform/Extensions/yarn32.png');
 
     extension
       .addAction(
@@ -43,8 +47,8 @@ module.exports = {
           'Load a dialogue data object - Yarn json format, stored in a scene variable. Use this command to load all the Dialogue data at the beginning of the game.'
         ),
         _('Load dialogue data from Scene variable _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter(
@@ -66,8 +70,8 @@ module.exports = {
           'Load a dialogue data object - Yarn json format, stored in a Json file. Use this command to load all the Dialogue data at the beginning of the game.'
         ),
         _('Load dialogue data from json file _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addCodeOnlyParameter('currentScene', '')
@@ -90,8 +94,8 @@ module.exports = {
           'Start dialogue from branch. Use this to initiate the dialogue from a specified branch.'
         ),
         _('Start dialogue from branch _PARAM0_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('Dialogue branch'), '', false)
@@ -104,8 +108,8 @@ module.exports = {
         _('Stop running dialogue'),
         _('Stop the running dialogue. Use this to interrupt dialogue parsing.'),
         _('Stop running dialogue'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -119,8 +123,8 @@ module.exports = {
           'Go to the next dialogue line. Use this to advance to the next dialogue line when the player presses a button.'
         ),
         _('Go to the next dialogue line'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -134,8 +138,8 @@ module.exports = {
           'Set the selected option as confirmed, which will validate it and go forward to the next node. Use other actions to select options (see "select next option" and "Select previous option").'
         ),
         _('Confirm selected Option'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -149,8 +153,8 @@ module.exports = {
           'Select next Option (add 1 to selected option number). Use this when the dialogue line is of type "options" and the player has pressed a button to change selected option.'
         ),
         _('Select next Option'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -164,8 +168,8 @@ module.exports = {
           'Select previous Option (subtract 1 from selected option number). Use this when the dialogue line is of type "options" and the player has pressed a button to change selected option.'
         ),
         _('Select previous Option'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -179,8 +183,8 @@ module.exports = {
           'Select option by number. Use this when the dialogue line is of type "options" and the player has pressed a button to change selected option.'
         ),
         _('Select option at index _PARAM0_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('expression', _('Option index number'), '', false)
@@ -195,8 +199,8 @@ module.exports = {
           'Scroll clipped text. Use this with a timer and "get clipped text" when you want to create a typewriter effect. Every time the action runs, a new character appears from the text.'
         ),
         _('Scroll clipped text'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -210,8 +214,8 @@ module.exports = {
           'Complete the clipped text scrolling. Use this action whenever you want to skip scrolling.'
         ),
         _('Complete clipped text scrolling'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -225,8 +229,8 @@ module.exports = {
           'Set dialogue state string variable. Use this to set a variable that the dialogue data is using.'
         ),
         _('Set dialogue state string variable _PARAM0_ to _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('State Variable Name'), '', false)
@@ -242,8 +246,8 @@ module.exports = {
           'Set dialogue state number variable. Use this to set a variable that the dialogue data is using.'
         ),
         _('Set dialogue state number variable _PARAM0_ to _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('State Variable Name'), '', false)
@@ -259,8 +263,8 @@ module.exports = {
           'Set dialogue state boolean variable. Use this to set a variable that the dialogue data is using.'
         ),
         _('Set dialogue state boolean variable _PARAM0_ to _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('State Variable Name'), '', false)
@@ -276,8 +280,8 @@ module.exports = {
           'Save dialogue state. Use this to store the dialogue state into a variable, which can later be used for saving the game. That way player choices can become part of the game save.'
         ),
         _('Save dialogue state to _PARAM0_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('globalvar', _('Global Variable'))
@@ -292,8 +296,8 @@ module.exports = {
           'Load dialogue state. Use this to restore dialogue state, if you have stored in a variable before with the "Save state" action.'
         ),
         _('Load dialogue state from _PARAM0_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('globalvar', _('Global Variable'), '', false)
@@ -308,8 +312,8 @@ module.exports = {
           'Clear dialogue state. This resets all dialogue state accumulated by the player choices. Useful when the player is starting a new game.'
         ),
         _('Clear dialogue state'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -320,7 +324,7 @@ module.exports = {
         'LineText',
         _('Get the current dialogue line text'),
         _('Returns the current dialogue line text'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -331,7 +335,7 @@ module.exports = {
         'OptionsCount',
         _('Get the number of options in an options line type'),
         _('Get the number of options in an options line type'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -344,7 +348,7 @@ module.exports = {
         _(
           "Get the text of an option from an Options line type, using the option's Number. The numbers start from 0."
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('expression', _('Option Index Number'), '', false)
@@ -358,7 +362,7 @@ module.exports = {
         _(
           "Get the text of all available options from an Options line type as a horizontal list. You can also pass the selected option's cursor string, which by default is ->"
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('Options Selection Cursor'), '', false)
@@ -373,7 +377,7 @@ module.exports = {
         _(
           "Get the text of all available options from an Options line type as a vertical list. You can also pass the selected option's cursor string, which by default is ->"
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('Options Selection Cursor'), '', false)
@@ -388,7 +392,7 @@ module.exports = {
         _(
           'Get the number of the currently selected option. Use this to help you render the option selection marker at the right place.'
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -401,7 +405,7 @@ module.exports = {
         _(
           'Get dialogue line text clipped by the typewriter effect. Use the "Scroll clipped text" action to control the typewriter effect.'
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -412,7 +416,7 @@ module.exports = {
         'BranchTitle',
         _('Get the title of the current branch of the running dialogue'),
         _('Get the title of the current branch of the running dialogue'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -423,7 +427,7 @@ module.exports = {
         'BranchTags',
         _('Get the tags of the current branch of the running dialogue'),
         _('Get the tags of the current branch of the running dialogue'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -438,7 +442,7 @@ module.exports = {
         _(
           'Get a tag of the current branch of the running dialogue via its index'
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('expression', _('Tag Index Number'), '', false)
@@ -452,7 +456,7 @@ module.exports = {
         _(
           'Get the parameters of a command call - <<command withParameter anotherParameter>>'
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('expression', _('parameter Index Number'), '', true)
@@ -464,7 +468,7 @@ module.exports = {
         'CommandParametersCount',
         _('Get the number of parameters in the currently passed command'),
         _('Get the number of parameters in the currently passed command'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -479,7 +483,7 @@ module.exports = {
         _(
           'Get parameter from a Tag found by the branch contains tag condition'
         ),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('expression', _('parameter Index Number'), '', true)
@@ -491,7 +495,7 @@ module.exports = {
         'VisitedBranchTitles',
         _('Get a list of all visited branches'),
         _('Get a list of all visited branches'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -502,7 +506,7 @@ module.exports = {
         'BranchText',
         _('Get the full raw text of the current branch'),
         _('Get the full raw text of the current branch'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -513,7 +517,7 @@ module.exports = {
         'Variable',
         _('Get dialogue state value'),
         _('Get dialogue state value'),
-        _('Dialogue Tree (experimental)'),
+        '',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('Variable Name'), '', false)
@@ -528,8 +532,8 @@ module.exports = {
           'Check if a specific Command is called. If it is a <<command withParameter>>, you can even get the parameter with the CommandParameter expression.'
         ),
         _('Command <<_PARAM0_>> is called'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('Command String'), '', false)
@@ -541,11 +545,11 @@ module.exports = {
         'IsDialogueLineType',
         _('Dialogue line type'),
         _(
-          'Check if the the current dialogue line line is one of the three existing types. Use this to set what logic is executed for each type.\nThe three types are as follows:\n- text: when displaying dialogue text.\n- options: when displaying [[branching/options]] for dialogue choices.\n-command: when <<commands>> are triggered by the dialogue data.'
+          'Check if the current dialogue line line is one of the three existing types. Use this to set what logic is executed for each type.\nThe three types are as follows:\n- text: when displaying dialogue text.\n- options: when displaying [[branching/options]] for dialogue choices.\n-command: when <<commands>> are triggered by the dialogue data.'
         ),
         _('The dialogue line is _PARAM0_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter(
@@ -565,8 +569,8 @@ module.exports = {
           'Check if the dialogue is running. Use this to for things like locking the player movement while speaking with a non player character.'
         ),
         _('Dialogue is running'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -580,8 +584,8 @@ module.exports = {
           'Check if the dialogue has a branch with specified name. Use this to check if a dialogue branch exists in the loaded dialogue data.'
         ),
         _('Dialogue has a branch named _PARAM0_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('Branch name'), '', false)
@@ -596,8 +600,8 @@ module.exports = {
           'Check if a selected option has changed when the current dialogue line type is options. Use this to detect when the player has selected another option, so you can re-draw where the selection arrow is.'
         ),
         _('Selected option has changed'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()
@@ -611,8 +615,8 @@ module.exports = {
           'Check if the current dialogue branch title is equal to a string. Use this to trigger game events when the player has visited a specific dialogue branch.'
         ),
         _('The current dialogue branch title is _PARAM0_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('title name'), '', false)
@@ -627,8 +631,8 @@ module.exports = {
           'Check if the current dialogue branch contains a specific tag. Tags are an alternative useful way to <<commands>> to drive game logic with the dialogue data.'
         ),
         _('The current dialogue branch contains a _PARAM0_ tag'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('tag name'), '', false)
@@ -641,8 +645,8 @@ module.exports = {
         _('Branch title has been visited'),
         _('Check if a branch has been visited'),
         _('Branch title _PARAM0_ has been visited'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('branch title'), '', false)
@@ -657,8 +661,8 @@ module.exports = {
           'Compare dialogue state string variable. Use this to trigger game events via dialogue variables.'
         ),
         _('Dialogue state string variable _PARAM0_ is equal to _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('State variable'), '', false)
@@ -674,8 +678,8 @@ module.exports = {
           'Compare dialogue state number variable. Use this to trigger game events via dialogue variables.'
         ),
         _('Dialogue state number variable _PARAM0_ is equal to _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('State variable'), '', false)
@@ -691,8 +695,8 @@ module.exports = {
           'Compare dialogue state variable. Use this to trigger game events via dialogue variables.'
         ),
         _('Dialogue state boolean variable _PARAM0_ is equal to _PARAM1_'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .addParameter('string', _('State variable'), '', false)
@@ -708,8 +712,8 @@ module.exports = {
           'Check if the clipped text scrolling has completed. Use this to prevent the player from going to the next dialogue line before the typing effect has revealed the entire text.'
         ),
         _('Clipped text has completed scrolling'),
-        _('Dialogue Tree (experimental)'),
-        'JsPlatform/Extensions/yarn24.png',
+        '',
+        'JsPlatform/Extensions/yarn32.png',
         'JsPlatform/Extensions/yarn32.png'
       )
       .getCodeExtraInformation()

Extensions/DraggableBehavior/DraggableBehavior.cpp

@@ -6,6 +6,42 @@ This project is released under the MIT License.
 */
 
 #include "DraggableBehavior.h"
+
+#include "GDCore/CommonTools.h"
+#include "GDCore/Project/PropertyDescriptor.h"
 #include "GDCore/Serialization/SerializerElement.h"
+#include "GDCore/Tools/Localization.h"
 
 DraggableBehavior::DraggableBehavior() {}
+
+void DraggableBehavior::InitializeContent(gd::SerializerElement& content) {
+  content.SetAttribute("checkCollisionMask", true);
+}
+
+std::map<gd::String, gd::PropertyDescriptor> DraggableBehavior::GetProperties(
+    const gd::SerializerElement& behaviorContent) const {
+  std::map<gd::String, gd::PropertyDescriptor> properties;
+  properties["checkCollisionMask"]
+      .SetValue(behaviorContent.GetBoolAttribute("checkCollisionMask")
+                    ? "true"
+                    : "false")
+      .SetType("Boolean")
+      .SetLabel(_("Do a precision check against the object's collision mask"))
+      .SetDescription(
+          _("Use the object (custom) collision mask instead of the bounding "
+            "box, making the behavior more precise at the cost of "
+            "reduced performance"));
+  ;
+
+  return properties;
+}
+
+bool DraggableBehavior::UpdateProperty(gd::SerializerElement& behaviorContent,
+                                       const gd::String& name,
+                                       const gd::String& value) {
+  if (name == "checkCollisionMask") {
+    behaviorContent.SetAttribute("checkCollisionMask", (value != "0"));
+    return true;
+  }
+  return false;
+}

Extensions/DraggableBehavior/DraggableBehavior.h

@@ -24,9 +24,20 @@ class GD_EXTENSION_API DraggableBehavior : public gd::Behavior {
  public:
   DraggableBehavior();
   virtual ~DraggableBehavior(){};
-  virtual Behavior* Clone() const { return new DraggableBehavior(*this); }
+  virtual Behavior* Clone() const override {
+    return new DraggableBehavior(*this);
+  }
 
- private:
+#if defined(GD_IDE_ONLY)
+  virtual std::map<gd::String, gd::PropertyDescriptor> GetProperties(
+      const gd::SerializerElement& behaviorContent) const override;
+  virtual bool UpdateProperty(gd::SerializerElement& behaviorContent,
+                              const gd::String& name,
+                              const gd::String& value) override;
+#endif
+
+  virtual void InitializeContent(
+      gd::SerializerElement& behaviorContent) override;
 };
 
 #endif  // DRAGGABLEBEHAVIOR_H

Extensions/DraggableBehavior/Extension.cpp

@@ -26,7 +26,7 @@ void DeclareDraggableBehaviorExtension(gd::PlatformExtension& extension) {
       "Draggable",
       _("Draggable object"),
       _("Draggable"),
-      _("Allows objects to be moved using the mouse (or touch)."),
+      _("Move objects by holding a mouse button (or touch)."),
       "",
       "CppPlatform/Extensions/draggableicon.png",
       "DraggableBehavior",

Extensions/DraggableBehavior/draggableruntimebehavior.ts

@@ -14,9 +14,11 @@ namespace gdjs {
      * When the owner is being dragged, no other manager can start dragging it.
      */
     _draggedByDraggableManager: DraggableManager | null = null;
+    _checkCollisionMask: boolean;
 
     constructor(runtimeScene, behaviorData, owner) {
       super(runtimeScene, behaviorData, owner);
+      this._checkCollisionMask = behaviorData.checkCollisionMask ? true : false;
     }
 
     updateFromBehaviorData(oldBehaviorData, newBehaviorData): boolean {
@@ -196,6 +198,14 @@ namespace gdjs {
         !draggableRuntimeBehavior.owner.insideObject(position[0], position[1])
       ) {
         return false;
+      } else if (
+        draggableRuntimeBehavior._checkCollisionMask &&
+        !draggableRuntimeBehavior.owner.isCollidingWithPoint(
+          position[0],
+          position[1]
+        )
+      ) {
+        return false;
       }
       if (this._draggableBehavior) {
         // The previous best object to drag will not be dragged.

Extensions/DraggableBehavior/tests/draggableruntimebehavior.spec.js

@@ -34,20 +34,29 @@ describe('gdjs.DraggableRuntimeBehavior', function () {
     instances: [],
   });
 
-  var object = new gdjs.RuntimeObject(runtimeScene, {
+  var object = new gdjs.TestRuntimeObject(runtimeScene, {
     name: 'obj1',
     type: '',
     behaviors: [{ name: 'Behavior1', type: 'DraggableBehavior::Draggable' }],
     variables: [],
     effects: [],
   });
-  var object2 = new gdjs.RuntimeObject(runtimeScene, {
+  object.setCustomWidthAndHeight(10, 10);
+  var object2 = new gdjs.TestRuntimeObject(runtimeScene, {
     name: 'obj1',
     type: '',
-    behaviors: [{ name: 'Behavior1', type: 'DraggableBehavior::Draggable' }],
+    behaviors: [
+      {
+        name: 'Behavior1',
+        type: 'DraggableBehavior::Draggable',
+        // @ts-ignore - properties are not typed
+        checkCollisionMask: true,
+      },
+    ],
     variables: [],
     effects: [],
   });
+  object2.setCustomWidthAndHeight(10, 10);
   runtimeScene.addObject(object);
   runtimeScene.addObject(object2);
 
@@ -96,6 +105,70 @@ describe('gdjs.DraggableRuntimeBehavior', function () {
       expect(object.getY()).to.be(700);
     });
 
+    it('can drag an object without collision mask check', function () {
+      object.setPosition(450, 500);
+      object.setAngle(45);
+
+      // Dragged point is in the bounding box but not in hitbox
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onMouseMove(450, 500);
+      runtimeGame
+        .getInputManager()
+        .onMouseButtonPressed(gdjs.InputManager.MOUSE_LEFT_BUTTON);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onMouseMove(750, 600);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame
+        .getInputManager()
+        .onMouseButtonReleased(gdjs.InputManager.MOUSE_LEFT_BUTTON);
+      runtimeScene.renderAndStep(1000 / 60);
+
+      expect(object.getX()).to.be(750);
+      expect(object.getY()).to.be(600);
+
+      object.setAngle(0);
+    });
+
+    it('can drag an object with collision mask check', function () {
+      object2.setPosition(450, 500);
+      object2.setAngle(45);
+
+      // Dragged point is in the bounding box but not in hitbox
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onMouseMove(450, 500);
+      runtimeGame
+        .getInputManager()
+        .onMouseButtonPressed(gdjs.InputManager.MOUSE_LEFT_BUTTON);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onMouseMove(750, 600);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame
+        .getInputManager()
+        .onMouseButtonReleased(gdjs.InputManager.MOUSE_LEFT_BUTTON);
+      runtimeScene.renderAndStep(1000 / 60);
+
+      expect(object2.getX()).to.be(450);
+      expect(object2.getY()).to.be(500);
+
+      // Dragged point is in the bounding box and in hitbox
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onMouseMove(455, 505);
+      runtimeGame
+        .getInputManager()
+        .onMouseButtonPressed(gdjs.InputManager.MOUSE_LEFT_BUTTON);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onMouseMove(855, 705);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame
+        .getInputManager()
+        .onMouseButtonReleased(gdjs.InputManager.MOUSE_LEFT_BUTTON);
+      runtimeScene.renderAndStep(1000 / 60);
+
+      expect(object2.getX()).to.be(850);
+      expect(object2.getY()).to.be(700);
+      object2.setAngle(0);
+    });
+
     [false, true].forEach((firstInFront) => {
       it(`must drag the object in front (${
         firstInFront ? '1st object' : '2nd object'
@@ -184,6 +257,65 @@ describe('gdjs.DraggableRuntimeBehavior', function () {
       expect(object.getX()).to.be(850);
       expect(object.getY()).to.be(700);
     });
+
+    it('can drag an object without collision mask check', function () {
+      object.setPosition(450, 500);
+      object.setAngle(45);
+
+      // Dragged point is in the bounding box but not in hitbox
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onTouchStart(0, 450, 500);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+      runtimeGame.getInputManager().onTouchMove(0, 750, 600);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+      runtimeGame.getInputManager().onTouchEnd(0);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+
+      expect(object.getX()).to.be(750);
+      expect(object.getY()).to.be(600);
+
+      object.setAngle(0);
+    });
+
+    it('can drag an object with collision mask check', function () {
+      object2.setPosition(450, 500);
+      object2.setAngle(45);
+
+      // Dragged point is in the bounding box but not in hitbox
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onTouchStart(0, 450, 500);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+      runtimeGame.getInputManager().onTouchMove(0, 750, 600);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+      runtimeGame.getInputManager().onTouchEnd(0);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+
+      expect(object2.getX()).to.be(450);
+      expect(object2.getY()).to.be(500);
+
+      // Dragged point is in the bounding box but not in hitbox
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onTouchStart(0, 455, 505);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+      runtimeGame.getInputManager().onTouchMove(0, 855, 705);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+      runtimeGame.getInputManager().onTouchEnd(0);
+      runtimeScene.renderAndStep(1000 / 60);
+      runtimeGame.getInputManager().onFrameEnded();
+
+      expect(object2.getX()).to.be(850);
+      expect(object2.getY()).to.be(700);
+      object2.setAngle(0);
+    });
+
     it('can drag 2 objects with multitouch', function () {
       runtimeGame.getInputManager().touchSimulateMouse(false);
       object.setPosition(450, 500);