Add missing event data (#7449)

Do not show in changelog

Core/GDCore/Events/CodeGeneration/EventsCodeGenerator.cpp

@@ -1358,12 +1358,30 @@ gd::String EventsCodeGenerator::GeneratePropertyGetter(const gd::PropertiesConta
   return "getProperty" + property.GetName() + "As" + type + "()";
 }
 
+gd::String EventsCodeGenerator::GeneratePropertyGetterWithoutCasting(
+    const gd::PropertiesContainer &propertiesContainer,
+    const gd::NamedPropertyDescriptor &property) {
+  return "getProperty" + property.GetName() + "()";
+}
+
+gd::String EventsCodeGenerator::GeneratePropertySetterWithoutCasting(
+    const gd::PropertiesContainer &propertiesContainer,
+    const gd::NamedPropertyDescriptor &property,
+    const gd::String &operandCode) {
+  return "setProperty" + property.GetName() + "(" + operandCode + ")";
+    }
+
 gd::String EventsCodeGenerator::GenerateParameterGetter(const gd::ParameterMetadata& parameter,
                                                         const gd::String& type,
                                                         gd::EventsCodeGenerationContext& context) {
   return "getParameter" + parameter.GetName() + "As" + type + "()";
 }
 
+gd::String EventsCodeGenerator::GenerateParameterGetterWithoutCasting(
+    const gd::ParameterMetadata &parameter) {
+      return "getParameter" + parameter.GetName() + "()";
+    }
+
 EventsCodeGenerator::EventsCodeGenerator(const gd::Project& project_,
                                          const gd::Layout& layout,
                                          const gd::Platform& platform_)

Core/GDCore/Events/CodeGeneration/EventsCodeGenerator.h

@@ -467,7 +467,14 @@ class GD_CORE_API EventsCodeGenerator {
    */
   virtual gd::String GetCodeNamespace() { return ""; };
 
-  enum VariableScope { LAYOUT_VARIABLE = 0, PROJECT_VARIABLE, OBJECT_VARIABLE, ANY_VARIABLE };
+  enum VariableScope {
+    LAYOUT_VARIABLE = 0,
+    PROJECT_VARIABLE,
+    OBJECT_VARIABLE,
+    ANY_VARIABLE,
+    VARIABLE_OR_PROPERTY,
+    VARIABLE_OR_PROPERTY_OR_PARAMETER
+  };
 
   /**
    * Generate a single unique number for the specified instruction.
@@ -510,6 +517,11 @@ class GD_CORE_API EventsCodeGenerator {
   GenerateAnyOrSceneVariableGetter(const gd::Expression &variableExpression,
                                    EventsCodeGenerationContext &context);
 
+  virtual gd::String GeneratePropertySetterWithoutCasting(
+      const gd::PropertiesContainer &propertiesContainer,
+      const gd::NamedPropertyDescriptor &property,
+      const gd::String &operandCode);
+
 protected:
   virtual const gd::String GenerateRelationalOperatorCodes(
       const gd::String& operatorString);
@@ -565,7 +577,8 @@ protected:
       const gd::String& variableName,
       const VariableScope& scope,
       gd::EventsCodeGenerationContext& context,
-      const gd::String& objectName) {
+      const gd::String& objectName,
+      bool hasChild) {
     // This code is only used as a mock.
     // See the real implementation in GDJS.
     if (scope == LAYOUT_VARIABLE) {
@@ -573,7 +586,9 @@ protected:
 
     } else if (scope == PROJECT_VARIABLE) {
       return "getProjectVariable(" + variableName + ")";
-    } else if (scope == ANY_VARIABLE) {
+    } else if (scope == ANY_VARIABLE || scope == VARIABLE_OR_PROPERTY ||
+               scope == VARIABLE_OR_PROPERTY_OR_PARAMETER) {
+      // TODO Split the 3 cases to make tests stronger.
       return "getAnyVariable(" + variableName + ")";
     }
 
@@ -627,11 +642,18 @@ protected:
       const gd::String& type,
       gd::EventsCodeGenerationContext& context);
 
+  virtual gd::String GeneratePropertyGetterWithoutCasting(
+      const gd::PropertiesContainer &propertiesContainer,
+      const gd::NamedPropertyDescriptor &property);
+
   virtual gd::String GenerateParameterGetter(
       const gd::ParameterMetadata& parameter,
       const gd::String& type,
       gd::EventsCodeGenerationContext& context);
 
+  virtual gd::String
+  GenerateParameterGetterWithoutCasting(const gd::ParameterMetadata &parameter);
+
   /**
    * \brief Generate the code to reference an object which is
    * in an empty/null state.

Core/GDCore/Events/CodeGeneration/ExpressionCodeGenerator.cpp

@@ -135,18 +135,20 @@ void ExpressionCodeGenerator::OnVisitVariableNode(VariableNode& node) {
     EventsCodeGenerator::VariableScope scope =
         type == "variable"
             ? gd::EventsCodeGenerator::ANY_VARIABLE
-        : type == "globalvar"
-            ? gd::EventsCodeGenerator::PROJECT_VARIABLE
-            : type == "scenevar"
-                  ? gd::EventsCodeGenerator::LAYOUT_VARIABLE
-                  : gd::EventsCodeGenerator::OBJECT_VARIABLE;
+        : type == "variableOrProperty"
+            ? gd::EventsCodeGenerator::VARIABLE_OR_PROPERTY
+        : type == "variableOrPropertyOrParameter"
+            ? gd::EventsCodeGenerator::VARIABLE_OR_PROPERTY_OR_PARAMETER
+        : type == "globalvar" ? gd::EventsCodeGenerator::PROJECT_VARIABLE
+        : type == "scenevar"  ? gd::EventsCodeGenerator::LAYOUT_VARIABLE
+                              : gd::EventsCodeGenerator::OBJECT_VARIABLE;
 
     auto objectName = gd::ExpressionVariableOwnerFinder::GetObjectName(codeGenerator.GetPlatform(),
                                           codeGenerator.GetObjectsContainersList(),
                                           rootObjectName,
                                           node);
     output += codeGenerator.GenerateGetVariable(
-        node.name, scope, context, objectName);
+        node.name, scope, context, objectName, node.child != nullptr);
     if (node.child) node.child->Visit(*this);
   } else {
     // The node represents a variable or an object variable in an expression waiting for its *value* to be returned.
@@ -163,7 +165,7 @@ void ExpressionCodeGenerator::OnVisitVariableNode(VariableNode& node) {
       output += codeGenerator.GenerateVariableValueAs(type);
     }, [&]() {
       output += codeGenerator.GenerateGetVariable(
-          node.name, gd::EventsCodeGenerator::ANY_VARIABLE, context, "");
+          node.name, gd::EventsCodeGenerator::ANY_VARIABLE, context, "", node.child != nullptr);
       if (node.child) node.child->Visit(*this);
       output += codeGenerator.GenerateVariableValueAs(type);
     }, [&]() {
@@ -184,8 +186,9 @@ void ExpressionCodeGenerator::OnVisitVariableAccessorNode(
     VariableAccessorNode& node) {
     if (!objectNameToUseForVariableAccessor.empty()) {
       // Use the name of the object passed by the parent, as we need both to access an object variable.
-      output += codeGenerator.GenerateGetVariable(node.name,
-          gd::EventsCodeGenerator::OBJECT_VARIABLE, context, objectNameToUseForVariableAccessor);
+      output += codeGenerator.GenerateGetVariable(
+          node.name, gd::EventsCodeGenerator::OBJECT_VARIABLE, context,
+          objectNameToUseForVariableAccessor, node.child != nullptr);
 
       // We have accessed an object variable, from now we can continue accessing the child variables
       // (including using the bracket notation).
@@ -222,24 +225,27 @@ void ExpressionCodeGenerator::OnVisitIdentifierNode(IdentifierNode& node) {
     output +=
         codeGenerator.GenerateObject(node.identifierName, type, context);
   } else if (gd::ParameterMetadata::IsExpression("variable", type)) {
-      EventsCodeGenerator::VariableScope scope =
+    EventsCodeGenerator::VariableScope scope =
         type == "variable"
             ? gd::EventsCodeGenerator::ANY_VARIABLE
-        : type == "globalvar"
-              ? gd::EventsCodeGenerator::PROJECT_VARIABLE
-              : type == "scenevar"
-                    ? gd::EventsCodeGenerator::LAYOUT_VARIABLE
-                    : gd::EventsCodeGenerator::OBJECT_VARIABLE;
+        : type == "variableOrProperty"
+            ? gd::EventsCodeGenerator::VARIABLE_OR_PROPERTY
+        : type == "variableOrPropertyOrParameter"
+            ? gd::EventsCodeGenerator::VARIABLE_OR_PROPERTY_OR_PARAMETER
+        : type == "globalvar" ? gd::EventsCodeGenerator::PROJECT_VARIABLE
+        : type == "scenevar"  ? gd::EventsCodeGenerator::LAYOUT_VARIABLE
+                              : gd::EventsCodeGenerator::OBJECT_VARIABLE;
 
-      auto objectName = gd::ExpressionVariableOwnerFinder::GetObjectName(codeGenerator.GetPlatform(),
-                                            codeGenerator.GetObjectsContainersList(),
-                                            rootObjectName,
-                                            node);
-      output += codeGenerator.GenerateGetVariable(
-          node.identifierName, scope, context, objectName);
-      if (!node.childIdentifierName.empty()) {
-        output += codeGenerator.GenerateVariableAccessor(node.childIdentifierName);
-      }
+    auto objectName = gd::ExpressionVariableOwnerFinder::GetObjectName(
+        codeGenerator.GetPlatform(), codeGenerator.GetObjectsContainersList(),
+        rootObjectName, node);
+    output += codeGenerator.GenerateGetVariable(
+        node.identifierName, scope, context, objectName,
+        !node.childIdentifierName.empty());
+    if (!node.childIdentifierName.empty()) {
+      output +=
+          codeGenerator.GenerateVariableAccessor(node.childIdentifierName);
+    }
   } else {
     const auto& variablesContainersList = codeGenerator.GetProjectScopedContainers().GetVariablesContainersList();
     const auto& propertiesContainersList = codeGenerator.GetProjectScopedContainers().GetPropertiesContainersList();
@@ -249,12 +255,13 @@ void ExpressionCodeGenerator::OnVisitIdentifierNode(IdentifierNode& node) {
     codeGenerator.GetProjectScopedContainers().MatchIdentifierWithName<void>(node.identifierName, [&]() {
       // Generate the code to access the object variable.
       output += codeGenerator.GenerateGetVariable(
-        node.childIdentifierName, gd::EventsCodeGenerator::OBJECT_VARIABLE, context, node.identifierName);
+          node.childIdentifierName, gd::EventsCodeGenerator::OBJECT_VARIABLE,
+          context, node.identifierName, !node.childIdentifierName.empty());
       output += codeGenerator.GenerateVariableValueAs(type);
     }, [&]() {
       output += codeGenerator.GenerateGetVariable(
-          node.identifierName, gd::EventsCodeGenerator::ANY_VARIABLE, context,
-          "");
+          node.identifierName, gd::EventsCodeGenerator::VARIABLE_OR_PROPERTY_OR_PARAMETER, context,
+          "", !node.childIdentifierName.empty());
       if (!node.childIdentifierName.empty()) {
         output += codeGenerator.GenerateVariableAccessor(node.childIdentifierName);
       }

Core/GDCore/Extensions/Builtin/AdvancedExtension.cpp

@@ -141,7 +141,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
                     "res/function32.png")
       .AddParameter("functionParameterName", _("Parameter name"), "number,string,boolean")
       .SetRelevantForFunctionEventsOnly()
-      .MarkAsAdvanced();
+      .MarkAsAdvanced()
+      .SetHidden();
 
   extension
       .AddExpression(
@@ -177,7 +178,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
       .AddParameter("functionParameterName", _("Parameter name"), "number,string,boolean")
       .UseStandardRelationalOperatorParameters(
           "number", gd::ParameterOptions::MakeNewOptions())
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddCondition(
@@ -191,7 +193,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsAdvancedExtension(
       .AddParameter("functionParameterName", _("Parameter name"), "number,string,boolean")
       .UseStandardRelationalOperatorParameters(
           "string", gd::ParameterOptions::MakeNewOptions())
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Builtin/BaseObjectExtension.cpp

@@ -117,7 +117,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Change the position of the center of _PARAM0_: _PARAM1_ "
                   "_PARAM2_ (x "
                   "axis), _PARAM3_ _PARAM4_ (y axis)"),
-                _("Position/Center"),
+                _("Position ❯ Center"),
                 "res/actions/position24_black.png",
                 "res/actions/position_black.png")
       .AddParameter("object", _("Object"))
@@ -133,7 +133,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Center X position"),
          _("the X position of the center of rotation"),
          _("the X position of the center"),
-         _("Position/Center"),
+         _("Position ❯ Center"),
          "res/actions/position24_black.png")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -144,7 +144,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Center Y position"),
          _("the Y position of the center of rotation"),
          _("the Y position of the center"),
-         _("Position/Center"),
+         _("Position ❯ Center"),
          "res/actions/position24_black.png")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -155,7 +155,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                                 _("the bounding box (the area encapsulating "
                                   "the object) left position"),
                                 _("the bounding box left position"),
-                                _("Position/Bounding Box"),
+                                _("Position ❯ Bounding Box"),
                                 "res/conditions/bounding-box-left_black.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -166,7 +166,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Bounding box top position"),
          _("the bounding box (the area encapsulating the object) top position"),
          _("the bounding box top position"),
-         _("Position/Bounding Box"),
+         _("Position ❯ Bounding Box"),
          "res/conditions/bounding-box-top_black.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -177,7 +177,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                                 _("the bounding box (the area encapsulating "
                                   "the object) right position"),
                                 _("the bounding box right position"),
-                                _("Position/Bounding Box"),
+                                _("Position ❯ Bounding Box"),
                                 "res/conditions/bounding-box-right_black.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -188,7 +188,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                                 _("the bounding box (the area encapsulating "
                                   "the object) bottom position"),
                                 _("the bounding box bottom position"),
-                                _("Position/Bounding Box"),
+                                _("Position ❯ Bounding Box"),
                                 "res/conditions/bounding-box-bottom_black.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -199,7 +199,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                                 _("the bounding box (the area encapsulating "
                                   "the object) center X position"),
                                 _("the bounding box center X position"),
-                                _("Position/Bounding Box"),
+                                _("Position ❯ Bounding Box"),
                                 "res/conditions/bounding-box-center_black.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -210,7 +210,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                                 _("the bounding box (the area encapsulating "
                                   "the object) center Y position"),
                                 _("the bounding box center Y position"),
-                                _("Position/Bounding Box"),
+                                _("Position ❯ Bounding Box"),
                                 "res/conditions/bounding-box-center_black.svg")
       .AddParameter("object", _("Object"))
       .UseStandardParameters("number", ParameterOptions::MakeNewOptions());
@@ -255,7 +255,6 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Angle"),
                 "res/actions/rotate24_black.png",
                 "res/actions/rotate_black.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angular speed (in degrees per second)"))
       .AddCodeOnlyParameter("currentScene", "")
@@ -269,7 +268,6 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Angle"),
          "res/actions/rotate24_black.png",
          "res/actions/rotate_black.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle to rotate towards (in degrees)"))
       .AddParameter("expression", _("Angular speed (in degrees per second)"))
@@ -285,7 +283,6 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Angle"),
          "res/actions/rotate24_black.png",
          "res/actions/rotate_black.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("X position"))
       .AddParameter("expression", _("Y position"))
@@ -304,12 +301,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Movement using forces"),
          "res/actions/force24.png",
          "res/actions/force.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Speed on X axis (in pixels per second)"))
       .AddParameter("expression", _("Speed on Y axis (in pixels per second)"))
       .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
-      .SetDefaultValue("0");
+      .SetDefaultValue("0")
+      .SetHelpPath("/tutorials/how-to-move-objects/");
 
   obj.AddAction("AddForceAL",
                 _("Add a force (angle)"),
@@ -321,12 +318,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Movement using forces"),
                 "res/actions/force24.png",
                 "res/actions/force.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle"))
       .AddParameter("expression", _("Speed (in pixels per second)"))
       .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
       .SetDefaultValue("0")
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddAction(
@@ -339,13 +336,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Movement using forces"),
          "res/actions/force24.png",
          "res/actions/force.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("X position"))
       .AddParameter("expression", _("Y position"))
       .AddParameter("expression", _("Speed (in pixels per second)"))
       .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
       .SetDefaultValue("0")
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddAction(
@@ -360,13 +357,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Movement using forces"),
          "res/actions/forceTourne24.png",
          "res/actions/forceTourne.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("expression", "X position of the center")
       .AddParameter("expression", "Y position of the center")
       .AddParameter("expression", "Speed (in Degrees per seconds)")
       .AddParameter("expression", "Distance (in pixels)")
       .AddParameter("forceMultiplier", "Force multiplier")
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .SetHidden();
 
   obj.AddAction("Arreter",
@@ -376,8 +373,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Movement using forces"),
                 "res/actions/arreter24.png",
                 "res/actions/arreter.png")
-
       .AddParameter("object", _("Object"))
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddAction("Delete",
@@ -429,6 +426,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"))
       .UseStandardOperatorParameters("number",
                                      ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForLayoutEventsOnly();
 
   obj.AddAction("SetStringObjectVariable",
@@ -443,6 +441,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"))
       .UseStandardOperatorParameters("string",
                                      ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForLayoutEventsOnly();
 
   obj.AddAction("SetBooleanObjectVariable",
@@ -458,6 +457,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       // This parameter allows to keep the operand expression
       // when the editor switch between variable instructions.
       .AddCodeOnlyParameter("yesorno", _("Value"))
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForLayoutEventsOnly();
 
   obj.AddCondition("NumberObjectVariable",
@@ -472,6 +472,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForLayoutEventsOnly();
 
   obj.AddCondition("StringObjectVariable",
@@ -486,6 +487,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "string", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForLayoutEventsOnly();
 
   obj.AddCondition("BooleanObjectVariable",
@@ -502,6 +504,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       // This parameter allows to keep the operand expression
       // when the editor switch between variable instructions.
       .AddCodeOnlyParameter("yesorno", _("Value"))
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForLayoutEventsOnly();
 
   obj.AddAction("ModVarObjet",
@@ -514,6 +517,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
 
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Variable"))
+      .SetHelpPath("/all-features/variables/object-variables/")
       .UseStandardOperatorParameters("number",
                                      ParameterOptions::MakeNewOptions())
       .SetRelevantForFunctionEventsOnly();
@@ -528,6 +532,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
 
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Variable"))
+      .SetHelpPath("/all-features/variables/object-variables/")
       .UseStandardOperatorParameters("string",
                                      ParameterOptions::MakeNewOptions())
       .SetRelevantForFunctionEventsOnly();
@@ -544,6 +549,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Variable"))
       .AddParameter("trueorfalse", _("New Value:"))
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForFunctionEventsOnly();
 
   obj.AddAction(
@@ -560,6 +566,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
 
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Variable"))
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForFunctionEventsOnly();
 
   obj.AddCondition("ObjectVariableChildExists",
@@ -567,24 +574,26 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    _("Check if the specified child of the object "
                      "structure variable exists."),
                    _("Child _PARAM2_ of variable _PARAM1_ of _PARAM0_ exists"),
-                   _("Variables/Arrays and structures"),
+                   _("Variables ❯ Arrays and structures"),
                    "res/conditions/var24.png",
                    "res/conditions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Structure variable"))
       .AddParameter("string", _("Name of the child"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   obj.AddAction("ObjectVariableRemoveChild",
                 _("Remove a child"),
                 _("Remove a child from an object structure variable."),
                 _("Remove child _PARAM2_ from variable _PARAM1_ of _PARAM0_"),
-                _("Variables/Arrays and structures"),
+                _("Variables ❯ Arrays and structures"),
                 "res/actions/var24.png",
                 "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Structure variable"))
       .AddParameter("string", _("Child's name"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   obj.AddAction("ObjectVariableClearChildren",
@@ -592,11 +601,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Remove all the children from the object array or structure "
                   "variable."),
                 _("Clear children from variable _PARAM1_ of _PARAM0_"),
-                _("Variables/Arrays and structures"),
+                _("Variables ❯ Arrays and structures"),
                 "res/actions/var24.png",
                 "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array or structure variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   obj.AddAction("Cache",
@@ -691,8 +701,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    _("Movement using forces"),
                    "res/conditions/arret24.png",
                    "res/conditions/arret.png")
-
       .AddParameter("object", _("Object"))
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddCondition("Vitesse",
@@ -702,10 +712,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    _("Movement using forces"),
                    "res/conditions/vitesse24.png",
                    "res/conditions/vitesse.png")
-
       .AddParameter("object", _("Object"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   // Deprecated
@@ -722,6 +732,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle, in degrees"))
       .AddParameter("expression", _("Tolerance, in degrees"))
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddCondition("IsTotalForceAngleAround",
@@ -735,6 +746,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("Angle, in degrees"))
       .AddParameter("expression", _("Tolerance, in degrees"))
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddCondition("VarObjet",
@@ -749,6 +761,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForFunctionEventsOnly();
 
   obj.AddCondition("VarObjetTxt",
@@ -763,6 +776,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "string", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForFunctionEventsOnly();
 
   obj.AddCondition("ObjectVariableAsBoolean",
@@ -777,6 +791,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectvar", _("Variable"))
       .AddParameter("trueorfalse", _("Check if the value is"))
       .SetDefaultValue("true")
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForFunctionEventsOnly();
 
   obj.AddCondition("VarObjetDef",
@@ -796,12 +811,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Add text variable"),
          _("Adds a text (string) to the end of an object array variable."),
          _("Add value _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var24.png",
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array variable"))
       .AddParameter("string", _("Text to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
       .SetRelevantForLayoutEventsOnly();
 
@@ -809,12 +825,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Add variable array value"),
                 _("Adds a number to the end of an object array variable."),
                 _("Add value _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-                _("Variables/Arrays and structures"),
+                _("Variables ❯ Arrays and structures"),
                 "res/actions/var24.png",
                 "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array variable"))
       .AddParameter("expression", _("Number to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
       .SetRelevantForLayoutEventsOnly();
 
@@ -823,12 +840,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Add boolean variable"),
          _("Adds a boolean to the end of an object array variable."),
          _("Add value _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var24.png",
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array variable"))
       .AddParameter("trueorfalse", _("Boolean to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
       .SetRelevantForLayoutEventsOnly();
 
@@ -838,7 +856,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Add existing variable"),
          _("Adds an existing variable to the end of an object array variable."),
          _("Add variable _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var24.png",
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
@@ -847,6 +865,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .SetParameterLongDescription(_("The content of the object variable will "
                                      "*be copied* and added at the "
                                      "end of the array."))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
       .SetHidden();
 
@@ -855,7 +874,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Add existing variable"),
          _("Adds an existing variable to the end of an object array variable."),
          _("Add variable _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var24.png",
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
@@ -864,6 +883,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .SetParameterLongDescription(_("The content of the object variable will "
                                      "*be copied* and added at the "
                                      "end of the array."))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   obj.AddAction(
@@ -871,12 +891,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Add text variable"),
          _("Adds a text (string) to the end of an object array variable."),
          _("Add text _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var24.png",
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array variable"))
       .AddParameter("string", _("Text to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
       .SetRelevantForFunctionEventsOnly();
 
@@ -884,12 +905,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Add number variable"),
                 _("Adds a number to the end of an object array variable."),
                 _("Add number _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-                _("Variables/Arrays and structures"),
+                _("Variables ❯ Arrays and structures"),
                 "res/actions/var24.png",
                 "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array variable"))
       .AddParameter("expression", _("Number to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
       .SetRelevantForFunctionEventsOnly();
 
@@ -898,12 +920,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Add boolean variable"),
          _("Adds a boolean to the end of an object array variable."),
          _("Add boolean _PARAM2_ to array variable _PARAM1_ of _PARAM0_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var24.png",
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array variable"))
       .AddParameter("trueorfalse", _("Boolean to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
       .SetRelevantForFunctionEventsOnly();
 
@@ -914,12 +937,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
            "variable."),
          _("Remove variable at index _PARAM2_ from array variable _PARAM1_ of "
            "_PARAM0_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var24.png",
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Array variable"))
       .AddParameter("expression", _("Index to remove"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   obj.AddCondition(
@@ -927,13 +951,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Number of children"),
          _("Compare the number of children in an object array variable."),
          _("The number of children in the array variable _PARAM1_"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/conditions/var24.png",
          "res/conditions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   obj.AddStrExpression(
@@ -941,40 +966,44 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("First text child"),
          _("Get the value of the first element of an object array variable, if "
            "it is a text (string) variable."),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("objectvar", _("Array variable"));
+      .AddParameter("objectvar", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   obj.AddExpression(
          "ArrayVariableFirstNumber",
          _("First number child"),
          _("Get the value of the first element of an object array variable, if "
            "it is a number variable."),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("objectvar", _("Array variable"));
+      .AddParameter("objectvar", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   obj.AddStrExpression(
          "ArrayVariableLastString",
          _("Last text child"),
          _("Get the value of the last element of an object array variable, if "
            "it is a text (string) variable."),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("objectvar", _("Array variable"));
+      .AddParameter("objectvar", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   obj.AddExpression(
          "ArrayVariableLastNumber",
          _("Last number child"),
          _("Get the value of the last element of an object array variable, if "
            "it is a number variable."),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("objectvar", _("Array variable"));
+      .AddParameter("objectvar", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   obj.AddCondition("BehaviorActivated",
                    _("Behavior activated"),
@@ -1009,12 +1038,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Movement using forces"),
                 "res/actions/forceVers24.png",
                 "res/actions/forceVers.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("objectPtr", _("Target Object"))
       .AddParameter("expression", _("Speed (in pixels per second)"))
       .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
       .SetDefaultValue("0")
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddAction(
@@ -1029,13 +1058,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          _("Movement using forces"),
          "res/actions/forceTourne24.png",
          "res/actions/forceTourne.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("objectPtr", _("Rotate around this object"))
       .AddParameter("expression", _("Speed (in degrees per second)"))
       .AddParameter("expression", _("Distance (in pixels)"))
       .AddParameter("forceMultiplier", _("Force multiplier"), "", true)
       .SetDefaultValue("0")
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   obj.AddAction("MettreAutour",
@@ -1063,10 +1092,10 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Movement using forces"),
                 "res/actions/ecarter24.png",
                 "res/actions/ecarter.png")
-
       .SetHidden()
       .AddParameter("object", _("Object"))
-      .AddParameter("objectList", "Object 2 (won't move)");
+      .AddParameter("objectList", "Object 2 (won't move)")
+      .SetHelpPath("/tutorials/how-to-move-objects/");
 
   // Deprecated action
   obj.AddAction("Ecarter",
@@ -1090,7 +1119,6 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 _("Position"),
                 "res/actions/ecarter24.png",
                 "res/actions/ecarter.png")
-
       .AddParameter("object", _("Object"))
       .AddParameter("objectList", _("Objects (won't move)"))
       .AddParameter("yesorno",
@@ -1099,6 +1127,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     "",
                     true)
       .SetDefaultValue("no")
+      .SetHelpPath("/all-features/collisions/")
       .MarkAsSimple();
 
   obj.AddCondition("CollisionPoint",
@@ -1111,6 +1140,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("expression", _("X position of the point"))
       .AddParameter("expression", _("Y position of the point"))
+      .SetHelpPath("/all-features/collisions/")
       .MarkAsSimple();
 
   extension
@@ -1142,6 +1172,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("object", _("Object"))
       .AddParameter("identifier", _("Timer's name"), "objectTimer")
       .AddParameter("expression", _("Time in seconds"))
+      .SetHelpPath("/all-features/timers-and-time/")
       .SetHidden();
 
   obj.AddCondition(
@@ -1157,6 +1188,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("identifier", _("Timer's name"), "objectTimer")
       .AddParameter("relationalOperator", _("Sign of the test"), "time")
       .AddParameter("expression", _("Time in seconds"))
+      .SetHelpPath("/all-features/timers-and-time/")
       .SetManipulatedType("number");
 
   obj.AddCondition("ObjectTimerPaused",
@@ -1168,6 +1200,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                    "res/conditions/timerPaused.png")
       .AddParameter("object", _("Object"))
       .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .SetHelpPath("/all-features/timers-and-time/")
       .MarkAsAdvanced();
 
   obj.AddAction(
@@ -1180,7 +1213,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          "res/actions/timer24.png",
          "res/actions/timer.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer");
+      .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .SetHelpPath("/all-features/timers-and-time/");
 
   obj.AddAction("PauseObjectTimer",
                 _("Pause an object timer"),
@@ -1191,6 +1225,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 "res/actions/pauseTimer.png")
       .AddParameter("object", _("Object"))
       .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .SetHelpPath("/all-features/timers-and-time/")
       .MarkAsAdvanced();
 
   obj.AddAction("UnPauseObjectTimer",
@@ -1202,6 +1237,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 "res/actions/unPauseTimer.png")
       .AddParameter("object", _("Object"))
       .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .SetHelpPath("/all-features/timers-and-time/")
       .MarkAsAdvanced();
 
   obj.AddAction("RemoveObjectTimer",
@@ -1213,6 +1249,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                 "res/actions/timer.png")
       .AddParameter("object", _("Object"))
       .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .SetHelpPath("/all-features/timers-and-time/")
       .MarkAsAdvanced();
 
   obj.AddExpression("X",
@@ -1241,28 +1278,32 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     _("X coordinate of the sum of forces"),
                     _("Movement using forces"),
                     "res/actions/force.png")
-      .AddParameter("object", _("Object"));
+      .AddParameter("object", _("Object"))
+      .SetHelpPath("/tutorials/how-to-move-objects/");
 
   obj.AddExpression("ForceY",
                     _("Y coordinate of the sum of forces"),
                     _("Y coordinate of the sum of forces"),
                     _("Movement using forces"),
                     "res/actions/force.png")
-      .AddParameter("object", _("Object"));
+      .AddParameter("object", _("Object"))
+      .SetHelpPath("/tutorials/how-to-move-objects/");
 
   obj.AddExpression("ForceAngle",
                     _("Angle of the sum of forces"),
                     _("Angle of the sum of forces (in degrees)"),
                     _("Movement using forces"),
                     "res/actions/force.png")
-      .AddParameter("object", _("Object"));
+      .AddParameter("object", _("Object"))
+      .SetHelpPath("/tutorials/how-to-move-objects/");
 
   obj.AddExpression("ForceLength",
                     _("Length of the sum of forces"),
                     _("Length of the sum of forces"),
                     _("Movement using forces"),
                     "res/actions/force.png")
-      .AddParameter("object", _("Object"));
+      .AddParameter("object", _("Object"))
+      .SetHelpPath("/tutorials/how-to-move-objects/");
 
   obj.AddExpression("Longueur",
                     _("Length of the sum of forces"),
@@ -1270,6 +1311,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     _("Movement using forces"),
                     "res/actions/force.png")
       .AddParameter("object", _("Object"))
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .SetHidden();
 
   obj.AddExpression("Width",
@@ -1366,10 +1408,11 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
          "VariableChildCount",
          _("Number of children"),
          _("Number of children in an object array or structure variable"),
-         _("Variables/Arrays and structures"),
+         _("Variables ❯ Arrays and structures"),
          "res/actions/var.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("objectvar", _("Array or structure variable"));
+      .AddParameter("objectvar", _("Array or structure variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   obj.AddStrExpression("VariableString",
                        _("Text variable"),
@@ -1378,6 +1421,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                        "res/actions/var.png")
       .AddParameter("object", _("Object"))
       .AddParameter("objectvar", _("Variable"))
+      .SetHelpPath("/all-features/variables/object-variables/")
       .SetRelevantForFunctionEventsOnly();
 
   obj.AddExpression("ObjectTimerElapsedTime",
@@ -1386,7 +1430,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     _("Timers"),
                     "res/actions/time.png")
       .AddParameter("object", _("Object"))
-      .AddParameter("identifier", _("Timer's name"), "objectTimer");
+      .AddParameter("identifier", _("Timer's name"), "objectTimer")
+      .SetHelpPath("/all-features/timers-and-time/");
 
   obj.AddExpression("AngleToObject",
                     _("Angle between two objects"),
@@ -1606,6 +1651,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
           "res/actions/doMove24.png",
           "res/actions/doMove.png")
       .AddCodeOnlyParameter("currentScene", "")
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   extension
@@ -1621,6 +1667,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
       .AddParameter("objectList", _("Object 2"))
       .AddParameter("expression", _("Tolerance, in degrees"))
       .AddCodeOnlyParameter("conditionInverted", "")
+      .SetHelpPath("/tutorials/how-to-move-objects/")
       .MarkAsAdvanced();
 
   extension
@@ -1753,6 +1800,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
                     "",
                     true)
       .SetDefaultValue("no")
+      .SetHelpPath("/all-features/collisions/")
       .MarkAsSimple();
 
   extension
@@ -1815,6 +1863,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
           _("Scene variable where to store the Y position of the intersection. "
             "If no intersection is found, the variable won't be changed."))
       .AddCodeOnlyParameter("conditionInverted", "")
+      .SetHelpPath("/all-features/collisions/")
       .MarkAsAdvanced();
 
   extension
@@ -1846,6 +1895,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsBaseObjectExtension(
           _("Scene variable where to store the Y position of the intersection. "
             "If no intersection is found, the variable won't be changed."))
       .AddCodeOnlyParameter("conditionInverted", "")
+      .SetHelpPath("/all-features/collisions/")
       .MarkAsAdvanced();
 
   extension

Core/GDCore/Extensions/Builtin/CommonInstructionsExtension.cpp

@@ -92,14 +92,16 @@ BuiltinExtensionsImplementer::ImplementsCommonInstructionsExtension(
       .SetCanHaveSubInstructions()
       .MarkAsAdvanced();
 
-  extension.AddCondition(
-      "Once",
-      _("Trigger once while true"),
-      _("Run actions only once, for each time the conditions have been met."),
-      _("Trigger once"),
-      "",
-      "res/conditions/once24.png",
-      "res/conditions/once.png");
+  extension
+      .AddCondition("Once",
+                    _("Trigger once while true"),
+                    _("Run actions only once, for each time the conditions "
+                      "have been met."),
+                    _("Trigger once"),
+                    "",
+                    "res/conditions/once24.png",
+                    "res/conditions/once.png")
+      .SetHelpPath("/all-features/advanced-conditions/trigger-once");
 
   extension
       .AddCondition("CompareNumbers",

Core/GDCore/Extensions/Builtin/ExternalLayoutsExtension.cpp

@@ -28,7 +28,7 @@ BuiltinExtensionsImplementer::ImplementsExternalLayoutsExtension(
       .AddAction("CreateObjectsFromExternalLayout",
                  _("Create objects from an external layout"),
                  _("Create objects from an external layout."),
-                 _("Create objects from the external layout named _PARAM1_"),
+                 _("Create objects from the external layout named _PARAM1_ at position _PARAM2_;_PARAM3_;_PARAM4_"),
                  "",
                  "res/ribbon_default/externallayout32.png",
                  "res/ribbon_default/externallayout32.png")

Core/GDCore/Extensions/Builtin/KeyboardExtension.cpp

@@ -35,7 +35,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("key", _("Key"));
+      .AddParameter("key", _("Key to check"))
+      .SetHidden();
 
   extension
       .AddCondition("KeyReleased",
@@ -46,33 +47,32 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsKeyboardExtension(
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("key", _("Key"));
+      .AddParameter("key", _("Key to check"))
+      .SetHidden();
 
   extension
       .AddCondition("KeyFromTextPressed",
-                    _("Key pressed (text expression)"),
-                    _("Check if a key, retrieved from the result of the "
-                      "expression, is pressed"),
+                    _("Key pressed"),
+                    _("Check if a key is pressed"),
                     _("_PARAM1_ key is pressed"),
                     "",
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("string", _("Expression generating the key to check"))
-      .MarkAsAdvanced();
+      .AddParameter("keyboardKey", _("Key to check"))
+      .MarkAsSimple();
 
   extension
       .AddCondition("KeyFromTextReleased",
-                    _("Key released (text expression)"),
-                    _("Check if a key, retrieved from the result of the "
-                      "expression, was just released"),
+                    _("Key released"),
+                    _("Check if a key was just released"),
                     _("_PARAM1_ key is released"),
                     "",
                     "res/conditions/keyboard24.png",
                     "res/conditions/keyboard.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("string", _("Expression generating the key to check"))
-      .MarkAsAdvanced();
+      .AddParameter("keyboardKey", _("Key to check"))
+      .MarkAsSimple();
 
   extension
       .AddCondition("AnyKeyPressed",

Core/GDCore/Extensions/Builtin/MathematicalToolsExtension.cpp

@@ -151,7 +151,8 @@ BuiltinExtensionsImplementer::ImplementsMathematicalToolsExtension(
   extension
       .AddExpression("abs",
                      _("Absolute value"),
-                     _("Absolute value"),
+                     _("Return the non-negative value by removing the sign. "
+                       "The absolute value of -8 is 8."),
                      "",
                      "res/mathfunction.png")
       .AddParameter("expression", _("Expression"));

Core/GDCore/Extensions/Builtin/MouseExtension.cpp

@@ -252,7 +252,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
                     "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("mouse", _("Button to check"))
-      .MarkAsSimple();
+      .MarkAsSimple()
+      .SetHidden();
 
   // Support for deprecated names:
   extension.AddDuplicatedCondition("SourisBouton", "MouseButtonPressed")
@@ -262,49 +263,41 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsMouseExtension(
       .AddCondition("MouseButtonReleased",
                     _("Mouse button released"),
                     _("Check if the specified mouse button was released."),
-                    _("_PARAM1_ mouse button was released"),
+                    _("Touch or _PARAM1_ mouse button is released"),
                     "",
                     "res/conditions/mouse24.png",
                     "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
       .AddParameter("mouse", _("Button to check"))
-      .MarkAsSimple();
+      .MarkAsSimple()
+      .SetHidden();
 
   extension
       .AddCondition(
           "MouseButtonFromTextPressed",
-          _("Mouse button pressed or touch held (text expression)"),
-          _("Check if a mouse button, retrieved from the result of the "
-            "expression, is pressed."),
-          _("_PARAM1_ mouse button is pressed"),
+          _("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"),
           "",
           "res/conditions/mouse24.png",
           "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("stringWithSelector",
-                    _("Expression generating the mouse button to check"),
-                    "[\"Left\", \"Right\", \"Middle\"]")
-      .SetParameterLongDescription(
-          _("Possible values are Left, Right and Middle."))
-      .MarkAsAdvanced();
+      .AddParameter("mouseButton", _("Button to check"))
+      .MarkAsSimple();
 
   extension
       .AddCondition(
           "MouseButtonFromTextReleased",
-          _("Mouse button released (text expression)"),
-          _("Check if a mouse button, retrieved from the result of the "
-            "expression, was just released."),
-          _("_PARAM1_ mouse button is released"),
+          _("Mouse button released"),
+          _("Check if the specified mouse button was released."),
+          _("Touch or _PARAM1_ mouse button is released"),
           "",
           "res/conditions/mouse24.png",
           "res/conditions/mouse.png")
       .AddCodeOnlyParameter("currentScene", "")
-      .AddParameter("stringWithSelector",
-                    _("Expression generating the mouse button to check"),
-                    "[\"Left\", \"Right\", \"Middle\"]")
-      .SetParameterLongDescription(
-          _("Possible values are Left, Right and Middle."))
-      .MarkAsAdvanced();
+      .AddParameter("mouseButton", _("Button to check"))
+      .MarkAsSimple();
 
   extension
       .AddExpressionAndCondition("number",

Core/GDCore/Extensions/Builtin/VariablesExtension.cpp

@@ -33,7 +33,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "",
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
-      .AddParameter("variable", _("Variable"))
+      .AddParameter("variableOrPropertyOrParameter", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions());
 
@@ -45,7 +45,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "",
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
-      .AddParameter("variable", _("Variable"))
+      .AddParameter("variableOrPropertyOrParameter", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "string", ParameterOptions::MakeNewOptions());
 
@@ -58,7 +58,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           "",
           "res/conditions/var24.png",
           "res/conditions/var.png")
-      .AddParameter("variable", _("Variable"))
+      .AddParameter("variableOrPropertyOrParameter", _("Variable"))
       .AddParameter("trueorfalse", _("Check if the value is"))
       .SetDefaultValue("true")
       // This parameter allows to keep the operand expression
@@ -73,7 +73,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  "",
                  "res/actions/var24.png",
                  "res/actions/var.png")
-      .AddParameter("variable", _("Variable"))
+      .AddParameter("variableOrProperty", _("Variable"))
       .UseStandardOperatorParameters("number",
                                      ParameterOptions::MakeNewOptions());
 
@@ -85,7 +85,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  "",
                  "res/actions/var24.png",
                  "res/actions/var.png")
-      .AddParameter("variable", _("Variable"))
+      .AddParameter("variableOrProperty", _("Variable"))
       .UseStandardOperatorParameters("string",
                                      ParameterOptions::MakeNewOptions());
 
@@ -98,7 +98,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           "",
           "res/conditions/var24.png",
           "res/conditions/var.png")
-      .AddParameter("variable", _("Variable"))
+      .AddParameter("variableOrProperty", _("Variable"))
       .AddParameter("operator", _("Value"), "boolean")
       // This parameter allows to keep the operand expression
       // when the editor switch between variable instructions.
@@ -116,6 +116,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .AddParameter("variable", _("Array variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -129,6 +130,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "res/conditions/var.png")
       .AddParameter("variable", _("Variable"))
       .AddParameter("string", _("Name of the child"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -142,6 +144,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           "res/actions/var.png")
       .AddParameter("variable", _("Structure variable"))
       .AddParameter("string", _("Child's name"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -154,6 +157,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("variable", _("Structure or array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -170,6 +174,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .SetParameterLongDescription(
           _("The content of the variable will *be copied* and added at the "
             "end of the array."))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -183,6 +188,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           "res/actions/var.png")
       .AddParameter("variable", _("Array variable"))
       .AddParameter("string", _("Text to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -195,6 +201,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  "res/actions/var.png")
       .AddParameter("variable", _("Array variable"))
       .AddParameter("expression", _("Number to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -207,6 +214,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  "res/actions/var.png")
       .AddParameter("variable", _("Array variable"))
       .AddParameter("trueorfalse", _("Boolean to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -221,6 +229,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  "res/actions/var.png")
       .AddParameter("variable", _("Array variable"))
       .AddParameter("expression", _("Index to remove"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced();
 
   extension
@@ -231,7 +240,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
             "it is a text (string)."),
           _("Arrays and structures"),
           "res/actions/var.png")
-      .AddParameter("variable", _("Array variable"));
+      .AddParameter("variable", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   extension
       .AddExpression(
@@ -241,7 +251,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
             "it is a number."),
           _("Arrays and structures"),
           "res/actions/var.png")
-      .AddParameter("variable", _("Array variable"));
+      .AddParameter("variable", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   extension
       .AddStrExpression(
@@ -251,7 +262,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
             "it is a text (string)."),
           _("Arrays and structures"),
           "res/actions/var.png")
-      .AddParameter("variable", _("Array variable"));
+      .AddParameter("variable", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   extension
       .AddExpression(
@@ -261,7 +273,8 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
             "it is a number."),
           _("Arrays and structures"),
           "res/actions/var.png")
-      .AddParameter("variable", _("Array variable"));
+      .AddParameter("variable", _("Array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   // Legacy instructions
 
@@ -270,26 +283,28 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Number variable"),
                     _("Compare the number value of a scene variable."),
                     _("The number of scene variable _PARAM0_"),
-                    _("External variables/Scene variables"),
+                    _("External variables ❯ Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddCondition("VarSceneTxt",
                     _("Text variable"),
                     _("Compare the text (string) of a scene variable."),
                     _("The text of scene variable _PARAM0_"),
-                    _("External variables/Scene variables"),
+                    _("External variables ❯ Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "string", ParameterOptions::MakeNewOptions())
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddCondition(
@@ -297,13 +312,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Boolean variable"),
           _("Compare the boolean value of a scene variable."),
           _("The boolean value of scene variable _PARAM0_ is _PARAM1_"),
-          _("External variables/Scene variables"),
+          _("External variables ❯ Scene variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
       .AddParameter("trueorfalse", _("Check if the value is"))
       .SetDefaultValue("true")
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddCondition("VariableChildExists",
@@ -311,12 +327,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Check if the specified child of the scene structure "
                       "variable exists."),
                     _("Child _PARAM1_ of scene variable _PARAM0_ exists"),
-                    _("External variables/Scene variables/Arrays and structures"),
+                    _("External variables ❯ Scene variables ❯ Arrays and structures"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
       .AddParameter("string", _("Name of the child"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -325,12 +343,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Check if the specified child of the global structure "
                       "variable exists."),
                     _("Child _PARAM1_ of global variable _PARAM0_ exists"),
-                    _("External variables/Global variables/Arrays and structures"),
+                    _("External variables ❯ Global variables ❯ Arrays and structures"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
       .AddParameter("string", _("Name of the child"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -338,7 +358,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     "Variable defined",
                     "Test if the scene variable exists.",
                     "Scene variable _PARAM0_ is defined",
-                    _("External variables/Scene variables"),
+                    _("External variables ❯ Scene variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -350,13 +370,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Number variable"),
                     _("Compare the number value of a global variable."),
                     _("the global variable _PARAM0_"),
-                    _("External variables/Global variables"),
+                    _("External variables ❯ Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -364,13 +385,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                     _("Text variable"),
                     _("Compare the text (string) of a global variable."),
                     _("the text of the global variable _PARAM0_"),
-                    _("External variables/Global variables"),
+                    _("External variables ❯ Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
       .UseStandardRelationalOperatorParameters(
           "string", ParameterOptions::MakeNewOptions())
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -379,20 +401,21 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Boolean variable"),
           _("Compare the boolean value of a global variable."),
           _("The boolean value of global variable _PARAM0_ is _PARAM1_"),
-          _("External variables/Global variables"),
+          _("External variables ❯ Global variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
       .AddParameter("trueorfalse", _("Check if the value is"))
       .SetDefaultValue("true")
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddCondition("VarGlobalDef",
                     "Variable defined",
                     "Test if a global variable exists.",
                     "Global variable _PARAM0_ is defined",
-                    _("External variables/Global variables"),
+                    _("External variables ❯ Global variables"),
                     "res/conditions/var24.png",
                     "res/conditions/var.png")
       .AddCodeOnlyParameter("currentScene", "")
@@ -405,26 +428,28 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Change number variable"),
                  _("Modify the number value of a scene variable."),
                  _("the scene variable _PARAM0_"),
-                 _("External variables/Scene variables"),
+                 _("External variables ❯ Scene variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
       .UseStandardOperatorParameters("number",
                                      ParameterOptions::MakeNewOptions())
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction("ModVarSceneTxt",
                  _("Change text variable"),
                  _("Modify the text (string) of a scene variable."),
                  _("the text of scene variable _PARAM0_"),
-                 _("External variables/Scene variables"),
+                 _("External variables ❯ Scene variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
       .UseStandardOperatorParameters("string",
                                      ParameterOptions::MakeNewOptions())
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction(
@@ -432,12 +457,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Change boolean variable"),
           _("Modify the boolean value of a scene variable."),
           _("Set the boolean value of scene variable _PARAM0_ to _PARAM1_"),
-          _("External variables/Scene variables"),
+          _("External variables ❯ Scene variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
       .AddParameter("trueorfalse", _("New Value:"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction("ToggleSceneVariableAsBoolean",
@@ -446,24 +472,26 @@ 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_"),
-                 _("External variables/Scene variables"),
+                 _("External variables ❯ Scene variables"),
                  "res/conditions/var24.png",
                  "res/conditions/var.png")
       .AddParameter("scenevar", _("Variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction("ModVarGlobal",
                  _("Change number variable"),
                  _("Modify the number value of a global variable."),
                  _("the global variable _PARAM0_"),
-                 _("External variables/Global variables"),
+                 _("External variables ❯ Global variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
       .UseStandardOperatorParameters("number",
                                      ParameterOptions::MakeNewOptions())
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -471,13 +499,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Change text variable"),
                  _("Modify the text (string) of a global variable."),
                  _("the text of global variable _PARAM0_"),
-                 _("External variables/Global variables"),
+                 _("External variables ❯ Global variables"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
       .UseStandardOperatorParameters("string",
                                      ParameterOptions::MakeNewOptions())
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -486,12 +515,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Change boolean variable"),
           _("Modify the boolean value of a global variable."),
           _("Set the boolean value of global variable _PARAM0_ to _PARAM1_"),
-          _("External variables/Global variables"),
+          _("External variables ❯ Global variables"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
       .AddParameter("trueorfalse", _("New Value:"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction("ToggleGlobalVariableAsBoolean",
@@ -500,11 +530,12 @@ 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_"),
-                 _("External variables/Global variables"),
+                 _("External variables ❯ Global variables"),
                  "res/conditions/var24.png",
                  "res/conditions/var.png")
       .AddParameter("globalvar", _("Variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction(
@@ -512,13 +543,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Remove a child"),
           _("Remove a child from a scene structure variable."),
           _("Remove child _PARAM1_ from scene structure variable _PARAM0_"),
-          _("External variables/Scene variables/Arrays and structures"),
+          _("External variables ❯ Scene variables ❯ Arrays and structures"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("scenevar", _("Structure variable"))
       .AddParameter("string", _("Child's name"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction(
@@ -526,13 +559,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Remove a child"),
           _("Remove a child from a global structure variable."),
           _("Remove child _PARAM1_ from global structure variable _PARAM0_"),
-          _("External variables/Global variables/Arrays and structures"),
+          _("External variables ❯ Global variables ❯ Arrays and structures"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("globalvar", _("Structure variable"))
       .AddParameter("string", _("Child's name"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .MarkAsAdvanced()
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction("VariableClearChildren",
@@ -540,11 +575,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Remove all the children from the scene structure or array "
                    "variable."),
                  _("Clear children from scene variable _PARAM0_"),
-                 _("External variables/Scene variables/Arrays and structures"),
+                 _("External variables ❯ Scene variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Structure or array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -553,11 +590,13 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Remove all the children from the global structure or array "
                    "variable."),
                  _("Clear children from global variable _PARAM0_"),
-                 _("External variables/Global variables/Arrays and structures"),
+                 _("External variables ❯ Global variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Structure or array variable"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -566,7 +605,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Adds an existing variable at the end of a scene array "
                    "variable."),
                  _("Add variable _PARAM1_ to array variable _PARAM0_"),
-                 _("External variables/Scene variables/Arrays and structures"),
+                 _("External variables ❯ Scene variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
@@ -574,7 +613,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .SetParameterLongDescription(
           _("The content of the variable will *be copied* and added at the "
             "end of the array."))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -583,12 +624,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Add text variable"),
           _("Adds a text (string) at the end of a scene array variable."),
           _("Add text _PARAM1_ to array variable _PARAM0_"),
-          _("External variables/Scene variables/Arrays and structures"),
+          _("External variables ❯ Scene variables ❯ Arrays and structures"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
       .AddParameter("string", _("Text to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -596,12 +639,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Add number variable"),
                  _("Adds a number at the end of a scene array variable."),
                  _("Add number _PARAM1_ to array variable _PARAM0_"),
-                 _("External variables/Scene variables/Arrays and structures"),
+                 _("External variables ❯ Scene variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
       .AddParameter("expression", _("Number to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -609,12 +654,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Add boolean variable"),
                  _("Adds a boolean at the end of a scene array variable."),
                  _("Add boolean _PARAM1_ to array variable _PARAM0_"),
-                 _("External variables/Scene variables/Arrays and structures"),
+                 _("External variables ❯ Scene variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
       .AddParameter("trueorfalse", _("Boolean to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -624,12 +671,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                    "variable."),
                  _("Remove variable at index _PARAM1_ from scene array "
                    "variable _PARAM0_"),
-                 _("External variables/Scene variables/Arrays and structures"),
+                 _("External variables ❯ Scene variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
       .AddParameter("expression", _("Index to remove"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -638,13 +687,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Number of children"),
           _("Compare the number of children in a scene array variable."),
           _("The number of children in the array variable _PARAM0_"),
-          _("External variables/Scene variables/Arrays and structures"),
+          _("External variables ❯ Scene variables ❯ Arrays and structures"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("scenevar", _("Array variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -653,10 +704,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("First text child"),
           _("Get the value of the first element of a scene array variable, if "
             "it is a text (string)."),
-          _("External variables/Scene variables/Arrays and structures"),
+          _("External variables ❯ Scene variables ❯ Arrays and structures"),
           "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddExpression(
@@ -664,10 +717,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("First number child"),
           _("Get the value of the first element of a scene array variable, if "
             "it is a number."),
-          _("External variables/Scene variables/Arrays and structures"),
+          _("External variables ❯ Scene variables ❯ Arrays and structures"),
           "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddStrExpression(
@@ -675,10 +730,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Last text child"),
           _("Get the value of the last element of a scene array variable, if "
             "it is a text (string)."),
-          _("External variables/Scene variables/Arrays and structures"),
+          _("External variables ❯ Scene variables ❯ Arrays and structures"),
           "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddExpression(
@@ -686,10 +743,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Last number child"),
           _("Get the value of the last element of a scene array variable, if "
             "it is a number."),
-          _("External variables/Scene variables/Arrays and structures"),
+          _("External variables ❯ Scene variables ❯ Arrays and structures"),
           "res/actions/var.png")
       .AddParameter("scenevar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddAction(
@@ -697,7 +756,7 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Add existing variable"),
           _("Adds an existing variable at the end of a global array variable."),
           _("Add variable _PARAM1_ to array variable _PARAM0_"),
-          _("External variables/Global variables/Arrays and structures"),
+          _("External variables ❯ Global variables ❯ Arrays and structures"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
@@ -705,7 +764,9 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
       .SetParameterLongDescription(
           _("The content of the variable will *be copied* and added at the "
             "end of the array."))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -715,12 +776,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                    "array variable."),
                  _("Remove variable at index _PARAM1_ from global array "
                    "variable _PARAM0_"),
-                 _("External variables/Global variables/Arrays and structures"),
+                 _("External variables ❯ Global variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
       .AddParameter("expression", _("Index to remove"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -729,12 +792,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Add text variable"),
           _("Adds a text (string) at the end of a global array variable."),
           _("Add text _PARAM1_ to array variable _PARAM0_"),
-          _("External variables/Global variables/Arrays and structures"),
+          _("External variables ❯ Global variables ❯ Arrays and structures"),
           "res/actions/var24.png",
           "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
       .AddParameter("string", _("Text to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -742,12 +807,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Add number variable"),
                  _("Adds a number at the end of a global array variable."),
                  _("Add number _PARAM1_ to array variable _PARAM0_"),
-                 _("External variables/Global variables/Arrays and structures"),
+                 _("External variables ❯ Global variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
       .AddParameter("expression", _("Number to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -755,12 +822,14 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                  _("Add boolean variable"),
                  _("Adds a boolean at the end of a global array variable."),
                  _("Add boolean _PARAM1_ to array variable _PARAM0_"),
-                 _("External variables/Global variables/Arrays and structures"),
+                 _("External variables ❯ Global variables ❯ Arrays and structures"),
                  "res/actions/var24.png",
                  "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
       .AddParameter("trueorfalse", _("Boolean to add"))
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -769,13 +838,15 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Number of children"),
           _("Compare the number of children in a global array variable."),
           _("The number of children of the array variable _PARAM0_"),
-          _("External variables/Global variables/Arrays and structures"),
+          _("External variables ❯ Global variables ❯ Arrays and structures"),
           "res/conditions/var24.png",
           "res/conditions/var.png")
       .AddParameter("globalvar", _("Array variable"))
       .UseStandardRelationalOperatorParameters(
           "number", ParameterOptions::MakeNewOptions())
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
       .SetRelevantForFunctionEventsOnly()
+      .SetHidden()
       .MarkAsAdvanced();
 
   extension
@@ -783,20 +854,24 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                         _("First text child"),
                         _("Value of the first element of a global array "
                           "variable, if it is a text (string) variable."),
-                        _("External variables/Global variables/Arrays and structures"),
+                        _("External variables ❯ Global variables ❯ Arrays and structures"),
                         "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddExpression("GlobalVariableFirstNumber",
                      _("First number child"),
                      _("Value of the first element of a global array "
                        "variable, if it is a number variable"),
-                     _("External variables/Global variables/Arrays and structures"),
+                     _("External variables ❯ Global variables ❯ Arrays and structures"),
                      "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddStrExpression(
@@ -804,10 +879,12 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Last text child"),
           _("Value of the last element of a global array variable, if "
             "it is a text (string) variable."),
-          _("External variables/Global variables/Arrays and structures"),
+          _("External variables ❯ Global variables ❯ Arrays and structures"),
           "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddExpression(
@@ -815,20 +892,23 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
           _("Last number child"),
           _("Value of the last element of a global array variable, if "
             "it is a number variable"),
-          _("External variables/Global variables/Arrays and structures"),
+          _("External variables ❯ Global variables ❯ Arrays and structures"),
           "res/actions/var.png")
       .AddParameter("globalvar", _("Array variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddExpression("GlobalVariableChildCount",
                      _("Number of children"),
                      _("Number of children in a global array or "
                        "structure variable"),
-                     _("External variables/Global variables/Arrays and structures"),
+                     _("External variables ❯ Global variables ❯ Arrays and structures"),
                      "res/actions/var.png")
       .AddParameter("globalvar", _("Array or structure variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetHelpPath("/all-features/variables/structures-and-arrays/")
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddExpression("VariableChildCount",
@@ -837,43 +917,48 @@ void GD_CORE_API BuiltinExtensionsImplementer::ImplementsVariablesExtension(
                        "structure variable"),
                      _("Arrays and structures"),
                      "res/actions/var.png")
-      .AddParameter("variable", _("Array or structure variable"), "AllowUndeclaredVariable");
+      .AddParameter("variable", _("Array or structure variable"), "AllowUndeclaredVariable")
+      .SetHelpPath("/all-features/variables/structures-and-arrays/");
 
   extension
       .AddExpression("Variable",
                      _("Number variable"),
                      _("Number value of a scene variable"),
-                     _("External variables/Scene variables"),
+                     _("External variables ❯ Scene variables"),
                      "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddStrExpression("VariableString",
                         _("Text variable"),
                         _("Text of a scene variable"),
-                        _("External variables/Scene variables"),
+                        _("External variables ❯ Scene variables"),
                         "res/actions/var.png")
       .AddParameter("scenevar", _("Variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddExpression("GlobalVariable",
                      _("Number variable"),
                      _("Number value of a global variable"),
-                     _("External variables/Global variables"),
+                     _("External variables ❯ Global variables"),
                      "res/actions/var.png")
       .AddParameter("globalvar", _("Name of the global variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 
   extension
       .AddStrExpression("GlobalVariableString",
                         _("Text variable"),
                         _("Text of a global variable"),
-                        _("External variables/Global variables"),
+                        _("External variables ❯ Global variables"),
                         "res/actions/var.png")
       .AddParameter("globalvar", _("Variable"))
-      .SetRelevantForFunctionEventsOnly();
+      .SetRelevantForFunctionEventsOnly()
+      .SetHidden();
 }
 
 }  // namespace gd

Core/GDCore/Extensions/Metadata/ObjectMetadata.cpp

@@ -46,30 +46,25 @@ ObjectMetadata::ObjectMetadata(const gd::String& extensionNamespace_,
                                const gd::String& fullname_,
                                const gd::String& description_,
                                const gd::String& icon24x24)
-    : ObjectMetadata(extensionNamespace_,
-                     name_,
-                     fullname_,
-                     description_,
-                     icon24x24,
-                     []() -> std::unique_ptr<gd::ObjectConfiguration> {
-      gd::LogFatalError(
-          "Error: Event-based objects don't have blueprint. "
-          "This method should never be called.");
-      return nullptr;
-    }) {}
+    : name(name_),
+      iconFilename(icon24x24),
+      extensionNamespace(extensionNamespace_) {
+  SetFullName(gd::String(fullname_));
+  SetDescription(gd::String(description_));
+}
 
 ObjectMetadata::ObjectMetadata(const gd::String& extensionNamespace_,
                                const gd::String& name_,
                                const gd::String& fullname_,
                                const gd::String& description_,
                                const gd::String& icon24x24,
-                               CreateFunPtr createFunPtrP)
-    : name(name_),
-      iconFilename(icon24x24),
-      createFunPtr(createFunPtrP),
-      extensionNamespace(extensionNamespace_) {
-  SetFullName(gd::String(fullname_));
-  SetDescription(gd::String(description_));
+                               CreateFunPtr createFunPtr_)
+    : ObjectMetadata(extensionNamespace_,
+                     name_,
+                     fullname_,
+                     description_,
+                     icon24x24) {
+  createFunPtr = createFunPtr_;
 }
 
 gd::InstructionMetadata& ObjectMetadata::AddCondition(

Core/GDCore/Extensions/Metadata/ObjectMetadata.h

@@ -39,6 +39,8 @@ class GD_CORE_API ObjectMetadata : public InstructionOrExpressionContainerMetada
   /**
    * \brief Construct an object metadata, using a "blueprint" object that will
    * be copied when a new object is requested.
+   *
+   * \note This is used for objects declared in JavaScript extensions.
    */
   ObjectMetadata(const gd::String& extensionNamespace_,
                  const gd::String& name_,
@@ -47,9 +49,9 @@ class GD_CORE_API ObjectMetadata : public InstructionOrExpressionContainerMetada
                  const gd::String& icon24x24_,
                  std::shared_ptr<gd::ObjectConfiguration> blueprintObject_);
   /**
-   * \brief Construct an object metadata, without "blueprint" object
+   * \brief Construct an object metadata.
    *
-   * \note This is used by events based objects.
+   * \note This is used by events based objects ("custom objects").
    */
   ObjectMetadata(const gd::String& extensionNamespace_,
                  const gd::String& name_,
@@ -60,14 +62,17 @@ class GD_CORE_API ObjectMetadata : public InstructionOrExpressionContainerMetada
   /**
    * \brief Construct an object metadata, with a function that will be called
    * to instantiate a new object.
+   *
+   * \note This is used for objects declared in C++ extensions.
    */
   ObjectMetadata(const gd::String& extensionNamespace_,
                  const gd::String& name_,
                  const gd::String& fullname_,
                  const gd::String& description_,
                  const gd::String& icon24x24_,
-                 CreateFunPtr createFunPtrP);
-  ObjectMetadata() : createFunPtr(NULL) {}
+                 CreateFunPtr createFunPtr_);
+
+  ObjectMetadata() {}
   virtual ~ObjectMetadata(){};
 
   /**
@@ -360,7 +365,7 @@ class GD_CORE_API ObjectMetadata : public InstructionOrExpressionContainerMetada
 
   std::vector<gd::String> includeFiles;
   gd::String className;
-  CreateFunPtr createFunPtr;
+  CreateFunPtr createFunPtr = nullptr;
 
  private:
   gd::String extensionNamespace;

Core/GDCore/Extensions/Metadata/ParameterMetadataTools.cpp

@@ -33,7 +33,8 @@ void ParameterMetadataTools::ParametersToObjectsContainer(
     const auto& parameter = parameters.GetParameter(i);
     if (parameter.GetName().empty()) continue;
 
-    if (gd::ParameterMetadata::IsObject(parameter.GetType())) {
+    auto &valueTypeMetadata = parameter.GetValueTypeMetadata();
+    if (valueTypeMetadata.IsObject()) {
       const gd::String& objectName = parameter.GetName();
       const gd::String& objectType = parameter.GetExtraInfo();
       allObjectNames.insert(objectName);
@@ -68,7 +69,7 @@ void ParameterMetadataTools::ParametersToObjectsContainer(
       // Search "lastObjectName" in the codebase for other place where this
       // convention is enforced.
       lastObjectName = objectName;
-    } else if (gd::ParameterMetadata::IsBehavior(parameter.GetType())) {
+    } else if (valueTypeMetadata.IsBehavior()) {
       if (!lastObjectName.empty()) {
         if (outputObjectsContainer.HasObjectNamed(lastObjectName)) {
           const gd::String& behaviorName = parameter.GetName();

Core/GDCore/Extensions/Metadata/ValueTypeMetadata.cpp

@@ -79,6 +79,8 @@ const gd::String ValueTypeMetadata::colorValueType = "color";
 const gd::String ValueTypeMetadata::choiceValueType = "stringWithSelector";
 const gd::String ValueTypeMetadata::behaviorValueType = "behavior";
 const gd::String ValueTypeMetadata::leaderboardIdValueType = "leaderboardId";
+const gd::String ValueTypeMetadata::objectAnimationNameValueType = "objectAnimationName";
+const gd::String ValueTypeMetadata::keyboardKeyValueType = "keyboardKey";
 
 const gd::String &ValueTypeMetadata::ConvertPropertyTypeToValueType(
     const gd::String &propertyType) {
@@ -94,8 +96,12 @@ const gd::String &ValueTypeMetadata::ConvertPropertyTypeToValueType(
     return behaviorValueType;
   } else if (propertyType == "LeaderboardId") {
     return leaderboardIdValueType;
+  } else if (propertyType == "ObjectAnimationName") {
+    return objectAnimationNameValueType;
+  } else if (propertyType == "KeyboardKey") {
+    return keyboardKeyValueType;
   }
-  // For "String" or default
+  // For "String", "Resource", "MultilineString" or default
   return stringValueType;
 };
 

Core/GDCore/Extensions/Metadata/ValueTypeMetadata.h

@@ -129,7 +129,7 @@ class GD_CORE_API ValueTypeMetadata {
   }
 
   /**
-   * \brief Return true if the type of the parameter is a number.
+   * \brief Return true if the type of the parameter is a variable.
    * \note If you had a new type of parameter, also add it in the IDE (
    * see EventsFunctionParametersEditor, ParameterRenderingService
    * and ExpressionAutocompletion) and in the EventsCodeGenerator.
@@ -148,6 +148,19 @@ class GD_CORE_API ValueTypeMetadata {
     return gd::ValueTypeMetadata::GetPrimitiveValueType(type) == "variable";
   }
 
+  /**
+   * \brief Return true if the type of the parameter is a variable and not a
+   * property or a parameter.
+   */
+  bool IsVariableOnly() const {
+      return
+          // Any variable.
+          name == "variable" ||
+          // Old, "pre-scoped" variables:
+          name == "objectvar" || name == "globalvar" ||
+          name == "scenevar";
+  }
+
   /**
    * \brief Return true if the type is a variable but from a specific scope
    * (scene, project or object). In new code, prefer to use the more generic "variable"
@@ -212,15 +225,20 @@ class GD_CORE_API ValueTypeMetadata {
              parameterType == "functionParameterName" ||
              parameterType == "externalLayoutName" ||
              parameterType == "leaderboardId" ||
+             parameterType == "keyboardKey" ||
+             parameterType == "mouseButton" ||
              parameterType == "identifier";
     } else if (type == "boolean") {
       return parameterType == "yesorno" || parameterType == "trueorfalse";
     } else if (type == "variable") {
       return
-             parameterType == "variable" || // Any variable.
-             // Old, "pre-scoped" variables:
-             parameterType == "objectvar" || parameterType == "globalvar" ||
-             parameterType == "scenevar";
+          // Any variable.
+          parameterType == "variable" ||
+          parameterType == "variableOrProperty" ||
+          parameterType == "variableOrPropertyOrParameter" ||
+          // Old, "pre-scoped" variables:
+          parameterType == "objectvar" || parameterType == "globalvar" ||
+          parameterType == "scenevar";
     } else if (type == "resource") {
       return parameterType == "fontResource" ||
              parameterType == "audioResource" ||
@@ -316,6 +334,8 @@ class GD_CORE_API ValueTypeMetadata {
   static const gd::String choiceValueType;
   static const gd::String behaviorValueType;
   static const gd::String leaderboardIdValueType;
+  static const gd::String objectAnimationNameValueType;
+  static const gd::String keyboardKeyValueType;
 };
 
 }  // namespace gd

Core/GDCore/Extensions/Platform.cpp

@@ -38,12 +38,14 @@ bool Platform::AddExtension(std::shared_ptr<gd::PlatformExtension> extension) {
 
   extensionsLoaded.push_back(extension);
 
-  // Load all creation/destruction functions for objects provided by the
-  // extension
+  // Load all creation functions for objects provided by the
+  // extension.
   vector<gd::String> objectsTypes = extension->GetExtensionObjectsTypes();
   for (std::size_t i = 0; i < objectsTypes.size(); ++i) {
-    creationFunctionTable[objectsTypes[i]] =
-        extension->GetObjectCreationFunctionPtr(objectsTypes[i]);
+    CreateFunPtr createFunPtr = extension->GetObjectCreationFunctionPtr(objectsTypes[i]);
+    if (createFunPtr != nullptr) {
+      creationFunctionTable[objectsTypes[i]] = createFunPtr;
+    }
   }
 
   for (const auto& it :
@@ -62,7 +64,9 @@ void Platform::RemoveExtension(const gd::String& name) {
     if (extension->GetName() == name) {
       vector<gd::String> objectsTypes = extension->GetExtensionObjectsTypes();
       for (std::size_t i = 0; i < objectsTypes.size(); ++i) {
-        creationFunctionTable.erase(objectsTypes[i]);
+        if (creationFunctionTable.find(objectsTypes[i]) != creationFunctionTable.end()) {
+          creationFunctionTable.erase(objectsTypes[i]);
+        }
       }
     }
   }

Core/GDCore/IDE/Events/EventsParameterReplacer.cpp

@@ -141,7 +141,7 @@ class GD_CORE_API ExpressionParameterReplacer
           parameterMetadata->GetValueTypeMetadata();
       if (gd::EventsParameterReplacer::CanContainParameter(
               parameterTypeMetadata)) {
-        isParentTypeAVariable = parameterTypeMetadata.IsVariable();
+        isParentTypeAVariable = parameterTypeMetadata.IsVariableOnly();
         parameter->Visit(*this);
       }
     }
@@ -197,7 +197,7 @@ bool EventsParameterReplacer::DoVisitInstruction(gd::Instruction& instruction,
         if (node) {
           ExpressionParameterReplacer renamer(
               platform, GetProjectScopedContainers(),
-              parameterMetadata.GetValueTypeMetadata().IsVariable(),
+              parameterMetadata.GetValueTypeMetadata().IsVariableOnly(),
               oldToNewPropertyNames);
           node->Visit(renamer);
 
@@ -221,7 +221,7 @@ bool EventsParameterReplacer::DoVisitEventExpression(
   if (node) {
     ExpressionParameterReplacer renamer(
         platform, GetProjectScopedContainers(),
-        metadata.GetValueTypeMetadata().IsVariable(), oldToNewPropertyNames);
+        metadata.GetValueTypeMetadata().IsVariableOnly(), oldToNewPropertyNames);
     node->Visit(renamer);
 
     if (renamer.HasDoneRenaming()) {

Core/GDCore/IDE/Events/EventsPropertyReplacer.cpp

@@ -168,7 +168,7 @@ class GD_CORE_API ExpressionPropertyReplacer
           parameterMetadata->GetValueTypeMetadata();
       if (gd::EventsPropertyReplacer::CanContainProperty(
               parameterTypeMetadata)) {
-        isParentTypeAVariable = parameterTypeMetadata.IsVariable();
+        isParentTypeAVariable = parameterTypeMetadata.IsVariableOnly();
         parameter->Visit(*this);
       }
     }
@@ -231,7 +231,7 @@ bool EventsPropertyReplacer::DoVisitInstruction(gd::Instruction& instruction,
         if (node) {
           ExpressionPropertyReplacer renamer(
               platform, GetProjectScopedContainers(), targetPropertiesContainer,
-              parameterMetadata.GetValueTypeMetadata().IsVariable(),
+              parameterMetadata.GetValueTypeMetadata().IsVariableOnly(),
               oldToNewPropertyNames, removedPropertyNames);
           node->Visit(renamer);
 
@@ -257,7 +257,7 @@ bool EventsPropertyReplacer::DoVisitEventExpression(
   if (node) {
     ExpressionPropertyReplacer renamer(
         platform, GetProjectScopedContainers(), targetPropertiesContainer,
-        metadata.GetValueTypeMetadata().IsVariable(), oldToNewPropertyNames,
+        metadata.GetValueTypeMetadata().IsVariableOnly(), oldToNewPropertyNames,
         removedPropertyNames);
     node->Visit(renamer);
 

Core/GDCore/IDE/Events/EventsVariableInstructionTypeSwitcher.cpp

@@ -71,13 +71,18 @@ bool EventsVariableInstructionTypeSwitcher::DoVisitInstruction(gd::Instruction&
                     .GetObjectsContainersList()
                     .GetObjectOrGroupVariablesContainer(lastObjectName);
           }
+        } else if (type == "variableOrProperty") {
+            variablesContainer =
+                &GetProjectScopedContainers()
+                      .GetVariablesContainersList()
+                      .GetVariablesContainerFromVariableOrPropertyName(variableName);
         } else {
           if (GetProjectScopedContainers().GetVariablesContainersList().Has(
                   variableName)) {
             variablesContainer =
                 &GetProjectScopedContainers()
                       .GetVariablesContainersList()
-                      .GetVariablesContainerFromVariableName(variableName);
+                      .GetVariablesContainerFromVariableOrPropertyOrParameterName(variableName);
           }
         }
 

Core/GDCore/IDE/Events/EventsVariableReplacer.cpp

@@ -122,7 +122,7 @@ class GD_CORE_API ExpressionVariableReplacer
         [&]() {
           // This is a variable.
           if (&projectScopedContainers.GetVariablesContainersList()
-                   .GetVariablesContainerFromVariableName(node.name) ==
+                   .GetVariablesContainerFromVariableOrPropertyOrParameterName(node.name) ==
               &targetVariablesContainer) {
             // The node represents a variable, that can come from the target
             // (because the target is in the scope), replace or remove it:
@@ -235,7 +235,7 @@ class GD_CORE_API ExpressionVariableReplacer
         [&]() {
           // This is a variable.
           if (&projectScopedContainers.GetVariablesContainersList()
-                   .GetVariablesContainerFromVariableName(
+                   .GetVariablesContainerFromVariableOrPropertyOrParameterName(
                        node.identifierName) == &targetVariablesContainer) {
             // The node represents a variable, that can come from the target
             // (because the target is in the scope), replace or remove it:

Core/GDCore/IDE/Events/ExampleExtensionUsagesFinder.cpp

@@ -0,0 +1,235 @@
+#include "ExampleExtensionUsagesFinder.h"
+
+#include "GDCore/Events/Instruction.h"
+#include "GDCore/Extensions/Metadata/MetadataProvider.h"
+#include "GDCore/Extensions/Metadata/ParameterMetadataTools.h"
+#include "GDCore/Extensions/PlatformExtension.h"
+#include "GDCore/IDE/Events/ExpressionTypeFinder.h"
+#include "GDCore/IDE/ProjectBrowserHelper.h"
+#include "GDCore/IDE/WholeProjectRefactorer.h"
+#include "GDCore/Project/Behavior.h"
+#include "GDCore/Project/EventsFunctionsExtension.h"
+#include "GDCore/Project/Object.h"
+#include "GDCore/Project/Project.h"
+
+namespace gd {
+
+std::set<gd::String>
+ExampleExtensionUsagesFinder::GetUsedExtensions(gd::Project &project) {
+  ExampleExtensionUsagesFinder worker(project);
+  gd::ProjectBrowserHelper::ExposeProjectObjects(project, worker);
+  gd::ProjectBrowserHelper::ExposeProjectEventsWithoutExtensions(project,
+                                                                 worker);
+
+  for (std::size_t e = 0; e < project.GetEventsFunctionsExtensionsCount();
+       e++) {
+    auto &eventsFunctionsExtension = project.GetEventsFunctionsExtension(e);
+    worker.isStoreExtension =
+        eventsFunctionsExtension.GetOriginName() == "gdevelop-extension-store";
+    ProjectBrowserHelper::ExposeEventsFunctionsExtensionEvents(
+        project, eventsFunctionsExtension, worker);
+  }
+  if (!worker.has3DObjects) {
+    worker.usedExtensions.erase("Scene3D");
+  }
+  return worker.usedExtensions;
+};
+
+void ExampleExtensionUsagesFinder::AddUsedExtension(
+    const gd::PlatformExtension &extension) {
+  usedExtensions.insert(extension.GetName());
+}
+
+void ExampleExtensionUsagesFinder::AddUsedBuiltinExtension(
+    const gd::String &extensionName) {
+  usedExtensions.insert(extensionName);
+}
+
+// Objects scanner
+
+void ExampleExtensionUsagesFinder::DoVisitObject(gd::Object &object) {
+  auto metadata = gd::MetadataProvider::GetExtensionAndObjectMetadata(
+      project.GetCurrentPlatform(), object.GetType());
+  if (metadata.GetMetadata().IsRenderedIn3D()) {
+    has3DObjects = true;
+  }
+  AddUsedExtension(metadata.GetExtension());
+};
+
+// Behaviors scanner
+
+void ExampleExtensionUsagesFinder::DoVisitBehavior(gd::Behavior &behavior) {
+  auto metadata = gd::MetadataProvider::GetExtensionAndBehaviorMetadata(
+      project.GetCurrentPlatform(), behavior.GetTypeName());
+  AddUsedExtension(metadata.GetExtension());
+};
+
+// Instructions scanner
+
+bool ExampleExtensionUsagesFinder::DoVisitInstruction(
+    gd::Instruction &instruction, bool isCondition) {
+  auto metadata =
+      isCondition ? gd::MetadataProvider::GetExtensionAndConditionMetadata(
+                        project.GetCurrentPlatform(), instruction.GetType())
+                  : gd::MetadataProvider::GetExtensionAndActionMetadata(
+                        project.GetCurrentPlatform(), instruction.GetType());
+  // Unused event-based objects or events-based behaviors may use object and
+  // behavior instructions that should not be detected as extension usage.
+  // The extension of actually used objects and behaviors will be detected on
+  // scene objects. This is why object or behavior instructions usually don't
+  // have any import.
+  // Built-in extensions that are included by default don't declare any include
+  // files on their instructions either. To still detect their usage, we
+  // consider that main events and dedicated extensions can't have dead code.
+  if (!isStoreExtension || !metadata.GetMetadata().GetIncludeFiles().empty()) {
+    AddUsedExtension(metadata.GetExtension());
+  }
+
+  gd::ParameterMetadataTools::IterateOverParameters(
+      instruction.GetParameters(), metadata.GetMetadata().GetParameters(),
+      [this](const gd::ParameterMetadata &parameterMetadata,
+             const gd::Expression &parameterValue,
+             const gd::String &lastObjectName) {
+        const gd::String &parameterType = parameterMetadata.GetType();
+
+        if (gd::ParameterMetadata::IsExpression("string", parameterType)) {
+          rootType = "string";
+          parameterValue.GetRootNode()->Visit(*this);
+        } else if (gd::ParameterMetadata::IsExpression("number",
+                                                       parameterType)) {
+          rootType = "number";
+          parameterValue.GetRootNode()->Visit(*this);
+        } else if (gd::ParameterMetadata::IsExpression("variable",
+                                                       parameterType))
+          AddUsedBuiltinExtension("BuiltinVariables");
+      });
+
+  return false;
+}
+
+// Expressions scanner
+
+// Ignore literals nodes
+void ExampleExtensionUsagesFinder::OnVisitNumberNode(NumberNode &node){};
+void ExampleExtensionUsagesFinder::OnVisitTextNode(TextNode &node){};
+
+// Ignore nodes without valid extensions
+void ExampleExtensionUsagesFinder::OnVisitEmptyNode(EmptyNode &node){};
+void ExampleExtensionUsagesFinder::OnVisitObjectFunctionNameNode(
+    ObjectFunctionNameNode &node){};
+
+// Visit sub-expressions
+void ExampleExtensionUsagesFinder::OnVisitSubExpressionNode(
+    SubExpressionNode &node) {
+  node.expression->Visit(*this);
+};
+
+void ExampleExtensionUsagesFinder::OnVisitOperatorNode(OperatorNode &node) {
+  node.leftHandSide->Visit(*this);
+  node.rightHandSide->Visit(*this);
+};
+
+void ExampleExtensionUsagesFinder::OnVisitUnaryOperatorNode(
+    UnaryOperatorNode &node) {
+  node.factor->Visit(*this);
+};
+
+// Add variable extension and visit sub-expressions on variable nodes
+void ExampleExtensionUsagesFinder::OnVisitVariableNode(VariableNode &node) {
+  AddUsedBuiltinExtension("BuiltinVariables");
+
+  auto type = gd::ExpressionTypeFinder::GetType(project.GetCurrentPlatform(),
+                                                GetProjectScopedContainers(),
+                                                rootType, node);
+
+  if (gd::ParameterMetadata::IsExpression("variable", type)) {
+    // Nothing to do (this can't reference an object)
+  } else {
+    GetProjectScopedContainers().MatchIdentifierWithName<void>(
+        node.name,
+        [&]() {
+          // This represents an object.
+          auto metadata = gd::MetadataProvider::GetExtensionAndObjectMetadata(
+              project.GetCurrentPlatform(), node.name);
+          AddUsedExtension(metadata.GetExtension());
+        },
+        [&]() {
+          // This is a variable.
+        },
+        [&]() {
+          // This is a property.
+        },
+        [&]() {
+          // This is a parameter.
+        },
+        [&]() {
+          // This is something else.
+        });
+  }
+
+  if (node.child)
+    node.child->Visit(*this);
+};
+
+void ExampleExtensionUsagesFinder::OnVisitVariableAccessorNode(
+    VariableAccessorNode &node) {
+  AddUsedBuiltinExtension("BuiltinVariables");
+  if (node.child)
+    node.child->Visit(*this);
+};
+
+void ExampleExtensionUsagesFinder::OnVisitVariableBracketAccessorNode(
+    VariableBracketAccessorNode &node) {
+  AddUsedBuiltinExtension("BuiltinVariables");
+  node.expression->Visit(*this);
+  if (node.child)
+    node.child->Visit(*this);
+};
+
+// Add extensions bound to Objects/Behaviors/Functions
+void ExampleExtensionUsagesFinder::OnVisitIdentifierNode(IdentifierNode &node) {
+  auto type = gd::ExpressionTypeFinder::GetType(project.GetCurrentPlatform(),
+                                                GetProjectScopedContainers(),
+                                                rootType, node);
+  if (gd::ParameterMetadata::IsObject(type) ||
+      GetObjectsContainersList().HasObjectOrGroupNamed(node.identifierName)) {
+    // An object or object variable is used.
+    auto metadata = gd::MetadataProvider::GetExtensionAndObjectMetadata(
+        project.GetCurrentPlatform(), node.identifierName);
+    AddUsedExtension(metadata.GetExtension());
+  }
+};
+
+void ExampleExtensionUsagesFinder::OnVisitFunctionCallNode(
+    FunctionCallNode &node) {
+  // Extensions of non-free functions are already found when scanning objects.
+  if (!(node.objectName.empty() && node.behaviorName.empty()))
+    return;
+  gd::ExtensionAndMetadata<gd::ExpressionMetadata> metadata;
+
+  // Try to find a free number expression
+  metadata = gd::MetadataProvider::GetExtensionAndExpressionMetadata(
+      project.GetCurrentPlatform(), node.functionName);
+  if (gd::MetadataProvider::IsBadExpressionMetadata(metadata.GetMetadata())) {
+    // Try to find a free str expression
+    metadata = gd::MetadataProvider::GetExtensionAndStrExpressionMetadata(
+        project.GetCurrentPlatform(), node.functionName);
+    // No valid expression found, return.
+    if (gd::MetadataProvider::IsBadExpressionMetadata(metadata.GetMetadata()))
+      return;
+  }
+
+  // Unused event-based objects or events-based behaviors may use object and
+  // behavior expressions that should not be detected as extension usage.
+  // The extension of actually used objects and behaviors will be detected on
+  // scene objects. This is why object or behavior expressions usually don't
+  // have any import.
+  // Built-in extensions that are included by default don't declare any include
+  // files on their instructions either. To still detect their usage, we
+  // consider that main events and dedicated extensions can't have dead code.
+  if (!isStoreExtension || !metadata.GetMetadata().GetIncludeFiles().empty()) {
+    AddUsedExtension(metadata.GetExtension());
+  }
+};
+
+} // namespace gd

Core/GDCore/IDE/Events/ExampleExtensionUsagesFinder.h

@@ -0,0 +1,77 @@
+/*
+ * GDevelop Core
+ * Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
+ * reserved. This project is released under the MIT License.
+ */
+
+#pragma once
+
+#include <set>
+
+#include "GDCore/Events/Parsers/ExpressionParser2NodeWorker.h"
+#include "GDCore/Extensions/Metadata/SourceFileMetadata.h"
+#include "GDCore/Extensions/PlatformExtension.h"
+#include "GDCore/IDE/Events/ArbitraryEventsWorker.h"
+#include "GDCore/IDE/Project/ArbitraryObjectsWorker.h"
+#include "GDCore/String.h"
+
+namespace gd {
+class Project;
+class Object;
+class Behavior;
+} // namespace gd
+
+namespace gd {
+
+/**
+ * @brief List extension usages for generated example web-pages.
+ * 
+ * Dependency transitivity is not ensured (see UsedExtensionsFinder).
+ */
+class GD_CORE_API ExampleExtensionUsagesFinder
+    : public ArbitraryObjectsWorker,
+      public ArbitraryEventsWorkerWithContext,
+      public ExpressionParser2NodeWorker {
+public:
+  static std::set<gd::String> GetUsedExtensions(gd::Project &project);
+
+private:
+  ExampleExtensionUsagesFinder(gd::Project &project_) : project(project_){};
+  gd::Project &project;
+  gd::String rootType;
+  bool isStoreExtension = false;
+
+  // Result
+  std::set<gd::String> usedExtensions;
+  bool has3DObjects = false;
+
+  void AddUsedExtension(const gd::PlatformExtension &extension);
+  void AddUsedBuiltinExtension(const gd::String &extensionName);
+
+  // Object Visitor
+  void DoVisitObject(gd::Object &object) override;
+
+  // Behavior Visitor
+  void DoVisitBehavior(gd::Behavior &behavior) override;
+
+  // Instructions Visitor
+  bool DoVisitInstruction(gd::Instruction &instruction,
+                          bool isCondition) override;
+
+  // Expression Visitor
+  void OnVisitSubExpressionNode(SubExpressionNode &node) override;
+  void OnVisitOperatorNode(OperatorNode &node) override;
+  void OnVisitUnaryOperatorNode(UnaryOperatorNode &node) override;
+  void OnVisitNumberNode(NumberNode &node) override;
+  void OnVisitTextNode(TextNode &node) override;
+  void OnVisitVariableNode(VariableNode &node) override;
+  void OnVisitVariableAccessorNode(VariableAccessorNode &node) override;
+  void OnVisitVariableBracketAccessorNode(
+      VariableBracketAccessorNode &node) override;
+  void OnVisitIdentifierNode(IdentifierNode &node) override;
+  void OnVisitObjectFunctionNameNode(ObjectFunctionNameNode &node) override;
+  void OnVisitFunctionCallNode(FunctionCallNode &node) override;
+  void OnVisitEmptyNode(EmptyNode &node) override;
+};
+
+}; // namespace gd

Core/GDCore/IDE/Events/ExpressionCompletionFinder.h

@@ -1034,7 +1034,7 @@ class GD_CORE_API ExpressionCompletionFinder
           description.SetVariableType(variable.GetType());
           description.SetVariableScope(
               projectScopedContainers.GetVariablesContainersList()
-                  .GetVariablesContainerFromVariableName(variableName)
+                  .GetVariablesContainerFromVariableOrPropertyOrParameterName(variableName)
                   .GetSourceType());
           completions.push_back(description);
 
@@ -1086,7 +1086,7 @@ class GD_CORE_API ExpressionCompletionFinder
           description.SetVariableType(variable.GetType());
           description.SetVariableScope(
               projectScopedContainers.GetVariablesContainersList()
-                  .GetVariablesContainerFromVariableName(variableName)
+                  .GetVariablesContainerFromVariableOrPropertyOrParameterName(variableName)
                   .GetSourceType());
           completions.push_back(description);
 

Core/GDCore/IDE/Events/ExpressionValidator.cpp

@@ -460,10 +460,12 @@ const gd::String& ExpressionValidator::TypeToString(Type type) {
     case Type::NumberOrString:
       return numberOrStringTypeString;
     case Type::Variable:
-      return variableTypeString;
+      // This function is only used to display errors.
+      // Users don't care if it's legacy or not or
+      // if it allows properties and parameters.
+    case Type::VariableOrProperty:
+    case Type::VariableOrPropertyOrParameter:
     case Type::LegacyVariable:
-      // This function is only used to display error.
-      // Users don't care if it's legacy or not.
       return variableTypeString;
     case Type::Object:
       return objectTypeString;
@@ -493,8 +495,11 @@ ExpressionValidator::Type ExpressionValidator::StringToType(
           ExpressionValidator::variableTypeString, type)) {
     if (gd::ValueTypeMetadata::IsTypeLegacyPreScopedVariable(type)) {
       return Type::LegacyVariable;
-    }
-    else {
+    } else if (type == "variableOrProperty") {
+      return Type::VariableOrProperty;
+    } else if (type == "variableOrPropertyOrParameter") {
+      return Type::VariableOrPropertyOrParameter;
+    } else {
       return Type::Variable;
     }
   }

Core/GDCore/IDE/Events/ExpressionValidator.h

@@ -203,10 +203,12 @@ class GD_CORE_API ExpressionValidator : public ExpressionParser2NodeWorker {
   void OnVisitVariableNode(VariableNode& node) override {
     ReportAnyError(node);
 
-    if (parentType == Type::Variable) {
+    if (parentType == Type::Variable ||
+        parentType == Type::VariableOrProperty ||
+        parentType == Type::VariableOrPropertyOrParameter) {
       childType = parentType;
 
-      CheckVariableExistence(node.location, node.name);
+      CheckVariableExistence(node.location, node.name, node.child != nullptr);
       if (node.child) {
         node.child->Visit(*this);
       }
@@ -216,7 +218,8 @@ class GD_CORE_API ExpressionValidator : public ExpressionParser2NodeWorker {
       if (node.child) {
         node.child->Visit(*this);
       }
-    } else if (parentType == Type::String || parentType == Type::Number || parentType == Type::NumberOrString) {
+    } else if (parentType == Type::String || parentType == Type::Number ||
+               parentType == Type::NumberOrString) {
       // The node represents a variable or an object variable in an expression waiting for its *value* to be returned.
       childType = parentType;
 
@@ -336,11 +339,12 @@ class GD_CORE_API ExpressionValidator : public ExpressionParser2NodeWorker {
             _("You must enter a number or a text, wrapped inside double quotes (example: \"Hello world\"), or a variable name."),
             node.location);
       }
-    }
-    else if (parentType == Type::Variable) {
-      CheckVariableExistence(node.location, node.identifierName);
-    }
-    else if (parentType != Type::Object && parentType != Type::LegacyVariable) {
+    } else if (parentType == Type::Variable ||
+               parentType == Type::VariableOrProperty ||
+               parentType == Type::VariableOrPropertyOrParameter) {
+      CheckVariableExistence(node.location, node.identifierName, !node.childIdentifierName.empty());
+    } else if (parentType != Type::Object &&
+               parentType != Type::LegacyVariable) {
       // It can't happen.
       RaiseTypeError(
           _("You've entered a name, but this type was expected:") + " " + TypeToString(parentType),
@@ -376,8 +380,19 @@ class GD_CORE_API ExpressionValidator : public ExpressionParser2NodeWorker {
     childType = Type::Empty;
   }
 
- private:
-  enum Type {Unknown = 0, Number, String, NumberOrString, Variable, LegacyVariable, Object, Empty};
+private:
+  enum Type {
+    Unknown = 0,
+    Number,
+    String,
+    NumberOrString,
+    Variable,
+    LegacyVariable,
+    Object,
+    Empty,
+    VariableOrProperty,
+    VariableOrPropertyOrParameter
+  };
   Type ValidateFunction(const gd::FunctionCallNode& function);
   bool ValidateObjectVariableOrVariableOrProperty(const gd::IdentifierNode& identifier);
   bool ValidateObjectVariableOrVariableOrProperty(
@@ -386,8 +401,10 @@ class GD_CORE_API ExpressionValidator : public ExpressionParser2NodeWorker {
       const gd::String &childIdentifierName,
       const gd::ExpressionParserLocation childIdentifierNameLocation);
 
-  void CheckVariableExistence(const ExpressionParserLocation &location, const gd::String& name) {
-    if (!currentParameterExtraInfo || *currentParameterExtraInfo != "AllowUndeclaredVariable") {
+  void CheckVariableExistence(const ExpressionParserLocation &location,
+                              const gd::String &name, bool hasChild) {
+    if (!currentParameterExtraInfo ||
+        *currentParameterExtraInfo != "AllowUndeclaredVariable") {
       projectScopedContainers.MatchIdentifierWithName<void>(
           name,
           [&]() {
@@ -402,19 +419,28 @@ class GD_CORE_API ExpressionValidator : public ExpressionParser2NodeWorker {
           },
           [&]() {
             // This is a property.
-            // This error won't happen unless the priority is changed.
-            RaiseVariableNameCollisionError(
-                _("This variable has the same name as a property. Consider "
-                  "renaming one or the other."),
-                location, name);
+            if (parentType != Type::VariableOrProperty &&
+                parentType != Type::VariableOrPropertyOrParameter) {
+              RaiseVariableNameCollisionError(
+                  _("This variable has the same name as a property. Consider "
+                    "renaming one or the other."),
+                  location, name);
+            } else if (hasChild) {
+              RaiseMalformedVariableParameter(
+                  _("Properties can't have children."), location, name);
+            }
           },
           [&]() {
             // This is a parameter.
-            // This error won't happen unless the priority is changed.
-            RaiseVariableNameCollisionError(
-                _("This variable has the same name as a parameter. Consider "
-                  "renaming one or the other."),
-                location, name);
+            if (parentType != Type::VariableOrPropertyOrParameter) {
+              RaiseVariableNameCollisionError(
+                  _("This variable has the same name as a parameter. Consider "
+                    "renaming one or the other."),
+                  location, name);
+            } else if (hasChild) {
+              RaiseMalformedVariableParameter(
+                  _("Properties can't have children."), location, name);
+            }
           },
           [&]() {
             // This is something else.
@@ -476,6 +502,13 @@ class GD_CORE_API ExpressionValidator : public ExpressionParser2NodeWorker {
                message, location, false, variableName, objectName);
   }
 
+  void RaiseMalformedVariableParameter(const gd::String &message,
+                                   const ExpressionParserLocation &location,
+                                   const gd::String &variableName) {
+    RaiseError(gd::ExpressionParserError::ErrorType::MalformedVariableParameter,
+               message, location, true, variableName, "");
+  }
+
   void RaiseTypeError(const gd::String &message,
                       const ExpressionParserLocation &location,
                       bool isFatal = true) {

Core/GDCore/IDE/Events/ExpressionVariablePathFinder.h

@@ -215,7 +215,7 @@ class GD_CORE_API ExpressionVariablePathFinder
             if (projectScopedContainers.GetVariablesContainersList().Has(identifier)) {
               variablesContainer =
                   &(projectScopedContainers.GetVariablesContainersList()
-                        .GetVariablesContainerFromVariableName(identifier));
+                        .GetVariablesContainerFromVariableOrPropertyOrParameterName(identifier));
               variableName = identifier;
               if (childIdentifier) {
                 childVariableNames.push_back(*childIdentifier);
@@ -223,12 +223,28 @@ class GD_CORE_API ExpressionVariablePathFinder
             }
           },
           [&]() {
-            // Ignore properties here.
-            // There is no support for "children" of properties.
+            // This is a property.
+            if (parameterType != "objectvar" &&
+                    projectScopedContainers.GetVariablesContainersList().Has(
+                        identifier)) {
+              variablesContainer =
+                  &(projectScopedContainers.GetVariablesContainersList()
+                        .GetVariablesContainerFromVariableOrPropertyOrParameterName(identifier));
+              variableName = identifier;
+              // There is no support for "children" of properties.
+            }
           },
           [&]() {
-            // Ignore parameters here.
-            // There is no support for "children" of parameters.
+            // This is a parameter.
+            if (parameterType != "objectvar" &&
+                projectScopedContainers.GetVariablesContainersList().Has(
+                    identifier)) {
+              variablesContainer =
+                  &(projectScopedContainers.GetVariablesContainersList()
+                        .GetVariablesContainerFromVariableOrPropertyOrParameterName(identifier));
+              variableName = identifier;
+              // There is no support for "children" of parameters.
+            }
           },
           [&]() {
             // Ignore unrecognised identifiers here.

Core/GDCore/IDE/EventsFunctionTools.cpp

@@ -9,7 +9,10 @@
 #include "GDCore/Extensions/Metadata/ParameterMetadataTools.h"
 #include "GDCore/Project/EventsBasedBehavior.h"
 #include "GDCore/Project/EventsBasedObject.h"
-//#include "GDCore/Project/ObjectsContainer.h"
+#include "GDCore/Project/ObjectsContainer.h"
+#include "GDCore/Project/ParameterMetadataContainer.h"
+#include "GDCore/Project/PropertiesContainer.h"
+#include "GDCore/Project/VariablesContainer.h"
 #include "GDCore/Project/EventsFunction.h"
 #include "GDCore/Project/Object.h"
 #include "GDCore/Project/Project.h"
@@ -100,4 +103,72 @@ void EventsFunctionTools::ObjectEventsFunctionToObjectsContainer(
   }
 }
 
+void EventsFunctionTools::ParametersToVariablesContainer(
+    const ParameterMetadataContainer &parameters,
+    gd::VariablesContainer &outputVariablesContainer) {
+  if (outputVariablesContainer.GetSourceType() !=
+      gd::VariablesContainer::SourceType::Parameters) {
+    throw std::logic_error("Tried to generate a variables container from "
+                           "parameters with the wrong source type.");
+  }
+  outputVariablesContainer.Clear();
+
+  gd::String lastObjectName;
+  for (std::size_t i = 0; i < parameters.GetParametersCount(); ++i) {
+    const auto &parameter = parameters.GetParameter(i);
+    if (parameter.GetName().empty())
+      continue;
+
+    auto &valueTypeMetadata = parameter.GetValueTypeMetadata();
+    if (valueTypeMetadata.IsNumber()) {
+      auto &variable = outputVariablesContainer.InsertNew(
+          parameter.GetName(), outputVariablesContainer.Count());
+      variable.SetValue(0);
+    } else if (valueTypeMetadata.IsString()) {
+      auto &variable = outputVariablesContainer.InsertNew(
+          parameter.GetName(), outputVariablesContainer.Count());
+      variable.SetString("");
+    } else if (valueTypeMetadata.IsBoolean()) {
+      auto &variable = outputVariablesContainer.InsertNew(
+          parameter.GetName(), outputVariablesContainer.Count());
+      variable.SetBool(false);
+    }
+  }
+}
+
+void EventsFunctionTools::PropertiesToVariablesContainer(
+    const PropertiesContainer &properties,
+    gd::VariablesContainer &outputVariablesContainer) {
+  if (outputVariablesContainer.GetSourceType() !=
+      gd::VariablesContainer::SourceType::Properties) {
+    throw std::logic_error("Tried to generate a variables container from "
+                           "properties with the wrong source type.");
+  }
+  outputVariablesContainer.Clear();
+
+  gd::String lastObjectName;
+  for (std::size_t i = 0; i < properties.GetCount(); ++i) {
+    const auto &property = properties.Get(i);
+    if (property.GetName().empty())
+      continue;
+
+    auto &propertyType = gd::ValueTypeMetadata::GetPrimitiveValueType(
+        gd::ValueTypeMetadata::ConvertPropertyTypeToValueType(
+            property.GetType()));
+    if (propertyType == "number") {
+      auto &variable = outputVariablesContainer.InsertNew(
+          property.GetName(), outputVariablesContainer.Count());
+      variable.SetValue(0);
+    } else if (propertyType == "string") {
+      auto &variable = outputVariablesContainer.InsertNew(
+          property.GetName(), outputVariablesContainer.Count());
+      variable.SetString("");
+    } else if (propertyType == "boolean") {
+      auto &variable = outputVariablesContainer.InsertNew(
+          property.GetName(), outputVariablesContainer.Count());
+      variable.SetBool(false);
+    }
+  }
+}
+
 }  // namespace gd

Core/GDCore/IDE/EventsFunctionTools.h

@@ -12,6 +12,9 @@ namespace gd {
 class Project;
 class EventsFunctionsContainer;
 class ObjectsContainer;
+class ParameterMetadataContainer;
+class PropertiesContainer;
+class VariablesContainer;
 class ParameterMetadata;
 class EventsFunction;
 class EventsBasedBehavior;
@@ -68,5 +71,13 @@ class GD_CORE_API EventsFunctionTools {
       const gd::EventsBasedObject& eventsBasedObject,
       const gd::EventsFunction& eventsFunction,
       gd::ObjectsContainer& outputObjectsContainer);
+
+  static void ParametersToVariablesContainer(
+      const ParameterMetadataContainer &parameters,
+      gd::VariablesContainer &outputVariablesContainer);
+
+  static void PropertiesToVariablesContainer(
+      const PropertiesContainer &properties,
+      gd::VariablesContainer &outputVariablesContainer);
 };
 }  // namespace gd

Core/GDCore/IDE/ProjectBrowserHelper.cpp

@@ -39,6 +39,22 @@ void ProjectBrowserHelper::ExposeProjectEvents(
   }
 }
 
+void ProjectBrowserHelper::ExposeProjectEvents(
+    gd::Project &project, gd::ArbitraryEventsWorkerWithContext &worker) {
+  // See also gd::ResourceExposer::ExposeWholeProjectResources
+  // for a method that traverses the whole project (this time for resources)
+  // and ExposeProjectEffects (this time for effects).
+
+  ExposeProjectEventsWithoutExtensions(project, worker);
+
+  // Add events based extensions
+  for (std::size_t e = 0; e < project.GetEventsFunctionsExtensionsCount();
+       e++) {
+    auto &eventsFunctionsExtension = project.GetEventsFunctionsExtension(e);
+    ProjectBrowserHelper::ExposeEventsFunctionsExtensionEvents(project, eventsFunctionsExtension, worker);
+  }
+}
+
 void ProjectBrowserHelper::ExposeProjectEventsWithoutExtensions(
     gd::Project& project, gd::ArbitraryEventsWorker& worker) {
   // Add layouts events
@@ -51,6 +67,28 @@ void ProjectBrowserHelper::ExposeProjectEventsWithoutExtensions(
   }
 }
 
+void ProjectBrowserHelper::ExposeProjectEventsWithoutExtensions(
+    gd::Project& project, gd::ArbitraryEventsWorkerWithContext& worker) {
+  // Add layouts events
+  for (std::size_t s = 0; s < project.GetLayoutsCount(); s++) {
+    auto &layout = project.GetLayout(s);
+    auto projectScopedContainers =
+      gd::ProjectScopedContainers::MakeNewProjectScopedContainersForProjectAndLayout(project, layout);
+    worker.Launch(layout.GetEvents(), projectScopedContainers);
+  }
+  // Add external events events
+  for (std::size_t s = 0; s < project.GetExternalEventsCount(); s++) {
+    const auto &externalEvents = project.GetExternalEvents(s);
+    const gd::String &associatedLayout = externalEvents.GetAssociatedLayout();
+    if (project.HasLayoutNamed(associatedLayout)) {
+      auto &layout = project.GetLayout(associatedLayout);
+      auto projectScopedContainers =
+        gd::ProjectScopedContainers::MakeNewProjectScopedContainersForProjectAndLayout(project, layout);
+      worker.Launch(project.GetExternalEvents(s).GetEvents(), projectScopedContainers);
+    }
+  }
+}
+
 void ProjectBrowserHelper::ExposeLayoutEventsAndExternalEvents(
     gd::Project &project, gd::Layout &layout,
     gd::ArbitraryEventsWorker &worker) {
@@ -111,43 +149,12 @@ void ProjectBrowserHelper::ExposeLayoutEventsAndDependencies(
   }
 }
 
-void ProjectBrowserHelper::ExposeProjectEvents(
-    gd::Project &project, gd::ArbitraryEventsWorkerWithContext &worker) {
-  // See also gd::ResourceExposer::ExposeWholeProjectResources
-  // for a method that traverses the whole project (this time for resources)
-  // and ExposeProjectEffects (this time for effects).
-
-  // Add layouts events
-  for (std::size_t s = 0; s < project.GetLayoutsCount(); s++) {
-    auto &layout = project.GetLayout(s);
-    auto projectScopedContainers =
-      gd::ProjectScopedContainers::MakeNewProjectScopedContainersForProjectAndLayout(project, layout);
-    worker.Launch(layout.GetEvents(), projectScopedContainers);
-  }
-  // Add external events events
-  for (std::size_t s = 0; s < project.GetExternalEventsCount(); s++) {
-    const auto &externalEvents = project.GetExternalEvents(s);
-    const gd::String &associatedLayout = externalEvents.GetAssociatedLayout();
-    if (project.HasLayoutNamed(associatedLayout)) {
-      auto &layout = project.GetLayout(associatedLayout);
-      auto projectScopedContainers =
-        gd::ProjectScopedContainers::MakeNewProjectScopedContainersForProjectAndLayout(project, layout);
-      worker.Launch(project.GetExternalEvents(s).GetEvents(), projectScopedContainers);
-    }
-  }
-  // Add events based extensions
-  for (std::size_t e = 0; e < project.GetEventsFunctionsExtensionsCount();
-       e++) {
-    auto &eventsFunctionsExtension = project.GetEventsFunctionsExtension(e);
-    ProjectBrowserHelper::ExposeEventsFunctionsExtensionEvents(project, eventsFunctionsExtension, worker);
-  }
-}
-
 void ProjectBrowserHelper::ExposeEventsFunctionsExtensionEvents(
     gd::Project &project, const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     gd::ArbitraryEventsWorker &worker) {
     // Add (free) events functions
-    for (auto &&eventsFunction : eventsFunctionsExtension.GetInternalVector()) {
+    for (auto &&eventsFunction :
+         eventsFunctionsExtension.GetEventsFunctions().GetInternalVector()) {
       worker.Launch(eventsFunction->GetEvents());
     }
 
@@ -169,13 +176,18 @@ void ProjectBrowserHelper::ExposeEventsFunctionsExtensionEvents(
     gd::Project &project, const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     gd::ArbitraryEventsWorkerWithContext &worker) {
     // Add (free) events functions
-    for (auto &&eventsFunction : eventsFunctionsExtension.GetInternalVector()) {
+    for (auto &&eventsFunction :
+         eventsFunctionsExtension.GetEventsFunctions().GetInternalVector()) {
       gd::ObjectsContainer parameterObjectsContainer(
           gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
+    gd::VariablesContainer propertyVariablesContainer(
+        gd::VariablesContainer::SourceType::Properties);
       auto projectScopedContainers = gd::ProjectScopedContainers::
           MakeNewProjectScopedContainersForFreeEventsFunction(
               project, eventsFunctionsExtension, *eventsFunction,
-              parameterObjectsContainer);
+              parameterObjectsContainer, parameterVariablesContainer);
 
       worker.Launch(eventsFunction->GetEvents(), projectScopedContainers);
     }
@@ -207,15 +219,32 @@ void ProjectBrowserHelper::ExposeEventsBasedBehaviorEvents(
     gd::Project &project, const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     const gd::EventsBasedBehavior &eventsBasedBehavior,
     gd::ArbitraryEventsWorkerWithContext &worker) {
+  gd::VariablesContainer propertyVariablesContainer(
+      gd::VariablesContainer::SourceType::Properties);
+  gd::ProjectBrowserHelper::ExposeEventsBasedBehaviorEvents(
+    project, eventsFunctionsExtension,
+    eventsBasedBehavior,
+    propertyVariablesContainer,
+    worker);
+}
+
+void ProjectBrowserHelper::ExposeEventsBasedBehaviorEvents(
+    gd::Project &project, const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+    const gd::EventsBasedBehavior &eventsBasedBehavior,
+    gd::VariablesContainer &propertyVariablesContainer,
+    gd::ArbitraryEventsWorkerWithContext &worker) {
   auto &behaviorEventsFunctions = eventsBasedBehavior.GetEventsFunctions();
   for (auto &&eventsFunction : behaviorEventsFunctions.GetInternalVector()) {
 
     gd::ObjectsContainer parameterObjectsContainers(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForBehaviorEventsFunction(
             project, eventsFunctionsExtension, eventsBasedBehavior,
-            *eventsFunction, parameterObjectsContainers);
+            *eventsFunction, parameterObjectsContainers,
+            parameterVariablesContainer, propertyVariablesContainer);
 
     worker.Launch(eventsFunction->GetEvents(), projectScopedContainers);
   }
@@ -235,15 +264,31 @@ void ProjectBrowserHelper::ExposeEventsBasedObjectEvents(
     const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     const gd::EventsBasedObject &eventsBasedObject,
     gd::ArbitraryEventsWorkerWithContext &worker) {
+  gd::VariablesContainer propertyVariablesContainer(
+      gd::VariablesContainer::SourceType::Properties);
+  gd::ProjectBrowserHelper::ExposeEventsBasedObjectEvents(
+      project, eventsFunctionsExtension, eventsBasedObject,
+      propertyVariablesContainer, worker);
+}
+
+void ProjectBrowserHelper::ExposeEventsBasedObjectEvents(
+    gd::Project &project,
+    const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+    const gd::EventsBasedObject &eventsBasedObject,
+    gd::VariablesContainer &propertyVariablesContainer,
+    gd::ArbitraryEventsWorkerWithContext &worker) {
   auto &objectEventsFunctions = eventsBasedObject.GetEventsFunctions();
   for (auto &&eventsFunction : objectEventsFunctions.GetInternalVector()) {
 
     gd::ObjectsContainer parameterObjectsContainers(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForObjectEventsFunction(
             project, eventsFunctionsExtension, eventsBasedObject,
-            *eventsFunction, parameterObjectsContainers);
+            *eventsFunction, parameterObjectsContainers,
+            parameterVariablesContainer, propertyVariablesContainer);
 
     worker.Launch(eventsFunction->GetEvents(), projectScopedContainers);
   }
@@ -287,7 +332,7 @@ void ProjectBrowserHelper::ExposeProjectFunctions(
   for (std::size_t e = 0; e < project.GetEventsFunctionsExtensionsCount();
        e++) {
     auto &eventsFunctionsExtension = project.GetEventsFunctionsExtension(e);
-    worker.Launch(eventsFunctionsExtension);
+    worker.Launch(eventsFunctionsExtension.GetEventsFunctions());
 
     for (auto &&eventsBasedBehavior :
          eventsFunctionsExtension.GetEventsBasedBehaviors()

Core/GDCore/IDE/ProjectBrowserHelper.h

@@ -19,6 +19,7 @@ class ArbitraryEventsFunctionsWorker;
 class ArbitraryObjectsWorker;
 class ArbitraryEventBasedBehaviorsWorker;
 class ArbitraryBehaviorSharedDataWorker;
+class VariablesContainer;
 } // namespace gd
 
 namespace gd {
@@ -56,6 +57,15 @@ public:
   ExposeProjectEventsWithoutExtensions(gd::Project &project,
                                        gd::ArbitraryEventsWorker &worker);
 
+  /**
+   * \brief Call the specified worker on all events of the project (layout and
+   * external events) but not events from extensions.
+   *
+   * Only use this for stats.
+   */
+  static void ExposeProjectEventsWithoutExtensions(
+      gd::Project &project, gd::ArbitraryEventsWorkerWithContext &worker);
+
   /**
    * \brief Call the specified worker on all events of a layout and
    * its external events.
@@ -127,6 +137,20 @@ public:
       const gd::EventsBasedBehavior &eventsBasedBehavior,
       gd::ArbitraryEventsWorkerWithContext &worker);
 
+  /**
+   * \brief Call the specified worker on all events of the event-based
+   * behavior.
+   *
+   * This should be the preferred way to traverse all the events of an
+   * event-based behavior.
+   */
+  static void ExposeEventsBasedBehaviorEvents(
+      gd::Project &project,
+      const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+      const gd::EventsBasedBehavior &eventsBasedBehavior,
+      gd::VariablesContainer &propertyVariablesContainer,
+      gd::ArbitraryEventsWorkerWithContext &worker);
+
   /**
    * \brief Call the specified worker on all events of the event-based
    * object.
@@ -152,6 +176,20 @@ public:
       const gd::EventsBasedObject &eventsBasedObject,
       gd::ArbitraryEventsWorkerWithContext &worker);
 
+  /**
+   * \brief Call the specified worker on all events of the event-based
+   * object.
+   *
+   * This should be the preferred way to traverse all the events of an
+   * event-based object.
+   */
+  static void ExposeEventsBasedObjectEvents(
+      gd::Project &project,
+      const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+      const gd::EventsBasedObject &eventsBasedObject,
+      gd::VariablesContainer &propertyVariablesContainer,
+      gd::ArbitraryEventsWorkerWithContext &worker);
+
   /**
    * \brief Call the specified worker on all ObjectContainers of the project
    * (global, layouts...)

Core/GDCore/IDE/ProjectStripper.cpp

@@ -63,7 +63,7 @@ void GD_CORE_API ProjectStripper::StripProjectForExport(gd::Project &project) {
       eventsBasedObject.GetPropertyDescriptors().GetInternalVector().clear();
     }
     extension.GetEventsBasedBehaviors().Clear();
-    extension.ClearEventsFunctions();
+    extension.GetEventsFunctions().ClearEventsFunctions();
   }
 }
 

Core/GDCore/IDE/PropertyFunctionGenerator.cpp

@@ -42,6 +42,9 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
     const gd::NamedPropertyDescriptor &property, const gd::String &objectType,
     bool isBehavior, bool isSharedProperties) {
   auto &propertyName = property.GetName();
+  const auto &primitiveType = gd::ValueTypeMetadata::GetPrimitiveValueType(
+      gd::ValueTypeMetadata::ConvertPropertyTypeToValueType(
+          property.GetType()));
   auto &functionsContainer = eventsBasedEntity.GetEventsFunctions();
   gd::String capitalizedName = CapitalizeFirstLetter(property.GetName());
   gd::String setterName = "Set" + capitalizedName;
@@ -59,9 +62,9 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
       property.GetLabel().empty() ? property.GetName() : property.GetLabel();
 
   gd::String descriptionSubject =
-      (property.GetType() == "Boolean" ? "if " : "the ") +
+      (primitiveType == "boolean" ? "if " : "the ") +
       UnCapitalizeFirstLetter(propertyLabel) +
-      (isSharedProperties || property.GetType() == "Boolean"
+      (isSharedProperties || primitiveType == "boolean"
            ? "."
            : " of the object.") +
       (property.GetDescription().empty() ? ""
@@ -71,19 +74,7 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
              "objects using the behavior."
            : "");
 
-  gd::String propertyGetterName =
-      (isSharedProperties ? "SharedProperty" : "Property") + property.GetName();
-  gd::String getterType =
-      gd::PlatformExtension::GetBehaviorEventsFunctionFullType(
-          extension.GetName(), eventsBasedEntity.GetName(), propertyGetterName);
-  gd::String setterType =
-      gd::PlatformExtension::GetBehaviorEventsFunctionFullType(
-          extension.GetName(), eventsBasedEntity.GetName(),
-          "Set" + propertyGetterName);
-
   gd::String getterName = capitalizedName;
-  gd::String numberOrString =
-      property.GetType() == "Number" ? "Number" : "String";
 
   if (!functionsContainer.HasEventsFunctionNamed(getterName)) {
     auto &getter = functionsContainer.InsertNewEventsFunction(
@@ -99,7 +90,7 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
         .SetName(legacyExpressionType)
         .SetExtraInfo(GetStringifiedExtraInfo(property));
     getter.SetFullName(propertyLabel).SetGroup(functionGroupName);
-    if (property.GetType() == "Boolean") {
+    if (primitiveType == "boolean") {
       getter.SetFunctionType(gd::EventsFunction::Condition)
           .SetDescription("Check " + descriptionSubject)
           .SetSentence("_PARAM0_ " + UnCapitalizeFirstLetter(propertyLabel));
@@ -112,13 +103,12 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
     auto &event =
         dynamic_cast<gd::StandardEvent &>(getter.GetEvents().InsertNewEvent(
             project, "BuiltinCommonInstructions::Standard", 0));
-    if (property.GetType() == "Boolean") {
+    if (primitiveType == "boolean") {
       gd::Instruction condition;
-      condition.SetType(getterType);
-      condition.AddParameter("Object");
-      if (isBehavior) {
-        condition.AddParameter("Behavior");
-      }
+      condition.SetType("BooleanVariable");
+      condition.AddParameter(propertyName);
+      condition.AddParameter("True");
+      condition.AddParameter("");
       event.GetConditions().Insert(condition, 0);
 
       gd::Instruction action;
@@ -127,6 +117,8 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
       event.GetActions().Insert(action, 0);
     } else {
       gd::Instruction action;
+      gd::String numberOrString =
+          primitiveType == "number" ? "Number" : "String";
       action.SetType("SetReturn" + numberOrString);
       action.AddParameter(property.GetName());
       event.GetActions().Insert(action, 0);
@@ -136,7 +128,7 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
   if (!functionsContainer.HasEventsFunctionNamed(setterName)) {
     auto &setter = functionsContainer.InsertNewEventsFunction(
         setterName, functionsContainer.GetEventsFunctionsCount());
-    if (property.GetType() == "Boolean") {
+    if (primitiveType == "boolean") {
       setter.SetFunctionType(gd::EventsFunction::Action)
           .SetFullName(propertyLabel)
           .SetGroup(functionGroupName)
@@ -177,26 +169,24 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
       setter.SetGetterName(getterName);
     }
 
-    if (property.GetType() == "Boolean") {
+    if (primitiveType == "boolean") {
       {
         auto &event =
             dynamic_cast<gd::StandardEvent &>(setter.GetEvents().InsertNewEvent(
                 project, "BuiltinCommonInstructions::Standard", 0));
 
         gd::Instruction condition;
-        condition.SetType("GetArgumentAsBoolean");
-        condition.AddParameter("\"Value\"");
+        condition.SetType("BooleanVariable");
+        condition.AddParameter("Value");
+        condition.AddParameter("True");
+        condition.AddParameter("");
         event.GetConditions().Insert(condition, 0);
 
         gd::Instruction action;
-        action.SetType(setterType);
-        action.AddParameter("Object");
-        if (isBehavior) {
-          action.AddParameter("Behavior");
-          action.AddParameter("yes");
-        } else {
-          action.AddParameter("yes");
-        }
+        action.SetType("SetBooleanVariable");
+        action.AddParameter(propertyName);
+        action.AddParameter("True");
+        action.AddParameter("");
         event.GetActions().Insert(action, 0);
       }
       {
@@ -205,20 +195,17 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
                 project, "BuiltinCommonInstructions::Standard", 0));
 
         gd::Instruction condition;
-        condition.SetType("GetArgumentAsBoolean");
-        condition.AddParameter("\"Value\"");
-        condition.SetInverted(true);
+        condition.SetType("BooleanVariable");
+        condition.AddParameter("Value");
+        condition.AddParameter("False");
+        condition.AddParameter("");
         event.GetConditions().Insert(condition, 0);
 
         gd::Instruction action;
-        action.SetType(setterType);
-        action.AddParameter("Object");
-        if (isBehavior) {
-          action.AddParameter("Behavior");
-          action.AddParameter("no");
-        } else {
-          action.AddParameter("no");
-        }
+        action.SetType("SetBooleanVariable");
+        action.AddParameter(propertyName);
+        action.AddParameter("False");
+        action.AddParameter("");
         event.GetActions().Insert(action, 0);
       }
     } else {
@@ -227,16 +214,11 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
               project, "BuiltinCommonInstructions::Standard", 0));
 
       gd::Instruction action;
-      action.SetType(setterType);
-      action.AddParameter("Object");
-      if (isBehavior) {
-        action.AddParameter("Behavior");
-        action.AddParameter("=");
-        action.AddParameter("Value");
-      } else {
-        action.AddParameter("=");
-        action.AddParameter("Value");
-      }
+      action.SetType(primitiveType == "number" ? "SetNumberVariable"
+                                               : "SetStringVariable");
+      action.AddParameter(propertyName);
+      action.AddParameter("=");
+      action.AddParameter("Value");
       event.GetActions().Insert(action, 0);
     }
   }
@@ -245,9 +227,11 @@ void PropertyFunctionGenerator::GenerateGetterAndSetter(
 bool PropertyFunctionGenerator::CanGenerateGetterAndSetter(
     const gd::AbstractEventsBasedEntity &eventsBasedEntity,
     const gd::NamedPropertyDescriptor &property) {
-  auto &type = property.GetType();
-  if (type != "Boolean" && type != "Number" && type != "String" &&
-      type != "Choice" && type != "Color" && type != "LeaderboardId") {
+  const auto &primitiveType = gd::ValueTypeMetadata::GetPrimitiveValueType(
+      gd::ValueTypeMetadata::ConvertPropertyTypeToValueType(
+          property.GetType()));
+  if (primitiveType != "boolean" && primitiveType != "number" &&
+      primitiveType != "string") {
     return false;
   }
 

Core/GDCore/IDE/PropertyFunctionGenerator.h

@@ -3,8 +3,7 @@
  * Copyright 2008-2022 Florian Rival (Florian.Rival@gmail.com). All rights
  * reserved. This project is released under the MIT License.
  */
-#ifndef GDCORE_PROPERTYFUNCTIONGENERATOR_H
-#define GDCORE_PROPERTYFUNCTIONGENERATOR_H
+#pragma once
 
 namespace gd {
 class String;
@@ -73,5 +72,3 @@ class GD_CORE_API PropertyFunctionGenerator {
 };
 
 }  // namespace gd
-
-#endif  // GDCORE_PROPERTYFUNCTIONGENERATOR_H

Core/GDCore/IDE/WholeProjectRefactorer.cpp

@@ -600,7 +600,8 @@ void WholeProjectRefactorer::RenameEventsFunctionsExtension(
   // instructions after they are renamed.
 
   // Free expressions
-  for (auto &&eventsFunction : eventsFunctionsExtension.GetInternalVector()) {
+  for (auto &&eventsFunction :
+       eventsFunctionsExtension.GetEventsFunctions().GetInternalVector()) {
     if (eventsFunction->IsExpression()) {
       renameEventsFunction(*eventsFunction);
     }
@@ -617,7 +618,8 @@ void WholeProjectRefactorer::RenameEventsFunctionsExtension(
   }
 
   // Free instructions
-  for (auto &&eventsFunction : eventsFunctionsExtension.GetInternalVector()) {
+  for (auto &&eventsFunction :
+       eventsFunctionsExtension.GetEventsFunctions().GetInternalVector()) {
     if (eventsFunction->IsAction() || eventsFunction->IsCondition()) {
       renameEventsFunction(*eventsFunction);
     }
@@ -697,11 +699,12 @@ void WholeProjectRefactorer::RenameEventsFunction(
     gd::Project &project,
     const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     const gd::String &oldFunctionName, const gd::String &newFunctionName) {
-  if (!eventsFunctionsExtension.HasEventsFunctionNamed(oldFunctionName))
+  const auto &eventsFunctions = eventsFunctionsExtension.GetEventsFunctions();
+  if (!eventsFunctions.HasEventsFunctionNamed(oldFunctionName))
     return;
 
   const gd::EventsFunction &eventsFunction =
-      eventsFunctionsExtension.GetEventsFunction(oldFunctionName);
+      eventsFunctions.GetEventsFunction(oldFunctionName);
 
   const WholeProjectBrowser wholeProjectExposer;
   DoRenameEventsFunction(
@@ -714,7 +717,7 @@ void WholeProjectRefactorer::RenameEventsFunction(
 
   if (eventsFunction.GetFunctionType() ==
       gd::EventsFunction::ExpressionAndCondition) {
-    for (auto &&otherFunction : eventsFunctionsExtension.GetInternalVector()) {
+    for (auto &&otherFunction : eventsFunctions.GetInternalVector()) {
       if (otherFunction->GetFunctionType() ==
               gd::EventsFunction::ActionWithOperator &&
           otherFunction->GetGetterName() == oldFunctionName) {
@@ -862,16 +865,34 @@ void WholeProjectRefactorer::RenameParameter(
   }
 }
 
+void WholeProjectRefactorer::ChangeParameterType(
+    gd::Project &project, gd::ProjectScopedContainers &projectScopedContainers,
+    gd::EventsFunction &eventsFunction,
+    const gd::ObjectsContainer &parameterObjectsContainer,
+    const gd::String &parameterName) {
+  std::unordered_set<gd::String> typeChangedPropertyNames;
+  typeChangedPropertyNames.insert(parameterName);
+  gd::VariablesContainer propertyVariablesContainer(
+      gd::VariablesContainer::SourceType::Properties);
+  gd::EventsVariableInstructionTypeSwitcher
+      eventsVariableInstructionTypeSwitcher(project.GetCurrentPlatform(),
+                                            typeChangedPropertyNames,
+                                            propertyVariablesContainer);
+  eventsVariableInstructionTypeSwitcher.Launch(eventsFunction.GetEvents(),
+                                               projectScopedContainers);
+}
+
 void WholeProjectRefactorer::MoveEventsFunctionParameter(
     gd::Project &project,
     const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     const gd::String &functionName, std::size_t oldIndex,
     std::size_t newIndex) {
-  if (!eventsFunctionsExtension.HasEventsFunctionNamed(functionName))
+  const auto &eventsFunctions = eventsFunctionsExtension.GetEventsFunctions();
+  if (!eventsFunctions.HasEventsFunctionNamed(functionName))
     return;
 
   const gd::EventsFunction &eventsFunction =
-      eventsFunctionsExtension.GetEventsFunction(functionName);
+      eventsFunctions.GetEventsFunction(functionName);
 
   const gd::String &eventsFunctionType =
       gd::PlatformExtension::GetEventsFunctionFullType(
@@ -1175,6 +1196,42 @@ void WholeProjectRefactorer::RenameEventsBasedObjectProperty(
   gd::ProjectBrowserHelper::ExposeProjectEvents(project, conditionRenamer);
 }
 
+void WholeProjectRefactorer::ChangeEventsBasedBehaviorPropertyType(
+    gd::Project &project,
+    const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+    const gd::EventsBasedBehavior &eventsBasedBehavior,
+    const gd::String &propertyName) {
+  std::unordered_set<gd::String> typeChangedPropertyNames;
+  typeChangedPropertyNames.insert(propertyName);
+  gd::VariablesContainer propertyVariablesContainer(
+      gd::VariablesContainer::SourceType::Properties);
+  gd::EventsVariableInstructionTypeSwitcher
+      eventsVariableInstructionTypeSwitcher(project.GetCurrentPlatform(),
+                                            typeChangedPropertyNames,
+                                            propertyVariablesContainer);
+  gd::ProjectBrowserHelper::ExposeEventsBasedBehaviorEvents(
+      project, eventsFunctionsExtension, eventsBasedBehavior,
+      propertyVariablesContainer, eventsVariableInstructionTypeSwitcher);
+}
+
+void WholeProjectRefactorer::ChangeEventsBasedObjectPropertyType(
+    gd::Project &project,
+    const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+    const gd::EventsBasedObject &eventsBasedObject,
+    const gd::String &propertyName) {
+  std::unordered_set<gd::String> typeChangedPropertyNames;
+  typeChangedPropertyNames.insert(propertyName);
+  gd::VariablesContainer propertyVariablesContainer(
+      gd::VariablesContainer::SourceType::Properties);
+  gd::EventsVariableInstructionTypeSwitcher
+      eventsVariableInstructionTypeSwitcher(project.GetCurrentPlatform(),
+                                            typeChangedPropertyNames,
+                                            propertyVariablesContainer);
+  gd::ProjectBrowserHelper::ExposeEventsBasedObjectEvents(
+      project, eventsFunctionsExtension, eventsBasedObject,
+      propertyVariablesContainer, eventsVariableInstructionTypeSwitcher);
+}
+
 void WholeProjectRefactorer::AddBehaviorAndRequiredBehaviors(
     gd::Project &project, gd::Object &object, const gd::String &behaviorType,
     const gd::String &behaviorName) {

Core/GDCore/IDE/WholeProjectRefactorer.h

@@ -191,6 +191,16 @@ class GD_CORE_API WholeProjectRefactorer {
                   const gd::String &oldParameterName,
                   const gd::String &newParameterName);
 
+  /**
+   * \brief Refactor the function **after** a parameter has changed of type.
+   */
+  static void
+  ChangeParameterType(gd::Project &project,
+                      gd::ProjectScopedContainers &projectScopedContainers,
+                      gd::EventsFunction &eventsFunction,
+                      const gd::ObjectsContainer &parameterObjectsContainer,
+                      const gd::String &parameterName);
+
   /**
    * \brief Refactor the project **before** an events function parameter
    * is moved.
@@ -283,6 +293,26 @@ class GD_CORE_API WholeProjectRefactorer {
       const gd::String& oldPropertyName,
       const gd::String& newPropertyName);
 
+  /**
+   * \brief Refactor the project **after** a property of a behavior has
+   * changed of type.
+   */
+  static void ChangeEventsBasedBehaviorPropertyType(
+      gd::Project &project,
+      const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+      const gd::EventsBasedBehavior &eventsBasedBehavior,
+      const gd::String &propertyName);
+
+  /**
+   * \brief Refactor the project **after** a property of an object has
+   * changed of type.
+   */
+  static void ChangeEventsBasedObjectPropertyType(
+      gd::Project &project,
+      const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+      const gd::EventsBasedObject &eventsBasedObject,
+      const gd::String &propertyName);
+
   /**
    * \brief Add a behavior to an object and add required behaviors if necessary
    * to fill every behavior properties of the added behaviors.

Core/GDCore/Project/CustomConfigurationHelper.cpp

@@ -22,15 +22,17 @@ void CustomConfigurationHelper::InitializeContent(
     gd::SerializerElement &configurationContent) {
   for (auto &&property : properties.GetInternalVector()) {
     auto &element = configurationContent.AddChild(property->GetName());
-    auto propertyType = property->GetType();
 
-    if (propertyType == "String" || propertyType == "Choice" ||
-        propertyType == "Color" || propertyType == "Behavior" ||
-        propertyType == "Resource" || propertyType == "LeaderboardId") {
+    const auto &valueType =
+        gd::ValueTypeMetadata::ConvertPropertyTypeToValueType(
+            property->GetType());
+    const auto &primitiveType =
+        gd::ValueTypeMetadata::GetPrimitiveValueType(valueType);
+    if (primitiveType == "string" || valueType == "behavior") {
       element.SetStringValue(property->GetValue());
-    } else if (propertyType == "Number") {
+    } else if (primitiveType == "number") {
       element.SetDoubleValue(property->GetValue().To<double>());
-    } else if (propertyType == "Boolean") {
+    } else if (primitiveType == "boolean") {
       element.SetBoolValue(property->GetValue() == "true");
     }
   }
@@ -43,23 +45,25 @@ std::map<gd::String, gd::PropertyDescriptor> CustomConfigurationHelper::GetPrope
 
   for (auto &property : properties.GetInternalVector()) {
     const auto &propertyName = property->GetName();
-    const auto &propertyType = property->GetType();
 
     // Copy the property
     objectProperties[propertyName] = *property;
 
     auto &newProperty = objectProperties[propertyName];
 
+    const auto &valueType =
+        gd::ValueTypeMetadata::ConvertPropertyTypeToValueType(
+            property->GetType());
+    const auto &primitiveType =
+        gd::ValueTypeMetadata::GetPrimitiveValueType(valueType);
     if (configurationContent.HasChild(propertyName)) {
-      if (propertyType == "String" || propertyType == "Choice" ||
-          propertyType == "Color" || propertyType == "Behavior" ||
-          propertyType == "Resource" || propertyType == "LeaderboardId") {
+      if (primitiveType == "string" || valueType == "behavior") {
         newProperty.SetValue(
             configurationContent.GetChild(propertyName).GetStringValue());
-      } else if (propertyType == "Number") {
+      } else if (primitiveType == "number") {
         newProperty.SetValue(gd::String::From(
             configurationContent.GetChild(propertyName).GetDoubleValue()));
-      } else if (propertyType == "Boolean") {
+      } else if (primitiveType == "boolean") {
         newProperty.SetValue(
             configurationContent.GetChild(propertyName).GetBoolValue()
                 ? "true"
@@ -85,15 +89,16 @@ bool CustomConfigurationHelper::UpdateProperty(
   const auto &property = properties.Get(propertyName);
 
   auto &element = configurationContent.AddChild(propertyName);
-  const gd::String &propertyType = property.GetType();
 
-  if (propertyType == "String" || propertyType == "Choice" ||
-      propertyType == "Color" || propertyType == "Behavior" ||
-      propertyType == "Resource" || propertyType == "LeaderboardId") {
+  const auto &valueType =
+      gd::ValueTypeMetadata::ConvertPropertyTypeToValueType(property.GetType());
+  const auto &primitiveType =
+      gd::ValueTypeMetadata::GetPrimitiveValueType(valueType);
+  if (primitiveType == "string" || valueType == "behavior") {
     element.SetStringValue(newValue);
-  } else if (propertyType == "Number") {
+  } else if (primitiveType == "number") {
     element.SetDoubleValue(newValue.To<double>());
-  } else if (propertyType == "Boolean") {
+  } else if (primitiveType == "boolean") {
     element.SetBoolValue(newValue == "1");
   }
 

Core/GDCore/Project/EventsFunctionsContainer.h

@@ -33,6 +33,20 @@ public:
 
   EventsFunctionsContainer(FunctionOwner source_) : owner(source_) {}
 
+  EventsFunctionsContainer(const EventsFunctionsContainer &other)
+      : owner(other.owner) {
+    Init(other);
+  }
+
+  EventsFunctionsContainer &operator=(const EventsFunctionsContainer &other) {
+    if (this != &other) {
+      owner = other.owner;
+      Init(other);
+    }
+
+    return *this;
+  }
+
   /**
    * \brief Get the source of the function container.
    * 

Core/GDCore/Project/EventsFunctionsExtension.cpp

@@ -15,14 +15,13 @@
 namespace gd {
 
 EventsFunctionsExtension::EventsFunctionsExtension() :
-    gd::EventsFunctionsContainer(
-        gd::EventsFunctionsContainer::FunctionOwner::Extension),
+      eventsFunctionsContainer(gd::EventsFunctionsContainer::FunctionOwner::Extension),
       globalVariables(gd::VariablesContainer::SourceType::ExtensionGlobal),
       sceneVariables(gd::VariablesContainer::SourceType::ExtensionScene) {}
 
 EventsFunctionsExtension::EventsFunctionsExtension(
     const EventsFunctionsExtension& other) :
-    gd::EventsFunctionsContainer(
+    eventsFunctionsContainer(
         gd::EventsFunctionsContainer::FunctionOwner::Extension) {
   Init(other);
 }
@@ -48,7 +47,8 @@ void EventsFunctionsExtension::Init(const gd::EventsFunctionsExtension& other) {
   previewIconUrl = other.previewIconUrl;
   iconUrl = other.iconUrl;
   helpPath = other.helpPath;
-  EventsFunctionsContainer::Init(other);
+  gdevelopVersion = other.gdevelopVersion;
+  eventsFunctionsContainer = other.eventsFunctionsContainer;
   eventsBasedBehaviors = other.eventsBasedBehaviors;
   eventsBasedObjects = other.eventsBasedObjects;
   globalVariables = other.GetGlobalVariables();
@@ -82,6 +82,7 @@ void EventsFunctionsExtension::SerializeTo(SerializerElement& element) const {
   element.SetAttribute("previewIconUrl", previewIconUrl);
   element.SetAttribute("iconUrl", iconUrl);
   element.SetAttribute("helpPath", helpPath);
+  element.SetAttribute("gdevelopVersion", gdevelopVersion);
   auto& dependenciesElement = element.AddChild("dependencies");
   dependenciesElement.ConsiderAsArray();
   for (auto& dependency : dependencies)
@@ -97,7 +98,8 @@ void EventsFunctionsExtension::SerializeTo(SerializerElement& element) const {
   GetGlobalVariables().SerializeTo(element.AddChild("globalVariables"));
   GetSceneVariables().SerializeTo(element.AddChild("sceneVariables"));
 
-  SerializeEventsFunctionsTo(element.AddChild("eventsFunctions"));
+  eventsFunctionsContainer.SerializeEventsFunctionsTo(
+      element.AddChild("eventsFunctions"));
   eventsBasedBehaviors.SerializeElementsTo(
       "eventsBasedBehavior", element.AddChild("eventsBasedBehaviors"));
   eventsBasedObjects.SerializeElementsTo(
@@ -126,6 +128,7 @@ void EventsFunctionsExtension::UnserializeExtensionDeclarationFrom(
   previewIconUrl = element.GetStringAttribute("previewIconUrl");
   iconUrl = element.GetStringAttribute("iconUrl");
   helpPath = element.GetStringAttribute("helpPath");
+  gdevelopVersion = element.GetStringAttribute("gdevelopVersion");
 
   if (element.HasChild("origin")) {
     gd::String originName =
@@ -205,7 +208,8 @@ void EventsFunctionsExtension::UnserializeExtensionDeclarationFrom(
 void EventsFunctionsExtension::UnserializeExtensionImplementationFrom(
     gd::Project& project,
     const SerializerElement& element) {
-  UnserializeEventsFunctionsFrom(project, element.GetChild("eventsFunctions"));
+  eventsFunctionsContainer.UnserializeEventsFunctionsFrom(
+      project, element.GetChild("eventsFunctions"));
   eventsBasedBehaviors.UnserializeElementsFrom(
       "eventsBasedBehavior", project, element.GetChild("eventsBasedBehaviors"));
 

Core/GDCore/Project/EventsFunctionsExtension.h

@@ -36,7 +36,7 @@ namespace gd {
  *
  * \ingroup PlatformDefinition
  */
-class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
+class GD_CORE_API EventsFunctionsExtension {
  public:
   EventsFunctionsExtension();
   EventsFunctionsExtension(const EventsFunctionsExtension&);
@@ -134,6 +134,19 @@ class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
     return *this;
   }
 
+  /**
+   * \brief Get the GDevelop version required by this extension.
+   */
+  const gd::String& GetGDevelopVersion() const { return gdevelopVersion; };
+
+  /**
+   * \brief Set the GDevelop version required by this extension.
+   */
+  EventsFunctionsExtension& SetGDevelopVersion(const gd::String& gdevelopVersion_) {
+    gdevelopVersion = gdevelopVersion_;
+    return *this;
+  }
+
   /**
    * \brief Return a reference to the list of the events based behaviors.
    */
@@ -181,6 +194,21 @@ class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
     return originIdentifier;
   }
 
+  /**
+   * \brief Return a reference to the functions of the events based behavior or object.
+   */
+  EventsFunctionsContainer& GetEventsFunctions() {
+    return eventsFunctionsContainer;
+  }
+
+  /**
+   * \brief Return a const reference to the functions of the events based
+   * behavior or object.
+   */
+  const EventsFunctionsContainer& GetEventsFunctions() const {
+    return eventsFunctionsContainer;
+  }
+
   /** \name Dependencies
    */
   ///@{
@@ -370,11 +398,13 @@ class GD_CORE_API EventsFunctionsExtension : public EventsFunctionsContainer {
   gd::String iconUrl;
   gd::String helpPath;  ///< The relative path to the help for this extension in
                         ///< the documentation (or an absolute URL).
+  gd::String gdevelopVersion;
   gd::SerializableWithNameList<EventsBasedBehavior> eventsBasedBehaviors;
   gd::SerializableWithNameList<EventsBasedObject> eventsBasedObjects;
   std::vector<gd::DependencyMetadata> dependencies;
   std::vector<gd::SourceFileMetadata> sourceFiles;
 
+  gd::EventsFunctionsContainer eventsFunctionsContainer;
   gd::VariablesContainer globalVariables;
   gd::VariablesContainer sceneVariables;
 };

Core/GDCore/Project/ObjectFolderOrObject.cpp

@@ -137,6 +137,15 @@ void ObjectFolderOrObject::RemoveRecursivelyObjectNamed(
   }
 };
 
+void ObjectFolderOrObject::Clear() {
+  if (IsFolder()) {
+    for (auto& it : children) {
+      it->Clear();
+    }
+    children.clear();
+  }
+};
+
 bool ObjectFolderOrObject::IsADescendantOf(
     const ObjectFolderOrObject& otherObjectFolderOrObject) {
   if (parent == nullptr) return false;

Core/GDCore/Project/ObjectFolderOrObject.h

@@ -134,6 +134,10 @@ class GD_CORE_API ObjectFolderOrObject {
    * the instance children and recursively does it for every folder children.
    */
   void RemoveRecursivelyObjectNamed(const gd::String& name);
+  /**
+   * \brief Clears all children
+   */
+  void Clear();
 
   /**
    * \brief Inserts an instance representing the given object at the given

Core/GDCore/Project/ObjectTools.cpp

@@ -0,0 +1,57 @@
+/*
+ * GDevelop Core
+ * Copyright 2008-2025 Florian Rival (Florian.Rival@gmail.com). All rights
+ * reserved. This project is released under the MIT License.
+ */
+#include "ObjectTools.h"
+
+#include "GDCore/Extensions/Metadata/BehaviorMetadata.h"
+#include "GDCore/Extensions/Metadata/ObjectMetadata.h"
+#include "GDCore/Extensions/Metadata/MetadataProvider.h"
+#include "GDCore/Extensions/Platform.h"
+
+namespace gd {
+
+bool ObjectTools::IsBehaviorCompatibleWithObject(
+      const gd::Platform &platform, const gd::String &objectType,
+      const gd::String &behaviorType,
+      std::unordered_set<gd::String> coveredBehaviorType) {
+  bool isBehaviorTypeAlreadyCovered =
+      !coveredBehaviorType.insert(behaviorType).second;
+  if (isBehaviorTypeAlreadyCovered) {
+    return true;
+  }
+  const gd::BehaviorMetadata &behaviorMetadata =
+      MetadataProvider::GetBehaviorMetadata(platform, behaviorType);
+  if (MetadataProvider::IsBadBehaviorMetadata(behaviorMetadata)) {
+    // Should not happen because the behavior was added successfully (so its
+    // metadata are valid) - but double check anyway and bail out if the
+    // behavior metadata are invalid.
+    return false;
+  }
+  if (!behaviorMetadata.GetObjectType().empty() &&
+      behaviorMetadata.GetObjectType() != objectType) {
+    return false;
+  }
+  for (const gd::String &requiredBehaviorType :
+       behaviorMetadata.GetRequiredBehaviorTypes()) {
+    const gd::BehaviorMetadata &requiredBehaviorMetadata =
+        gd::MetadataProvider::GetBehaviorMetadata(platform, requiredBehaviorType);
+    if (requiredBehaviorMetadata.IsHidden()) {
+      const gd::ObjectMetadata &objectMetadata =
+          gd::MetadataProvider::GetObjectMetadata(platform, objectType);
+      if (objectMetadata.GetDefaultBehaviors().find(requiredBehaviorType) ==
+          objectMetadata.GetDefaultBehaviors().end()) {
+        // A capability is missing in the object.
+        return false;
+      }
+    }
+    if (!gd::ObjectTools::IsBehaviorCompatibleWithObject(
+            platform, objectType, requiredBehaviorType, coveredBehaviorType)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+} // namespace gd

Core/GDCore/Project/ObjectTools.h

@@ -0,0 +1,35 @@
+/*
+ * GDevelop Core
+ * Copyright 2008-2025 Florian Rival (Florian.Rival@gmail.com). All rights
+ * reserved. This project is released under the MIT License.
+ */
+#pragma once
+
+#include "GDCore/String.h"
+#include <unordered_set>
+
+namespace gd {
+class Platform;
+class Object;
+} // namespace gd
+
+namespace gd {
+
+class GD_CORE_API ObjectTools {
+public:
+  static bool IsBehaviorCompatibleWithObject(const gd::Platform &platform,
+                                             const gd::String &objectType,
+                                             const gd::String &behaviorType) {
+    std::unordered_set<gd::String> coveredBehaviorType;
+    return IsBehaviorCompatibleWithObject(platform, objectType, behaviorType,
+                                   coveredBehaviorType);
+  }
+
+private:
+  static bool IsBehaviorCompatibleWithObject(
+      const gd::Platform &platform, const gd::String &objectType,
+      const gd::String &behaviorType,
+      std::unordered_set<gd::String> coveredBehaviorType);
+};
+
+} // namespace gd

Core/GDCore/Project/ObjectsContainer.cpp

@@ -7,12 +7,12 @@
 
 #include <algorithm>
 
-#include "GDCore/Tools/PolymorphicClone.h"
 #include "GDCore/Extensions/Platform.h"
 #include "GDCore/Project/Object.h"
 #include "GDCore/Project/ObjectFolderOrObject.h"
 #include "GDCore/Project/Project.h"
 #include "GDCore/Serialization/SerializerElement.h"
+#include "GDCore/Tools/PolymorphicClone.h"
 
 namespace gd {
 
@@ -28,8 +28,7 @@ ObjectsContainer::ObjectsContainer(const ObjectsContainer& other) {
   Init(other);
 }
 
-ObjectsContainer& ObjectsContainer::operator=(
-    const ObjectsContainer& other) {
+ObjectsContainer& ObjectsContainer::operator=(const ObjectsContainer& other) {
   if (this != &other) Init(other);
 
   return *this;
@@ -69,7 +68,7 @@ void ObjectsContainer::AddMissingObjectsInRootFolder() {
 
 void ObjectsContainer::UnserializeObjectsFrom(
     gd::Project& project, const SerializerElement& element) {
-  initialObjects.clear();
+  Clear();
   element.ConsiderAsArrayOf("object", "Objet");
   for (std::size_t i = 0; i < element.GetChildrenCount(); ++i) {
     const SerializerElement& objectElement = element.GetChild(i);
@@ -184,6 +183,11 @@ void ObjectsContainer::RemoveObject(const gd::String& name) {
   initialObjects.erase(objectIt);
 }
 
+void ObjectsContainer::Clear() {
+  rootFolder->Clear();
+  initialObjects.clear();
+}
+
 void ObjectsContainer::MoveObjectFolderOrObjectToAnotherContainerInFolder(
     gd::ObjectFolderOrObject& objectFolderOrObject,
     gd::ObjectsContainer& newContainer,

Core/GDCore/Project/ObjectsContainer.h

@@ -166,6 +166,11 @@ class GD_CORE_API ObjectsContainer {
       gd::ObjectFolderOrObject& newParentFolder,
       std::size_t newPosition);
 
+  /**
+   * \brief Clear all groups of the container.
+   */
+  void Clear();
+
   /**
    * Provide a raw access to the vector containing the objects
    */

Core/GDCore/Project/ProjectScopedContainers.cpp

@@ -70,24 +70,29 @@ ProjectScopedContainers::MakeNewProjectScopedContainersForEventsFunctionsExtensi
 
 ProjectScopedContainers
 ProjectScopedContainers::MakeNewProjectScopedContainersForFreeEventsFunction(
-    const gd::Project &project, const gd::EventsFunctionsExtension &eventsFunctionsExtension,
+    const gd::Project &project,
+    const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     const gd::EventsFunction &eventsFunction,
-    gd::ObjectsContainer &parameterObjectsContainer) {
+    gd::ObjectsContainer &parameterObjectsContainer,
+    gd::VariablesContainer &parameterVariablesContainer) {
 
   gd::EventsFunctionTools::FreeEventsFunctionToObjectsContainer(
-      project, eventsFunctionsExtension, eventsFunction, parameterObjectsContainer);
+      project, eventsFunctionsExtension.GetEventsFunctions(), eventsFunction,
+      parameterObjectsContainer);
 
   ProjectScopedContainers projectScopedContainers(
       ObjectsContainersList::MakeNewObjectsContainersListForContainer(
           parameterObjectsContainer),
       VariablesContainersList::
-          MakeNewVariablesContainersListForEventsFunctionsExtension(eventsFunctionsExtension),
+          MakeNewVariablesContainersListForFreeEventsFunction(
+              eventsFunctionsExtension, eventsFunction,
+              parameterVariablesContainer),
       &eventsFunctionsExtension.GetGlobalVariables(),
       &eventsFunctionsExtension.GetSceneVariables(),
       PropertiesContainersList::MakeNewEmptyPropertiesContainersList());
 
-  projectScopedContainers.AddParameters(
-      eventsFunction.GetParametersForEvents(eventsFunctionsExtension));
+  projectScopedContainers.AddParameters(eventsFunction.GetParametersForEvents(
+      eventsFunctionsExtension.GetEventsFunctions()));
 
   return projectScopedContainers;
 };
@@ -97,7 +102,9 @@ ProjectScopedContainers::MakeNewProjectScopedContainersForBehaviorEventsFunction
     const gd::Project &project, const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     const gd::EventsBasedBehavior& eventsBasedBehavior,
     const gd::EventsFunction &eventsFunction,
-    gd::ObjectsContainer &parameterObjectsContainer) {
+    gd::ObjectsContainer &parameterObjectsContainer,
+    gd::VariablesContainer &parameterVariablesContainer,
+    gd::VariablesContainer &propertyVariablesContainer) {
 
   gd::EventsFunctionTools::BehaviorEventsFunctionToObjectsContainer(
       project,
@@ -109,7 +116,9 @@ ProjectScopedContainers::MakeNewProjectScopedContainersForBehaviorEventsFunction
       ObjectsContainersList::MakeNewObjectsContainersListForContainer(
           parameterObjectsContainer),
       VariablesContainersList::
-          MakeNewVariablesContainersListForEventsFunctionsExtension(eventsFunctionsExtension),
+          MakeNewVariablesContainersListForBehaviorEventsFunction(
+              eventsFunctionsExtension, eventsBasedBehavior, eventsFunction,
+              parameterVariablesContainer, propertyVariablesContainer),
       &eventsFunctionsExtension.GetGlobalVariables(),
       &eventsFunctionsExtension.GetSceneVariables(),
       PropertiesContainersList::MakeNewEmptyPropertiesContainersList());
@@ -130,7 +139,9 @@ ProjectScopedContainers::MakeNewProjectScopedContainersForObjectEventsFunction(
     const gd::EventsFunctionsExtension &eventsFunctionsExtension,
     const gd::EventsBasedObject &eventsBasedObject,
     const gd::EventsFunction &eventsFunction,
-    gd::ObjectsContainer &parameterObjectsContainer) {
+    gd::ObjectsContainer &parameterObjectsContainer,
+    gd::VariablesContainer &parameterVariablesContainer,
+    gd::VariablesContainer &propertyVariablesContainer) {
 
   gd::EventsFunctionTools::ObjectEventsFunctionToObjectsContainer(
       project, eventsBasedObject, eventsFunction, parameterObjectsContainer);
@@ -140,8 +151,9 @@ ProjectScopedContainers::MakeNewProjectScopedContainersForObjectEventsFunction(
           eventsBasedObject.GetObjects(),
           parameterObjectsContainer),
       VariablesContainersList::
-          MakeNewVariablesContainersListForEventsFunctionsExtension(
-              eventsFunctionsExtension),
+          MakeNewVariablesContainersListForObjectEventsFunction(
+              eventsFunctionsExtension, eventsBasedObject, eventsFunction,
+              parameterVariablesContainer, propertyVariablesContainer),
       &eventsFunctionsExtension.GetGlobalVariables(),
       &eventsFunctionsExtension.GetSceneVariables(),
       PropertiesContainersList::MakeNewEmptyPropertiesContainersList());
@@ -166,7 +178,7 @@ ProjectScopedContainers::MakeNewProjectScopedContainersForEventsBasedObject(
   // created below.
   // Search for "ProjectScopedContainers wrongly containing temporary objects containers or objects"
   // in the codebase.
-  outputObjectsContainer.GetObjects().clear();
+  outputObjectsContainer.Clear();
   outputObjectsContainer.GetObjectGroups().Clear();
 
   // This object named "Object" represents the parent and is used by events.

Core/GDCore/Project/ProjectScopedContainers.h

@@ -69,8 +69,9 @@ class ProjectScopedContainers {
   MakeNewProjectScopedContainersForFreeEventsFunction(
       const gd::Project &project,
       const gd::EventsFunctionsExtension &eventsFunctionsExtension,
-      const gd::EventsFunction& eventsFunction,
-      gd::ObjectsContainer& parameterObjectsContainer);
+      const gd::EventsFunction &eventsFunction,
+      gd::ObjectsContainer &parameterObjectsContainer,
+      gd::VariablesContainer &parameterVariablesContainer);
 
   static ProjectScopedContainers
   MakeNewProjectScopedContainersForBehaviorEventsFunction(
@@ -78,7 +79,9 @@ class ProjectScopedContainers {
       const gd::EventsFunctionsExtension &eventsFunctionsExtension,
       const gd::EventsBasedBehavior &eventsBasedBehavior,
       const gd::EventsFunction &eventsFunction,
-      gd::ObjectsContainer &parameterObjectsContainer);
+      gd::ObjectsContainer &parameterObjectsContainer,
+      gd::VariablesContainer &parameterVariablesContainer,
+      gd::VariablesContainer &propertyVariablesContainer);
 
   static ProjectScopedContainers
   MakeNewProjectScopedContainersForObjectEventsFunction(
@@ -86,7 +89,9 @@ class ProjectScopedContainers {
       const gd::EventsFunctionsExtension &eventsFunctionsExtension,
       const gd::EventsBasedObject &eventsBasedObject,
       const gd::EventsFunction &eventsFunction,
-      gd::ObjectsContainer &parameterObjectsContainer);
+      gd::ObjectsContainer &parameterObjectsContainer,
+      gd::VariablesContainer &parameterVariablesContainer,
+    gd::VariablesContainer &propertyVariablesContainer);
 
   static ProjectScopedContainers
   MakeNewProjectScopedContainersForEventsBasedObject(
@@ -124,9 +129,17 @@ class ProjectScopedContainers {
       std::function<ReturnType()> notFoundCallback) const {
     if (objectsContainersList.HasObjectOrGroupNamed(name))
       return objectCallback();
-    else if (variablesContainersList.Has(name))
+    else if (variablesContainersList.Has(name)) {
+      const auto &variablesContainer =
+          variablesContainersList.GetVariablesContainerFromVariableOrPropertyOrParameterName(name);
+      const auto sourceType = variablesContainer.GetSourceType();
+      if (sourceType == gd::VariablesContainer::SourceType::Properties) {
+        return propertyCallback();
+      } else if (sourceType == gd::VariablesContainer::SourceType::Parameters) {
+        return parameterCallback();
+      }
       return variableCallback();
-    else if (ParameterMetadataTools::Has(parametersVectorsList, name))
+    } else if (ParameterMetadataTools::Has(parametersVectorsList, name))
       return parameterCallback();
     else if (propertiesContainersList.Has(name))
       return propertyCallback();

Core/GDCore/Project/VariablesContainer.h

@@ -34,7 +34,9 @@ class GD_CORE_API VariablesContainer {
       Object,
       Local,
       ExtensionGlobal,
-      ExtensionScene
+      ExtensionScene,
+      Parameters,
+      Properties,
   };
 
   VariablesContainer();

Core/GDCore/Project/VariablesContainersList.cpp

@@ -6,6 +6,7 @@
 #include "GDCore/Project/Project.h"
 #include "GDCore/Project/Variable.h"
 #include "GDCore/Project/EventsFunctionsExtension.h"
+#include "GDCore/IDE/EventsFunctionTools.h"
 
 namespace gd {
 
@@ -41,6 +42,78 @@ VariablesContainersList::MakeNewVariablesContainersListForEventsFunctionsExtensi
   return variablesContainersList;
 }
 
+VariablesContainersList
+VariablesContainersList::MakeNewVariablesContainersListForFreeEventsFunction(
+    const gd::EventsFunctionsExtension &extension,
+    const gd::EventsFunction &eventsFunction,
+    gd::VariablesContainer &parameterVariablesContainer) {
+  VariablesContainersList variablesContainersList;
+  variablesContainersList.Push(extension.GetGlobalVariables());
+  variablesContainersList.Push(extension.GetSceneVariables());
+
+  gd::EventsFunctionTools::ParametersToVariablesContainer(
+      eventsFunction.GetParametersForEvents(extension.GetEventsFunctions()),
+      parameterVariablesContainer);
+  variablesContainersList.Push(parameterVariablesContainer);
+
+  variablesContainersList.firstLocalVariableContainerIndex = 3;
+  return variablesContainersList;
+}
+
+VariablesContainersList VariablesContainersList::
+    MakeNewVariablesContainersListForBehaviorEventsFunction(
+        const gd::EventsFunctionsExtension &extension,
+        const gd::EventsBasedBehavior &eventsBasedBehavior,
+        const gd::EventsFunction &eventsFunction,
+        gd::VariablesContainer &parameterVariablesContainer,
+        gd::VariablesContainer &propertyVariablesContainer) {
+  VariablesContainersList variablesContainersList;
+  variablesContainersList.Push(extension.GetGlobalVariables());
+  variablesContainersList.Push(extension.GetSceneVariables());
+
+  gd::EventsFunctionTools::PropertiesToVariablesContainer(
+      eventsBasedBehavior.GetSharedPropertyDescriptors(), propertyVariablesContainer);
+  variablesContainersList.Push(propertyVariablesContainer);
+
+  gd::EventsFunctionTools::PropertiesToVariablesContainer(
+      eventsBasedBehavior.GetPropertyDescriptors(), propertyVariablesContainer);
+  variablesContainersList.Push(propertyVariablesContainer);
+
+  gd::EventsFunctionTools::ParametersToVariablesContainer(
+      eventsFunction.GetParametersForEvents(
+          eventsBasedBehavior.GetEventsFunctions()),
+      parameterVariablesContainer);
+  variablesContainersList.Push(parameterVariablesContainer);
+
+  variablesContainersList.firstLocalVariableContainerIndex = 5;
+  return variablesContainersList;
+}
+
+VariablesContainersList
+VariablesContainersList::MakeNewVariablesContainersListForObjectEventsFunction(
+    const gd::EventsFunctionsExtension &extension,
+    const gd::EventsBasedObject &eventsBasedObject,
+    const gd::EventsFunction &eventsFunction,
+    gd::VariablesContainer &parameterVariablesContainer,
+    gd::VariablesContainer &propertyVariablesContainer) {
+  VariablesContainersList variablesContainersList;
+  variablesContainersList.Push(extension.GetGlobalVariables());
+  variablesContainersList.Push(extension.GetSceneVariables());
+
+  gd::EventsFunctionTools::PropertiesToVariablesContainer(
+      eventsBasedObject.GetPropertyDescriptors(), propertyVariablesContainer);
+  variablesContainersList.Push(propertyVariablesContainer);
+
+  gd::EventsFunctionTools::ParametersToVariablesContainer(
+      eventsFunction.GetParametersForEvents(
+          eventsBasedObject.GetEventsFunctions()),
+      parameterVariablesContainer);
+  variablesContainersList.Push(parameterVariablesContainer);
+
+  variablesContainersList.firstLocalVariableContainerIndex = 4;
+  return variablesContainersList;
+}
+
 VariablesContainersList
 VariablesContainersList::MakeNewVariablesContainersListPushing(
     const VariablesContainersList& variablesContainersList, const gd::VariablesContainer& variablesContainer) {
@@ -74,7 +147,7 @@ const Variable& VariablesContainersList::Get(const gd::String& name) const {
 }
 
 const VariablesContainer &
-VariablesContainersList::GetVariablesContainerFromVariableName(
+VariablesContainersList::GetVariablesContainerFromVariableOrPropertyOrParameterName(
     const gd::String &variableName) const {
   for (auto it = variablesContainers.rbegin(); it != variablesContainers.rend();
        ++it) {
@@ -84,6 +157,34 @@ VariablesContainersList::GetVariablesContainerFromVariableName(
   return badVariablesContainer;
 }
 
+const VariablesContainer &VariablesContainersList::
+    GetVariablesContainerFromVariableOrPropertyName(
+        const gd::String &variableName) const {
+  for (auto it = variablesContainers.rbegin(); it != variablesContainers.rend();
+       ++it) {
+    if ((*it)->GetSourceType() !=
+            gd::VariablesContainer::SourceType::Parameters &&
+        (*it)->Has(variableName))
+      return **it;
+  }
+  return badVariablesContainer;
+}
+
+const VariablesContainer &VariablesContainersList::
+    GetVariablesContainerFromVariableNameOnly(
+        const gd::String &variableName) const {
+  for (auto it = variablesContainers.rbegin(); it != variablesContainers.rend();
+       ++it) {
+    if ((*it)->GetSourceType() !=
+            gd::VariablesContainer::SourceType::Parameters &&
+        (*it)->GetSourceType() !=
+            gd::VariablesContainer::SourceType::Properties &&
+        (*it)->Has(variableName))
+      return **it;
+  }
+  return badVariablesContainer;
+}
+
 std::size_t
 VariablesContainersList::GetVariablesContainerPositionFromVariableName(
     const gd::String &variableName) const {

Core/GDCore/Project/VariablesContainersList.h

@@ -1,6 +1,6 @@
 #pragma once
-#include <vector>
 #include <functional>
+#include <vector>
 
 namespace gd {
 class String;
@@ -9,7 +9,10 @@ class Layout;
 class VariablesContainer;
 class Variable;
 class EventsFunctionsExtension;
-}  // namespace gd
+class EventsBasedBehavior;
+class EventsBasedObject;
+class EventsFunction;
+} // namespace gd
 
 namespace gd {
 
@@ -24,20 +27,42 @@ namespace gd {
  * \ingroup PlatformDefinition
  */
 class GD_CORE_API VariablesContainersList {
- public:
+public:
   virtual ~VariablesContainersList(){};
 
   static VariablesContainersList
-  MakeNewVariablesContainersListForProjectAndLayout(const gd::Project& project,
-                                                    const gd::Layout& layout);
+  MakeNewVariablesContainersListForProjectAndLayout(const gd::Project &project,
+                                                    const gd::Layout &layout);
 
   static VariablesContainersList
-  MakeNewVariablesContainersListForProject(const gd::Project& project);
+  MakeNewVariablesContainersListForProject(const gd::Project &project);
 
   static VariablesContainersList
   MakeNewVariablesContainersListForEventsFunctionsExtension(
       const gd::EventsFunctionsExtension &extension);
 
+  static VariablesContainersList
+  MakeNewVariablesContainersListForFreeEventsFunction(
+      const gd::EventsFunctionsExtension &extension,
+      const gd::EventsFunction &eventsFunction,
+      gd::VariablesContainer &parameterVariablesContainer);
+
+  static VariablesContainersList
+  MakeNewVariablesContainersListForBehaviorEventsFunction(
+      const gd::EventsFunctionsExtension &extension,
+      const gd::EventsBasedBehavior &eventsBasedBehavior,
+      const gd::EventsFunction &eventsFunction,
+      gd::VariablesContainer &parameterVariablesContainer,
+      gd::VariablesContainer &propertyVariablesContainer);
+
+  static VariablesContainersList
+  MakeNewVariablesContainersListForObjectEventsFunction(
+      const gd::EventsFunctionsExtension &extension,
+      const gd::EventsBasedObject &eventsBasedObject,
+      const gd::EventsFunction &eventsFunction,
+      gd::VariablesContainer &parameterVariablesContainer,
+      gd::VariablesContainer &propertyVariablesContainer);
+
   static VariablesContainersList MakeNewVariablesContainersListPushing(
       const VariablesContainersList &variablesContainersList,
       const gd::VariablesContainer &variablesContainer);
@@ -50,28 +75,31 @@ class GD_CORE_API VariablesContainersList {
   /**
    * \brief Return true if the specified variable is in one of the containers.
    */
-  bool Has(const gd::String& name) const;
+  bool Has(const gd::String &name) const;
 
   /**
    * \brief Return a reference to the variable called \a name.
    */
-  const Variable& Get(const gd::String& name) const;
+  const Variable &Get(const gd::String &name) const;
 
   /**
    * \brief Return true if the specified variable container is present.
    */
-  bool HasVariablesContainer(const gd::VariablesContainer& variablesContainer) const;
+  bool
+  HasVariablesContainer(const gd::VariablesContainer &variablesContainer) const;
 
-  // TODO: Rename GetTopMostVariablesContainer and GetBottomMostVariablesContainer
-  // to give a clearer access to segments of the container list.
-  // For instance, a project tree segment and an event tree segment.
+  // TODO: Rename GetTopMostVariablesContainer and
+  // GetBottomMostVariablesContainer to give a clearer access to segments of the
+  // container list. For instance, a project tree segment and an event tree
+  // segment.
 
   /**
-   * Get the variables container at the top of the scope (so the most "global" one).
-   * \brief Avoid using apart when a scope must be forced.
+   * Get the variables container at the top of the scope (so the most "global"
+   * one). \brief Avoid using apart when a scope must be forced.
    */
-  const VariablesContainer* GetTopMostVariablesContainer() const {
-    if (variablesContainers.empty()) return nullptr;
+  const VariablesContainer *GetTopMostVariablesContainer() const {
+    if (variablesContainers.empty())
+      return nullptr;
     return variablesContainers.front();
   };
 
@@ -80,16 +108,29 @@ class GD_CORE_API VariablesContainersList {
    * (so the most "local" one) excluding local variables.
    * \brief Avoid using apart when a scope must be forced.
    */
-  const VariablesContainer* GetBottomMostVariablesContainer() const {
-    if (variablesContainers.empty()) return nullptr;
+  const VariablesContainer *GetBottomMostVariablesContainer() const {
+    if (variablesContainers.empty())
+      return nullptr;
     return variablesContainers.at(firstLocalVariableContainerIndex - 1);
   }
 
+  /**
+   * Get the variables container for a given variable or property or parameter.
+   */
+  const VariablesContainer &
+  GetVariablesContainerFromVariableOrPropertyOrParameterName(const gd::String &variableName) const;
+
+  /**
+   * Get the variables container for a given variable or property.
+   */
+  const VariablesContainer &
+  GetVariablesContainerFromVariableOrPropertyName(const gd::String &variableName) const;
+
   /**
    * Get the variables container for a given variable.
    */
   const VariablesContainer &
-  GetVariablesContainerFromVariableName(const gd::String &variableName) const;
+  GetVariablesContainerFromVariableNameOnly(const gd::String &variableName) const;
 
   /**
    * Get the variables container index for a given variable.
@@ -109,43 +150,47 @@ class GD_CORE_API VariablesContainersList {
    * \warning Trying to access to a not existing variable container will result
    * in undefined behavior.
    */
-  const gd::VariablesContainer& GetVariablesContainer(std::size_t index) const {
+  const gd::VariablesContainer &GetVariablesContainer(std::size_t index) const {
     return *variablesContainers.at(index);
   }
 
   /**
    * \brief Return the number variable containers.
    */
-  std::size_t GetVariablesContainersCount() const { return variablesContainers.size(); }
+  std::size_t GetVariablesContainersCount() const {
+    return variablesContainers.size();
+  }
 
   /**
-   * \brief Call the callback for each variable having a name matching the specified search.
+   * \brief Call the callback for each variable having a name matching the
+   * specified search.
    */
-  void ForEachVariableMatchingSearch(const gd::String& search, std::function<void(const gd::String& name, const gd::Variable& variable)> fn) const;
+  void ForEachVariableMatchingSearch(
+      const gd::String &search,
+      std::function<void(const gd::String &name, const gd::Variable &variable)>
+          fn) const;
 
   /**
    * \brief Push a new variables container to the context.
    */
-  void Push(const gd::VariablesContainer& variablesContainer) {
+  void Push(const gd::VariablesContainer &variablesContainer) {
     variablesContainers.push_back(&variablesContainer);
   };
 
   /**
    * \brief Pop a variables container from the context.
    */
-  void Pop() {
-    variablesContainers.pop_back();
-  };
+  void Pop() { variablesContainers.pop_back(); };
 
+  /** Do not use - should be private but accessible to let Emscripten create a
+   * temporary. */
+  VariablesContainersList() : firstLocalVariableContainerIndex(0){};
 
-  /** Do not use - should be private but accessible to let Emscripten create a temporary. */
-  VariablesContainersList(): firstLocalVariableContainerIndex(0) {};
- private:
-
-  std::vector<const gd::VariablesContainer*> variablesContainers;
+private:
+  std::vector<const gd::VariablesContainer *> variablesContainers;
   std::size_t firstLocalVariableContainerIndex;
   static Variable badVariable;
   static VariablesContainer badVariablesContainer;
 };
 
-}  // namespace gd
+} // namespace gd

Core/tests/ArbitraryResourceWorker.cpp

@@ -268,8 +268,9 @@ TEST_CASE("ArbitraryResourceWorker", "[common][resources]") {
       ArbitraryResourceWorkerTest worker(project.GetResourcesManager());
 
       auto& extension = project.InsertNewEventsFunctionsExtension("MyEventExtension", 0);
-      auto& function = extension.InsertNewEventsFunction("MyFreeFunction", 0);
-      
+      auto &function = extension.GetEventsFunctions().InsertNewEventsFunction(
+          "MyFreeFunction", 0);
+
       gd::StandardEvent standardEvent;
       gd::Instruction instruction;
       instruction.SetType("MyExtension::DoSomethingWithResources");
@@ -777,8 +778,9 @@ TEST_CASE("ArbitraryResourceWorker", "[common][resources]") {
       ArbitraryResourceWorkerTest worker(project.GetResourcesManager());
 
       auto& extension = project.InsertNewEventsFunctionsExtension("MyEventExtension", 0);
-      auto& function = extension.InsertNewEventsFunction("MyFreeFunction", 0);
-      
+      auto &function = extension.GetEventsFunctions().InsertNewEventsFunction(
+          "MyFreeFunction", 0);
+
       gd::StandardEvent standardEvent;
       gd::Instruction instruction;
       instruction.SetType("MyExtension::DoSomethingWithResources");

Core/tests/DummyPlatform.cpp

@@ -263,6 +263,46 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
   extension->SetExtensionInformation(
       "BuiltinVariables", "My testing extension for variables", "", "", "");
 
+  extension
+      ->AddCondition("NumberVariable",
+                    "Variable value",
+                    "Compare the number value of a variable.",
+                    "The variable _PARAM0_",
+                    "",
+                    "",
+                    "")
+      .AddParameter("variableOrPropertyOrParameter", _("Variable"))
+      .UseStandardRelationalOperatorParameters(
+          "number", gd::ParameterOptions::MakeNewOptions());
+
+  extension
+      ->AddCondition("StringVariable",
+                    "Variable value",
+                    "Compare the text (string) of a variable.",
+                    "The variable _PARAM0_",
+                    "",
+                    "",
+                    "")
+      .AddParameter("variableOrPropertyOrParameter", _("Variable"))
+      .UseStandardRelationalOperatorParameters(
+          "string", gd::ParameterOptions::MakeNewOptions());
+
+  extension
+      ->AddCondition(
+          "BooleanVariable",
+          "Variable value",
+          "Compare the boolean value of a variable.",
+          "The variable _PARAM0_ is _PARAM1_",
+          "",
+          "",
+          "")
+      .AddParameter("variableOrPropertyOrParameter", _("Variable"))
+      .AddParameter("trueorfalse", _("Check if the value is"))
+      .SetDefaultValue("true")
+      // This parameter allows to keep the operand expression
+      // when the editor switch between variable instructions.
+      .AddCodeOnlyParameter("trueorfalse", "");
+
   extension
       ->AddAction("SetNumberVariable",
                   "Change variable value",
@@ -271,7 +311,7 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
                   "",
                   "",
                   "")
-      .AddParameter("variable", "Variable")
+      .AddParameter("variableOrProperty", "Variable")
       .AddParameter("operator", "Operator", "number")
       .AddParameter("number", "Value")
       .SetFunctionName("setNumberVariable");
@@ -284,7 +324,7 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
                   "",
                   "",
                   "")
-      .AddParameter("variable", "Variable")
+      .AddParameter("variableOrProperty", "Variable")
       .AddParameter("operator", "Operator", "string")
       .AddParameter("string", "Value")
       .SetFunctionName("setStringVariable");
@@ -297,7 +337,7 @@ void SetupProjectWithDummyPlatform(gd::Project& project,
                   "",
                   "",
                   "")
-      .AddParameter("variable", "Variable")
+      .AddParameter("variableOrProperty", "Variable")
       .AddParameter("operator", "Operator", "boolean")
       // This parameter allows to keep the operand expression
       // when the editor switch between variable instructions.

Core/tests/EventsFunctionsContainer.cpp

@@ -38,6 +38,8 @@ TEST_CASE("EventsFunctionsContainer", "[common]") {
             "Function2.x");
     REQUIRE(eventsFunctionContainer.GetEventsFunction(2).GetName() ==
             "Function3");
+    REQUIRE(eventsFunctionContainer.GetOwner() ==
+            gd::EventsFunctionsContainer::FunctionOwner::Extension);
     REQUIRE(eventsFunctionContainer2.GetEventsFunctionsCount() == 3);
     REQUIRE(eventsFunctionContainer2.GetEventsFunction(0).GetName() ==
             "Function1.y");

Core/tests/EventsFunctionsExtension.cpp

@@ -11,9 +11,10 @@
 TEST_CASE("EventsFunctionsExtension", "[common]") {
   SECTION("Sanity checks") {
     gd::EventsFunctionsExtension eventsFunctionExtension;
-    eventsFunctionExtension.InsertNewEventsFunction("Function1", 0);
-    eventsFunctionExtension.InsertNewEventsFunction("Function2", 1);
-    eventsFunctionExtension.InsertNewEventsFunction("Function3", 2);
+    auto &freeEventsFunctions = eventsFunctionExtension.GetEventsFunctions();
+    freeEventsFunctions.InsertNewEventsFunction("Function1", 0);
+    freeEventsFunctions.InsertNewEventsFunction("Function2", 1);
+    freeEventsFunctions.InsertNewEventsFunction("Function3", 2);
     eventsFunctionExtension.GetEventsBasedBehaviors().InsertNew("MyBehavior",
                                                                 0);
     eventsFunctionExtension.GetEventsBasedBehaviors().InsertNew("MyBehavior2",
@@ -22,12 +23,13 @@ TEST_CASE("EventsFunctionsExtension", "[common]") {
     // Check that copy operator is working
     gd::EventsFunctionsExtension eventsFunctionExtension2 =
         eventsFunctionExtension;
-    REQUIRE(eventsFunctionExtension2.GetEventsFunctionsCount() == 3);
-    REQUIRE(eventsFunctionExtension2.GetEventsFunction(0).GetName() ==
+    auto &freeEventsFunctions2 = eventsFunctionExtension2.GetEventsFunctions();
+    REQUIRE(freeEventsFunctions2.GetEventsFunctionsCount() == 3);
+    REQUIRE(freeEventsFunctions2.GetEventsFunction(0).GetName() ==
             "Function1");
-    REQUIRE(eventsFunctionExtension2.GetEventsFunction(1).GetName() ==
+    REQUIRE(freeEventsFunctions2.GetEventsFunction(1).GetName() ==
             "Function2");
-    REQUIRE(eventsFunctionExtension2.GetEventsFunction(2).GetName() ==
+    REQUIRE(freeEventsFunctions2.GetEventsFunction(2).GetName() ==
             "Function3");
     REQUIRE(eventsFunctionExtension2.GetEventsBasedBehaviors().GetCount() == 2);
     REQUIRE(
@@ -39,21 +41,21 @@ TEST_CASE("EventsFunctionsExtension", "[common]") {
 
     // Check that the copy has not somehow shared the same pointers
     // to the events functions.
-    eventsFunctionExtension.GetEventsFunction(1).SetName("Function2.x");
-    eventsFunctionExtension2.GetEventsFunction(0).SetName("Function1.y");
-    REQUIRE(eventsFunctionExtension.GetEventsFunctionsCount() == 3);
-    REQUIRE(eventsFunctionExtension.GetEventsFunction(0).GetName() ==
+    freeEventsFunctions.GetEventsFunction(1).SetName("Function2.x");
+    freeEventsFunctions2.GetEventsFunction(0).SetName("Function1.y");
+    REQUIRE(freeEventsFunctions.GetEventsFunctionsCount() == 3);
+    REQUIRE(freeEventsFunctions.GetEventsFunction(0).GetName() ==
             "Function1");
-    REQUIRE(eventsFunctionExtension.GetEventsFunction(1).GetName() ==
+    REQUIRE(freeEventsFunctions.GetEventsFunction(1).GetName() ==
             "Function2.x");
-    REQUIRE(eventsFunctionExtension.GetEventsFunction(2).GetName() ==
+    REQUIRE(freeEventsFunctions.GetEventsFunction(2).GetName() ==
             "Function3");
-    REQUIRE(eventsFunctionExtension2.GetEventsFunctionsCount() == 3);
-    REQUIRE(eventsFunctionExtension2.GetEventsFunction(0).GetName() ==
+    REQUIRE(freeEventsFunctions2.GetEventsFunctionsCount() == 3);
+    REQUIRE(freeEventsFunctions2.GetEventsFunction(0).GetName() ==
             "Function1.y");
-    REQUIRE(eventsFunctionExtension2.GetEventsFunction(1).GetName() ==
+    REQUIRE(freeEventsFunctions2.GetEventsFunction(1).GetName() ==
             "Function2");
-    REQUIRE(eventsFunctionExtension2.GetEventsFunction(2).GetName() ==
+    REQUIRE(freeEventsFunctions2.GetEventsFunction(2).GetName() ==
             "Function3");
   }
 }

Core/tests/ExpressionParser2.cpp

@@ -2035,6 +2035,319 @@ TEST_CASE("ExpressionParser2", "[common][events]") {
     }
   }
 
+  SECTION("Valid property (in variableOrPropertyOrParameter parameter)") {
+    {
+      gd::PropertiesContainer propertiesContainer(
+          gd::EventsFunctionsContainer::Extension);
+
+      auto projectScopedContainersWithProperties = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithProperties.AddPropertiesContainer(
+          propertiesContainer);
+
+      propertiesContainer.InsertNew("MyProperty");
+
+      auto node = parser.ParseExpression("MyProperty");
+
+      gd::ExpressionValidator validator(platform,
+                                        projectScopedContainersWithProperties,
+                                        "variableOrPropertyOrParameter");
+      node->Visit(validator);
+      REQUIRE(validator.GetAllErrors().size() == 0);
+    }
+  }
+
+  SECTION("Valid property (in variableOrProperty parameter)") {
+    {
+      gd::PropertiesContainer propertiesContainer(
+          gd::EventsFunctionsContainer::Extension);
+
+      auto projectScopedContainersWithProperties = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithProperties.AddPropertiesContainer(
+          propertiesContainer);
+
+      propertiesContainer.InsertNew("MyProperty");
+
+      auto node = parser.ParseExpression("MyProperty");
+
+      gd::ExpressionValidator validator(platform,
+                                        projectScopedContainersWithProperties,
+                                        "variableOrProperty");
+      node->Visit(validator);
+      REQUIRE(validator.GetAllErrors().size() == 0);
+    }
+  }
+
+  SECTION("Invalid property (in variable parameter)") {
+    {
+      gd::PropertiesContainer propertiesContainer(
+          gd::EventsFunctionsContainer::Extension);
+
+      auto projectScopedContainersWithProperties = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithProperties.AddPropertiesContainer(
+          propertiesContainer);
+
+      propertiesContainer.InsertNew("MyProperty");
+
+      auto node = parser.ParseExpression("MyProperty");
+
+      gd::ExpressionValidator validator(
+          platform, projectScopedContainersWithProperties, "variable");
+      node->Visit(validator);
+      REQUIRE(validator.GetAllErrors().size() == 1);
+      REQUIRE(validator.GetAllErrors()[0]->GetMessage() ==
+              "This variable has the same name as a property. Consider "
+              "renaming one or the other.");
+    }
+  }
+
+  SECTION("Invalid property (property with child in variableOrProperty parameter)") {
+    {
+      gd::PropertiesContainer propertiesContainer(
+          gd::EventsFunctionsContainer::Extension);
+
+      auto projectScopedContainersWithProperties = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithProperties.AddPropertiesContainer(
+          propertiesContainer);
+
+      propertiesContainer.InsertNew("MyProperty");
+
+      {
+        auto node = parser.ParseExpression("MyProperty.MyChild");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrProperty");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyProperty.MyChild.MyGrandChild");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrProperty");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyProperty[\"MyChild\"]");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrProperty");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyProperty[0]");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrProperty");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+    }
+  }
+
+  SECTION("Invalid property (property with child in variableOrPropertyOrParameter parameter)") {
+    {
+      gd::PropertiesContainer propertiesContainer(
+          gd::EventsFunctionsContainer::Extension);
+
+      auto projectScopedContainersWithProperties = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithProperties.AddPropertiesContainer(
+          propertiesContainer);
+
+      propertiesContainer.InsertNew("MyProperty");
+
+      {
+        auto node = parser.ParseExpression("MyProperty.MyChild");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyProperty.MyChild.MyGrandChild");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyProperty[\"MyChild\"]");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyProperty[0]");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithProperties,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+    }
+  }
+
+  SECTION("Valid parameter (in variableOrPropertyOrParameter parameter)") {
+    {
+      gd::ParameterMetadataContainer parameters;
+      parameters.InsertNewParameter("MyParameter", 0).SetType("number");
+
+      auto projectScopedContainersWithParameters = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithParameters.AddParameters(parameters);
+
+      auto node = parser.ParseExpression("MyParameter");
+
+      gd::ExpressionValidator validator(platform,
+                                        projectScopedContainersWithParameters,
+                                        "variableOrPropertyOrParameter");
+      node->Visit(validator);
+      REQUIRE(validator.GetAllErrors().size() == 0);
+    }
+  }
+
+  SECTION("Invalid parameter (in variableOrProperty parameter)") {
+    {
+      gd::ParameterMetadataContainer parameters;
+      parameters.InsertNewParameter("MyParameter", 0).SetType("number");
+
+      auto projectScopedContainersWithParameters = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithParameters.AddParameters(parameters);
+
+      auto node = parser.ParseExpression("MyParameter");
+
+      gd::ExpressionValidator validator(platform,
+                                        projectScopedContainersWithParameters,
+                                        "variableOrProperty");
+      node->Visit(validator);
+      REQUIRE(validator.GetAllErrors().size() == 1);
+      REQUIRE(validator.GetAllErrors()[0]->GetMessage() ==
+              "This variable has the same name as a parameter. Consider "
+              "renaming one or the other.");
+    }
+  }
+
+  SECTION("Invalid parameter (in variable parameter)") {
+    {
+      gd::ParameterMetadataContainer parameters;
+      parameters.InsertNewParameter("MyParameter", 0).SetType("number");
+
+      auto projectScopedContainersWithParameters = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithParameters.AddParameters(parameters);
+
+      auto node = parser.ParseExpression("MyParameter");
+
+      gd::ExpressionValidator validator(
+          platform, projectScopedContainersWithParameters, "variable");
+      node->Visit(validator);
+      REQUIRE(validator.GetAllErrors().size() == 1);
+      REQUIRE(validator.GetAllErrors()[0]->GetMessage() ==
+              "This variable has the same name as a parameter. Consider "
+              "renaming one or the other.");
+    }
+  }
+
+  SECTION("Invalid parameter (parameter with child in variableOrPropertyOrParameter parameter)") {
+    {
+      gd::ParameterMetadataContainer parameters;
+      parameters.InsertNewParameter("MyParameter", 0).SetType("number");
+
+      auto projectScopedContainersWithParameters = gd::ProjectScopedContainers::
+          MakeNewProjectScopedContainersForProjectAndLayout(project, layout1);
+      projectScopedContainersWithParameters.AddParameters(parameters);
+
+      {
+        auto node = parser.ParseExpression("MyParameter.MyChild");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithParameters,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyParameter.MyChild.MyGrandChild");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithParameters,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyParameter[\"MyChild\"]");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithParameters,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+
+      {
+        auto node = parser.ParseExpression("MyParameter[0]");
+
+        gd::ExpressionValidator validator(platform,
+                                          projectScopedContainersWithParameters,
+                                          "variableOrPropertyOrParameter");
+        node->Visit(validator);
+        REQUIRE(validator.GetFatalErrors().size() == 1);
+        REQUIRE(validator.GetFatalErrors()[0]->GetMessage() ==
+                "Properties can't have children.");
+      }
+    }
+  }
+
   SECTION("Valid parameter") {
       gd::ParameterMetadataContainer parameters;
       parameters.InsertNewParameter("MyParameter1", 0).SetType("number");

Core/tests/PropertyFunctionGenerator.cpp

@@ -116,14 +116,11 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(setterEvent.GetConditions().size() == 0);
       REQUIRE(setterEvent.GetActions().size() == 1);
       auto &setterAction = setterEvent.GetActions().at(0);
-      REQUIRE(
-          setterAction.GetType() ==
-          "MyEventsExtension::MyEventsBasedBehavior::SetPropertyMovementAngle");
-      REQUIRE(setterAction.GetParametersCount() == 4);
-      REQUIRE(setterAction.GetParameter(0).GetPlainString() == "Object");
-      REQUIRE(setterAction.GetParameter(1).GetPlainString() == "Behavior");
-      REQUIRE(setterAction.GetParameter(2).GetPlainString() == "=");
-      REQUIRE(setterAction.GetParameter(3).GetPlainString() == "Value");
+      REQUIRE(setterAction.GetType() == "SetNumberVariable");
+      REQUIRE(setterAction.GetParametersCount() == 3);
+      REQUIRE(setterAction.GetParameter(0).GetPlainString() == "MovementAngle");
+      REQUIRE(setterAction.GetParameter(1).GetPlainString() == "=");
+      REQUIRE(setterAction.GetParameter(2).GetPlainString() == "Value");
     }
   }
 
@@ -206,12 +203,12 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(getterEvent.GetActions().size() == 1);
 
       auto &getterCondition = getterEvent.GetConditions().at(0);
-      REQUIRE(getterCondition.GetType() ==
-              "MyEventsExtension::MyEventsBasedBehavior::PropertyRotate");
+      REQUIRE(getterCondition.GetType() == "BooleanVariable");
       REQUIRE(!getterCondition.IsInverted());
-      REQUIRE(getterCondition.GetParametersCount() == 2);
-      REQUIRE(getterCondition.GetParameter(0).GetPlainString() == "Object");
-      REQUIRE(getterCondition.GetParameter(1).GetPlainString() == "Behavior");
+      REQUIRE(getterCondition.GetParametersCount() == 3);
+      REQUIRE(getterCondition.GetParameter(0).GetPlainString() == "Rotate");
+      REQUIRE(getterCondition.GetParameter(1).GetPlainString() == "True");
+      REQUIRE(getterCondition.GetParameter(2).GetPlainString() == "");
 
       auto &getterAction = getterEvent.GetActions().at(0);
       REQUIRE(getterAction.GetType() == "SetReturnBoolean");
@@ -257,19 +254,19 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(setterNoEvent.GetActions().size() == 1);
 
       auto &setterNoCondition = setterNoEvent.GetConditions().at(0);
-      REQUIRE(setterNoCondition.GetType() == "GetArgumentAsBoolean");
-      REQUIRE(setterNoCondition.IsInverted());
-      REQUIRE(setterNoCondition.GetParametersCount() == 1);
-      REQUIRE(setterNoCondition.GetParameter(0).GetPlainString() ==
-              "\"Value\"");
+      REQUIRE(setterNoCondition.GetType() == "BooleanVariable");
+      REQUIRE(!setterNoCondition.IsInverted());
+      REQUIRE(setterNoCondition.GetParametersCount() == 3);
+      REQUIRE(setterNoCondition.GetParameter(0).GetPlainString() == "Value");
+      REQUIRE(setterNoCondition.GetParameter(1).GetPlainString() == "False");
+      REQUIRE(setterNoCondition.GetParameter(2).GetPlainString() == "");
 
       auto &setterNoAction = setterNoEvent.GetActions().at(0);
-      REQUIRE(setterNoAction.GetType() ==
-              "MyEventsExtension::MyEventsBasedBehavior::SetPropertyRotate");
+      REQUIRE(setterNoAction.GetType() == "SetBooleanVariable");
       REQUIRE(setterNoAction.GetParametersCount() == 3);
-      REQUIRE(setterNoAction.GetParameter(0).GetPlainString() == "Object");
-      REQUIRE(setterNoAction.GetParameter(1).GetPlainString() == "Behavior");
-      REQUIRE(setterNoAction.GetParameter(2).GetPlainString() == "no");
+      REQUIRE(setterNoAction.GetParameter(0).GetPlainString() == "Rotate");
+      REQUIRE(setterNoAction.GetParameter(1).GetPlainString() == "False");
+      REQUIRE(setterNoAction.GetParameter(2).GetPlainString() == "");
 
       auto &setterYesEvent =
           dynamic_cast<gd::StandardEvent &>(setter.GetEvents().GetEvent(1));
@@ -277,19 +274,19 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(setterYesEvent.GetActions().size() == 1);
 
       auto &setterYesCondition = setterYesEvent.GetConditions().at(0);
-      REQUIRE(setterYesCondition.GetType() == "GetArgumentAsBoolean");
+      REQUIRE(setterYesCondition.GetType() == "BooleanVariable");
       REQUIRE(!setterYesCondition.IsInverted());
-      REQUIRE(setterYesCondition.GetParametersCount() == 1);
-      REQUIRE(setterYesCondition.GetParameter(0).GetPlainString() ==
-              "\"Value\"");
+      REQUIRE(setterYesCondition.GetParametersCount() == 3);
+      REQUIRE(setterYesCondition.GetParameter(0).GetPlainString() == "Value");
+      REQUIRE(setterYesCondition.GetParameter(1).GetPlainString() == "True");
+      REQUIRE(setterYesCondition.GetParameter(2).GetPlainString() == "");
 
       auto &setterYesAction = setterYesEvent.GetActions().at(0);
-      REQUIRE(setterYesAction.GetType() ==
-              "MyEventsExtension::MyEventsBasedBehavior::SetPropertyRotate");
+      REQUIRE(setterYesAction.GetType() == "SetBooleanVariable");
       REQUIRE(setterYesAction.GetParametersCount() == 3);
-      REQUIRE(setterYesAction.GetParameter(0).GetPlainString() == "Object");
-      REQUIRE(setterYesAction.GetParameter(1).GetPlainString() == "Behavior");
-      REQUIRE(setterYesAction.GetParameter(2).GetPlainString() == "yes");
+      REQUIRE(setterYesAction.GetParameter(0).GetPlainString() == "Rotate");
+      REQUIRE(setterYesAction.GetParameter(1).GetPlainString() == "True");
+      REQUIRE(setterYesAction.GetParameter(2).GetPlainString() == "");
     }
   }
   SECTION("Can generate functions for a number property in an object") {
@@ -366,11 +363,9 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(setterEvent.GetConditions().size() == 0);
       REQUIRE(setterEvent.GetActions().size() == 1);
       auto &setterAction = setterEvent.GetActions().at(0);
-      REQUIRE(
-          setterAction.GetType() ==
-          "MyEventsExtension::MyEventsBasedObject::SetPropertyMovementAngle");
+      REQUIRE(setterAction.GetType() == "SetNumberVariable");
       REQUIRE(setterAction.GetParametersCount() == 3);
-      REQUIRE(setterAction.GetParameter(0).GetPlainString() == "Object");
+      REQUIRE(setterAction.GetParameter(0).GetPlainString() == "MovementAngle");
       REQUIRE(setterAction.GetParameter(1).GetPlainString() == "=");
       REQUIRE(setterAction.GetParameter(2).GetPlainString() == "Value");
     }
@@ -454,11 +449,12 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(getterEvent.GetActions().size() == 1);
 
       auto &getterCondition = getterEvent.GetConditions().at(0);
-      REQUIRE(getterCondition.GetType() ==
-              "MyEventsExtension::MyEventsBasedObject::PropertyRotate");
+      REQUIRE(getterCondition.GetType() == "BooleanVariable");
       REQUIRE(!getterCondition.IsInverted());
-      REQUIRE(getterCondition.GetParametersCount() == 1);
-      REQUIRE(getterCondition.GetParameter(0).GetPlainString() == "Object");
+      REQUIRE(getterCondition.GetParametersCount() == 3);
+      REQUIRE(getterCondition.GetParameter(0).GetPlainString() == "Rotate");
+      REQUIRE(getterCondition.GetParameter(1).GetPlainString() == "True");
+      REQUIRE(getterCondition.GetParameter(2).GetPlainString() == "");
 
       auto &getterAction = getterEvent.GetActions().at(0);
       REQUIRE(getterAction.GetType() == "SetReturnBoolean");
@@ -500,18 +496,19 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(setterNoEvent.GetActions().size() == 1);
 
       auto &setterNoCondition = setterNoEvent.GetConditions().at(0);
-      REQUIRE(setterNoCondition.GetType() == "GetArgumentAsBoolean");
-      REQUIRE(setterNoCondition.IsInverted());
-      REQUIRE(setterNoCondition.GetParametersCount() == 1);
-      REQUIRE(setterNoCondition.GetParameter(0).GetPlainString() ==
-              "\"Value\"");
+      REQUIRE(setterNoCondition.GetType() == "BooleanVariable");
+      REQUIRE(!setterNoCondition.IsInverted());
+      REQUIRE(setterNoCondition.GetParametersCount() == 3);
+      REQUIRE(setterNoCondition.GetParameter(0).GetPlainString() == "Value");
+      REQUIRE(setterNoCondition.GetParameter(1).GetPlainString() == "False");
+      REQUIRE(setterNoCondition.GetParameter(2).GetPlainString() == "");
 
       auto &setterNoAction = setterNoEvent.GetActions().at(0);
-      REQUIRE(setterNoAction.GetType() ==
-              "MyEventsExtension::MyEventsBasedObject::SetPropertyRotate");
-      REQUIRE(setterNoAction.GetParametersCount() == 2);
-      REQUIRE(setterNoAction.GetParameter(0).GetPlainString() == "Object");
-      REQUIRE(setterNoAction.GetParameter(1).GetPlainString() == "no");
+      REQUIRE(setterNoAction.GetType() == "SetBooleanVariable");
+      REQUIRE(setterNoAction.GetParametersCount() == 3);
+      REQUIRE(setterNoAction.GetParameter(0).GetPlainString() == "Rotate");
+      REQUIRE(setterNoAction.GetParameter(1).GetPlainString() == "False");
+      REQUIRE(setterNoAction.GetParameter(2).GetPlainString() == "");
 
       auto &setterYesEvent =
           dynamic_cast<gd::StandardEvent &>(setter.GetEvents().GetEvent(1));
@@ -519,18 +516,19 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(setterYesEvent.GetActions().size() == 1);
 
       auto &setterYesCondition = setterYesEvent.GetConditions().at(0);
-      REQUIRE(setterYesCondition.GetType() == "GetArgumentAsBoolean");
+      REQUIRE(setterYesCondition.GetType() == "BooleanVariable");
       REQUIRE(!setterYesCondition.IsInverted());
-      REQUIRE(setterYesCondition.GetParametersCount() == 1);
-      REQUIRE(setterYesCondition.GetParameter(0).GetPlainString() ==
-              "\"Value\"");
+      REQUIRE(setterYesCondition.GetParametersCount() == 3);
+      REQUIRE(setterYesCondition.GetParameter(0).GetPlainString() == "Value");
+      REQUIRE(setterYesCondition.GetParameter(1).GetPlainString() == "True");
+      REQUIRE(setterYesCondition.GetParameter(2).GetPlainString() == "");
 
       auto &setterYesAction = setterYesEvent.GetActions().at(0);
-      REQUIRE(setterYesAction.GetType() ==
-              "MyEventsExtension::MyEventsBasedObject::SetPropertyRotate");
-      REQUIRE(setterYesAction.GetParametersCount() == 2);
-      REQUIRE(setterYesAction.GetParameter(0).GetPlainString() == "Object");
-      REQUIRE(setterYesAction.GetParameter(1).GetPlainString() == "yes");
+      REQUIRE(setterYesAction.GetType() == "SetBooleanVariable");
+      REQUIRE(setterYesAction.GetParametersCount() == 3);
+      REQUIRE(setterYesAction.GetParameter(0).GetPlainString() == "Rotate");
+      REQUIRE(setterYesAction.GetParameter(1).GetPlainString() == "True");
+      REQUIRE(setterYesAction.GetParameter(2).GetPlainString() == "");
     }
   }
 
@@ -588,9 +586,11 @@ TEST_CASE("PropertyFunctionGenerator", "[common]") {
       REQUIRE(setterEvent.GetConditions().size() == 0);
       REQUIRE(setterEvent.GetActions().size() == 1);
       auto &setterAction = setterEvent.GetActions().at(0);
-      REQUIRE(setterAction.GetType() ==
-              "MyEventsExtension::MyEventsBasedBehavior::"
-              "SetSharedPropertyMovementAngle");
+      REQUIRE(setterAction.GetType() == "SetNumberVariable");
+      REQUIRE(setterAction.GetParametersCount() == 3);
+      REQUIRE(setterAction.GetParameter(0).GetPlainString() == "MovementAngle");
+      REQUIRE(setterAction.GetParameter(1).GetPlainString() == "=");
+      REQUIRE(setterAction.GetParameter(2).GetPlainString() == "Value");
     }
   }
 

Core/tests/WholeProjectRefactorer-ApplyRefactoringForVariablesContainer.cpp

@@ -1540,7 +1540,7 @@ TEST_CASE("WholeProjectRefactorer::ApplyRefactoringForVariablesContainer",
   auto projectScopedContainers =
     gd::ProjectScopedContainers::MakeNewProjectScopedContainersForProjectAndLayout(project, scene);
     REQUIRE(&projectScopedContainers.GetVariablesContainersList()
-                   .GetVariablesContainerFromVariableName("MyVariable") == &scene.GetVariables());
+                   .GetVariablesContainerFromVariableOrPropertyOrParameterName("MyVariable") == &scene.GetVariables());
 
     // Do the changes and launch the refactoring.
     scene.GetVariables().ResetPersistentUuid();
@@ -1722,7 +1722,8 @@ TEST_CASE("WholeProjectRefactorer::ApplyRefactoringForVariablesContainer",
     auto &extension = project.InsertNewEventsFunctionsExtension("Extension", 0);
     extension.GetSceneVariables().InsertNew("MySceneVariable").SetValue(123);
 
-    auto &function = extension.InsertNewEventsFunction("MyFunction", 0);
+    auto &function =
+        extension.GetEventsFunctions().InsertNewEventsFunction("MyFunction", 0);
     gd::StandardEvent &event =
         dynamic_cast<gd::StandardEvent &>(function.GetEvents().InsertNewEvent(
             project, "BuiltinCommonInstructions::Standard"));

Core/tests/WholeProjectRefactorer.cpp

@@ -136,6 +136,74 @@ CreateInstructionWithVariableParameter(gd::Project &project,
   return event.GetActions().Insert(instruction);
 }
 
+const gd::Instruction &
+CreateNumberVariableSetterAction(gd::Project &project,
+                                     gd::EventsList &events,
+                                     const gd::String &variableName,
+                                     const gd::String &expression) {
+  gd::StandardEvent &event = dynamic_cast<gd::StandardEvent &>(
+      events.InsertNewEvent(project, "BuiltinCommonInstructions::Standard"));
+
+  gd::Instruction instruction;
+  instruction.SetType("SetNumberVariable");
+  instruction.SetParametersCount(3);
+  instruction.SetParameter(0, variableName);
+  instruction.SetParameter(1, "=");
+  instruction.SetParameter(2, expression);
+  return event.GetActions().Insert(instruction);
+}
+
+const gd::Instruction &
+CreateNumberVariableGetterCondition(gd::Project &project,
+                                     gd::EventsList &events,
+                                     const gd::String &variableName,
+                                     const gd::String &expression) {
+  gd::StandardEvent &event = dynamic_cast<gd::StandardEvent &>(
+      events.InsertNewEvent(project, "BuiltinCommonInstructions::Standard"));
+
+  gd::Instruction instruction;
+  instruction.SetType("NumberVariable");
+  instruction.SetParametersCount(3);
+  instruction.SetParameter(0, variableName);
+  instruction.SetParameter(1, "=");
+  instruction.SetParameter(2, expression);
+  return event.GetConditions().Insert(instruction);
+}
+
+const gd::Instruction &
+CreateStringVariableSetterAction(gd::Project &project,
+                                     gd::EventsList &events,
+                                     const gd::String &variableName,
+                                     const gd::String &expression) {
+  gd::StandardEvent &event = dynamic_cast<gd::StandardEvent &>(
+      events.InsertNewEvent(project, "BuiltinCommonInstructions::Standard"));
+
+  gd::Instruction instruction;
+  instruction.SetType("SetStringVariable");
+  instruction.SetParametersCount(3);
+  instruction.SetParameter(0, variableName);
+  instruction.SetParameter(1, "=");
+  instruction.SetParameter(2, expression);
+  return event.GetActions().Insert(instruction);
+}
+
+const gd::Instruction &
+CreateStringVariableGetterCondition(gd::Project &project,
+                                     gd::EventsList &events,
+                                     const gd::String &variableName,
+                                     const gd::String &expression) {
+  gd::StandardEvent &event = dynamic_cast<gd::StandardEvent &>(
+      events.InsertNewEvent(project, "BuiltinCommonInstructions::Standard"));
+
+  gd::Instruction instruction;
+  instruction.SetType("StringVariable");
+  instruction.SetParametersCount(3);
+  instruction.SetParameter(0, variableName);
+  instruction.SetParameter(1, "=");
+  instruction.SetParameter(2, expression);
+  return event.GetConditions().Insert(instruction);
+}
+
 enum TestEvent {
   FreeFunctionAction,
   FreeFunctionWithExpression,
@@ -201,8 +269,9 @@ const std::vector<const gd::EventsList *> GetEventsListsNotAssociatedToScene(gd:
           .GetEventsFunctions()
           .GetEventsFunction("MyBehaviorEventsFunction")
           .GetEvents();
-  auto &freeFunctionEvents =
-      eventsExtension.GetEventsFunction("MyOtherEventsFunction").GetEvents();
+  auto &freeFunctionEvents = eventsExtension.GetEventsFunctions()
+                                 .GetEventsFunction("MyOtherEventsFunction")
+                                 .GetEvents();
   eventLists.push_back(&objectFunctionEvents);
   eventLists.push_back(&behaviorFunctionEvents);
   eventLists.push_back(&freeFunctionEvents);
@@ -1129,8 +1198,9 @@ SetupProjectWithEventsFunctionExtension(gd::Project &project) {
 
   // Add (free) functions and a (free) expression
   {
+    auto &freeEventsFunctions = eventsExtension.GetEventsFunctions();
     auto &action =
-        eventsExtension.InsertNewEventsFunction("MyEventsFunction", 0);
+        freeEventsFunctions.InsertNewEventsFunction("MyEventsFunction", 0);
     action.GetParameters()
         .InsertNewParameter("currentScene", 0)
         .SetType("")
@@ -1145,21 +1215,21 @@ SetupProjectWithEventsFunctionExtension(gd::Project &project) {
         .SetExtraInfo("MyEventsExtension::MyEventsBasedBehavior");
 
     auto &expression =
-        eventsExtension.InsertNewEventsFunction("MyEventsFunctionExpression", 1)
+        freeEventsFunctions.InsertNewEventsFunction("MyEventsFunctionExpression", 1)
             .SetFunctionType(gd::EventsFunction::Expression);
     expression.GetParameters()
         .InsertNewParameter("currentScene", 0)
         .SetType("")
         .SetCodeOnly(true);
 
-    auto &freeExpressionAndCondition = eventsExtension.InsertNewEventsFunction("MyEventsFunctionExpressionAndCondition", 2)
+    auto &freeExpressionAndCondition = freeEventsFunctions.InsertNewEventsFunction("MyEventsFunctionExpressionAndCondition", 2)
         .SetFunctionType(gd::EventsFunction::ExpressionAndCondition);
     freeExpressionAndCondition.GetParameters().InsertNewParameter("Value1", 0)
             .SetType("expression");
     freeExpressionAndCondition.GetParameters().InsertNewParameter("Value2", 1)
             .SetType("expression");
 
-    eventsExtension.InsertNewEventsFunction("MyEventsFunctionActionWithOperator", 2)
+    freeEventsFunctions.InsertNewEventsFunction("MyEventsFunctionActionWithOperator", 2)
         .SetFunctionType(gd::EventsFunction::ActionWithOperator)
         .SetGetterName("MyEventsFunctionExpressionAndCondition");
   }
@@ -1168,8 +1238,8 @@ SetupProjectWithEventsFunctionExtension(gd::Project &project) {
   // object and behavior.
   {
     // Add functions, and parameters that should be there by convention.
-    auto &action =
-        eventsExtension.InsertNewEventsFunction("MyOtherEventsFunction", 0);
+    auto &action = eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+        "MyOtherEventsFunction", 0);
     // Define the same objects as in the layout to be consistent with events.
     action.GetParameters()
         .InsertNewParameter("ObjectWithMyBehavior", 0)
@@ -1231,7 +1301,8 @@ SetupProjectWithEventsFunctionExtension(gd::Project &project) {
                     .GetEventsFunctions()
                     .GetEventsFunction("MyBehaviorEventsFunction")
                     .GetEvents());
-    SetupEvents(eventsExtension.GetEventsFunction("MyOtherEventsFunction")
+    SetupEvents(eventsExtension.GetEventsFunctions()
+                    .GetEventsFunction("MyOtherEventsFunction")
                     .GetEvents());
   }
 
@@ -1583,7 +1654,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
       // Add a (free) function with an object group
       gd::EventsFunction &eventsFunction =
-          eventsExtension.InsertNewEventsFunction("MyEventsFunction", 0);
+          eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+              "MyEventsFunction", 0);
       gd::ObjectGroup &objectGroup =
           eventsFunction.GetObjectGroups().InsertNew("MyGroup", 0);
       objectGroup.AddObject("Object1");
@@ -1594,10 +1666,12 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
       // Create the objects container for the events function
       gd::ObjectsContainer parametersObjectsContainer(
           gd::ObjectsContainer::SourceType::Function);
+      gd::VariablesContainer parameterVariablesContainer(
+          gd::VariablesContainer::SourceType::Parameters);
       auto projectScopedContainers = gd::ProjectScopedContainers::
           MakeNewProjectScopedContainersForFreeEventsFunction(
               project, eventsExtension, eventsFunction,
-              parametersObjectsContainer);
+              parametersObjectsContainer, parameterVariablesContainer);
 
       // Trigger the refactoring before the renaming of an object
       gd::WholeProjectRefactorer::ObjectOrGroupRenamedInEventsFunction(
@@ -1618,15 +1692,18 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
       SetupProjectWithDummyPlatform(project, platform);
       auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
       auto &eventsFunction =
-          eventsExtension.GetEventsFunction("MyOtherEventsFunction");
+          eventsExtension.GetEventsFunctions().GetEventsFunction(
+              "MyOtherEventsFunction");
 
       // Create the objects container for the events function
       gd::ObjectsContainer parametersObjectsContainer(
           gd::ObjectsContainer::SourceType::Function);
+      gd::VariablesContainer parameterVariablesContainer(
+          gd::VariablesContainer::SourceType::Parameters);
       auto projectScopedContainers = gd::ProjectScopedContainers::
           MakeNewProjectScopedContainersForFreeEventsFunction(
               project, eventsExtension, eventsFunction,
-              parametersObjectsContainer);
+              parametersObjectsContainer, parameterVariablesContainer);
 
       // Simulate a variable in ObjectWithMyBehavior, even if this is not
       // supported by the editor.
@@ -1868,7 +1945,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
       // Add a (free) function with an object group
       gd::EventsFunction &eventsFunction =
-          eventsExtension.InsertNewEventsFunction("MyEventsFunction", 0);
+          eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+              "MyEventsFunction", 0);
       gd::ObjectGroup &objectGroup =
           eventsFunction.GetObjectGroups().InsertNew("MyGroup", 0);
       objectGroup.AddObject("Object1");
@@ -2066,7 +2144,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     // Add the function used by the instruction that is checked in this test.
     // When the function doesn't exist the destination extension, the
     // instruction keeps pointing to the old extension.
-    destinationExtension.InsertNewEventsFunction("MyEventsFunction", 0);
+    destinationExtension.GetEventsFunctions().InsertNewEventsFunction(
+        "MyEventsFunction", 0);
 
     auto &duplicatedBehavior =
         destinationExtension.GetEventsBasedBehaviors().InsertNew(
@@ -2108,7 +2187,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     // Add the function used by the instruction that is checked in this test.
     // When the function doesn't exist the destination extension, the
     // instruction keeps pointing to the old extension.
-    destinationExtension.InsertNewEventsFunction("MyEventsFunction", 0);
+    destinationExtension.GetEventsFunctions().InsertNewEventsFunction(
+        "MyEventsFunction", 0);
 
     auto &duplicatedObject =
         destinationExtension.GetEventsBasedObjects().InsertNew(
@@ -2217,6 +2297,7 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     // Free function
     auto &myEventsFunction =
         project.GetEventsFunctionsExtension("MyEventsExtension")
+            .GetEventsFunctions()
             .GetEventsFunction("MyEventsFunction");
     REQUIRE(myEventsFunction.GetParameters().GetParameter(1).GetExtraInfo() ==
             "MyRenamedExtension::MyEventsBasedObject");
@@ -2333,8 +2414,10 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
               "MyEventsExtension::MyRenamedFunctionExpressionAndCondition");
 
       // Check that the action still refer to the right ExpressionAndCondition.
-      REQUIRE(eventsExtension.GetEventsFunction("MyEventsFunctionActionWithOperator")
-          .GetGetterName() == "MyRenamedFunctionExpressionAndCondition");
+      REQUIRE(eventsExtension.GetEventsFunctions()
+                  .GetEventsFunction("MyEventsFunctionActionWithOperator")
+                  .GetGetterName() ==
+              "MyRenamedFunctionExpressionAndCondition");
     }
   }
 
@@ -2345,7 +2428,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
 
     auto &eventsFunction =
-        eventsExtension.InsertNewEventsFunction("MyFreeEventsFunction", 0);
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
     eventsFunction.GetParameters()
         .AddNewParameter("MyParameter")
         .GetValueTypeMetadata()
@@ -2358,10 +2442,12 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
     gd::ObjectsContainer parametersObjectsContainer(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForFreeEventsFunction(
             project, eventsExtension, eventsFunction,
-            parametersObjectsContainer);
+            parametersObjectsContainer, parameterVariablesContainer);
     gd::WholeProjectRefactorer::RenameParameter(
         project, projectScopedContainers, eventsFunction,
         parametersObjectsContainer, "MyParameter", "MyRenamedParameter");
@@ -2372,6 +2458,134 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
             "MyExtension::GetVariableAsNumber(MyVariable.MyChild[MyRenamedParameter])");
   }
 
+  SECTION("(Free function) number parameter renamed (in variable setter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+
+    auto &eventsFunction =
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
+    eventsFunction.GetParameters()
+        .AddNewParameter("MyParameter")
+        .GetValueTypeMetadata()
+        .SetName("number");
+    auto &instruction = CreateNumberVariableSetterAction(
+        project, eventsFunction.GetEvents(), "MyParameter", "123");
+
+    gd::ObjectsContainer parametersObjectsContainer(
+        gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
+    auto projectScopedContainers = gd::ProjectScopedContainers::
+        MakeNewProjectScopedContainersForFreeEventsFunction(
+            project, eventsExtension, eventsFunction,
+            parametersObjectsContainer, parameterVariablesContainer);
+    gd::WholeProjectRefactorer::RenameParameter(
+        project, projectScopedContainers, eventsFunction,
+        parametersObjectsContainer, "MyParameter", "MyRenamedParameter");
+
+    REQUIRE(instruction.GetParameter(0).GetPlainString() ==
+            "MyRenamedParameter");
+  }
+
+  SECTION("(Free function) number parameter renamed (in variable getter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+
+    auto &eventsFunction =
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
+    eventsFunction.GetParameters()
+        .AddNewParameter("MyParameter")
+        .GetValueTypeMetadata()
+        .SetName("number");
+    auto &instruction = CreateNumberVariableGetterCondition(
+        project, eventsFunction.GetEvents(), "MyParameter", "123");
+
+    gd::ObjectsContainer parametersObjectsContainer(
+        gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
+    auto projectScopedContainers = gd::ProjectScopedContainers::
+        MakeNewProjectScopedContainersForFreeEventsFunction(
+            project, eventsExtension, eventsFunction,
+            parametersObjectsContainer, parameterVariablesContainer);
+    gd::WholeProjectRefactorer::RenameParameter(
+        project, projectScopedContainers, eventsFunction,
+        parametersObjectsContainer, "MyParameter", "MyRenamedParameter");
+
+    REQUIRE(instruction.GetParameter(0).GetPlainString() ==
+            "MyRenamedParameter");
+  }
+
+  SECTION("(Free function) parameter type changed (in variable setter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+
+    auto &eventsFunction =
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
+    eventsFunction.GetParameters()
+        .AddNewParameter("MyParameter")
+        .GetValueTypeMetadata()
+        .SetName("number");
+    // The property was of type "string".
+    auto &instruction = CreateStringVariableSetterAction(
+        project, eventsFunction.GetEvents(), "MyParameter", "123");
+
+    gd::ObjectsContainer parametersObjectsContainer(
+        gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
+    auto projectScopedContainers = gd::ProjectScopedContainers::
+        MakeNewProjectScopedContainersForFreeEventsFunction(
+            project, eventsExtension, eventsFunction,
+            parametersObjectsContainer, parameterVariablesContainer);
+    gd::WholeProjectRefactorer::ChangeParameterType(
+        project, projectScopedContainers, eventsFunction,
+        parametersObjectsContainer, "MyParameter");
+
+    REQUIRE(instruction.GetType() == "SetNumberVariable");
+  }
+
+  SECTION("(Free function) parameter type changed (in variable getter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+
+    auto &eventsFunction =
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
+    eventsFunction.GetParameters()
+        .AddNewParameter("MyParameter")
+        .GetValueTypeMetadata()
+        .SetName("number");
+    // The property was of type "string".
+    auto &instruction = CreateStringVariableGetterCondition(
+        project, eventsFunction.GetEvents(), "MyParameter", "123");
+
+    gd::ObjectsContainer parametersObjectsContainer(
+        gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
+    auto projectScopedContainers = gd::ProjectScopedContainers::
+        MakeNewProjectScopedContainersForFreeEventsFunction(
+            project, eventsExtension, eventsFunction,
+            parametersObjectsContainer, parameterVariablesContainer);
+    gd::WholeProjectRefactorer::ChangeParameterType(
+        project, projectScopedContainers, eventsFunction,
+        parametersObjectsContainer, "MyParameter");
+
+    REQUIRE(instruction.GetType() == "NumberVariable");
+  }
+
   SECTION("(Free function) number parameter not renamed (in variable parameter)") {
     gd::Project project;
     gd::Platform platform;
@@ -2379,7 +2593,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
 
     auto &eventsFunction =
-        eventsExtension.InsertNewEventsFunction("MyFreeEventsFunction", 0);
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
     eventsFunction.GetParameters()
         .AddNewParameter("MyParameter")
         .GetValueTypeMetadata()
@@ -2393,10 +2608,12 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
     gd::ObjectsContainer parametersObjectsContainer(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForFreeEventsFunction(
             project, eventsExtension, eventsFunction,
-            parametersObjectsContainer);
+            parametersObjectsContainer, parameterVariablesContainer);
     gd::WholeProjectRefactorer::RenameParameter(
         project, projectScopedContainers, eventsFunction,
         parametersObjectsContainer, "MyParameter", "MyRenamedParameter");
@@ -2415,7 +2632,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
 
     auto &eventsFunction =
-        eventsExtension.InsertNewEventsFunction("MyFreeEventsFunction", 0);
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
     eventsFunction.GetParameters()
         .AddNewParameter("MyObject")
         .GetValueTypeMetadata()
@@ -2431,10 +2649,12 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
     gd::ObjectsContainer parametersObjectsContainer(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForFreeEventsFunction(
             project, eventsExtension, eventsFunction,
-            parametersObjectsContainer);
+            parametersObjectsContainer, parameterVariablesContainer);
     gd::WholeProjectRefactorer::RenameParameter(
         project, projectScopedContainers, eventsFunction,
         parametersObjectsContainer, "MyObject", "MyRenamedObject");
@@ -2454,7 +2674,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
 
     auto &eventsFunction =
-        eventsExtension.InsertNewEventsFunction("MyFreeEventsFunction", 0);
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
     eventsFunction.GetParameters()
         .AddNewParameter("MyObject")
         .GetValueTypeMetadata()
@@ -2469,10 +2690,12 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
     gd::ObjectsContainer parametersObjectsContainer(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForFreeEventsFunction(
             project, eventsExtension, eventsFunction,
-            parametersObjectsContainer);
+            parametersObjectsContainer, parameterVariablesContainer);
     gd::WholeProjectRefactorer::RenameParameter(
         project, projectScopedContainers, eventsFunction,
         parametersObjectsContainer, "MyObject", "MyRenamedObject");
@@ -2491,7 +2714,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
 
     auto &eventsFunction =
-        eventsExtension.InsertNewEventsFunction("MyFreeEventsFunction", 0);
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
     eventsFunction.GetParameters()
         .AddNewParameter("MyObject")
         .GetValueTypeMetadata()
@@ -2512,10 +2736,12 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
     gd::ObjectsContainer parametersObjectsContainer(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForFreeEventsFunction(
             project, eventsExtension, eventsFunction,
-            parametersObjectsContainer);
+            parametersObjectsContainer, parameterVariablesContainer);
     gd::WholeProjectRefactorer::RenameParameter(
         project, projectScopedContainers, eventsFunction,
         parametersObjectsContainer, "MyBehavior", "MyRenamedBehavior");
@@ -2535,7 +2761,8 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
 
     auto &eventsFunction =
-        eventsExtension.InsertNewEventsFunction("MyFreeEventsFunction", 0);
+        eventsExtension.GetEventsFunctions().InsertNewEventsFunction(
+            "MyFreeEventsFunction", 0);
     eventsFunction.GetParameters()
         .AddNewParameter("MyObject")
         .GetValueTypeMetadata()
@@ -2555,10 +2782,12 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
 
     gd::ObjectsContainer parametersObjectsContainer(
         gd::ObjectsContainer::SourceType::Function);
+    gd::VariablesContainer parameterVariablesContainer(
+        gd::VariablesContainer::SourceType::Parameters);
     auto projectScopedContainers = gd::ProjectScopedContainers::
         MakeNewProjectScopedContainersForFreeEventsFunction(
             project, eventsExtension, eventsFunction,
-            parametersObjectsContainer);
+            parametersObjectsContainer, parameterVariablesContainer);
     gd::WholeProjectRefactorer::RenameParameter(
         project, projectScopedContainers, eventsFunction,
         parametersObjectsContainer, "MyBehavior", "MyRenamedBehavior");
@@ -2727,6 +2956,7 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     // Free function
     auto &myEventsFunction =
         project.GetEventsFunctionsExtension("MyEventsExtension")
+            .GetEventsFunctions()
             .GetEventsFunction("MyEventsFunction");
     REQUIRE(myEventsFunction.GetParameters().GetParameter(2).GetExtraInfo() ==
             "MyEventsExtension::MyRenamedEventsBasedBehavior");
@@ -2837,6 +3067,7 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     // Free function
     auto &myEventsFunction =
         project.GetEventsFunctionsExtension("MyEventsExtension")
+            .GetEventsFunctions()
             .GetEventsFunction("MyEventsFunction");
     REQUIRE(myEventsFunction.GetParameters().GetParameter(1).GetExtraInfo() ==
             "MyEventsExtension::MyRenamedEventsBasedObject");
@@ -3366,6 +3597,54 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
             "MyExtension::GetVariableAsNumber(MyVariable.MyChild[MyRenamedProperty])");
   }
 
+  SECTION("(Events based behavior) property renamed (in variable setter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedBehavior =
+        eventsExtension.GetEventsBasedBehaviors().Get("MyEventsBasedBehavior");
+
+    auto &behaviorAction =
+        eventsBasedBehavior.GetEventsFunctions().InsertNewEventsFunction(
+            "MyBehaviorEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureBehaviorEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedBehavior);
+    auto &instruction = CreateNumberVariableSetterAction(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::RenameEventsBasedBehaviorProperty(
+        project, eventsExtension, eventsBasedBehavior, "MyProperty",
+        "MyRenamedProperty");
+
+    REQUIRE(instruction.GetParameter(0).GetPlainString() ==
+            "MyRenamedProperty");
+  }
+
+  SECTION("(Events based behavior) property renamed (in variable getter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedBehavior =
+        eventsExtension.GetEventsBasedBehaviors().Get("MyEventsBasedBehavior");
+
+    auto &behaviorAction =
+        eventsBasedBehavior.GetEventsFunctions().InsertNewEventsFunction(
+            "MyBehaviorEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureBehaviorEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedBehavior);
+    auto &instruction = CreateNumberVariableGetterCondition(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::RenameEventsBasedBehaviorProperty(
+        project, eventsExtension, eventsBasedBehavior, "MyProperty",
+        "MyRenamedProperty");
+
+    REQUIRE(instruction.GetParameter(0).GetPlainString() ==
+            "MyRenamedProperty");
+  }
+
   SECTION("(Events based behavior) property not renamed (in variable parameter)") {
     gd::Project project;
     gd::Platform platform;
@@ -3397,6 +3676,52 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
             "MyExtension::GetVariableAsNumber(MyProperty)");
   }
 
+  SECTION("(Events based behavior) property type changed (in variable setter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedBehavior =
+        eventsExtension.GetEventsBasedBehaviors().Get("MyEventsBasedBehavior");
+
+    auto &behaviorAction =
+        eventsBasedBehavior.GetEventsFunctions().InsertNewEventsFunction(
+            "MyBehaviorEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureBehaviorEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedBehavior);
+    // The property was of type "string".
+    auto &instruction = CreateStringVariableSetterAction(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::ChangeEventsBasedBehaviorPropertyType(
+        project, eventsExtension, eventsBasedBehavior, "MyProperty");
+
+    REQUIRE(instruction.GetType() == "SetNumberVariable");
+  }
+
+  SECTION("(Events based behavior) property type changed (in variable getter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedBehavior =
+        eventsExtension.GetEventsBasedBehaviors().Get("MyEventsBasedBehavior");
+
+    auto &behaviorAction =
+        eventsBasedBehavior.GetEventsFunctions().InsertNewEventsFunction(
+            "MyBehaviorEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureBehaviorEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedBehavior);
+    // The property was of type "string".
+    auto &instruction = CreateStringVariableGetterCondition(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::ChangeEventsBasedBehaviorPropertyType(
+        project, eventsExtension, eventsBasedBehavior, "MyProperty");
+
+    REQUIRE(instruction.GetType() == "NumberVariable");
+  }
+
   SECTION("(Events based behavior) shared property renamed") {
     gd::Project project;
     gd::Platform platform;
@@ -3536,6 +3861,54 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
             "MyExtension::GetVariableAsNumber(MyVariable.MyChild[MyRenamedProperty])");
   }
 
+  SECTION("(Events based object) property renamed (in variable setter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedObject =
+        eventsExtension.GetEventsBasedObjects().Get("MyEventsBasedObject");
+
+    auto &behaviorAction =
+        eventsBasedObject.GetEventsFunctions().InsertNewEventsFunction(
+            "MyObjectEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureObjectEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedObject);
+    auto &instruction = CreateNumberVariableSetterAction(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::RenameEventsBasedObjectProperty(
+        project, eventsExtension, eventsBasedObject, "MyProperty",
+        "MyRenamedProperty");
+
+    REQUIRE(instruction.GetParameter(0).GetPlainString() ==
+            "MyRenamedProperty");
+  }
+
+  SECTION("(Events based object) property renamed (in variable getter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedObject =
+        eventsExtension.GetEventsBasedObjects().Get("MyEventsBasedObject");
+
+    auto &behaviorAction =
+        eventsBasedObject.GetEventsFunctions().InsertNewEventsFunction(
+            "MyObjectEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureObjectEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedObject);
+    auto &instruction = CreateNumberVariableGetterCondition(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::RenameEventsBasedObjectProperty(
+        project, eventsExtension, eventsBasedObject, "MyProperty",
+        "MyRenamedProperty");
+
+    REQUIRE(instruction.GetParameter(0).GetPlainString() ==
+            "MyRenamedProperty");
+  }
+
   SECTION("(Events based object) property not renamed (in variable parameter)") {
     gd::Project project;
     gd::Platform platform;
@@ -3566,6 +3939,52 @@ TEST_CASE("WholeProjectRefactorer", "[common]") {
     REQUIRE(instruction2.GetParameter(0).GetPlainString() ==
             "MyExtension::GetVariableAsNumber(MyProperty)");
   }
+
+  SECTION("(Events based object) property type changed (in variable setter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedObject =
+        eventsExtension.GetEventsBasedObjects().Get("MyEventsBasedObject");
+
+    auto &behaviorAction =
+        eventsBasedObject.GetEventsFunctions().InsertNewEventsFunction(
+            "MyObjectEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureObjectEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedObject);
+    // The property was of type "string".
+    auto &instruction = CreateStringVariableSetterAction(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::ChangeEventsBasedObjectPropertyType(
+        project, eventsExtension, eventsBasedObject, "MyProperty");
+
+    REQUIRE(instruction.GetType() == "SetNumberVariable");
+  }
+
+  SECTION("(Events based object) property type changed (in variable getter)") {
+    gd::Project project;
+    gd::Platform platform;
+    SetupProjectWithDummyPlatform(project, platform);
+    auto &eventsExtension = SetupProjectWithEventsFunctionExtension(project);
+    auto &eventsBasedObject =
+        eventsExtension.GetEventsBasedObjects().Get("MyEventsBasedObject");
+
+    auto &behaviorAction =
+        eventsBasedObject.GetEventsFunctions().InsertNewEventsFunction(
+            "MyObjectEventsFunction", 0);
+    gd::WholeProjectRefactorer::EnsureObjectEventsFunctionsProperParameters(
+        eventsExtension, eventsBasedObject);
+    // The property was of type "string".
+    auto &instruction = CreateStringVariableGetterCondition(
+        project, behaviorAction.GetEvents(), "MyProperty", "123");
+
+    gd::WholeProjectRefactorer::ChangeEventsBasedObjectPropertyType(
+        project, eventsExtension, eventsBasedObject, "MyProperty");
+
+    REQUIRE(instruction.GetType() == "NumberVariable");
+  }
 }
 // TODO: Check that this works when behaviors are attached to a child-object.
 TEST_CASE("WholeProjectRefactorer (FindInvalidRequiredBehaviorProperties)",

Extensions/3D/A_RuntimeObject3D.ts

@@ -1,15 +1,4 @@
 namespace gdjs {
-  export interface Object3DDataContent {
-    width: float;
-    height: float;
-    depth: float;
-  }
-  /** Base parameters for {@link gdjs.RuntimeObject3D} */
-  export interface Object3DData extends ObjectData {
-    /** The base parameters of the RuntimeObject3D */
-    content: Object3DDataContent;
-  }
-
   const getValidDimensionValue = (value: float | undefined) =>
     value === undefined ? 100 : value <= 0 ? 1 : value;
 
@@ -35,11 +24,8 @@ namespace gdjs {
    */
   export abstract class RuntimeObject3D
     extends gdjs.RuntimeObject
-    implements
-      gdjs.Resizable,
-      gdjs.Scalable,
-      gdjs.Flippable,
-      gdjs.Base3DHandler {
+    implements gdjs.Resizable, gdjs.Scalable, gdjs.Flippable, gdjs.Base3DHandler
+  {
     /**
      * Position on the Z axis.
      */
@@ -84,7 +70,7 @@ namespace gdjs {
 
     constructor(
       instanceContainer: gdjs.RuntimeInstanceContainer,
-      objectData: Object3DData
+      objectData: gdjs.Object3DData
     ) {
       super(instanceContainer, objectData);
       // TODO Should 0 be replaced by 0.01 instead of using the default value?

Extensions/3D/Base3DBehavior.ts

@@ -117,6 +117,17 @@ namespace gdjs {
     getUnrotatedAABBMaxZ(): number;
   }
 
+  export interface Object3DDataContent {
+    width: float;
+    height: float;
+    depth: float;
+  }
+  /** Base parameters for {@link gdjs.RuntimeObject3D} */
+  export interface Object3DData extends ObjectData {
+    /** The base parameters of the RuntimeObject3D */
+    content: Object3DDataContent;
+  }
+
   export namespace Base3DHandler {
     export const is3D = (
       object: gdjs.RuntimeObject
@@ -131,7 +142,8 @@ namespace gdjs {
    */
   export class Base3DBehavior
     extends gdjs.RuntimeBehavior
-    implements Base3DHandler {
+    implements Base3DHandler
+  {
     private object: gdjs.RuntimeObject & Base3DHandler;
 
     constructor(

Extensions/3D/Cube3DRuntimeObject.ts

@@ -3,31 +3,31 @@ namespace gdjs {
   export interface Cube3DObjectData extends Object3DData {
     /** The base parameters of the Cube3D object */
     content: Object3DDataContent & {
-      enableTextureTransparency: boolean;
-      facesOrientation: 'Y' | 'Z';
+      enableTextureTransparency: boolean | undefined;
+      facesOrientation: 'Y' | 'Z' | undefined;
       frontFaceResourceName: string;
       backFaceResourceName: string;
-      backFaceUpThroughWhichAxisRotation: 'X' | 'Y';
+      backFaceUpThroughWhichAxisRotation: 'X' | 'Y' | undefined;
       leftFaceResourceName: string;
       rightFaceResourceName: string;
       topFaceResourceName: string;
       bottomFaceResourceName: string;
-      frontFaceResourceRepeat: boolean;
-      backFaceResourceRepeat: boolean;
-      leftFaceResourceRepeat: boolean;
-      rightFaceResourceRepeat: boolean;
-      topFaceResourceRepeat: boolean;
-      bottomFaceResourceRepeat: boolean;
+      frontFaceResourceRepeat: boolean | undefined;
+      backFaceResourceRepeat: boolean | undefined;
+      leftFaceResourceRepeat: boolean | undefined;
+      rightFaceResourceRepeat: boolean | undefined;
+      topFaceResourceRepeat: boolean | undefined;
+      bottomFaceResourceRepeat: boolean | undefined;
       frontFaceVisible: boolean;
       backFaceVisible: boolean;
       leftFaceVisible: boolean;
       rightFaceVisible: boolean;
       topFaceVisible: boolean;
       bottomFaceVisible: boolean;
+      tint: string | undefined;
       materialType: 'Basic' | 'StandardWithoutMetalness';
     };
   }
-
   type FaceName = 'front' | 'back' | 'left' | 'right' | 'top' | 'bottom';
   const faceNameToBitmaskIndex = {
     front: 0,
@@ -45,6 +45,7 @@ namespace gdjs {
     trfb: integer;
     frn: [string, string, string, string, string, string];
     mt: number;
+    tint: string;
   };
 
   type Cube3DObjectNetworkSyncData = Object3DNetworkSyncData &
@@ -67,10 +68,11 @@ namespace gdjs {
       string,
       string,
       string,
-      string
+      string,
     ];
     _materialType: gdjs.Cube3DRuntimeObject.MaterialType =
       gdjs.Cube3DRuntimeObject.MaterialType.Basic;
+    _tint: string;
 
     constructor(
       instanceContainer: gdjs.RuntimeInstanceContainer,
@@ -117,6 +119,9 @@ namespace gdjs {
         objectData.content.topFaceResourceName,
         objectData.content.bottomFaceResourceName,
       ];
+
+      this._tint = objectData.content.tint || '255;255;255';
+
       this._materialType = this._convertMaterialType(
         objectData.content.materialType
       );
@@ -134,7 +139,7 @@ namespace gdjs {
      * Sets the visibility of a face of the 3D box.
      *
      * @param faceName - The name of the face to set visibility for.
-     * @param value - The visibility value to set.
+     * @param enable - The visibility value to set.
      */
     setFaceVisibility(faceName: FaceName, enable: boolean) {
       const faceIndex = faceNameToBitmaskIndex[faceName];
@@ -157,7 +162,7 @@ namespace gdjs {
      * Sets the texture repeat of a face of the 3D box.
      *
      * @param faceName - The name of the face to set visibility for.
-     * @param value - The visibility value to set.
+     * @param enable - The visibility value to set.
      */
     setRepeatTextureOnFace(faceName: FaceName, enable: boolean) {
       const faceIndex = faceNameToBitmaskIndex[faceName];
@@ -203,11 +208,22 @@ namespace gdjs {
       if (this._faceResourceNames[faceIndex] === resourceName) {
         return;
       }
-
       this._faceResourceNames[faceIndex] = resourceName;
       this._renderer.updateFace(faceIndex);
     }
 
+    setColor(tint: string): void {
+      if (this._tint === tint) {
+        return;
+      }
+      this._tint = tint;
+      this._renderer.updateTint();
+    }
+
+    getColor(): string {
+      return this._tint;
+    }
+
     /** @internal */
     getFaceAtIndexResourceName(faceIndex: integer): string {
       return this._faceResourceNames[faceIndex];
@@ -291,6 +307,10 @@ namespace gdjs {
           newObjectData.content.frontFaceResourceName
         );
       }
+      if (oldObjectData.content.tint !== newObjectData.content.tint) {
+        this.setColor(newObjectData.content.tint || '255;255;255');
+      }
+
       if (
         oldObjectData.content.backFaceResourceName !==
         newObjectData.content.backFaceResourceName
@@ -342,7 +362,7 @@ namespace gdjs {
       ) {
         this.setRepeatTextureOnFace(
           'front',
-          newObjectData.content.frontFaceResourceRepeat
+          newObjectData.content.frontFaceResourceRepeat || false
         );
       }
       if (
@@ -351,7 +371,7 @@ namespace gdjs {
       ) {
         this.setRepeatTextureOnFace(
           'back',
-          newObjectData.content.backFaceResourceRepeat
+          newObjectData.content.backFaceResourceRepeat || false
         );
       }
       if (
@@ -360,7 +380,7 @@ namespace gdjs {
       ) {
         this.setRepeatTextureOnFace(
           'left',
-          newObjectData.content.leftFaceResourceRepeat
+          newObjectData.content.leftFaceResourceRepeat || false
         );
       }
       if (
@@ -369,7 +389,7 @@ namespace gdjs {
       ) {
         this.setRepeatTextureOnFace(
           'right',
-          newObjectData.content.rightFaceResourceRepeat
+          newObjectData.content.rightFaceResourceRepeat || false
         );
       }
       if (
@@ -378,7 +398,7 @@ namespace gdjs {
       ) {
         this.setRepeatTextureOnFace(
           'top',
-          newObjectData.content.topFaceResourceRepeat
+          newObjectData.content.topFaceResourceRepeat || false
         );
       }
       if (
@@ -387,7 +407,7 @@ namespace gdjs {
       ) {
         this.setRepeatTextureOnFace(
           'bottom',
-          newObjectData.content.bottomFaceResourceRepeat
+          newObjectData.content.bottomFaceResourceRepeat || false
         );
       }
       if (
@@ -395,14 +415,14 @@ namespace gdjs {
         newObjectData.content.backFaceUpThroughWhichAxisRotation
       ) {
         this.setBackFaceUpThroughWhichAxisRotation(
-          newObjectData.content.backFaceUpThroughWhichAxisRotation
+          newObjectData.content.backFaceUpThroughWhichAxisRotation || 'X'
         );
       }
       if (
         oldObjectData.content.facesOrientation !==
         newObjectData.content.facesOrientation
       ) {
-        this.setFacesOrientation(newObjectData.content.facesOrientation);
+        this.setFacesOrientation(newObjectData.content.facesOrientation || 'Y');
       }
       if (
         oldObjectData.content.materialType !==
@@ -423,6 +443,7 @@ namespace gdjs {
         vfb: this._visibleFacesBitmask,
         trfb: this._textureRepeatFacesBitmask,
         frn: this._faceResourceNames,
+        tint: this._tint,
       };
     }
 
@@ -476,6 +497,12 @@ namespace gdjs {
           }
         }
       }
+      if (networkSyncData.tint !== undefined) {
+        if (this._tint !== networkSyncData.tint) {
+          this._tint = networkSyncData.tint;
+          this._renderer.updateTint();
+        }
+      }
     }
 
     /**

Extensions/3D/Cube3DRuntimeObjectPixiRenderer.ts

@@ -74,15 +74,13 @@ namespace gdjs {
       instanceContainer: gdjs.RuntimeInstanceContainer
     ) {
       const geometry = new THREE.BoxGeometry(1, 1, 1);
-      // TODO (3D) - feature: support color instead of texture?
-      const materials = [
-        getFaceMaterial(runtimeObject, materialIndexToFaceIndex[0]),
-        getFaceMaterial(runtimeObject, materialIndexToFaceIndex[1]),
-        getFaceMaterial(runtimeObject, materialIndexToFaceIndex[2]),
-        getFaceMaterial(runtimeObject, materialIndexToFaceIndex[3]),
-        getFaceMaterial(runtimeObject, materialIndexToFaceIndex[4]),
-        getFaceMaterial(runtimeObject, materialIndexToFaceIndex[5]),
-      ];
+
+      const materials: THREE.Material[] = new Array(6)
+        .fill(0)
+        .map((_, index) =>
+          getFaceMaterial(runtimeObject, materialIndexToFaceIndex[index])
+        );
+
       const boxMesh = new THREE.Mesh(geometry, materials);
 
       super(runtimeObject, instanceContainer, boxMesh);
@@ -92,6 +90,28 @@ namespace gdjs {
       this.updateSize();
       this.updatePosition();
       this.updateRotation();
+      this.updateTint();
+    }
+
+    updateTint() {
+      const tints: number[] = [];
+
+      const normalizedTint = gdjs
+        .rgbOrHexToRGBColor(this._cube3DRuntimeObject.getColor())
+        .map((component) => component / 255);
+
+      for (
+        let i = 0;
+        i < this._boxMesh.geometry.attributes.position.count;
+        i++
+      ) {
+        tints.push(...normalizedTint);
+      }
+
+      this._boxMesh.geometry.setAttribute(
+        'color',
+        new THREE.BufferAttribute(new Float32Array(tints), 3)
+      );
     }
 
     updateFace(faceIndex: integer) {
@@ -121,13 +141,11 @@ namespace gdjs {
      */
     updateTextureUvMapping(faceIndex?: number) {
       // @ts-ignore - position is stored as a Float32BufferAttribute
-      const pos: THREE.BufferAttribute = this._boxMesh.geometry.getAttribute(
-        'position'
-      );
+      const pos: THREE.BufferAttribute =
+        this._boxMesh.geometry.getAttribute('position');
       // @ts-ignore - uv is stored as a Float32BufferAttribute
-      const uvMapping: THREE.BufferAttribute = this._boxMesh.geometry.getAttribute(
-        'uv'
-      );
+      const uvMapping: THREE.BufferAttribute =
+        this._boxMesh.geometry.getAttribute('uv');
       const startIndex =
         faceIndex === undefined ? 0 : faceIndexToMaterialIndex[faceIndex] * 4;
       const endIndex =
@@ -149,9 +167,10 @@ namespace gdjs {
           continue;
         }
 
-        const shouldRepeatTexture = this._cube3DRuntimeObject.shouldRepeatTextureOnFaceAtIndex(
-          materialIndexToFaceIndex[materialIndex]
-        );
+        const shouldRepeatTexture =
+          this._cube3DRuntimeObject.shouldRepeatTextureOnFaceAtIndex(
+            materialIndexToFaceIndex[materialIndex]
+          );
 
         const shouldOrientateFacesTowardsY =
           this._cube3DRuntimeObject.getFacesOrientation() === 'Y';
@@ -180,12 +199,10 @@ namespace gdjs {
               if (shouldOrientateFacesTowardsY) {
                 [x, y] = noRepeatTextureVertexIndexToUvMapping[vertexIndex % 4];
               } else {
-                [
-                  x,
-                  y,
-                ] = noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
-                  vertexIndex % 4
-                ];
+                [x, y] =
+                  noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
+                    vertexIndex % 4
+                  ];
               }
             }
             break;
@@ -211,12 +228,10 @@ namespace gdjs {
               if (shouldOrientateFacesTowardsY) {
                 [x, y] = noRepeatTextureVertexIndexToUvMapping[vertexIndex % 4];
               } else {
-                [
-                  x,
-                  y,
-                ] = noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
-                  vertexIndex % 4
-                ];
+                [x, y] =
+                  noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
+                    vertexIndex % 4
+                  ];
                 x = -x;
                 y = -y;
               }

Extensions/3D/CustomRuntimeObject3D.ts

@@ -1,21 +1,11 @@
 namespace gdjs {
-  export interface Object3DDataContent {
-    width: float;
-    height: float;
-    depth: float;
-  }
-  /** Base parameters for {@link gdjs.RuntimeObject3D} */
-  export interface Object3DData extends ObjectData {
-    /** The base parameters of the RuntimeObject3D */
-    content: Object3DDataContent;
-  }
-
   /**
    * Base class for 3D custom objects.
    */
   export class CustomRuntimeObject3D
     extends gdjs.CustomRuntimeObject
-    implements gdjs.Base3DHandler {
+    implements gdjs.Base3DHandler
+  {
     /**
      * Position on the Z axis.
      */
@@ -41,13 +31,13 @@ namespace gdjs {
 
     constructor(
       parent: gdjs.RuntimeInstanceContainer,
-      objectData: Object3DData & CustomObjectConfiguration
+      objectData: gdjs.Object3DData & gdjs.CustomObjectConfiguration
     ) {
       super(parent, objectData);
       this._renderer.reinitialize(this, parent);
     }
 
-    protected _createRender() {
+    protected override _createRender() {
       const parent = this._runtimeScene;
       return new gdjs.CustomRuntimeObject3DRenderer(
         this,
@@ -56,21 +46,23 @@ namespace gdjs {
       );
     }
 
-    protected _reinitializeRenderer(): void {
+    protected override _reinitializeRenderer(): void {
       this.getRenderer().reinitialize(this, this.getParent());
     }
 
-    getRenderer(): gdjs.CustomRuntimeObject3DRenderer {
+    override getRenderer(): gdjs.CustomRuntimeObject3DRenderer {
       return super.getRenderer() as gdjs.CustomRuntimeObject3DRenderer;
     }
 
-    get3DRendererObject() {
+    override get3DRendererObject() {
       // It can't be null because Three.js is always loaded
       // when a custom 3D object is used.
       return this.getRenderer().get3DRendererObject()!;
     }
 
-    extraInitializationFromInitialInstance(initialInstanceData: InstanceData) {
+    override extraInitializationFromInitialInstance(
+      initialInstanceData: InstanceData
+    ) {
       super.extraInitializationFromInitialInstance(initialInstanceData);
       if (initialInstanceData.depth !== undefined) {
         this.setDepth(initialInstanceData.depth);
@@ -292,7 +284,7 @@ namespace gdjs {
       return this._maxZ - this._minZ;
     }
 
-    _updateUntransformedHitBoxes(): void {
+    override _updateUntransformedHitBoxes(): void {
       super._updateUntransformedHitBoxes();
 
       let minZ = Number.MAX_VALUE;

Extensions/3D/CustomRuntimeObject3DRenderer.ts

@@ -6,7 +6,8 @@ namespace gdjs {
    * The renderer for a {@link gdjs.CustomRuntimeObject3D} using Three.js.
    */
   export class CustomRuntimeObject3DRenderer
-    implements gdjs.RuntimeInstanceContainerRenderer {
+    implements gdjs.RuntimeInstanceContainerRenderer
+  {
     _object: gdjs.CustomRuntimeObject3D;
     _instanceContainer: gdjs.CustomRuntimeObjectInstanceContainer;
     _isContainerDirty: boolean = true;
@@ -139,16 +140,16 @@ namespace gdjs {
       imageManager: gdjs.PixiImageManager
     ): ThreeAnimationFrameTextureManager {
       if (!imageManager._threeAnimationFrameTextureManager) {
-        imageManager._threeAnimationFrameTextureManager = new ThreeAnimationFrameTextureManager(
-          imageManager
-        );
+        imageManager._threeAnimationFrameTextureManager =
+          new ThreeAnimationFrameTextureManager(imageManager);
       }
       return imageManager._threeAnimationFrameTextureManager;
     }
   }
 
   class ThreeAnimationFrameTextureManager
-    implements gdjs.AnimationFrameTextureManager<THREE.Material> {
+    implements gdjs.AnimationFrameTextureManager<THREE.Material>
+  {
     private _imageManager: gdjs.PixiImageManager;
 
     constructor(imageManager: gdjs.PixiImageManager) {
@@ -163,16 +164,16 @@ namespace gdjs {
     }
 
     getAnimationFrameWidth(material: THREE.Material) {
-      const map = (material as
-        | THREE.MeshBasicMaterial
-        | THREE.MeshStandardMaterial).map;
+      const map = (
+        material as THREE.MeshBasicMaterial | THREE.MeshStandardMaterial
+      ).map;
       return map ? map.image.width : 0;
     }
 
     getAnimationFrameHeight(material: THREE.Material) {
-      const map = (material as
-        | THREE.MeshBasicMaterial
-        | THREE.MeshStandardMaterial).map;
+      const map = (
+        material as THREE.MeshBasicMaterial | THREE.MeshStandardMaterial
+      ).map;
       return map ? map.image.height : 0;
     }
   }

Extensions/3D/JsExtension.js

@@ -69,7 +69,7 @@ module.exports = {
           _('Center Z position'),
           _('the Z position of the center of rotation'),
           _('the Z position of the center'),
-          _('Position/Center'),
+          _('Position ❯ Center'),
           'res/conditions/3d_box.svg'
         )
         .addParameter('object', _('3D object'), '', false)
@@ -800,6 +800,20 @@ module.exports = {
         .markAsSimple()
         .setHidden()
         .setFunctionName('hasAnimationEnded');
+
+      object
+        .addScopedAction(
+          'SetCrossfadeDuration',
+          _('Set crossfade duration'),
+          _('Set the crossfade duration when switching to a new animation.'),
+          _('Set crossfade duration of _PARAM0_ to _PARAM1_ seconds'),
+          _('Animations and images'),
+          'res/conditions/animation24.png',
+          'res/conditions/animation.png'
+        )
+        .addParameter('object', _('3D model'), 'Model3DObject', false)
+        .addParameter('number', _('Crossfade duration (in seconds)'), '', false)
+        .setFunctionName('setCrossfadeDuration');
     }
 
     const Cube3DObject = new gd.ObjectJsImplementation();
@@ -822,7 +836,8 @@ module.exports = {
         propertyName === 'bottomFaceResourceName' ||
         propertyName === 'backFaceUpThroughWhichAxisRotation' ||
         propertyName === 'facesOrientation' ||
-        propertyName === 'materialType'
+        propertyName === 'materialType' ||
+        propertyName === 'tint'
       ) {
         objectContent[propertyName] = newValue;
         return true;
@@ -902,6 +917,12 @@ module.exports = {
         .setLabel(_('Depth'))
         .setMeasurementUnit(gd.MeasurementUnit.getPixel())
         .setGroup(_('Default size'));
+      objectProperties
+        .getOrCreate('tint')
+        .setValue(objectContent.tint || '255;255;255')
+        .setType('Color')
+        .setLabel(_('Tint'))
+        .setGroup(_('Texture'));
 
       objectProperties
         .getOrCreate('frontFaceResourceName')
@@ -1092,6 +1113,7 @@ module.exports = {
       topFaceResourceRepeat: false,
       bottomFaceResourceRepeat: false,
       materialType: 'Basic',
+      tint: '255;255;255',
     };
 
     Cube3DObject.updateInitialInstanceProperty = function (
@@ -1568,6 +1590,21 @@ module.exports = {
       .addParameter('imageResource', _('Image'), '', false)
       .setFunctionName('setFaceResourceName');
 
+    object
+      .addScopedAction(
+        'SetTint',
+        _('Tint color'),
+        _('Change the tint of the cube.'),
+        _('Change the tint of _PARAM0_ to _PARAM1_'),
+        _('Effects'),
+        'res/actions/color24.png',
+        'res/actions/color.png'
+      )
+      .addParameter('object', _('3D Cube'), 'Cube3DObject', false)
+      .addParameter('color', _('Tint'), '', false)
+      .getCodeExtraInformation()
+      .setFunctionName('setColor');
+
     extension
       .addExpressionAndConditionAndAction(
         'number',
@@ -2062,6 +2099,10 @@ module.exports = {
       3: [1, 0],
     };
 
+    /**
+     * @param {*} objectConfiguration
+     * @returns {string | null}
+     */
     const getFirstVisibleFaceResourceName = (objectConfiguration) => {
       const object = gd.castObject(
         objectConfiguration,
@@ -2090,25 +2131,44 @@ module.exports = {
       return null;
     };
 
+    /** @type {THREE.MeshBasicMaterial | null} */
     let transparentMaterial = null;
+    /**
+     * @returns {THREE.MeshBasicMaterial}
+     */
     const getTransparentMaterial = () => {
-      if (!transparentMaterial)
-        transparentMaterial = new THREE.MeshBasicMaterial({
-          transparent: true,
-          opacity: 0,
-          // Set the alpha test to to ensure the faces behind are rendered
-          // (no "back face culling" that would still be done if alphaTest is not set).
-          alphaTest: 1,
-        });
-
-      return transparentMaterial;
+      if (transparentMaterial) {
+        return transparentMaterial;
+      }
+      const newTransparentMaterial = new THREE.MeshBasicMaterial({
+        transparent: true,
+        opacity: 0,
+        // Set the alpha test to to ensure the faces behind are rendered
+        // (no "back face culling" that would still be done if alphaTest is not set).
+        alphaTest: 1,
+      });
+      transparentMaterial = newTransparentMaterial;
+      return newTransparentMaterial;
     };
 
     class RenderedCube3DObject2DInstance extends RenderedInstance {
+      /** @type {number} */
+      _defaultWidth;
+      /** @type {number} */
+      _defaultHeight;
+      /** @type {number} */
+      _defaultDepth;
       /** @type {number} */
       _centerX = 0;
       /** @type {number} */
       _centerY = 0;
+      /**
+       * The name of the resource that is rendered.
+       * If no face is visible, this will be null.
+       * @type {string | null | undefined}
+       */
+      _renderedResourceName = undefined;
+      _renderFallbackObject = false;
 
       constructor(
         project,
@@ -2124,11 +2184,6 @@ module.exports = {
           pixiContainer,
           pixiResourcesLoader
         );
-
-        // Name of the resource that is rendered.
-        // If no face is visible, this will be null.
-        this._renderedResourceName = undefined;
-
         const object = gd.castObject(
           this._associatedObjectConfiguration,
           gd.ObjectJsImplementation
@@ -2145,7 +2200,6 @@ module.exports = {
         this._pixiObject.addChild(this._pixiTexturedObject);
         this._pixiObject.addChild(this._pixiFallbackObject);
         this._pixiContainer.addChild(this._pixiObject);
-        this._renderFallbackObject = false;
         this.updateTexture();
       }
 
@@ -2160,9 +2214,10 @@ module.exports = {
       }
 
       static getThumbnail(project, resourcesLoader, objectConfiguration) {
-        const textureResourceName = RenderedCube3DObject2DInstance._getResourceNameToDisplay(
-          objectConfiguration
-        );
+        const textureResourceName =
+          RenderedCube3DObject2DInstance._getResourceNameToDisplay(
+            objectConfiguration
+          );
         if (textureResourceName) {
           return resourcesLoader.getResourceFullUrl(
             project,
@@ -2174,18 +2229,20 @@ module.exports = {
       }
 
       updateTextureIfNeeded() {
-        const textureName = RenderedCube3DObject2DInstance._getResourceNameToDisplay(
-          this._associatedObjectConfiguration
-        );
+        const textureName =
+          RenderedCube3DObject2DInstance._getResourceNameToDisplay(
+            this._associatedObjectConfiguration
+          );
         if (textureName === this._renderedResourceName) return;
 
         this.updateTexture();
       }
 
       updateTexture() {
-        const textureName = RenderedCube3DObject2DInstance._getResourceNameToDisplay(
-          this._associatedObjectConfiguration
-        );
+        const textureName =
+          RenderedCube3DObject2DInstance._getResourceNameToDisplay(
+            this._associatedObjectConfiguration
+          );
 
         if (!textureName) {
           this._renderFallbackObject = true;
@@ -2308,6 +2365,17 @@ module.exports = {
     }
 
     class RenderedCube3DObject3DInstance extends Rendered3DInstance {
+      _defaultWidth = 1;
+      _defaultHeight = 1;
+      _defaultDepth = 1;
+      _faceResourceNames = new Array(6).fill(null);
+      _faceVisibilities = new Array(6).fill(null);
+      _shouldRepeatTextureOnFace = new Array(6).fill(null);
+      _facesOrientation = 'Y';
+      _backFaceUpThroughWhichAxisRotation = 'X';
+      _shouldUseTransparentTexture = false;
+      _tint = '';
+
       constructor(
         project,
         instance,
@@ -2324,21 +2392,9 @@ module.exports = {
           threeGroup,
           pixiResourcesLoader
         );
-
-        this._defaultWidth = 1;
-        this._defaultHeight = 1;
-        this._defaultDepth = 1;
-
         this._pixiObject = new PIXI.Graphics();
         this._pixiContainer.addChild(this._pixiObject);
 
-        this._faceResourceNames = ['', '', '', '', '', ''];
-        this._faceVisibilities = [true, true, true, true, true, true];
-        this._shouldRepeatTextureOnFace = [true, true, true, true, true, true];
-        this._facesOrientation = 'Y';
-        this._backFaceUpThroughWhichAxisRotation = 'X';
-        this._shouldUseTransparentTexture = false;
-
         const geometry = new THREE.BoxGeometry(1, 1, 1);
         const materials = [
           getTransparentMaterial(),
@@ -2357,8 +2413,9 @@ module.exports = {
 
       async _updateThreeObjectMaterials() {
         const getFaceMaterial = async (project, faceIndex) => {
-          if (!this._faceVisibilities[faceIndex])
+          if (!this._faceVisibilities[faceIndex]) {
             return getTransparentMaterial();
+          }
 
           return await this._pixiResourcesLoader.getThreeMaterial(
             project,
@@ -2389,11 +2446,35 @@ module.exports = {
         this._updateTextureUvMapping();
       }
 
+      _updateTint() {
+        const tints = [];
+        const normalizedTint = objectsRenderingService
+          .hexNumberToRGBArray(
+            objectsRenderingService.rgbOrHexToHexNumber(this._tint)
+          )
+          .map((component) => component / 255);
+
+        for (
+          let i = 0;
+          i < this._threeObject.geometry.attributes.position.count;
+          i++
+        ) {
+          tints.push(...normalizedTint);
+        }
+
+        this._threeObject.geometry.setAttribute(
+          'color',
+          new THREE.BufferAttribute(new Float32Array(tints), 3)
+        );
+      }
+
       static _getResourceNameToDisplay(objectConfiguration) {
         return getFirstVisibleFaceResourceName(objectConfiguration);
       }
 
       updateThreeObject() {
+        /** @type {gdjs.Cube3DObjectData} */
+        //@ts-ignore This works because the properties are set to `content` in JavaScript.
         const object = gd.castObject(
           this._associatedObjectConfiguration,
           gd.ObjectJsImplementation
@@ -2421,13 +2502,19 @@ module.exports = {
 
         let materialsDirty = false;
         let uvMappingDirty = false;
+        let tintDirty = false;
 
         const shouldUseTransparentTexture =
-          object.content.enableTextureTransparency;
+          object.content.enableTextureTransparency || false;
         if (this._shouldUseTransparentTexture !== shouldUseTransparentTexture) {
           this._shouldUseTransparentTexture = shouldUseTransparentTexture;
           materialsDirty = true;
         }
+        const tint = object.content.tint || '255;255;255';
+        if (this._tint !== tint) {
+          this._tint = tint;
+          tintDirty = true;
+        }
 
         const faceResourceNames = [
           object.content.frontFaceResourceName,
@@ -2471,12 +2558,12 @@ module.exports = {
         }
 
         const shouldRepeatTextureOnFace = [
-          object.content.frontFaceResourceRepeat,
-          object.content.backFaceResourceRepeat,
-          object.content.leftFaceResourceRepeat,
-          object.content.rightFaceResourceRepeat,
-          object.content.topFaceResourceRepeat,
-          object.content.bottomFaceResourceRepeat,
+          object.content.frontFaceResourceRepeat || false,
+          object.content.backFaceResourceRepeat || false,
+          object.content.leftFaceResourceRepeat || false,
+          object.content.rightFaceResourceRepeat || false,
+          object.content.topFaceResourceRepeat || false,
+          object.content.bottomFaceResourceRepeat || false,
         ];
         if (
           this._shouldRepeatTextureOnFace[0] !== shouldRepeatTextureOnFace[0] ||
@@ -2491,16 +2578,17 @@ module.exports = {
         }
 
         const backFaceUpThroughWhichAxisRotation =
-          object.content.backFaceUpThroughWhichAxisRotation;
+          object.content.backFaceUpThroughWhichAxisRotation || 'X';
         if (
           backFaceUpThroughWhichAxisRotation !==
           this._backFaceUpThroughWhichAxisRotation
         ) {
-          this._backFaceUpThroughWhichAxisRotation = backFaceUpThroughWhichAxisRotation;
+          this._backFaceUpThroughWhichAxisRotation =
+            backFaceUpThroughWhichAxisRotation;
           uvMappingDirty = true;
         }
 
-        const facesOrientation = object.content.facesOrientation;
+        const facesOrientation = object.content.facesOrientation || 'Y';
         if (facesOrientation !== this._facesOrientation) {
           this._facesOrientation = facesOrientation;
           uvMappingDirty = true;
@@ -2520,6 +2608,7 @@ module.exports = {
 
         if (materialsDirty) this._updateThreeObjectMaterials();
         if (uvMappingDirty) this._updateTextureUvMapping();
+        if (tintDirty) this._updateTint();
       }
 
       /**
@@ -2529,11 +2618,11 @@ module.exports = {
        * for the method to work.
        */
       _updateTextureUvMapping() {
+        /** @type {THREE.BufferAttribute} */
         // @ts-ignore - position is stored as a Float32BufferAttribute
-        /** @type {THREE.BufferAttribute} */
         const pos = this._threeObject.geometry.getAttribute('position');
-        // @ts-ignore - uv is stored as a Float32BufferAttribute
         /** @type {THREE.BufferAttribute} */
+        // @ts-ignore - uv is stored as a Float32BufferAttribute
         const uvMapping = this._threeObject.geometry.getAttribute('uv');
         const startIndex = 0;
         const endIndex = 23;
@@ -2552,9 +2641,10 @@ module.exports = {
             continue;
           }
 
-          const shouldRepeatTexture = this._shouldRepeatTextureOnFace[
-            materialIndexToFaceIndex[materialIndex]
-          ];
+          const shouldRepeatTexture =
+            this._shouldRepeatTextureOnFace[
+              materialIndexToFaceIndex[materialIndex]
+            ];
 
           const shouldOrientateFacesTowardsY = this._facesOrientation === 'Y';
 
@@ -2589,16 +2679,13 @@ module.exports = {
                 }
               } else {
                 if (shouldOrientateFacesTowardsY) {
-                  [x, y] = noRepeatTextureVertexIndexToUvMapping[
-                    vertexIndex % 4
-                  ];
+                  [x, y] =
+                    noRepeatTextureVertexIndexToUvMapping[vertexIndex % 4];
                 } else {
-                  [
-                    x,
-                    y,
-                  ] = noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
-                    vertexIndex % 4
-                  ];
+                  [x, y] =
+                    noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
+                      vertexIndex % 4
+                    ];
                 }
               }
               break;
@@ -2628,16 +2715,13 @@ module.exports = {
                 }
               } else {
                 if (shouldOrientateFacesTowardsY) {
-                  [x, y] = noRepeatTextureVertexIndexToUvMapping[
-                    vertexIndex % 4
-                  ];
+                  [x, y] =
+                    noRepeatTextureVertexIndexToUvMapping[vertexIndex % 4];
                 } else {
-                  [
-                    x,
-                    y,
-                  ] = noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
-                    vertexIndex % 4
-                  ];
+                  [x, y] =
+                    noRepeatTextureVertexIndexToUvMappingForLeftAndRightFacesTowardsZ[
+                      vertexIndex % 4
+                    ];
                   x = -x;
                   y = -y;
                 }
@@ -2786,6 +2870,19 @@ module.exports = {
     const epsilon = 1 / (1 << 16);
 
     class Model3DRendered2DInstance extends RenderedInstance {
+      /** @type {number} */
+      _defaultWidth;
+      /** @type {number} */
+      _defaultHeight;
+      /** @type {number} */
+      _defaultDepth;
+
+      /** @type {[number, number, number] | null} */
+      _originPoint;
+      /** @type {[number, number, number] | null} */
+      _centerPoint;
+
+      /** @type {[number, number, number]} */
       _modelOriginPoint = [0, 0, 0];
 
       constructor(
@@ -3028,10 +3125,15 @@ module.exports = {
       }
     }
 
+    /**
+     * @param {[number, number, number] | null} point1
+     * @param {[number, number, number] | null} point2
+     * @returns {boolean}
+     */
     const isSamePoint = (point1, point2) => {
-      if (!point1 && !point2) return true;
-      if (point1 && !point2) return false;
-      if (!point1 && point2) return false;
+      if (!!point1 !== !!point2) return false;
+      // At this point || or && doesn't matter and the type checking prefer ||.
+      if (!point1 || !point2) return true;
       return (
         point1[0] === point2[0] &&
         point1[1] === point2[1] &&
@@ -3039,6 +3141,10 @@ module.exports = {
       );
     };
 
+    /**
+     * @param {string} location
+     * @returns {[number, number, number] | null}
+     */
     const getPointForLocation = (location) => {
       switch (location) {
         case 'ModelOrigin':
@@ -3057,8 +3163,27 @@ module.exports = {
     };
 
     class Model3DRendered3DInstance extends Rendered3DInstance {
+      _defaultWidth = 1;
+      _defaultHeight = 1;
+      _defaultDepth = 1;
+      _originalWidth = 1;
+      _originalHeight = 1;
+      _originalDepth = 1;
+      _rotationX = 0;
+      _rotationY = 0;
+      _rotationZ = 0;
+      _keepAspectRatio = false;
+      /** @type {[number, number, number] | null} */
+      _originPoint = null;
+      /** @type {[number, number, number] | null} */
+      _centerPoint = null;
+
+      /** @type {[number, number, number]} */
       _modelOriginPoint = [0, 0, 0];
 
+      /** @type {THREE.Object3D | null} */
+      _clonedModel3D = null;
+
       constructor(
         project,
         instance,
@@ -3076,29 +3201,12 @@ module.exports = {
           pixiResourcesLoader
         );
 
-        this._defaultWidth = 1;
-        this._defaultHeight = 1;
-        this._defaultDepth = 1;
-        this._originalWidth = 1;
-        this._originalHeight = 1;
-        this._originalDepth = 1;
-        this._rotationX = 0;
-        this._rotationY = 0;
-        this._rotationZ = 0;
-        this._keepAspectRatio = false;
-
-        this._originPoint = null;
-        this._centerPoint = null;
-
         this._pixiObject = new PIXI.Graphics();
         this._pixiContainer.addChild(this._pixiObject);
 
         this._threeObject = new THREE.Group();
         this._threeObject.rotation.order = 'ZYX';
         this._threeGroup.add(this._threeObject);
-
-        this._threeModelGroup = null;
-        this._clonedModel3D = null;
       }
 
       getOriginX() {
@@ -3140,27 +3248,30 @@ module.exports = {
       }
 
       _updateDefaultTransformation() {
-        if (!this._clonedModel3D) return; // Model is not ready - nothing to do.
+        if (!this._clonedModel3D) {
+          // Model is not ready - nothing to do.
+          return;
+        }
 
         if (this._threeModelGroup) {
           // Remove any previous container as we will recreate it just below
           this._threeObject.clear();
         }
+
         // This group hold the rotation defined by properties.
         // Always restart from a new group to avoid miscomputing bounding boxes/sizes.
-        this._threeModelGroup = new THREE.Group();
-        this._threeModelGroup.rotation.order = 'ZYX';
-        this._threeModelGroup.add(this._clonedModel3D);
+        const threeModelGroup = new THREE.Group();
+        this._threeModelGroup = threeModelGroup;
+        threeModelGroup.rotation.order = 'ZYX';
+        threeModelGroup.add(this._clonedModel3D);
 
-        this._threeModelGroup.rotation.set(
+        threeModelGroup.rotation.set(
           (this._rotationX * Math.PI) / 180,
           (this._rotationY * Math.PI) / 180,
           (this._rotationZ * Math.PI) / 180
         );
-        this._threeModelGroup.updateMatrixWorld(true);
-        const boundingBox = new THREE.Box3().setFromObject(
-          this._threeModelGroup
-        );
+        threeModelGroup.updateMatrixWorld(true);
+        const boundingBox = new THREE.Box3().setFromObject(threeModelGroup);
 
         const shouldKeepModelOrigin = !this._originPoint;
         if (shouldKeepModelOrigin) {
@@ -3187,7 +3298,7 @@ module.exports = {
         // Center the model.
         const centerPoint = this._centerPoint;
         if (centerPoint) {
-          this._threeModelGroup.position.set(
+          threeModelGroup.position.set(
             -(boundingBox.min.x + modelWidth * centerPoint[0]),
             // The model is flipped on Y axis.
             -(boundingBox.min.y + modelHeight * (1 - centerPoint[1])),
@@ -3196,8 +3307,8 @@ module.exports = {
         }
 
         // Rotate the model.
-        this._threeModelGroup.scale.set(1, 1, 1);
-        this._threeModelGroup.rotation.set(
+        threeModelGroup.scale.set(1, 1, 1);
+        threeModelGroup.rotation.set(
           (this._rotationX * Math.PI) / 180,
           (this._rotationY * Math.PI) / 180,
           (this._rotationZ * Math.PI) / 180
@@ -3212,8 +3323,8 @@ module.exports = {
         // Flip on Y because the Y axis is on the opposite side of direct basis.
         // It avoids models to be like a mirror refection.
         scaleMatrix.makeScale(scaleX, -scaleY, scaleZ);
-        this._threeModelGroup.updateMatrix();
-        this._threeModelGroup.applyMatrix4(scaleMatrix);
+        threeModelGroup.updateMatrix();
+        threeModelGroup.applyMatrix4(scaleMatrix);
 
         if (this._keepAspectRatio) {
           // Reduce the object dimensions to keep aspect ratio.
@@ -3280,7 +3391,7 @@ module.exports = {
           this._defaultDepth = this._originalDepth;
         }
 
-        this._threeObject.add(this._threeModelGroup);
+        this._threeObject.add(threeModelGroup);
       }
 
       updateThreeObject() {

Extensions/3D/Model3DObjectConfiguration.cpp

@@ -23,7 +23,7 @@ Model3DObjectConfiguration::Model3DObjectConfiguration()
     : width(100), height(100), depth(100), rotationX(0), rotationY(0),
       rotationZ(0), modelResourceName(""), materialType("StandardWithoutMetalness"),
       originLocation("ModelOrigin"), centerLocation("ModelOrigin"),
-      keepAspectRatio(true) {}
+      keepAspectRatio(true), crossfadeDuration(0.1f) {}
 
 bool Model3DObjectConfiguration::UpdateProperty(const gd::String &propertyName,
                                                 const gd::String &newValue) {
@@ -71,6 +71,10 @@ bool Model3DObjectConfiguration::UpdateProperty(const gd::String &propertyName,
     keepAspectRatio = newValue == "1";
     return true;
   }
+  if(propertyName == "crossfadeDuration") {
+    crossfadeDuration = newValue.To<double>();
+    return true;
+  }
 
   return false;
 }
@@ -167,6 +171,13 @@ Model3DObjectConfiguration::GetProperties() const {
       .SetGroup(_("Points"))
       .SetAdvanced(true);
 
+  objectProperties["crossfadeDuration"]
+      .SetValue(gd::String::From(crossfadeDuration))
+      .SetType("number")
+      .SetLabel(_("Crossfade duration"))
+      .SetGroup(_("Animations"))
+      .SetMeasurementUnit(gd::MeasurementUnit::GetSecond());
+
   return objectProperties;
 }
 
@@ -198,6 +209,7 @@ void Model3DObjectConfiguration::DoUnserializeFrom(
   originLocation = content.GetStringAttribute("originLocation");
   centerLocation = content.GetStringAttribute("centerLocation");
   keepAspectRatio = content.GetBoolAttribute("keepAspectRatio");
+  crossfadeDuration = content.GetDoubleAttribute("crossfadeDuration");
 
   RemoveAllAnimations();
   auto &animationsElement = content.GetChild("animations");
@@ -226,6 +238,7 @@ void Model3DObjectConfiguration::DoSerializeTo(
   content.SetAttribute("originLocation", originLocation);
   content.SetAttribute("centerLocation", centerLocation);
   content.SetAttribute("keepAspectRatio", keepAspectRatio);
+  content.SetAttribute("crossfadeDuration", crossfadeDuration);
 
   auto &animationsElement = content.AddChild("animations");
   animationsElement.ConsiderAsArrayOf("animation");

Extensions/3D/Model3DObjectConfiguration.h

@@ -152,6 +152,7 @@ public:
   double GetRotationX() const { return rotationX; };
   double GetRotationY() const { return rotationY; };
   double GetRotationZ() const { return rotationZ; };
+  double GetCrossfadeDuration() const { return crossfadeDuration; };
 
   const gd::String& GetModelResourceName() const { return modelResourceName; };
   const gd::String& GetMaterialType() const { return materialType; };
@@ -173,6 +174,7 @@ private:
   double rotationX;
   double rotationY;
   double rotationZ;
+  double crossfadeDuration;
 
   gd::String modelResourceName;
   gd::String materialType;

Extensions/3D/Model3DRuntimeObject.ts

@@ -9,6 +9,7 @@ namespace gdjs {
     ai: integer;
     ass: float;
     ap: boolean;
+    cfd: float;
   };
 
   type Model3DObjectNetworkSyncData = Object3DNetworkSyncData &
@@ -36,6 +37,7 @@ namespace gdjs {
         | 'BottomCenterZ'
         | 'BottomCenterY';
       animations: Model3DAnimation[];
+      crossfadeDuration: float;
     };
   }
 
@@ -63,7 +65,8 @@ namespace gdjs {
    */
   export class Model3DRuntimeObject
     extends gdjs.RuntimeObject3D
-    implements gdjs.Animatable {
+    implements gdjs.Animatable
+  {
     _renderer: gdjs.Model3DRuntimeObjectRenderer;
 
     _modelResourceName: string;
@@ -97,6 +100,7 @@ namespace gdjs {
     _currentAnimationIndex: integer = 0;
     _animationSpeedScale: float = 1;
     _animationPaused: boolean = false;
+    _crossfadeDuration: float = 0;
 
     constructor(
       instanceContainer: gdjs.RuntimeInstanceContainer,
@@ -121,6 +125,8 @@ namespace gdjs {
 
       this.onModelChanged(objectData);
 
+      this._crossfadeDuration = objectData.content.crossfadeDuration || 0;
+
       // *ALWAYS* call `this.onCreated()` at the very end of your object constructor.
       this.onCreated();
     }
@@ -202,6 +208,7 @@ namespace gdjs {
         ai: this._currentAnimationIndex,
         ass: this._animationSpeedScale,
         ap: this._animationPaused,
+        cfd: this._crossfadeDuration,
       };
     }
 
@@ -233,6 +240,9 @@ namespace gdjs {
           networkSyncData.ap ? this.pauseAnimation() : this.resumeAnimation();
         }
       }
+      if (networkSyncData.cfd !== undefined) {
+        this._crossfadeDuration = networkSyncData.cfd;
+      }
     }
 
     _reloadModel(objectData: Model3DObjectData) {
@@ -348,6 +358,11 @@ namespace gdjs {
       return this._renderer.hasAnimationEnded();
     }
 
+    setCrossfadeDuration(duration: number): void {
+      if (this._crossfadeDuration === duration) return;
+      this._crossfadeDuration = duration;
+    }
+
     isAnimationPaused() {
       return this._animationPaused;
     }

Extensions/3D/Model3DRuntimeObject3DRenderer.ts

@@ -359,7 +359,6 @@ namespace gdjs {
     }
 
     playAnimation(animationName: string, shouldLoop: boolean) {
-      this._animationMixer.stopAllAction();
       const clip = THREE.AnimationClip.findByName(
         this._originalModel.animations,
         animationName
@@ -370,12 +369,22 @@ namespace gdjs {
         );
         return;
       }
+      const previousAction = this._action;
       this._action = this._animationMixer.clipAction(clip);
       this._action.setLoop(
         shouldLoop ? THREE.LoopRepeat : THREE.LoopOnce,
         Number.POSITIVE_INFINITY
       );
       this._action.clampWhenFinished = true;
+
+      if (previousAction && previousAction !== this._action) {
+        this._action.enabled = true;
+        this._action.crossFadeFrom(
+          previousAction,
+          this._model3DRuntimeObject._crossfadeDuration,
+          false
+        );
+      }
       this._action.play();
       // Make sure the first frame is displayed.
       this._animationMixer.update(0);

Extensions/AdMob/JsExtension.js

@@ -38,7 +38,7 @@ module.exports = {
       .setName('Consent Cordova plugin')
       .setDependencyType('cordova')
       .setExportName('cordova-plugin-consent')
-      .setVersion('3.0.0-alpha.8')
+      .setVersion('3.0.0-alpha.9')
       .onlyIfOtherDependencyIsExported('AdMob Cordova plugin');
 
     extension
@@ -93,6 +93,68 @@ module.exports = {
       .setIncludeFile('Extensions/AdMob/admobtools.js')
       .setFunctionName('gdjs.adMob.setTestMode');
 
+    extension
+      .addAction(
+        'PreventAdmobAutoInitialization',
+        _('Prevent AdMob auto initialization'),
+        _(
+          'Prevent AdMob from initializing automatically. You will need to call "Initialize AdMob" action manually.\n' +
+            'This is useful if you want to control when the consent dialog will be shown (for example, after the user has accepted your game terms).'
+        ),
+        _('Prevent AdMob auto initialization'),
+        '',
+        'JsPlatform/Extensions/admobicon24.png',
+        'JsPlatform/Extensions/admobicon16.png'
+      )
+      .getCodeExtraInformation()
+      .setIncludeFile('Extensions/AdMob/admobtools.js')
+      .setFunctionName('gdjs.adMob.preventAdmobAutoInitialization');
+
+    extension
+      .addAction(
+        'InitializeAdmob',
+        _('Initialize AdMob manually'),
+        _(
+          'Initialize AdMob manually. This will trigger the consent dialog if needed, and then load the ads.\n' +
+            'Use this action if you have disabled the auto init and want to control when the consent dialog will be shown.'
+        ),
+        _('Initialize AdMob'),
+        '',
+        'JsPlatform/Extensions/admobicon24.png',
+        'JsPlatform/Extensions/admobicon16.png'
+      )
+      .getCodeExtraInformation()
+      .setIncludeFile('Extensions/AdMob/admobtools.js')
+      .setFunctionName('gdjs.adMob.initializeAdmob');
+
+    extension
+      .addCondition(
+        'AdmobInitializing',
+        _('AdMob initializing'),
+        _('Check if AdMob is initializing.'),
+        _('AdMob is initializing'),
+        '',
+        'JsPlatform/Extensions/admobicon24.png',
+        'JsPlatform/Extensions/admobicon16.png'
+      )
+      .getCodeExtraInformation()
+      .setIncludeFile('Extensions/AdMob/admobtools.js')
+      .setFunctionName('gdjs.adMob.isAdmobInitializing');
+
+    extension
+      .addCondition(
+        'AdmobInitialized',
+        _('AdMob initialized'),
+        _('Check if AdMob has been initialized.'),
+        _('AdMob has been initialized'),
+        '',
+        'JsPlatform/Extensions/admobicon24.png',
+        'JsPlatform/Extensions/admobicon16.png'
+      )
+      .getCodeExtraInformation()
+      .setIncludeFile('Extensions/AdMob/admobtools.js')
+      .setFunctionName('gdjs.adMob.isAdmobInitialized');
+
     // App Open
     extension
       .addCondition(

Extensions/AdMob/admobtools.ts

@@ -1,6 +1,7 @@
 namespace gdjs {
   declare var admob: any;
   declare var cordova: any;
+  declare var consent: any;
 
   export namespace adMob {
     const logger = new gdjs.Logger('AdMob');
@@ -108,26 +109,119 @@ namespace gdjs {
     let rewardedVideoRewardReceived = false; // Becomes true when the video is closed and the reward is received.
     let rewardedVideoErrored = false; // Becomes true when the video fails to load.
 
-    let npaValue = '0'; // TODO: expose an API to change this and also an automatic way using the consent SDK.
+    let npaValue = '0'; // 0 means that the user has consented to personalized ads, 1 means that the user has not consented to personalized ads.
+
+    let setupTimeoutId: NodeJS.Timeout | null = null;
+
+    const askForConsentAndInitializeAdmob = async () => {
+      if (admobStarted) {
+        logger.warn('AdMob is already started.');
+        return;
+      }
+
+      if (isStarting) {
+        logger.warn('AdMob is already starting.');
+        return;
+      }
+
+      try {
+        logger.info('Starting AdMob.');
+        isStarting = true;
+
+        if (cordova.platformId === 'ios') {
+          try {
+            /*
+            trackingStatus:
+            0 = notDetermined
+            1 = restricted
+            2 = denied
+            3 = authorized
+          */
+            let trackingStatus = await consent.trackingAuthorizationStatus();
+
+            // If tracking is not determined, we ask the user for tracking authorization.
+            if (trackingStatus === 0) {
+              trackingStatus = await consent.requestTrackingAuthorization();
+            }
+
+            // If tracking is restricted or denied, we set npaValue to 1.
+            if (trackingStatus === 1 || trackingStatus === 2) {
+              npaValue = '1';
+            }
+
+            // otherwise, we set npaValue to 0.
+            npaValue = '0';
+          } catch (error) {
+            logger.error(
+              'Error while asking for tracking authorization, continuing:',
+              error
+            );
+          }
+        }
+
+        try {
+          // ConsentStatus:
+          // Unknown = 0,
+          // Required = 1,
+          // NotRequired = 2,
+          // Obtained = 3,
+          const consentStatus = await consent.getConsentStatus();
+          if (consentStatus === consent.ConsentStatus.Required) {
+            await consent.requestInfoUpdate();
+          }
+          await consent.loadAndShowIfRequired();
+        } catch (error) {
+          logger.error('Error while asking for consent, continuing:', error);
+        }
+
+        // We should be looking at canRequestAds to know if we can request ads or not.
+        // But as we want to be able to test ads in debug or if the consent didn't work,
+        // we ignore this value for now.
+        // const canRequestAds = await consent.canRequestAds();
+        if (true) {
+          await admob.start();
+
+          logger.info('AdMob successfully started.');
+          isStarting = false;
+          admobStarted = true;
+        }
+      } catch (error) {
+        logger.error('Error while starting AdMob:', error);
+        isStarting = false;
+        admobStarted = false;
+      }
+    };
 
     // Admob initialization listener
     document.addEventListener(
       'deviceready',
       async () => {
-        // Obtain user consent ?
-
-        logger.info('Starting AdMob.');
         isStarting = true;
-
-        await admob.start();
-
-        logger.info('AdMob successfully started.');
-        isStarting = false;
-        admobStarted = true;
+        setupTimeoutId = setTimeout(async () => {
+          isStarting = false; // Reset to false, as it will be set to true in askForConsentAndInitializeAdmob.
+          await askForConsentAndInitializeAdmob();
+          // Wait a bit before starting admob, to avoid the consent appearing too soon.
+        }, 2000);
       },
       false
     );
 
+    export const preventAdmobAutoInitialization = () => {
+      if (setupTimeoutId) {
+        isStarting = false;
+        clearTimeout(setupTimeoutId);
+        setupTimeoutId = null;
+      }
+    };
+
+    export const initializeAdmob = async () => {
+      preventAdmobAutoInitialization();
+      await askForConsentAndInitializeAdmob();
+    };
+
+    export const isAdmobInitialized = () => admobStarted;
+    export const isAdmobInitializing = () => isStarting;
+
     /**
      * Helper to know if we are on mobile and admob is correctly initialized.
      */
@@ -334,6 +428,7 @@ namespace gdjs {
         position: atTop ? 'top' : 'bottom',
         size: bannerRequestedAdSizeType,
         offset: 0,
+        npa: npaValue,
       });
 
       banner.on('load', () => {

Extensions/AdvancedWindow/electron-advancedwindowtools.ts

@@ -1,10 +1,10 @@
 namespace gdjs {
-  /**
-   * Tools to manipulate the game window positioning and
-   * interactions with the operating system.
-   * @author arthuro555
-   */
   export namespace evtTools {
+    /**
+     * Tools to manipulate the game window positioning and
+     * interactions with the operating system.
+     * @author arthuro555
+     */
     export namespace advancedWindow {
       const getElectronBrowserWindow = (runtimeScene: gdjs.RuntimeScene) => {
         try {

Extensions/AnchorBehavior/anchorruntimebehavior.ts

@@ -20,25 +20,41 @@ namespace gdjs {
   }
 
   export class AnchorRuntimeBehavior extends gdjs.RuntimeBehavior {
-    _relativeToOriginalWindowSize: any;
+    // Configuration
+
+    _relativeToOriginalWindowSize: boolean;
     _leftEdgeAnchor: HorizontalAnchor;
     _rightEdgeAnchor: HorizontalAnchor;
-    _topEdgeAnchor: any;
-    _bottomEdgeAnchor: any;
-    _invalidDistances: boolean = true;
-    _leftEdgeDistance: number = 0;
-    _rightEdgeDistance: number = 0;
-    _topEdgeDistance: number = 0;
-    _bottomEdgeDistance: number = 0;
+    _topEdgeAnchor: VerticalAnchor;
+    _bottomEdgeAnchor: VerticalAnchor;
     _useLegacyBottomAndRightAnchors: boolean = false;
 
+    // State
+
+    _hasJustBeenCreated: boolean = true;
+    _leftEdgeDistance: float = 0;
+    _rightEdgeDistance: float = 0;
+    _topEdgeDistance: float = 0;
+    _bottomEdgeDistance: float = 0;
+
+    _oldDrawableX: float = 0;
+    _oldDrawableY: float = 0;
+    _oldWidth: float = 0;
+    _oldHeight: float = 0;
+
+    _parentOldMinX: float = 0;
+    _parentOldMinY: float = 0;
+    _parentOldMaxX: float = 0;
+    _parentOldMaxY: float = 0;
+
     constructor(
       instanceContainer: gdjs.RuntimeInstanceContainer,
       behaviorData,
       owner: gdjs.RuntimeObject
     ) {
       super(instanceContainer, behaviorData, owner);
-      this._relativeToOriginalWindowSize = !!behaviorData.relativeToOriginalWindowSize;
+      this._relativeToOriginalWindowSize =
+        !!behaviorData.relativeToOriginalWindowSize;
       this._leftEdgeAnchor = behaviorData.leftEdgeAnchor;
       this._rightEdgeAnchor = behaviorData.rightEdgeAnchor;
       this._topEdgeAnchor = behaviorData.topEdgeAnchor;
@@ -80,265 +96,306 @@ namespace gdjs {
       return true;
     }
 
-    onActivate() {
-      this._invalidDistances = true;
+    doStepPreEvents(instanceContainer: gdjs.RuntimeInstanceContainer) {
+      const objectHasMoved =
+        this._oldDrawableX !== this.owner.getDrawableX() ||
+        this._oldDrawableY !== this.owner.getDrawableY() ||
+        this._oldWidth !== this.owner.getWidth() ||
+        this._oldHeight !== this.owner.getHeight();
+      if (objectHasMoved) {
+        this._updateAnchorDistances(instanceContainer);
+      }
+      const parentHasResized =
+        this._parentOldMinX !== instanceContainer.getUnrotatedViewportMinX() ||
+        this._parentOldMinY !== instanceContainer.getUnrotatedViewportMinY() ||
+        this._parentOldMaxX !== instanceContainer.getUnrotatedViewportMaxX() ||
+        this._parentOldMaxY !== instanceContainer.getUnrotatedViewportMaxY();
+      if (parentHasResized) {
+        this._followAnchor(instanceContainer);
+      }
     }
 
-    doStepPreEvents(instanceContainer: gdjs.RuntimeInstanceContainer) {
+    private _updateAnchorDistances(
+      instanceContainer: gdjs.RuntimeInstanceContainer
+    ) {
       const workingPoint: FloatPoint = gdjs.staticArray(
         gdjs.AnchorRuntimeBehavior.prototype.doStepPreEvents
       ) as FloatPoint;
-      let parentMinX = instanceContainer.getUnrotatedViewportMinX();
-      let parentMinY = instanceContainer.getUnrotatedViewportMinY();
-      let parentMaxX = instanceContainer.getUnrotatedViewportMaxX();
-      let parentMaxY = instanceContainer.getUnrotatedViewportMaxY();
-      let parentCenterX = (parentMaxX + parentMinX) / 2;
-      let parentCenterY = (parentMaxY + parentMinY) / 2;
-      let parentWidth = parentMaxX - parentMinX;
-      let parentHeight = parentMaxY - parentMinY;
       const layer = instanceContainer.getLayer(this.owner.getLayer());
-      if (this._invalidDistances) {
+
+      let parentMinX = this._parentOldMinX;
+      let parentMinY = this._parentOldMinY;
+      let parentMaxX = this._parentOldMaxX;
+      let parentMaxY = this._parentOldMaxY;
+      if (this._hasJustBeenCreated) {
         if (this._relativeToOriginalWindowSize) {
           parentMinX = instanceContainer.getInitialUnrotatedViewportMinX();
           parentMinY = instanceContainer.getInitialUnrotatedViewportMinY();
           parentMaxX = instanceContainer.getInitialUnrotatedViewportMaxX();
           parentMaxY = instanceContainer.getInitialUnrotatedViewportMaxY();
-          parentCenterX = (parentMaxX + parentMinX) / 2;
-          parentCenterY = (parentMaxY + parentMinY) / 2;
-          parentWidth = parentMaxX - parentMinX;
-          parentHeight = parentMaxY - parentMinY;
+        } else {
+          parentMinX = instanceContainer.getUnrotatedViewportMinX();
+          parentMinY = instanceContainer.getUnrotatedViewportMinY();
+          parentMaxX = instanceContainer.getUnrotatedViewportMaxX();
+          parentMaxY = instanceContainer.getUnrotatedViewportMaxY();
         }
+      }
+      const parentCenterX = (parentMaxX + parentMinX) / 2;
+      const parentCenterY = (parentMaxY + parentMinY) / 2;
+      const parentWidth = parentMaxX - parentMinX;
+      const parentHeight = parentMaxY - parentMinY;
 
-        //Calculate the distances from the window's bounds.
-        const topLeftPixel = this._relativeToOriginalWindowSize
-          ? [this.owner.getDrawableX(), this.owner.getDrawableY()]
-          : this._convertInverseCoords(
-              instanceContainer,
-              layer,
-              this.owner.getDrawableX(),
-              this.owner.getDrawableY(),
-              workingPoint
-            );
+      //Calculate the distances from the window's bounds.
+      const topLeftPixel = this._relativeToOriginalWindowSize
+        ? [this.owner.getDrawableX(), this.owner.getDrawableY()]
+        : this._convertInverseCoords(
+            instanceContainer,
+            layer,
+            this.owner.getDrawableX(),
+            this.owner.getDrawableY(),
+            workingPoint
+          );
 
-        // Left edge
-        if (this._leftEdgeAnchor === HorizontalAnchor.WindowLeft) {
-          this._leftEdgeDistance = topLeftPixel[0] - parentMinX;
-        } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowRight) {
-          this._leftEdgeDistance = topLeftPixel[0] - parentMaxX;
-        } else if (this._leftEdgeAnchor === HorizontalAnchor.Proportional) {
-          this._leftEdgeDistance = (topLeftPixel[0] - parentMinX) / parentWidth;
-        } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowCenter) {
-          this._leftEdgeDistance = topLeftPixel[0] - parentCenterX;
+      // Left edge
+      if (this._leftEdgeAnchor === HorizontalAnchor.WindowLeft) {
+        this._leftEdgeDistance = topLeftPixel[0] - parentMinX;
+      } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowRight) {
+        this._leftEdgeDistance = topLeftPixel[0] - parentMaxX;
+      } else if (this._leftEdgeAnchor === HorizontalAnchor.Proportional) {
+        this._leftEdgeDistance = (topLeftPixel[0] - parentMinX) / parentWidth;
+      } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowCenter) {
+        this._leftEdgeDistance = topLeftPixel[0] - parentCenterX;
+      }
+
+      // Top edge
+      if (this._topEdgeAnchor === VerticalAnchor.WindowTop) {
+        this._topEdgeDistance = topLeftPixel[1] - parentMinY;
+      } else if (this._topEdgeAnchor === VerticalAnchor.WindowBottom) {
+        this._topEdgeDistance = topLeftPixel[1] - parentMaxY;
+      } else if (this._topEdgeAnchor === VerticalAnchor.Proportional) {
+        this._topEdgeDistance = (topLeftPixel[1] - parentMinY) / parentHeight;
+      } else if (this._topEdgeAnchor === VerticalAnchor.WindowCenter) {
+        this._topEdgeDistance = topLeftPixel[1] - parentCenterY;
+      }
+
+      // It's fine to reuse workingPoint as topLeftPixel is no longer used.
+      const bottomRightPixel = this._relativeToOriginalWindowSize
+        ? [
+            this.owner.getDrawableX() + this.owner.getWidth(),
+            this.owner.getDrawableY() + this.owner.getHeight(),
+          ]
+        : this._convertInverseCoords(
+            instanceContainer,
+            layer,
+            this.owner.getDrawableX() + this.owner.getWidth(),
+            this.owner.getDrawableY() + this.owner.getHeight(),
+            workingPoint
+          );
+
+      // Right edge
+      if (this._rightEdgeAnchor === HorizontalAnchor.WindowLeft) {
+        this._rightEdgeDistance = bottomRightPixel[0] - parentMinX;
+      } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowRight) {
+        this._rightEdgeDistance = bottomRightPixel[0] - parentMaxX;
+      } else if (this._rightEdgeAnchor === HorizontalAnchor.Proportional) {
+        this._rightEdgeDistance =
+          (bottomRightPixel[0] - parentMinX) / parentWidth;
+      } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowCenter) {
+        this._rightEdgeDistance = bottomRightPixel[0] - parentCenterX;
+      }
+
+      // Bottom edge
+      if (this._bottomEdgeAnchor === VerticalAnchor.WindowTop) {
+        this._bottomEdgeDistance = bottomRightPixel[1] - parentMinY;
+      } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowBottom) {
+        this._bottomEdgeDistance = bottomRightPixel[1] - parentMaxY;
+      } else if (this._bottomEdgeAnchor === VerticalAnchor.Proportional) {
+        this._bottomEdgeDistance =
+          (bottomRightPixel[1] - parentMinY) / parentHeight;
+      } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowCenter) {
+        this._bottomEdgeDistance = bottomRightPixel[1] - parentCenterY;
+      }
+
+      this._hasJustBeenCreated = false;
+    }
+
+    private _followAnchor(instanceContainer: gdjs.RuntimeInstanceContainer) {
+      const workingPoint: FloatPoint = gdjs.staticArray(
+        gdjs.AnchorRuntimeBehavior.prototype.doStepPreEvents
+      ) as FloatPoint;
+      const layer = instanceContainer.getLayer(this.owner.getLayer());
+
+      let parentMinX = instanceContainer.getUnrotatedViewportMinX();
+      let parentMinY = instanceContainer.getUnrotatedViewportMinY();
+      let parentMaxX = instanceContainer.getUnrotatedViewportMaxX();
+      let parentMaxY = instanceContainer.getUnrotatedViewportMaxY();
+      const parentCenterX = (parentMaxX + parentMinX) / 2;
+      const parentCenterY = (parentMaxY + parentMinY) / 2;
+      const parentWidth = parentMaxX - parentMinX;
+      const parentHeight = parentMaxY - parentMinY;
+
+      //Move and resize the object if needed
+      let leftPixel = 0;
+      let topPixel = 0;
+      let rightPixel = 0;
+      let bottomPixel = 0;
+
+      // Left edge
+      if (this._leftEdgeAnchor === HorizontalAnchor.WindowLeft) {
+        leftPixel = parentMinX + this._leftEdgeDistance;
+      } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowRight) {
+        leftPixel = parentMaxX + this._leftEdgeDistance;
+      } else if (this._leftEdgeAnchor === HorizontalAnchor.Proportional) {
+        leftPixel = parentMinX + this._leftEdgeDistance * parentWidth;
+      } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowCenter) {
+        leftPixel = parentCenterX + this._leftEdgeDistance;
+      }
+
+      // Top edge
+      if (this._topEdgeAnchor === VerticalAnchor.WindowTop) {
+        topPixel = parentMinY + this._topEdgeDistance;
+      } else if (this._topEdgeAnchor === VerticalAnchor.WindowBottom) {
+        topPixel = parentMaxY + this._topEdgeDistance;
+      } else if (this._topEdgeAnchor === VerticalAnchor.Proportional) {
+        topPixel = parentMinY + this._topEdgeDistance * parentHeight;
+      } else if (this._topEdgeAnchor === VerticalAnchor.WindowCenter) {
+        topPixel = parentCenterY + this._topEdgeDistance;
+      }
+
+      // Right edge
+      if (this._rightEdgeAnchor === HorizontalAnchor.WindowLeft) {
+        rightPixel = parentMinX + this._rightEdgeDistance;
+      } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowRight) {
+        rightPixel = parentMaxX + this._rightEdgeDistance;
+      } else if (this._rightEdgeAnchor === HorizontalAnchor.Proportional) {
+        rightPixel = parentMinX + this._rightEdgeDistance * parentWidth;
+      } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowCenter) {
+        rightPixel = parentCenterX + this._rightEdgeDistance;
+      }
+
+      // Bottom edge
+      if (this._bottomEdgeAnchor === VerticalAnchor.WindowTop) {
+        bottomPixel = parentMinY + this._bottomEdgeDistance;
+      } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowBottom) {
+        bottomPixel = parentMaxY + this._bottomEdgeDistance;
+      } else if (this._bottomEdgeAnchor === VerticalAnchor.Proportional) {
+        bottomPixel = parentMinY + this._bottomEdgeDistance * parentHeight;
+      } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowCenter) {
+        bottomPixel = parentCenterY + this._bottomEdgeDistance;
+      }
+
+      // It's fine to reuse workingPoint as topLeftPixel is no longer used.
+      const topLeftCoord = this._convertCoords(
+        instanceContainer,
+        layer,
+        leftPixel,
+        topPixel,
+        workingPoint
+      );
+      let left = topLeftCoord[0];
+      let top = topLeftCoord[1];
+
+      const bottomRightCoord = this._convertCoords(
+        instanceContainer,
+        layer,
+        rightPixel,
+        bottomPixel,
+        workingPoint
+      );
+      const right = bottomRightCoord[0];
+      const bottom = bottomRightCoord[1];
+
+      // Compatibility with GD <= 5.0.133
+      if (this._useLegacyBottomAndRightAnchors) {
+        //Move and resize the object according to the anchors
+        if (this._rightEdgeAnchor !== HorizontalAnchor.None) {
+          this.owner.setWidth(right - left);
         }
-
-        // Top edge
-        if (this._topEdgeAnchor === VerticalAnchor.WindowTop) {
-          this._topEdgeDistance = topLeftPixel[1] - parentMinY;
-        } else if (this._topEdgeAnchor === VerticalAnchor.WindowBottom) {
-          this._topEdgeDistance = topLeftPixel[1] - parentMaxY;
-        } else if (this._topEdgeAnchor === VerticalAnchor.Proportional) {
-          this._topEdgeDistance = (topLeftPixel[1] - parentMinY) / parentHeight;
-        } else if (this._topEdgeAnchor === VerticalAnchor.WindowCenter) {
-          this._topEdgeDistance = topLeftPixel[1] - parentCenterY;
+        if (this._bottomEdgeAnchor !== VerticalAnchor.None) {
+          this.owner.setHeight(bottom - top);
         }
-
-        // It's fine to reuse workingPoint as topLeftPixel is no longer used.
-        const bottomRightPixel = this._relativeToOriginalWindowSize
-          ? [
-              this.owner.getDrawableX() + this.owner.getWidth(),
-              this.owner.getDrawableY() + this.owner.getHeight(),
-            ]
-          : this._convertInverseCoords(
-              instanceContainer,
-              layer,
-              this.owner.getDrawableX() + this.owner.getWidth(),
-              this.owner.getDrawableY() + this.owner.getHeight(),
-              workingPoint
-            );
-
-        // Right edge
-        if (this._rightEdgeAnchor === HorizontalAnchor.WindowLeft) {
-          this._rightEdgeDistance = bottomRightPixel[0] - parentMinX;
-        } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowRight) {
-          this._rightEdgeDistance = bottomRightPixel[0] - parentMaxX;
-        } else if (this._rightEdgeAnchor === HorizontalAnchor.Proportional) {
-          this._rightEdgeDistance =
-            (bottomRightPixel[0] - parentMinX) / parentWidth;
-        } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowCenter) {
-          this._rightEdgeDistance = bottomRightPixel[0] - parentCenterX;
+        if (this._leftEdgeAnchor !== HorizontalAnchor.None) {
+          this.owner.setX(left + this.owner.getX() - this.owner.getDrawableX());
         }
-
-        // Bottom edge
-        if (this._bottomEdgeAnchor === VerticalAnchor.WindowTop) {
-          this._bottomEdgeDistance = bottomRightPixel[1] - parentMinY;
-        } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowBottom) {
-          this._bottomEdgeDistance = bottomRightPixel[1] - parentMaxY;
-        } else if (this._bottomEdgeAnchor === VerticalAnchor.Proportional) {
-          this._bottomEdgeDistance =
-            (bottomRightPixel[1] - parentMinY) / parentHeight;
-        } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowCenter) {
-          this._bottomEdgeDistance = bottomRightPixel[1] - parentCenterY;
+        if (this._topEdgeAnchor !== VerticalAnchor.None) {
+          this.owner.setY(top + this.owner.getY() - this.owner.getDrawableY());
         }
-
-        this._invalidDistances = false;
-      } else {
-        //Move and resize the object if needed
-        let leftPixel = 0;
-        let topPixel = 0;
-        let rightPixel = 0;
-        let bottomPixel = 0;
-
-        // Left edge
-        if (this._leftEdgeAnchor === HorizontalAnchor.WindowLeft) {
-          leftPixel = parentMinX + this._leftEdgeDistance;
-        } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowRight) {
-          leftPixel = parentMaxX + this._leftEdgeDistance;
-        } else if (this._leftEdgeAnchor === HorizontalAnchor.Proportional) {
-          leftPixel = parentMinX + this._leftEdgeDistance * parentWidth;
-        } else if (this._leftEdgeAnchor === HorizontalAnchor.WindowCenter) {
-          leftPixel = parentCenterX + this._leftEdgeDistance;
-        }
-
-        // Top edge
-        if (this._topEdgeAnchor === VerticalAnchor.WindowTop) {
-          topPixel = parentMinY + this._topEdgeDistance;
-        } else if (this._topEdgeAnchor === VerticalAnchor.WindowBottom) {
-          topPixel = parentMaxY + this._topEdgeDistance;
-        } else if (this._topEdgeAnchor === VerticalAnchor.Proportional) {
-          topPixel = parentMinY + this._topEdgeDistance * parentHeight;
-        } else if (this._topEdgeAnchor === VerticalAnchor.WindowCenter) {
-          topPixel = parentCenterY + this._topEdgeDistance;
-        }
-
-        // Right edge
-        if (this._rightEdgeAnchor === HorizontalAnchor.WindowLeft) {
-          rightPixel = parentMinX + this._rightEdgeDistance;
-        } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowRight) {
-          rightPixel = parentMaxX + this._rightEdgeDistance;
-        } else if (this._rightEdgeAnchor === HorizontalAnchor.Proportional) {
-          rightPixel = parentMinX + this._rightEdgeDistance * parentWidth;
-        } else if (this._rightEdgeAnchor === HorizontalAnchor.WindowCenter) {
-          rightPixel = parentCenterX + this._rightEdgeDistance;
-        }
-
-        // Bottom edge
-        if (this._bottomEdgeAnchor === VerticalAnchor.WindowTop) {
-          bottomPixel = parentMinY + this._bottomEdgeDistance;
-        } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowBottom) {
-          bottomPixel = parentMaxY + this._bottomEdgeDistance;
-        } else if (this._bottomEdgeAnchor === VerticalAnchor.Proportional) {
-          bottomPixel = parentMinY + this._bottomEdgeDistance * parentHeight;
-        } else if (this._bottomEdgeAnchor === VerticalAnchor.WindowCenter) {
-          bottomPixel = parentCenterY + this._bottomEdgeDistance;
-        }
-
-        // It's fine to reuse workingPoint as topLeftPixel is no longer used.
-        const topLeftCoord = this._convertCoords(
-          instanceContainer,
-          layer,
-          leftPixel,
-          topPixel,
-          workingPoint
-        );
-        let left = topLeftCoord[0];
-        let top = topLeftCoord[1];
-
-        const bottomRightCoord = this._convertCoords(
-          instanceContainer,
-          layer,
-          rightPixel,
-          bottomPixel,
-          workingPoint
-        );
-        const right = bottomRightCoord[0];
-        const bottom = bottomRightCoord[1];
-
-        // Compatibility with GD <= 5.0.133
-        if (this._useLegacyBottomAndRightAnchors) {
-          //Move and resize the object according to the anchors
-          if (this._rightEdgeAnchor !== HorizontalAnchor.None) {
-            this.owner.setWidth(right - left);
-          }
-          if (this._bottomEdgeAnchor !== VerticalAnchor.None) {
-            this.owner.setHeight(bottom - top);
-          }
+      }
+      // End of compatibility code
+      else {
+        // Resize if right and left anchors are set
+        if (
+          this._rightEdgeAnchor !== HorizontalAnchor.None &&
+          this._leftEdgeAnchor !== HorizontalAnchor.None
+        ) {
+          const width = right - left;
+          this.owner.setX(
+            this.owner.getX() === this.owner.getDrawableX()
+              ? left
+              : // It uses the position of the origin relatively to the object
+                // size to apply it with the new size.
+                // This is the same as doing:
+                // lerp(left, right, (this.owner.getX() - this.owner.getDrawableX() / this.owner.getWidth())
+                // But, the division is done at the end to avoid rounding errors.
+                left +
+                  ((this.owner.getX() - this.owner.getDrawableX()) * width) /
+                    this.owner.getWidth()
+          );
+          this.owner.setWidth(width);
+        } else {
           if (this._leftEdgeAnchor !== HorizontalAnchor.None) {
             this.owner.setX(
               left + this.owner.getX() - this.owner.getDrawableX()
             );
           }
+          if (this._rightEdgeAnchor !== HorizontalAnchor.None) {
+            this.owner.setX(
+              right +
+                this.owner.getX() -
+                this.owner.getDrawableX() -
+                this.owner.getWidth()
+            );
+          }
+        }
+
+        // Resize if top and bottom anchors are set
+        if (
+          this._bottomEdgeAnchor !== VerticalAnchor.None &&
+          this._topEdgeAnchor !== VerticalAnchor.None
+        ) {
+          const height = bottom - top;
+          this.owner.setY(
+            this.owner.getY() === this.owner.getDrawableY()
+              ? top
+              : top +
+                  ((this.owner.getY() - this.owner.getDrawableY()) * height) /
+                    this.owner.getHeight()
+          );
+          this.owner.setHeight(height);
+        } else {
           if (this._topEdgeAnchor !== VerticalAnchor.None) {
             this.owner.setY(
               top + this.owner.getY() - this.owner.getDrawableY()
             );
           }
-        }
-        // End of compatibility code
-        else {
-          // Resize if right and left anchors are set
-          if (
-            this._rightEdgeAnchor !== HorizontalAnchor.None &&
-            this._leftEdgeAnchor !== HorizontalAnchor.None
-          ) {
-            const width = right - left;
-            this.owner.setX(
-              this.owner.getX() === this.owner.getDrawableX()
-                ? left
-                : // It uses the position of the origin relatively to the object
-                  // size to apply it with the new size.
-                  // This is the same as doing:
-                  // lerp(left, right, (this.owner.getX() - this.owner.getDrawableX() / this.owner.getWidth())
-                  // But, the division is done at the end to avoid rounding errors.
-                  left +
-                    ((this.owner.getX() - this.owner.getDrawableX()) * width) /
-                      this.owner.getWidth()
-            );
-            this.owner.setWidth(width);
-          } else {
-            if (this._leftEdgeAnchor !== HorizontalAnchor.None) {
-              this.owner.setX(
-                left + this.owner.getX() - this.owner.getDrawableX()
-              );
-            }
-            if (this._rightEdgeAnchor !== HorizontalAnchor.None) {
-              this.owner.setX(
-                right +
-                  this.owner.getX() -
-                  this.owner.getDrawableX() -
-                  this.owner.getWidth()
-              );
-            }
-          }
-          // Resize if top and bottom anchors are set
-          if (
-            this._bottomEdgeAnchor !== VerticalAnchor.None &&
-            this._topEdgeAnchor !== VerticalAnchor.None
-          ) {
-            const height = bottom - top;
+          if (this._bottomEdgeAnchor !== VerticalAnchor.None) {
             this.owner.setY(
-              this.owner.getY() === this.owner.getDrawableY()
-                ? top
-                : top +
-                    ((this.owner.getY() - this.owner.getDrawableY()) * height) /
-                      this.owner.getHeight()
+              bottom +
+                this.owner.getY() -
+                this.owner.getDrawableY() -
+                this.owner.getHeight()
             );
-            this.owner.setHeight(height);
-          } else {
-            if (this._topEdgeAnchor !== VerticalAnchor.None) {
-              this.owner.setY(
-                top + this.owner.getY() - this.owner.getDrawableY()
-              );
-            }
-            if (this._bottomEdgeAnchor !== VerticalAnchor.None) {
-              this.owner.setY(
-                bottom +
-                  this.owner.getY() -
-                  this.owner.getDrawableY() -
-                  this.owner.getHeight()
-              );
-            }
           }
         }
+        this._oldDrawableX = this.owner.getDrawableX();
+        this._oldDrawableY = this.owner.getDrawableY();
+        this._oldWidth = this.owner.getWidth();
+        this._oldHeight = this.owner.getHeight();
+
+        this._parentOldMinX = instanceContainer.getUnrotatedViewportMinX();
+        this._parentOldMinY = instanceContainer.getUnrotatedViewportMinY();
+        this._parentOldMaxX = instanceContainer.getUnrotatedViewportMaxX();
+        this._parentOldMaxY = instanceContainer.getUnrotatedViewportMaxY();
       }
     }
 

Extensions/BBText/JsExtension.js

@@ -54,7 +54,7 @@ module.exports = {
       objectProperties
         .getOrCreate('text')
         .setValue(objectContent.text)
-        .setType('textarea')
+        .setType('multilinestring')
         .setLabel(_('BBCode text'));
 
       objectProperties
@@ -106,8 +106,7 @@ module.exports = {
       return objectProperties;
     };
     objectBBText.content = {
-      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,
@@ -193,9 +192,10 @@ module.exports = {
           parameterType === 'string' ||
           parameterType === 'stringWithSelector'
         ) {
-          const parameterOptions = gd.ParameterOptions.makeNewOptions().setDescription(
-            property.paramLabel
-          );
+          const parameterOptions =
+            gd.ParameterOptions.makeNewOptions().setDescription(
+              property.paramLabel
+            );
           if (property.options) {
             parameterOptions.setTypeExtraInfo(
               stringifyOptions(property.options)
@@ -245,9 +245,10 @@ module.exports = {
           parameterType === 'number' ||
           parameterType === 'stringWithSelector'
         ) {
-          const parameterOptions = gd.ParameterOptions.makeNewOptions().setDescription(
-            property.paramLabel
-          );
+          const parameterOptions =
+            gd.ParameterOptions.makeNewOptions().setDescription(
+              property.paramLabel
+            );
           if (property.options) {
             parameterOptions.setTypeExtraInfo(
               stringifyOptions(property.options)

Extensions/BBText/bbtextruntimeobject.ts

@@ -43,7 +43,8 @@ namespace gdjs {
    */
   export class BBTextRuntimeObject
     extends gdjs.RuntimeObject
-    implements gdjs.OpacityHandler {
+    implements gdjs.OpacityHandler
+  {
     _opacity: float;
 
     _text: string;

Extensions/BitmapText/JsExtension.js

@@ -54,7 +54,7 @@ module.exports = {
       objectProperties
         .getOrCreate('text')
         .setValue(objectContent.text)
-        .setType('textarea')
+        .setType('multilinestring')
         .setLabel(_('Text'));
 
       objectProperties
@@ -107,8 +107,7 @@ module.exports = {
       return objectProperties;
     };
     bitmapTextObject.content = {
-      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,
@@ -665,9 +664,8 @@ module.exports = {
         this._pixiObject.align = align;
 
         const color = object.content.tint;
-        this._pixiObject.tint = objectsRenderingService.rgbOrHexToHexNumber(
-          color
-        );
+        this._pixiObject.tint =
+          objectsRenderingService.rgbOrHexToHexNumber(color);
 
         const scale = object.content.scale;
         this._pixiObject.scale.set(scale);

Extensions/BitmapText/bitmaptextruntimeobject-pixi-renderer.ts

@@ -173,5 +173,6 @@ namespace gdjs {
       return this._pixiObject.textHeight * this.getScale();
     }
   }
-  export const BitmapTextRuntimeObjectRenderer = BitmapTextRuntimeObjectPixiRenderer;
+  export const BitmapTextRuntimeObjectRenderer =
+    BitmapTextRuntimeObjectPixiRenderer;
 }

Extensions/BitmapText/bitmaptextruntimeobject.ts

@@ -52,7 +52,8 @@ namespace gdjs {
    */
   export class BitmapTextRuntimeObject
     extends gdjs.RuntimeObject
-    implements gdjs.TextContainer, gdjs.OpacityHandler, gdjs.Scalable {
+    implements gdjs.TextContainer, gdjs.OpacityHandler, gdjs.Scalable
+  {
     _opacity: float;
     _text: string;
     /** color in format [r, g, b], where each component is in the range [0, 255] */

Extensions/DialogueTree/dialoguetools.ts

@@ -249,13 +249,16 @@ namespace gdjs {
           (clipTextEnd === 0 || clipTextEnd !== dialogueText.length)
         ) {
           pauseScrolling = true;
-          setTimeout(function () {
-            pauseScrolling = false;
-            commandCalls.splice(index, 1);
-            if (gdjs.dialogueTree.getVariable('debug')) {
-              logger.info('CMD:', call);
-            }
-          }, parseInt(call.params[1], 10));
+          setTimeout(
+            function () {
+              pauseScrolling = false;
+              commandCalls.splice(index, 1);
+              if (gdjs.dialogueTree.getVariable('debug')) {
+                logger.info('CMD:', call);
+              }
+            },
+            parseInt(call.params[1], 10)
+          );
         }
         if (call.cmd === command) {
           commandParameters = call.params;

Extensions/DraggableBehavior/draggableruntimebehavior.ts

@@ -157,9 +157,8 @@ namespace gdjs {
       if (!instanceContainer.touchDraggableManagers[touchId]) {
         //Create the shared manager if necessary.
         // @ts-ignore
-        instanceContainer.touchDraggableManagers[
-          touchId
-        ] = new DraggableManager(instanceContainer, touchId);
+        instanceContainer.touchDraggableManagers[touchId] =
+          new DraggableManager(instanceContainer, touchId);
       }
       // @ts-ignore
       return instanceContainer.touchDraggableManagers[touchId];

Extensions/Effects/adjustment-pixi-filter.ts

@@ -22,7 +22,8 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const adjustmentFilter = (filter as unknown) as PIXI.filters.AdjustmentFilter;
+        const adjustmentFilter =
+          filter as unknown as PIXI.filters.AdjustmentFilter;
         if (parameterName === 'gamma') {
           adjustmentFilter.gamma = value;
         } else if (parameterName === 'saturation') {
@@ -42,7 +43,8 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const adjustmentFilter = (filter as unknown) as PIXI.filters.AdjustmentFilter;
+        const adjustmentFilter =
+          filter as unknown as PIXI.filters.AdjustmentFilter;
         if (parameterName === 'gamma') {
           return adjustmentFilter.gamma;
         }
@@ -88,7 +90,8 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): AdjustmentFilterNetworkSyncData {
-        const adjustmentFilter = (filter as unknown) as PIXI.filters.AdjustmentFilter;
+        const adjustmentFilter =
+          filter as unknown as PIXI.filters.AdjustmentFilter;
         return {
           ga: adjustmentFilter.gamma,
           sa: adjustmentFilter.saturation,
@@ -104,7 +107,8 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: AdjustmentFilterNetworkSyncData
       ): void {
-        const adjustmentFilter = (filter as unknown) as PIXI.filters.AdjustmentFilter;
+        const adjustmentFilter =
+          filter as unknown as PIXI.filters.AdjustmentFilter;
         adjustmentFilter.gamma = data.ga;
         adjustmentFilter.saturation = data.sa;
         adjustmentFilter.contrast = data.co;

Extensions/Effects/advanced-bloom-pixi-filter.ts

@@ -20,7 +20,8 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const advancedBloomFilter = (filter as unknown) as PIXI.filters.AdvancedBloomFilter;
+        const advancedBloomFilter =
+          filter as unknown as PIXI.filters.AdvancedBloomFilter;
         if (parameterName === 'threshold') {
           advancedBloomFilter.threshold = value;
         } else if (parameterName === 'bloomScale') {
@@ -36,7 +37,8 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const advancedBloomFilter = (filter as unknown) as PIXI.filters.AdvancedBloomFilter;
+        const advancedBloomFilter =
+          filter as unknown as PIXI.filters.AdvancedBloomFilter;
         if (parameterName === 'threshold') {
           return advancedBloomFilter.threshold;
         }
@@ -78,7 +80,8 @@ namespace gdjs {
       getNetworkSyncData(
         filter: PIXI.Filter
       ): AdvancedBloomFilterNetworkSyncData {
-        const advancedBloomFilter = (filter as unknown) as PIXI.filters.AdvancedBloomFilter;
+        const advancedBloomFilter =
+          filter as unknown as PIXI.filters.AdvancedBloomFilter;
         return {
           th: advancedBloomFilter.threshold,
           bs: advancedBloomFilter.bloomScale,
@@ -92,7 +95,8 @@ namespace gdjs {
         filter: PIXI.Filter,
         syncData: AdvancedBloomFilterNetworkSyncData
       ) {
-        const advancedBloomFilter = (filter as unknown) as PIXI.filters.AdvancedBloomFilter;
+        const advancedBloomFilter =
+          filter as unknown as PIXI.filters.AdvancedBloomFilter;
         advancedBloomFilter.threshold = syncData.th;
         advancedBloomFilter.bloomScale = syncData.bs;
         advancedBloomFilter.brightness = syncData.bn;

Extensions/Effects/ascii-pixi-filter.ts

@@ -15,13 +15,13 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const asciiFilter = (filter as unknown) as PIXI.filters.AsciiFilter;
+        const asciiFilter = filter as unknown as PIXI.filters.AsciiFilter;
         if (parameterName === 'size') {
           asciiFilter.size = value;
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const asciiFilter = (filter as unknown) as PIXI.filters.AsciiFilter;
+        const asciiFilter = filter as unknown as PIXI.filters.AsciiFilter;
         if (parameterName === 'size') {
           return asciiFilter.size;
         }
@@ -46,14 +46,14 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): AsciiFilterNetworkSyncData {
-        const asciiFilter = (filter as unknown) as PIXI.filters.AsciiFilter;
+        const asciiFilter = filter as unknown as PIXI.filters.AsciiFilter;
         return { size: asciiFilter.size };
       }
       updateFromNetworkSyncData(
         filter: PIXI.Filter,
         data: AsciiFilterNetworkSyncData
       ) {
-        const asciiFilter = (filter as unknown) as PIXI.filters.AsciiFilter;
+        const asciiFilter = filter as unknown as PIXI.filters.AsciiFilter;
         asciiFilter.size = data.size;
       }
     })()

Extensions/Effects/bevel-pixi-filter.ts

@@ -25,7 +25,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const bevelFilter = (filter as unknown) as PIXI.filters.BevelFilter &
+        const bevelFilter = filter as unknown as PIXI.filters.BevelFilter &
           BevelFilterExtra;
         if (parameterName === 'rotation') {
           bevelFilter.rotation = value;
@@ -40,7 +40,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const bevelFilter = (filter as unknown) as PIXI.filters.BevelFilter &
+        const bevelFilter = filter as unknown as PIXI.filters.BevelFilter &
           BevelFilterExtra;
         if (parameterName === 'rotation') {
           return bevelFilter.rotation;
@@ -64,7 +64,7 @@ namespace gdjs {
         parameterName: string,
         value: string
       ) {
-        const bevelFilter = (filter as unknown) as PIXI.filters.BevelFilter &
+        const bevelFilter = filter as unknown as PIXI.filters.BevelFilter &
           BevelFilterExtra;
         if (parameterName === 'lightColor') {
           bevelFilter.lightColor = gdjs.rgbOrHexStringToNumber(value);
@@ -78,7 +78,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ): void {
-        const bevelFilter = (filter as unknown) as PIXI.filters.BevelFilter &
+        const bevelFilter = filter as unknown as PIXI.filters.BevelFilter &
           BevelFilterExtra;
         if (parameterName === 'lightColor') {
           bevelFilter.lightColor = value;
@@ -88,7 +88,7 @@ namespace gdjs {
         }
       }
       getColorParameter(filter: PIXI.Filter, parameterName: string): number {
-        const bevelFilter = (filter as unknown) as PIXI.filters.BevelFilter;
+        const bevelFilter = filter as unknown as PIXI.filters.BevelFilter;
         if (parameterName === 'lightColor') {
           return bevelFilter.lightColor;
         }
@@ -103,7 +103,7 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): BevelFilterNetworkSyncData {
-        const bevelFilter = (filter as unknown) as PIXI.filters.BevelFilter &
+        const bevelFilter = filter as unknown as PIXI.filters.BevelFilter &
           BevelFilterExtra;
         return {
           r: bevelFilter.rotation,
@@ -119,7 +119,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: BevelFilterNetworkSyncData
       ) {
-        const bevelFilter = (filter as unknown) as PIXI.filters.BevelFilter &
+        const bevelFilter = filter as unknown as PIXI.filters.BevelFilter &
           BevelFilterExtra;
         bevelFilter.rotation = data.r;
         bevelFilter.thickness = data.t;

Extensions/Effects/black-and-white-pixi-filter.ts

@@ -16,14 +16,14 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const colorMatrix = (filter as unknown) as PIXI.ColorMatrixFilter;
+        const colorMatrix = filter as unknown as PIXI.ColorMatrixFilter;
         if (parameterName !== 'opacity') {
           return;
         }
         colorMatrix.alpha = gdjs.PixiFiltersTools.clampValue(value, 0, 1);
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const colorMatrix = (filter as unknown) as PIXI.ColorMatrixFilter;
+        const colorMatrix = filter as unknown as PIXI.ColorMatrixFilter;
         if (parameterName === 'opacity') {
           return colorMatrix.alpha;
         }
@@ -50,14 +50,14 @@ namespace gdjs {
       getNetworkSyncData(
         filter: PIXI.Filter
       ): BlackAndWhiteFilterNetworkSyncData {
-        const colorMatrix = (filter as unknown) as PIXI.ColorMatrixFilter;
+        const colorMatrix = filter as unknown as PIXI.ColorMatrixFilter;
         return { a: colorMatrix.alpha };
       }
       updateFromNetworkSyncData(
         filter: PIXI.Filter,
         data: BlackAndWhiteFilterNetworkSyncData
       ) {
-        const colorMatrix = (filter as unknown) as PIXI.ColorMatrixFilter;
+        const colorMatrix = filter as unknown as PIXI.ColorMatrixFilter;
         colorMatrix.alpha = data.a;
       }
     })()

Extensions/Effects/blending-mode-pixi-filter.ts

@@ -16,7 +16,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const blendingModeFilter = (filter as unknown) as PIXI.AlphaFilter;
+        const blendingModeFilter = filter as unknown as PIXI.AlphaFilter;
         if (parameterName === 'alpha') {
           blendingModeFilter.alpha = value;
         } else if (parameterName === 'blendmode') {
@@ -24,7 +24,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const blendingModeFilter = (filter as unknown) as PIXI.AlphaFilter;
+        const blendingModeFilter = filter as unknown as PIXI.AlphaFilter;
         if (parameterName === 'alpha') {
           return blendingModeFilter.alpha;
         }
@@ -54,7 +54,7 @@ namespace gdjs {
       getNetworkSyncData(
         filter: PIXI.Filter
       ): BlendingModeFilterNetworkSyncData {
-        const blendingModeFilter = (filter as unknown) as PIXI.AlphaFilter;
+        const blendingModeFilter = filter as unknown as PIXI.AlphaFilter;
         return {
           a: blendingModeFilter.alpha,
           bm: blendingModeFilter.blendMode,
@@ -64,7 +64,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: BlendingModeFilterNetworkSyncData
       ) {
-        const blendingModeFilter = (filter as unknown) as PIXI.AlphaFilter;
+        const blendingModeFilter = filter as unknown as PIXI.AlphaFilter;
         blendingModeFilter.alpha = data.a;
         blendingModeFilter.blendMode = data.bm;
       }

Extensions/Effects/brightness-pixi-filter.ts

@@ -20,7 +20,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const brightnessFilter = (filter as unknown) as PIXI.ColorMatrixFilter &
+        const brightnessFilter = filter as unknown as PIXI.ColorMatrixFilter &
           BrightnessFilterExtra;
         if (parameterName !== 'brightness') {
           return;
@@ -30,7 +30,7 @@ namespace gdjs {
         brightnessFilter.brightness(brightness, false);
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const brightnessFilter = (filter as unknown) as PIXI.ColorMatrixFilter &
+        const brightnessFilter = filter as unknown as PIXI.ColorMatrixFilter &
           BrightnessFilterExtra;
         if (parameterName === 'brightness') {
           return brightnessFilter.__brightness;
@@ -56,7 +56,7 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): BrightnessFilterNetworkSyncData {
-        const brightnessFilter = (filter as unknown) as PIXI.ColorMatrixFilter &
+        const brightnessFilter = filter as unknown as PIXI.ColorMatrixFilter &
           BrightnessFilterExtra;
         return { b: brightnessFilter.__brightness };
       }
@@ -64,7 +64,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: BrightnessFilterNetworkSyncData
       ) {
-        const brightnessFilter = (filter as unknown) as PIXI.ColorMatrixFilter &
+        const brightnessFilter = filter as unknown as PIXI.ColorMatrixFilter &
           BrightnessFilterExtra;
         brightnessFilter.__brightness = data.b;
         brightnessFilter.brightness(data.b, false);

Extensions/Effects/bulge-pinch-pixi-filter.ts

@@ -18,7 +18,8 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const bulgePinchFilter = (filter as unknown) as PIXI.filters.BulgePinchFilter;
+        const bulgePinchFilter =
+          filter as unknown as PIXI.filters.BulgePinchFilter;
         if (parameterName === 'centerX') {
           bulgePinchFilter.center[0] = value;
         } else if (parameterName === 'centerY') {
@@ -34,7 +35,8 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const bulgePinchFilter = (filter as unknown) as PIXI.filters.BulgePinchFilter;
+        const bulgePinchFilter =
+          filter as unknown as PIXI.filters.BulgePinchFilter;
         if (parameterName === 'centerX') {
           return bulgePinchFilter.center[0];
         }
@@ -68,7 +70,8 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): BulgePinchFilterNetworkSyncData {
-        const bulgePinchFilter = (filter as unknown) as PIXI.filters.BulgePinchFilter;
+        const bulgePinchFilter =
+          filter as unknown as PIXI.filters.BulgePinchFilter;
         return {
           cx: bulgePinchFilter.center[0],
           cy: bulgePinchFilter.center[1],
@@ -80,7 +83,8 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: BulgePinchFilterNetworkSyncData
       ) {
-        const bulgePinchFilter = (filter as unknown) as PIXI.filters.BulgePinchFilter;
+        const bulgePinchFilter =
+          filter as unknown as PIXI.filters.BulgePinchFilter;
         bulgePinchFilter.center[0] = data.cx;
         bulgePinchFilter.center[1] = data.cy;
         bulgePinchFilter.radius = data.r;

Extensions/Effects/color-map-pixi-filter.ts

@@ -29,7 +29,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const colorMapFilter = (filter as unknown) as PIXI.filters.ColorMapFilter;
+        const colorMapFilter = filter as unknown as PIXI.filters.ColorMapFilter;
         if (parameterName === 'mix') {
           colorMapFilter.mix = gdjs.PixiFiltersTools.clampValue(
             value / 100,
@@ -39,7 +39,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const colorMapFilter = (filter as unknown) as PIXI.filters.ColorMapFilter;
+        const colorMapFilter = filter as unknown as PIXI.filters.ColorMapFilter;
         if (parameterName === 'mix') {
           return colorMapFilter.mix;
         }
@@ -63,20 +63,20 @@ namespace gdjs {
         parameterName: string,
         value: boolean
       ) {
-        const colorMapFilter = (filter as unknown) as PIXI.filters.ColorMapFilter;
+        const colorMapFilter = filter as unknown as PIXI.filters.ColorMapFilter;
         if (parameterName === 'nearest') {
           colorMapFilter.nearest = value;
         }
       }
       getNetworkSyncData(filter: PIXI.Filter): ColorMapFilterNetworkSyncData {
-        const colorMapFilter = (filter as unknown) as PIXI.filters.ColorMapFilter;
+        const colorMapFilter = filter as unknown as PIXI.filters.ColorMapFilter;
         return { mix: colorMapFilter.mix, near: colorMapFilter.nearest };
       }
       updateFromNetworkSyncData(
         filter: PIXI.Filter,
         data: ColorMapFilterNetworkSyncData
       ) {
-        const colorMapFilter = (filter as unknown) as PIXI.filters.ColorMapFilter;
+        const colorMapFilter = filter as unknown as PIXI.filters.ColorMapFilter;
         colorMapFilter.mix = data.mix;
         colorMapFilter.nearest = data.near;
       }

Extensions/Effects/color-replace-pixi-filter.ts

@@ -23,15 +23,17 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const colorReplaceFilter = (filter as unknown) as PIXI.filters.ColorReplaceFilter &
-          ColorReplaceFilterExtra;
+        const colorReplaceFilter =
+          filter as unknown as PIXI.filters.ColorReplaceFilter &
+            ColorReplaceFilterExtra;
         if (parameterName === 'epsilon') {
           colorReplaceFilter.epsilon = value;
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const colorReplaceFilter = (filter as unknown) as PIXI.filters.ColorReplaceFilter &
-          ColorReplaceFilterExtra;
+        const colorReplaceFilter =
+          filter as unknown as PIXI.filters.ColorReplaceFilter &
+            ColorReplaceFilterExtra;
         if (parameterName === 'epsilon') {
           return colorReplaceFilter.epsilon;
         }
@@ -42,8 +44,9 @@ namespace gdjs {
         parameterName: string,
         value: string
       ) {
-        const colorReplaceFilter = (filter as unknown) as PIXI.filters.ColorReplaceFilter &
-          ColorReplaceFilterExtra;
+        const colorReplaceFilter =
+          filter as unknown as PIXI.filters.ColorReplaceFilter &
+            ColorReplaceFilterExtra;
         if (parameterName === 'originalColor') {
           colorReplaceFilter.originalColor = gdjs.rgbOrHexStringToNumber(value);
         } else if (parameterName === 'newColor') {
@@ -55,8 +58,9 @@ namespace gdjs {
         parameterName: string,
         value: number
       ): void {
-        const colorReplaceFilter = (filter as unknown) as PIXI.filters.ColorReplaceFilter &
-          ColorReplaceFilterExtra;
+        const colorReplaceFilter =
+          filter as unknown as PIXI.filters.ColorReplaceFilter &
+            ColorReplaceFilterExtra;
         if (parameterName === 'originalColor') {
           colorReplaceFilter.originalColor = value;
         } else if (parameterName === 'newColor') {
@@ -64,8 +68,9 @@ namespace gdjs {
         }
       }
       getColorParameter(filter: PIXI.Filter, parameterName: string): number {
-        const colorReplaceFilter = (filter as unknown) as PIXI.filters.ColorReplaceFilter &
-          ColorReplaceFilterExtra;
+        const colorReplaceFilter =
+          filter as unknown as PIXI.filters.ColorReplaceFilter &
+            ColorReplaceFilterExtra;
         if (parameterName === 'originalColor') {
           return colorReplaceFilter.originalColor;
         } else if (parameterName === 'newColor') {
@@ -81,8 +86,9 @@ namespace gdjs {
       getNetworkSyncData(
         filter: PIXI.Filter
       ): ColorReplaceFilterNetworkSyncData {
-        const colorReplaceFilter = (filter as unknown) as PIXI.filters.ColorReplaceFilter &
-          ColorReplaceFilterExtra;
+        const colorReplaceFilter =
+          filter as unknown as PIXI.filters.ColorReplaceFilter &
+            ColorReplaceFilterExtra;
         return {
           e: colorReplaceFilter.epsilon,
           oc: colorReplaceFilter.originalColor,
@@ -93,8 +99,9 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: ColorReplaceFilterNetworkSyncData
       ) {
-        const colorReplaceFilter = (filter as unknown) as PIXI.filters.ColorReplaceFilter &
-          ColorReplaceFilterExtra;
+        const colorReplaceFilter =
+          filter as unknown as PIXI.filters.ColorReplaceFilter &
+            ColorReplaceFilterExtra;
         colorReplaceFilter.epsilon = data.e;
         colorReplaceFilter.originalColor = data.oc;
         colorReplaceFilter.newColor = data.nc;

Extensions/Effects/crt-pixi-filter.ts

@@ -23,13 +23,13 @@ namespace gdjs {
     new (class extends gdjs.PixiFiltersTools.PixiFilterCreator {
       makePIXIFilter(layer, effectData) {
         const filter = new PIXI.filters.CRTFilter();
-        const crtFilter = (filter as unknown) as PIXI.filters.CRTFilter &
+        const crtFilter = filter as unknown as PIXI.filters.CRTFilter &
           CRTFilterExtra;
         crtFilter._animationTimer = 0;
         return crtFilter;
       }
       updatePreRender(filter: PIXI.Filter, target: EffectsTarget) {
-        const crtFilter = (filter as unknown) as PIXI.filters.CRTFilter &
+        const crtFilter = filter as unknown as PIXI.filters.CRTFilter &
           CRTFilterExtra;
         if (crtFilter.animationSpeed !== 0) {
           // Multiply by 10 so that the default value is a sensible speed
@@ -49,7 +49,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const crtFilter = (filter as unknown) as PIXI.filters.CRTFilter &
+        const crtFilter = filter as unknown as PIXI.filters.CRTFilter &
           CRTFilterExtra;
         if (parameterName === 'lineWidth') {
           crtFilter.lineWidth = value;
@@ -76,7 +76,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const crtFilter = (filter as unknown) as PIXI.filters.CRTFilter &
+        const crtFilter = filter as unknown as PIXI.filters.CRTFilter &
           CRTFilterExtra;
         if (parameterName === 'lineWidth') {
           return crtFilter.lineWidth;
@@ -131,13 +131,13 @@ namespace gdjs {
         parameterName: string,
         value: boolean
       ) {
-        const crtFilter = (filter as unknown) as PIXI.filters.CRTFilter;
+        const crtFilter = filter as unknown as PIXI.filters.CRTFilter;
         if (parameterName === 'verticalLine') {
           crtFilter.verticalLine = value;
         }
       }
       getNetworkSyncData(filter: PIXI.Filter): CRTFilterNetworkSyncData {
-        const crtFilter = (filter as unknown) as PIXI.filters.CRTFilter &
+        const crtFilter = filter as unknown as PIXI.filters.CRTFilter &
           CRTFilterExtra;
         return {
           lw: crtFilter.lineWidth,
@@ -158,7 +158,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: CRTFilterNetworkSyncData
       ) {
-        const crtFilter = (filter as unknown) as PIXI.filters.CRTFilter &
+        const crtFilter = filter as unknown as PIXI.filters.CRTFilter &
           CRTFilterExtra;
         crtFilter.lineWidth = data.lw;
         crtFilter.lineContrast = data.lc;

Extensions/Effects/displacement-pixi-filter.ts

@@ -25,7 +25,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const displacementFilter = (filter as unknown) as PIXI.DisplacementFilter;
+        const displacementFilter = filter as unknown as PIXI.DisplacementFilter;
         if (parameterName === 'scaleX') {
           displacementFilter.scale.x = value;
         }
@@ -34,7 +34,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const displacementFilter = (filter as unknown) as PIXI.DisplacementFilter;
+        const displacementFilter = filter as unknown as PIXI.DisplacementFilter;
         if (parameterName === 'scaleX') {
           return displacementFilter.scale.x;
         }
@@ -64,7 +64,7 @@ namespace gdjs {
       getNetworkSyncData(
         filter: PIXI.Filter
       ): DisplacementFilterNetworkSyncData {
-        const displacementFilter = (filter as unknown) as PIXI.DisplacementFilter;
+        const displacementFilter = filter as unknown as PIXI.DisplacementFilter;
         return {
           sx: displacementFilter.scale.x,
           sy: displacementFilter.scale.y,
@@ -74,7 +74,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: DisplacementFilterNetworkSyncData
       ) {
-        const displacementFilter = (filter as unknown) as PIXI.DisplacementFilter;
+        const displacementFilter = filter as unknown as PIXI.DisplacementFilter;
         displacementFilter.scale.x = data.sx;
         displacementFilter.scale.y = data.sy;
       }

Extensions/Effects/dot-pixi-filter.ts

@@ -16,7 +16,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const dotFilter = (filter as unknown) as PIXI.filters.DotFilter;
+        const dotFilter = filter as unknown as PIXI.filters.DotFilter;
         if (parameterName === 'scale') {
           dotFilter.scale = value;
         } else if (parameterName === 'angle') {
@@ -24,7 +24,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const dotFilter = (filter as unknown) as PIXI.filters.DotFilter;
+        const dotFilter = filter as unknown as PIXI.filters.DotFilter;
         if (parameterName === 'scale') {
           return dotFilter.scale;
         }
@@ -52,14 +52,14 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): DotFilterNetworkSyncData {
-        const dotFilter = (filter as unknown) as PIXI.filters.DotFilter;
+        const dotFilter = filter as unknown as PIXI.filters.DotFilter;
         return { s: dotFilter.scale, a: dotFilter.angle };
       }
       updateFromNetworkSyncData(
         filter: PIXI.Filter,
         data: DotFilterNetworkSyncData
       ) {
-        const dotFilter = (filter as unknown) as PIXI.filters.DotFilter;
+        const dotFilter = filter as unknown as PIXI.filters.DotFilter;
         dotFilter.scale = data.s;
         dotFilter.angle = data.a;
       }

Extensions/Effects/drop-shadow-pixi-filter.ts

@@ -22,7 +22,8 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         if (parameterName === 'blur') {
           dropShadowFilter.blur = value;
         } else if (parameterName === 'quality') {
@@ -38,7 +39,8 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         if (parameterName === 'blur') {
           return dropShadowFilter.blur;
         }
@@ -64,7 +66,8 @@ namespace gdjs {
         parameterName: string,
         value: string
       ) {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         if (parameterName === 'color') {
           dropShadowFilter.color = gdjs.rgbOrHexStringToNumber(value);
         }
@@ -74,13 +77,15 @@ namespace gdjs {
         parameterName: string,
         value: number
       ): void {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         if (parameterName === 'color') {
           dropShadowFilter.color = value;
         }
       }
       getColorParameter(filter: PIXI.Filter, parameterName: string): number {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         if (parameterName === 'color') {
           return dropShadowFilter.color;
         }
@@ -91,13 +96,15 @@ namespace gdjs {
         parameterName: string,
         value: boolean
       ) {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         if (parameterName === 'shadowOnly') {
           dropShadowFilter.shadowOnly = value;
         }
       }
       getNetworkSyncData(filter: PIXI.Filter): DropShadowFilterNetworkSyncData {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         return {
           b: dropShadowFilter.blur,
           q: dropShadowFilter.quality,
@@ -113,7 +120,8 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: DropShadowFilterNetworkSyncData
       ) {
-        const dropShadowFilter = (filter as unknown) as PIXI.filters.DropShadowFilter;
+        const dropShadowFilter =
+          filter as unknown as PIXI.filters.DropShadowFilter;
         dropShadowFilter.blur = data.b;
         dropShadowFilter.quality = data.q;
         dropShadowFilter.alpha = data.a;

Extensions/Effects/glitch-pixi-filter.ts

@@ -24,13 +24,13 @@ namespace gdjs {
     new (class extends gdjs.PixiFiltersTools.PixiFilterCreator {
       makePIXIFilter(layer, effectData) {
         const filter = new PIXI.filters.GlitchFilter();
-        const glitchFilter = (filter as unknown) as PIXI.filters.GlitchFilter &
+        const glitchFilter = filter as unknown as PIXI.filters.GlitchFilter &
           GlitchFilterExtra;
         glitchFilter._animationTimer = 0;
         return glitchFilter;
       }
       updatePreRender(filter: PIXI.Filter, target: EffectsTarget) {
-        const glitchFilter = (filter as unknown) as PIXI.filters.GlitchFilter &
+        const glitchFilter = filter as unknown as PIXI.filters.GlitchFilter &
           GlitchFilterExtra;
         if (glitchFilter.animationFrequency !== 0) {
           glitchFilter._animationTimer += target.getElapsedTime() / 1000;
@@ -48,7 +48,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const glitchFilter = (filter as unknown) as PIXI.filters.GlitchFilter &
+        const glitchFilter = filter as unknown as PIXI.filters.GlitchFilter &
           GlitchFilterExtra;
         if (parameterName === 'slices') {
           glitchFilter.slices = value;
@@ -79,7 +79,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const glitchFilter = (filter as unknown) as PIXI.filters.GlitchFilter &
+        const glitchFilter = filter as unknown as PIXI.filters.GlitchFilter &
           GlitchFilterExtra;
         if (parameterName === 'slices') {
           return glitchFilter.slices;
@@ -140,14 +140,14 @@ namespace gdjs {
         parameterName: string,
         value: boolean
       ) {
-        const glitchFilter = (filter as unknown) as PIXI.filters.GlitchFilter &
+        const glitchFilter = filter as unknown as PIXI.filters.GlitchFilter &
           GlitchFilterExtra;
         if (parameterName === 'average') {
           glitchFilter.average = value;
         }
       }
       getNetworkSyncData(filter: PIXI.Filter): GlitchFilterNetworkSyncData {
-        const glitchFilter = (filter as unknown) as PIXI.filters.GlitchFilter &
+        const glitchFilter = filter as unknown as PIXI.filters.GlitchFilter &
           GlitchFilterExtra;
         return {
           s: glitchFilter.slices,
@@ -170,7 +170,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: GlitchFilterNetworkSyncData
       ) {
-        const glitchFilter = (filter as unknown) as PIXI.filters.GlitchFilter &
+        const glitchFilter = filter as unknown as PIXI.filters.GlitchFilter &
           GlitchFilterExtra;
         glitchFilter.slices = data.s;
         glitchFilter.offset = data.o;

Extensions/Effects/glow-pixi-filter.ts

@@ -21,7 +21,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const glowFilter = (filter as unknown) as PIXI.filters.GlowFilter &
+        const glowFilter = filter as unknown as PIXI.filters.GlowFilter &
           GlowFilterExtra;
         if (parameterName === 'innerStrength') {
           glowFilter.innerStrength = value;
@@ -32,7 +32,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const glowFilter = (filter as unknown) as PIXI.filters.GlowFilter &
+        const glowFilter = filter as unknown as PIXI.filters.GlowFilter &
           GlowFilterExtra;
         if (parameterName === 'innerStrength') {
           return glowFilter.innerStrength;
@@ -50,7 +50,7 @@ namespace gdjs {
         parameterName: string,
         value: string
       ) {
-        const glowFilter = (filter as unknown) as PIXI.filters.GlowFilter &
+        const glowFilter = filter as unknown as PIXI.filters.GlowFilter &
           GlowFilterExtra;
         if (parameterName === 'color') {
           glowFilter.color = gdjs.rgbOrHexStringToNumber(value);
@@ -61,14 +61,14 @@ namespace gdjs {
         parameterName: string,
         value: number
       ): void {
-        const glowFilter = (filter as unknown) as PIXI.filters.GlowFilter &
+        const glowFilter = filter as unknown as PIXI.filters.GlowFilter &
           GlowFilterExtra;
         if (parameterName === 'color') {
           glowFilter.color = value;
         }
       }
       getColorParameter(filter: PIXI.Filter, parameterName: string): number {
-        const glowFilter = (filter as unknown) as PIXI.filters.GlowFilter &
+        const glowFilter = filter as unknown as PIXI.filters.GlowFilter &
           GlowFilterExtra;
         if (parameterName === 'color') {
           return glowFilter.color;
@@ -81,7 +81,7 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): GlowFilterNetworkSyncData {
-        const glowFilter = (filter as unknown) as PIXI.filters.GlowFilter &
+        const glowFilter = filter as unknown as PIXI.filters.GlowFilter &
           GlowFilterExtra;
         return {
           is: glowFilter.innerStrength,
@@ -94,7 +94,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: GlowFilterNetworkSyncData
       ): void {
-        const glowFilter = (filter as unknown) as PIXI.filters.GlowFilter &
+        const glowFilter = filter as unknown as PIXI.filters.GlowFilter &
           GlowFilterExtra;
         glowFilter.innerStrength = data.is;
         glowFilter.outerStrength = data.os;

Extensions/Effects/godray-pixi-filter.ts

@@ -24,7 +24,7 @@ namespace gdjs {
         return godrayFilter;
       }
       updatePreRender(filter: PIXI.Filter, target: EffectsTarget) {
-        const godrayFilter = (filter as unknown) as PIXI.filters.GodrayFilter &
+        const godrayFilter = filter as unknown as PIXI.filters.GodrayFilter &
           GodrayFilterExtra;
         if (godrayFilter.animationSpeed !== 0) {
           godrayFilter.time +=
@@ -36,7 +36,7 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const godrayFilter = (filter as unknown) as PIXI.filters.GodrayFilter &
+        const godrayFilter = filter as unknown as PIXI.filters.GodrayFilter &
           GodrayFilterExtra;
         if (parameterName === 'lacunarity') {
           godrayFilter.lacunarity = value;
@@ -57,7 +57,7 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const godrayFilter = (filter as unknown) as PIXI.filters.GodrayFilter &
+        const godrayFilter = filter as unknown as PIXI.filters.GodrayFilter &
           GodrayFilterExtra;
         if (parameterName === 'lacunarity') {
           return godrayFilter.lacunarity;
@@ -103,14 +103,14 @@ namespace gdjs {
         parameterName: string,
         value: boolean
       ) {
-        const godrayFilter = (filter as unknown) as PIXI.filters.GodrayFilter &
+        const godrayFilter = filter as unknown as PIXI.filters.GodrayFilter &
           GodrayFilterExtra;
         if (parameterName === 'parallel') {
           godrayFilter.parallel = value;
         }
       }
       getNetworkSyncData(filter: PIXI.Filter): GodrayFilterNetworkSyncData {
-        const godrayFilter = (filter as unknown) as PIXI.filters.GodrayFilter &
+        const godrayFilter = filter as unknown as PIXI.filters.GodrayFilter &
           GodrayFilterExtra;
         return {
           la: godrayFilter.lacunarity,
@@ -128,7 +128,7 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: GodrayFilterNetworkSyncData
       ) {
-        const godrayFilter = (filter as unknown) as PIXI.filters.GodrayFilter &
+        const godrayFilter = filter as unknown as PIXI.filters.GodrayFilter &
           GodrayFilterExtra;
         godrayFilter.lacunarity = data.la;
         godrayFilter.angle = data.a;

Extensions/Effects/kawase-blur-pixi-filter.ts

@@ -18,7 +18,8 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const kawaseBlurFilter = (filter as unknown) as PIXI.filters.KawaseBlurFilter;
+        const kawaseBlurFilter =
+          filter as unknown as PIXI.filters.KawaseBlurFilter;
         if (parameterName === 'pixelizeX') {
           kawaseBlurFilter.pixelSize[0] = value;
         } else if (parameterName === 'pixelizeY') {
@@ -30,7 +31,8 @@ namespace gdjs {
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const kawaseBlurFilter = (filter as unknown) as PIXI.filters.KawaseBlurFilter;
+        const kawaseBlurFilter =
+          filter as unknown as PIXI.filters.KawaseBlurFilter;
         if (parameterName === 'pixelizeX') {
           return kawaseBlurFilter.pixelSize[0];
         }
@@ -64,7 +66,8 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): KawaseBlurFilterNetworkSyncData {
-        const kawaseBlurFilter = (filter as unknown) as PIXI.filters.KawaseBlurFilter;
+        const kawaseBlurFilter =
+          filter as unknown as PIXI.filters.KawaseBlurFilter;
         return {
           px: kawaseBlurFilter.pixelSize[0],
           py: kawaseBlurFilter.pixelSize[1],
@@ -76,7 +79,8 @@ namespace gdjs {
         filter: PIXI.Filter,
         data: KawaseBlurFilterNetworkSyncData
       ) {
-        const kawaseBlurFilter = (filter as unknown) as PIXI.filters.KawaseBlurFilter;
+        const kawaseBlurFilter =
+          filter as unknown as PIXI.filters.KawaseBlurFilter;
         kawaseBlurFilter.pixelSize[0] = data.px;
         kawaseBlurFilter.pixelSize[1] = data.py;
         kawaseBlurFilter.blur = data.b;

Extensions/Effects/noise-pixi-filter.ts

@@ -15,13 +15,13 @@ namespace gdjs {
         parameterName: string,
         value: number
       ) {
-        const noiseFilter = (filter as unknown) as PIXI.NoiseFilter;
+        const noiseFilter = filter as unknown as PIXI.NoiseFilter;
         if (parameterName === 'noise') {
           noiseFilter.noise = gdjs.PixiFiltersTools.clampValue(value, 0, 1);
         }
       }
       getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
-        const noiseFilter = (filter as unknown) as PIXI.NoiseFilter;
+        const noiseFilter = filter as unknown as PIXI.NoiseFilter;
         if (parameterName === 'noise') {
           return noiseFilter.noise;
         }
@@ -46,14 +46,14 @@ namespace gdjs {
         value: boolean
       ) {}
       getNetworkSyncData(filter: PIXI.Filter): NoiseFilterNetworkSyncData {
-        const noiseFilter = (filter as unknown) as PIXI.NoiseFilter;
+        const noiseFilter = filter as unknown as PIXI.NoiseFilter;
         return { n: noiseFilter.noise };
       }
       updateFromNetworkSyncData(
         filter: PIXI.Filter,
         data: NoiseFilterNetworkSyncData
       ) {
-        const noiseFilter = (filter as unknown) as PIXI.NoiseFilter;
+        const noiseFilter = filter as unknown as PIXI.NoiseFilter;
         noiseFilter.noise = data.n;
       }
     })()