[Reviewed] [Sticker] Allow to destroy stuck objects with their parent (#975)

Author: D8H

extensions/reviewed/Sticker.json

@@ -8,11 +8,12 @@
   "name": "Sticker",
   "previewIconUrl": "https://resources.gdevelop-app.com/assets/Icons/sticker-outline.svg",
   "shortDescription": "Make objects follow the position and rotation of the object they are stuck to.",
-  "version": "0.3.5",
+  "version": "0.4.0",
   "description": [
     "This extension can be useful to:",
-    "* Stick accessories to moving objects,",
-    "* Animate a skeleton.",
+    "* Stick accessories to moving objects",
+    "* Animate a skeleton",
+    "* Delete an object with another one",
     "",
     "An example allows to check it out ([open the project online](https://editor.gdevelop.io/?project=example://stick-objects))."
   ],
@@ -114,18 +115,21 @@
                 "const behavior = object.getBehavior(behaviorName);",
                 "",
                 "// Set up the scene sticker objects list - if not done already.",
-                "if (!runtimeScene.__allStickers)",
-                "    runtimeScene.__allStickers = new Set();",
+                "runtimeScene.__allStickers = runtimeScene.__allStickers || new Set();",
                 "",
                 "// Set up the behavior extra methods - if not done already.",
                 "const prototype = Object.getPrototypeOf(behavior);",
                 "if (!prototype.updateRelativeCoordinates) {",
                 "    // Unstick from deleted objects.",
                 "    gdjs.registerObjectDeletedFromSceneCallback(function (runtimeScene, deletedObject) {",
-                "        if (!runtimeScene.__allStickers) return;",
+                "        const allStickers = runtimeScene.__allStickers;",
+                "        if (!allStickers) return;",
                 "",
-                "        for (const sticker of runtimeScene.__allStickers) {",
+                "        for (const sticker of allStickers) {",
                 "            if (sticker.basisObject === deletedObject) {",
+                "                if (sticker._getIsDestroyedWithParent()) {",
+                "                  sticker.owner.deleteFromScene(runtimeScene);",
+                "                }",
                 "                sticker.basisObject = null;",
                 "            }",
                 "        }",
@@ -503,6 +507,16 @@
           "extraInformation": [],
           "hidden": false,
           "name": "OnlyFollowPosition"
+        },
+        {
+          "value": "",
+          "type": "Boolean",
+          "label": "Destroy when the object it's stuck on is destroyed",
+          "description": "",
+          "group": "",
+          "extraInformation": [],
+          "hidden": false,
+          "name": "IsDestroyedWithParent"
         }
       ],
       "sharedPropertyDescriptors": []