fix children of deleted clips not being found in cache

engine/dist/emptyproject.html

@@ -14,7 +14,7 @@
         <!-- The Wick Engine build is injected here during the engine build step (see gulpfile.js) -->
         <script>
             /*Wick Engine https://github.com/Wicklets/wick-engine*/
-var WICK_ENGINE_BUILD_VERSION = "2025.10.26.20.55.41";
+var WICK_ENGINE_BUILD_VERSION = "2026.1.10.14.29.18";
 /*!
  * Paper.js v0.12.4 - The Swiss Army Knife of Vector Graphics Scripting.
  * http://paperjs.org/
@@ -46545,6 +46545,11 @@
    * @param {Wick.Base} object - the object to remove from the cache
    */
   removeObject(object) {
+    // let info = "";
+    // info +=   "classname " + object.classname;
+    // info += "\n     uuid " + object.uuid.substring(0, 4);
+    // console.log(info);
+
     if (object.classname === 'Project') {
       object.destroy();
       return; // TODO, remove this.
@@ -46611,11 +46616,14 @@
     let uuidSet = new Set(uuids);
     let historyIDs = project.history.getObjectUUIDs();
     uuidSet = new Set([...historyIDs, ...uuidSet]);
+    let info = "removeUnusedObjects()";
     this.getAllObjects().forEach(object => {
       if (!uuidSet.has(object.uuid)) {
+        info += "\n" + object.classname.padEnd(10, " ") + object.uuid;
         this.removeObject(object);
       }
     });
+    console.log(info);
   }
 
   /**
@@ -46672,6 +46680,27 @@
   getObjectsNeedAutosaved() {
     return Object.keys(this._objectsNeedAutosave).map(uuid => this.getObjectByUUID(uuid));
   }
+  static _getObjectsDebug() {
+    let out = [];
+    let print = "";
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      let line = elem.classname.padEnd(10, " ") + elem.uuid;
+      if (elem._name) line += ": name = " + elem._name;else if (elem._identifier) line += ": id =   " + elem._identifier;
+      //else if(elem._parent._identifier) line += (": parent = " + elem._parent._identifier);
+
+      out.push(line);
+    }
+    for (let line of out.sort()) {
+      print += "" + line + "\n";
+    }
+    console.log(print);
+  }
+  static _getObjectsInfoDebug() {
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      console.log("\n\n" + elem.classname + " " + elem.uuid);
+      console.log(Wick.ObjectCache.getObjectByUUID(elem.uuid));
+    }
+  }
 };
 Wick.ObjectCache = new WickObjectCache();
 /*

engine/dist/wickengine.js

@@ -1,5 +1,5 @@
 /*Wick Engine https://github.com/Wicklets/wick-engine*/
-var WICK_ENGINE_BUILD_VERSION = "2025.10.26.20.55.41";
+var WICK_ENGINE_BUILD_VERSION = "2026.1.10.14.29.18";
 /*!
  * Paper.js v0.12.4 - The Swiss Army Knife of Vector Graphics Scripting.
  * http://paperjs.org/
@@ -46530,6 +46530,11 @@ WickObjectCache = class {
    * @param {Wick.Base} object - the object to remove from the cache
    */
   removeObject(object) {
+    // let info = "";
+    // info +=   "classname " + object.classname;
+    // info += "\n     uuid " + object.uuid.substring(0, 4);
+    // console.log(info);
+
     if (object.classname === 'Project') {
       object.destroy();
       return; // TODO, remove this.
@@ -46596,11 +46601,14 @@ WickObjectCache = class {
     let uuidSet = new Set(uuids);
     let historyIDs = project.history.getObjectUUIDs();
     uuidSet = new Set([...historyIDs, ...uuidSet]);
+    let info = "removeUnusedObjects()";
     this.getAllObjects().forEach(object => {
       if (!uuidSet.has(object.uuid)) {
+        info += "\n" + object.classname.padEnd(10, " ") + object.uuid;
         this.removeObject(object);
       }
     });
+    console.log(info);
   }
 
   /**
@@ -46657,6 +46665,27 @@ WickObjectCache = class {
   getObjectsNeedAutosaved() {
     return Object.keys(this._objectsNeedAutosave).map(uuid => this.getObjectByUUID(uuid));
   }
+  static _getObjectsDebug() {
+    let out = [];
+    let print = "";
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      let line = elem.classname.padEnd(10, " ") + elem.uuid;
+      if (elem._name) line += ": name = " + elem._name;else if (elem._identifier) line += ": id =   " + elem._identifier;
+      //else if(elem._parent._identifier) line += (": parent = " + elem._parent._identifier);
+
+      out.push(line);
+    }
+    for (let line of out.sort()) {
+      print += "" + line + "\n";
+    }
+    console.log(print);
+  }
+  static _getObjectsInfoDebug() {
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      console.log("\n\n" + elem.classname + " " + elem.uuid);
+      console.log(Wick.ObjectCache.getObjectByUUID(elem.uuid));
+    }
+  }
 };
 Wick.ObjectCache = new WickObjectCache();
 /*

engine/src/ObjectCache.js

@@ -122,11 +122,20 @@ WickObjectCache = class {
 
         uuidSet = new Set([...historyIDs, ...uuidSet]);
 
-        this.getAllObjects().forEach(object => {
-            if(!uuidSet.has(object.uuid)) {
-                this.removeObject(object);
-            }
-        });
+        // // check what objects were removed during cache clear, like when the project is paused - Baron
+        // let info = "removeUnusedObjects()"
+        // this.getAllObjects().forEach(object => {
+        //     if(!uuidSet.has(object.uuid)) {
+        //         info += "\n" + object.classname.padEnd(10, " ") + object.uuid;
+
+        //         // Check if the object has a parent in the object cache - StickmanRed
+        //         let topLevelClip = object.topLevelClip;
+        //         if (!topLevelClip || !uuidSet.has(topLevelClip.uuid)) {
+        //             this.removeObject(object);
+        //         }
+        //     }
+        // });
+        // console.log(info);
     }
 
     /**
@@ -183,6 +192,38 @@ WickObjectCache = class {
     getObjectsNeedAutosaved () {
         return Object.keys(this._objectsNeedAutosave).map(uuid => this.getObjectByUUID(uuid));
     }
+
+    /**
+     * DEBUG: Log basic information about every object in the cache: type, uuid, and id/name if applicable
+     */
+    static _getObjectsDebug() {
+        let out = [];
+        let print = "";
+        for(let elem of Wick.ObjectCache.getAllObjects()) {
+            let line = elem.classname.padEnd(10, " ") + elem.uuid;
+
+            if(elem._name) line += (": name = " + elem._name);
+            else if(elem._identifier) line += (": id =   " + elem._identifier);
+            //else if(elem._parent._identifier) line += (": parent = " + elem._parent._identifier);
+
+            out.push(line);
+        }
+        for(let line of out.sort()) {
+            print += "" + line + "\n";
+        }
+        print += "Total: " + Wick.ObjectCache.getAllObjects().length;
+        console.log(print);
+    }
+
+    /**
+     * DEBUG: Shortcut to call getObjectByUUID() on all objects in the cache
+     */
+    static _getObjectsDebugDetailed() {
+        for(let elem of Wick.ObjectCache.getAllObjects()) {
+            console.log("\n\n" + elem.classname + " " + elem.uuid);
+            console.log(Wick.ObjectCache.getObjectByUUID(elem.uuid));
+        }
+    }
 }
 
 Wick.ObjectCache = new WickObjectCache();

engine/src/base/Base.js

@@ -441,6 +441,25 @@ Wick.Base = class {
         return this._getParentByClassName('Clip');
     }
 
+    /**
+     * The top-level clip of this object.
+     * @type {Wick.Clip}
+     */
+    get topLevelClip () {
+        let topLevelClip = this.parentClip;
+
+        while (
+            topLevelClip
+            && topLevelClip.parentClip
+            && !topLevelClip.parentClip.isRoot
+        ) {
+            topLevelClip = topLevelClip.parentClip;
+        }
+
+        return topLevelClip;
+    }
+
+
     /**
      * The parent Layer of this object.
      * @type {Wick.Layer}

public/corelibs/wick-engine/emptyproject.html

@@ -14,7 +14,7 @@
         <!-- The Wick Engine build is injected here during the engine build step (see gulpfile.js) -->
         <script>
             /*Wick Engine https://github.com/Wicklets/wick-engine*/
-var WICK_ENGINE_BUILD_VERSION = "2025.10.26.20.55.41";
+var WICK_ENGINE_BUILD_VERSION = "2026.1.10.14.29.18";
 /*!
  * Paper.js v0.12.4 - The Swiss Army Knife of Vector Graphics Scripting.
  * http://paperjs.org/
@@ -46545,6 +46545,11 @@
    * @param {Wick.Base} object - the object to remove from the cache
    */
   removeObject(object) {
+    // let info = "";
+    // info +=   "classname " + object.classname;
+    // info += "\n     uuid " + object.uuid.substring(0, 4);
+    // console.log(info);
+
     if (object.classname === 'Project') {
       object.destroy();
       return; // TODO, remove this.
@@ -46611,11 +46616,14 @@
     let uuidSet = new Set(uuids);
     let historyIDs = project.history.getObjectUUIDs();
     uuidSet = new Set([...historyIDs, ...uuidSet]);
+    let info = "removeUnusedObjects()";
     this.getAllObjects().forEach(object => {
       if (!uuidSet.has(object.uuid)) {
+        info += "\n" + object.classname.padEnd(10, " ") + object.uuid;
         this.removeObject(object);
       }
     });
+    console.log(info);
   }
 
   /**
@@ -46672,6 +46680,27 @@
   getObjectsNeedAutosaved() {
     return Object.keys(this._objectsNeedAutosave).map(uuid => this.getObjectByUUID(uuid));
   }
+  static _getObjectsDebug() {
+    let out = [];
+    let print = "";
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      let line = elem.classname.padEnd(10, " ") + elem.uuid;
+      if (elem._name) line += ": name = " + elem._name;else if (elem._identifier) line += ": id =   " + elem._identifier;
+      //else if(elem._parent._identifier) line += (": parent = " + elem._parent._identifier);
+
+      out.push(line);
+    }
+    for (let line of out.sort()) {
+      print += "" + line + "\n";
+    }
+    console.log(print);
+  }
+  static _getObjectsInfoDebug() {
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      console.log("\n\n" + elem.classname + " " + elem.uuid);
+      console.log(Wick.ObjectCache.getObjectByUUID(elem.uuid));
+    }
+  }
 };
 Wick.ObjectCache = new WickObjectCache();
 /*

public/corelibs/wick-engine/wickengine.js

@@ -1,5 +1,5 @@
 /*Wick Engine https://github.com/Wicklets/wick-engine*/
-var WICK_ENGINE_BUILD_VERSION = "2025.10.26.20.55.41";
+var WICK_ENGINE_BUILD_VERSION = "2026.1.10.14.29.18";
 /*!
  * Paper.js v0.12.4 - The Swiss Army Knife of Vector Graphics Scripting.
  * http://paperjs.org/
@@ -46530,6 +46530,11 @@ WickObjectCache = class {
    * @param {Wick.Base} object - the object to remove from the cache
    */
   removeObject(object) {
+    // let info = "";
+    // info +=   "classname " + object.classname;
+    // info += "\n     uuid " + object.uuid.substring(0, 4);
+    // console.log(info);
+
     if (object.classname === 'Project') {
       object.destroy();
       return; // TODO, remove this.
@@ -46596,11 +46601,14 @@ WickObjectCache = class {
     let uuidSet = new Set(uuids);
     let historyIDs = project.history.getObjectUUIDs();
     uuidSet = new Set([...historyIDs, ...uuidSet]);
+    let info = "removeUnusedObjects()";
     this.getAllObjects().forEach(object => {
       if (!uuidSet.has(object.uuid)) {
+        info += "\n" + object.classname.padEnd(10, " ") + object.uuid;
         this.removeObject(object);
       }
     });
+    console.log(info);
   }
 
   /**
@@ -46657,6 +46665,27 @@ WickObjectCache = class {
   getObjectsNeedAutosaved() {
     return Object.keys(this._objectsNeedAutosave).map(uuid => this.getObjectByUUID(uuid));
   }
+  static _getObjectsDebug() {
+    let out = [];
+    let print = "";
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      let line = elem.classname.padEnd(10, " ") + elem.uuid;
+      if (elem._name) line += ": name = " + elem._name;else if (elem._identifier) line += ": id =   " + elem._identifier;
+      //else if(elem._parent._identifier) line += (": parent = " + elem._parent._identifier);
+
+      out.push(line);
+    }
+    for (let line of out.sort()) {
+      print += "" + line + "\n";
+    }
+    console.log(print);
+  }
+  static _getObjectsInfoDebug() {
+    for (let elem of Wick.ObjectCache.getAllObjects()) {
+      console.log("\n\n" + elem.classname + " " + elem.uuid);
+      console.log(Wick.ObjectCache.getObjectByUUID(elem.uuid));
+    }
+  }
 };
 Wick.ObjectCache = new WickObjectCache();
 /*