Fix LOD can not work normally while node's active changed dynamically

cocos/3d/lod/lodgroup-component.ts

@@ -205,7 +205,7 @@
      */
     public setRenderer (index: number, renderer: MeshRenderer): void {
         if (index < 0 || index >= this.rendererCount) {
             console.error('setRenderer to LOD error, index out of range');
             return;
         }
         this.deleteRenderer(index);
@@ -242,6 +242,8 @@
 
     private _eventRegistered = false;
 
+    private _forceUsedLevels: number[] = [];
+
     constructor () {
         super();
     }
@@ -378,12 +380,12 @@
      */
     public eraseLOD (index: number): LOD | null {
         if (index < 0 || index >= this.lodCount) {
             console.warn('eraseLOD error, index out of range');
             return null;
         }
         const lod = this._LODs[index];
         if (!lod) {
             console.warn('eraseLOD error, LOD not exist at specified index.');
             return null;
         }
         this._LODs.splice(index, 1);
@@ -401,7 +403,7 @@
      */
     public getLOD (index: number): LOD | null {
         if (index < 0 || index >= this.lodCount) {
             console.warn('getLOD error, index out of range');
             return null;
         }
         return this._LODs[index];
@@ -415,7 +417,7 @@
      */
     public setLOD (index: number, lod: LOD): void {
         if (index < 0 || index >= this.lodCount) {
             console.warn('setLOD error, index out of range');
             return;
         }
         this._LODs[index] = lod;
@@ -543,7 +545,20 @@
      * lodLevel @en The LOD level to use. Passing lodLevel < 0 will return to standard LOD processing. @zh 要使用的LOD层级，为负数时使用标准的处理流程
      */
     public forceLOD (lodLevel: number): void {
-        this.lodGroup.lockLODLevels(lodLevel < 0 ? [] : [lodLevel]);
+        this._forceUsedLevels = lodLevel < 0 ? [] : [lodLevel];
+        this.lodGroup.lockLODLevels(this._forceUsedLevels);
+    }
+
+    /**
+     * @en Force multi LOD level to use, This function is only called in editor.<br/>
+     * @zh 强制使用某几级的LOD,该接口只会在编辑器下调用。
+     * lodIndexArray @en The LOD level array. Passing [] will return to standard LOD processing. @zh 要使用的LOD层级数组，传[]时将使用标准的处理流程。
+     */
+    public forceLODs (lodIndexArray: number[]): void {
+        if (EDITOR) {
+            this._forceUsedLevels = lodIndexArray.slice();
+            this.lodGroup.lockLODLevels(this._forceUsedLevels);
+        }
     }
 
     onLoad (): void {
@@ -587,6 +602,7 @@
         if (this.objectSize === 0) {
             this.recalculateBounds();
         }
+        this.lodGroup.lockLODLevels(this._forceUsedLevels);
 
         // cache lod for scene
         if (this.lodCount > 0 && this._lodGroup.lodCount < 1) {
@@ -609,6 +625,7 @@
 
     onDisable (): void {
         this._detachFromScene();
+        this.lodGroup.lockLODLevels([]);
     }
 
     private _attachToScene (): void {
@@ -625,9 +642,6 @@
         if (this._lodGroup.scene) { this._lodGroup.scene.removeLODGroup(this._lodGroup); }
     }
 
-    /**
-     * @engineInternal
-     */
     private _emitChangeNode (node: Node): void {
         if (EDITOR) {
             EditorExtends.Node.emit('change', node.uuid, node);

cocos/render-scene/scene/lod-group.ts

@@ -126,7 +126,7 @@ export class LODGroup {
                 }
             }
         }
-        this._lockedLODLevelVec = lockLev;
+        this._lockedLODLevelVec = lockLev.slice();
     }
 
     isLockLevelChanged (): boolean {

cocos/rendering/lod-group-editor-utility.ts

@@ -66,15 +66,6 @@ export class LODGroupEditorUtility {
         return this.distanceToRelativeHeight(camera, distance, this.getWorldSpaceSize(lodGroup));
     }
 
-    /**
-     * @zh 强制使用某几级的LOD
-     * @en Force multi LOD level to use.
-     * lodIndexArray @en The LOD level array. Passing [] will return to standard LOD processing. @zh 要使用的LOD层级数组，传[]时将使用标准的处理流程。
-     */
-    static forceLODs (lodGroup: LODGroup, lodIndexArray: number[]) {
-        lodGroup.lodGroup.lockLODLevels(lodIndexArray);
-    }
-
     private static distanceToRelativeHeight (camera: Camera, distance: number | undefined, size: number): number {
         if (camera.projectionType === CameraProjection.PERSPECTIVE) {
             assertIsTrue(typeof distance === 'number', 'distance must be present for perspective projection');

cocos/scene-graph/node-activator.ts

@@ -116,7 +116,7 @@
 
 function _componentCorrupted (node: Node, comp: Component, index: number): void {
     errorID(3817, node.name, index);
     console.log('Corrupted component value:', comp);
     if (comp) {
         node._removeComponent(comp);
     } else {
@@ -129,7 +129,7 @@
  * @zh 用于执行节点和组件的激活和停用操作的管理器。
  */
 export default class NodeActivator {
-    public resetComp?: ((comp: Component, didResetToDefault: boolean) => void);
+    public declare resetComp?: ((comp: Component, didResetToDefault: boolean) => void);
     protected _activatingStack!: ActivateTask[];
 
     constructor () {
@@ -242,7 +242,7 @@
         }
     }
 
     protected _activateNodeRecursively (node: Node, preloadInvoker: UnsortedInvoker, onLoadInvoker: OneOffInvoker, onEnableInvoker: OneOffInvoker): void {
         if (node._objFlags & Deactivating) {
             // en:
             // Forbid reactive the same node during its deactivating procedure
@@ -325,7 +325,7 @@
 
 if (EDITOR) {
     const callPreloadInTryCatch = tryCatchFunctor_EDITOR('__preload');
     const callOnLoadInTryCatch = function (c: Component): void {
         try {
             c.internalOnLoad?.();
         } catch (e) {
@@ -351,7 +351,7 @@
         }
     };
 
     NodeActivator.prototype.activateComp = (comp: Component, preloadInvoker: UnsortedInvoker, onLoadInvoker: OneOffInvoker, onEnableInvoker: OneOffInvoker): void => {
         if (!isValid(comp, true)) {
             // destroyed before activating
             return;
@@ -401,7 +401,7 @@
         if (comp.internalOnDestroy && (comp._objFlags & IsOnLoadCalled)) {
             // NOTE: _executeInEditMode is dynamically injected on Editor environment
             if (legacyCC.GAME_VIEW || (comp.constructor as any)._executeInEditMode) {
                 callOnDestroyInTryCatch && callOnDestroyInTryCatch(comp);
             }
         }
     };