从 tslib 导入辅助函数

packages/core/src/ECS/Scene.ts

@@ -14,7 +14,6 @@ import { SceneSerializer, SceneSerializationOptions, SceneDeserializationOptions
 import { IncrementalSerializer, IncrementalSnapshot, IncrementalSerializationOptions } from './Serialization/IncrementalSerializer';
 import { ComponentPoolManager } from './Core/ComponentPool';
 import { PerformanceMonitor } from '../Utils/PerformanceMonitor';
-import { Core } from '../Core';
 import { ServiceContainer, type ServiceType } from '../Core/ServiceContainer';
 import { createInstance, isInjectable } from '../Core/DI';
 import { isUpdatable, getUpdatableMetadata } from '../Core/DI/Decorators';
@@ -183,11 +182,9 @@ export class Scene implements IScene {
         this._services = new ServiceContainer();
         this.logger = createLogger('Scene');
 
-        if (config?.performanceMonitor) {
-            this._performanceMonitor = config.performanceMonitor;
-        } else {
-            this._performanceMonitor = Core.services.resolve(PerformanceMonitor);
-        }
+        // 从配置获取 PerformanceMonitor，如果未提供则创建一个新实例
+        // Scene 应该是独立的，不依赖于 Core，通过构造函数参数明确依赖关系
+        this._performanceMonitor = config?.performanceMonitor || new PerformanceMonitor();
 
         if (config?.name) {
             this.name = config.name;

packages/core/src/ECS/SceneManager.ts

@@ -1,7 +1,6 @@
 import { IScene } from './IScene';
 import { ECSFluentAPI, createECSAPI } from './Core/FluentAPI';
 import { Time } from '../Utils/Time';
-import { Core } from '../Core';
 import { createLogger } from '../Utils/Logger';
 import type { IService } from '../Core/ServiceContainer';
 
@@ -68,6 +67,21 @@ export class SceneManager implements IService {
      */
     private _logger = createLogger('SceneManager');
 
+    /**
+     * 场景切换回调函数
+     */
+    private _onSceneChangedCallback?: () => void;
+
+    /**
+     * 设置场景切换回调
+     *
+     * @param callback 场景切换时的回调函数
+     * @internal
+     */
+    public setSceneChangedCallback(callback: () => void): void {
+        this._onSceneChangedCallback = callback;
+    }
+
     /**
      * 设置当前场景（立即切换）
      *
@@ -104,10 +118,9 @@ export class SceneManager implements IService {
         // 触发场景切换回调
         Time.sceneChanged();
 
-        // 通知调试管理器
-        const coreInstance = Core.Instance;
-        if (coreInstance && coreInstance._debugManager) {
-            coreInstance._debugManager.onSceneChanged();
+        // 通知调试管理器（通过回调）
+        if (this._onSceneChangedCallback) {
+            this._onSceneChangedCallback();
         }
 
         this._logger.info(`Scene changed to: ${scene.name}`);