Scene 构造函数注入 PerformanceMonitor

packages/core/src/ECS/IScene.ts

@@ -165,4 +165,12 @@ export interface ISceneConfig {
      * 场景名称
      */
     name?: string;
+
+    /**
+     * 性能监控器实例（可选）
+     *
+     * 如果不提供，Scene会自动从Core.services获取全局PerformanceMonitor。
+     * 提供此参数可以实现场景级别的独立性能监控。
+     */
+    performanceMonitor?: any;
 }

packages/core/src/ECS/Scene.ts

@@ -89,6 +89,13 @@ export class Scene implements IScene {
      */
     private readonly logger: ReturnType<typeof createLogger>;
 
+    /**
+     * 性能监控器
+     *
+     * 用于监控场景和系统的性能。可以在构造函数中注入，如果不提供则从Core获取。
+     */
+    private readonly _performanceMonitor: PerformanceMonitor;
+
     /**
      * 场景是否已开始运行
      */
@@ -167,6 +174,12 @@ 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);
+        }
+
         if (config?.name) {
             this.name = config.name;
         }
@@ -547,8 +560,7 @@ export class Scene implements IScene {
 
         system.scene = this;
 
-        const perfMonitor = Core.services.resolve(PerformanceMonitor);
-        system.setPerformanceMonitor(perfMonitor);
+        system.setPerformanceMonitor(this._performanceMonitor);
 
         const metadata = getSystemMetadata(constructor);
         if (metadata?.updateOrder !== undefined) {

packages/core/tests/ECS/Scene.test.ts

@@ -588,4 +588,57 @@ describe('Scene - 场景管理系统测试', () => {
             }).not.toThrow();
         });
     });
+
+    describe('依赖注入优化', () => {
+        test('应该支持注入自定义PerformanceMonitor', () => {
+            const mockPerfMonitor = {
+                startMeasure: jest.fn(),
+                endMeasure: jest.fn(),
+                recordSystemData: jest.fn(),
+                recordEntityCount: jest.fn(),
+                recordComponentCount: jest.fn(),
+                update: jest.fn(),
+                getSystemData: jest.fn(),
+                getSystemStats: jest.fn(),
+                resetSystem: jest.fn(),
+                reset: jest.fn(),
+                dispose: jest.fn()
+            };
+
+            const customScene = new Scene({
+                name: 'CustomScene',
+                performanceMonitor: mockPerfMonitor as any
+            });
+
+            class TestSystem extends EntitySystem {
+                constructor() {
+                    super(Matcher.empty().all(PositionComponent));
+                }
+            }
+
+            const system = new TestSystem();
+            customScene.addEntityProcessor(system);
+
+            expect(mockPerfMonitor).toBeDefined();
+
+            customScene.end();
+        });
+
+        test('未提供PerformanceMonitor时应该从Core获取', () => {
+            const defaultScene = new Scene({ name: 'DefaultScene' });
+
+            class TestSystem extends EntitySystem {
+                constructor() {
+                    super(Matcher.empty().all(PositionComponent));
+                }
+            }
+
+            const system = new TestSystem();
+            defaultScene.addEntityProcessor(system);
+
+            expect(defaultScene).toBeDefined();
+
+            defaultScene.end();
+        });
+    });
 });