动态合批

source/src/ECS/Scene.ts

@@ -33,6 +33,7 @@ module es {
         public _renderers: Renderer[] = [];
         public readonly _postProcessors: PostProcessor[] = [];
         public _didSceneBegin;
+        public dynamicBatch: boolean = false;
 
         constructor() {
             super();
@@ -189,6 +190,35 @@ module es {
             }
         }
 
+        /**
+         * 动态合批
+         */
+        public dynamicInBatch(){
+            this.removeChildren();
+            let batching = false;
+            let displayContainer: egret.DisplayObjectContainer;
+            for (let component of this.renderableComponents.buffer){
+                if (component instanceof SpriteAnimator){
+                    // 动态
+                    this.addChild(component.displayObject);
+                    this.addChild(component.debugDisplayObject);
+                    batching = false;
+                    displayContainer = null;
+                } else if (component instanceof RenderableComponent) {
+                    // 静态
+                    if (!batching){
+                        batching = true;
+                        displayContainer = new egret.DisplayObjectContainer();
+                        displayContainer.cacheAsBitmap = true;
+                        this.addChild(displayContainer);
+                    }
+
+                    displayContainer.addChild(component.displayObject);
+                    displayContainer.addChild(component.debugDisplayObject);
+                }
+            }
+        }
+
         /**
          * 现在的任何后处理器都要完成它的处理
          * 只有在SceneTransition请求渲染时，它才会有一个值。

source/src/ECS/Utils/ComponentList.ts

@@ -95,14 +95,15 @@ module es {
                 let component = this._components[i];
 
                 if (component instanceof RenderableComponent) {
-                    this._entity.scene.addChild(component.displayObject);
+                    if (!this._entity.scene.dynamicBatch) this._entity.scene.addChild(component.displayObject);
                     this._entity.scene.renderableComponents.add(component);
                 }
 
-                this._entity.scene.addChild(component.debugDisplayObject);
+                if (!this._entity.scene.dynamicBatch) this._entity.scene.addChild(component.debugDisplayObject);
                 this._entity.componentBits.set(ComponentTypeManager.getIndexFor(component));
                 this._entity.scene.entityProcessors.onComponentAdded(this._entity);
             }
+            this._entity.scene.dynamicInBatch();
         }
 
         /**
@@ -122,17 +123,18 @@ module es {
                 for (let i = 0, count = this._componentsToAdd.length; i < count; i++) {
                     let component = this._componentsToAdd[i];
                     if (component instanceof RenderableComponent) {
-                        this._entity.scene.addChild(component.displayObject);
+                        if (!this._entity.scene.dynamicBatch) this._entity.scene.addChild(component.displayObject);
                         this._entity.scene.renderableComponents.add(component);
                     }
 
-                    this._entity.scene.addChild(component.debugDisplayObject);
+                    if (!this._entity.scene.dynamicBatch) this._entity.scene.addChild(component.debugDisplayObject);
                     this._entity.componentBits.set(ComponentTypeManager.getIndexFor(component));
                     this._entity.scene.entityProcessors.onComponentAdded(this._entity);
 
                     this._components.push(component);
                     this._tempBufferList.push(component);
                 }
+                this._entity.scene.dynamicInBatch();
 
                 // 在调用onAddedToEntity之前清除，以防添加更多组件
                 this._componentsToAdd.length = 0;