组件新增onAdded和onRemoved生命周期

README.md

@@ -98,6 +98,8 @@ class VelocityComponent extends gs.Component {
         this.y = 0;
     }
 }
+
+
 ```
 
 > 注意，需要实现reset方法，当组件回收时会调用该方法

source/bin/gs.d.ts

@@ -62,6 +62,14 @@ declare module gs {
          * 通过增加 _version 的值来表示组件已更新
          */
         markUpdated(): void;
+        /**
+         * 当组件被添加到实体上时执行
+         */
+        onAdded(): void;
+        /**
+         * 当组件从实体上被移除时执行
+         */
+        onRemoved(): void;
         serialize(): any;
         deserialize(data: any): void;
         /**

source/bin/gs.js

@@ -203,6 +203,14 @@ var gs;
         Component.prototype.markUpdated = function () {
             this._version++;
         };
+        /**
+         * 当组件被添加到实体上时执行
+         */
+        Component.prototype.onAdded = function () { };
+        /**
+         * 当组件从实体上被移除时执行
+         */
+        Component.prototype.onRemoved = function () { };
         Component.prototype.serialize = function () {
             var e_2, _a;
             var data = {};
@@ -271,6 +279,7 @@ var gs;
                 throw new Error("\u7EC4\u4EF6\u7C7B\u578B\u4E3A " + componentType.name + " \u7684\u7EC4\u4EF6\u7BA1\u7406\u5668\u672A\u627E\u5230.");
             }
             var component = manager.create(this.id);
+            component.onAdded();
             return component;
         };
         /**
@@ -297,6 +306,7 @@ var gs;
             }
             var component = this.getComponent(componentType);
             if (component) {
+                component.onRemoved();
                 manager.remove(this.id);
             }
         };

source/src/Core/Component.ts

@@ -33,6 +33,15 @@ module gs {
             this._version++;
         }
 
+        /**
+         * 当组件被添加到实体上时执行
+         */
+        onAdded(): void { }
+
+        /**
+         * 当组件从实体上被移除时执行
+         */
+        onRemoved(): void { }
 
         serialize(): any {
             const data: any = {};

source/src/Core/Entity.ts

@@ -27,6 +27,7 @@ module gs {
                 throw new Error(`组件类型为 ${componentType.name} 的组件管理器未找到.`);
             }
             const component = manager.create(this.id) as T;
+            component.onAdded();
             return component;
         }
 
@@ -55,6 +56,7 @@ module gs {
             }
             const component = this.getComponent(componentType);
             if (component) {
+                component.onRemoved();
                 manager.remove(this.id);
             }
         }

test/performanceTest.js

@@ -11,6 +11,12 @@ class PositionComponent extends Component {
         this.y = this.random.next() + id;
         id++;
     }
+    onAdded() {
+        console.log('position 组件被添加');
+    }
+    onRemoved() {
+        console.log('position 组件被移除');
+    }
     reset() {
         this.x = 0;
         this.y = 0;

test/performanceTest.ts

@@ -18,6 +18,14 @@ class PositionComponent extends Component {
     id ++;
   }
 
+  onAdded(): void {
+    console.log('position 组件被添加');
+  }
+
+  onRemoved(): void {
+    console.log('position 组件被移除');
+  }
+
   public reset(): void {
     this.x = 0;
     this.y = 0;