refactor(skill): 重构技能系统以支持对象池复用

将技能节点管理改为使用对象池模式，提高性能
添加技能节点复用时的初始化逻辑
统一技能组件获取和重置方式
更新英雄配置中的默认技能

assets/script/game/skill/Skill.ts

@@ -1,4 +1,4 @@
-import { BoxCollider2D, instantiate, Node, Prefab, v3, Vec3 } from "cc";
+import { BoxCollider2D, instantiate, Node, Prefab, v3, Vec3, NodePool } from "cc";
 import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
 import { EType, SkillSet } from "../common/config/SkillSet";
 import { oops } from "db://oops-framework/core/Oops";
@@ -13,10 +13,34 @@ import { smc } from "../common/SingletonModuleComp";
 /** Skill 模块 */
 @ecs.register(`Skill`)
 export class Skill extends ecs.Entity {
+    /** 多键对象池：Map<prefabPath, NodePool> */
+    static pools: Map<string, NodePool> = new Map();
+
+    static getFromPool(path: string): Node | null {
+        if (this.pools.has(path)) {
+            const pool = this.pools.get(path)!;
+            if (pool.size() > 0) {
+                return pool.get();
+            }
+        }
+        return null;
+    }
+
+    static putToPool(path: string, node: Node) {
+        if (!this.pools.has(path)) {
+            this.pools.set(path, new NodePool());
+        }
+        this.pools.get(path)!.put(node);
+    }
+
     /** ---------- 数据层 ---------- */
     SDataCom!: SDataCom;
     SMoveCom!: SMoveDataComp
 
+    /** 当前技能的预制体路径（用于对象池回收） */
+    private prefabPath: string = "";
+    private skillNode: Node | null = null; // 持有节点引用以便销毁时回收
+
     /** ---------- 业务层 ---------- */
     // SkillBll!: SkillBllComp;
 
@@ -73,8 +97,11 @@ export class Skill extends ecs.Entity {
         node.setPosition(startPos);
 
         // 初始化移动组件 - 从SkillView获取移动参数
-
-        const sMoveCom = this.get(SMoveDataComp);
+        let sMoveCom = this.get(SMoveDataComp);
+        if (!sMoveCom) {
+            sMoveCom = this.add(SMoveDataComp);
+        }
+        sMoveCom.reset(); // 复用组件时重置状态
         sMoveCom.startPos.set(startPos);
         sMoveCom.targetPos.set(targetPos);
         sMoveCom.s_uuid = s_uuid;
@@ -87,7 +114,11 @@ export class Skill extends ecs.Entity {
         
         let cAttrsComp=caster.ent.get(HeroAttrsComp)
         // 初始化数据组件
-        const sDataCom = this.get(SDataCom);
+        let sDataCom = this.get(SDataCom);
+        if (!sDataCom) {
+            sDataCom = this.add(SDataCom);
+        }
+        sDataCom.reset(); 
         sDataCom.group=caster.box_group
         sDataCom.caster=caster
         sDataCom.Attrs={...cAttrsComp.Attrs}
@@ -101,7 +132,16 @@ export class Skill extends ecs.Entity {
         // 注: 自定义释放逻辑，视图层实现 ecs.IComp 接口的 ecs 组件需要手动释放
         this.remove(SDataCom);
         this.remove(SMoveDataComp)
+        
+        // 移除组件会触发 reset，但我们在 reset 中移除了 destroy
         this.remove(SkillView)
+        
+        // 回收节点到对象池
+        if (this.skillNode && this.skillNode.isValid && this.prefabPath) {
+            Skill.putToPool(this.prefabPath, this.skillNode);
+            this.skillNode = null;
+        }
+
         super.destroy();
 
     }