104 lines
2.5 KiB
TypeScript
104 lines
2.5 KiB
TypeScript
import { _decorator, Prefab, Node, instantiate, NodePool } from "cc";
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const { ccclass, property } = _decorator;
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@ccclass("PoolManager")
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export class PoolManager {
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private _dictPool: any = {}
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private _dictPrefab: any = {}
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static _instance: PoolManager;
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static get instance() {
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if (this._instance) {
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return this._instance;
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}
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this._instance = new PoolManager();
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return this._instance;
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}
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/**
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* 根据预设从对象池中获取对应节点
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*/
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public getNode(prefab: Prefab, parent: Node) {
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let name = prefab.name;
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//@ts-ignore
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if (!prefab.position) {
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//@ts-ignore
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name = prefab.data.name;
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}
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this._dictPrefab[name] = prefab;
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let node: Node = null!;
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if (this._dictPool.hasOwnProperty(name)) {
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//已有对应的对象池
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let pool = this._dictPool[name];
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if (pool.size() > 0) {
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node = pool.get();
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} else {
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node = instantiate(prefab);
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}
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} else {
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//没有对应对象池，创建他！
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let pool = new NodePool();
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this._dictPool[name] = pool;
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node = instantiate(prefab);
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}
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node.parent = parent;
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node.active = true;
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return node;
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}
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/**
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* 将对应节点放回对象池中
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*/
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public putNode(node: Node) {
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if (!node) {
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return;
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}
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let name = node.name;
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let pool = null;
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if (this._dictPool.hasOwnProperty(name)) {
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//已有对应的对象池
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pool = this._dictPool[name];
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} else {
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//没有对应对象池，创建他！
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pool = new NodePool();
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this._dictPool[name] = pool;
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}
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pool.put(node);
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}
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/**
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* 根据名称，清除对应对象池
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*/
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public clearPool(name: string) {
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if (this._dictPool.hasOwnProperty(name)) {
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let pool = this._dictPool[name];
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pool.clear();
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}
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}
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/**
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* 预生成对象池
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* @param prefab
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* @param nodeNum
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* 使用——PoolManager.instance.prePool(prefab, 40);
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*/
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public prePool(prefab: Prefab, nodeNum: number) {
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const name = prefab.name;
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let pool = new NodePool();
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this._dictPool[name] = pool;
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for (let i = 0; i < nodeNum; i++) {
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const node = instantiate(prefab);
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pool.put(node);
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}
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}
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}
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