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https://github.com/wyb10a10/cocos_creator_framework.git
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66 lines
2.6 KiB
TypeScript
66 lines
2.6 KiB
TypeScript
import { Asset, Component, _decorator } from "cc";
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import { AssetType, CompleteCallback, ProgressCallback, resLoader } from "./ResLoader";
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/**
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* 资源引用类
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* 1. 提供加载功能，并记录加载过的资源
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* 2. 在node释放时自动清理加载过的资源
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* 3. 支持手动添加记录
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*
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* 2019-12-13 by 宝爷
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*/
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const { ccclass } = _decorator;
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@ccclass
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export class ResKeeper extends Component {
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private resCache = new Set<Asset>();
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/**
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* 开始加载资源
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* @param bundle assetbundle的路径
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* @param url 资源url或url数组
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* @param type 资源类型，默认为null
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* @param onProgess 加载进度回调
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* @param onCompleted 加载完成回调
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*/
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public load<T extends Asset>(bundleName: string, paths: string | string[], type: AssetType<T> | null, onProgress: ProgressCallback | null, onComplete: CompleteCallback<T> | null): void;
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public load<T extends Asset>(bundleName: string, paths: string | string[], onProgress: ProgressCallback | null, onComplete: CompleteCallback<T> | null): void;
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public load<T extends Asset>(bundleName: string, paths: string | string[], onComplete?: CompleteCallback<T> | null): void;
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public load<T extends Asset>(bundleName: string, paths: string | string[], type: AssetType<T> | null, onComplete?: CompleteCallback<T> | null): void;
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public load<T extends Asset>(paths: string | string[], type: AssetType<T> | null, onProgress: ProgressCallback | null, onComplete: CompleteCallback<T> | null): void;
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public load<T extends Asset>(paths: string | string[], onProgress: ProgressCallback | null, onComplete: CompleteCallback<T> | null): void;
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public load<T extends Asset>(paths: string | string[], onComplete?: CompleteCallback<T> | null): void;
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public load<T extends Asset>(paths: string | string[], type: AssetType<T> | null, onComplete?: CompleteCallback<T> | null): void;
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public load(...args: any) {
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// 调用加载接口
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resLoader.load.apply(resLoader, args);
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}
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/**
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* 缓存资源
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* @param asset
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*/
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public cacheAsset(asset: Asset) {
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if (!this.resCache.has(asset)) {
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asset.addRef();
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this.resCache.add(asset);
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}
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}
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/**
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* 组件销毁时自动释放所有keep的资源
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*/
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public onDestroy() {
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this.releaseAssets();
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}
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/**
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* 释放资源，组件销毁时自动调用
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*/
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public releaseAssets() {
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this.resCache.forEach(element => {
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element.decRef();
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});
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this.resCache.clear();
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}
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} |