69 lines
2.1 KiB
TypeScript
69 lines
2.1 KiB
TypeScript
/**
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* 资源管理类
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*/
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export default class Res {
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/**
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* 资源缓存
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*/
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private static _cacheMap: Map<string, cc.Asset> = new Map();
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/**
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* 获取已经预加载的资源。！！！调用前需确保资源已预加载
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* @param url 资源路径
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*/
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public static getLoaded(url: string): any {
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let asset = this._cacheMap.get(url);
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if (asset === undefined) {
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cc.error(`[Res.getLoaded] error: 资源未加载`);
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return null;
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}
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return asset;
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}
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/**
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* 加载resources文件夹下单个资源
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* @param url 资源路径
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* @param type 资源类型
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*/
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public static async load(url: string, type: typeof cc.Asset): Promise<any> {
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let asset = this._cacheMap.get(url);
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if (asset) {
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return asset;
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}
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return await new Promise((resolve, reject) => {
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cc.loader.loadRes(url, type, (error: Error, resource: cc.Asset) => {
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if (error) {
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cc.error(`[Res.load] error: ${error}`);
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resolve(null);
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} else {
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this._cacheMap.set(url, resource);
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resolve(resource);
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}
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});
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});
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}
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/**
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* 加载resources文件夹下某个文件夹内全部资源
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* @param url 资源路径
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* @param type 资源类型
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*/
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public static async loadDir(url: string, type: typeof cc.Asset): Promise<any[]> {
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return await new Promise((resolve, reject) => {
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cc.loader.loadResDir(url, type, (error: Error, resource: any[], urls: string[]) => {
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if (error) {
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cc.error(`[Res.loadDir] error: ${error}`);
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resolve([]);
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} else {
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urls.forEach((v: string, i: number) => {
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this._cacheMap.set(v, resource[i]);
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});
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resolve(resource);
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}
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});
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});
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}
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}
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