57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
import { _decorator, assetManager, Component, ImageAsset, JsonAsset, Node, SpriteFrame, Texture2D } from 'cc';
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import Singleton from '../Singleton';
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import Utils from '../Utilities';
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const { ccclass, property } = _decorator;
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@ccclass('DynamicSpriteManager')
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export default class DynamicSpriteManager extends Singleton<DynamicSpriteManager>() {
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@property(JsonAsset)
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private jsonConfig: JsonAsset;
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private spriteMap: Map<string, SpriteFrame> = new Map();
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private initialized = false;
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protected onLoad(): void {
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super.onLoad();
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this.init();
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}
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private async init() {
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const config = this.jsonConfig.json;
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for (let i = 0; i < config.length; i++) {
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const el = config[i];
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try {
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const spriteFrame = await this.loadSprite(el.URL);
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this.spriteMap.set(el.ID, spriteFrame);
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} catch (err) {
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console.log(err);
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}
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}
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this.initialized = true;
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}
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private loadSprite(url: string): Promise<SpriteFrame> {
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return new Promise((resolve, reject) => {
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assetManager.loadRemote<ImageAsset>(url, (err, imageAsset) => {
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if (err) {
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reject(err);
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} else {
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const spriteFrame = new SpriteFrame();
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const texture = new Texture2D();
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texture.image = imageAsset;
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spriteFrame.texture = texture;
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resolve(spriteFrame);
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}
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});
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});
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}
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public async getSpriteFrame(id: string): Promise<SpriteFrame> {
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await Utils.waitUntil(() => this.initialized);
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return this.spriteMap.get(id);
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}
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}
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