game_h5/smart-shoes-jump-house/assets/Script/Engine/Resources/JsonResources.ts

import EventManager from "../Event/EventManager";
import { EventName } from "../Event/EventName";
import Tool from "../Tool/Tool";

/**
 * Json资源 - 数据层
 */
export default class JsonResources {

    /**资源列表 */
    private static resources: Map<string, any> = new Map<string, any>();

    /**加载Json资源 */
    public static loadJsonResources (resPath: string, list: Array<string>, denominator: number, currentProgress: number, callback: Function) {
        Tool.log("");
        Tool.log("加载Json资源");

        cc.assetManager.loadBundle(((cc.sys.platform == cc.sys.DESKTOP_BROWSER)? "":resPath)+"res/remoteJson", (err: Error, prefab: cc.AssetManager.Bundle) => {
            let finish = 0;
            for (let i in list) {
                prefab.load(list[i], cc.JsonAsset, (err: Error, assets: cc.JsonAsset) => {
                    Tool.log(err);

                    EventManager.sendEvent(EventName.Res.Res_LoadProgress, (finish/list.length)*denominator + currentProgress);
                    finish++;

                    // 使用map结构保存资源
                    this.resources.set(assets.name, assets.json);

                    if (finish == list.length) {
                        Tool.log(this.resources);
                        Tool.log("加载完毕");
                        Tool.log("");
            
                        if (callback == null) {
                            // 发送初始加载完成 本地消息
                            EventManager.sendEvent(EventName.Res.Res_LoadComplete);
                        }
                        else {
                            callback();
                        }
                    }
                });
            }
        });
    }

    /**获得Json资源 */
    public static getResources (name: string): any {
        let _name: string = name;
        if (name.includes("/") == true) {
            _name = name.substring(name.indexOf("/")+1);
        }
        return this.resources.get(_name) || (cc.resources.get(name, cc.JsonAsset) as cc.JsonAsset).json;
    }
}