export default class PrefabUtil {


    private static objs = {};

    //加载预制体
    public static load(call, onProgress?) {

        cc.resources.loadDir("./prefab/", cc.Prefab
            //(err, assets: cc.Prefab[]) => {
            // if (assets != null) {
            //     for (let i = 0; i < assets.length; i++) {
            //         this.objs[assets[i].name] = assets[i];
            //     }
            //     call();
            // }
            //}
            , (finish: number, total: number, item: cc.AssetManager.RequestItem) => {
                onProgress?.(finish, total);
            }, (err, assets: cc.Prefab[]) => {

                if (err) {
                    return
                }
                if (assets != null) {
                    for (let i = 0; i < assets.length; i++) {
                        this.objs[assets[i].name] = assets[i];
                    }
                    call();
                }
            })



    }

    public static get(name: string): cc.Prefab {

        if (this.objs.hasOwnProperty(name) == false) {
            // console.error("没有找到预制体---"+name);
        }

        return this.objs[name];
    }
}