drone/assets/script/external/BaseComp.ts

export interface IDisposer {
	(): void
}
import { LocalEmitter } from "../external/LocalEmitter";

const { ccclass, property } = cc._decorator;

@ccclass
export default class BaseComp extends cc.Component {

    _comp_id_: number = LocalEmitter.newCompId();

    protected _pool: Array<IDisposer> = []

	_frameCount = 0;
	_frameLimit = 3;

	canUpdate(){
		this._frameCount++;
		if(this._frameCount < this._frameLimit){
			return false;
		}

		this._frameCount = 0;
		return true;
	}

    getCompId() {
        return this._comp_id_;
    }

    //注册监听
    on(event: string, fn: Function) {
        LocalEmitter.inst.on(this.getCompId(), event, fn);
    }

    //移除监听
    off(event: string = null, fn: Function = null) {
        LocalEmitter.inst.off(this.getCompId(), event, fn);
    }

    // 发送事件
    emit(event: string = null, obj: any = null, obj2: any = null) {
        LocalEmitter.inst.emit(event, obj, obj2);
    }

    initListener(config:{[key:string]:number}){
        for(let key in config){
            this.on(config[key].toString(), this[key].bind(this));
        }
    }

    onDestroy() {
        this.removeAllListeners();
    }

    removeAllListeners(){
        LocalEmitter.inst.off(this.getCompId());
    }

    showPopWait(msg: string = "Vui lòng chờ..."): void {
        LocalEmitter.inst.emit("showPopWait",{prompt:msg})
    }

    hidePopWait(): void {
        LocalEmitter.inst.emit("hidePopWait")
    }

    mute(){
        this._pool && this._pool.forEach((d) => d())
        this._pool = [];
    }

    onDisable(){		
        this.mute();

    }

    onEnable(){		
        this.mute();
    }

    //加载图片资源
    loadSpriteFrame(PrefabUrl, fun: Function): void {
        cc.resources.load(PrefabUrl, cc.SpriteFrame, function (err, res) {
            //检查资源加载
            if (err) {
                return
            }

            if (fun) {
                fun(res)
            }
        })
    }
}