import { _decorator, Component, SpriteFrame,Node, ParticleSystem } from 'cc';
import { eventEmitter } from '../../core/event/EventEmitter';
import { Constants } from '../../data/Constants';
const { ccclass, property } = _decorator;

@ccclass('GunBase')
export class GunBase extends Component {
    @property({type: Node,tooltip:"枪口节点"})
    public muzzleNode: Node = null!

    public data: any = null;//枪的数据
    public isFire: boolean = false;//是否在开火状态
    public endCb: Function = null;//结束回调
    public bulletSF: SpriteFrame = null!;//子弹贴图 需要的替换贴图的设置
    //射击出去的子弹数
    private _shotBullets: number = 0;
    public set shotBullets(value: number) {
        this._shotBullets = value;
        eventEmitter.dispatch(Constants.eventName.magazine_num_change);
    }
    public get shotBullets() {
       return this._shotBullets;
    }
    
    constructor(){
        super();
        this.isFire = false;
        this.endCb = null;
    }

    init(data: any,holder: any,endCb?: Function,ammoCb?: Function){
    }
    
    /**开火*/
    fire(){

    }

    endFire(){

    }
    /**
     * 播放粒子特效
     * @param node 粒子节点
     */
    public playParticle(node:Node){
        node.getComponentsInChildren(ParticleSystem)
            .forEach(e => {
                e.stop();
                e.play();
            });
    }
}