games/BladeStruggle/assets/script/tscript/core/SoundManager.ts

import SoundClip, { SoundClipType } from "../audio/SoundClip";
import BgSoundClip, { BgSoundClipType } from "../audio/BgSoundClip";


// Learn TypeScript:
//  - [Chinese] http://docs.cocos.com/creator/manual/zh/scripting/typescript.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - [Chinese] http://docs.cocos.com/creator/manual/zh/scripting/reference/attributes.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - [Chinese] http://docs.cocos.com/creator/manual/zh/scripting/life-cycle-callbacks.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class SoundManager extends cc.Component {

    private static _instance: SoundManager;
    public static get instance(): SoundManager {
        if(this._instance == null)
        {
            /*cc.loader.loadRes("prefab/SoundManager",cc.Prefab,(err,prefab)=>{
                var node:cc.Node = cc.instantiate(prefab);
                this._instance = node.getComponent(SoundManager);
            });*/
            //this._instance = new SoundManager();
            //this._instance.init();
        }
        return SoundManager._instance;
    }
    
    @property(cc.AudioSource)
    private bgAS:cc.AudioSource = null;

    private audioDic:{[key:number]:cc.AudioClip}

    /// <summary>
    /// 背景声音
    /// </summary>
    //@property(BgSoundClip)
    //public bgSoundClips:BgSoundClip[] = [];
    @property(cc.Node)
    private bgSoundSrc:cc.Node = null;
    private bgSoundDic:{[key:number]:BgSoundClip} = {};

    @property(cc.Node)
    private soundSrc:cc.Node = null;
    private soundDic:{[key:number]:SoundClip} = {};

    private lastBgSound:BgSoundClipType = BgSoundClipType.none;

    private mute:boolean = false;

    onLoad () 
    {
        if(!SoundManager._instance)
        {
            SoundManager._instance = this;
            cc.game.addPersistRootNode(this.node);
            this.init();
        }else
        {
            this.node.destroy();
        }
    }

    private init()
    {
        var children:cc.Node[] = this.bgSoundSrc.children;
        for (var i = 0; i < children.length; i++)
        {
            var bgSoundClip:BgSoundClip = children[i].getComponent(BgSoundClip);
            this.bgSoundDic[bgSoundClip.type] = bgSoundClip;
        }

        children = this.soundSrc.children;
        for (var i = 0; i < children.length; i++)
        {
            var soundClip:SoundClip = children[i].getComponent(SoundClip);
            this.soundDic[soundClip.type] = soundClip;
        }
    }

    public pause()
    {
        this.mute = true;
        cc.audioEngine.pauseAll();
        this.bgAS.pause();
    }

    public resume()
    {
        this.mute = false;
        cc.audioEngine.resumeAll();
        this.bgAS.resume();
    }



    public PlayBGSound(type:BgSoundClipType, loop:boolean = true)
    {
        if (this.lastBgSound == BgSoundClipType.none)
            this.lastBgSound = type;
        this.bgAS.stop();
        this.bgAS.loop = loop;
        this.bgAS.clip = this.getBGSoundClip(type);
        if(!this.mute)
        {
            this.bgAS.play();
        }
    }


    public getBGSoundClip(type:BgSoundClipType):cc.AudioClip
    {
        if (this.bgSoundDic[type])
        {
            return this.bgSoundDic[type].clip;
        }
        else
        {
            cc.log("不存在背景声音源 ", BgSoundClipType[type]);
            return null;
        }
    }

    public playAudioClip(type:SoundClipType)
    {

        if(this.mute)
        {
            return;
        }

        var name:string = SoundClipType[type];

        var clip:cc.AudioClip = this.getSoundClip(type);

        if (clip != null)
        {
            cc.audioEngine.play(clip,false,1);
        }
        else
        {
            cc.log("找不到资源id为 " , type , " PlayOtherSound声音配置");
        }
        //
    }

    public getSoundClip(type:SoundClipType):cc.AudioClip
    {
        if (this.soundDic[type])
        {
            return this.soundDic[type].clip;
        }
        else
        {
            cc.log("不存在该种声音源 " + SoundClipType[type]);
            return null;
        }
    }
    // update (dt) {}
}