DOF/sqr/Core/BaseClass/AudioClass.nut

/*
文件名:AudioClass.nut
路径:Core/BaseClass/AudioClass.nut
创建日期:2024-05-30	20:48
文件用途:音频类
*/
if (!(getroottable().rawin("_Globa_Audio_Volume_"))) _Globa_Audio_Volume_ <- 1.0;
if (!(getroottable().rawin("_Globa_Sound_Volume_"))) _Globa_Sound_Volume_ <- 1.0;
class Audio extends CL_BaseObject {
    //名称
    Name = null;
    //路径
    Path = null;
    //使用时间
    UseTime = null;
    //创建时间
    CreateTime = null;

    constructor(gName) {
        Path = gName;
        local C_Object = Sound_CreateSound(Path);
        base.constructor(C_Object);

        CreateTime = clock();
        SetVolume(1.0);
    }

    //播放
    function Play() {
        Sound_Play(C_Object);
        UseTime = clock();
    }
    //暂停
    function Pause() {
        Sound_Pause(C_Object);
    }
    //继续
    function Resume() {
        Sound_Resume(C_Object);
    }
    //关闭并销毁
    function Close() {
        Sound_Close(C_Object);
    }
    //获取音量
    function GetVolume() {
        return Sound_GetVolume(C_Object);
    }
    //设置音量
    function SetVolume(value) {
        Sound_SetVolume(C_Object, value * _Globa_Audio_Volume_);
    }


    function IsPlaying() {
        return Sound_IsPlaying(C_Object);
    }
}

class AudioControlClass {

    //当前播放音乐集合
    CurrentMusicList = null;
    //音源库
    MusicList = null;

    //销毁音乐的时间Flag
    CloseMusicTimeFlag = 0;
    //销毁音乐的间隔时间  //5秒一次
    CloseMusicTime = 5000;

    //待移除音乐
    RemoveMusicQueue = null;

    constructor() {
        CurrentMusicList = {};
        MusicList = {};
        RemoveMusicQueue = [];


    }

    //预加载音乐
    function PreLoad(Name) {
        local Ret = Sound(Name);
        MusicList[Name] <- Ret;
    }
    //加载音乐  加载完成会自动播放
    function Load(Name) {
        if (MusicList.rawin(Name)) {
            CurrentMusicList[Name] <- MusicList[Name];
            MusicList[Name].Play();
        } else {
            local Ret = Sound(Name);
            Ret.Play();
            CurrentMusicList[Name] <- Ret;
            MusicList[Name] <- Ret;
        }
        return CurrentMusicList[Name];
    }

    //移除音乐
    function Remove(Name) {
        CurrentMusicList[Name].Pause();
        delete CurrentMusicList[Name];
    }

    //淡出移除音乐 不传值默认倍率  传值设定倍率
    function RemoveByFadeout(Name, ...) {
        local realrate = 1.0;
        if (vargv.len() > 0) realrate = vargv[0];
        RemoveMusicQueue.append({
            sound = CurrentMusicList[Name],
            rate = realrate
        });
    }


    function RemoveMusic(dt) {
        for (local i = 0; i< RemoveMusicQueue.len(); i++) {
            local Object = RemoveMusicQueue[i];
            local SoundObj = Object.sound;
            local Rate = Object.rate;
            local SoCurV = SoundObj.GetVolume();
            //音量降到最低了  停止播放
            if (SoCurV == 0) {
                SoundObj.Pause();
                delete CurrentMusicList[SoundObj.Name];
                RemoveMusicQueue.remove(i);
            }
            //渐变设置音量
            else {
                local SetValue = SoCurV - (dt * Rate * 0.0005);
                if (SetValue< 0) SetValue = 0;
                SoundObj.SetVolume(SetValue);
            }
        }
    }

    function OnUpdate(dt, Stage) {

        //移除音乐(淡出)
        RemoveMusic(dt);

        //销毁音乐
        CloseMusic(dt);
    }


    function CloseMusic(dt) {
        CloseMusicTimeFlag += dt;
        if (CloseMusicTimeFlag >= CloseMusicTime) {
            local CurrT = clock();
            //遍历 如果正在播放刷新时间
            foreach(SoundObj in MusicList) {
                if (SoundObj.IsPlaying()) SoundObj.UseTime = CurrT;
            }
            //遍历判断使用时间距离现在已经超过了500秒就销毁
            local Arr = [];
            foreach(SoundObj in MusicList) {
                if (SoundObj.UseTime && (clock() - SoundObj.UseTime) > 500000) {
                    Arr.append(SoundObj.Name);
                }
            }
            foreach(Name in Arr) {
                if (CurrentMusicList.rawin(Name)) CurrentMusicList.rawdelete(Name);
                if (MusicList.rawin(Name)) MusicList.rawdelete(Name);
            }
            CloseMusicTimeFlag = 0;
        }
    }
}
if (!(getroottable().rawin("AudioControl"))) _Global_AudioControl_ <- AudioControlClass();


//播放临时音效
function Sq_PlaySoundEffect(Name) {
    return Sound_PlayEffect(Name.tolower(), _Globa_Sound_Volume_);
}

//全局音效逻辑
function _Yosin_Sound_Logic_(Dt, Stage) {
    _Global_AudioControl_.OnUpdate(Dt, Stage);
}