Unity オレオレサウンドマネージャー

SoundManager

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System;

public class SoundManager : SingletonMonoBehaviour<SoundManager>,IPausable {

    //From resources folder//
    public string seAudioClipPath = "AudioClips/SE";
    public string bgmAudioClipPath = "AudioClips/BGM";
    public int seMaxNum = 5;//SEの同時再生上限数//

    private static List<AudioSource> audioSourceSEs = new List<AudioSource>();
    private static List<AudioSource> audioSourceBGMs = new List<AudioSource>();

    //読み込むサウンドデータのリスト//
    private static List<AudioClip> seAudioClips = new List<AudioClip>();
    private static List<AudioClip> bgmAudioClips = new List<AudioClip>();

    private static string currentBgmClipName;//再生中、または再生へ向けてフェードイン中のbgm;

    public float masterVolume = 1.0f;//インスペクタから弄る用//
    public float seVolume = 0.5f;//インスペクタから弄る用//
    public float bgmVolume = 0.5f;//インスペクタから弄る用//

    public static float _masterVolume = 1.0f;//全体ボリューム//
    public static float _fixedSeVolume = 1.0f;//masterと掛け算したseVolume//
    public static float _fixedBgmVolume = 1.0f;//masterと掛け算したbgmVolume//

    public bool isDebugMuteMode = false;

    [SerializeField]
    private bool isPaused = false;
    public bool IsPaused
    {
        get
        {
            return isPaused;
        }
    }

    public bool enableDebugMonitor = false;
    private static bool _enableDebugMonitor;

    private static GameObject thisGameObject;
    private static float defaultFadeTime = 2f;

    void Awake()
    {
        base.CheckInstance();

        _masterVolume = masterVolume;
        _fixedSeVolume = masterVolume * seVolume;
        _fixedBgmVolume = masterVolume * bgmVolume;

        _enableDebugMonitor = enableDebugMonitor;

        DontDestroyOnLoad(this.gameObject);

        thisGameObject = this.gameObject;

        //リソース読み込み（同期読み）//
        seAudioClips = LoadAudioClipsFromResourcesFolder(seAudioClipPath);
        bgmAudioClips = LoadAudioClipsFromResourcesFolder(bgmAudioClipPath);

        //オーディオソースの生成//
        audioSourceBGMs = InstantiateAudioSourceList(2);
        audioSourceSEs  = InstantiateAudioSourceList(seMaxNum);

        audioSourceBGMs.ForEach(asb => asb.loop = true);
    }

    public static void PlaySE(string clipName)
    {
        PlaySE(clipName, _fixedSeVolume);
    }

    public static void PlaySE(string clipName, float volume)
    {
        //空いているaudioSourceはあるか？//
        AudioSource _audioSource = GetStoppedAudioSoureFromList(audioSourceSEs);

        //clipNameのaudioClipはロードされているか？//
        _audioSource.clip = GetAudioClipFromRoadedList(clipName, seAudioClips);

        _audioSource.volume = volume;
        _audioSource.PlayOneShot( GetAudioClipFromRoadedList(clipName, seAudioClips));

        if (_enableDebugMonitor) Debug.Log(clipName + "が再生されました。");
    }

    public void OnPause()
    {
        isPaused = true;
        audioSourceSEs.ForEach(ase => ase.Pause());
        audioSourceBGMs.ForEach(asb => asb.Pause());
    }
    public void OnResume()
    {
        isPaused = false;
        audioSourceSEs.ForEach(ase => ase.UnPause());
        audioSourceBGMs.ForEach(asb => asb.UnPause());
    }

    public static void PlayBGM(string clipName)
    {
        PlayBGMWithFade(clipName, 0.1f);
    }

    public static void PlayBGMWithFade(string clipName)
    {
        PlayBGMWithFade(clipName, defaultFadeTime);
    }

    public static void PlayBGMWithFade(string clipName, float fadeTime)
    {
        //all audio source is playing (already crossfading?)
        if (audioSourceBGMs.All(asb => asb.isPlaying == true))
            return;

        AudioSource _toStopAudioSource = audioSourceBGMs.FirstOrDefault(asb => asb.isPlaying == true);
        AudioSource _toPlayAudioSource = audioSourceBGMs.First(asb => asb.isPlaying == false);

        if (_toStopAudioSource != null)
        {
            FadeOutAudioSource(_toStopAudioSource, fadeTime);
        }

        _toPlayAudioSource.clip = GetAudioClipFromRoadedList(clipName, bgmAudioClips);
        FadeInAudioSource(_toPlayAudioSource, fadeTime);

    }

    public static void StopBGM()
    {
        audioSourceBGMs.ForEach(asb => FadeOutAudioSource(asb, 0.1f));
    }

    static void FadeInAudioSource(AudioSource targetAudioSource, float fadeTime)
    {
        targetAudioSource.Play();
        targetAudioSource.volume = 0f;
        iTween.AudioTo(thisGameObject, iTween.Hash(
            "audiosource", targetAudioSource,
            "time", fadeTime,//3秒かけて//
            "volume", 1f//ボリュームを1に//
            ));
    }

    static void FadeOutAudioSource(AudioSource targetAudioSource, float fadeTime)
    {
        iTween.AudioTo(thisGameObject, iTween.Hash(
            "audiosource", targetAudioSource,
            "time", fadeTime,//3秒かけて//
            "volume", 0f,//ボリュームをゼロに//
            "oncomplete", "OnFadeOutComplete",
            "oncompletetarget", thisGameObject,
            "oncompleteparams", targetAudioSource
            ));
    }

    void OnFadeOutComplete(AudioSource targetAudioSource)
    {
        targetAudioSource.Stop();
    }


    #region Util

    List<AudioSource> InstantiateAudioSourceList(int num)
    {
        List<AudioSource> _audioSourceList = new List<AudioSource>();

        for (int i = 0; i < num - 1; i++)
        {
            AudioSource _audioSource = this.gameObject.AddComponent<AudioSource>() as AudioSource;
            _audioSource.playOnAwake = false;
            _audioSourceList.Add(_audioSource);
        }

        return _audioSourceList;
    }


    static AudioSource GetStoppedAudioSoureFromList(List<AudioSource> audioSourceList)
    {
        AudioSource _audioSource = audioSourceList.FirstOrDefault(i => i.isPlaying == false);
        if (_audioSource == null)
        {
            if (_enableDebugMonitor)
                Debug.LogWarning("audioSourceSEの再生上限です。");
        }
        return _audioSource;
    }


    private static AudioClip GetAudioClipFromRoadedList(string clipName, List<AudioClip> clipList)
    {
        AudioClip _clip = clipList.Find(i => i.name == clipName);

        if (_clip == null)
        {
            if (_enableDebugMonitor)
                Debug.LogWarning("オーディオクリップ「" + clipName + "」は読み込まれていません。");
        }

        return _clip;
    }


    private List<AudioClip> LoadAudioClipsFromResourcesFolder(string path)
    {
        return Resources.LoadAll(path, typeof(AudioClip)).Cast<AudioClip>().ToList();

    }

    //Resoucesフォルダ内のパスを列挙する方法が見つかったら使用する//
    IEnumerator LoadAsyncAudioClip()
    {
        ResourceRequest request = Resources.LoadAsync("AudioClips/SE/Footstep_L");
        yield return request;
        seAudioClips.Add(request.asset as AudioClip);
    }


    #endregion
}