/// <summary>
 /// 预加载音频资源
 /// </summary>
 public void Preload(string location, EAudioLayer audioLayer)
 {
     if (_assets.ContainsKey(location) == false)
     {
         AssetAudio asset = new AssetAudio(location, audioLayer);
         _assets.Add(location, asset);
         asset.Load(null);
     }
 }
        /// <summary>
        /// 使用外部音频源播放音效
        /// </summary>
        /// <param name="audioSource">外部的音频源</param>
        /// <param name="location">资源地址</param>
        public void PlaySound(AudioSource audioSource, string location)
        {
            if (audioSource == null)
            {
                return;
            }
            if (audioSource.isActiveAndEnabled == false)
            {
                return;
            }
            if (string.IsNullOrEmpty(location))
            {
                return;
            }

            // 如果静音状态直接跳过播放
            if (IsMute(EAudioLayer.Sound))
            {
                return;
            }

            if (_assets.ContainsKey(location))
            {
                if (_assets[location].Clip != null)
                {
                    audioSource.PlayOneShot(_assets[location].Clip);
                }
            }
            else
            {
                // 新建加载资源
                AssetAudio assetAudio = new AssetAudio(location, EAudioLayer.Sound);
                _assets.Add(location, assetAudio);
                assetAudio.Load((AudioClip clip) =>
                {
                    if (clip != null)
                    {
                        if (audioSource != null)                         //注意:在加载过程中音频源可能被销毁,所以需要判空
                        {
                            audioSource.PlayOneShot(_assets[location].Clip);
                        }
                    }
                });
            }
        }
 private void PlayAudioClip(EAudioLayer layer, string location, bool isLoop)
 {
     if (_assets.ContainsKey(location))
     {
         if (_assets[location].Clip != null)
         {
             PlayAudioClipInternal(layer, _assets[location].Clip, isLoop);
         }
     }
     else
     {
         // 新建加载资源
         AssetAudio assetAudio = new AssetAudio(location, layer);
         _assets.Add(location, assetAudio);
         assetAudio.Load((AudioClip clip) =>
         {
             if (clip != null)
             {
                 PlayAudioClipInternal(layer, clip, isLoop);
             }
         });
     }
 }