/// <summary>
/// 播放声音
/// </summary>
/// <param name="serialId">声音的序列编号</param>
/// <param name="soundAsset">声音资源</param>
/// <param name="playSoundParams">播放声音参数</param>
/// <param name="errorCode">错误码</param>
/// <returns>用于播放的声音代理</returns>
public SoundAgent PlaySound(int serialId, object soundAsset, PlaySoundParams playSoundParams, out PlaySoundErrorCode?errorCode)
{
errorCode = null;
SoundAgent candidateAgent = null;
foreach (SoundAgent soundAgent in m_SoundAgents)
{
if (!soundAgent.IsPlaying)
{
candidateAgent = soundAgent;
break;
}
//如果当前声音代理正在播放
if (soundAgent.Priority < playSoundParams.Priority)
{
if (candidateAgent == null || soundAgent.Priority < candidateAgent.Priority)
{
candidateAgent = soundAgent;
}
}
else if (!AvoidBeingReplacedBySamePriority && soundAgent.Priority == playSoundParams.Priority)
{
if (candidateAgent == null || soundAgent.SetSoundAssetTime < candidateAgent.SetSoundAssetTime)
{
candidateAgent = soundAgent;
}
}
}
if (candidateAgent == null)
{
errorCode = PlaySoundErrorCode.IgnoredDueToLowPriority;
return(null);
}
if (!candidateAgent.SetSoundAsset(soundAsset))
{
errorCode = PlaySoundErrorCode.SetSoundAssetFailure;
return(null);
}
candidateAgent.SerialId = serialId;
candidateAgent.Time = playSoundParams.Time;
candidateAgent.MuteInSoundGroup = playSoundParams.MuteInSoundGroup;
candidateAgent.Loop = playSoundParams.Loop;
candidateAgent.Priority = playSoundParams.Priority;
candidateAgent.VolumeInSoundGroup = playSoundParams.VolumeInSoundGroup;
candidateAgent.Pitch = playSoundParams.Pitch;
candidateAgent.PanStereo = playSoundParams.PanStereo;
candidateAgent.SpatialBlend = playSoundParams.SpatialBlend;
candidateAgent.MaxDistance = playSoundParams.MaxDistance;
//播放声音
candidateAgent.Play(playSoundParams.FadeInSeconds);
return(candidateAgent);
}
private void LoadSoundSuccessCallback(string soundAssetName, object soundAsset, float duration, object userData)
{
LoadSoundInfo loadSoundInfo = (LoadSoundInfo)userData;
if (loadSoundInfo == null)
{
Debug.LogError("加载声音的信息为空");
return;
}
m_SoundsBeingLoaded.Remove(loadSoundInfo.SerialId);
//释放需要在加载后立即释放的声音
if (m_SoundsToReleaseOnLoad.Contains(loadSoundInfo.SerialId))
{
Debug.Log("在加载成功后释放了声音：" + loadSoundInfo.SerialId.ToString());
m_SoundsToReleaseOnLoad.Remove(loadSoundInfo.SerialId);
m_SoundHelper.ReleaseSoundAsset(soundAsset);
return;
}
//播放声音
PlaySoundErrorCode?errorCode = null;
SoundAgent soundAgent = loadSoundInfo.SoundGroup.PlaySound(loadSoundInfo.SerialId, soundAsset, loadSoundInfo.PlaySoundParams, out errorCode);
if (soundAgent != null)
{
//获取到声音代理辅助器，并设置绑定的实体或位置
PlaySoundInfo playSoundInfo = (PlaySoundInfo)loadSoundInfo.UserData;
SoundAgentHelperBase soundAgentHelper = soundAgent.Helper;
if (playSoundInfo.BindingEntity != null)
{
soundAgentHelper.SetBindingEntity(playSoundInfo.BindingEntity);
}
else
{
soundAgentHelper.SetWorldPosition(playSoundInfo.WorldPosition);
}
//派发播放声音成功事件
PlaySoundSuccessEventArgs se = ReferencePool.Acquire <PlaySoundSuccessEventArgs>();
m_EventManager.Fire(this, se.Fill(loadSoundInfo.UserData, loadSoundInfo.SerialId, soundAssetName, soundAgent, duration));
}
else
{
m_SoundsToReleaseOnLoad.Remove(loadSoundInfo.SerialId);
m_SoundHelper.ReleaseSoundAsset(soundAsset);
string errorMessage = string.Format("声音组： {0} 播放声音 '{1}' 失败.", loadSoundInfo.SoundGroup.Name, soundAssetName);
//派发播放声音失败事件
PlaySoundFailureEventArgs fe = ReferencePool.Acquire <PlaySoundFailureEventArgs>();
m_EventManager.Fire(this, fe.Fill(loadSoundInfo.UserData, loadSoundInfo.SerialId, soundAssetName, loadSoundInfo.SoundGroup.Name, loadSoundInfo.PlaySoundParams, errorCode.Value, errorMessage));
Debug.LogError("播放声音失败：" + errorMessage);
}
}
/// <summary>
/// 填充播放声音成功事件
/// </summary>
/// <returns>播放声音成功事件</returns>
public PlaySoundSuccessEventArgs Fill(object userData, int serialId, string soundAssetName, SoundAgent soundAgent, float duration)
{
PlaySoundInfo playSoundInfo = (PlaySoundInfo)userData;
SerialId = serialId;
SoundAssetName = soundAssetName;
BindingEntity = playSoundInfo.BindingEntity;
UserData = playSoundInfo.UserData;
SoundAgent = soundAgent;
Duration = duration;
return(this);
}