/// <summary>
 /// 移除事件侦听
 /// </summary>
 /// <param name="_eventId">事件ID</param>
 /// <param name="_event">事件</param>
 public void RemoveListener(int _eventId, StrayFogEventHandler _event)
 {
     if (mEventHandlerMaping.ContainsKey(_eventId) &&
         mEventHandlerMaping[_eventId].Contains(_event))
     {
         mEventHandlerMaping[_eventId].Remove(_event);
     }
 }
    /// <summary>
    /// 添加事件侦听
    /// </summary>
    /// <param name="_eventId">事件枚举</param>
    /// <param name="_event">事件</param>
    public void AddListener(int _eventId, StrayFogEventHandler _event)
    {
        if (!mEventHandlerMaping.ContainsKey(_eventId))
        {
            mEventHandlerMaping.Add(_eventId, new List <StrayFogEventHandler>());
        }
        if (!_event.IsValid())
        {
#if UNITY_EDITOR
            Debug.LogError(string.Format("注册消息【{0}】失败=>Delegate.Target is null.", _eventId));
#endif
        }
        else if (!mEventHandlerMaping[_eventId].Contains(_event))
        {
            mEventHandlerMaping[_eventId].Add(_event);
        }
    }