/// <summary>
/// 获取到单例,若无法获取到则返回异常;
/// </summary>
/// <exception cref="GameObjectNotFoundException"></exception>
/// <exception cref="ComponentNotFoundException"></exception>
public T GetInstance()
{
lock (asyncLock)
{
if (instance != null)
{
return(instance);
}
if (UnityThread.IsUnityThread)
{
#if UNITY_EDITOR
if (UnityThread.IsEditMode)
{
Debug.LogWarning("在编辑模式下进行了单例访问;");
return(Find());
}
#endif
return(instance ?? (instance = Find()));
}
else
{
#if UNITY_EDITOR
if (UnityThread.IsEditMode)
{
Debug.LogWarning("在编辑模式下进行了单例访问;");
return(UnityThread.Run(Find).Result);
}
#endif
return(instance ?? (instance = UnityThread.Run(Find).Result));
}
}
}
/// <summary>
/// 添加 观察者 到 Unity.Debug.unityLogger.logHandler;(仅Unity线程调用)
/// </summary>
public static IDisposable Subscribe(IObserver <UnityDebugLogEvent> observer)
{
UnityThread.ThrowIfNotUnityThread();
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
if (defaultLogHandler == null)
{
defaultLogHandler = Debug.unityLogger.logHandler;
Debug.unityLogger.logHandler = new LogHandler();
}
return(observers.Subscribe(observer));
}
/// <summary>
/// 搜索获取到单例;
/// </summary>
/// <exception cref="GameObjectNotFoundException"></exception>
/// <exception cref="ComponentNotFoundException"></exception>
/// <exception cref="InvalidOperationException">当非Unity线程调用时</exception>
public T Find()
{
UnityThread.ThrowIfNotUnityThread();
GameObject sceneController = GameObject.FindWithTag(ControllerTagName);
if (sceneController != null)
{
var instance = sceneController.GetComponentInChildren <T>();
if (instance == null)
{
throw new ComponentNotFoundException(string.Format("未找到类型[{0}]", typeof(T).FullName));
}
else
{
return(instance);
}
}
else
{
throw new GameObjectNotFoundException(string.Format("未找到标签[{0}]", ControllerTagName));
}
}