private void Awake()
{
_canvas = GetComponent <Canvas>();
if (_canvas == null)
{
Debug.LogError("SpriteSleeperCanvas is unable to find a Canvas component on the current object. Ensure that this component is added to the GameObject containing the Canvas.");
return;
}
if (!_canvas.isRootCanvas)
{
Debug.LogError("SpriteSleeperCanvas should only be used on root canvases.");
return;
}
_hasCanvas = true;
_manager = SpriteSleeperManager.Instance();
if (_manager == null || _manager.Equals(null))
{
Debug.LogError("SpriteSleeperCanvas is unable to find a SpriteSleeperManager.");
return;
}
_manager.AddCanvas(this);
_spriteSleepers = new List <SpriteSleeperImage>();
RefreshImageList();
// Allow for canvases that start disabled to unref their images
Invoke("OnCanvasHierarchyChanged", 0.0001f);
}
public void Start()
{
_image = GetComponent <Image>();
_manager = SpriteSleeperManager.Instance();
_manager.OnAtlasLoaded += FindTag;
FindTag();
Invoke("StopListeningForAtlases", 0.0001f);
}
public static SpriteSleeperManager Instance()
{
if (_instance == null && !_destroyed)
{
GameObject spriteSleeperGameObject = new GameObject("SpriteSleeperManager");
GameObject.DontDestroyOnLoad(spriteSleeperGameObject);
spriteSleeperGameObject.hideFlags = HideFlags.DontSave | HideFlags.DontSaveInEditor | HideFlags.DontSaveInBuild;
_instance = spriteSleeperGameObject.AddComponent <SpriteSleeperManager>();
}
return(_instance);
}
public void Start()
{
// 获取到挂载的Image
_image = GetComponent <Image>();
// 获取SpriteSleeperManager实例
_manager = SpriteSleeperManager.Instance();
// 每加载一个atlas，就寻找下是自己？！
_manager.OnAtlasLoaded += FindTag;
// 从SpriteSleeperManager中找到本Image，所在的atlas
// 记录其tag
// 并标记引用此tag
FindTag();
Invoke("StopListeningForAtlases", 0.0001f);
}
