// 从SpriteSleeperManager中找到本Image，所在的atlas
// 记录其tag
// 并标记引用此tag
private void FindTag()
{
if (string.IsNullOrEmpty(Tag) && _image != null && _manager != null && !_manager.Equals(null))
{
// 获取Image控件的Sprite
Sprite sprite = _image.sprite;
if (sprite != null)
{
// 保存自己的sprite名称
SpriteName = sprite.name;
// sprite对应的texture
Texture2D texture = sprite.texture;
if (texture != null)
{
// 从SpriteSleeperManager中，获取texture对应的tag
string tag = _manager.GetTag(texture);
if (tag != null)
{
StopListeningForAtlases();
Tag = tag;
//
_manager.RefTag(Tag);
}
}
}
}
}
private void OnDestroy()
{
if (_manager != null && !_manager.Equals(null))
{
_manager.RemoveCanvas(this);
}
}
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);
}
private void FindTag()
{
if (string.IsNullOrEmpty(Tag) && _image != null && _manager != null && !_manager.Equals(null))
{
Sprite sprite = _image.sprite;
if (sprite != null)
{
SpriteName = sprite.name;
Texture2D texture = sprite.texture;
if (texture != null)
{
string tag = _manager.GetTag(texture);
if (tag != null)
{
StopListeningForAtlases();
Tag = tag;
_manager.RefTag(Tag);
}
}
}
}
}
