public Atlas GetAtlas(Gwen.Renderer.Tao renderer, string filePath)
{
// 先在缓存里找
Atlas ret;
if (m_lut.TryGetValue(filePath, out ret))
{
return(ret);
}
// 加载贴图，如果这个过程失败，那么认为 atlas 加载失败
Gwen.Texture t;
t = new Gwen.Texture(renderer);
if (t == null)
{
return(null);
}
t.Load(filePath + ResProtocol.ResImageFilePostfix);
if (t.Failed)
{
return(null);
}
// 加载描述文件，如果这个过程失败，仍返回有效的 atlas
string descFilePath = filePath + ResProtocol.ResDescFilePostfix;
JObject desc = null;
if (File.Exists(descFilePath))
{
desc = ucore.JsonUtil.ReadTextIntoJObject(filePath + ResProtocol.ResDescFilePostfix);
}
// 拼装成有效的 atlas
ret = new Atlas();
ret.FilePath = filePath;
ret.Texture = t;
ret.Desc = desc;
return(ret);
}
public TextureRenderInfo GetTextureRenderInfo(Gwen.Renderer.Tao renderer, string url)
{
TextureRenderInfo tri;
if (m_lut.TryGetValue(url, out tri))
{
return(tri);
}
// 如果是单张贴图，直接处理后返回
if (ResProtocol.IsSingleTexture(url))
{
tri = GwenTextureUtil.BuildSingleTexture(renderer, url);
m_lut[url] = tri;
return(tri);
}
string atlasName;
string tileName;
if (!ResProtocol.ParseURL(url, out atlasName, out tileName))
{
return(null);
}
string filePath = ResourceManager.Instance.GetAtlasFilePath(atlasName);
Atlas atlas = AtlasManager.Instance.GetAtlas(renderer, filePath);
if (atlas == null)
{
return(null);
}
ImageResource res = ResourceManager.Instance.GetResource(url);
if (res == null)
{
return(null);
}
Texture9GridBorderInfo uv9Grid = null;
Rectangle border9Grid = atlas.GetTileBorderInfo(tileName);
if (border9Grid != ucore.Const.ZERO_RECT)
{
uv9Grid = new Texture9GridBorderInfo();
uv9Grid.border = border9Grid;
uv9Grid.size = res.Size;
if (border9Grid.Left != 0 && border9Grid.Right != 0)
{
uv9Grid.uLeft = ((float)res.Position.X + (float)border9Grid.Left) / (float)atlas.Texture.Width;
uv9Grid.uRight = ((float)res.Position.X + (float)border9Grid.Right) / (float)atlas.Texture.Width;
}
if (border9Grid.Top != 0 && border9Grid.Bottom != 0)
{
uv9Grid.vTop = ((float)res.Position.Y + (float)border9Grid.Top) / (float)atlas.Texture.Height;
uv9Grid.vBottom = ((float)res.Position.Y + (float)border9Grid.Bottom) / (float)atlas.Texture.Height;
}
}
tri = new TextureRenderInfo();
tri.u1 = (float)res.Position.X / (float)atlas.Texture.Width;
tri.v1 = (float)res.Position.Y / (float)atlas.Texture.Height;
tri.u2 = ((float)res.Position.X + (float)res.Size.Width) / (float)atlas.Texture.Width;
tri.v2 = ((float)res.Position.Y + (float)res.Size.Height) / (float)atlas.Texture.Height;
tri.texture = atlas.Texture;
tri.uv9Grid = uv9Grid;
m_lut[url] = tri;
return(tri);
}
