public static TextureRenderInfo BuildSingleTexture(Gwen.Renderer.Tao renderer, string url)
{
if (!ResProtocol.IsSingleTexture(url))
{
return(null);
}
AssetDesc desc = Scene.Instance.GetAssetDesc(url);
if (desc == null)
{
return(null);
}
string fullpath = Path.Combine(GState.AssetRoot, SysUtil.ToWindowsPath(desc.Path));
if (!File.Exists(fullpath))
{
return(null);
}
Gwen.Texture t;
t = new Gwen.Texture(renderer);
if (t == null)
{
return(null);
}
t.Load(fullpath);
if (t.Failed)
{
return(null);
}
TextureRenderInfo tri = new TextureRenderInfo();
tri.u1 = 0;
tri.v1 = 0;
tri.u2 = 1;
tri.v2 = 1;
tri.texture = t;
return(tri);
}
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);
}
private void DrawImage(GwenRenderContext grc, Rectangle rect, string url)
{
TextureRenderInfo tri = GwenTextureProvider.Instance.GetTextureRenderInfo(grc.Renderer, url);
if (tri == null) // 找不到贴图的话，正常的处理应该用一个显眼的错误图案，这里暂时先忽略，待补充
{
return;
}
// 处理非九宫格图像渲染
if (tri.uv9Grid == null)
{
grc.Renderer.DrawTexturedRect(tri.texture, rect, tri.u1, tri.v1, tri.u2, tri.v2);
return;
}
// 九宫格渲染
bool hori = tri.uv9Grid.IsHoriStreched();
bool vert = tri.uv9Grid.IsVertStreched();
if (hori && vert)
{
// ========== 完全九宫格 ===========
// 先画四个角
Rectangle upperLeft = rect;
upperLeft.Width = tri.uv9Grid.GetLeft(rect.Width);
upperLeft.Height = tri.uv9Grid.GetTop(rect.Height);
grc.Renderer.DrawTexturedRect(tri.texture, upperLeft, tri.u1, tri.v1, tri.uv9Grid.uLeft, tri.uv9Grid.vTop);
Rectangle upperRight = rect;
upperRight.Width = tri.uv9Grid.GetRight(rect.Width);
upperRight.Height = tri.uv9Grid.GetTop(rect.Height);
upperRight.X = rect.Right - upperRight.Width;
grc.Renderer.DrawTexturedRect(tri.texture, upperRight, tri.uv9Grid.uRight, tri.v1, tri.u2, tri.uv9Grid.vTop);
Rectangle lowerLeft = rect;
lowerLeft.Width = tri.uv9Grid.GetLeft(rect.Width);
lowerLeft.Height = tri.uv9Grid.GetBottom(rect.Height);
lowerLeft.Y = rect.Bottom - lowerLeft.Height;
grc.Renderer.DrawTexturedRect(tri.texture, lowerLeft, tri.u1, tri.uv9Grid.vBottom, tri.uv9Grid.uLeft, tri.v2);
Rectangle lowerRight = rect;
lowerRight.Width = tri.uv9Grid.GetRight(rect.Width);
lowerRight.Height = tri.uv9Grid.GetBottom(rect.Height);
lowerRight.X = rect.Right - lowerRight.Width;
lowerRight.Y = rect.Bottom - lowerRight.Height;
grc.Renderer.DrawTexturedRect(tri.texture, lowerRight, tri.uv9Grid.uRight, tri.uv9Grid.vBottom, tri.u2, tri.v2);
// 再画四个方向上的拉伸部分
if (tri.uv9Grid.HasHoriStrechArea(rect.Width))
{
grc.Renderer.DrawTexturedRect(tri.texture,
new Rectangle(rect.X + upperLeft.Width, rect.Y, rect.Width - upperLeft.Width - upperRight.Width, tri.uv9Grid.GetTop(rect.Height)),
tri.uv9Grid.uLeft, tri.v1, tri.uv9Grid.uRight, tri.uv9Grid.vTop);
grc.Renderer.DrawTexturedRect(tri.texture,
new Rectangle(rect.X + upperLeft.Width, rect.Bottom - lowerRight.Height, rect.Width - upperLeft.Width - upperRight.Width, lowerRight.Height),
tri.uv9Grid.uLeft, tri.uv9Grid.vBottom, tri.uv9Grid.uRight, tri.v2);
}
if (tri.uv9Grid.HasVertStrechArea(rect.Height))
{
grc.Renderer.DrawTexturedRect(tri.texture,
new Rectangle(rect.X, rect.Y + upperLeft.Height, upperLeft.Width, rect.Height - upperLeft.Height - lowerLeft.Height),
tri.u1, tri.uv9Grid.vTop, tri.uv9Grid.uLeft, tri.uv9Grid.vBottom);
grc.Renderer.DrawTexturedRect(tri.texture,
new Rectangle(rect.Right - lowerRight.Width, rect.Y + upperLeft.Height, lowerRight.Width, rect.Height - upperRight.Height - lowerRight.Height),
tri.uv9Grid.uRight, tri.uv9Grid.vTop, tri.u2, tri.uv9Grid.vBottom);
}
// 最后画中央区域拉伸部分
if (tri.uv9Grid.HasHoriStrechArea(rect.Width) && tri.uv9Grid.HasVertStrechArea(rect.Height))
{
grc.Renderer.DrawTexturedRect(tri.texture,
new Rectangle(rect.X + upperLeft.Width,
rect.Y + upperLeft.Height,
rect.Width - upperLeft.Width - upperRight.Width,
rect.Height - upperRight.Height - lowerRight.Height),
tri.uv9Grid.uLeft, tri.uv9Grid.vTop, tri.uv9Grid.uRight, tri.uv9Grid.vBottom);
}
}
else if (hori)
{
// ========== 横向九宫格 ===========
// 先画左右两端
Rectangle leftPart = rect;
leftPart.Width = tri.uv9Grid.GetLeft(rect.Width);
grc.Renderer.DrawTexturedRect(tri.texture, leftPart, tri.u1, tri.v1, tri.uv9Grid.uLeft, tri.v2);
Rectangle rightPart = rect;
rightPart.Width = tri.uv9Grid.GetRight(rect.Width);
rightPart.X = rect.Right - rightPart.Width;
grc.Renderer.DrawTexturedRect(tri.texture, rightPart, tri.uv9Grid.uRight, tri.v1, tri.u2, tri.v2);
// 再画中间拉伸部分
if (tri.uv9Grid.HasHoriStrechArea(rect.Width))
{
Rectangle middlePart = rect;
middlePart.Width = rect.Width - leftPart.Width - rightPart.Width;
middlePart.X = rect.X + leftPart.Width;
grc.Renderer.DrawTexturedRect(tri.texture, middlePart, tri.uv9Grid.uLeft, tri.v1, tri.uv9Grid.uRight, tri.v2);
}
}
else if (vert)
{
// ========== 纵向九宫格 ===========
// 先画上下两端
Rectangle topPart = rect;
topPart.Height = tri.uv9Grid.GetTop(rect.Height);
grc.Renderer.DrawTexturedRect(tri.texture, topPart, tri.u1, tri.v1, tri.u2, tri.uv9Grid.vTop);
Rectangle bottomPart = rect;
bottomPart.Height = tri.uv9Grid.GetBottom(rect.Height);
bottomPart.Y = rect.Bottom - bottomPart.Height;
grc.Renderer.DrawTexturedRect(tri.texture, bottomPart, tri.u1, tri.uv9Grid.vBottom, tri.u2, tri.v2);
// 再画中间拉伸部分
if (tri.uv9Grid.HasVertStrechArea(rect.Height))
{
Rectangle middlePart = rect;
middlePart.Height = rect.Height - topPart.Height - bottomPart.Height;
middlePart.Y = rect.Y + topPart.Height;
grc.Renderer.DrawTexturedRect(tri.texture, middlePart, tri.u1, tri.uv9Grid.vTop, tri.u2, tri.uv9Grid.vBottom);
}
}
}