private VectorInt2 AllocateTexture(WadTexture texture)
{
// Check if the texture is already loaded
{
VectorInt2 position;
if (PackedTextures.TryGetValue(texture, out position))
{
return(position);
}
}
// Allocate texture
{
VectorInt2?position = TexturePacker.TryAdd(texture.Image.Size);
if (position == null)
{
throw new TextureAtlasFullException();
}
// Upload texture
if (Texture == null)
{
Texture = Texture2D.New(GraphicsDevice, TextureAtlasSize, TextureAtlasSize, SharpDX.DXGI.Format.B8G8R8A8_UNorm, TextureFlags.ShaderResource, 1, SharpDX.Direct3D11.ResourceUsage.Default);
}
TextureLoad.Update(GraphicsDevice, Texture, texture.Image, position.Value);
PackedTextures.Add(texture, position.Value);
return(position.Value);
}
}
private static TextureArea[] ConvertTrLevelTexturesToWadTexture(TrLevel oldLevel)
{
var objectTextures = new TextureArea[oldLevel.ObjectTextures.Count];
ImageC tiles = ImageC.FromByteArray(oldLevel.TextureMap32, 256, oldLevel.TextureMap32.Length / 1024);
tiles.ReplaceColor(new ColorC(255, 0, 255, 255), new ColorC(0, 0, 0, 0));
// for (int i = 0; i < oldLevel.ObjectTextures.Count; ++i)
Parallel.For(0, oldLevel.ObjectTextures.Count, i =>
{
var oldTexture = oldLevel.ObjectTextures[i];
int textureTileIndex = oldTexture.TileAndFlags & 0x7fff;
bool isTriangle = (oldTexture.TileAndFlags & 0x8000) != 0; // Exists only in TR4+
if (oldLevel.Version == TRVersion.Game.TR1 || oldLevel.Version == TRVersion.Game.TR2 || oldLevel.Version == TRVersion.Game.TR3)
{
isTriangle = (oldTexture.Vertices[3].X == 0) && (oldTexture.Vertices[3].Y == 0);
}
// Calculate UV coordinates...
Vector2[] coords = new Vector2[isTriangle ? 3 : 4];
for (int j = 0; j < coords.Length; ++j)
{
coords[j] = new Vector2(oldTexture.Vertices[j].X, oldTexture.Vertices[j].Y) * (1.0f / 256.0f);
}
// Find the corners of the texture
Vector2 min = coords[0], max = coords[0];
for (int j = 1; j < coords.Length; ++j)
{
min = Vector2.Min(min, coords[j]);
max = Vector2.Max(max, coords[j]);
}
VectorInt2 start = VectorInt2.FromFloor(min);
VectorInt2 end = VectorInt2.FromCeiling(max);
start = VectorInt2.Min(VectorInt2.Max(start, new VectorInt2()), new VectorInt2(256, 256));
end = VectorInt2.Min(VectorInt2.Max(end, new VectorInt2()), new VectorInt2(256, 256));
// Create image
ImageC image = ImageC.CreateNew(end.X - start.X, end.Y - start.Y);
image.CopyFrom(0, 0, tiles, start.X, start.Y + textureTileIndex * 256, end.X - start.X, end.Y - start.Y);
// Replace black with transparent color
//image.ReplaceColor(new ColorC(0, 0, 0, 255), new ColorC(0, 0, 0, 0));
WadTexture texture = new WadTexture(image);
// Create texture area
TextureArea textureArea = new TextureArea();
textureArea.DoubleSided = false;
textureArea.BlendMode = (BlendMode)(oldTexture.Attributes);
textureArea.TexCoord0 = coords[0] - start;
textureArea.TexCoord1 = coords[1] - start;
textureArea.TexCoord2 = coords[2] - start;
textureArea.TexCoord3 = isTriangle ? textureArea.TexCoord2 : (coords[3] - start);
textureArea.Texture = texture;
objectTextures[i] = textureArea;
});
return(objectTextures);
}
