private void CreateTexturePacker()
{
PackedTextures = new Dictionary <WadTexture, VectorInt2>();
if (_compactTexture)
{
TexturePacker = new RectPackerTree(new VectorInt2(TextureAtlasSize, TextureAtlasSize));
}
else
{
TexturePacker = new RectPackerSimpleStack(new VectorInt2(TextureAtlasSize, TextureAtlasSize));
}
}
public List <ImageC> PackTextures()
{
//Sort textures for packing order...
int[] usedTexturesProcessingOrder = new int[_usedTextures.Count];
for (int i = 0; i < _usedTextures.Count; ++i)
{
usedTexturesProcessingOrder[i] = i;
}
Array.Sort(usedTexturesProcessingOrder, new TextureComparer {
_usedTextures = _usedTextures
});
//Pack the textures...
List <ImageC> resultingTextures = new List <ImageC>();
List <RectPacker> resultingTexturesPacker = new List <RectPacker>();
_usedTexturePackInfos = new Result[_usedTextures.Count];
foreach (int UsedTextureIndex in usedTexturesProcessingOrder)
{
TextureView usedTexture = _usedTextures[UsedTextureIndex];
Result usedTexturePackInfo;
for (ushort i = 0; i < resultingTextures.Count; ++i)
{
VectorInt2?packingPosition = resultingTexturesPacker[i].TryAdd(usedTexture.Area.Size);
if (packingPosition.HasValue)
{
usedTexturePackInfo = new Result {
OutputTextureID = i, Pos = packingPosition.Value
};
goto PackNextUsedTexture;
}
}
var packer = new RectPackerTree(new VectorInt2(_pageSize));
usedTexturePackInfo = new Result {
OutputTextureID = (ushort)resultingTextures.Count, Pos = packer.TryAdd(usedTexture.Area.Size).Value
};
resultingTextures.Add(ImageC.CreateNew(_pageSize, _pageSize));
resultingTexturesPacker.Add(packer);
//Write texture data...
PackNextUsedTexture:
resultingTextures[usedTexturePackInfo.OutputTextureID].CopyFrom(usedTexturePackInfo.Pos.X, usedTexturePackInfo.Pos.Y,
usedTexture.Texture.Image, usedTexture.Area.X0, usedTexture.Area.Y0, usedTexture.Area.Width, usedTexture.Area.Height);
_usedTexturePackInfos[UsedTextureIndex] = usedTexturePackInfo;
}
return(resultingTextures);
}
