public static FtexFile ReadFtexFile(Stream inputStream)
{
FtexFile result = new FtexFile();
result.Read(inputStream);
return(result);
}
public static FtexFile ConvertToFtex(DdsFile file, FtexTextureType textureType)
{
FtexFile result = new FtexFile();
if (file.Header.PixelFormat.Equals(DdsPixelFormat.DdsPfA8R8G8B8()))
result.PixelFormatType = 0;
else if (file.Header.PixelFormat.Equals(DdsPixelFormat.DdsLuminance()))
result.PixelFormatType = 1;
else if (file.Header.PixelFormat.Equals(DdsPixelFormat.DdsPfDxt1()))
result.PixelFormatType = 2;
else if (file.Header.PixelFormat.Equals(DdsPixelFormat.DdsPfDxt3()))
result.PixelFormatType = 3; // HACK: This is just a guess. The value isn't used in the Ground Zeroes files.
else if (file.Header.PixelFormat.Equals(DdsPixelFormat.DdsPfDxt5()))
result.PixelFormatType = 4;
else
throw new NotImplementedException(String.Format("Unknown PixelFormatType {0}", file.Header.PixelFormat));
result.Height = Convert.ToInt16(file.Header.Height);
result.Width = Convert.ToInt16(file.Header.Width);
result.Depth = Convert.ToInt16(file.Header.Depth);
var mipMapData = GetMipMapData(file);
var mipMaps = GetMipMapInfos(mipMapData);
var ftexsFiles = GetFtexsFiles(mipMaps, mipMapData);
result.MipMapCount = Convert.ToByte(mipMaps.Count());
result.NrtFlag = 2;
result.AddMipMapInfos(mipMaps);
result.AddFtexsFiles(ftexsFiles);
result.FtexsFileCount = Convert.ToByte(ftexsFiles.Count());
result.AdditionalFtexsFileCount = Convert.ToByte(ftexsFiles.Count() - 1);
result.TextureType = textureType;
// TODO: Handle the DDS depth flag.
return result;
}
public static DdsFile ConvertToDds(FtexFile file, bool deswizzle)
{
DdsFile result = new DdsFile
{
Header = new DdsFileHeader
{
Size = DdsFileHeader.DefaultHeaderSize,
Flags = DdsFileHeaderFlags.Texture | DdsFileHeaderFlags.MipMap,
Height = file.Height,
Width = file.Width,
Depth = file.Depth,
MipMapCount = file.MipMapCount,
Caps = DdsSurfaceFlags.Texture | DdsSurfaceFlags.MipMap
}
};
result.Data = file.Data;
switch (file.PixelFormatType)
{
case 0:
result.Header.PixelFormat = DdsPixelFormat.DdsPfA8R8G8B8();
result.Header.Flags = result.Header.Flags | DdsFileHeaderFlags.Volume;
if (deswizzle)
result.Data = ByteSwap16(Deswizzle(result.Data, result.Header.Width, result.Header.Height, result.Header.MipMapCount, "RGBA8"));
break;
case 1:
result.Header.PixelFormat = DdsPixelFormat.DdsLuminance();
break;
case 2:
result.Header.PixelFormat = DdsPixelFormat.DdsPfDxt1();
if (deswizzle)
result.Data = ByteSwap16(Deswizzle(result.Data, result.Header.Width, result.Header.Height, result.Header.MipMapCount, "DXT1"));
break;
case 3:
result.Header.PixelFormat = DdsPixelFormat.DdsPfDxt3(); // HACK: This is just a guess. The value isn't used in the Ground Zeroes files.
if (deswizzle)
result.Data = ByteSwap16(Deswizzle(result.Data, result.Header.Width, result.Header.Height, result.Header.MipMapCount, "DXT3"));
break;
case 4:
result.Header.PixelFormat = DdsPixelFormat.DdsPfDxt5();
if (deswizzle)
result.Data = ByteSwap16(Deswizzle(result.Data, result.Header.Width, result.Header.Height, result.Header.MipMapCount, "DXT5"));
break;
default:
throw new NotImplementedException(String.Format("Unknown PixelFormatType {0}", file.PixelFormatType));
}
return result;
}
public static FtexFile ReadFtexFile(Stream inputStream)
{
FtexFile result = new FtexFile();
result.Read(inputStream);
return result;
}
