public override byte[] ToRaw()
{
if (SaveTextureType != PsuTextureType.Raster)
{
throw new InvalidOperationException("Can't save DXT textures yet");
}
int width = mips[0].Width;
int height = mips[0].Height;
XvrImageParameters parameters = new XvrImageParameters(width, height, SaveTextureType, mips.Length > 1, SavePixelFormat);
//Let's try just leaving the file start blank? I don't think this actually works...
byte[] imageData = XvrRasterEncoders.GetEncoder(parameters).EncodeImage(mips, parameters);
MemoryStream headerStream = new MemoryStream();
BinaryWriter headerWriter = new BinaryWriter(headerStream);
headerWriter.Write(Encoding.ASCII.GetBytes(superFormat));
headerWriter.Write(globalIndex);
headerWriter.Write(unknown1);
headerWriter.Write((int)0);
headerWriter.Write(Encoding.ASCII.GetBytes(subFormat));
headerWriter.Write((int)imageData.Length + 8);
headerWriter.Write(parameters.pixelFormat);
headerWriter.Write(parameters.pixelFlags);
headerWriter.Write((short)0);
headerWriter.Write((short)width);
headerWriter.Write((short)height);
header = headerStream.ToArray();
MemoryStream outStream = new MemoryStream();
BinaryWriter outWriter = new BinaryWriter(outStream);
outWriter.Write((short)1);
outWriter.Write((short)0x84);
outWriter.Write((int)0);
outWriter.Write((int)0);
outWriter.Write((short)0x2A); //I don't know what this is!
short dimensionsMips = 0;
dimensionsMips |= (short)mips.Length;
byte widthPower = logTwo(width); //Make sure make sure MAKE SURE dimensions are a power of 2!
byte heightPower = logTwo(height);
dimensionsMips |= (short)(widthPower << 8);
dimensionsMips |= (short)(heightPower << 4);
outWriter.Write(dimensionsMips);
outWriter.Write((int)0);
outWriter.Write(1);
outWriter.Write((int)0);
outWriter.Write((int)imageData.Length);
outWriter.Write(imageData);
return(outStream.ToArray());
}
public Bitmap getPreviewMip(int mipIndex)
{
//this is a hack because DXT textures get converted to argb32 in case of rounding issues
//it should probably be handled differently?
if (!(mipDirty[mipIndex] && (mips[mipIndex].PixelFormat == SavePixelFormat.ToPixelFormat() && mips[mipIndex].Width == mips[0].Width >> mipIndex && mips[mipIndex].Height == mips[0].Height >> mipIndex)) && SavePixelFormat == OriginalPixelFormat)
{
return(mips[mipIndex]);
}
else
{
return(XvrRasterEncoders.GetEncoder(SaveTextureType, SavePixelFormat).getTranscodedMip(mips[mipIndex], mips[0].Width >> mipIndex, mips[0].Height >> mipIndex));
}
}
