void CopyTexelsClut(BinaryReader br, BinaryWriter bw, TxmHeader pakTxm, TxmHeader textureTxm)
{
if (pakTxm.ClutPixelFormat != TxmPixelFormat.None)
{
throw new ArgumentException("Cannot operate on source TXM with CLUT.", nameof(pakTxm));
}
if (textureTxm.ClutPixelFormat == TxmPixelFormat.None)
{
return;
}
var destColumnParams = GsMemoryUtils.GetColumnParams(textureTxm.ClutPixelFormat);
int copyLength = textureTxm.GetClutByteSize();
int baseBlockNumber = textureTxm.ClutBufferBase - pakTxm.ImageBufferBase;
int srcBase = 0x10 + pakTxm.GetClutByteSize();
var destBase = 0x10;
int bytesPerSrcLine = pakTxm.GetImageByteSize() / pakTxm.ImageHeight;
int bytesPerDestLine = textureTxm.GetClutByteSize() / textureTxm.ClutHeight;
bw.Write(new byte[copyLength]);
int numXBlocks = textureTxm.ClutWidth / destColumnParams.Width;
if (numXBlocks == 0)
{
numXBlocks = 1;
}
int numYBlocks = textureTxm.ClutHeight / (destColumnParams.Height * GsMemoryUtils.COLUMNS_PER_BLOCK);
if (numYBlocks == 0)
{
numYBlocks = 1;
}
int destBlock = 0;
for (int blockY = 0; blockY < numYBlocks; ++blockY)
{
for (int blockX = 0; blockX < numXBlocks; ++blockX)
{
int blockNumber = baseBlockNumber + GsMemoryUtils.CalcBlockNumber(textureTxm.ClutPixelFormat, blockX, blockY, 1);
br.BaseStream.Seek(srcBase + GsMemoryUtils.CalcBlockMemoryOffset(pakTxm.ImageSourcePixelFormat, blockNumber),
SeekOrigin.Begin);
bw.BaseStream.Seek(destBase + GsMemoryUtils.CalcTxmImageOffset(destColumnParams, destBlock, textureTxm.ClutWidth),
SeekOrigin.Begin);
for (int i = 0; i < GsMemoryUtils.COLUMNS_PER_BLOCK; ++i)
{
byte[] col = GsMemoryUtils.ReadColumn(br, pakTxm.ImageSourcePixelFormat, bytesPerSrcLine);
GsMemoryUtils.WriteColumn(bw, textureTxm.ClutPixelFormat, bytesPerDestLine, col);
}
++destBlock;
}
}
// Dump palette
//bw.BaseStream.Seek(destBase, SeekOrigin.Begin);
//BinaryReader palBr = new BinaryReader(bw.BaseStream);
//using (var palette = TxmConversion.ConvertTxmRgba32(palBr, textureTxm.ClutWidth, textureTxm.ClutHeight))
//{
// palette.SaveAsPng($"palette_{numWrittenTextures}.png");
//}
}
public static Image <Rgba32> ConvertTxmToImage(Stream stream)
{
BinaryReader br = new BinaryReader(stream);
TxmHeader imageHeader = new TxmHeader();
imageHeader.Read(br);
Console.WriteLine(imageHeader);
//if (imageHeader.Misc != 1)
// Console.WriteLine("Different level!");
Image <Rgba32> image;
if (imageHeader.ImageSourcePixelFormat == TxmPixelFormat.PSMT8 || imageHeader.ImageSourcePixelFormat == TxmPixelFormat.PSMT4)
{
Rgba32[] palette = null;
if (imageHeader.ClutPixelFormat == TxmPixelFormat.PSMCT32)
{
stream.Seek(16, SeekOrigin.Begin);
palette = ReadRgba32Palette(br, imageHeader.ClutWidth, imageHeader.ClutHeight);
//fs.Seek(16, SeekOrigin.Begin);
//using (var palImage = ConvertTxmRgba32(br, imageHeader.ClutWidth, imageHeader.ClutHeight))
//{
// palImage.SaveAsPng(Path.ChangeExtension(outPath, ".pal.png"));
//}
}
else
{
throw new NotSupportedException("Unsupported pixel format from second texture");
}
stream.Seek(16 + (imageHeader.GetClutByteSize() + 15) / 16 * 16, SeekOrigin.Begin);
if (imageHeader.ImageSourcePixelFormat == TxmPixelFormat.PSMT8)
{
image = ConvertTxmIndexed8bpp(br, imageHeader.ImageWidth, imageHeader.ImageHeight, palette);
}
else
{
image = ConvertTxmIndexed4bpp(br, imageHeader.ImageWidth, imageHeader.ImageHeight, palette);
}
}
else if (imageHeader.ImageSourcePixelFormat == TxmPixelFormat.PSMCT32)
{
stream.Seek(16, SeekOrigin.Begin);
image = ConvertTxmRgba32(br, imageHeader.ImageWidth, imageHeader.ImageHeight);
}
else
{
throw new NotSupportedException("Unsupported pixel format");
}
return(image);
}
void CopyTexels(BinaryReader br, BinaryWriter bw, TxmHeader pakTxm, TxmHeader textureTxm)
{
if (pakTxm.ClutPixelFormat != TxmPixelFormat.None)
{
throw new ArgumentException("Cannot operate on source TXM with CLUT.", nameof(pakTxm));
}
var destColumnParams = GsMemoryUtils.GetColumnParams(textureTxm.ImageSourcePixelFormat);
int copyLength = textureTxm.GetImageByteSize();
int srcBase = 0x10 + pakTxm.GetClutByteSize();
int baseBlockNumber = textureTxm.ImageBufferBase - pakTxm.ImageBufferBase;
int destBase = 0x10 + textureTxm.GetClutByteSize();
int bytesPerSrcLine = pakTxm.GetImageByteSize() / pakTxm.ImageHeight;
int bytesPerDestLine = copyLength / textureTxm.ImageHeight;
bw.Write(new byte[copyLength]);
int numXBlocks = textureTxm.ImageWidth / destColumnParams.Width;
if (numXBlocks == 0)
{
numXBlocks = 1;
}
int numYBlocks = textureTxm.ImageHeight / (destColumnParams.Height * GsMemoryUtils.COLUMNS_PER_BLOCK);
if (numYBlocks == 0)
{
numYBlocks = 1;
}
int destBlock = 0;
for (int blockY = 0; blockY < numYBlocks; ++blockY)
{
for (int blockX = 0; blockX < numXBlocks; ++blockX)
{
int blockNumber = baseBlockNumber + GsMemoryUtils.CalcBlockNumber(textureTxm.ImageSourcePixelFormat, blockX, blockY, textureTxm.Misc);
br.BaseStream.Seek(srcBase + GsMemoryUtils.CalcBlockMemoryOffset(pakTxm.ImageSourcePixelFormat, blockNumber),
SeekOrigin.Begin);
bw.BaseStream.Seek(destBase + GsMemoryUtils.CalcTxmImageOffset(destColumnParams, destBlock, textureTxm.ImageWidth),
SeekOrigin.Begin);
for (int i = 0; i < GsMemoryUtils.COLUMNS_PER_BLOCK; ++i)
{
byte[] col = GsMemoryUtils.ReadColumn(br, pakTxm.ImageSourcePixelFormat, bytesPerSrcLine);
if (pakTxm.ImageSourcePixelFormat != textureTxm.ImageSourcePixelFormat)
{
col = PsmtMixer.MixColumn(col, pakTxm.ImageSourcePixelFormat, textureTxm.ImageSourcePixelFormat, i % 2 != 0);
}
GsMemoryUtils.WriteColumn(bw, textureTxm.ImageSourcePixelFormat, bytesPerDestLine, col);
}
++destBlock;
}
}
}
public static void ConvertImageToTxm(string inPath, Stream outStream, byte level = 1, ushort bufferBase = 0, ushort paletteBufferBase = 0)
{
using (var image = Image.Load <Rgba32>(inPath))
{
// Gather all colors to see if it would fit in PSMT8
TxmPixelFormat pixelFormat = TxmPixelFormat.None;
HashSet <Rgba32> colorSet = new HashSet <Rgba32>();
List <Rgba32> palette = null;
for (int y = 0; y < image.Height; ++y)
{
var row = image.GetPixelRowSpan(y);
for (int x = 0; x < image.Width; ++x)
{
colorSet.Add(row[x]);
if (colorSet.Count > 256)
{
pixelFormat = TxmPixelFormat.PSMCT32;
y = image.Height;
break;
}
}
}
short paletteWidth = 0;
short paletteHeight = 0;
if (pixelFormat == TxmPixelFormat.None)
{
// Palette check passed, assign palettized pixel format
if (colorSet.Count > 16)
{
pixelFormat = TxmPixelFormat.PSMT8;
paletteWidth = 16;
paletteHeight = 16;
}
else
{
pixelFormat = TxmPixelFormat.PSMT4;
paletteWidth = 8;
paletteHeight = 2;
}
palette = new List <Rgba32>(colorSet);
}
// Write header
BinaryWriter bw = new BinaryWriter(outStream);
TxmHeader txmHeader = new TxmHeader
{
ImageSourcePixelFormat = pixelFormat,
ImageVideoPixelFormat = pixelFormat,
ImageWidth = (short)image.Width,
ImageHeight = (short)image.Height,
ImageBufferBase = bufferBase,
ClutPixelFormat = palette != null ? TxmPixelFormat.PSMCT32 : TxmPixelFormat.None,
Misc = (byte)(level & 0x0f),
ClutWidth = paletteWidth,
ClutHeight = paletteHeight,
ClutBufferBase = paletteBufferBase
};
txmHeader.Write(bw);
// Write palette
int palettePixelsWritten = 0;
if (pixelFormat == TxmPixelFormat.PSMT4)
{
foreach (var color in palette)
{
bw.Write(color.R);
bw.Write(color.G);
bw.Write(color.B);
bw.Write((byte)((color.A + 1) >> 1));
++palettePixelsWritten;
}
}
else if (pixelFormat == TxmPixelFormat.PSMT8)
{
int baseOffset = 0;
Rgba32 black = new Rgba32();
int[] order = new int[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
};
while (palettePixelsWritten < palette.Count)
{
foreach (var offset in order)
{
var palOffset = baseOffset + offset;
var color = palOffset < palette.Count ? palette[palOffset] : black;
bw.Write(color.R);
bw.Write(color.G);
bw.Write(color.B);
bw.Write((byte)((color.A + 1) >> 1));
++palettePixelsWritten;
}
baseOffset += order.Length;
}
}
// Pad out rest of palette
int targetOffset = 16 + (txmHeader.GetClutByteSize() + 15) / 16 * 16;
while (outStream.Position < targetOffset)
{
bw.Write((byte)0);
}
// Write main image data
byte pal4BppBuffer = 0;
bool odd = false;
for (int y = 0; y < image.Height; ++y)
{
var row = image.GetPixelRowSpan(y);
for (int x = 0; x < image.Width; ++x)
{
var pixel = row[x];
if (pixelFormat == TxmPixelFormat.PSMCT32)
{
bw.Write(pixel.R);
bw.Write(pixel.G);
bw.Write(pixel.B);
bw.Write(pixel.A); // Should be halved, but full range is used on PC
}
else
{
var palIndex = palette.IndexOf(pixel);
if (pixelFormat == TxmPixelFormat.PSMT4)
{
pal4BppBuffer <<= 4;
pal4BppBuffer |= (byte)(palIndex & 0x0f);
odd = !odd;
if (!odd)
{
bw.Write(pal4BppBuffer);
pal4BppBuffer = 0;
}
}
else
{
bw.Write((byte)palIndex);
}
}
}
}
}
}