public static byte[] Create(ushort width, ushort height, GTEXFormat.GtexPixelFormat format, byte mimapCount, short depth, int linerSize, byte[] raw)
{
MemoryStream result = new MemoryStream();
BinaryWriter writer = new BinaryWriter(result);
writer.Write(0x20534444); //DDS magic
writer.Write(0x0000007c); //header size
writer.Write(0x00801007); //flags
writer.Write((uint)height);
writer.Write((uint)width);
writer.Write(linerSize); //liner
writer.Write((int)depth); //depth
writer.Write((int)mimapCount); //mimap count
writer.Write(new byte[11 * 4]); //reserved1
//DDS Pixel Format
writer.Write(0x000020); //size
writer.Write(GTEXFormat.GetFlags(format)); //flags
writer.Write(GTEXFormat.GetFormat(format)); //fourCC
writer.Write(GTEXFormat.GetRGBBitCount(format)); //RGB bit count
writer.Write(GTEXFormat.GetRBitMask(format)); //RBit mark
writer.Write(GTEXFormat.GetGBitMask(format)); //GBit mark
writer.Write(GTEXFormat.GetBBitMask(format)); //BBit mark
writer.Write(GTEXFormat.GetABitMask(format)); //ABit mark
writer.Write(0x00001000); //caps
writer.Write(new byte[4]); //caps2
writer.Write(new byte[4]); //caps3
writer.Write(new byte[4]); //caps4
writer.Write(new byte[4]); //reserved2
//Raw Texture
writer.Write(raw);
writer.Close();
return(result.ToArray());
}
public static void Unpack(string xgr, string dir)
{
string imgb = Path.Combine(Path.GetDirectoryName(xgr), $"{Path.GetFileNameWithoutExtension(xgr)}.imgb");
if (!File.Exists(imgb))
{
throw new Exception("IMGB file not found.");
}
FileStream stream = File.OpenRead(xgr);
FileStream imgbStream = File.OpenRead(imgb);
BeBinaryReader reader = new BeBinaryReader(stream);
BinaryReader imgbReader = new BinaryReader(imgbStream);
if (reader.ReadInt32() == 0x57504400)
{
uint fileCount = reader.ReadUInt32();
reader.BaseStream.Position += 8; //zeroes
for (int i = 0; i < fileCount; i++)
{
string fileName = Encoding.ASCII.GetString(reader.ReadBytes(16)).Replace($"{(char)0}", string.Empty);
uint infoOffset = reader.ReadUInt32();
uint infoSize = reader.ReadUInt32();
string fileExt = Encoding.ASCII.GetString(reader.ReadBytes(8)).Replace($"{(char)0}", string.Empty);
string filePath = Path.Combine(dir, $"{fileName}.{fileExt}");
long current = reader.BaseStream.Position;
reader.BaseStream.Position = infoOffset;
if (fileExt == "txbh")
{
string magicWord = Encoding.ASCII.GetString(reader.ReadBytes(8)).Replace($"{(char)0}", string.Empty);
reader.BaseStream.Position += 56; //unknow
string fileType = Encoding.ASCII.GetString(reader.ReadBytes(4)).Replace($"{(char)0}", string.Empty);
reader.BaseStream.Position += 2; //unknow
GTEXFormat.GtexPixelFormat format = (GTEXFormat.GtexPixelFormat)reader.ReadByte();
byte mimapCount = reader.ReadByte();
reader.ReadByte(); //unknow
bool isCubeMap = reader.ReadBoolean();
ushort width = reader.ReadUInt16();
ushort height = reader.ReadUInt16();
short depth = reader.ReadInt16();
int linerSize = reader.ReadInt32();
reader.BaseStream.Position += 4;
uint offsetImgb = reader.ReadUInt32();
uint size = reader.ReadUInt32();
imgbReader.BaseStream.Position = offsetImgb;
byte[] raw = imgbReader.ReadBytes((int)size);
byte[] result = DDS.Create(width, height, format, mimapCount, depth, linerSize, raw);
File.WriteAllBytes($"{filePath}.dds", result);
}
else
{
byte[] bytes = reader.ReadBytes((int)infoSize);
File.WriteAllBytes($"{filePath}.{fileExt}", bytes);
}
Console.WriteLine($"Unpacked: {fileName}.{fileExt}");
reader.BaseStream.Position = current;
}
}
else
{
throw new Exception("File is not a XGR file.");
}
reader.Close();
stream.Close();
imgbReader.Close();
imgbStream.Close();
}
