private void Readmetadata(MetadataReader metadata, out TIM2Segment.TIM2SegmentParameters parameters, out string basename, out int palCount)
{
metadata.EnterSection("TIM2Texture");
basename = metadata.GetAttribute <string>("Basename");
palCount = metadata.GetAttribute <int>("Cluts");
parameters = new TIM2Segment.TIM2SegmentParameters();
parameters.swizzled = swizzled;
parameters.linearPalette = metadata.GetAttribute <bool>("LinearClut");
parameters.width = metadata.Get <int>("Width");
parameters.height = metadata.Get <int>("Height");
parameters.bpp = metadata.Get <byte>("Bpp");
parameters.colorSize = metadata.Get <int>("ColorSize");
parameters.mipmapCount = metadata.Get <byte>("MipmapCount");
parameters.format = metadata.Get <byte>("Format");
parameters.GsTEX0 = metadata.Get <byte[]>("GsTEX0");
parameters.GsTEX1 = metadata.Get <byte[]>("GsTEX1");
parameters.GsRegs = metadata.Get <uint>("GsRegs");
parameters.GsTexClut = metadata.Get <uint>("GsTexClut");
parameters.userdata = metadata.Get <byte[]>("UserData");
metadata.ExitSection();
}
private void WriteHeader(TIM2Segment.TIM2SegmentParameters parameters, Stream outFormatData, byte[] imageData, byte[] paletteData)
{
BinaryWriter writer = new BinaryWriter(outFormatData);
uint totalSize = (uint)(0x30 + parameters.userdata.Length + imageData.Length + paletteData.Length);
writer.Write(totalSize);
writer.Write((uint)paletteData.Length);
writer.Write((uint)imageData.Length);
writer.Write((ushort)(0x30 + parameters.userdata.Length));
ushort colorEntries = (ushort)(parameters.bpp > 8 ? 0 : 1 << parameters.bpp);
writer.Write(colorEntries);
writer.Write(parameters.format);
writer.Write(parameters.mipmapCount);
byte clutFormat = (byte)(parameters.bpp > 8 ? 0 : parameters.colorSize - 1);
clutFormat |= parameters.linearPalette ? (byte)0x80 : (byte)0;
writer.Write(clutFormat);
byte depth;
switch (parameters.bpp)
{
case 4:
depth = 4;
break;
case 8:
depth = 5;
break;
case 16:
depth = 1;
break;
case 24:
depth = 2;
break;
case 32:
depth = 3;
break;
default:
throw new ArgumentException("Should never happen");
}
writer.Write(depth);
writer.Write((ushort)parameters.width);
writer.Write((ushort)parameters.height);
writer.Write(parameters.GsTEX0);
writer.Write(parameters.GsTEX1);
writer.Write(parameters.GsRegs);
writer.Write(parameters.GsTexClut);
writer.Write(parameters.userdata);
}
public void Save(TextureFormat texture, Stream outFormatData)
{
TIM2Segment segment = texture as TIM2Segment;
if (segment == null)
{
throw new TextureFormatException("Not A valid TIM2Segment!");
}
byte[] imageData = segment.GetImageData();
byte[] paletteData = segment.GetPaletteData();
TIM2Segment.TIM2SegmentParameters parameters = segment.GetParameters();
//write header
WriteHeader(parameters, outFormatData, imageData, paletteData);
outFormatData.Write(imageData, 0, imageData.Length);
outFormatData.Write(paletteData, 0, paletteData.Length);
}
private void AcquireInfoFromHeader(Stream formatData, out TIM2Segment.TIM2SegmentParameters parameters, out uint dataSize, out uint paletteSize, out uint colorEntries)
{
byte[] fullHeader = new byte[0x30];
formatData.Read(fullHeader, 0, fullHeader.Length);
BinaryReader reader = new BinaryReader(new MemoryStream(fullHeader));
#pragma warning disable 219
uint totalSize = reader.ReadUInt32();
#pragma warning restore 219
paletteSize = reader.ReadUInt32();
dataSize = reader.ReadUInt32();
ushort headerSize = reader.ReadUInt16();
int userDataSize = headerSize - 0x30;
colorEntries = reader.ReadUInt16();
parameters = new TIM2Segment.TIM2SegmentParameters();
parameters.swizzled = swizzled;
parameters.format = reader.ReadByte();
parameters.mipmapCount = reader.ReadByte();
if (parameters.mipmapCount > 1)
{
throw new TextureFormatException("Mipmapped images not supported yet!");
}
byte clutFormat = reader.ReadByte();
byte depth = reader.ReadByte();
switch (depth)
{
case 01:
parameters.bpp = 16;
break;
case 02:
parameters.bpp = 24;
break;
case 03:
parameters.bpp = 32;
break;
case 04:
parameters.bpp = 4;
break;
case 05:
parameters.bpp = 8;
break;
default:
throw new TextureFormatException("Illegal bit depth!");
}
parameters.width = reader.ReadUInt16();
parameters.height = reader.ReadUInt16();
parameters.GsTEX0 = reader.ReadBytes(8);
parameters.GsTEX1 = reader.ReadBytes(8);
parameters.GsRegs = reader.ReadUInt32();
parameters.GsTexClut = reader.ReadUInt32();
reader.Close();
parameters.linearPalette = (clutFormat & 0x80) != 0;
clutFormat &= 0x7F;
parameters.colorSize = parameters.bpp > 8 ? parameters.bpp / 8 : (clutFormat & 0x07) + 1;
if (userDataSize > 0)
{
byte[] data = new byte[userDataSize];
formatData.Read(data, 0, userDataSize);
parameters.userdata = data;
}
}
