public static byte[] Save(TDX tdx)
{
byte[] buffer;
using (MemoryStream ms = new MemoryStream())
using (BinaryWriter bw = new BinaryWriter(ms))
{
bw.Write(new byte[] { 0, 2 });
bw.Write((short)tdx.MipMaps[0].Width);
bw.Write((short)tdx.MipMaps[0].Height);
bw.Write((short)tdx.MipMaps.Count);
bw.Write((int)tdx.Flags);
bw.Write((int)tdx.Format);
for (int i = 0; i < tdx.MipMaps.Count; i++)
{
bw.Write(tdx.MipMaps[i].Data);
}
bw.Flush();
ms.Flush();
buffer = ms.ToArray();
}
return(buffer);
}
public static TDX Load(string path)
{
Logger.LogToFile(Logger.LogLevel.Info, "{0}", path);
TDX tdx = new TDX();
using (MemoryStream ms = new MemoryStream(File.ReadAllBytes(path))) { tdx = Load(ms, Path.GetFileNameWithoutExtension(path)); }
return(tdx);
}
public static TDX Load(Stream stream, string name = null)
{
TDX tdx = new TDX {
Name = name
};
using (BinaryReader br = new BinaryReader(stream))
{
if (br.ReadByte() != 0x00 ||
br.ReadByte() != 0x02)
{
Logger.LogToFile(Logger.LogLevel.Error, "This isn't a valid TDX");
return(null);
}
tdx.Width = br.ReadUInt16();
tdx.Height = br.ReadUInt16();
int mipCount = br.ReadUInt16();
tdx.Flags = (TDXFlags)br.ReadUInt32();
tdx.Format = (D3DFormat)br.ReadUInt32();
if (tdx.Flags.HasFlag(TDXFlags.ExtraData))
{
int extraDataLength = (int)br.ReadUInt32();
int extraDataType = br.ReadUInt16();
switch (extraDataType)
{
case 0:
tdx.ExtraDataType = ExtraDataTypes.Font;
tdx.ExtraData = new FontDefinition(br.ReadBytes(extraDataLength - 2));
break;
case 1:
tdx.ExtraDataType = ExtraDataTypes.Animation;
tdx.ExtraData = new AnimationDefinition(br.ReadBytes(extraDataLength - 2));
break;
case 3:
tdx.ExtraDataType = ExtraDataTypes.VTMap;
tdx.ExtraData = new VTMap(br.ReadBytes(extraDataLength - 2));
break;
default:
throw new NotImplementedException($"Unknown Extra Data flag: {extraDataType}");
}
}
for (int i = 0; i < mipCount; i++)
{
MipMap mip = new MipMap()
{
Width = tdx.Width >> i,
Height = tdx.Height >> i
};
switch (tdx.Format)
{
case D3DFormat.PVRTC4:
mip.Data = br.ReadBytes(mip.Width * mip.Height / 2);
break;
case D3DFormat.R4G4B4A4:
case D3DFormat.R5G5B6:
case D3DFormat.R5G6B5:
mip.Data = br.ReadBytes(mip.Width * mip.Height * 2);
break;
case D3DFormat.A8B8G8R8:
mip.Data = br.ReadBytes(mip.Width * mip.Height * 4);
break;
case D3DFormat.A8R8G8B8:
mip.Data = br.ReadBytes(mip.Width * mip.Height * (tdx.Flags.HasFlag(TDXFlags.AlphaNbit) ? 4 : 3));
break;
case D3DFormat.A8:
mip.Data = br.ReadBytes(mip.Width * mip.Height);
break;
case D3DFormat.DXT1:
mip.Data = br.ReadBytes((mip.Width + 3) / 4 * ((mip.Height + 3) / 4) * 8);
break;
case D3DFormat.ATI2:
case D3DFormat.DXT5:
mip.Data = br.ReadBytes((mip.Width + 3) / 4 * ((mip.Height + 3) / 4) * 16);
break;
default:
Logger.LogToFile(Logger.LogLevel.Error, "Unknown format: {0}", tdx.Format);
return(null);
}
tdx.MipMaps.Add(mip);
}
}
return(tdx);
}
public static TDX LoadFromBitmap(Bitmap asset, string name, D3DFormat format)
{
TDX tdx = null;
if (tdx == null)
{
tdx = new TDX();
Bitmap b = asset;
SquishFlags flags = SquishFlags.kDxt1;
tdx.Name = name;
tdx.Format = format;
switch (tdx.Format)
{
case D3DFormat.DXT1:
flags = SquishFlags.kDxt1;
break;
case D3DFormat.DXT5:
flags = SquishFlags.kDxt5;
break;
}
List <Bitmap> mipBitmaps = GenerateMips(b, b.Width, b.Height);
foreach (Bitmap mb in mipBitmaps)
{
MipMap mip = new MipMap()
{
Width = mb.Width,
Height = mb.Height
};
byte[] data = new byte[mb.Width * mb.Height * 4];
byte[] dest = new byte[Squish.Squish.GetStorageRequirements(mb.Width, mb.Height, flags | SquishFlags.kColourIterativeClusterFit | SquishFlags.kWeightColourByAlpha)];
int ii = 0;
for (int y = 0; y < mb.Height; y++)
{
for (int x = 0; x < mb.Width; x++)
{
Color p = mb.GetPixel(x, y);
data[ii + 0] = p.R;
data[ii + 1] = p.G;
data[ii + 2] = p.B;
data[ii + 3] = p.A;
ii += 4;
}
}
if (format == D3DFormat.ATI2)
{
dest = BC5Unorm.Compress(data, (ushort)mb.Width, (ushort)mb.Height, GetMipSize(format, (ushort)mb.Width, (ushort)mb.Height));
}
else
{
Squish.Squish.CompressImage(data, mb.Width, mb.Height, ref dest, flags | SquishFlags.kColourClusterFit);
}
mip.Data = dest;
tdx.MipMaps.Add(mip);
}
}
return(tdx);
}
