private static Bitmap getImage(BinaryReader br, ref byte[] imgData, byte[] palData, long palOffs, parsedImgData info)
{
#if TRACE
Trace.Assert(br.ReadUInt64() == 0x3fL);
br.BaseStream.Position += 8;
Trace.Assert(br.ReadUInt64() == 0x34L);
br.BaseStream.Position += 8;
Trace.Assert(br.ReadUInt64() == 0x36L);
ulong num = br.ReadUInt64();
Trace.Assert(br.ReadUInt64() == 0x16L);
Trace.Assert(((num >> 20) & 0x3f) == 0x13);
Trace.Assert(((num >> 0x33) & 15) == 0);
Trace.Assert(((num >> 0x37) & 1) == 0);
Trace.Assert(((num >> 0x38) & 0x1f) == 0);
Trace.Assert(((num >> 0x3d) & 7) == 4);
br.BaseStream.Position += 8;
Trace.Assert(br.ReadUInt64() == 0x14L);
#else
br.BaseStream.Position += 8 + 16 + 16 + 16 + 16;
#endif
num = br.ReadUInt64();
#if TRACE
Trace.Assert(br.ReadUInt64() == 0x06L);
Trace.Assert(((num >> 0x22) & 1) == 1);
Trace.Assert(((num >> 0x33) & 15) == 0);
Trace.Assert(((num >> 0x37) & 1) == 0);
Trace.Assert(((num >> 0x3d) & 7) == 0);
br.BaseStream.Position += 8;
Trace.Assert(br.ReadUInt64() == 8L);
#else
//br.BaseStream.Position += 8 + 16;
#endif
info.type = (uint)(num >> 20) & 0x3fu;
if (info.type != 19 && info.type != 20)
{
throw new NotSupportedException("Unknown t0PSM: " + info.type);
}
info.palOffs = (256 * ((uint)(num >> 0x25) & 0x3FFFu)) - palOffs;
info.width = (ushort)(1u << ((int)(num >> 0x1A) & 0x0F));
info.height = (ushort)(1u << ((int)(num >> 0x1E) & 0x0F));
info.palCs = (byte)((uint)(num >> 0x38) & 0x1Fu);
byte[] palette = new byte[1024];
if (info.palOffs < 0)
{
throw new NotSupportedException("Image palette located before block address.");
}
if (info.palOffs + palette.Length > palData.Length)
{
throw new NotSupportedException("Image palette located after block address.");
}
Array.Copy(palData, info.palOffs, palette, 0, palette.Length);
int size = info.width * info.height;
if (info.type == 20)
{
size /= 2;
}
if (imgData.Length < size)
{
Debug.WriteLine("Expected size = " + size + "; got = " + imgData.Length);
Array.Resize <byte>(ref imgData, size);
}
return(TexUt2.Decode(imgData, palette, info.type, info.width, info.height, info.palCs));
}
