public static STim Decode4(byte[] picbin, byte[] palbin, int tbw, int cx, int cy)
{
Bitmap pic = new Bitmap(cx, cy, global::System.Drawing.Imaging.PixelFormat.Format4bppIndexed);
tbw /= 2;
XDebug.Assert(tbw != 0, "Invalid");
byte[] bin = OpenKh.Kh2.Ps2.Decode4(picbin, tbw, Math.Max(1, picbin.Length / 8192 / tbw));
BitmapData bd = pic.LockBits(Rectangle.FromLTRB(0, 0, pic.Width, pic.Height), ImageLockMode.WriteOnly, global::System.Drawing.Imaging.PixelFormat.Format4bppIndexed);
try
{
int buffSize = bd.Stride * bd.Height;
global::System.Runtime.InteropServices.Marshal.Copy(bin, 0, bd.Scan0, Math.Min(bin.Length, buffSize));
}
finally
{
pic.UnlockBits(bd);
}
ColorPalette pals = pic.Palette;
int psi = 0;
for (int pi = 0; pi < 16; pi++)
{
pals.Entries[pi] = CUtil.Gamma(Color.FromArgb(
AcUt.GetA(palbin[psi + 4 * pi + 3]),
palbin[psi + 4 * pi + 0],
palbin[psi + 4 * pi + 1],
palbin[psi + 4 * pi + 2]
), γ);
}
pic.Palette = pals;
return(new STim(pic));
}
public void Do1(Stream si)
{
BinaryReader br = new BinaryReader(si);
UInt64 cm;
UInt64 r50 = br.ReadUInt64(); cm = br.ReadUInt64(); XDebug.Assert(0x50 == cm, cm.ToString("X16") + " ≠ 0x50"); // 0x50 BITBLTBUF
int SBP = ((int)(r50)) & 0x3FFF;
int SBW = ((int)(r50 >> 16)) & 0x3F;
int SPSM = ((int)(r50 >> 24)) & 0x3F;
int DBP = ((int)(r50 >> 32)) & 0x3FFF;
int DBW = ((int)(r50 >> 48)) & 0x3F;
int DPSM = ((int)(r50 >> 56)) & 0x3F;
XTrace.Assert(SBP == 0);
XTrace.Assert(SBW == 0);
XTrace.Assert(SPSM == 0);
XTrace.Assert(DPSM == 0 || DPSM == 19 || DPSM == 20);
UInt64 r51 = br.ReadUInt64(); cm = br.ReadUInt64(); XDebug.Assert(0x51 == cm, cm.ToString("X16") + " ≠ 0x51"); // 0x51 TRXPOS
int SSAX = ((int)(r51)) & 0x7FF;
int SSAY = ((int)(r51 >> 16)) & 0x7FF;
int DSAX = ((int)(r51 >> 32)) & 0x7FF;
int DSAY = ((int)(r51 >> 48)) & 0x7FF;
int DIR = ((int)(r51 >> 59)) & 3;
XTrace.Assert(SSAX == 0);
XTrace.Assert(SSAY == 0); //!
XTrace.Assert(DSAX == 0); //!
XTrace.Assert(DSAY == 0); //!
XTrace.Assert(DIR == 0); //!
UInt64 r52 = br.ReadUInt64(); cm = br.ReadUInt64(); XDebug.Assert(0x52 == cm, cm.ToString("X16") + " ≠ 0x52"); // 0x52 TRXREG
int RRW = ((int)(r52 >> 0)) & 0xFFF;
int RRH = ((int)(r52 >> 32)) & 0xFFF;
UInt64 r53 = br.ReadUInt64(); cm = br.ReadUInt64(); XDebug.Assert(0x53 == cm, cm.ToString("X16") + " ≠ 0x53"); // 0x53 TRXDIR
int XDIR = ((int)(r53)) & 2;
XTrace.Assert(XDIR == 0);
int eop = br.ReadUInt16();
XTrace.Assert(8 != (eop & 0x8000));
si.Position += 18;
offBin = br.ReadInt32();
int cbTex = (eop & 0x7FFF) << 4;
int MyDBH = cbTex / 8192 / DBW;
{
byte[] binTmp = new byte[Math.Max(8192, cbTex)]; // decoder needs at least 8kb
si.Position = offBin;
si.Read(binTmp, 0, cbTex);
byte[] binDec;
if (DPSM == 0)
{
binDec = OpenKh.Kh2.Ps2.Encode32(binTmp, DBW, MyDBH);
}
else if (DPSM == 19)
{
binDec = OpenKh.Kh2.Ps2.Encode8(binTmp, DBW / 2, cbTex / 8192 / (DBW / 2));
}
else if (DPSM == 20)
{
binDec = OpenKh.Kh2.Ps2.Encode4(binTmp, DBW / 2, cbTex / 8192 / Math.Max(1, DBW / 2));
}
else
{
throw new NotSupportedException("DPSM = " + DPSM + "?");
}
Array.Copy(binDec, 0, gs, 256 * DBP, cbTex);
}
XDebug.WriteLine(string.Format("# p1 {0:x4} {1,6} {2}", DBP, cbTex, DPSM));
}