public override void load(Stream stream)
{
aBinaryReader reader = new aBinaryReader(stream, Endianness.Big);
mFormat = (gxTextureFormat)reader.Read8(); // 0000
mTransparency = reader.Read8(); // 0001
mWidth = reader.Read16(); // 0002
mHeight = reader.Read16(); // 0004
mWrapS = (gxWrapMode)reader.Read8(); // 0006
mWrapT = (gxWrapMode)reader.Read8(); // 0007
reader.Step(1); // 0008 (0001)
mTlutFormat = (gxTlutFormat)reader.Read8(); // 0009
int tlutentrycount = reader.Read16(); // 000A
long tlutoffset = reader.Read32(); // 000C
mMipMap = (reader.Read8() != 0); // 0010
mEdgeLOD = (reader.Read8() != 0); // 0011
mBiasClamp = (reader.Read8() != 0); // 0012
mMaxAniso = (gxAnisotropy)reader.Read8(); // 0013
mMinFilter = (gxTextureFilter)reader.Read8(); // 0014
mMagFilter = (gxTextureFilter)reader.Read8(); // 0015
mMinLod = reader.ReadS8(); // 0016
mMaxLod = reader.ReadS8(); // 0017
mImageCount = reader.Read8(); // 0018 (0001)
mLodBias = reader.ReadS16(); // 001A
long texoffset = reader.Read32(); // 001C
loadImageData(reader, texoffset);
if (tlutentrycount > 0)
{
loadPaletteData(reader, tlutentrycount, tlutoffset);
}
}
protected override void CalculateHistoryAdpcm2(int sample, out int last, out int penult)
{
last = 0;
penult = 0;
var frame = (sample / 16);
if (frame == 0)
{
return;
}
switch (mFormat)
{
case WaveFormat.Pcm8: {
var adpcm2 = new byte[5];
var pcm16 = new short[16];
int _last = 0, _penult = 0;
mReader.Goto(0);
for (var i = 0; i < frame; ++i)
{
for (var j = 0; j < 16; ++j)
{
pcm16[j] = 0;
if ((i * 16 + j) < mSampleCount)
{
Waveform.Pcm8toPcm16(mReader.ReadS8(), out pcm16[j]);
}
}
Waveform.Pcm16toAdpcm2(pcm16, adpcm2, ref _last, ref _penult);
Waveform.Adpcm2toPcm16(adpcm2, pcm16, ref last, ref penult);
}
break;
}
case WaveFormat.Pcm16: {
var adpcm2 = new byte[5];
var pcm16 = new short[16];
int _last = 0, _penult = 0;
mReader.Goto(0);
for (var i = 0; i < frame; ++i)
{
for (var j = 0; j < 16; ++j)
{
pcm16[j] = 0;
if ((i * 16 + j) < mSampleCount)
{
pcm16[j] = mReader.ReadS16();
}
}
Waveform.Pcm16toAdpcm2(pcm16, adpcm2, ref _last, ref _penult);
Waveform.Adpcm2toPcm16(adpcm2, pcm16, ref last, ref penult);
}
break;
}
case WaveFormat.Adpcm2: {
var pcm16 = new short[16];
mReader.Goto(0);
for (var i = 0; i < frame; ++i)
{
Waveform.Adpcm2toPcm16(mReader.Read8s(5), pcm16, ref last, ref penult);
}
break;
}
case WaveFormat.Adpcm4: {
var adpcm2 = new byte[5];
var pcm16 = new short[16];
int last1 = 0, penult1 = 0;
int last2 = 0, penult2 = 0;
mReader.Goto(0);
for (var i = 0; i < frame; ++i)
{
Waveform.Adpcm4toPcm16(mReader.Read8s(9), pcm16, ref last1, ref penult1);
Waveform.Pcm16toAdpcm2(pcm16, adpcm2, ref last2, ref penult2);
Waveform.Adpcm2toPcm16(adpcm2, pcm16, ref last, ref penult);
}
break;
}
}
}
