// Convert an XMSample to OpenMPT's internal sample representation.
void XMSample::ConvertToMPT(ModSample &mptSmp) const
//--------------------------------------------------
{
mptSmp.Initialize(MOD_TYPE_XM);
// Volume
mptSmp.nVolume = vol * 4;
LimitMax(mptSmp.nVolume, uint16(256));
// Panning
mptSmp.nPan = pan;
mptSmp.uFlags = CHN_PANNING;
// Sample Frequency
mptSmp.nFineTune = finetune;
mptSmp.RelativeTone = relnote;
// Sample Length and Loops
mptSmp.nLength = length;
mptSmp.nLoopStart = loopStart;
mptSmp.nLoopEnd = mptSmp.nLoopStart + loopLength;
if((flags & XMSample::sample16Bit))
{
mptSmp.nLength /= 2;
mptSmp.nLoopStart /= 2;
mptSmp.nLoopEnd /= 2;
}
if((flags & XMSample::sampleStereo))
{
mptSmp.nLength /= 2;
mptSmp.nLoopStart /= 2;
mptSmp.nLoopEnd /= 2;
}
if((flags & (XMSample::sampleLoop | XMSample::sampleBidiLoop)) && mptSmp.nLoopStart < mptSmp.nLength && mptSmp.nLoopEnd > mptSmp.nLoopStart)
{
mptSmp.uFlags.set(CHN_LOOP);
if((flags & XMSample::sampleBidiLoop))
{
mptSmp.uFlags.set(CHN_PINGPONGLOOP);
}
}
mptSmp.SanitizeLoops();
strcpy(mptSmp.filename, "");
}
// Convert an S3M sample header to OpenMPT's internal sample header.
void S3MSampleHeader::ConvertToMPT(ModSample &mptSmp) const
//---------------------------------------------------------
{
mptSmp.Initialize(MOD_TYPE_S3M);
mpt::String::Read<mpt::String::maybeNullTerminated>(mptSmp.filename, filename);
if((sampleType == typePCM || sampleType == typeNone) && !memcmp(magic, "SCRS", 4))
{
// Sample Length and Loops
if(sampleType == typePCM)
{
mptSmp.nLength = length;
mptSmp.nLoopStart = MIN(loopStart, mptSmp.nLength - 1);
mptSmp.nLoopEnd = MIN(loopEnd, mptSmp.nLength);
mptSmp.uFlags.set(CHN_LOOP, (flags & smpLoop) != 0);
}
if(mptSmp.nLoopEnd < 2 || mptSmp.nLoopStart >= mptSmp.nLoopEnd || mptSmp.nLoopEnd - mptSmp.nLoopStart < 1)
{
mptSmp.nLoopStart = mptSmp.nLoopEnd = 0;
mptSmp.uFlags.reset();
}
// Volume / Panning
mptSmp.nVolume = MIN(defaultVolume, 64) * 4;
// C-5 frequency
mptSmp.nC5Speed = c5speed;
if(mptSmp.nC5Speed == 0)
{
mptSmp.nC5Speed = 8363;
} else if(mptSmp.nC5Speed < 1024)
{
mptSmp.nC5Speed = 1024;
}
}
}
