void SynthesizeChannel(ChannelState& dst, AYM::ChannelBuilder& channel, AYM::TrackBuilder& track)
{
const Ornament::Line& curOrnamentLine = *dst.OrnamentIterator.GetLine();
const int_t noteAddon = dst.NoteAccumulator.Update(curOrnamentLine.NoteAddon, curOrnamentLine.KeepNoteAddon);
const int_t noiseAddon = dst.NoiseAccumulator.Update(curOrnamentLine.NoiseAddon, curOrnamentLine.KeepNoiseAddon);
dst.OrnamentIterator.Next();
if (const Sample::Line* curSampleLine = dst.SampleIterator.GetLine())
{
//apply noise
const int_t sampleNoiseAddon = dst.SampleNoiseAccumulator.Update(curSampleLine->Noise, curSampleLine->AccumulateNoise);
if (curSampleLine->NoiseMask)
{
channel.DisableNoise();
}
else
{
track.SetNoise(dst.Noise + noiseAddon + sampleNoiseAddon);
}
//apply tone
dst.ToneAddon = dst.ToneAccumulator.Update(curSampleLine->Tone, curSampleLine->AccumulateTone);
if (curSampleLine->ToneMask)
{
channel.DisableTone();
}
//apply level
dst.VolumeSlide += curSampleLine->VolSlide;
const int_t volume = Math::Clamp<int_t>(curSampleLine->Level + dst.VolumeSlide, 0, 15);
const uint_t level = ((dst.Volume * 17 + (dst.Volume > 7)) * volume + 128) / 256;
channel.SetLevel(level);
const uint_t envelope = dst.EnvelopeAccumulator.Update(curSampleLine->EnvelopeAddon, curSampleLine->AccumulateEnvelope);
if (curSampleLine->EnableEnvelope && dst.EnvelopeEnabled)
{
channel.EnableEnvelope();
track.SetEnvelopeTone(dst.Envelope - envelope);
}
dst.SampleIterator.Next();
}
else
{
channel.SetLevel(0);
channel.DisableTone();
channel.DisableNoise();
}
channel.SetTone(dst.Note + noteAddon, dst.ToneAddon + dst.ToneSlide.Update());
}
void SynthesizeChannel(ChannelState& dst, AYM::ChannelBuilder& channel, AYM::TrackBuilder& track)
{
if (!dst.Enabled)
{
channel.SetLevel(0);
return;
}
const Sample& curSample = Data->Samples.Get(dst.CurrentSampleNum);
const Sample::Line& curSampleLine = curSample.GetLine(dst.PosInSample);
const Ornament& curOrnament = Data->Ornaments.Get(dst.CurrentOrnamentNum);
const Ornament::Line& curOrnamentLine = curOrnament.GetLine(dst.PosInOrnament);
//calculate volume addon
if (dst.VolSlideCounter >= 2)
{
dst.VolSlideCounter--;
}
else if (dst.VolSlideCounter)
{
dst.VolumeAddon += dst.VolSlideAddon;
dst.VolSlideCounter = dst.VolSlideDelay;
}
dst.VolumeAddon += curSampleLine.VolSlide;
dst.VolumeAddon = Math::Clamp<int_t>(dst.VolumeAddon, -15, 15);
//calculate tone
dst.ToneDeviation += curSampleLine.ToneDeviation;
dst.NoteAddon += curOrnamentLine.NoteAddon;
const int_t halfTone = int_t(dst.Note) + dst.NoteAddon;
const int_t toneAddon = dst.ToneDeviation + dst.Sliding / 16;
//apply tone
channel.SetTone(halfTone, toneAddon);
//apply level
channel.SetLevel((dst.Volume + 1) * Math::Clamp<int_t>(dst.VolumeAddon + curSampleLine.Level, 0, 15) / 16);
//apply envelope
if (dst.Envelope && curSampleLine.EnableEnvelope)
{
channel.EnableEnvelope();
}
//calculate noise
dst.CurrentNoise += curOrnamentLine.NoiseAddon;
//mixer
if (curSampleLine.ToneMask)
{
channel.DisableTone();
}
if (curSampleLine.NoiseMask && curSampleLine.EnableEnvelope)
{
EnvelopeTone += curSampleLine.Adding;
track.SetEnvelopeTone(EnvelopeTone);
}
else
{
dst.CurrentNoise += curSampleLine.Adding;
}
if (!curSampleLine.NoiseMask)
{
track.SetNoise((dst.CurrentNoise + dst.Sliding / 256) & 0x1f);
}
else
{
channel.DisableNoise();
}
//recalc positions
if (dst.SlidingSteps != 0)
{
if (dst.SlidingSteps > 0)
{
if (!--dst.SlidingSteps &&
LIMITER != dst.SlidingTargetNote) //finish slide to note
{
dst.Note = dst.SlidingTargetNote;
dst.SlidingTargetNote = LIMITER;
dst.Sliding = dst.Glissade = 0;
}
}
dst.Sliding += dst.Glissade;
}
if (dst.PosInSample++ >= curSample.GetLoopLimit())
{
if (!dst.BreakSample)
{
dst.PosInSample = curSample.GetLoop();
}
else if (dst.PosInSample >= curSample.GetSize())
{
dst.Enabled = false;
}
}
if (dst.PosInOrnament++ >= curOrnament.GetLoopLimit())
{
dst.PosInOrnament = curOrnament.GetLoop();
}
}
void GetNewChannelState(const Cell& src, ChannelState& dst, AYM::TrackBuilder& track)
{
if (const bool* enabled = src.GetEnabled())
{
dst.Enabled = *enabled;
}
dst.VolSlideCounter = 0;
dst.SlidingSteps = 0;
bool contSample = false, contOrnament = false;
bool reloadNote = false;
for (CommandsIterator it = src.GetCommands(); it; ++it)
{
switch (it->Type)
{
case ENVELOPE:
if (-1 != it->Param1)
{
track.SetEnvelopeType(it->Param1);
}
if (-1 != it->Param2)
{
EnvelopeTone = it->Param2;
track.SetEnvelopeTone(EnvelopeTone);
}
break;
case ENVELOPE_ON:
dst.Envelope = true;
break;
case ENVELOPE_OFF:
dst.Envelope = false;
break;
case NOISE:
dst.BaseNoise = it->Param1;
break;
case CONT_SAMPLE:
contSample = true;
break;
case CONT_ORNAMENT:
contOrnament = true;
break;
case GLISS:
dst.Glissade = it->Param1;
dst.SlidingSteps = -1;//infinite sliding
break;
case SLIDE:
{
dst.SlidingSteps = it->Param1;
const int_t newSliding = (dst.Sliding | 0xf) ^ 0xf;
dst.Glissade = -newSliding / (dst.SlidingSteps ? dst.SlidingSteps : 1);
dst.Sliding = dst.Glissade * dst.SlidingSteps;
break;
}
case SLIDE_NOTE:
{
dst.SlidingSteps = it->Param1;
dst.SlidingTargetNote = it->Param2;
const int_t absoluteSliding = track.GetSlidingDifference(dst.Note, dst.SlidingTargetNote);
const int_t newSliding = absoluteSliding - (contSample ? dst.Sliding / 16 : 0);
dst.Glissade = 16 * newSliding / (dst.SlidingSteps ? dst.SlidingSteps : 1);
reloadNote = true;
break;
}
case AMPLITUDE_SLIDE:
dst.VolSlideCounter = dst.VolSlideDelay = it->Param1;
dst.VolSlideAddon = it->Param2;
break;
case BREAK_SAMPLE:
dst.BreakSample = true;
break;
default:
assert(!"Invalid cmd");
break;
}
}
if (const uint_t* ornament = src.GetOrnament())
{
dst.OrnamentNum = *ornament;
}
if (const uint_t* sample = src.GetSample())
{
dst.SampleNum = *sample;
}
if (const uint_t* note = src.GetNote())
{
dst.Note = *note;
reloadNote = true;
}
if (reloadNote)
{
dst.CurrentNoise = dst.BaseNoise;
if (dst.SlidingSteps <= 0)
{
dst.Sliding = 0;
}
if (!contSample)
{
dst.CurrentSampleNum = dst.SampleNum;
dst.PosInSample = 0;
dst.VolumeAddon = 0;
dst.ToneDeviation = 0;
dst.BreakSample = false;
}
if (!contOrnament)
{
dst.CurrentOrnamentNum = dst.OrnamentNum;
dst.PosInOrnament = 0;
dst.NoteAddon = 0;
}
}
if (const uint_t* volume = src.GetVolume())
{
dst.Volume = *volume;
}
}
void GetNewChannelState(const Cell& src, ChannelState& dst, AYM::TrackBuilder& track)
{
if (const bool* enabled = src.GetEnabled())
{
dst.Enabled = *enabled;
if (!dst.Enabled)
{
dst.Sliding = dst.Glissade = 0;
dst.SlidingTargetNote = LIMITER;
}
dst.PosInSample = dst.PosInOrnament = 0;
}
if (const uint_t* note = src.GetNote())
{
assert(src.GetEnabled());
dst.Note = *note;
dst.Sliding = dst.Glissade = 0;
dst.SlidingTargetNote = LIMITER;
}
if (const uint_t* sample = src.GetSample())
{
dst.SampleNum = *sample;
dst.PosInSample = 0;
}
if (const uint_t* ornament = src.GetOrnament())
{
dst.OrnamentNum = *ornament;
dst.PosInOrnament = 0;
}
if (const uint_t* volume = src.GetVolume())
{
dst.Volume = *volume;
}
for (CommandsIterator it = src.GetCommands(); it; ++it)
{
switch (it->Type)
{
case ENVELOPE:
track.SetEnvelopeType(it->Param1);
track.SetEnvelopeTone(it->Param2);
dst.Envelope = true;
break;
case NOENVELOPE:
dst.Envelope = false;
break;
case NOISE_ADD:
dst.NoiseAdd = it->Param1;
break;
case GLISS_NOTE:
dst.Sliding = 0;
dst.Glissade = it->Param1;
dst.SlidingTargetNote = it->Param2;
break;
case GLISS:
dst.Glissade = it->Param1;
dst.SlidingTargetNote = LIMITER;
break;
case NOGLISS:
dst.Glissade = 0;
break;
default:
assert(!"Invalid command");
}
}
}