protected override void UpdateNote()
{
patternDelay = 0;
for (int ch = 0; ch < module.numberOfChannels; ch++)
{
MOD_MixerChannel mc = (MOD_MixerChannel)mixChannels[ch];
MOD_PatternChannel pe = (MOD_PatternChannel)pattern.patternRows[(int)currentRow].patternChannels[ch];
mc.patternChannel = pe;
mc.effect = pe.effekt;
mc.effectArg = pe.effektOp;
mc.effectArgX = (mc.effectArg & 0xF0) >> 4;
mc.effectArgY = mc.effectArg & 0x0F;
if (pe.instrumentIndex > 0 && pe.period > 0)
{
mc.instrumentLastIndex = mc.instrumentIndex;
mc.instrumentIndex = pe.instrumentIndex;
ResetChannelInstrument(mc);
mc.channelVolume = module.Instruments[(int)mc.instrumentIndex - 1].volume;
mc.portamentoStart = (int)mc.period;
mc.noteIndex = ModuleConst.GetNoteIndexForPeriod((int)pe.period);
mc.period = GetNoteFreq(mc.noteIndex, mc.currentFineTune);
mc.portamentoEnd = (int)mc.period;
mc.periodInc = CalcClampPeriodIncrement(mc);
}
if (pe.instrumentIndex > 0 && pe.period == 0 && pe.instrumentIndex != mc.instrumentLastIndex)
{
mc.instrumentLastIndex = pe.instrumentIndex;
mc.instrumentIndex = pe.instrumentIndex;
ResetChannelInstrument(mc);
mc.channelVolume = module.Instruments[(int)mc.instrumentIndex - 1].volume;
}
if (pe.instrumentIndex > 0 && pe.period == 0 && pe.instrumentIndex == mc.instrumentLastIndex)
{
mc.channelVolume = module.Instruments[(int)mc.instrumentIndex - 1].volume;
}
if (pe.instrumentIndex == 0 && pe.period > 0)
{
mc.portamentoStart = (int)mc.period;
mc.noteIndex = ModuleConst.GetNoteIndexForPeriod((int)pe.period);
mc.period = GetNoteFreq(mc.noteIndex, mc.currentFineTune);
mc.portamentoEnd = (int)mc.period;
mc.periodInc = CalcClampPeriodIncrement(mc);
ResetChannelInstrument(mc);
}
}
NextRow();
}
private MOD_PatternChannel CreateNewPatternChannel(Stream stream, uint numberOfSamples)
{
MOD_PatternChannel channel = new MOD_PatternChannel();
uint b0 = (uint)stream.ReadByte();
uint b1 = (uint)stream.ReadByte();
uint b2 = (uint)stream.ReadByte();
uint b3 = (uint)stream.ReadByte();
channel.instrumentIndex = (byte)(((b0 & 0xF0) | ((b2 & 0xF0) >> 4)) & numberOfSamples);
channel.period = (uint)(((b0 & 0x0F) << 8) | b1);
if (channel.period > 0)
{
channel.noteIndex = ModuleConst.GetNoteIndexForPeriod((int)channel.period);
}
channel.effekt = b2 & 0x0F;
channel.effektOp = b3;
return(channel);
}
