public void Execute(ref ExecuteContext <Parameters, Providers> context)
{
if (context.Outputs.Count != 3)
{
return;
}
SampleBuffer gatesOutput = context.Outputs.GetSampleBuffer(0);
var gatesOutputBuffer = gatesOutput.Buffer;
SampleBuffer notesOutput = context.Outputs.GetSampleBuffer(1);
var notesOutputBuffer = notesOutput.Buffer;
SampleBuffer triggerOutput = context.Outputs.GetSampleBuffer(2);
var triggerOutputBuffer = triggerOutput.Buffer;
while (true)
{
ulong data = DequeueIncomingData();
if (data == 0)
{
break;
}
MidiJack.MidiMessage message = new MidiJack.MidiMessage(data);
ProcessMessage(message);
}
float sampleDuration = 1.0f / context.SampleRate;
int samplesCount = gatesOutput.Samples;
for (int s = 0; s < samplesCount; ++s)
{
for (int c = 0; c < math.min(16, gatesOutput.Channels); ++c)
{
gatesOutputBuffer[s * gatesOutput.Channels + c] = _Gates[c] ? 1.0f : 0.0f;
}
for (int c = 0; c < math.min(16, notesOutput.Channels); ++c)
{
notesOutputBuffer[s * notesOutput.Channels + c] = (_Notes[c] - 60f) / 12f;
}
for (int c = 0; c < math.min(16, triggerOutput.Channels); ++c)
{
unsafe
{
PulseGenerator *retrigger = (PulseGenerator *)((byte *)_Retrigger.GetUnsafePtr() + UnsafeUtility.SizeOf <PulseGenerator>() * c);
triggerOutputBuffer[s * triggerOutput.Channels + c] = retrigger->Process(sampleDuration) ? 1.0f : 0.0f;
}
}
}
}
void PressNote(byte note, int channel)
{
int index = -1;
for (int i = 0; i < _HeldNotesCount; ++i)
{
if (_HeldNotes[i] == note)
{
index = i;
break;
}
}
if (index >= 0)
{
if (_HeldNotesCount == 1)
{
_HeldNotesCount = 0;
}
else
{
--_HeldNotesCount;
_HeldNotes[index] = _HeldNotes[_HeldNotesCount];
}
}
//Debug.Log("pressing note " + note + " at channel " + channel);
_HeldNotes[_HeldNotesCount] = note;
++_HeldNotesCount;
_Notes[channel] = note;
_Gates[channel] = true;
unsafe
{
PulseGenerator *retrigger = (PulseGenerator *)((byte *)_Retrigger.GetUnsafePtr() + UnsafeUtility.SizeOf <PulseGenerator>() * channel);
retrigger->Trigger();
}
}
