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 ProcessMessage(MidiJack.MidiMessage message)
{
var midiStatusCode = message.status >> 4;
var midiChannelNumber = message.status & 0xf;
switch (midiStatusCode)
{
case 0x8:
ReleaseNote(message.data1);
break;
case 0x9:
if (message.data2 > 0)
{
int channel = AssignChannel(message.data1);
PressNote(message.data1, channel);
}
else
{
ReleaseNote(message.data1);
}
break;
case 0xA:
// aftertouch
break;
case 0xB:
// CC (knobs)
break;
case 0xC:
// program change
break;
case 0xD:
// aftertouch
break;
case 0xE:
// pitch wheel
break;
}
}