public void ControllerEventHandler(XInput.GamepadEx state)
{
var newState = ProcessState(state);
if (lastState == null)
{
lastState = newState;
return;
}
if (state.wButtons.HasFlag(XInput.Buttons.A))
{
OnControlChange?.Invoke(Channel.Channel1, Control.AllNotesOff, 0);
}
for (int i = 0; i < 6; i++)
{
if (lastState.Velocities[i] != newState.Velocities[i])
{
newPitches[i] = (byte)(newState.Frets[i] + StandardTuning[i]);
OnNoteOff?.Invoke(Channel.Channel1, (Pitch)lastPitches[i]);
OnNoteOn?.Invoke(Channel.Channel1, (Pitch)newPitches[i], newState.Velocities[i]);
}
}
// swap note buffers
var temp = lastPitches;
lastPitches = newPitches;
newPitches = temp;
// swap guitar state
lastState = newState;
}
public MidiDevice(MidiIn midiInput, OnNoteOn onNoteOnListener, OnNoteOff onNoteOffListener)
{
_midiInput = midiInput;
_onNoteOnListener = onNoteOnListener;
_onNoteOffListener = onNoteOffListener;
_midiInput.MessageReceived += OnMidiMessage;
_midiInput.ErrorReceived += OnMidiError;
_midiInput.Start();
}
void SendMessages(bool[] newKeys, bool sustain, byte[] velocities)
{
int newVelocityStart = 0;
int finalVelocity = 0;
for (int i = 0; i < 5; i++)
{
if (velocities[i] != 0)
{
finalVelocity = i;
if (velocityState[i] == velocities[i])
{
newVelocityStart = i + 1;
}
}
velocityState[i] = velocities[i];
}
for (int i = 0; i < 25; i++)
{
var pitch = (Midi.Enums.Pitch)(i + offset);
if (newKeys[i] && (0 == keyState[i]))
{
OnNoteOn?.Invoke(Channel, pitch, velocities[Math.Min(newVelocityStart, finalVelocity)]);
keyState[i] = velocities[Math.Min(newVelocityStart, finalVelocity)];
newVelocityStart++;
}
else if (!newKeys[i] && (0 != keyState[i]))
{
OnNoteOff?.Invoke(Channel, pitch);
keyState[i] = 0;
}
}
if (sustain && !sustainState)
{
OnControlChange?.Invoke(Channel, Midi.Enums.Control.SustainPedal, 127);
}
else if (!sustain && sustainState)
{
OnControlChange?.Invoke(Channel, Midi.Enums.Control.SustainPedal, 0);
}
}
void SendMessages(Drums newState, XInput.GamepadEx state)
{
foreach (Drums d in Enum.GetValues(typeof(Drums)))
{
var note = DrumNoteMap[d](newState);
if (newState.HasFlag(d) && !drumState.HasFlag(d))
{
var velocity = VelocityFunctions[d](state);
if (velocity > 127)
{
velocity = 127;
}
if (velocity < 32)
{
velocity = 32;
}
OnNoteOn?.Invoke(Channel, (Midi.Enums.Pitch)note, velocity);
}
else if (!newState.HasFlag(d) && drumState.HasFlag(d))
{
OnNoteOff?.Invoke(Channel, (Midi.Enums.Pitch)note);
}
}
}
private void NoteOn(NoteEventArgs noteEventArgs)
{
_pressedNotes.Add(noteEventArgs.NoteAbsolute);
OnNoteOn?.Invoke(this, noteEventArgs);
}
public void NotePressedFromUI(NoteEventArgs noteEventArgs)
{
OnNoteOn?.Invoke(this, noteEventArgs);
}
