public void SetInstrumentPlugin(VstInstrumentPlugin plugin)
{
mIgnoreEvents = true;
mActiveNotes.Clear();
mInstrumentPlugin = plugin;
nudTranspose.Value = mInstrumentPlugin.Transpose;
rbtnControlPedalEffect.Checked = mInstrumentPlugin.ExpressionPedalFunction == ExpressionPedalFunction.EffectControl;
cbExpressionInvert.Checked = mInstrumentPlugin.ExpressionPedalInvert;
rbtnControlPedalVolume.Checked = mInstrumentPlugin.ExpressionPedalFunction == ExpressionPedalFunction.VolumeControl;
rbtnControlPedalNone.Checked = mInstrumentPlugin.ExpressionPedalFunction == ExpressionPedalFunction.None;
cbNoteDrop.Checked = mInstrumentPlugin.NoteDrop;
comboNoteDropDelay.Enabled = mInstrumentPlugin.NoteDrop;
comboNoteDropDelay.SelectedIndex = mInstrumentPlugin.NoteDropDelayIndex;
cbSustain.Checked = mInstrumentPlugin.SustainEnabled;
// Set keys according to channel info
if (mInstrumentPlugin.KeyZoneActive)
{
if (mInstrumentPlugin.KeyZoneLower > Piano.LowestKeyNumer)
{
pianoControl1.TurnRangeKeysOff(Piano.LowestKeyNumer, mInstrumentPlugin.KeyZoneLower - 1);
}
pianoControl1.TurnRangeKeysOn(mInstrumentPlugin.KeyZoneLower, mInstrumentPlugin.KeyZoneUpper);
if (mInstrumentPlugin.KeyZoneUpper < Piano.HighestKeyNumer)
{
pianoControl1.TurnRangeKeysOff(mInstrumentPlugin.KeyZoneUpper + 1, Piano.HighestKeyNumer);
}
}
else
{
pianoControl1.TurnAllKeysOff();
}
mIgnoreEvents = false;
}
private VstEvent[] filterMidiInMessages(int midiInCount, VstInstrumentPlugin plugin)
{
//bool active, int lowerNote, int upperNote, int transpose, ControlPedalAction pedal)
//, ch.KeyZoneLower, ch.KeyZoneUpper, ch.Transpose, ch.ControlPedalAction
int pitch;
mFilteredMidiEvents.Clear();
bool wrongChannel = false;
for (int i = 0; i < midiInCount; i++)
{
MidiMessage msg = mMidiInMessages[i];
wrongChannel = ((msg.Channel + 1) != (int)plugin.MidiChannel) && (plugin.MidiChannel != MidiChannel.ChannelAll);
// Add note to selection
// Copy event
byte[] data = new byte[4];
msg.Data.CopyTo(data, 0);
VstMidiEvent newEv = new VstMidiEvent(
/*DeltaFrames*/ 0,
/*NoteLength*/ 0,
/*NoteOffset*/ 0,
data,
/*Detune*/ 0,
/*NoteOffVelocity*/ 127);
// Force to midi channel 1 = 0xn0
data[0] = (byte)(data[0] & 0xf0);
if (data[0] == 176 && data[1] == 11)
{
switch (plugin.ExpressionPedalFunction)
{
case ExpressionPedalFunction.EffectControl:
// Re-route foot control to wheel!
data[1] = 1;
if (plugin.UseExtendedEffectRange)
{
int wheel = data[2] * 2;
if (wheel > 255)
{
wheel = 255;
}
// Most plugins use an inverted direction. So default is to invert.
// If ExpressionPedalInvert; do not invert data
if (plugin.ExpressionPedalInvert)
{
data[2] = (byte)wheel;
}
else
{
data[2] = (byte)(255 - wheel);
}
}
else
{
// Most plugins use an inverted direction. So default is to invert.
// If ExpressionPedalInvert; do not invert data
if (!plugin.ExpressionPedalInvert)
{
data[2] = (byte)(127 - data[2]);
}
}
break;
case ExpressionPedalFunction.VolumeControl:
// Do nothing;
break;
case ExpressionPedalFunction.None:
// Next for; do not handle this midi command
continue;
default:
// Do nothing
break;
}
}
if (msg.IsNoteOn(out pitch))
{
// Note-on event
if (wrongChannel || (plugin.State != PluginState.Activated || plugin.KeyZoneActive && (pitch < plugin.KeyZoneLower || pitch > plugin.KeyZoneUpper)))
{
// Ignore note-on
continue;
}
plugin.Notes[pitch].Pressed = true;
plugin.Notes[pitch].Velocity = data[2];
newEv.Data[1] += (byte)plugin.Transpose;
mFilteredMidiEvents.Add(newEv);
}
else if (msg.IsNoteOff(out pitch))
{
// Note-off event
if (wrongChannel || (plugin.KeyZoneActive && (pitch < plugin.KeyZoneLower || pitch > plugin.KeyZoneUpper)))
{
// Ignore note-off
continue;
}
newEv.Data[1] += (byte)plugin.Transpose;
if (plugin.Notes[pitch].PressedTime >= plugin.NoteDropDelay)
{
// Also send note-off message for note-dropped note
byte[] noteOffData = new byte[4];
noteOffData[0] = 128;
noteOffData[1] = (byte)(pitch - 12);
noteOffData[2] = plugin.Notes[pitch].Velocity;
noteOffData[3] = 112;
VstMidiEvent noteOffEvent = new VstMidiEvent(
/*DeltaFrames*/ 0,
/*NoteLength*/ 0,
/*NoteOffset*/ 0,
noteOffData,
/*Detune*/ 0,
/*NoteOffVelocity*/ 127);
mFilteredMidiEvents.Add(noteOffEvent);
}
plugin.Notes[pitch].Pressed = false;
mFilteredMidiEvents.Add(newEv);
}
else if (msg.IsSustain())
{
if (plugin.SustainEnabled)
{
mFilteredMidiEvents.Add(newEv);
}
continue;
}
else
{
// All other events
mFilteredMidiEvents.Add(newEv);
}
}
// Process note on times; for now only required when NoteDrop = true
if (plugin.NoteDrop)
{
for (int i = 0; i < 255; i++)
{
if (plugin.Notes[i].Pressed)
{
plugin.Notes[i].PressedTime++;
if (plugin.Notes[i].PressedTime == plugin.NoteDropDelay)
{
byte[] noteDropData = new byte[4];
noteDropData[0] = 144;
noteDropData[1] = (byte)(i - 12);
noteDropData[2] = plugin.Notes[i].Velocity;
noteDropData[3] = 112;
VstMidiEvent newEv = new VstMidiEvent(
/*DeltaFrames*/ 0,
/*NoteLength*/ 0,
/*NoteOffset*/ 0,
noteDropData,
/*Detune*/ 0,
/*NoteOffVelocity*/ 127);
mFilteredMidiEvents.Add(newEv);
}
}
}
}
return(mFilteredMidiEvents.ToArray());
}
