public void Activate()
{
_device.ChannelMessageReceived += _device_ChannelMessageReceived;
_device.StartRecording();
_activeNotes = new MidiNote[0];
_activeControl = new MidiNote[0];
isActive = true;
}
private void _device_ChannelMessageReceived(object sender, ChannelMessageEventArgs e)
{
switch (e.Message.Command)
{
//regular note
case ChannelCommand.NoteOn:
var index = FindNote(_activeNotes, e.Message.Data1);
if (index == -1 && e.Message.Data2 != 0)
{
var note = new MidiNote(e.Message.Data1, e.Message.Data2, e.Message.Command);
_activeNotes = AddToList(_activeNotes, note);
_activeNotes[_activeNotes.Length - 1].First = true;
break;
}
if (e.Message.Data2 == 0)
{
_activeNotes[index].Last = true;
}
break;
//use existing note id and change it to the new value
/*Note: Launchpad pro(and other types of polypressure supported devices) has a special poly pressure mode that is more sensitive,
* DO NOT CHOOSE THAT OPTION! it uses data 1 for pressure values instead of data 2 and completely f***s up the program structure.
* Use at your own risk.*/
case ChannelCommand.PolyPressure:
var ind = FindNote(_activeNotes, e.Message.Data1);
//Something went wrong and needs to create a new midinote entry even though poly pressure values are preceded by NoteOn values
//this should never be executed but you never know!
if (ind == -1 && e.Message.Data2 != 0)
{
var note = new MidiNote(e.Message.Data1, e.Message.Data2, e.Message.Command);
_activeNotes = AddToList(_activeNotes, note);
_activeNotes[_activeNotes.Length - 1].First = true;
break;
}
_activeNotes[ind].Value = e.Message.Data2;
break;
//used for sliders, knobs, and, in some cases, notes
case ChannelCommand.Controller:
var place = FindNote(_activeControl, e.Message.Data1);
if (place == -1)
{
var note = new MidiNote(e.Message.Data1, e.Message.Data2, e.Message.Command);
_activeControl = AddToList(_activeControl, note);
_activeControl[_activeControl.Length - 1].First = true;
break;
}
_activeControl[place].Value = e.Message.Data2;
break;
}
}
static MidiNote[] AddToList(MidiNote[] list, MidiNote entry)
{
var res = new MidiNote[list.Length + 1];
for (int i = 0; i < list.Length; i++)
{
res[i] = list[i];
}
res[list.Length] = entry;
return(res);
}
