//- event handling ------------------------------------------------------------
//add new event to track positioned by tick
public void addEvent(Event evt, int tick)
{
evt.setTick(tick);
events.Add(evt);
if ((evt is MessageEvent) && (((MessageEvent)evt).msg is NoteOnMessage))
{
NoteOnMessage noteOn = (NoteOnMessage)((MessageEvent)evt).msg;
hiNote = (noteOn.noteNumber > hiNote) ? noteOn.noteNumber : hiNote;
loNote = (noteOn.noteNumber < loNote) ? noteOn.noteNumber : loNote;
}
if (tick > length)
{
length = tick;
if (length > seq.length)
{
seq.length = length;
}
}
seq.meterMap.tickToBeat(tick, out evt.measure, out evt.beat);
if ((evt.measure + 1) > measures)
{
measures = evt.measure + 1;
if (measures > seq.measures)
{
seq.measures = measures;
}
}
}
public static Message getChannelMessage(int msgtype, int channel, int b1, int b2)
{
Message msg = null;
switch (msgtype)
{
case 0x8:
msg = new NoteOffMessage(channel, b1, b2);
break;
case 0x9:
msg = new NoteOnMessage(channel, b1, b2);
break;
case 0xa:
msg = new AftertouchMessage(channel, b1, b2);
break;
case 0xb:
msg = new ControllerMessage(channel, b1, b2);
break;
case 0xc:
msg = new PatchChangeMessage(channel, b1);
break;
case 0xd:
msg = new ChannelPressureMessage(channel, b1);
break;
case 0xe:
int wheelamt = ((b1 % 128) * 128) + (b2 % 128);
msg = new PitchWheelMessage(channel, wheelamt);
break;
default:
break;
}
//convert noteon msg w/ vel = 0 to noteoff msg
if (msg is NoteOnMessage)
{
NoteOnMessage noteOn = (NoteOnMessage)msg;
if (noteOn.velocity == 0)
{
NoteOffMessage noteOff = new NoteOffMessage(noteOn.channel, noteOn.noteNumber, 0);
msg = noteOff;
}
}
return(msg);
}
