desc: Live Input Quantize (GianniMIDI)

in_pin:none
out_pin:none

slider1:16<1,16,1>quantize interval (bar/n)
slider2:0<0,2,1{don't (good for one-shots),unquantized (note on & offs received within the same interval will not play),quantized (note on & offs received within the same interval will not play)}>send note offs 

import my-lib.jsfx-inc

@init

// msg methods
function enqNoteOn()
(
  onQueue.push(this.toBits());
);


function cancelNoteOn(i)
(
  onQueue[i] = 0;
);


function enqNoteOff()
(
  offQueue.push(this.toBits());
);


function posInQueue() local (i, pos)
( 
  pos = -1;
  i = 0;
  while((pos == -1) && (i < onQueue.length))
  (
    _comp = onQueue[i];
    _comp.parseBits();
    (this.statusLo == _comp.statusLo) && (this.data1 == _comp.data1) && pos = i;
    i += 1;
  );
  pos;
);

// global methods
function dequeue(queue*)
(
  while(queue.length > 0)
  (
    _msg = queue.pop();
    _msg.parseBits();
    _msg.sendWithOffset(sampleOffset);
  );
);

onQueue.arrayInit(128);
offQueue.arrayInit(128);
clock.cInit();


@slider

clock.setPeriodBars(1/slider1);


@block

sampleOffset = -1;


@sample

sampleOffset += 1;

tempoChanged() && clock.setPeriodBars(1/slider1);

while (msg.recv())   
(
  handled = 0;
  msg.isNoteOn() &&
  (
    (msg.posInQueue() < 0) && msg.enqNoteOn();
    handled = 1;
  );
  msg.isNoteOff() &&
  (
    slider2 > 0 && (
      _pos = msg.posInQueue();
      _pos > -1 ? cancelNoteOn(_pos) : (slider2 == 1 ? msg.sendWithOffset(sampleOffset) : msg.enqNoteOff());
    );
    handled = 1;
  );
  !handled && msg.sendWithOffset(sampleOffset);
);

clock.tick() && (
  slider2 == 2 && dequeue(offQueue);
  dequeue(onQueue);
);