geoshred-auto-octave

@OnLoad
  // on_notes array will record the note
  // that is actually played for
  // any given note value.
  // e.g., if note 60 is pressed
  // but it is offset to 72
  // then on_notes[60] will be 72.
  fillarray on_notes, 0, 129
  lastnote=0
  lnote = 0
  offset=0
  heldcount=0
  up = 1
  down = 2
  direction = 0
@END

@onmidinoteoff
  dec heldcount
  sendmidinoteoff midibyte1, on_notes[midinote], midibyte3
  on_notes[midinote] = 0
@end

@OnMidiNoteOn

  inc heldcount

  note=midibyte2
  nnote= midibyte2 % 12

  //interval=abs(nnote-lnote)
  //if ((interval <=3) or (interval >= 9)) and (heldcount > 1)
  interval = nnote - lnote
  
 
    if (heldcount = 2) and (direction = 0)
      // set direction if this is the start of a run
      if note >= lastnote
        direction = up
      else
        direction = down
      endif
    endif

    if (direction = up) and (note < lastnote)
        inc offset
    elseif (direction = down) and (note > lastnote)
        inc offset
    endif
  
  else
    // reset
    direction = 0
    offset=0
  endif

  lastnote = note
  lnote = note % 12

  if direction = up
    note = note + (12 * offset)
  else
    note = note - (12 * offset)
  endif
  on_notes[midibyte2] = note
  sendmidinoteon midibyte1, note, midibyte3

@END