/* inputParameters */
uint8 microtonal;

/* midi */
uint8 eventChannel,sourceChannel,destChannel,note,rootVal;
int pitchWheelValue,noteModInt;
float noteMod,bendRangeDevide;
MidiEvent noteEvent,pichWheelEvent;
bool isPlaying=false;

void processBlock(BlockData& data){
    for(uint m=0;m<data.inputMidiEvents.length;m++){
        eventChannel=sourceChannel=0;
        if(eventChannel==sourceChannel or sourceChannel==0){
            noteEvent=data.inputMidiEvents[m];
            if(MidiEventUtils::getType(noteEvent)==kMidiNoteOn){
                note=MidiEventUtils::getNote(noteEvent);
                if(isPlaying){
                    MidiEventUtils::setType(noteEvent,kMidiNoteOff);
                    MidiEventUtils::setNote(noteEvent,noteModInt);
                    data.outputMidiEvents.push(noteEvent);
                    MidiEventUtils::setType(noteEvent,kMidiNoteOn);
                }
                isPlaying=true;
                if(note>rootVal)
                    noteMod=rootVal+(12.0/microtonal)*(note-rootVal);
                else
                    noteMod=rootVal-(12.0/microtonal)*(rootVal-note);
                pitchWheelValue=rint(fraction(noteMod)*8192*bendRangeDevide);
                noteModInt=int(noteMod);
                MidiEventUtils::setNote(noteEvent,noteModInt);
                MidiEventUtils::setChannel(noteEvent,destChannel);
                data.outputMidiEvents.push(noteEvent);
            } else if (MidiEventUtils::getType(noteEvent)==kMidiNoteOff){
                if(note==MidiEventUtils::getNote(noteEvent)){
                    isPlaying=false;
                    MidiEventUtils::setType(noteEvent,kMidiNoteOff);
                    MidiEventUtils::setNote(noteEvent,noteModInt);
                    data.outputMidiEvents.push(noteEvent);
                }
            }
        MidiEventUtils::setPitchWheelValue(pichWheelEvent,pitchWheelValue);
        data.outputMidiEvents.push(pichWheelEvent);
        }
    }
}