Method playNote

hi_scripting/scripting/hardcoded_modules/Arpeggiator.cpp:548–697

void Arpeggiator::playNote()
{
	calcTimeInterval();
	start();

	additionalChordStartKeys.clearQuick();
	MidiSequenceArray.clearQuick();
	MidiSequenceArraySorted.clearQuick();

	const int octaveRaw = (int)octaveSlider->getValue();
	const int octaveSign = octaveRaw >= 0 ? 1 : -1;
	auto octaveAmount = abs(octaveRaw) + 1;

	for (int i = 0; i < octaveAmount; i++)
	{
		for (int j = 0; j < userHeldKeysArray.size(); j++)
		{
			MidiSequenceArray.addIfNotAlreadyThere(userHeldKeysArray[j] + (int8)(octaveSign * i * 12));
			MidiSequenceArraySorted.addIfNotAlreadyThere(userHeldKeysArraySorted[j] + (int8)(octaveSign * i * 12));
		}
	}

	if (randomOrder)
	{
		int newIndex = MidiSequenceArraySorted.size() == 0 ? 0 : r.nextInt(MidiSequenceArraySorted.size());

		while (curHeldNoteIdx == newIndex && MidiSequenceArraySorted.size() > 2)
			newIndex = r.nextInt(MidiSequenceArraySorted.size());

		curHeldNoteIdx = newIndex;
	}
	else
	{
		// this ensure that if a new note is added to the sorted list, we update where we are supposed to be along the sequence
		// not a good implementation of the idea, but it works for now
		if (sortKeysButton->getValue() && curHeldNoteIdx > 1)
			curHeldNoteIdx = MidiSequenceArraySorted.indexOf(currentNote) + arpDirMod;

		// we must increment and wrap separately otherwise we will go from 0 to 1 and back to 0 instantly unless more than one note is held at exactly the same time
		curHeldNoteIdx = WrapValueFromZeroToMax(curHeldNoteIdx, MidiSequenceArray.size());

		curSeqPatternEnum = sequenceComboBox->getValue();

		// check if we need to reverse sequence based on up/dn mode
		if ((int)sequenceComboBox->getValue() >= 3 && MidiSequenceArray.size() > 1)
		{
			if (arpDirMod > 0 && curHeldNoteIdx == MidiSequenceArray.size() - 1)
				arpDirMod = -abs(arpDirMod);
			else if (arpDirMod < 0 && curHeldNoteIdx == 0)
				arpDirMod = abs(arpDirMod);
		}
	}

	const int stepResetAmount = (int)stepReset->getValue();

	// if master reset num steps is 0 ignore this block, otherwise do a full arp reset when num steps have passed
	if (stepResetAmount > 0)
	{