const PM_DEVICE_ID = 0;

fn pm_note_played(channel, note, vel) {
	pm_play_note(channel, note, vel);
}

fn pm_note_released(channel, note, vel) {
	pm_release_note(channel, note);
}

fn pm_pitch_bent(channel, amount) {
	pm_bend_pitch(amount * 100.0);
}

fn pm_control_changed(channel, controller, value) {
	print(channel + " " + controller + " " + value);
	if controller == 64 {
		// pedal down if value < 127.
		pm_set_pedal(value < 127);
	} else if controller == 1 {
		pm_set_volume(-1, value / 127.0);
	} else if controller == 20 {
		let bpm = 0;
		if value != 0 {
			bpm = round(30.0 + 1.5 * value);
		}
		print("setting metronome to " + bpm);
		pm_set_metronome(60, bpm, 1.0);
	}
}

pm_load_soundfont("/etc/alternatives/default-GM.sf3");
pm_load_preset(0, 299);
pm_load_preset(9, 102);
pm_load_preset(16, 102);