package jmsltestsuite;

import com.softsynth.jmsl.JMSL;
import com.softsynth.jmsl.MusicShape;
import com.softsynth.jmsl.midi.MidiIO;
import com.softsynth.jmsl.midi.MidiInstrument;

/** Midi instrument that sends pitchbend in play() */

public class PitchBendInstrument extends MidiInstrument {

	public PitchBendInstrument() {
		super();
		MusicShape s = new MusicShape(2);
		s.setDimensionName(0, "duration");
		s.setDefault(0, 1.0);
		s.setLimits(0, 0, 2.0);

		s.setDimensionName(1, "pitchbend");
		s.setDefault(1, (double) MidiIO.PITCH_BEND_CENTER);
		s.setLimits(1, 0, (double) 0x3FFF);

		this.setDimensionNameSpace(s);

	}

	public PitchBendInstrument(int channel) {
		this();
		setChannel(channel);
	}

	/** duration in dar[0], bend in dar[1] */
	public double play(double playTime, double timeStretch, double[] dar) {
		double duration = dar[0];
		int bend = (int) dar[1];
//		System.out.println("PitchBendInstrument.play(), channel=" + getChannel() + ", bend=" + bend);
		JMSL.midi.bendPitch(playTime, getChannel(), bend);
		return playTime + duration * timeStretch;
	}

}