/**
 * bentPlayer.java
 *
 * Implementation of abstract player class.
 * Plays bent pitches
 *
 * This module is part of Karl Brown's MIDI programming project.
 *
 */

package MidiApps;

import java.io.*;
import java.util.*;
import javax.sound.midi.*;

/**
 *
 * @author  Karl Brown
 * @version 1.0
 * last updated 2/16/2003
 */

public class bentPlayer extends player {

	static byte PITCH_BEND_MSG =(byte) 0xE0;
	static short MIN_PITCH_BEND = (short)0xE000;
	static short MAX_PITCH_BEND = (short)0x1FFF;
	static short HALF_STEP_PITCH_BEND= (short) 0x1000;
	static short NO_PITCH_BEND = (short)0x0000;
	static short PITCH_BEND_CENTER = ( ( short)( (0x40)*(0x80) ) );


	bentPitch bentPitches[] = new bentPitch[16];

  public void resetBentPitches() {

	  for (int i = 0; i < MAXNOTES; i++) {
		  bentPitches[i] = null;
	  }
	  pitchCount = 0;
  }


  public void setBentPitch(bentPitch bp) {
	  bentPitches[0] = bp;
	  pitchCount = 1;
  }

  public void addBentPitch(bentPitch bp) {
	  bentPitches[pitchCount] = bp;
	   pitchCount++;
  }

/**
 *
 * Implemented class method to play one or more notes
 * by generating pitch bend, note on and note off events.
 *
 */
  public void play() {

	try
	{
		long tickOn = tickCount;
		incTickCount(getDuration());
		long tickOff = tickCount;

		ShortMessage mm;
		MidiEvent me;

		for (int i = 0; i < pitchCount; i ++)
		{
//		pitch bend;
			mm = new ShortMessage();
			mm.setMessage((byte)((byte)PITCH_BEND_MSG + (byte)channel[0]),
				(byte)bentPitches[i].getStatusLSB(),
				(byte)bentPitches[i].getStatusMSB());
			me = new MidiEvent(mm,(long)tickOn);
			t.add(me);
//			tr.trace("pitch: " + bentPitches[0].getMidiPitch()
//			+ " status LSB: "  + bentPitches[0].getStatusLSB()
//			+ " status MSB: " + bentPitches[0].getStatusMSB());


//		note on;
			mm = new ShortMessage();
			mm.setMessage((byte)(0x90 + (byte)channel[0]),
				(byte)bentPitches[i].getMidiPitch(),(byte)velOn);
			me = new MidiEvent(mm,(long)tickOn+1);
			t.add(me);

//		note off;
			mm = new ShortMessage();
			mm.setMessage((byte)(0x80 + (byte)channel[0]),
			(byte)bentPitches[i].getMidiPitch(),(byte)velOff);
			me = new MidiEvent(mm,(long)tickOff);
			t.add(me);
		}


	} //try
		catch(Exception e)
	{
		tr.trace("bentPlayer::play: Exception caught:");
		tr.trace(e.toString());
	} //catch

  }
}