/**
 * randomComposer.java
 *
 * Implementation of abstract composer class.
 * Creates a one-note mid sequence..
 * Demonstrates how a composer creates midi events
 * and how a composer can be configurable, in this
 * case the midi pitch and patch
 *
 * 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 hardCodedComposer extends composer {


  int note;

  int patch;



  public void setNote(int noteIn) {
	  note = noteIn;
  }


  public void setPatch(int patchIn) {
	  patch = patchIn;
  }


  public void compose() {

	try
	{
		if (s == null) {
			createSequence();
		}

		Track t = s.createTrack();
		ShortMessage mm = new ShortMessage();
		SysexMessage sm = new SysexMessage();
		MetaMessage mt = new MetaMessage();
		MidiEvent me;
		String TrackName;


//		General MIDI sysex;
		byte[] b = {(byte)0xF0, 0x7E, 0x7F, 0x09, 0x01, (byte)0xF7};
		sm = new SysexMessage();
		sm.setMessage(b, 6);
		me = new MidiEvent(sm,(long)0);
		t.add(me);

//		set tempo (meta event);
		mt = new MetaMessage();
        byte[] bt = {0x02, (byte)0xA1, 0x20};
		mt.setMessage(0x51 ,bt, 3);
		me = new MidiEvent(mt,(long)0);
		t.add(me);

//		set track name (meta event);
		mt = new MetaMessage();
		TrackName = new String("Automatic Pilot track");
		mt.setMessage(0x03 ,TrackName.getBytes(), TrackName.length());
		me = new MidiEvent(mt,(long)0);
		t.add(me);


//		set omni on;
		mm = new ShortMessage();
		mm.setMessage(0xB0, 0x7D,0x00);
		me = new MidiEvent(mm,(long)0);
		t.add(me);

//		set poly on;
		mm = new ShortMessage();
		mm.setMessage(0xB0, 0x7F,0x00);
		me = new MidiEvent(mm,(long)0);
		t.add(me);

//		set instrument channel 1;
		mm = new ShortMessage();
		mm.setMessage(0xC0, (byte)patch, 0x00);
		me = new MidiEvent(mm,(long)0);
		t.add(me);

//		note on;
		mm = new ShortMessage();
		mm.setMessage(0x90,(byte)note,0x60);
		me = new MidiEvent(mm,(long)0);
		t.add(me);

//		note off;
		mm = new ShortMessage();
		mm.setMessage(0x80,(byte)note,0x60);
		me = new MidiEvent(mm,(long)480);
		t.add(me);

//		set end of track (meta event) channel 1;
		mt = new MetaMessage();
        byte[] bet = {};
		mt.setMessage(0x2F,bet,0);
		me = new MidiEvent(mt, (long)480);
		t.add(me);

	} //try
		catch(Exception e)
	{
		tr.trace("<P>Exception caught:<BR>");
		tr.trace(e.toString() + "<BR>");
	} //catch

  }
}