/*
 * Created by Nick on Jan 3, 2005
 *
 */
package jmslexamples.simple;

import com.softsynth.jmsl.*;
import com.softsynth.jmsl.jsyn.JSynInsFromClassName;
import com.softsynth.jmsl.jsyn.JSynMusicDevice;

/**
 * Use a SequentialCollection to play ABABB "song form" with a JSyn SynthNote instrument
 * 
 * @author Nick Didkovsky, (c) 2004 All rights reserved, Email: didkovn@mail.rockefeller.edu
 *  
 */
public class JSynSong extends java.applet.Applet {

    JMSLMixerContainer mixer;
    Instrument instrument;

    SequentialCollection mySong;

    public void init() {
        JMSL.setIsApplet(true);
    }

    public void start() {
        synchronized (JMSL.class) {
            initJMSL();
            initMusicDevices();
            buildMixer();
            buildInstrument();
            buildSong();
            launchSong();
        }
    }

    private void initJMSL() {
        JMSL.scheduler = new EventScheduler();
        JMSL.scheduler.start();
        JMSL.clock.setAdvance(0.1);
    }

    private void initMusicDevices() {
        JSynMusicDevice.instance().open();
    }

    private void buildMixer() {
        mixer = new JMSLMixerContainer();
        mixer.start();
    }

    private void buildInstrument() {
        instrument = new JSynInsFromClassName(8, com.softsynth.jsyn.circuits.FilteredSawtoothBL.class.getName());
        mixer.addInstrument(instrument);
    }

    protected void buildSong() {
        MusicShape verse = new MusicShape(4);
        verse.setInstrument(instrument);
        verse.add(0.25, 60, 0.6, 0.5);
        verse.add(0.25, 60.5, 0.6, 0.25);
        verse.add(0.75, 65, 0.6, 0.2);
        verse.setRepeats(4);

        MusicShape chorus = new MusicShape(4);
        chorus.setInstrument(instrument);
        chorus.add(0, 50, 0.5, 0.75);
        chorus.add(1.0, 59, 0.5, 0.75);
        chorus.add(0, 53, 0.5, 0.75);
        chorus.add(1.0, 57, 0.5, 0.75);
        chorus.setRepeats(2);

        MusicShape rest = new MusicShape(4);
        rest.add(2.0, 0, 0, 0);

        mySong = new SequentialCollection();
        mySong.add(verse);
        mySong.add(chorus);
        mySong.add(verse);
        mySong.add(chorus);
        mySong.add(rest);
        mySong.add(chorus);
    }

    private void launchSong() {
        mySong.launch(JMSL.now());
    }

    public void stop() {
        synchronized (JMSL.class) {
            mySong.finishAll();
            try {
                mySong.waitForDone();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            JMSL.scheduler.stop();
            JMSL.closeMusicDevices();
        }
    }
}