/*
 * Created by Nick on Jan 4, 2005
 *
 */
package jmslexamples.simple;

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

/** 
 * 
 * Just play one pitched sound once. 
 * 
 * @author Nick Didkovsky, (c) 2004 All rights reserved, Email:
 *         didkovn@mail.rockefeller.edu
 *  
 */
public class OneSoundOnce extends java.applet.Applet {

    JMSLMixerContainer mixer;
    Instrument instrument;
    MusicShape musicShape;

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

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

    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() {
        // 8 voice polyphony, use FilteredSawtoothBL sound
        instrument = new JSynInsFromClassName(8, com.softsynth.jsyn.circuits.FilteredSawtoothBL.class.getName());
        mixer.addInstrument(instrument);
    }

    private void buildMusicShape() {
        // 4 dimensional MusicShape: duration, pitch, amplitude, sustain time ("hold")
        musicShape = new MusicShape(4);
        musicShape.setInstrument(instrument);
        // 1 second, middle C, 0.6 amp, hold 0.95 sec
        musicShape.add(1, 60, 0.6, 0.95);
    }

    private void launchMusicShape() {
        musicShape.launch(JMSL.now());
    }

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