/*
 * Created by Nick on Nov 8, 2004
 *
 */
package jmslexamples.jsyn;

import com.softsynth.jmsl.*;
import com.softsynth.jmsl.jsyn.JSynMusicDevice;
import com.softsynth.jmsl.jsyn.SynthNoteAllPortsInstrument;
import com.softsynth.jmsl.jsyn.circuits.FilteredSawtoothExpLag;

/**
 * This examples shows how to use Instrument on(), update() and off() to start a sound, update its
 * timbre over time, then shut it down. Uses a MusicJob subclass to implement this by calling on()
 * in start(), update() in repeat(), and off() in stop()
 * 
 * Notice that this sounds smooth even when update()s sends abruptly changing values because the
 * circuit has exponential lags before some of its input ports.
 * 
 * @author Nick Didkovsky, (c) 2004 All rights reserved, Email: didkovn@mail.rockefeller.edu
 *  
 */
public class SimpleTimbralEvolution extends java.applet.Applet {

    JMSLMixerContainer mixer;

    public void init() {
    }

    public void start() {
        JMSL.clock.setAdvance(0.1);
        MusicDevice dev = JSynMusicDevice.instance();
        dev.edit(new java.awt.Frame());
        dev.open();

        mixer = new JMSLMixerContainer();
        mixer.start();

        makeAndLaunchJob(30);
        makeAndLaunchJob(30.5);

    }

    private void makeAndLaunchJob(double pitch) {
        SynthNoteAllPortsInstrument ins = new SynthNoteAllPortsInstrument(1, FilteredSawtoothExpLag.class.getName());
        mixer.addInstrument(ins, JMSLRandom.choose(), 0.4);

        TimbreJob job = new TimbreJob();
        job.setInstrument(ins);
        job.setPitch(pitch);
        job.setRepeats(100);
        job.setRepeatPause(1.0);
        job.launch(JMSL.now() + JMSLRandom.choose(2.0));
    }

    public void stop() {
        JMSL.closeMusicDevices();
    }

}

class TimbreJob extends MusicJob {
    // hold a copy of data to change on each repeat()
    double[] data;

    double pitch = 60;

    public void setPitch(double pitch) {
        this.pitch = pitch;
    }

    public double start(double playTime) {
        System.out.print(getName() + " start() calling instrument.on() " + playTime + " with data: ");
        if (getInstrument() != null && getInstrument().getDimensionNameSpace() != null) {
            data = MusicShape.getDefaultArray(getInstrument().getDimensionNameSpace());
            int indexOfPitch = getInstrument().getDimensionNameSpace().getDimension("pitch");
            data[indexOfPitch] = pitch;
            getInstrument().on(playTime, 1.0, data);
            JMSL.printDoubleArray(data);
        }
        return playTime;
    }

    public double repeat(double playTime) {
        System.out.print(getName() + " repeat() calling instrument.update() at playtime=" + playTime + ", data: ");
        if (data != null) {
            // update timbral dimensions
            for (int i = 4; i < data.length; i++) {
                double lowLimit = getInstrument().getDimensionNameSpace().getLowLimit(i);
                double highLimit = getInstrument().getDimensionNameSpace().getHighLimit(i);
                data[i] = JMSLRandom.choose(lowLimit, highLimit);
            }
            getInstrument().update(playTime, 1.0, data);
            JMSL.printDoubleArray(data);
        }
        return playTime;
    }

    public double stop(double playTime) {
        System.out.print(getName() + " stop() calling instrument.off() at playtime " + playTime);
        if (getInstrument() != null) {
            getInstrument().off(playTime, 1.0, data);
        }
        return playTime;
    }
}