/*
 * Created by Nick on Jan 10, 2005
 *
 */
package jmslexamples.jsyn;

import java.awt.Point;

import jmslexamples.AnimationApplet;

import com.softsynth.jmsl.*;
import com.softsynth.jmsl.jsyn.*;
import com.softsynth.jsyn.circuits.*;

/**
 * Extends AnimationApplet in jmslexamples substituting MusicJob "scripts" that
 * move the characters around while also making sound. See definition of
 * CharacterScriptWithSound at bottom of this file
 * 
 * @author Nick Didkovsky, (c) 2004 All rights reserved, Email:
 *         didkovn@mail.rockefeller.edu
 *  
 */
public class AnimationAppletWithSound extends AnimationApplet {

    private JMSLMixerContainer mixer;
    private Instrument ins1;
    private Instrument ins2;
    private CharacterScriptWithSound script1;
    private CharacterScriptWithSound script2;

    /** Overridden so we can make sound */
    protected void initJMSL() {
        super.initJMSL();
        JSynMusicDevice.instance().open();
    }

    /** Overridden so we can make sound */
    protected void buildScripts() {
        System.out.println("buildScripts() with sound");
        // a script to move character 1 around
        script1 = new CharacterScriptWithSound(character1);
        script1.setRepeats(Integer.MAX_VALUE);
        script1.setRepeatPause(0.3);

        // a script to move character 2 around (note it's a different repeat
        // pause than character 1)
        script2 = new CharacterScriptWithSound(character2);
        script2.setRepeats(Integer.MAX_VALUE);
        script2.setRepeatPause(0.15);
    }

    /** Overridden so we can make sound */
    protected void buildCartoon() {
        cartoon = new ParallelCollection();
        cartoon.add(animation);
        cartoon.add(script1);
        cartoon.add(script2);
    }

    public void start() {
        synchronized (JMSL.class) {
            super.start();
            buildMixer();
            buildInstruments();
        }
    }

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

    /** Make a couple of JSyn instruments and hand them to the scripts */
    private void buildInstruments() {
        ins1 = new JSynInsFromClassName(4, FilteredSawtoothBL.class.getName());
        ins2 = new JSynInsFromClassName(4, RingModBell.class.getName());
        mixer.addInstrument(ins1, 0.3, 0.5);
        mixer.addInstrument(ins2, 0.7, 0.5);
        script1.setInstrument(ins1);
        script2.setInstrument(ins2);
    }

}

/** Updates x,y position of character over time */

class CharacterScriptWithSound extends MusicJob {

    Point character;

    public CharacterScriptWithSound(Point character) {
        this.character = character;
    }

    public double repeat(double playTime) {
        int xDelta = JMSLRandom.choose(-2, 3);
        int yDelta = JMSLRandom.choose(-2, 3);
        character.x += xDelta;
        character.y += yDelta;
        if (getInstrument() != null) {
            double pitch = scaleXToPitch(character.x);
            double amplitude = scaleYToAmp(character.y);
            double[] data = { getRepeatPause(), pitch, amplitude, getRepeatPause() * 1.2 };
            getInstrument().play(playTime, 1.0, data);
        }
        return playTime;
    }

    private double scaleYToAmp(int y) {
        double amp = y / 200.0;
        return Limits.clipTo(amp, 0.0, 1.0);
    }

    private double scaleXToPitch(int x) {
        double pitch = x / 200.0 * 120;
        return Limits.clipTo(pitch, 0, 120);
    }
}