package jmslexamples.jsyn;

import com.softsynth.jsyn.*;

import com.softsynth.jmsl.*;
import com.softsynth.jmsl.jsyn.*;
import com.softsynth.jmsl.score.*;
import com.softsynth.jmsl.util.*;
import com.softsynth.jmsl.view.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;

/**
 * This applet generates pitches using JMSL's 1/F sequence generator. It loads a
 * MusicShape with this data first, and displays it in a MusicShapeEditor. It
 * adds notes to a JScore by pulling the data from the MusicShape. <br>
 * <br>
 * 
 * @author Nick Didkovsky, copyright 2000 Nick Didkovsky
 */
public class JScoreOofDemo extends java.applet.Applet {

    Score score;
    ScoreFrame scoreFrame;
    MusicShape oofShape;

    /**
     * Build a MusicShape of 32nd notes whose pitches are generated by 1/F
     * sequence. 1/F sequence ranges from 0..127. Here we scale it to half that
     * range, starting 2 octaves below middle C
     */
    void buildOofShape() {
        oofShape = new MusicShape(4);
        Oof oof = new Oof(7);
        // duration is set at 32nd notes
        double dur = 1 / 8.0;
        for (int i = 0; i < 64; i++) {
            double pitch = (oof.next() / 2.0) + 36;
            double amplitude = JMSLRandom.choose(0.5, 1.0);
            double hold = dur * 0.8;
            oofShape.add(dur, pitch, amplitude, hold);
        }
    }

    /**
     * call score.addNote() for each element in MusicShape, to add
     * algorithmically generated data to notated score
     */
    void buildOofScore() {
        score.addMeasure();
        int kount = 0;
        for (Enumeration e = oofShape.elements(); e.hasMoreElements();) {
            Note n = score.addNote((double[]) e.nextElement());
            n.setBeamedOut(kount % 8 != 7);
            kount++;
        }
    }

    public void init() {
    }

    Orchestra orch;

    public void start() {
        setLayout(new BorderLayout());
        add("North", new Label("1/F"));
        initMusicDevices();
        initJMSL();
        buildScore();
        buildOrchestra();
        buildShapeEditor();
        buildScoreFrame();
        JMSL.setIsApplet(true);
        getParent().validate();
        getToolkit().sync();
    }

    private void buildScoreFrame() {
        //  score.setSystemWrap(false);
        scoreFrame = new ScoreFrame("JMSL Score JSyn Demo by Nick Didkovsky, copyright 2000 Nick Didkovsky");
        scoreFrame.addScore(score);

        score.getScoreLayoutManager().setZoom(0.5);
        score.getControlPanel().setZoom(0.5);
        //		 force netscape to size window ok
        //scoreFrame.setSize(1000, h+100);
        scoreFrame.setVisible(true);
    }

    private void buildShapeEditor() {
        MusicShapeEditor se = new MusicShapeEditor();
        se.addMusicShape(oofShape);
        add("Center", se.getComponent());
    }

    private void buildScore() {
        int numStaves = 1;
        score = new Score(numStaves, "1/F Demo by Nick Didkovsky, copyright 2000 Nick Didkovsky");
        buildOofShape();
        oofShape.print();
        buildOofScore();
    }

    private void buildOrchestra() {
        orch = new Orchestra();
        // resonance, noiseamp, halflife
        SuperNoiseSwoop ins = new SuperNoiseSwoop(0.05, 0.5, 0.03);

        orch.addInstrument(ins, "Wood");
        // build a mixer gui with a SynthMixer
        //        orch.buildMixer();
        score.setOrchestra(orch);
    }

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

    private void initJMSL() {
        JMSL.clock.setAdvance(1.0);
        JMSL.scheduler = new EventScheduler();
        JMSL.scheduler.start();
    }

    public ScoreFrame getScoreFrame() {
        return scoreFrame;
    }

    public void stop() {
        removeAll();
        scoreFrame.setVisible(false);
        scoreFrame.dispose();
        Score.deleteCanvas();
        termJMSL();
    }

    /**
     * 
     */
    private void termJMSL() {
        JMSL.scheduler.stop();
        JMSL.closeMusicDevices();
    }

    /* Can be run as either an application or as an applet. */
    public static void main(String args[]) {
        JScoreOofDemo applet = new JScoreOofDemo();
        AppletFrame frame = new AppletFrame("1/F JScore demo", applet);
        frame.setSize(800, 300);
        frame.show();
        frame.test();
        JMSL.setIsApplet(false);
        applet.getScoreFrame().addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                JMSL.closeMusicDevices();
                System.exit(0);
            }
        });
    }

}