/*
 * Created by Nick on Jan 28, 2006
 *
 */
package jmslexamples.simple;

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

/**
 * Build a simple Score with an orchestra of JSyn instruments. Also shows quarter tones.
 * 
 * @author Nick Didkovsky, (c) 2006 All rights reserved, Email: didkovn@mail.rockefeller.edu
 *  
 */
public class JSynScore extends java.applet.Applet {

    Score score;
    ScoreFrame scoreFrame;
    Orchestra orchestra;

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

    public void start() {
        synchronized (JMSL.class) {
            initJMSL();
            initMusicDevices();
            buildScore();
            buildOrchestra();
            buildScoreFrame();
        }
    }

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

    private void initMusicDevices() {
        JMSL.clock = new DefaultMusicClock();
        initJSynMusicDevice();
    }

    private void initJSynMusicDevice() {
        MusicDevice dev = JSynMusicDevice.instance();
        dev.edit(new java.awt.Frame());
        dev.open();
    }

    private void buildOrchestra() {
        orchestra = new Orchestra();
        // use 8 voice polyphonic stereo JSyn instrument
        Instrument ins = new JSynInsFromClassName(8, com.softsynth.jmsl.jsyn.circuits.AutopanningSawtooth.class.getName());
        orchestra.addInstrument(ins, "JSyn Instrument");
        score.setOrchestra(orchestra);
        if (ins.getNumOutputs() == 2) { 
            // pan L/R
            score.getOrchestra().getJMSLMixerContainer().panAmpChange(0, 0, 0.5);
            score.getOrchestra().getJMSLMixerContainer().panAmpChange(1, 1, 0.5);
        }
    }

    /** build measures with a whole note chord. Transpose up a quarter tone each measure */
    void buildPiece() {
        Measure m = score.addMeasure(5, 4);
        m.setTempo(120);
        // duration (where 1.0 = qtr), pitch (where 60 = middle C), amp, sustain
        for (int i = 0; i < 4; i++) {
            double quarterTone = i * 0.5; // 0 first loop, 0.5 second loop, etc
            double pitch = 60 + quarterTone;
            // duration 4 == whole note, pitch, amplitude, hold time
            Note n = score.addNote(4.0, pitch, 0.6, 3.9);
            n.addInterval(pitch + 7);
        }
    }

    void buildScore() {
        score = new Score(1, 800, 600);
        buildPiece();
    }

    void buildScoreFrame() {
        scoreFrame = new ScoreFrame();
        scoreFrame.addScore(score);
        scoreFrame.pack();
        scoreFrame.setVisible(true);
    }

    public void stop() {
        synchronized (JMSL.class) {
            if (scoreFrame != null) {
                scoreFrame.setVisible(false);
                scoreFrame.dispose();
                Score.deleteCanvas();
                SelectionBuffer.disposeEditFrame();
                scoreFrame = null;
                score = null;
            }
            JMSL.scheduler.stop();
            JMSL.closeMusicDevices();
        }
    }
}