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package uk.ac.open.punchingbag.examples;
import java.awt.Color;
import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiEvent;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.Sequence;
import javax.sound.midi.Sequencer;
import javax.sound.midi.ShortMessage;
import javax.sound.midi.Track;
import javax.swing.JCheckBox;
import uk.ac.open.punchingbag.ButtonListener;
import uk.ac.open.punchingbag.Contact;
import uk.ac.open.punchingbag.PunchingBag;
public class MidiSequencer implements ButtonListener, Runnable {
Sequencer sequencer;
Sequence sequence;
Track track;
int tempo = 120;
PunchingBag bag = PunchingBag.getBag();
boolean[][] buttons = new boolean[8][20];
String[] instrumentNames = { "Bass Drum", "Closed Hi-Hat", "Open Hi-Hat",
"Acoustic Snare", "Crash Cymbal", "Hand Clap", "High Tom",
"Hi Bongo", "Maracas", "Whistle", "Low Conga", "Cowbell",
"Vibraslap", "Low-mid Tom", "High Agogo", "Open Hi Conga" };
int[] instruments = { 35, 42, 46, 38, 49, 39, 50, 60, 70, 72, 64, 56, 58,
47, 67, 63 };
public MidiSequencer() {
bag.addButtonListener(this);
setUpMidi();
new Thread(this).start();
}
public void setUpMidi() {
MidiDevice.Info[] devices = MidiSystem.getMidiDeviceInfo();
if (devices.length == 0) {
System.out.println("No MIDI devices found");
} else {
for (MidiDevice.Info dev : devices) {
System.out.println(dev);
}
try {
sequencer = MidiSystem.getSequencer();
sequencer.open();
sequence = new Sequence(Sequence.PPQ, 4);
track = sequence.createTrack();
sequencer.setTempoInBPM(120);
} catch (Exception e) {
e.printStackTrace();
}
}
} // close method
public void buildTrackAndStart() {
int[] trackList = null;
sequence.deleteTrack(track);
track = sequence.createTrack();
for (int y = 0; y < bag.buttonHeight; y++) {
trackList = new int[bag.buttonWidth];
int key = 0;
if (y < instruments.length) {
key = instruments[y];
} else {
// key = instruments[y - instruments.length];
}
for (int x = 0; x < bag.buttonWidth; x++) {
if (buttons[x][y]) {
trackList[x] = key;
} else {
trackList[x] = 0;
}
} // close inner loop
makeTracks(trackList);
track.add(makeEvent(176, 1, 127, 0, 16));
} // close outer
track.add(makeEvent(192, 9, 1, 0, 15));
try {
sequencer.setSequence(sequence);
// sequencer.setLoopCount(sequencer.LOOP_CONTINUOUSLY);
sequencer.setLoopCount(1);
sequencer.start();
sequencer.setTempoInBPM(tempo);
} catch (Exception e) {
e.printStackTrace();
}
} // close buildTrackAndStart method
public void makeTracks(int[] list) {
for (int i = 0; i < bag.buttonWidth; i++) {
int key = list[i];
if (key != 0) {
track.add(makeEvent(144, 9, key, 100, i));
track.add(makeEvent(128, 9, key, 100, i + 1));
}
}
}
public MidiEvent makeEvent(int comd, int chan, int one, int two, int tick) {
MidiEvent event = null;
try {
ShortMessage a = new ShortMessage();
a.setMessage(comd, chan, one, two);
event = new MidiEvent(a, tick);
} catch (Exception e) {
e.printStackTrace();
}
return event;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
}
@Override
public void buttonPressed(int x, int y) {
System.out.println("Button pressed, drawing");
buttons[x][y] = !buttons[x][y];
if (buttons[x][y]) {
bag.fillRect(x, y, 2, 2, Color.red);
// bag.drawRectCenter(x, y, 1, 1, Color.red);
} else {
bag.fillRect(x, y, 2, 2, Color.white);
// bag.drawRectCenter(x, y, 1, 1, Color.white);
}
}
@Override
public void contact(Contact c) {
// TODO Auto-generated method stub
}
private void draw(int tick) {
bag.clearLEDs();
bag.fillRect(tick, 0, 2, bag.ledHeight, Color.green);
for (int x = 0; x < bag.buttonWidth; x++) {
for (int y = 0; y < bag.buttonHeight; y++) {
if (buttons[x][y]) {
// bag.fillRect(x, y, 2, 2, Color.red);
bag.setLED(x, y, Color.red);
bag.setLED(x + 1, y + 1, Color.red);
}
}
}
}
@Override
public void run() {
while (true) {
buildTrackAndStart();
try {
for (int x = 0; x < 8; x++) {
draw(x);
Thread.sleep(60000 / 120 / 2);
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
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