From c908ca694912508ac3d937d66a2316d6402cc379 Mon Sep 17 00:00:00 2001
From: Christopher Baines <cbaines8@gmail.com>
Date: Mon, 10 Oct 2011 09:32:58 +0100
Subject: Added the midi seq.

---
 .../open/punchingbag/examples/MidiSequencer.java   | 166 +++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 PunchingBag/src/uk/ac/open/punchingbag/examples/MidiSequencer.java

diff --git a/PunchingBag/src/uk/ac/open/punchingbag/examples/MidiSequencer.java b/PunchingBag/src/uk/ac/open/punchingbag/examples/MidiSequencer.java
new file mode 100644
index 0000000..6947778
--- /dev/null
+++ b/PunchingBag/src/uk/ac/open/punchingbag/examples/MidiSequencer.java
@@ -0,0 +1,166 @@
+package uk.ac.open.punchingbag.examples;
+
+import java.awt.Color;
+
+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() {
+		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
+
+	}
+
+	@Override
+	public void run() {
+		while (true) {
+			buildTrackAndStart();
+			try {
+				for (int x = 0; x < 8; x++) {
+					bag.fillRect(x, 0, 2, 8, Color.green);
+					for (int y = 0; y < bag.buttonHeight; y++) {
+						if (buttons[x][y])
+							bag.fillRect(x, y, 2, 2, Color.red);
+					}
+					Thread.sleep(60000 / 120 / 4);
+					bag.fillRect(x, 0, 2, 8, Color.white);
+					for (int y = 0; y < bag.buttonHeight; y++) {
+						if (buttons[x][y])
+							bag.fillRect(x, y, 2, 2, Color.red);
+					}
+				}
+			} catch (InterruptedException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+	}
+
+}
-- 
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