From cfa29ad09cc9974a0a55e5b25bcc5f59a71d5950 Mon Sep 17 00:00:00 2001
From: Christopher Baines <cbaines8@gmail.com>
Date: Mon, 5 Sep 2011 23:09:28 +0100
Subject: Improved the Effect API, threading and display.

---
 PunchingBag/src/PunchingBag.java    | 88 +++++++++++++++++++++----------------
 PunchingBag/src/PunchingBagGUI.java | 15 ++-----
 2 files changed, 53 insertions(+), 50 deletions(-)

(limited to 'PunchingBag')

diff --git a/PunchingBag/src/PunchingBag.java b/PunchingBag/src/PunchingBag.java
index d09d8e6..b36f562 100644
--- a/PunchingBag/src/PunchingBag.java
+++ b/PunchingBag/src/PunchingBag.java
@@ -45,7 +45,7 @@ public class PunchingBag implements Runnable {
 	public void addLEDChangeListener(LEDListener l) {
 		ledListenerList.add(LEDListener.class, l);
 	}
-	
+
 	public Colour getLED(int x, int y) {
 		return leds[x][y];
 	}
@@ -64,10 +64,11 @@ public class PunchingBag implements Runnable {
 	}
 
 	void CircleExpand(int x, int y, int intensity) {
-		runningEffects.add(new CircleExpand(x,y,100));
+		runningEffects.add(new CircleExpand(x, y, 100));
 	}
 
-	abstract class Effect implements Runnable {
+	abstract class Effect {
+		long lastRefresh = 0;
 		boolean stop = false;
 		int refreshRate = 60; // Times per second to refresh
 
@@ -75,18 +76,6 @@ public class PunchingBag implements Runnable {
 			stop = true;
 		}
 
-		public void run() {
-			while (!stop) {
-				draw();
-				try {
-					Thread.sleep(1000 / 60);
-				} catch (InterruptedException e) {
-					e.printStackTrace();
-				}
-			}
-			runningEffects.remove(this);
-		}
-
 		abstract public void draw();
 	}
 
@@ -102,7 +91,6 @@ public class PunchingBag implements Runnable {
 			this.x = x;
 			this.y = y;
 			this.intensity = intensity;
-			new Thread(this).start();
 		}
 
 		public void draw() {
@@ -115,10 +103,11 @@ public class PunchingBag implements Runnable {
 			} else {
 				colour = Colour.Green;
 			}
-			
+
 			intensity -= 5;
 
-			currentRadius += 0.1 + (currentRadius / 10);
+			currentRadius += 0.1 + 0.1 + (currentRadius / 20);
+			// currentRadius += 0.01;
 			// longhand: currentRadius = currentRadius + 0.1 + (currentRadius /
 			// 10);
 
@@ -211,16 +200,17 @@ public class PunchingBag implements Runnable {
 	}
 
 	/* Clears the led grid and stops all running effects */
-    void clearLEDGrid() {
-		/*for (Iterator<Effect> iter = runningEffects.iterator(); iter.hasNext();) {
-			((Effect) iter.next()).stop();
-		}*/
-		for (int x=0; x<ledWidth; x++) {
-			for (int y=0; y<ledHeight; y++) {
+	void clearLEDGrid() {
+		/*
+		 * for (Iterator<Effect> iter = runningEffects.iterator();
+		 * iter.hasNext();) { ((Effect) iter.next()).stop(); }
+		 */
+		for (int x = 0; x < ledWidth; x++) {
+			for (int y = 0; y < ledHeight; y++) {
 				leds[x][y] = Colour.None;
 			}
 		}
-		//Arrays.fill(leds,Colour.None);
+		// Arrays.fill(leds,Colour.None);
 	}
 
 	public void setLEDGridIntensity(byte grid, byte intensity) {
@@ -230,7 +220,7 @@ public class PunchingBag implements Runnable {
 	public void setLEDIntensities(byte intensity) {
 		Arrays.fill(ledGridIntensities, intensity);
 	}
-	
+
 	public void buttonPressed(int x, int y) {
 		buttons[x][y] = true;
 		buttonsChanged = true;
@@ -238,36 +228,56 @@ public class PunchingBag implements Runnable {
 
 	public void run() {
 		while (true) {
+			synchronized (runningEffects) { // Should prevent
+											// ConcurrentModificationException's
+											// (havent managed to produce one
+											// though
+				for (Iterator<Effect> iter = runningEffects.iterator(); iter
+						.hasNext();) {
+					Effect ef = (Effect) iter.next();
+					if (ef.stop) {
+						iter.remove();
+					} else if ((ef.lastRefresh + (1000 / ef.refreshRate)) <= System
+							.currentTimeMillis()) {
+						ef.draw();
+						ef.lastRefresh = System.currentTimeMillis();
+					}
+				}
+			}
+
 			if (ledsChanged) {
-				LEDListener[] LEDListeners = ledListenerList.getListeners(LEDListener.class);
-				for (int i=0; i<ledListenerList.getListenerCount(); i++) {
+				LEDListener[] LEDListeners = ledListenerList
+						.getListeners(LEDListener.class);
+				for (int i = 0; i < ledListenerList.getListenerCount(); i++) {
 					LEDListeners[i].LEDchanged();
 				}
 			}
-			
+
 			if (buttonsChanged) {
-				ButtonListener[] buttonListeners = buttonListenerList.getListeners(ButtonListener.class);
-				for (int i=0; i<buttonListenerList.getListenerCount(); i++) {
-					for (int x=0; x<buttonWidth; x++) {
-						for (int y=0; y<buttonHeight; y++) {
-							if (buttons[x][y]) buttonListeners[i].buttonPressed(x, y);
+				ButtonListener[] buttonListeners = buttonListenerList
+						.getListeners(ButtonListener.class);
+				for (int i = 0; i < buttonListenerList.getListenerCount(); i++) {
+					for (int x = 0; x < buttonWidth; x++) {
+						for (int y = 0; y < buttonHeight; y++) {
+							if (buttons[x][y])
+								buttonListeners[i].buttonPressed(x, y);
 						}
 					}
 				}
 			}
-			
+
 			// TODO: Hack?
-			for (int x=0; x<buttonWidth; x++) {
-				for (int y=0; y<buttonHeight; y++) {
+			for (int x = 0; x < buttonWidth; x++) {
+				for (int y = 0; y < buttonHeight; y++) {
 					buttons[x][y] = false;
 				}
 			}
-			
+
 			// TODO: Hack?
 			clearLEDGrid();
 
 			try {
-				Thread.sleep(1000 / 120);
+				Thread.sleep(1000 / 60);
 			} catch (InterruptedException e) {
 				e.printStackTrace();
 			}
diff --git a/PunchingBag/src/PunchingBagGUI.java b/PunchingBag/src/PunchingBagGUI.java
index f3997a8..1db9d68 100644
--- a/PunchingBag/src/PunchingBagGUI.java
+++ b/PunchingBag/src/PunchingBagGUI.java
@@ -56,15 +56,6 @@ public class PunchingBagGUI implements MouseListener, MouseMotionListener,
 
 		bag.addButtonListener(this);
 		bag.addLEDChangeListener(this);
-
-		draw();
-	}
-
-	void draw() throws InterruptedException {
-		bagSimFrame.paintComponents(bagSimFrame.getGraphics());
-		// bagSimFrame.paintAll(bagSimFrame.getGraphics());
-		Thread.sleep(50);
-		draw();
 	}
 
 	public void runInteractively(Contact contact) {
@@ -133,10 +124,12 @@ public class PunchingBagGUI implements MouseListener, MouseMotionListener,
 					} else if (bag.getLED(x, y) == PunchingBag.Colour.Green) {
 						g.setColor(Color.green);
 						g.fillOval(40 * x, 40 * y, 6, 6);
-					}
-					if (bag.getLED(x, y) == PunchingBag.Colour.Yellow) {
+					} else if (bag.getLED(x, y) == PunchingBag.Colour.Yellow) {
 						g.setColor(Color.yellow);
 						g.fillOval(40 * x, 40 * y, 6, 6);
+					} else {
+						g.setColor(Color.white);
+						g.fillOval(40 * x, 40 * y, 6, 6);
 					}
 				}
 			}
-- 
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