Added screen-capture functionality (press D). Added safeguards to prevent NPE when player.txt, DetailedInfo.txt do not exist. Removed these files from source control.

src/dk/itu/mario/engine/MarioComponent.java

@@ -4,15 +4,21 @@ import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.GraphicsConfiguration;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Robot;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
+import java.awt.image.BufferedImage;
 import java.awt.image.VolatileImage;
+import java.io.File;
 import java.util.Random;
 
+import javax.imageio.ImageIO;
 import javax.sound.sampled.LineUnavailableException;
 import javax.swing.JComponent;
 
@@ -36,6 +42,7 @@ public class MarioComponent extends JComponent implements Runnable,
 	public static final int GAME_VERSION = 4;
 
 	private boolean running = false;
+	private boolean screenshotTaken = false;
 	private int width, height;
 	private GraphicsConfiguration graphicsConfiguration;
 	private Scene scene;
@@ -45,7 +52,8 @@ public class MarioComponent extends JComponent implements Runnable,
 	private LevelGenerator levelGenerator;
 	private Scale2x scale2x = new Scale2x(320, 240);
 
-	public MarioComponent(int width, int height, boolean isCustomized, LevelGenerator levelGenerator) {
+	public MarioComponent(int width, int height, boolean isCustomized,
+			LevelGenerator levelGenerator) {
 		addFocusListener(this);
 		addMouseListener(this);
 		addKeyListener(this);
@@ -100,6 +108,14 @@ public class MarioComponent extends JComponent implements Runnable,
 		if (isPressed && keyCode == KeyEvent.VK_F1) {
 			useScale2x = !useScale2x;
 		}
+		if (keyCode == KeyEvent.VK_D) {
+			if (!isPressed) {
+				screenshotTaken = false;
+			} else if (!screenshotTaken) {
+				screenshotTaken = true;
+				takeScreenShot();
+			}
+		}
 
 		if (isPressed && keyCode == KeyEvent.VK_ESCAPE) {
 			try {
@@ -110,6 +126,25 @@ public class MarioComponent extends JComponent implements Runnable,
 		}
 	}
 
+	private void takeScreenShot() {
+		System.out.println("Taking screenshot.");
+		Point loc = getLocationOnScreen();
+
+		Rectangle screenRect = new Rectangle(loc.x, loc.y, getWidth(), getHeight());
+		
+		try {
+			
+			Robot robot = new Robot();
+			BufferedImage bufferedImg = robot.createScreenCapture(screenRect);
+			File tempFile = File.createTempFile("screenshot", ".png", new File("."));
+			ImageIO.write(bufferedImg, "png",
+					tempFile);
+			System.out.println("Screeshot saved to current working directory: " + tempFile.getName());
+		} catch (Exception ex) {
+			ex.printStackTrace(System.out);
+		}
+	}
+
 	public void paint(Graphics g) {
 		super.paint(g);
 	}
@@ -148,8 +183,9 @@ public class MarioComponent extends JComponent implements Runnable,
 		float averagePassedTime = 0;
 
 		boolean naiveTiming = true;
-		
-		///Not sure I understand the weird dichotomy between LevelScene and LevelInterface...
+
+		// /Not sure I understand the weird dichotomy between LevelScene and
+		// LevelInterface...
 		randomLevel = new LevelSceneCustom(graphicsConfiguration, this,
 				new Random().nextLong(), 0, 0, isCustom, levelGenerator);
 
@@ -161,8 +197,8 @@ public class MarioComponent extends JComponent implements Runnable,
 		randomLevel.init();
 		randomLevel.setSound(sound);
 		scene = randomLevel;
-		///
-		
+		// /
+
 		while (running) {
 			float lastTime = time;
 			time = (System.nanoTime() - startTime) / 1000000000f;

src/dk/itu/mario/engine/util/FileHandler.java

@@ -5,33 +5,27 @@ import java.io.FileReader;
 
 public class FileHandler {
 
-	public static String readFile(String fileName){
+	public static String readFile(String fileName) {
 		String info = "";
 		try {
 			FileReader input = new FileReader(fileName);
 			BufferedReader bufRead = new BufferedReader(input);
-			
-            String line; 
-            
-            int count = 0;	
-            line = bufRead.readLine();
-            info = line +"\n";
-            count++;
-            
-			
-            while (line != null){
-//                System.out.println(count+": "+line);
-                line = bufRead.readLine();
-                info += line + "\n";
-                count++;
-            }
-            
-            bufRead.close();
-			
-        }catch (Exception e){
-			// If another exception is generated, print a stack trace
-            e.printStackTrace();
-        }
-        return info;
+
+			String line;
+
+			line = bufRead.readLine();
+			info = line + "\n";
+
+			while (line != null) {
+				line = bufRead.readLine();
+				info += line + "\n";
+			}
+
+			bufRead.close();
+
+		} catch (Exception e) {
+			System.out.println("Unable to read from file: " + fileName +", returning empty String.");
+		}
+		return info;
 	}
 }