Add GamePausedScreen.

src/de/teamteamteam/spacescooter/Main.java

@@ -29,12 +29,12 @@ public class Main {
 		final GameFrame gameFrame = new GameFrame();
 		
 		//Initialize SuperScreen and add to GameFrame, so we can call doPaint() on it.
-		SuperScreen superScreen = new SuperScreen(null);
-		gameFrame.setSuperScreen(superScreen);
+		final SuperScreen superScreen = new SuperScreen(null);
 		
 		//Initialize the GameFrame properly within the AWT EventQueue
 		EventQueue.invokeLater(new Runnable() {
 			public void run() {
+				gameFrame.setSuperScreen(superScreen);
 				gameFrame.init();
 				gameFrame.draw(); //Draw nothing for the first time.
 			}

src/de/teamteamteam/spacescooter/screen/GamePausedScreen.java

@@ -0,0 +1,34 @@
+package de.teamteamteam.spacescooter.screen;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.event.KeyEvent;
+
+import de.teamteamteam.spacescooter.control.Keyboard;
+import de.teamteamteam.spacescooter.utility.GameConfig;
+
+public class GamePausedScreen extends Screen {
+
+	public GamePausedScreen(Screen parent) {
+		super(parent);
+	}
+
+	@Override
+	protected void paint(Graphics g) {
+		g.setColor(new Color(0,0,120));
+		g.fillRect(0, 0, GameConfig.windowWidth, GameConfig.windowHeight);
+		g.setColor(new Color(255,255,255));
+		g.setFont(new Font("Monospace", 0, 50));
+		g.drawString("Pause Menu. LOL", 100, 100);
+		g.drawString("Press space to continue!", 100, 400);
+	}
+
+	@Override
+	protected void update() {
+		if(Keyboard.isKeyDown(KeyEvent.VK_SPACE)) {
+			this.parent.setOverlay(null);
+		}
+	}
+
+}

src/de/teamteamteam/spacescooter/screen/GameScreen.java

@@ -41,7 +41,7 @@ public class GameScreen extends Screen {
 			i.next().update();
 		}
 		if (Keyboard.isKeyDown(KeyEvent.VK_ESCAPE)) {
-			this.parent.setOverlay(new MainMenuScreen(this.parent));
+			this.setOverlay(new GamePausedScreen(this));
 		}
 	}
 

src/de/teamteamteam/spacescooter/screen/MainMenuScreen.java

@@ -7,7 +7,6 @@ import java.awt.Graphics;
 import java.awt.event.KeyEvent;
 
 import de.teamteamteam.spacescooter.control.Keyboard;
-import de.teamteamteam.spacescooter.entity.Entity;
 import de.teamteamteam.spacescooter.utility.GameConfig;
 
 public class MainMenuScreen extends Screen {
@@ -28,9 +27,9 @@ public class MainMenuScreen extends Screen {
 
 	@Override
 	public void update() {
-		for(Entity entity : this.entities) {
+		/*for(Entity entity : this.entities) {
 			entity.update();
-		}
+		}*/
 		if(Keyboard.isKeyDown(KeyEvent.VK_SPACE)) {
 			this.parent.setOverlay(new GameScreen(this.parent));
 		}

src/de/teamteamteam/spacescooter/screen/Screen.java

@@ -9,13 +9,13 @@ public abstract class Screen {
 
 	public static Screen currentScreen;
 	
-	protected Screen overlay;
+	public Screen overlay;
 	protected Screen parent;
 	
 	protected LinkedList<Entity> entities;
 	
 	public Screen(Screen parent) {
-		this.overlay = null;
+		this.setOverlay(null);
 		this.parent = parent;
 		this.entities = new LinkedList<Entity>();
 	}
@@ -43,13 +43,17 @@ public abstract class Screen {
 	public void doUpdate() {
 		if(this.overlay != null) {
 			this.overlay.doUpdate();
-			return;
+		} else {
+			this.update();
 		}
-		this.update();
 	}
 
 	public void setOverlay(Screen screen) {
 		this.overlay = screen;
-		Screen.currentScreen = screen;
+		if(screen == null) {
+			Screen.currentScreen = this;
+		} else {
+			Screen.currentScreen = screen;
+		}
 	}
 }