Implemented onExit in Wall

cicaprojekt/Wall.java

@@ -11,13 +11,20 @@ public class Wall extends Tile {
 			return;
 	}
 
-	public void clearStargate(){
+	public void clearStargate() {
-		sg = null;	
+		sg = null;		
 	}
 	
 	public void onEntry() {
+		if(sg == null) {
+			
+		}
+		else {
+			
+		}
 	}
 
 	public void onExit() {
+		throw new IllegalStateException("Hiba! Te hogy kerültél a falba?");
 	}
 }