/**
     * The constructor for GameSetup is where you load in files and set up
     * variables that will be used for the rest of the game.
     */
    public GameSetup() {
        // Load in the map.
        Vector vect=null;
		try {
            ObjectInputStream ois=new ObjectInputStream(new FileInputStream("MRevMap.bin"));
            vect=(Vector)ois.readObject();
            firstScreen=(Screen)vect.elementAt(0);
        } catch(FileNotFoundException e) {
            e.printStackTrace();
        }
        catch(IOException e) {
            e.printStackTrace();
        }
        catch(ClassNotFoundException e) {
            e.printStackTrace();
        }

        // Setup basic variables.
        localPlayer=new MRevPlayer(new Location(firstScreen,10,10));
        firstScreen.addEntity(localPlayer);
        priorityQueue=new ListBasedPriorityQueue();

        // Set up the original queue.
        if(vect!=null) {
            for(int i=0; i<vect.size(); i++) {
                GameEntity ge=((Screen)vect.elementAt(i)).getFirstEntity();
				while(ge!=null) {
                    priorityQueue.add(ge);
	                ge=((Screen)vect.elementAt(i)).getNextEntity();
                }
            }
        }
    }