// creates the JFrame, and puts first room onto panel
 public static void main(String[] s) throws IOException {
   JFrame f = new JFrame();
   f.getContentPane().add(new Adventure());
   f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   f.pack();
   f.setVisible(true);
   Environment Layout = new Environment();
   wallLayout = Layout.walls(mapX, mapY);
 }
 // takes keyboard input to move player around, and to different rooms
 public void keyTyped(KeyEvent e) {
   c = e.getKeyChar();
   repaint();
   g = this.getGraphics();
   Environment Layout = new Environment();
   if (Layout.isWall(x, y, c, wallLayout)) {
   } else {
     if (c == 'a') {
       x = x - 3;
     } else if (c == 'w') {
       y = y - 3;
     } else if (c == 's') {
       y = y + 3;
     } else if (c == 'd') {
       x = x + 3;
     } else if (c == 'e') {
       getItem = !getItem;
     }
     int yDoor = Layout.isDoor(x, y, c, 'y', wallLayout);
     int xDoor = Layout.isDoor(x, y, c, 'x', wallLayout);
     if (xDoor != 0 || yDoor != 0) {
       mapY = mapY + yDoor;
       mapX = mapX + xDoor;
       wallLayout = Layout.walls(mapX, mapY);
       Layout.drawRoom(mapX, mapY, g);
       if (xDoor == -1) {
         x = 760;
       } else if (xDoor == 1) {
         x = 40;
       } else if (yDoor == -1) {
         y = 460;
       } else if (yDoor == 1) {
         y = 40;
       }
     }
   }
 }