public LevelScene() {
   try {
     //            System.out.println("Java::LevelScene: loading tiles.dat...");
     //            System.out.println("LS: System.getProperty(\"user.dir()\") = " +
     // System.getProperty("user.dir"));
     Level.loadBehaviors(
         new DataInputStream(LevelScene.class.getResourceAsStream("resources/tiles.dat")));
   } catch (IOException e) {
     System.err.println(
         "[MarioAI ERROR] : error loading file resources/tiles.dat ; ensure this file exists in ch/idsia/benchmark/mario/engine ");
     e.printStackTrace();
     System.exit(0);
   }
 }