protected override void LoadContent()
        {
            //Create play state.
            var playState = new PlayState(GraphicsDevice, Content);

            playState.Initialize();
            playState.LoadLevel("Maps/debug0.tmx");

            keyboard.KeyDown += e => {
                if (e.Key == Keys.F2)
                {
                    playState.ReloadLevel();
                }
            };

            //screen.DebugProfilers.RegisterProfiler(typeof(Entity), new EntityDebugProfiler());
            //screen.DebugProfilers.RegisterProfiler(typeof(Player), new PlayerDebugProfiler());

            playState.Enabled = true;
            playState.Visible = true;

            //Load it into the manager.
            GameStateManager.AddState(playState);
        }