public GameState(Game1 game, GameStateManager manager)
     : base(game)
 {
     StateManager = manager;
     childComponents = new List<GameComponent>();
     tag = this;
 }
        public void PushState(GameState newState)
        {
            drawOrder += drawOrderInc;
            newState.DrawOrder = drawOrder;

            AddState(newState);

            if (OnStateChange != null)
                OnStateChange(this, null);
        }
        public void ChangeState(GameState newState)
        {
            while (gameStates.Count > 0)
                RemoveState();

            newState.DrawOrder = startDrawOrder;
            drawOrder = startDrawOrder;

            AddState(newState);

            if (OnStateChange != null)
                OnStateChange(this, null);
        }
        private void AddState(GameState newState)
        {
            gameStates.Push(newState);

            Game.Components.Add(newState);

            OnStateChange += newState.StateChange;
        }