MonoGame.Samples/StarterKits/iOS/Marblets/GameScreen.cs

#region File Description
//-----------------------------------------------------------------------------
// GameScreen.cs
//
// Microsoft XNA Community Game Platform
// Copyright (C) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
#endregion

// #define TutorialVersion //Uncomment this line to play the tutorial version

#region Using Statements
using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
#endregion

namespace Marblets
{
	/// <summary>
	/// GameScreen is the screen that is loaded to play Marblets
	/// </summary>
	class GameScreen : Screen
	{
		private GameBoard board;
		private Texture2D gameOver;

		public GameScreen(Game game, string backgroundImage, SoundEntry backgroundMusic)
			: base(game, backgroundImage, backgroundMusic)
		{

			//Remove the define at the top of the file to play the tutorial version
			bool tutorialVersion = false;
#if TutorialVersion
            tutorialVersion = true;
#endif
			if(tutorialVersion)
			{
				board = new TutorialGameBoard(this.Game);
			}
			else
			{
				board = new GameBoard(this.Game);
			}
		}

		public override void Initialize()
		{
			base.Initialize();
			board.Initialize();
		}

		public override void Update(GameTime gameTime)
		{
			base.Update(gameTime);
			board.Update(gameTime);

			if(board.GameOver && (InputHelper.GamePads[PlayerIndex.One].APressed || Clicked))
			{
				MarbletsGame.NextGameState = GameState.Started;
			}
		}

		protected override void LoadContent()
		{
			gameOver = MarbletsGame.Content.Load<Texture2D>("Textures/game_over_frame");
			base.LoadContent();
		}


		public override void Draw(GameTime gameTime)
		{
			base.Draw(gameTime);

			SpriteBatch.Begin();

			board.Draw(SpriteBatch);

			//Draw Score
			Font.Draw(SpriteBatch, FontStyle.Small, 20, 440,
					  String.Format("{0:###,##0}", MarbletsGame.Score));

			if(board.GameOver)
			{
				SpriteBatch.Draw(gameOver, new Vector2(0, 60), Color.White);
			}

			SpriteBatch.End();

		}

		public void NewGame()
		{
			board.NewGame();
		}
	}
}