using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;

namespace WindowsGame7
{
     /// <summary>
     /// This is the main type for your game
     /// </summary>
     public class Game1 : Microsoft.Xna.Framework.Game
     {
         GraphicsDeviceManager graphics;
         SpriteBatch spriteBatch;
         Texture2D backgroundTexture;
         SpriteBatch sprites;
         ContentManager content;
         public Game1()
         {
             graphics = new GraphicsDeviceManager(this);
             Content.RootDirectory = "Content";
         }

         /// <summary>
         /// Allows the game to perform any initialization it needs to before starting to run.
         /// This is where it can query for any required services and load any non-graphic
         /// related content.  Calling base.Initialize will enumerate through any components
         /// and initialize them as well.
         /// </summary>
         protected override void Initialize()
         {
             backgroundTexture = content.Load<Texture2D>("CityGroundSmall");  
             sprites = new SpriteBatch(graphics.GraphicsDevice);
             base.Initialize();
         } // Initialize()

         /// <summary>
         /// LoadContent will be called once per game and is the place to load
         /// all of your content.
         /// </summary>
         protected override void LoadContent()
         {
             // Create a new SpriteBatch, which can be used to draw textures.
             spriteBatch = new SpriteBatch(GraphicsDevice);

             // TODO: use this.Content to load your game content here
         }

         /// <summary>
         /// UnloadContent will be called once per game and is the place to unload
         /// all content.
         /// </summary>
         protected override void UnloadContent()
         {
             // TODO: Unload any non ContentManager content here
         }

         /// <summary>
         /// Allows the game to run logic such as updating the world,
         /// checking for collisions, gathering input, and playing audio.
         /// </summary>
         /// <param name="gameTime">Provides a snapshot of timing values.</param>
         protected override void Update(GameTime gameTime)
         {
             // Allows the game to exit
             if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
                 this.Exit();

             // TODO: Add your update logic here

             base.Update(gameTime);
         }

         /// <summary>
         /// This is called when the game should draw itself.
         /// </summary>
         /// <param name="gameTime">Provides a snapshot of timing values.</param>
         protected override void Draw(GameTime gameTime)
         {
             graphics.GraphicsDevice.Clear(Color.Green);

             sprites.Begin();
             sprites.Draw(backgroundTexture, Vector2.Zero, Color.White);
             sprites.End();
             base.Draw(gameTime);
         } // Draw(gameTime)
     }
}