Intermission #4 - Moving to Windows Phone

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.Input.Touch;
using Microsoft.Xna.Framework.Media;

namespace XNAStarTrooper2D_Phone7
{
    /// <summary>
    /// This is the main type for your game
    /// </summary>
    public class Game1 : Microsoft.Xna.Framework.Game
    {
        public static GraphicsDeviceManager graphics;
        public static SpriteBatch spriteBatch;

        //Game management related properties
        static List<Sprite> m_Sprites = new List<Sprite>();
        static List<Sprite> m_ZOrderedSprites = new List<Sprite>();
        static List<Sprite> m_DeletedSprites = new List<Sprite>();
        static List<Sprite> m_AddedSprites = new List<Sprite>();

        static List<Text2D> m_Text2Ds = new List<Text2D>();
        static List<Text2D> m_DeletedText2Ds = new List<Text2D>();
        static List<Text2D> m_AddedText2Ds = new List<Text2D>();

        static List<SoundEffect> m_Sounds = new List<SoundEffect>();
        static List<SoundEffectInstance> m_Music = new List<SoundEffectInstance>();

        private const int TargetFrameRate = 60;
        private const int m_BackBufferWidth = 480;
        private const int m_BackBufferHeight = 800;

        public static Trooper Trooper;
        public static Condor Condor;

        Random m_Random = new Random();

        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            Content.RootDirectory = "Content";

            // Frame rate is 30 fps by default for Windows Phone.
            TargetElapsedTime = TimeSpan.FromTicks(333333);

            // Pre-autoscale settings.
            graphics.PreferredBackBufferWidth = m_BackBufferWidth;
            graphics.PreferredBackBufferHeight = m_BackBufferHeight;
        }

        /// <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()
        {
            // TODO: Add your initialization logic here

            base.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

            LoadResources();

        }

        /// <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
            InternalUpdate(); // <- Added Sprite update function 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)
        {
            GraphicsDevice.Clear(Color.CornflowerBlue);

            // TODO: Add your drawing code here
            m_ZOrderedSprites.Sort(Sprite.ComparisonZOrder);// <- Added Sprite draw code here

            foreach (Sprite s in m_ZOrderedSprites)
                s.Draw(gameTime, spriteBatch);

            foreach (Text2D t in m_Text2Ds)
                t.Draw(gameTime, spriteBatch);

            base.Draw(gameTime);
        }

        void InternalUpdate()
        {
            foreach (Sprite s in m_AddedSprites)
            {
                m_Sprites.Add(s);
                m_ZOrderedSprites.Add(s);
            }
            m_AddedSprites.Clear();

            foreach (Sprite s in m_DeletedSprites)
            {
                m_Sprites.Remove(s);
                m_ZOrderedSprites.Remove(s);
            }
            m_DeletedSprites.Clear();

            foreach (Sprite s in m_Sprites)
                s.InternalUpdate();

            foreach (Sprite s in m_Sprites)
                s.Update();

            foreach (Text2D t in m_AddedText2Ds)
                m_Text2Ds.Add(t);
            m_AddedText2Ds.Clear();

            foreach (Text2D t in m_DeletedText2Ds)
                m_Text2Ds.Remove(t);
            m_DeletedText2Ds.Clear();

            foreach (Text2D t in m_Text2Ds)
                t.InternalUpdate();

        }

        public void LoadResources()
        {

            #region Background
            //Type the code here to add the background to the game.

            Texture2D background = Content.Load<Texture2D>(@"Pictures\background");

            Background bg = new Background(background);

            bg.Position = new Vector2(0, m_BackBufferHeight / 2);
            bg.ScaleX = BackBufferWidth / (float)background.Width;
            bg.ScaleY = BackBufferHeight / (float)background.Height;
            bg.ZOrder = 10;

            m_AddedSprites.Add(bg);

            Background bg2 = (Background)bg.Clone();
            bg2.Position = new Vector2(0, -BackBufferHeight / 2);
            bg2.ScaleX = BackBufferWidth / background.Width;
            bg2.ScaleY = BackBufferHeight / background.Height;
            bg2.ZOrder = 10;

            m_AddedSprites.Add(bg2);

            #endregion

            #region Trooper
            //Type the code here to add the Trooper sprite.
            Trooper trooper = new Trooper(Content.Load<Texture2D>(@"Pictures\TrooperSpritesheet"), 6, true);
            trooper.Position = new Vector2(BackBufferWidth / 2, BackBufferHeight - 50);
            m_AddedSprites.Add(trooper);

            Trooper = trooper;
            #endregion

            #region Condor
            //Type the code here to add the Condor sprite.
            Condor condor = new Condor();

            Animation condorAnimation = new Animation(Content.Load<Texture2D>(@"Pictures\CondorSpritesheet"), 4);

            condorAnimation.Play();
            condorAnimation.Loop = true;

            int[] ExplosionDelay = { 4, 3, 4 };
            Animation condorExplosion = new Animation(Content.Load<Texture2D>(@"Pictures\CondorExplosionSpritesheet"), 3, ExplosionDelay);

            condorExplosion.Play();

            condor.AddAnimation(condorAnimation);
            condor.AddAnimation(condorExplosion);
            Condor = condor;

            #endregion
        }

        #region Properties
        public static float BackBufferWidth { get { return (float)m_BackBufferWidth ;}  }
        public static float BackBufferHeight { get { return (float)m_BackBufferHeight ;}  }
        #endregion

    }
}

public class Sprite : ICloneable

public class Animation : iCloneable

public class Sprite

public class Animation