gistfile1.cs

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;
using Microsoft.Xna.Framework.Net;
using Microsoft.Xna.Framework.Storage;

namespace Week07_Animation
{
    /// <summary>
    /// This is the main type for your game
    /// </summary>
    public class Game1 : Microsoft.Xna.Framework.Game
    {
        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;

        Animation human;
        Vector2 position = new Vector2(300.0f, 400.0f);
        SpriteEffects spriteEffect = SpriteEffects.None;

        Texture2D background1;
        Texture2D background2;

        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            graphics.PreferredBackBufferHeight = 600;
            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()
        {
            // TODO: Add your initialization logic here
            human = new Animation();
            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);

            background1 = Content.Load<Texture2D>("HillLayer");
            background2 = Content.Load<Texture2D>("SkyLayer"); 
            //player animations
            //stop
            human.AddCell(Content.Load<Texture2D>("walkCycle1")); //0
            //walk right 
            human.AddCell(Content.Load<Texture2D>("walkCycle2")); //1
            human.AddCell(Content.Load<Texture2D>("walkCycle3")); //2
            human.AddCell(Content.Load<Texture2D>("walkCycle4")); //3
            human.AddCell(Content.Load<Texture2D>("walkCycle5")); //4
            //kick
            human.AddCell(Content.Load<Texture2D>("kick1"));      //5
            human.AddCell(Content.Load<Texture2D>("kick2"));      //6
            human.AddCell(Content.Load<Texture2D>("kick3"));      //7

            human.Stop();
        }

        /// <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();

            human.Update(gameTime);
            
            UpdateInput();

            base.Update(gameTime);
        }


        public void UpdateInput()
        {
            KeyboardState keyState = Keyboard.GetState();
            float moveSpeed = 5.0f;

            if (keyState.IsKeyDown(Keys.Left))
            {
                //moving left, so subtract from position, and flip images
                //loop so he'll keep running only if I hold the key down
                position.X -= moveSpeed;
                spriteEffect = SpriteEffects.FlipHorizontally;
                human.Loop(1, 4, .5f);
            }
            else if (keyState.IsKeyDown(Keys.Right))
            {
                //moving right, so add to position, and don't flip images
                //loop so he'll keep running only if I hold the key down
                position.X += moveSpeed;
                spriteEffect = SpriteEffects.None;
                human.Loop(1, 4, .5f);
            }
            else
            {
                //not moving, so stop him and show stop frame
                human.Stop();
                human.GotoFrame(0);
            }

            if (keyState.IsKeyDown(Keys.K))
            {
                //kick animation, play once only
                //with play, the whole animation will play with one keypress
                human.Play(5, 7, .5f);
            }
        }

        /// <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);

            spriteBatch.Begin();
            spriteBatch.Draw(background2, Vector2.Zero, Color.White);
            spriteBatch.Draw(background1, Vector2.Zero, Color.White);

            spriteBatch.Draw(
                human.cellList[human.CurrentCell], 
                position, null, Color.White, 0, Vector2.Zero, 2.0f,
                spriteEffect, 0);
            spriteBatch.End();

            base.Draw(gameTime);
        }
    }
}