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 Video1
{
/// <summary>
/// This is the main type for your game
/// </summary>
public class Game1 : Microsoft.Xna.Framework.Game
{
GraphicsDeviceManager graphics;
SpriteBatch spriteBatch;

//создаем все необходимое для видео
Video video;
VideoPlayer player;
Texture2D videoTexture;

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()
{
// 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);

video = Content.Load<Video>("video");//грузим наше видео в формате wmv
player = new VideoPlayer();//создаем  плеер

// 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();

if (player.State == MediaState.Stopped)//если плеер остоновлен то включаем его
{
player.IsLooped = true;//зацикливаем проигрывание
player.Play(video);//плей
}
KeyboardState key = Keyboard.GetState();
if (key.IsKeyDown(Keys.A))
{
player.Resume();//возобновить проигрывание
}
if (key.IsKeyDown(Keys.B))
{
player.Pause();//пауза
}

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);

//если начинается проигрывание то
if (player.State != MediaState.Stopped)
videoTexture = player.GetTexture();

//создаем облость видимости
//текущее оkно
Rectangle screen = new Rectangle(GraphicsDevice.Viewport.X,
GraphicsDevice.Viewport.Y,
GraphicsDevice.Viewport.Width,
GraphicsDevice.Viewport.Height);

// и вывводим его на экран
if (videoTexture != null)
{
spriteBatch.Begin();
spriteBatch.Draw(videoTexture, screen, Color.White);
spriteBatch.End();
}

base.Draw(gameTime);
}
}
}