public void LoadAlienShooterState()
{
using (IsolatedStorageFile gameStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
//Initialize all objects as before
enemies = new List <AlienGameObject>();
for (int i = 0; i < maxEnemies; i++)
{
enemies.Add(new AlienGameObject(alienShooterSpriteSheet, "spaceship", screenRect));
}
//Initialize Player Object
heroShip = new UserGameObject(alienShooterSpriteSheet, "heroship", screenRect, maxMissiles);
heroShip.Position = new Vector2(screenRect.Width / 2, 720);
heroShip.LoadContent(content);
//Initialize Status Board
statusBoard = new GameStatusBoard(gameFont);
statusBoard.LoadContent(content);
//Set saved state on objects
if (gameStorage.FileExists(AlienShooterStateFileName))
{
using (IsolatedStorageFileStream fs =
gameStorage.OpenFile(AlienShooterStateFileName, System.IO.FileMode.Open))
{
using (StreamReader streamReader = new StreamReader(fs))
{
heroShip.Position = new Vector2(
(float)Convert.ToDouble(streamReader.ReadLine()),
(float)Convert.ToDouble(streamReader.ReadLine()));
heroShip.Velocity = new Vector2(
(float)Convert.ToDouble(streamReader.ReadLine()),
(float)Convert.ToDouble(streamReader.ReadLine()));
statusBoard.Score = Convert.ToInt32(streamReader.ReadLine());
statusBoard.Lives = Convert.ToInt32(streamReader.ReadLine());
for (int i = 0; i < maxEnemies; i++)
{
enemies[i].Alive = Convert.ToBoolean(streamReader.ReadLine());
enemies[i].Position = new Vector2(
(float)Convert.ToDouble(streamReader.ReadLine()),
(float)Convert.ToDouble(streamReader.ReadLine()));
enemies[i].Velocity = new Vector2(
(float)Convert.ToDouble(streamReader.ReadLine()),
(float)Convert.ToDouble(streamReader.ReadLine()));
}
streamReader.Close();
}
}
}
}
}
/// <summary>
/// Load graphics content for the game.
/// </summary>
public override void LoadContent()
{
if (content == null)
{
content = new ContentManager(ScreenManager.Game.Services, "Content");
}
gameFont = content.Load <SpriteFont>("gamefont");
alienShooterSpriteSheet = content.Load <SpriteSheet>("Sprites/AlienShooterSpriteSheet");
backgroundTexture = content.Load <Texture2D>("Textures/background");
backgroundPosition = new Vector2(0, 34);
//Get a pointer to the entire screen Rectangle
screenRect = ScreenManager.GraphicsDevice.Viewport.Bounds;
//Initialize Enemies collection
enemies = new List <AlienGameObject>();
for (int i = 0; i < maxEnemies; i++)
{
enemies.Add(new AlienGameObject(alienShooterSpriteSheet, "spaceship", screenRect));
}
//Initialize Player Object
heroShip = new UserGameObject(alienShooterSpriteSheet, "heroship", screenRect, maxMissiles);
heroShip.Position = new Vector2(screenRect.Width / 2, 720);
heroShip.LoadContent(content);
//Initialize Status Board
statusBoard = new GameStatusBoard(gameFont);
statusBoard.LoadContent(content);
// A real game would probably have more content than this sample, so
// it would take longer to load. We simulate that by delaying for a
// while, giving you a chance to admire the beautiful loading screen.
Thread.Sleep(1000);
// once the load has finished, we use ResetElapsedTime to tell the game's
// timing mechanism that we have just finished a very long frame, and that
// it should not try to catch up.
ScreenManager.Game.ResetElapsedTime();
}
