/// <summary>
/// Protected method that fires the collision event.
/// </summary>
/// <param name="killedMothership">Mothership that was hit by the laser</param>
/// <param name="points">Points received when mothership is killed</param>
protected void onMothershipCollision(MothershipSprite killedMothership, int points)
{
if (MothershipCollision != null)
{
MothershipCollision(killedMothership, points);
}
}
/// <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()
{
setWindowPosition();
//Creates the main menu
mainMenu = new MainMenu(this);
//Creates the game over menu
gameOverMenu = new GameOverMenu(this);
hsDisplay = new HighScoreDisplay(this, screenHeight, screenWidth);
//Generates the starfield
starfield = new Starfield(this, screenHeight);
laser = new LaserFactory(this, graphics.PreferredBackBufferHeight);
playerSprite = new PlayerSprite(this, laser);
bomb = new BombFactory(this, graphics.PreferredBackBufferHeight, playerSprite);
mothershipSprite = new MothershipSprite(this, laser);
alienSquad = new AlienSquad(this, screenWidth, screenHeight, bomb, laser, mothershipSprite, playerSprite);
score = new ScoreSprite(this, bomb, laser, alienSquad);
laser.SetAlienSquad(alienSquad);
laser.SetMothership(mothershipSprite);
Components.Add(new GamerServicesComponent(this));
Components.Add(starfield);
Components.Add(mainMenu);
Components.Add(gameOverMenu);
Components.Add(hsDisplay);
Components.Add(laser);
Components.Add(bomb);
Components.Add(playerSprite);
Components.Add(mothershipSprite);
Components.Add(alienSquad);
Components.Add(score);
base.Initialize();
}
// Constructor
public AlienSquad(Game1 game, int screenWidth, int screenHeight, BombFactory bomb, LaserFactory laser, MothershipSprite mothershipSprite, PlayerSprite playerSprite)
: base(game)
{
this.game = game;
this.screenWidth = screenWidth;
this.screenHeight = screenHeight;
this.bomb = bomb;
this.mothershipSprite = mothershipSprite;
this.playerSprite = playerSprite;
dir = Direction.RIGHT;
alienSquad = new AlienSprite[3, 8];
currentListPos = 0;
motionCtr = 0;
setAlienMotionPictures();
laser.AlienCollision += killAlien;
killedCount = 0;
level = 1;
alienLevel = 1;
aLaser = laser;
}
/// <summary>
/// Sets the Mothership instance variable to the object sent in as a parameter.
/// </summary>
/// <param name="mothership">An instance of a Mothership</param>
public void SetMothership(MothershipSprite mothership)
{
this.mothership = mothership;
}