/// <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()
{
// Initilize spriteBatch
spriteBatch = new SpriteBatch(GraphicsDevice);
// Initilize managers
AudioManager = new AudioManager(this);
FontsManager = new FontsManager(this);
// Enable full screen
graphics.PreferredBackBufferWidth = GraphicsDevice.DisplayMode.Width;
graphics.PreferredBackBufferHeight = GraphicsDevice.DisplayMode.Height;
graphics.IsFullScreen = true;
graphics.ApplyChanges();
// Prepare start scene
AudioManager.Play(Audio.StartScene);
startScene = new StartScene(this, spriteBatch);
base.Initialize();
}
/// <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)
{
// Get milliseconds passed from the previous frame untill the current one
// Used to provide same user expierance regardless of frame rate
DeltaTime = gameTime.ElapsedGameTime.Milliseconds;
if (actionScene != null)
{
actionScene.Update();
}
if (startScene != null)
{
startScene.Update();
}
KeyboardState keyboardState = Keyboard.GetState();
// Selected menu
int selectedIndex = 0;
// Manage navigation logic and audio
if (startScene != null)
{
selectedIndex = startScene.Menu.SelectedIndex;
if (selectedIndex == 0 && keyboardState.IsKeyDown(Keys.Enter))
{
startScene = null;
actionScene = new ActionScene(this, spriteBatch);
}
else if (selectedIndex == 1 && keyboardState.IsKeyDown(Keys.Enter))
{
startScene = null;
leaderboardScene = new LeaderboardScene(this, spriteBatch);
AudioManager.Play(Audio.LeaderboardScene);
}
else if (selectedIndex == 2 && keyboardState.IsKeyDown(Keys.Enter))
{
startScene = null;
creditScene = new CreditScene(this, spriteBatch);
AudioManager.Play(Audio.CreditScene);
}
else if (selectedIndex == 3 && keyboardState.IsKeyDown(Keys.Enter))
{
startScene = null;
helpScene = new HelpScene(this, spriteBatch);
}
else if (selectedIndex == 4 && keyboardState.IsKeyDown(Keys.Enter))
{
Exit();
}
}
else if (actionScene != null || leaderboardScene != null || creditScene != null || helpScene != null)
{
// Escape goes back to main menu
if (keyboardState.IsKeyDown(Keys.Escape))
{
AudioManager.Play(Audio.StartScene);
actionScene = null;
leaderboardScene = null;
creditScene = null;
helpScene = null;
startScene = new StartScene(this, spriteBatch);
}
}
base.Update(gameTime);
}
