public void LoadScreen(IGameScreen screen)
{
_activeScreen?.UnloadContent();
_activeScreen?.Dispose();
screen.ScreenManager = this;
screen.Initialize();
screen.LoadContent();
_activeScreen = screen;
}
public void Switch(IGameScreen newScreen, double delay = 1000.0d)
{
newScreen.LoadContent(ContentManager);
lastScreen = currentScreen;
currentScreen = newScreen;
lastAlpha = 1.0f;
currentAlpha = 0.0f;
delayTime = delay;
delayCounter = 0.0d;
transition = true;
}
/// <summary>
/// Adds a <see cref="IGameScreen"/> to this manager.
/// </summary>
/// <param name="screen">The <see cref="IGameScreen"/> to add.</param>
/// <exception cref="ArgumentNullException"><paramref name="screen"/> is null.</exception>
/// <exception cref="ArgumentException"><paramref name="screen"/>'s <see cref="IScreenManager"/> is not
/// equal to this <see cref="IScreenManager"/>.</exception>
public void Add(IGameScreen screen)
{
if (screen == null)
{
throw new ArgumentNullException("screen");
}
if (screen.ScreenManager != this)
{
throw new ArgumentException("The screen's ScreenManager must be set to this ScreenManager.", "screen");
}
_screens.Add(screen.Name, screen);
screen.Initialize();
screen.LoadContent();
}
protected override void LoadContent()
{
base.LoadContent();
_activeScreen?.LoadContent();
}
public void SetScreen(IGameScreen screen)
{
currentScreen = screen;
currentScreen.LoadContent(ContentManager);
}
private void Present(IGameScreen gameScreen)
{
gameScreen.ScreenManager = this;
gameScreen.LoadContent();
this.CurrentScreen = gameScreen;
}
