public void Remove(ManagedGameComponent component)
{
Components.Remove(component);
_ComponentsToUpdate.Remove(component);
component.ComponentManager = null;
}
/// <summary>
/// The constructor is private: loading screens should
/// be activated via the static Load method instead.
/// </summary>
private Loader(ManagedGameComponent screenManager,
ManagedGameComponent loadingScreen,
ManagedGameComponent[] screensToLoad)
{
this._LoadingScreen = loadingScreen;
this._ScreensToLoad = screensToLoad;
TransitionOnTime = TimeSpan.FromSeconds(0.5);
}
/// <summary>
/// The constructor is private: loading screens should
/// be activated via the static Load method instead.
/// </summary>
private Loader(ManagedGameComponent screenManager,
ManagedGameComponent loadingScreen,
ManagedGameComponent[] screensToLoad)
{
this._LoadingScreen = loadingScreen;
this._ScreensToLoad = screensToLoad;
TransitionOnTime = TimeSpan.FromSeconds(0.5);
}
/// <summary>
/// Activates the loading screen.
/// </summary>
public static void Load(ManagedGameComponent componentManager,
ManagedGameComponent loadingScreen,
params ManagedGameComponent[] screensToLoad)
{
// Tell all the current screens to transition off.
foreach (ManagedGameComponent screen in componentManager.Components)
screen.ExitScreen();
// Create and activate the loading screen.
Loader _Loader = new Loader(componentManager,loadingScreen,screensToLoad);
componentManager.Add(_Loader);
}
public void Add(ManagedGameComponent component)
{
if (component.ComponentManager == null)
{
component.ComponentManager = this;
component.IsExiting = false;
Components.Add(component);
}
else
{
//exception here?
//throw new Exception("Component is already being managed by another component");
}
}
/// <summary>
/// Allows the screen to run logic, such as updating the transition position.
/// Unlike HandleInput, this method is called regardless of whether the screen
/// is active, hidden, or in the middle of a transition.
/// </summary>
///
public override void Update(GameTime gameTime)
{
// Read the keyboard and gamepad.
//input.Update();
// Make a copy of the master screen list, to avoid confusion if
// the process of updating one screen adds or removes others.
_ComponentsToUpdate.Clear();
foreach (ManagedGameComponent screen in Components)
{
_ComponentsToUpdate.Add(screen);
}
bool otherScreenHasFocus = !Game.IsActive;
bool coveredByOtherScreen = false;
// Loop as long as there are screens waiting to be updated.
while (_ComponentsToUpdate.Count > 0)
{
// Pop the topmost screen off the waiting list.
ManagedGameComponent screen = _ComponentsToUpdate[_ComponentsToUpdate.Count - 1];
_ComponentsToUpdate.RemoveAt(_ComponentsToUpdate.Count - 1);
// Update the screen.
screen.Update(gameTime);
screen.Update(gameTime, otherScreenHasFocus, coveredByOtherScreen);
if (screen.ScreenState == ScreenState.TransitionOn ||
screen.ScreenState == ScreenState.Active)
{
// If this is the first active screen we came across,
// give it a chance to handle input.
if (!otherScreenHasFocus)
{
//screen.HandleInput(input);
otherScreenHasFocus = true;
}
// If this is an active non-popup, inform any subsequent
// screens that they are covered by it.
if (!screen.IsPopup)
{
coveredByOtherScreen = true;
}
}
}
}
/// <summary>
/// Activates the loading screen.
/// </summary>
public static void Load(ManagedGameComponent componentManager,
ManagedGameComponent loadingScreen,
params ManagedGameComponent[] screensToLoad)
{
// Tell all the current screens to transition off.
foreach (ManagedGameComponent screen in componentManager.Components)
{
screen.ExitScreen();
}
// Create and activate the loading screen.
Loader _Loader = new Loader(componentManager, loadingScreen, screensToLoad);
componentManager.Add(_Loader);
}
public void Remove(ManagedGameComponent component)
{
Components.Remove(component);
_ComponentsToUpdate.Remove(component);
component.ComponentManager = null;
}
public void Add(ManagedGameComponent component)
{
if (component.ComponentManager == null)
{
component.ComponentManager = this;
component.IsExiting = false;
Components.Add(component);
}
else
{
//exception here?
//throw new Exception("Component is already being managed by another component");
}
}
