C# Class GameStateManagement.GameScreen

A screen is a single layer that has update and draw logic, and which can be combined with other layers to build up a complex menu system. For instance the main menu, the options menu, the "are you sure you want to quit" message box, and the main game itself are all implemented as screens.

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Public Methods

Method	Description
Draw ( GameTime gameTime ) : void	This is called when the screen should draw itself.
ExitScreen ( ) : void	Tells the screen to go away. Unlike ScreenManager.RemoveScreen, which instantly kills the screen, this method respects the transition timings and will give the screen a chance to gradually transition off.
HandleInput ( InputState input ) : void	Allows the screen to handle user input. Unlike Update, this method is only called when the screen is active, and not when some other screen has taken the focus.
LoadContent ( ) : void	Load graphics content for the screen.
UnloadContent ( ) : void	Unload content for the screen.
Update ( GameTime gameTime, bool otherScreenHasFocus, bool coveredByOtherScreen ) : void	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.

Private Methods

Method	Description
UpdateTransition ( GameTime gameTime, System.TimeSpan time, int direction ) : bool	Helper for updating the screen transition position.

Method Details

Draw() public method

This is called when the screen should draw itself.

public Draw ( GameTime gameTime ) : void
gameTime	Microsoft.Xna.Framework.GameTime
return	void

ExitScreen() public method

Tells the screen to go away. Unlike ScreenManager.RemoveScreen, which instantly kills the screen, this method respects the transition timings and will give the screen a chance to gradually transition off.

public ExitScreen ( ) : void
return	void

HandleInput() public method

Allows the screen to handle user input. Unlike Update, this method is only called when the screen is active, and not when some other screen has taken the focus.

public HandleInput ( InputState input ) : void
input	InputState
return	void

LoadContent() public method

Load graphics content for the screen.

public LoadContent ( ) : void
return	void

UnloadContent() public method

Unload content for the screen.

public UnloadContent ( ) : void
return	void

Update() public method

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.

public Update ( GameTime gameTime, bool otherScreenHasFocus, bool coveredByOtherScreen ) : void
gameTime	Microsoft.Xna.Framework.GameTime
otherScreenHasFocus	bool
coveredByOtherScreen	bool
return	void