PendulumGame.PendulumMessageBoxScreen Class Reference

A popup message box screen, used to display "are you sure?" confirmation messages. More...

Inheritance diagram for PendulumGame.PendulumMessageBoxScreen:

List of all members.

Public Member Functions
	PendulumMessageBoxScreen (string message)
	Constructor automatically includes the standard "A=ok, B=cancel" usage text prompt.
	PendulumMessageBoxScreen (string message, bool includeUsageText)
	Constructor lets the caller specify whether to include the standard "A=ok, B=cancel" usage text prompt.
override void	LoadContent ()
	Loads graphics content for this screen. This uses the shared ContentManager provided by the Game class, so the content will remain loaded forever. Whenever a subsequent MessageBoxScreen tries to load this same content, it will just get back another reference to the already loaded data.
override void	HandleInput (InputState input)
	Responds to user input, accepting or cancelling the message box.
override void	Draw (GameTime gameTime)
	Draws the message box.
Events
EventHandler < PlayerIndexEventArgs >	Accepted
EventHandler < PlayerIndexEventArgs >	Cancelled

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Detailed Description

A popup message box screen, used to display "are you sure?" confirmation messages.

Definition at line 19 of file PendulumMessageBoxScreen.cs.

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Constructor & Destructor Documentation

PendulumGame.PendulumMessageBoxScreen.PendulumMessageBoxScreen

(

string

message

)

Constructor automatically includes the standard "A=ok, B=cancel" usage text prompt.

Definition at line 42 of file PendulumMessageBoxScreen.cs.

            : this(message, true)
        { }

PendulumGame.PendulumMessageBoxScreen.PendulumMessageBoxScreen	(	string	message,
		bool	includeUsageText
	)

Constructor lets the caller specify whether to include the standard "A=ok, B=cancel" usage text prompt.

Definition at line 51 of file PendulumMessageBoxScreen.cs.

        {
            const string usageText = "\nOK      : (A) button or [Enter]" +
                                     "\nCancel  : (B) button or [Esc]";

            if (includeUsageText)
                this.message = message + usageText;
            else
                this.message = message;

            IsPopup = true;

            TransitionOnTime = TimeSpan.FromSeconds(0.2);
            TransitionOffTime = TimeSpan.FromSeconds(0.2);
        }

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Member Function Documentation

override void PendulumGame.PendulumMessageBoxScreen.Draw

(

GameTime

gameTime

)

[virtual]

Draws the message box.

Reimplemented from NewGamePhysics.StateManager.GameScreen.

Definition at line 124 of file PendulumMessageBoxScreen.cs.

        {
            SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
            SpriteFont font = ScreenManager.Fonts["menu"];

            // Darken down any other screens that were drawn beneath the popup.
            ScreenManager.FadeBackBufferToBlack(TransitionAlpha * 2 / 3);

            // Center the message text in the viewport.
            Viewport viewport = ScreenManager.GraphicsDevice.Viewport;
            Vector2 viewportSize = new Vector2(viewport.Width, viewport.Height);
            Vector2 textSize = font.MeasureString(message);
            Vector2 textPosition = (viewportSize - textSize) / 2;

            // The background includes a border somewhat larger than the text itself.
            const int hPad = 32;
            const int vPad = 16;

            Rectangle backgroundRectangle = new Rectangle((int)textPosition.X - hPad,
                                                          (int)textPosition.Y - vPad,
                                                          (int)textSize.X + hPad * 2,
                                                          (int)textSize.Y + vPad * 2);

            // Fade the popup alpha during transitions.
            Color color = new Color(255, 255, 255, TransitionAlpha);

            spriteBatch.Begin();

            // Draw the background rectangle.
            spriteBatch.Draw(gradientTexture, backgroundRectangle, color);

            // Draw the message box text.
            spriteBatch.DrawString(font, message, textPosition, color);

            spriteBatch.End();
        }

override void PendulumGame.PendulumMessageBoxScreen.HandleInput

(

InputState

input

)

[virtual]

Responds to user input, accepting or cancelling the message box.

Reimplemented from NewGamePhysics.StateManager.GameScreen.

Definition at line 89 of file PendulumMessageBoxScreen.cs.

        {
            PlayerIndex playerIndex;

            // We pass in our ControllingPlayer, which may either be null (to
            // accept input from any player) or a specific index. If we pass a null
            // controlling player, the InputState helper returns to us which player
            // actually provided the input. We pass that through to our Accepted and
            // Cancelled events, so they can tell which player triggered them.
            if (input.IsMenuSelect(ControllingPlayer, out playerIndex))
            {
                // Raise the accepted event, then exit the message box.
                if (Accepted != null)
                    Accepted(this, new PlayerIndexEventArgs(playerIndex));

                ExitScreen();
            }
            else if (input.IsMenuCancel(ControllingPlayer, out playerIndex))
            {
                // Raise the cancelled event, then exit the message box.
                if (Cancelled != null)
                    Cancelled(this, new PlayerIndexEventArgs(playerIndex));

                ExitScreen();
            }
        }

override void PendulumGame.PendulumMessageBoxScreen.LoadContent

(

)

[virtual]

Loads graphics content for this screen. This uses the shared ContentManager provided by the Game class, so the content will remain loaded forever. Whenever a subsequent MessageBoxScreen tries to load this same content, it will just get back another reference to the already loaded data.

Reimplemented from NewGamePhysics.StateManager.GameScreen.

Definition at line 74 of file PendulumMessageBoxScreen.cs.

        {
            ContentManager content = ScreenManager.Game.Content;

            gradientTexture = content.Load<Texture2D>(@"Sprites\gradient");
        }

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The documentation for this class was generated from the following file:

• C:/Users/Andreas Schiffler/Desktop/SVN/NewGamePhysics/PendulumGame/Screens/PendulumMessageBoxScreen.cs