Ejemplo n.º 1
0
        /// <summary>
        /// Draws the loading screen.
        /// </summary>
        public override void Draw(GameTime gameTime)
        {
            // If we are the only active screen, that means all the previous screens
            // must have finished transitioning off. We check for this in the Draw
            // method, rather than in Update, because it isn't enough just for the
            // screens to be gone: in order for the transition to look good we must
            // have actually drawn a frame without them before we perform the load.
            if ((ScreenState == ScreenState.Active) &&
                (ScreenManager.GetScreens().Length == 1))
            {
                otherScreensAreGone = true;
            }

            // The gameplay screen takes a while to load, so we display a loading
            // message while that is going on, but the menus load very quickly, and
            // it would look silly if we flashed this up for just a fraction of a
            // second while returning from the game to the menus. This parameter
            // tells us how long the loading is going to take, so we know whether
            // to bother drawing the message.
            if (loadingIsSlow)
            {
                SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
                SpriteFont  font        = ScreenManager.Font;

                string message = Resources.Loading;

                // Center the 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;

                Color color = Color.White * TransitionAlpha;

                // Animate the number of dots after our "Loading..." message.
                loadAnimationTimer += gameTime.ElapsedGameTime;

                int dotCount = (int)(loadAnimationTimer.TotalSeconds * 5) % 10;

                message += new string('.', dotCount);

                // Draw the text.
                spriteBatch.Begin();
                spriteBatch.DrawString(font, message, textPosition, color);
                spriteBatch.End();
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Activates the loading screen.
        /// </summary>
        public static void Load(ScreenManager screenManager, bool loadingIsSlow,
                                PlayerIndex?controllingPlayer,
                                params GameScreen[] screensToLoad)
        {
            // Tell all the current screens to transition off.
            foreach (GameScreen screen in screenManager.GetScreens())
            {
                screen.ExitScreen();
            }

            // Create and activate the loading screen.
            LoadingScreen loadingScreen = new LoadingScreen(screenManager,
                                                            loadingIsSlow,
                                                            screensToLoad);

            screenManager.AddScreen(loadingScreen, controllingPlayer);
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Internal method for leaving the network session. This disposes the
        /// session, removes the NetworkSessionComponent, and returns the user
        /// to the main menu screen.
        /// </summary>
        void LeaveSession()
        {
            // Destroy this NetworkSessionComponent.
            Dispose();

            // If we have a sessionEndMessage string explaining why the session has
            // ended (maybe this was a network disconnect, or perhaps the host kicked
            // us out?) create a message box to display this reason to the user.
            MessageBoxScreen messageBox;

            if (!string.IsNullOrEmpty(sessionEndMessage))
            {
                messageBox = new MessageBoxScreen(sessionEndMessage, false);
            }
            else
            {
                messageBox = null;
            }

            // At this point we want to return the user all the way to the main
            // menu screen. But what if they just joined a session? In that case
            // they went through this flow of screens:
            //
            //  - MainMenuScreen
            //  - CreateOrFindSessionsScreen
            //  - JoinSessionScreen (if joining, skipped if creating a new session)
            //  - LobbyScreeen
            //
            // If we have these previous screens on the history stack, and the user
            // backs out of the LobbyScreen, the right thing is just to pop off the
            // intermediate screens, returning them to the existing MainMenuScreen
            // instance without bothering to reload everything. But if the user is
            // in gameplay, or has been in gameplay and then returned to the lobby,
            // the screen stack will have been emptied.
            //
            // To do the right thing in both cases, we scan through the screen history
            // stack looking for a MainMenuScreen. If we find one, we pop any
            // subsequent screens so as to return back to it, while if we don't
            // find it, we just reset everything via the LoadingScreen.

            GameScreen[] screens = screenManager.GetScreens();

            // Look for the MainMenuScreen.
            for (int i = 0; i < screens.Length; i++)
            {
                if (screens [i] is MainMenuScreen)
                {
                    // If we found one, pop everything since then to return back to it.
                    for (int j = i + 1; j < screens.Length; j++)
                    {
                        screens [j].ExitScreen();
                    }

                    // Display the why-did-the-session-end message box.
                    if (messageBox != null)
                    {
                        screenManager.AddScreen(messageBox, null);
                    }

                    return;
                }
            }

            // If we didn't find an existing MainMenuScreen, reload everything.
            // The why-did-the-session-end message box will be displayed after
            // the loading screen has completed.
            LoadingScreen.Load(screenManager, false, null, new BackgroundScreen(),
                               new MainMenuScreen(),
                               messageBox);
        }
Ejemplo n.º 4
0
		/// <summary>
		/// Activates the loading screen.
		/// </summary>
		public static void Load (ScreenManager screenManager, bool loadingIsSlow,
				PlayerIndex? controllingPlayer,
				params GameScreen[] screensToLoad)
		{
			// Tell all the current screens to transition off.
			foreach (GameScreen screen in screenManager.GetScreens ())
				screen.ExitScreen ();

			// Create and activate the loading screen.
			LoadingScreen loadingScreen = new LoadingScreen (screenManager,
							loadingIsSlow,
							screensToLoad);

			screenManager.AddScreen (loadingScreen, controllingPlayer);
		}