/// <summary>
/// Allows the game to run logic such as updating the world, checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
#region FPSTracking
/*//Update FPS
elapsedTime += (float)gameTime.ElapsedGameTime.TotalMilliseconds;
totalFrames++;
//1 Second has passed
if (elapsedTime > 1000.0f)
{
fps = totalFrames;
totalFrames = 0;
elapsedTime = 0;
Window.Title = fps.ToString();
}*/
#endregion
#region MenuNavigation
int selectedIndex = 0;
KeyboardState ks = Keyboard.GetState();
//Handle menu navigation
if (baseScene == startScene)
{
//Return to START scene from all sub-scenes
if (ks.IsKeyDown(Keys.Escape))
{
hideAllScenes();
startScene.Show();
enabledScene = startScene;
}
if (enabledScene == startScene)
{
//Get the selected item index from the menu
selectedIndex = startScene.Menu.SelectedIndex;
//Display the corresponding sub-scene based on user selection
if (selectedIndex == (int)MenuItemTitles.START && ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Display the Game scene
hideAllScenes();
//Reset game (to selected level)
actionScene.Reset(this, spriteBatch, levelList[0]);
//actionScene.Reset(this, spriteBatch, "Debug");
currentLevel = 1;
actionScene.Show();
baseScene = actionScene;
enabledScene = actionScene;
}
else if (selectedIndex == (int)MenuItemTitles.SELECT && ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Remove level selector scene
if (levelSelectScene != null)
{
scenes.Remove(levelSelectScene);
this.Components.Remove(levelSelectScene);
}
//Create a new level selector scene
levelSelectScene = new LevelSelectScene(this, spriteBatch, levelSelectBackground, NUMBER_OF_LEVELS, Utilities.Utilities.CheckLevelProgression());
scenes.Add(levelSelectScene);
this.Components.Add(levelSelectScene);
//Display the LevelSelector scene
hideAllScenes();
levelSelectScene.Show();
enabledScene = levelSelectScene;
}
else if (selectedIndex == (int)MenuItemTitles.HELP && ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Display the HELP scene
hideAllScenes();
helpScene.Show();
enabledScene = helpScene;
}
else if (selectedIndex == (int)MenuItemTitles.ABOUT && ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Display the ABOUT scene
hideAllScenes();
aboutScene.Show();
enabledScene = aboutScene;
}
else if (selectedIndex == (int)MenuItemTitles.HIGH_SCORE && ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Remove old high score scene
if (highScoreScene != null)
{
scenes.Remove(highScoreScene);
this.Components.Remove(highScoreScene);
}
//Create a new high score scene
highScoreScene = new HighScoreScene(this, spriteBatch, highScoreSceneBackground);
scenes.Add(highScoreScene);
this.Components.Add(highScoreScene);
//Display the high score screen
hideAllScenes();
highScoreScene.Show();
enabledScene = highScoreScene;
}
else if (selectedIndex == (int)MenuItemTitles.HOW_TO && ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Display the HowToPlay scene
hideAllScenes();
howToPlayScene.Show();
enabledScene = howToPlayScene;
}
else if (selectedIndex == (int)MenuItemTitles.QUIT && ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Exit
Exit();
}
}
else if (enabledScene == levelSelectScene)
{
//DEBUG - Reset Level Progression
if (ks.IsKeyDown(Keys.OemTilde) && ks.IsKeyDown(Keys.R))
{
Utilities.Utilities.ResetLevelProgression();
}
if (ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Get the selected item index from the level selector menu
int selectedLevelIndex = levelSelectScene.SelectedIndex;
//Display the Game scene
hideAllScenes();
//Load selected level
actionScene.Reset(this, spriteBatch, levelList[selectedLevelIndex]);
currentLevel = selectedLevelIndex + 1;
actionScene.Show();
baseScene = actionScene;
enabledScene = actionScene;
}
}
else if (enabledScene == highScoreScene)
{
//DEBUG - Reset the HighScores
if (ks.IsKeyDown(Keys.OemTilde) && ks.IsKeyDown(Keys.R))
{
Utilities.Utilities.ResetHighScores();
}
if (ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
hideAllScenes();
startScene.Show();
enabledScene = startScene;
}
}
else if ((enabledScene == highScoreScene || enabledScene == helpScene || enabledScene == aboutScene || enabledScene == howToPlayScene) &&
(ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter)))
{
hideAllScenes();
startScene.Show();
enabledScene = startScene;
}
}
else if (baseScene == actionScene)
{
if (enabledScene == actionScene)
{
//Display pause menu
if (ks.IsKeyDown(Keys.Escape) && oldState.IsKeyUp(Keys.Escape))
{
//Pause the game
actionScene.DisableComponents();
//Show the pause menu
pauseMenuScene.Menu.SelectedIndex = 0;
pauseMenuScene.Show();
baseScene = pauseMenuScene;
enabledScene = pauseMenuScene;
}
//Display the LevelOver menu when the level ends
if (actionScene.Character.LevelComplete == true)
{
//Display the LevelOver menu if it is not the last level
if (currentLevel < NUMBER_OF_LEVELS)
{
//Pause the game
actionScene.DisableComponents();
//Update the Level Progression if necessary
if (currentLevel + 1 > Utilities.Utilities.CheckLevelProgression())
{
Utilities.Utilities.UpdateLevelProgression(currentLevel + 1);
}
//Remove the current LevelOver menu scene if one exists
if (levelOverScene != null)
{
scenes.Remove(levelOverScene);
this.Components.Remove(levelOverScene);
}
//Create a new LevelOver menu scene
levelOverScene = new LevelOverScene(this, spriteBatch, levelOverSceneBackground, actionScene.Character.Score);
scenes.Add(levelOverScene);
this.Components.Add(levelOverScene);
//Show the LevelOver menu
levelOverScene.Show();
baseScene = actionScene;
enabledScene = levelOverScene;
//Reset the level over tracker
actionScene.Character.LevelComplete = false;
}
//Display the GameOver menu if the last level has been completed
else
{
//Set game over to true
actionScene.GameOver = true;
actionScene.Character.LevelComplete = false;
//Update the Level Progression file
Utilities.Utilities.UpdateLevelProgression(NUMBER_OF_LEVELS);
//Play the game over sound effect
SoundEffect gameOver = Content.Load<SoundEffect>("Sounds/GameOver");
gameOver.Play();
}
}
//Display the Game Over menu when the game ends (player dies)
if (actionScene.GameOver == true)
{
//Pause the game
actionScene.DisableComponents();
//Remove the current GameOver menu scene if one exists
if (gameOverMenuScene != null)
{
scenes.Remove(gameOverMenuScene);
this.Components.Remove(gameOverMenuScene);
}
//Create a new GameOver menu scene
gameOverMenuScene = new GameOverMenuScene(this, spriteBatch, gameOverSceneBackground, actionScene.Character.Score);
scenes.Add(gameOverMenuScene);
this.Components.Add(gameOverMenuScene);
//Show the GameOver menu
gameOverMenuScene.Show();
baseScene = gameOverMenuScene;
enabledScene = gameOverMenuScene;
}
}
else if (enabledScene == levelOverScene)
{
//Advance to the next level
if (ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter))
{
//Display the Game scene
hideAllScenes();
//Load selected level
actionScene.Reset(this, spriteBatch, levelList[++currentLevel - 1], actionScene.Character.Score, actionScene.Character.Lives);
actionScene.Show();
baseScene = actionScene;
enabledScene = actionScene;
}
}
}
else if (baseScene == pauseMenuScene)
{
if (enabledScene == pauseMenuScene)
{
//Get the selected menu item index from the Pause menu
selectedIndex = pauseMenuScene.Menu.SelectedIndex;
//Unpause the game
if (selectedIndex == (int)PauseMenuItems.RESUME && ks.IsKeyDown(Keys.Enter))
{
actionScene.EnableComponents();
pauseMenuScene.Hide();
baseScene = actionScene;
enabledScene = actionScene;
}
//Return to Main Menu (and reset game)
if (selectedIndex == (int)PauseMenuItems.MAIN_MENU && ks.IsKeyDown(Keys.Enter))
{
hideAllScenes();
startScene.Show();
baseScene = startScene;
enabledScene = startScene;
}
//Display How To Play menu
if (selectedIndex == (int)PauseMenuItems.HOW_TO && (ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter)))
{
pauseMenuScene.Hide();
howToPlayScene.Show();
enabledScene = howToPlayScene;
}
//Exit the game
if (selectedIndex == (int)PauseMenuItems.QUIT && ks.IsKeyDown(Keys.Enter))
{
Exit();
}
}
else if (enabledScene == howToPlayScene)
{
//Return to the pause menu
if (ks.IsKeyDown(Keys.Escape) || (ks.IsKeyDown(Keys.Enter) && oldState.IsKeyUp(Keys.Enter)))
{
howToPlayScene.Hide();
pauseMenuScene.Show();
enabledScene = pauseMenuScene;
}
}
}
else if (baseScene == gameOverMenuScene)
{
//Handle game over event
if (gameOverMenuScene.Enabled)
{
//Return to the Main Menu (and reset game)
if (gameOverMenuScene.HighScoreComponent.NameEntered == true && ks.IsKeyDown(Keys.Enter))
{
hideAllScenes();
startScene.Show();
startScene.Menu.SelectedIndex = 0;
baseScene = startScene;
enabledScene = startScene;
}
}
}
else if (!startScene.Enabled)
{
//Should never get here!!!
if (ks.IsKeyDown(Keys.Escape))
{
hideAllScenes();
startScene.Show();
enabledScene = startScene;
}
}
//Set the old keystate to the current keystate
oldState = ks;
#endregion
//Debug Mode
if (ks.IsKeyDown(Keys.Space))
{
Console.WriteLine("Debug Mode");
}
//Background music
if (MediaPlayer.State != MediaState.Playing)
{
if (++backgroundMusicCounter > backgroundMusic.Count - 1)
{
backgroundMusicCounter = 0;
}
MediaPlayer.Play(backgroundMusic[backgroundMusicCounter]);
}
base.Update(gameTime);
}
