public static void Initialize()
{
// Get the path of the save game
string fullpath = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, GameConstants.LEADERBOARDS_FILE_NAME);
// Check to see if the save exists
if (!File.Exists(fullpath))
{
//If the file doesn't exist, make a fake one...
// Create the data to save
HighScoreData data = new HighScoreData(5);
data.PlayerName[0] = "CPU";
data.Score[0] = 2000;
data.PlayerName[1] = "CPU";
data.Score[1] = 1000;
data.PlayerName[2] = "CPU";
data.Score[2] = 500;
data.PlayerName[3] = "CPU";
data.Score[3] = 100;
data.PlayerName[4] = "CPU";
data.Score[4] = 50;
SaveHighScores(data);
}
}
public void SaveHighScore(int score, string name)
{
// Create the data to save
HighScoreData data = LoadHighScores();
int scoreIndex = -1;
for (int i = 0; i < data.Count; i++)
{
if (score > data.Score[i])
{
scoreIndex = i;
break;
}
}
if (scoreIndex > -1)
{
//New high score found ... do swaps
for (int i = data.Count - 1; i > scoreIndex; i--)
{
data.PlayerName[i] = data.PlayerName[i - 1];
data.Score[i] = data.Score[i - 1];
}
data.PlayerName[scoreIndex] = name;
data.Score[scoreIndex] = score;
SaveHighScores(data);
}
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
RandomNumberGenerator.Initialize();
HighScoreData.Initialize();
_ship = new Ship(Content, "Ship", new Vector2(GameConstants.WINDOW_WIDTH / 2, GameConstants.WINDOW_HEIGHT / 2));
_asteroids = new List <Asteroid>();
_projectiles = new List <Projectile>();
_menu = new Menu(Content);
_player = new Player(Content, "baseFont", new Vector2(GameConstants.WINDOW_WIDTH / 2, GameConstants.WINDOW_HEIGHT / 2));
_score = new Score(Content, new string[] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" });
base.Initialize();
}
public void Draw(SpriteBatch spriteBatch)
{
if (_gameState != GameState.PLAYING && _gameState != GameState.GAMEOVER && _gameState != GameState.NAME_ENTRY)
{
spriteBatch.Draw(_background, Vector2.Zero, Color.White);
}
if (_gameState == GameState.GAMEOVER)
{
spriteBatch.Draw(_backgroundGameOver, Vector2.Zero, Color.White);
spriteBatch.Draw(_playAgainButton, _playAgainPosition, Color.White);
spriteBatch.Draw(_mainMenuButton, _mainMenuPosition, Color.White);
}
if (_gameState == GameState.STARTUP)
{
spriteBatch.Draw(_startButton, _startResumePosition, Color.White);
spriteBatch.Draw(_controlsButton, _controlsPosition, Color.White);
spriteBatch.Draw(_leaderboardsButton, _leaderboardsPosition, Color.White);
}
if (_gameState == GameState.NAME_ENTRY)
{
Vector2 nameCommandPos = new Vector2(
GameConstants.WINDOW_WIDTH / 2 - _font.MeasureString(GameConstants.MENU_ENTER_NAME_COMMAND).X / 2,
GameConstants.WINDOW_HEIGHT / 2 - _font.MeasureString(GameConstants.MENU_ENTER_NAME_COMMAND).Y / 2 - GameConstants.MENU_ENTER_NAME_COMMAND_MARGIN);
spriteBatch.DrawString(_font, GameConstants.MENU_ENTER_NAME_COMMAND, nameCommandPos, Color.White);
}
if (_gameState == GameState.PAUSED)
{
spriteBatch.Draw(_resumeButton, _startResumePosition, Color.White);
spriteBatch.Draw(_controlsButton, _controlsPosition, Color.White);
spriteBatch.Draw(_leaderboardsButton, _leaderboardsPosition, Color.White);
}
if (_showControls && _gameState != GameState.PLAYING && _gameState != GameState.GAMEOVER)
{
spriteBatch.Draw(_controls, new Vector2(GameConstants.WINDOW_WIDTH / 2, GameConstants.MENU_BUTTON_AREA_Y), Color.White);
}
if (_showLeaderboards && _gameState != GameState.PLAYING && _gameState != GameState.GAMEOVER)
{
HighScoreData data = HighScoreData.LoadHighScores();
for (int i = 0; i < data.Count; i++)
{
spriteBatch.DrawString(_font, data.PlayerName[i], new Vector2(GameConstants.WINDOW_WIDTH / 2, GameConstants.MENU_LEADERBOARD_Y + GameConstants.MENU_LEADERBOARD_MARGIN_Y * i), Color.White);
spriteBatch.DrawString(_font, data.Score[i].ToString(), new Vector2(GameConstants.WINDOW_WIDTH / 2 + GameConstants.MENU_LEADERBOARD_MARGIN_X, GameConstants.MENU_LEADERBOARD_Y + GameConstants.MENU_LEADERBOARD_MARGIN_Y * i), Color.White);
}
}
}
public static void SaveHighScores(HighScoreData data)
{
// Get the path of the save game
string fullpath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, GameConstants.LEADERBOARDS_FILE_NAME);
// Open the file, creating it if necessary
FileStream stream = File.Open(fullpath, FileMode.OpenOrCreate);
try
{
// Convert the object to XML data and put it in the stream
XmlSerializer serializer = new XmlSerializer(typeof(HighScoreData));
serializer.Serialize(stream, data);
}
finally
{
// Close the file
stream.Close();
}
}
/// <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)
{
KeyboardState currentKeyboardState = Keyboard.GetState();
MouseState mouseState = Mouse.GetState();
#region Mouse Visibility Support
if (_menu.Gamestate != GameState.PLAYING)
{
IsMouseVisible = true;
}
else
{
IsMouseVisible = false;
}
#endregion
#region Menu Support
if (currentKeyboardState.IsKeyDown(Keys.Escape) && _oldKeyboardState.IsKeyUp(Keys.Escape) && _menu.Gamestate == GameState.PLAYING)
{
_menu.Gamestate = GameState.PAUSED;
_menu.ShowControls = true;
_menu.ShowLeaderboards = false;
}
else if (currentKeyboardState.IsKeyDown(Keys.Escape) && _oldKeyboardState.IsKeyUp(Keys.Escape) && _menu.Gamestate == GameState.PAUSED)
{
_menu.Gamestate = GameState.PLAYING;
}
if (_restart == true)
{
PlayAgain();
}
if (_canStart == true && _menu.Gamestate != GameState.GAMEOVER)
{
StartGame();
}
if (_updateLeaderboard)
{
HighScoreData.LoadHighScores().SaveHighScore(_score.CurrentScore, _player.Name);
_updateLeaderboard = false;
}
#endregion
#region Updates
_menu.Update(mouseState);
_player.Update(_menu.Gamestate, currentKeyboardState);
#endregion
#region GameObject Updates
if (_menu.Gamestate == GameState.PLAYING)
{
if (_ship.IsAlive)
{
_ship.Update(gameTime, Keyboard.GetState(), _menu.Gamestate);
UpdateAsteroids(gameTime);
UpdateProjectiles(gameTime);
GenerateNewAsteroids();
}
#region Collision Support
CheckOutOfBounds();
ResolveShipAsteroidCollision();
ResolveAsteroidProjectileCollision();
CheckShipHealth();
#endregion
#region Cleaning Support
ClearFinishedExplosions();
ClearOffScreenProjectiles();
ClearDestroyedAsteroids();
#endregion
UpdateExplosions(gameTime);
}
#endregion
_oldKeyboardState = currentKeyboardState;
base.Update(gameTime);
}
