/// <summary>
/// Private constructor of a Session object.
/// </summary>
private Session(ScreenManager screenManager, GameplayScreen gameplayScreen)
{
// check the parameter
if (screenManager == null)
{
throw new ArgumentNullException("screenManager");
}
if (gameplayScreen == null)
{
throw new ArgumentNullException("gameplayScreen");
}
// assign the parameter
this.screenManager = screenManager;
this.gameplayScreen = gameplayScreen;
}
/// <summary>
/// Start a new session based on the data provided.
/// </summary>
public static void StartSession(StatisticsManager statisticsManager,
ScreenManager screenManager, GameplayScreen gameplayScreen)
{
// check the parameters
if (statisticsManager == null)
{
throw new ArgumentNullException("statisticsManager");
}
if (statisticsManager.LevelIndex < 0 || statisticsManager.LevelIndex >= Game.totalStages.Length)
{
throw new ArgumentNullException("levelIndex");
}
if (screenManager == null)
{
throw new ArgumentNullException("screenManager");
}
if (gameplayScreen == null)
{
throw new ArgumentNullException("gameplayScreen");
}
// end any existing session
EndSession();
// create a new singleton
singleton = new Session(screenManager, gameplayScreen);
// load the singleton's stats with the provided stats
singleton.statisticsManager = statisticsManager;
singleton.lastSavedStats = new StatisticsManager(statisticsManager);
// set up the initial level
LoadLevel();
// set up the HUD of the game.
HUD = new HUD();
}