/// <summary>
/// Private constructor of a Session object.
/// </summary>
/// <remarks>
/// The lack of public constructors forces the singleton model.
/// </remarks>
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;
// create the HUD interface
this.hud = new Hud(screenManager);
this.hud.LoadContent();
}
/// <summary>
/// Start a new session, using the data in the given save game.
/// </summary>
/// <param name="saveGameDescription">The description of the save game.</param>
/// <param name="screenManager">The ScreenManager for the new session.</param>
public static void LoadSession(SaveGameDescription saveGameDescription,
ScreenManager screenManager, GameplayScreen gameplayScreen)
{
// check the parameters
if (saveGameDescription == null)
{
throw new ArgumentNullException("saveGameDescription");
}
if (screenManager == null)
{
throw new ArgumentNullException("screenManager");
}
if (gameplayScreen == null)
{
throw new ArgumentNullException("gameplayScreen");
}
// end any existing session
EndSession();
// create the new session
singleton = new Session(screenManager, gameplayScreen);
// get the storage device and load the session
GetStorageDevice(
delegate(StorageDevice storageDevice)
{
LoadSessionResult(storageDevice, saveGameDescription);
});
}
/// <summary>
/// Start a new session based on the data provided.
/// </summary>
public static void StartNewSession(GameStartDescription gameStartDescription,
ScreenManager screenManager, GameplayScreen gameplayScreen)
{
// check the parameters
if (gameStartDescription == null)
{
throw new ArgumentNullException("gameStartDescripton");
}
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);
// set up the initial map
ChangeMap(gameStartDescription.MapContentName, null);
// set up the initial party
ContentManager content = singleton.screenManager.Game.Content;
singleton.party = new Party(gameStartDescription, content);
// load the quest line
singleton.questLine = content.Load<QuestLine>(
Path.Combine(@"Quests\QuestLines",
gameStartDescription.QuestLineContentName)).Clone() as QuestLine;
}
