/// <summary>
/// </summary>
/// <param name = "gameState"></param>
/// <param name = "loadingGameState"></param>
public void LoadGameState(GameState gameState, LoadingGameState loadingGameState)
{
if (_hideActive)
{
_hideActive = false;
}
if (gameState == null)
{
throw new ArgumentNullException("gameState");
}
// If a LoadingGameState is already associated with the Application and isn't the same as the provided one, we dispose it for replacement
if (_loadingGameState != null && _loadingGameState != loadingGameState)
{
_loadingGameState.Dispose();
_loadingGameState = null;
GC.Collect();
}
// We load the LoadingGameState synchronously to avoid waiting and we make sure it will render instead of the ActiveGameState.
if (loadingGameState != null)
{
_loadingGameState = loadingGameState;
_loadingGameState.Initialize();
_loadingGameState.Load();
_loadingGameState.ShouldRenderLoadedGameState = false;
}
// We associate the GameState currently being loaded so that we can retrieve its loading percentage.
if (_loadingGameState != null)
{
_loadingGameState.GameStateLoading = gameState;
}
if (ActiveGameState != null)
{
ActiveGameState.Dispose();
ActiveGameState = null;
GC.Collect();
}
ActiveGameState = gameState;
ActiveGameState.Initialize();
ActiveGameState.Load();
}
public GameState Push(GameState gameState)
{
if (gameState == null)
{
throw new ArgumentNullException("gameState");
}
if (ActiveGameState != null)
{
ActiveGameState.Pause();
}
GameStates.Add(gameState);
ActiveGameState = gameState;
gameState.Start();
return(gameState);
}
public void Switch(GameState gameState)
{
if (gameState == null)
{
throw new ArgumentNullException("gameState");
}
if (ActiveGameState != null)
{
ActiveGameState.Pause();
}
if (!GameStates.Remove(gameState))
{
throw new ArgumentException(gameState + " is not on the stack");
}
GameStates.Add(gameState);
gameState.Resume();
ActiveGameState = gameState;
}
public GameState Pop()
{
if (ActiveGameState == null)
{
throw new StackOverflowException("There are no GameStates on the stack to pop");
}
ActiveGameState.End();
GameStates.Remove(ActiveGameState);
if (GameStates.Count > 0)
{
ActiveGameState = GameStates[GameStates.Count - 1];
ActiveGameState.Resume();
}
else
{
ActiveGameState = null;
}
return(ActiveGameState);
}
internal void Reset()
{
state = new ActiveGameState();
OnStateChanged();
}
