protected GameState(Game game, GameStateManager manager)
: base(game)
{
StateManager = manager;
_childComponents = new List<GameComponent>();
_tag = this;
}
/// <summary>
/// Remove all other states and set a new state
/// </summary>
/// <param name="newState"></param>
public void ChangeState(GameState newState)
{
while (_gameStates.Count > 0)
RemoveState();
newState.DrawOrder = StartDrawOrder;
_draworder = StartDrawOrder;
AddState(newState);
if (OnStateChange != null)
OnStateChange(this, null);
}
/// <summary>
/// Add a new state
/// </summary>
/// <param name="newState"></param>
public void PushState(GameState newState)
{
_draworder += DrawOrderInc;
newState.DrawOrder = _draworder;
AddState(newState);
if (OnStateChange != null)
OnStateChange(this, null);
}
/// <summary>
/// Helper for PushState().
/// </summary>
/// <param name="newState"></param>
private void AddState(GameState newState)
{
_gameStates.Push(newState);
Game.Components.Add(newState);
// Subscribe the state to OnStateChange.
OnStateChange += newState.StateChange;
}