public void PushState(GameState newState)
{
drawOrder += 100;
newState.DrawOrder = drawOrder;
AddState(newState);
//Let everyone know we just changed states
if (OnStateChange != null)
OnStateChange(this, null);
}
public void ChangeState(GameState newState)
{
//We are changing states, so pop everything ...
//if we don’t want to really change states but just modify,
//we should call PushState and PopState
while (states.Count > 0)
RemoveState();
//changing state, reset our draw order
newState.DrawOrder = drawOrder = initialDrawOrder;
AddState(newState);
//Let everyone know we just changed states
if (OnStateChange != null)
OnStateChange(this, null);
}
private void AddState(GameState state)
{
states.Push(state);
Game.Components.Add(state);
//Register the event for this state
OnStateChange += state.StateChanged;
}
public bool ContainsState(GameState state)
{
return (states.Contains(state));
}