private AbstractGameState DeactivateCurrentState(AbstractGameState nextState)
{
AbstractGameState current = State;
if (current != null)
{
current.Deactivate(nextState: nextState);
}
return(current);
}
public void PopState()
{
AbstractGameState next = null;
if (states.Count >= 2)
{
next = states.ElementAt(states.Count - 2);
}
AbstractGameState current = DeactivateCurrentState(next);
states.Remove(current);
ActivateState(next, current);
}
virtual public void Activate(AbstractGameState previousState)
{
if (context.LayerSwitcher != null)
{
if (previousState != null)
{
int other = previousState.uiLayer;
GameObject[] transitionIn = context.LayerSwitcher.GameObjectsOnlyIn(context.LayerSwitcher.GetLayer(uiLayer), notIn: context.LayerSwitcher.GetLayer(other));
HandleTransitionIn(transitionIn);
}
else
{
context.LayerSwitcher.ActivateLayer(uiLayer);
}
}
isActive = true;
}
virtual public void Deactivate(AbstractGameState nextState)
{
if (context.LayerSwitcher != null)
{
GameObject[] transitionOut = default;
if (nextState != null)
{
int other = nextState.uiLayer;
transitionOut = context.LayerSwitcher.GameObjectsOnlyIn(context.LayerSwitcher.GetLayer(uiLayer), notIn: context.LayerSwitcher.GetLayer(other));
}
else
{
transitionOut = context.LayerSwitcher.GameObjectsForLayer(context.LayerSwitcher.GetLayer(uiLayer));
}
HandleTransitionOut(transitionOut);
}
isActive = false;
}
private void AddAndActivateState(AbstractGameState newState, AbstractGameState current)
{
states.Add(newState);
ActivateState(newState, current);
}
public void PushState(AbstractGameState value)
{
AbstractGameState current = DeactivateCurrentState(value);
AddAndActivateState(value, current);
}