public void Tick()
{
Queue <StateChartEvent> tmp = inactiveEventQueue;
inactiveEventQueue = activeEventQueue;
activeEventQueue = tmp;
while (inactiveEventQueue.Count > 0)
{
StateChartEvent evt = inactiveEventQueue.Dequeue();
StateChartTransition transition = rootState.HandleEvent(evt.GetType(), evt);
if (transition != null)
{
GoToState(transition.targetState, transition.from);
}
}
StateChartState ptr = rootState;
while (ptr != null)
{
if (ptr.updateFn != null)
{
ptr.updateFn();
}
ptr = ptr.activeSubstate;
}
}
public StateChartTransition HandleEvent(Type evtType, StateChartEvent evt)
{
for (int i = 0; i < events.Count; i++)
{
if (events[i].type == evtType)
{
events[i].callback(evt);
}
}
for (int i = 0; i < transitions.Count; i++)
{
if (transitions[i].type == evtType && transitions[i].guardFn(evt))
{
return(new StateChartTransition(this, transitions[i].targetState));
}
}
return(activeSubstate != null?activeSubstate.HandleEvent(evtType, evt) : null);
}
private static bool DefaultGuardFn(StateChartEvent evt)
{
return(true);
}