private static bool UpdateNonInstantEvents(StateMachineComponent stateMachine, ref List <Event> nonInstantEvents, float currentTime)
{
for (int i = 0; i < nonInstantEvents.Count;)
{
Event evnt = nonInstantEvents[i];
ITimelineStateEvent stateMachineEvent = evnt as ITimelineStateEvent;
float eventTime = currentTime - evnt.GetTime();
bool timeUp = eventTime >= evnt.GetDuration();
if (timeUp)
{
stateMachineEvent.End(stateMachine);
nonInstantEvents.RemoveAt(i);
}
else
{
eEventTriggerReturn status = stateMachineEvent.Update(stateMachine, eventTime);
switch (status)
{
case eEventTriggerReturn.EventFinished:
nonInstantEvents.RemoveAt(i);
break;
case eEventTriggerReturn.EventOngoing:
break;
case eEventTriggerReturn.EventFinishedExitState:
return(true);
}
i++;
}
}
return(false);
}
private static IEnumerator PerformState(StateMachine stateMachine, TimelineState state, Timeline timeline)
{
if (timeline != null && timeline._events.Length > 0)
{
ITimelineStateMachineTimer timer = TimelineStateMachine.GetTimer(stateMachine.gameObject);
float currentTime = 0.0f;
List <Event> nonInstantEvents = new List <Event>();
int eventIndex = 0;
Event currentEvent = timeline._events[eventIndex];
while (currentEvent != null || nonInstantEvents.Count > 0)
{
IStateMachineEvent currentStateMachineEvent = currentEvent as IStateMachineEvent;
if (currentStateMachineEvent == null && currentEvent != null)
{
throw new System.Exception("Event doesn't implement IStateMachineEvent");
}
float nextEventTime = currentEvent != null ? timeline._events[eventIndex].GetTime() : 0.0f;
//Wait until event time
while (currentTime < nextEventTime || (currentEvent == null && nonInstantEvents.Count > 0))
{
currentTime += timer.GetDeltaTime();
#if DEBUG
TimelineStateMachineDebug.OnTimelineStateTimeProgress(stateMachine, state, currentTime);
#endif
//Updated non instant events, if any now wants to exit the state then break out of coroutine
if (UpdateNonInstantEvents(stateMachine, ref nonInstantEvents, currentTime))
{
EndNonInstantEvents(stateMachine, ref nonInstantEvents);
yield break;
}
yield return(null);
}
if (currentEvent == null)
{
break;
}
//Trigger event
eEventTriggerReturn status = currentStateMachineEvent.Trigger(stateMachine);
switch (status)
{
case eEventTriggerReturn.EventFinished:
//Do nothing, just move on to next event
break;
case eEventTriggerReturn.EventFinishedExitState:
//Exit state so break out of coroutine
EndNonInstantEvents(stateMachine, ref nonInstantEvents);
yield break;
case eEventTriggerReturn.EventOngoing:
//Track timed event, move on to next event
nonInstantEvents.Add(currentEvent);
break;
}
//Get next
currentEvent = ++eventIndex < timeline._events.Length ? timeline._events[eventIndex] : null;
}
}
#if DEBUG
TimelineStateMachineDebug.OnTimelineStateStoped(stateMachine);
#endif
yield break;
}
