private bool Enter(EntityQueueSpot spot)
{
return(spot.Enter(gameObject, (next) =>
{
if (next == null)
{
Debug.Log("Exiting queue");
SetState(State.DESTINATION);
}
else
{
Debug.Log("Enter next spot");
Enter(next);
WalkTo(next.transform.position);
}
}));
}
internal void Process()
{
if (onProcess == null)
{
return;
}
occupier = null;
Action <EntityQueueSpot> action = onProcess;
onProcess = null;
// allow to skip spot if it becomes empty in mean time
EntityQueueSpot target = next;
while (target != null && target.next != null && !target.next.IsOccupied())
{
target = target.next;
}
// reset stuff before invoking
action.Invoke(target);
}
private void SetState(State state, float delay = 0)
{
if (delay > 0)
{
StartCoroutine(SetStateWithDelay(state, delay));
return;
}
if (this.state == state)
{
return;
}
// exit
switch (this.state)
{
case State.IDLE:
break;
case State.WALKING:
break;
}
this.state = state;
// enter
switch (this.state)
{
case State.IDLE:
WalkTo(overflow.position, () => {
Debug.Log("Destination reached");
});
break;
case State.WALKING:
break;
case State.OVERFLOW:
WalkTo(overflow.position, () => {
Debug.Log("Oerflow reached " + name);
Destroy(gameObject);
});
break;
case State.DESTINATION:
WalkTo(destination.position, () => {
Debug.Log("Destination reached " + name);
Destroy(gameObject);
});
break;
case State.QUEUE:
EntityQueueSpot spot = queue.FindEmptySpot();
// we want to know if this spot is taken before we get to it
enterQueueCount++;
WalkTo(spot.transform.position, () => {
Debug.Log("Destination reached " + name);
if (Enter(spot))
{
// we are in spot, waiting to move to next spot
SetState(State.IN_QUEUE);
}
else
{
TryQueue();
}
});
spot.Incoming(gameObject, () =>
{
TryQueue();
});
break;
}
}
