public override void Update(float frameTime)
{
// If we asked for a new action we don't want to dump the existing one.
if (_actionRequest != null)
{
if (_actionRequest.Status != JobStatus.Finished)
{
return;
}
ReceivedAction();
// Do something next tick
return;
}
_planCooldownRemaining -= frameTime;
// Might find a better action while we're doing one already
if (_planCooldownRemaining <= 0.0f)
{
_planCooldownRemaining = PlanCooldown;
_actionCancellation = new CancellationTokenSource();
_actionRequest = _planner.RequestAction(new AiActionRequest(SelfEntity.Uid, _blackboard, _availableActions), _actionCancellation);
return;
}
// When we spawn in we won't get an action for a bit
if (CurrentAction == null)
{
return;
}
var outcome = CurrentAction.Execute(frameTime);
switch (outcome)
{
case Outcome.Success:
if (CurrentAction.ActionOperators.Count == 0)
{
CurrentAction.Shutdown();
CurrentAction = null;
// Nothing to compare new action to
_blackboard.GetState <LastUtilityScoreState>().SetValue(0.0f);
}
break;
case Outcome.Continuing:
break;
case Outcome.Failed:
CurrentAction.Shutdown();
CurrentAction = null;
_blackboard.GetState <LastUtilityScoreState>().SetValue(0.0f);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private void ReceivedAction()
{
switch (_actionRequest.Exception)
{
case null:
break;
default:
Logger.FatalS("ai", _actionRequest.Exception.ToString());
throw _actionRequest.Exception;
}
var action = _actionRequest.Result;
_actionRequest = null;
// Actions with lower scores should be implicitly dumped by GetAction
// If we're not allowed to replace the action with an action of the same type then dump.
if (action == null || !action.CanOverride && CurrentAction?.GetType() == action.GetType())
{
return;
}
var currentOp = CurrentAction?.ActionOperators.Peek();
if (currentOp != null && currentOp.HasStartup)
{
currentOp.Shutdown(Outcome.Failed);
}
CurrentAction = action;
action.SetupOperators(_blackboard);
}
private void ReceivedAction()
{
var action = _actionRequest.Result;
_actionRequest = null;
// Actions with lower scores should be implicitly dumped by GetAction
// If we're not allowed to replace the action with an action of the same type then dump.
if (action == null || !action.CanOverride && CurrentAction?.GetType() == action.GetType())
{
return;
}
CurrentAction = action;
action.SetupOperators(_blackboard);
}
