コード例 #1
0
EBTNodeResult::Type UBTTask_MoveDirectlyToward::ExecuteTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory)
{
	const UBlackboardComponent* MyBlackboard = OwnerComp.GetBlackboardComponent();
	FBTMoveDirectlyTowardMemory* MyMemory = reinterpret_cast<FBTMoveDirectlyTowardMemory*>(NodeMemory);
	AAIController* MyController = OwnerComp.GetAIOwner();
	EBTNodeResult::Type NodeResult = EBTNodeResult::Failed;

	if (MyController && MyBlackboard)
	{
		EPathFollowingRequestResult::Type RequestResult = EPathFollowingRequestResult::Failed;

		if (BlackboardKey.SelectedKeyType == UBlackboardKeyType_Object::StaticClass())
		{
			UObject* KeyValue = MyBlackboard->GetValue<UBlackboardKeyType_Object>(BlackboardKey.GetSelectedKeyID());
			AActor* TargetActor = Cast<AActor>(KeyValue);
			if (TargetActor)
			{
				RequestResult = bDisablePathUpdateOnGoalLocationChange ?
					MyController->MoveToLocation(TargetActor->GetActorLocation(), AcceptableRadius, bStopOnOverlap, /*bUsePathfinding=*/false, /*bProjectDestinationToNavigation=*/bProjectVectorGoalToNavigation, bAllowStrafe) :
					MyController->MoveToActor(TargetActor, AcceptableRadius, bStopOnOverlap, /*bUsePathfinding=*/false, bAllowStrafe);
			}
		}
		else if (BlackboardKey.SelectedKeyType == UBlackboardKeyType_Vector::StaticClass())
		{
			const FVector TargetLocation = MyBlackboard->GetValue<UBlackboardKeyType_Vector>(BlackboardKey.GetSelectedKeyID());
			RequestResult = MyController->MoveToLocation(TargetLocation, AcceptableRadius, bStopOnOverlap, /*bUsePathfinding=*/false, /*bProjectDestinationToNavigation=*/bProjectVectorGoalToNavigation, bAllowStrafe);
		}

		if (RequestResult == EPathFollowingRequestResult::RequestSuccessful)
		{
			const FAIRequestID RequestID = MyController->GetCurrentMoveRequestID();

			MyMemory->MoveRequestID = RequestID;
			WaitForMessage(OwnerComp, UBrainComponent::AIMessage_MoveFinished, RequestID);

			NodeResult = EBTNodeResult::InProgress;
		}
		else if (RequestResult == EPathFollowingRequestResult::AlreadyAtGoal)
		{
			NodeResult = EBTNodeResult::Succeeded;
		}
	}

	return NodeResult;
}
コード例 #2
0
EBTNodeResult::Type UBTTask_MoveDirectlyToward::ExecuteTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory)
{
	const UBlackboardComponent* MyBlackboard = OwnerComp.GetBlackboardComponent();
	FBTMoveDirectlyTowardMemory* MyMemory = reinterpret_cast<FBTMoveDirectlyTowardMemory*>(NodeMemory);
	AAIController* MyController = OwnerComp.GetAIOwner();
	EBTNodeResult::Type NodeResult = EBTNodeResult::Failed;

	if (MyController && MyBlackboard)
	{
		if (GET_AI_CONFIG_VAR(bEnableBTAITasks))
		{
			UAITask_MoveTo* AIMoveTask = NewBTAITask<UAITask_MoveTo>(OwnerComp);

			if (AIMoveTask != nullptr)
			{
				bool bSetUp = false;
				if (BlackboardKey.SelectedKeyType == UBlackboardKeyType_Object::StaticClass())
				{
					UObject* KeyValue = MyBlackboard->GetValue<UBlackboardKeyType_Object>(BlackboardKey.GetSelectedKeyID());
					AActor* TargetActor = Cast<AActor>(KeyValue);
					if (TargetActor)
					{
						AIMoveTask->SetUp(MyController, FVector::ZeroVector, TargetActor, AcceptableRadius, /*bUsePathfinding=*/false, FAISystem::BoolToAIOption(bStopOnOverlap));
						NodeResult = EBTNodeResult::InProgress;
					}
					else
					{
						UE_VLOG(MyController, LogBehaviorTree, Warning, TEXT("UBTTask_MoveDirectlyToward::ExecuteTask tried to go to actor while BB %s entry was empty"), *BlackboardKey.SelectedKeyName.ToString());
					}
				}
				else if (BlackboardKey.SelectedKeyType == UBlackboardKeyType_Vector::StaticClass())
				{
					const FVector TargetLocation = MyBlackboard->GetValue<UBlackboardKeyType_Vector>(BlackboardKey.GetSelectedKeyID());
					AIMoveTask->SetUp(MyController, TargetLocation, nullptr, AcceptableRadius, /*bUsePathfinding=*/false, FAISystem::BoolToAIOption(bStopOnOverlap));
					NodeResult = EBTNodeResult::InProgress;
				}

				if (NodeResult == EBTNodeResult::InProgress)
				{
					AIMoveTask->ReadyForActivation();
				}
			}
		}
		else
		{
			EPathFollowingRequestResult::Type RequestResult = EPathFollowingRequestResult::Failed;

			if (BlackboardKey.SelectedKeyType == UBlackboardKeyType_Object::StaticClass())
			{
				UObject* KeyValue = MyBlackboard->GetValue<UBlackboardKeyType_Object>(BlackboardKey.GetSelectedKeyID());
				AActor* TargetActor = Cast<AActor>(KeyValue);
				if (TargetActor)
				{
					RequestResult = bDisablePathUpdateOnGoalLocationChange ?
						MyController->MoveToLocation(TargetActor->GetActorLocation(), AcceptableRadius, bStopOnOverlap, /*bUsePathfinding=*/false, /*bProjectDestinationToNavigation=*/bProjectVectorGoalToNavigation, bAllowStrafe) :
						MyController->MoveToActor(TargetActor, AcceptableRadius, bStopOnOverlap, /*bUsePathfinding=*/false, bAllowStrafe);
				}
			}
			else if (BlackboardKey.SelectedKeyType == UBlackboardKeyType_Vector::StaticClass())
			{
				const FVector TargetLocation = MyBlackboard->GetValue<UBlackboardKeyType_Vector>(BlackboardKey.GetSelectedKeyID());
				RequestResult = MyController->MoveToLocation(TargetLocation, AcceptableRadius, bStopOnOverlap, /*bUsePathfinding=*/false, /*bProjectDestinationToNavigation=*/bProjectVectorGoalToNavigation, bAllowStrafe);
			}

			if (RequestResult == EPathFollowingRequestResult::RequestSuccessful)
			{
				const FAIRequestID RequestID = MyController->GetCurrentMoveRequestID();

				MyMemory->MoveRequestID = RequestID;
				WaitForMessage(OwnerComp, UBrainComponent::AIMessage_MoveFinished, RequestID);

				NodeResult = EBTNodeResult::InProgress;
			}
			else if (RequestResult == EPathFollowingRequestResult::AlreadyAtGoal)
			{
				NodeResult = EBTNodeResult::Succeeded;
			}
		}
	}

	return NodeResult;
}