FVector ABaseController::GetNewSearchPosition()
{
FNavLocation Location;
UNavigationSystem* NavSys = World->GetNavigationSystem();
NavSys->GetRandomPointInNavigableRadius(TargetsLastKnownPosition, Self->SearchRange, Location);
return Location.Location;
}
FVector ABaseController::GetHitPosition()
{
FNavLocation location;
UNavigationSystem* navSys = UNavigationSystem::GetCurrent(World);
navSys->GetRandomPointInNavigableRadius(AttackLocation, 200.f, location);
return location.Location;
}
FVector ABaseController::GetNewWanderPosition()
{
FNavLocation Location;
UNavigationSystem* NavSys = World->GetNavigationSystem();
FHitResult hit(ForceInit);
FCollisionQueryParams traceParams = FCollisionQueryParams(FName(TEXT("RV_Trace")), true, Self);
traceParams.bTraceComplex = true;
traceParams.bTraceAsyncScene = true;
int times = 0;
float minimuimDist = Self->MinimuimDistanceBetweenWanderLocations;
do{
if (times >= 50)
{
times = 0;
minimuimDist -= 500.f;
}
times++;
NavSys->GetRandomPointInNavigableRadius(Self->GetActorLocation(), Self->SightRange, Location);
} while (FVector::Dist(Location.Location, Self->GetActorLocation()) < minimuimDist);
bool bHit = World->LineTraceSingleByChannel(hit, Self->EyeLocation, Location.Location, ECC_Visibility, traceParams);
return Location.Location;
}
EBTNodeResult::Type UATBTTask_MoveArea::ExecuteTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory)
{
UNavigationSystem* NavigationSystem = UNavigationSystem::GetCurrent(GetWorld());
AATCharacterAI* MyCharacter = Cast<AATCharacterAI>(OwnerComp.GetAIOwner()->GetPawn());
if (NavigationSystem != nullptr && MyCharacter != nullptr)
{
FNavLocation RandomPointIn;
if (NavigationSystem->GetRandomPointInNavigableRadius(MyCharacter->GetActorLocation(), MyCharacter->AreaRadius, RandomPointIn))
{
OwnerComp.GetBlackboardComponent()->SetValue<UBlackboardKeyType_Vector>(GetSelectedBlackboardKey(), RandomPointIn.Location);
return EBTNodeResult::Succeeded;
}
}
return EBTNodeResult::Failed;
}
