void UBTDecorator_BlueprintBase::OnBecomeRelevant(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory)
{
if (AIOwner != nullptr && ReceiveObserverActivatedImplementations & FBTNodeBPImplementationHelper::AISpecific)
{
ReceiveObserverActivatedAI(AIOwner, AIOwner->GetPawn());
}
else if (ReceiveObserverActivatedImplementations & FBTNodeBPImplementationHelper::Generic)
{
ReceiveObserverActivated(ActorOwner);
}
if (GetNeedsTickForConditionChecking())
{
// if set up as observer, and has a condition check, we want to check the condition every frame
// highly inefficient, but hopefully people will use it only for prototyping.
bNotifyTick = true;
}
UBlackboardComponent* BlackboardComp = OwnerComp.GetBlackboardComponent();
if (BlackboardComp)
{
for (int32 NameIndex = 0; NameIndex < ObservedKeyNames.Num(); NameIndex++)
{
const FBlackboard::FKey KeyID = BlackboardComp->GetKeyID(ObservedKeyNames[NameIndex]);
if (KeyID != FBlackboard::InvalidKey)
{
BlackboardComp->RegisterObserver(KeyID, this, FOnBlackboardChange::CreateUObject(this, &UBTDecorator_BlueprintBase::OnBlackboardChange));
}
}
}
}
void UBTDecorator_CompareBBEntries::OnBecomeRelevant(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory)
{
UBlackboardComponent* BlackboardComp = OwnerComp.GetBlackboardComponent();
if (BlackboardComp)
{
BlackboardComp->RegisterObserver(BlackboardKeyA.GetSelectedKeyID(), this, FOnBlackboardChange::CreateUObject(this, &UBTDecorator_CompareBBEntries::OnBlackboardChange));
BlackboardComp->RegisterObserver(BlackboardKeyB.GetSelectedKeyID(), this, FOnBlackboardChange::CreateUObject(this, &UBTDecorator_CompareBBEntries::OnBlackboardChange));
}
}
