bool AAIController::UseBlackboard(UBlackboardData* BlackboardAsset)
{
if (BlackboardAsset == NULL)
{
UE_VLOG(this, LogBehaviorTree, Log, TEXT("UseBlackboard: trying to use NULL Blackboard asset. Ignoring"));
return false;
}
bool bSuccess = true;
UBlackboardComponent* BlackboardComp = FindComponentByClass<UBlackboardComponent>();
if (BlackboardComp == NULL)
{
BlackboardComp = NewObject<UBlackboardComponent>(this, TEXT("BlackboardComponent"));
if (BlackboardComp != NULL)
{
InitializeBlackboard(*BlackboardComp, *BlackboardAsset);
BlackboardComp->RegisterComponent();
}
}
else if (BlackboardComp->GetBlackboardAsset() == NULL)
{
InitializeBlackboard(*BlackboardComp, *BlackboardAsset);
}
else if (BlackboardComp->GetBlackboardAsset() != BlackboardAsset)
{
UE_VLOG(this, LogBehaviorTree, Log, TEXT("UseBlackboard: requested blackboard %s while already has %s instantiated. Forcing new BB.")
, *GetNameSafe(BlackboardAsset), *GetNameSafe(BlackboardComp->GetBlackboardAsset()));
InitializeBlackboard(*BlackboardComp, *BlackboardAsset);
}
return bSuccess;
}
bool AAIController::UseBlackboard(UBlackboardData* BlackboardAsset, UBlackboardComponent*& BlackboardComponent)
{
if (BlackboardAsset == nullptr)
{
UE_VLOG(this, LogBehaviorTree, Log, TEXT("UseBlackboard: trying to use NULL Blackboard asset. Ignoring"));
return false;
}
bool bSuccess = true;
Blackboard = FindComponentByClass<UBlackboardComponent>();
if (Blackboard == nullptr)
{
Blackboard = NewObject<UBlackboardComponent>(this, TEXT("BlackboardComponent"));
if (Blackboard != nullptr)
{
InitializeBlackboard(*Blackboard, *BlackboardAsset);
Blackboard->RegisterComponent();
}
}
else if (Blackboard->GetBlackboardAsset() == nullptr)
{
InitializeBlackboard(*Blackboard, *BlackboardAsset);
}
else if (Blackboard->GetBlackboardAsset() != BlackboardAsset)
{
// @todo this behavior should be opt-out-able.
UE_VLOG(this, LogBehaviorTree, Log, TEXT("UseBlackboard: requested blackboard %s while already has %s instantiated. Forcing new BB.")
, *GetNameSafe(BlackboardAsset), *GetNameSafe(Blackboard->GetBlackboardAsset()));
InitializeBlackboard(*Blackboard, *BlackboardAsset);
}
BlackboardComponent = Blackboard;
return bSuccess;
}
