int32 UBTComposite_Question::GetNextChildHandler(FBehaviorTreeSearchData& SearchData, int32 PrevChild, EBTNodeResult::Type LastResult) const
{
	int32 NextChildIdx = PrevChild+1;
	if (NextChildIdx == GetChildrenNum() || LastResult == EBTNodeResult::Failed)
	{
		NextChildIdx = BTSpecialChild::ReturnToParent;
	}

	return NextChildIdx;
}
int32 UBTComposite_Selector::GetNextChildHandler(FBehaviorTreeSearchData& SearchData, int32 PrevChild, EBTNodeResult::Type LastResult) const
{
	// success = quit
	int32 NextChildIdx = BTSpecialChild::ReturnToParent;

	if (PrevChild == BTSpecialChild::NotInitialized)
	{
		// newly activated: start from first
		NextChildIdx = 0;
	}
	else if (LastResult == EBTNodeResult::Failed && (PrevChild + 1) < GetChildrenNum())
	{
		// failed = choose next child
		NextChildIdx = PrevChild + 1;
	}

	return NextChildIdx;
}