Created
May 21, 2020 21:39
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Simple way to grab blueprint components from a CDO
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| // Room.cpp | |
| void ARoom::SetupDefaultObject(UBlueprintGeneratedClass* BlueprintClass) | |
| { | |
| checkf(HasAnyFlags(RF_ClassDefaultObject), TEXT("ARoom::SetupDefaultObject() can only be called on ARoom default objects.")); | |
| checkf(BlueprintClass, TEXT("Cannot setup default room object with null blueprint class.")); | |
| if (bIsDefaultSetup) return; | |
| TArray<const UBlueprintGeneratedClass*> BlueprintClasses; | |
| UBlueprintGeneratedClass::GetGeneratedClassesHierarchy(BlueprintClass, BlueprintClasses); | |
| for (const UBlueprintGeneratedClass* Class : BlueprintClasses) | |
| { | |
| if (Class->SimpleConstructionScript) | |
| { | |
| TArray<USCS_Node*> CDONodes = Class->SimpleConstructionScript->GetAllNodes(); | |
| for (USCS_Node* Node : CDONodes) | |
| { | |
| UActorComponent* CDOComponent = Node->GetActualComponentTemplate(Cast<UBlueprintGeneratedClass>(BlueprintClass)); | |
| if (URoomEmplacementComponent* Emplacement = Cast<URoomEmplacementComponent>(CDOComponent)) | |
| { | |
| DefaultObjectEmplacements.Add(Emplacement->GetEmplacementName(), Emplacement); | |
| } | |
| } | |
| } | |
| } | |
| bIsDefaultSetup = true; | |
| } | |
| TArray<URoomEmplacementComponent*> ARoom::GetRoomEmplacements() const | |
| { | |
| TArray<URoomEmplacementComponent*> EmplacementComponents; | |
| if (HasAnyFlags(RF_ClassDefaultObject)) | |
| { | |
| checkf(bIsDefaultSetup, TEXT("Attempted to get room emplacements from CDO, but it wasn't setup.")); | |
| DefaultObjectEmplacements.GenerateValueArray(EmplacementComponents); | |
| } | |
| else | |
| { | |
| RegisteredEmplacements.GenerateValueArray(EmplacementComponents); | |
| } | |
| return EmplacementComponents; | |
| } |
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