Access Attached Custom Actors from Actors

Development Programming & Scripting
1

Hello guys,

i want to access all the attached custom actors of an actor that i have. The attached actors are placed like that:

-Father
---Kid1
-----Kid11
---Kid2
-----Kid11
-----Kid12
---Kid3

How can i access all the Kids of my Father Custom Actor? (Kid1 != Kid11)
Thanks in advance!

2

Call GetAttachedActors recursively: https://answers.unrealengine.com/questions/516560/how-to-get-a-list-of-all-childrenattached-actors.html

3

Hello, yes this will give only the attached actors. I have customa actors. For example, the Father is , AFather.

4

MyActor.h

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "MyActor.generated.h"

UCLASS()
class SANDBOX_API AMyActor : public AActor
{
	GENERATED_BODY()

	UPROPERTY(EditAnywhere)
	AActor* Root; // or AFather* Root;
	
protected:
	virtual void BeginPlay() override;

public:	
	void GetAttachedActorsRecursively(AActor* Parent, TArray<AActor*>& OutActors);
};

MyActor.cpp

#include "MyActor.h"

#include "Child.h"
#include "Father.h"

void AMyActor::BeginPlay()
{
    Super::BeginPlay();
    TArray<AActor*> Result;
    GetAttachedActorsRecursively(Root, Result);
    for (AActor* Actor : Result)
    {
        UE_LOG(LogTemp, Warning, TEXT("%s"), *Actor->GetActorLabel());
        // ...
    }
}

void AMyActor::GetAttachedActorsRecursively(AActor* Parent, TArray<AActor*>& OutActors)
{
    TArray<AActor*> AttachedActors;
    Parent->GetAttachedActors(AttachedActors);
    for (AActor* Child : AttachedActors)
    {
        //OutActors.Add(Child); // -> Kid3, Kid2, Kid22, Kid21, Kid1, Kid11
        GetAttachedActorsRecursively(Child, OutActors);
        OutActors.Add(Child); // -> Kid3, Kid22, Kid21, Kid2, Kid11, Kid1
    }
}
5

That will do the trick!!! Exactly what i wanted. Thank you so much.