C++ and nested USceneComponents

Development Programming & Scripting
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4

Just tried that, no success. But I found throughout trail and error one working solution which seems to be not the correct way but somehow it works as expected:

Weapon.cpp

AWeapon::AWeapon()
{
	PrimaryActorTick.bCanEverTick = true;
	CollisionSystemComponent = CreateDefaultSubobject<UCollisionSystemComponent>(TEXT("Collision System"));
	if(CollisionSystemComponent)
	{
		CollisionSystemComponent->SphereTraceStart->SetupAttachment(RootComponent);
		CollisionSystemComponent->SphereTraceEnd->SetupAttachment(RootComponent);
	}

CollisionSystemComponent.cpp

UCollisionSystemComponent::UCollisionSystemComponent()
{
	SphereTraceStart = CreateDefaultSubobject<USceneComponent>("TraceStart");
	SphereTraceEnd = CreateDefaultSubobject<USceneComponent>("TraceEnd");
}

So apparently when setting up the two USceneComponents TraceStart and TraceEnd from the parent Actor, it works. But if I try to attach those two inside of the Actor Component to the Root which is a static mesh, it wont do it. Very strange… Btw I changed also the CollisionSystemComponent from USceneComponent to UActorComponent.