Collision Component doesn't launch Hit or Overlap events

[WolfAlvein]

Hi Guys, I asked this yesterday but I haven’t been able to solve it yet, so any help would be appreciated,
So I have the Static Mesh and a Capsule Collision Component set up has:

StaticMeshComp = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("One Handed Mesh"));
RootComponent = StaticMeshComp;

OneHandedCollision = CreateDefaultSubobject<UCapsuleComponent>(TEXT("One Handed Collision"));
OneHandedCollision->SetCapsuleRadius(10.0f);
OneHandedCollision->SetSimulatePhysics(false);
OneHandedCollision->SetCapsuleHalfHeight(48.0f);
OneHandedCollision->SetGenerateOverlapEvents(true);
OneHandedCollision->SetNotifyRigidBodyCollision(true);
OneHandedCollision->SetCollisionProfileName("OnHandWeapon");
OneHandedCollision->SetRelativeLocation(FVector(0.0f, 0.0f, 65.0f));
OneHandedCollision->OnComponentHit.AddDynamic(this, &AOneHandedWeapon::OnHit);
OneHandedCollision->OnComponentBeginOverlap.AddDynamic(this, &AOneHandedWeapon::BeginOverlap);
OneHandedCollision->SetupAttachment(RootComponent);

in my Class constructor
and the .h file has the function set has:

UFUNCTION()
    void OnHit(UPrimitiveComponent* HitComp, AActor* OtherActor, UPrimitiveComponent* OtherComp, FVector NormalImpulse, const FHitResult& Hit);

UFUNCTION()
    void BeginOverlap(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult);

I Have been able to get into the Hit function when I enable the simulate physics on the capsule component, but it only hits the block out of the level and not the characters that I have set up for testing, so I’m not 100% sure of what is happening.

This is the Capsule components and it’s attached events:

and the collision profile that the weapon and collider use:

I was able to test it a little bit by creating a giant sword blueprint weapon from the same C++ code Has seen in the image

but the overlap result is confusing, since it basically overlapped itself, instead of overlapping the player:

[ViniCordeiro]

Try using on the overlap event, the overlapped component or the other actor instead of the sweep result as it seens that it check itself instead of the other overlapping actor/component

void AMyClass::OnBeginOverlap(UPrimitiveComponent* OverlappedComponent,AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 BodyIndex, bool bFromSweep,const FHitResult & SweepResult)
{
   // Use the overalapped component as I think the sweep will actually try looking for it's own collision
   if(OverlappedComponent != nullptr || OtherActor != nullptr)
   {
       GEngine->AddOnScreenDebugMessage(0,2.f,FColor::Red,OtherActor->GetFName());
      // Your on code to do stuff you want
   }
}

[Shayan.ebz99]

well there are couple of things u may want to fix first.
OneHandedCollision->OnComponentBeginOverlap.AddDynamic(this, &AOneHandedWeapon::BeginOverlap);
just use this in BeginPlay not Constructor, becuz of some reasons it doesnt work sometimes, second thing u may want to do is using logs for tracing a clue. use a log in AOneHandedWeapon and see if its getting called or not

[WolfAlvein]

Hi, Thank you I will move it to the begin play, regarding the Log that you indicate, there is actually some On screen messages that will be called when it enters into the overlap or hit event, but they don’t get called at all unless the Tick for simulate physics is active.

[WolfAlvein]

Hi you are completely right if I use the OtherActor variable instead of the SweepResult, it returns the overlapping character correctly, thank you.