UPawnSensingComponent's Delegate doesn't fire

anonymous_user_a99412d8 · December 25, 2015, 12:39am

Hi.
Im working on my enemy class and I added PawnSensor, I got a problem.
OnSee delegate doesn’t fire at all.

Header:

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "AI")
	UPawnSensingComponent* PawnSensor;

In my code:

PawnSensor = ObjectInitializer.CreateDefaultSubobject<UPawnSensingComponent>(this, TEXT("PawnSensor"));

PawnSensor->OnSeePawn.AddDynamic(this, &AZombieCharacter::OnSee);
PawnSensor->OnHearNoise.AddDynamic(this, &AZombieCharacter::OnHear);

I created subobject in constructor. It was successful, and then I binded delegate functions in PostInitializeComponent(), it was successful too. I confirmed it’s bound successfully by calling OnSeePawn.IsBound(). Apparently I am following right steps.

OnHear works fine. Enemy can hear noise from emitter. But OnSee is not being fired at all, definitely. I thought it is some kind of collision problem?, so I tried adjust collision settings, and It was not. I have no idea now.

Please, Any idea?

anonymous_user_7cabf2f0 · October 31, 2016, 1:51pm

Have you solved it? I have the same problem

anonymous_user_fd530001 · November 7, 2016, 7:55pm

I was running into the same issue. It turned out my functions weren’t UFUNCTIONS which is needed for delegates. Hope that helps

anonymous_user_2f169c1d1 · November 9, 2019, 10:47am

I was facing the same problem,turn out that I have to recreate the blueprint class from the c++ class,or the blueprint class not update the delegate in the blueprint after recompile.