blaster/Source/Blaster/Weapon/Weapon.cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "Weapon.h"

#include "Blaster/Character/BlasterCharacter.h"
#include "Components/SphereComponent.h"
#include "Components/WidgetComponent.h"

AWeapon::AWeapon()
{
	PrimaryActorTick.bCanEverTick = false;
	bReplicates = true;

	WeaponMesh = CreateDefaultSubobject<USkeletalMeshComponent>(TEXT("WeaponMesh"));
	WeaponMesh->SetupAttachment(WeaponMesh); // WeaponMesh instead?

	SetRootComponent(WeaponMesh);

	WeaponMesh->SetCollisionResponseToAllChannels(ECollisionResponse::ECR_Block);
	WeaponMesh->SetCollisionResponseToChannel(ECollisionChannel::ECC_Pawn, ECollisionResponse::ECR_Ignore);
	WeaponMesh->SetCollisionEnabled(ECollisionEnabled::NoCollision);

	AreaSphere = CreateDefaultSubobject<USphereComponent>(TEXT("AreaSphere"));
	AreaSphere->SetupAttachment(RootComponent);
	AreaSphere->SetCollisionResponseToAllChannels(ECollisionResponse::ECR_Ignore);
	AreaSphere->SetCollisionEnabled(ECollisionEnabled::NoCollision);

	PickupWidget = CreateDefaultSubobject<UWidgetComponent>(TEXT("PickupWidget"));
	PickupWidget->SetupAttachment(RootComponent);
}

void AWeapon::BeginPlay()
{
	Super::BeginPlay();

	if (HasAuthority())
	{
		AreaSphere->SetCollisionEnabled(ECollisionEnabled::QueryAndPhysics);
		AreaSphere->SetCollisionResponseToChannel(ECollisionChannel::ECC_Pawn, ECollisionResponse::ECR_Overlap);
		AreaSphere->OnComponentBeginOverlap.AddDynamic(this, &AWeapon::OnSphereOverlap);
	}

	if (PickupWidget)
	{
		PickupWidget->SetVisibility(false);
	}
}

void AWeapon::OnSphereOverlap(UPrimitiveComponent* OverlappedComponent,
                              AActor* OtherActor,
                              UPrimitiveComponent* OtherComp,
                              int32 OtherBodyIndex,
                              bool bFromSweep,
                              const FHitResult& SweepResult)
{
	ABlasterCharacter* BlasterCharacter = Cast<ABlasterCharacter>(OtherActor);
	if (BlasterCharacter && PickupWidget)
	{
		PickupWidget->SetVisibility(true);
	}
}