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


#include "Item.h"

#include "ShooterCharacter.h"
#include "Components/BoxComponent.h"
#include "Components/SphereComponent.h"
#include "Components/WidgetComponent.h"

// Sets default values
AItem::AItem()
{
 	// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
	PrimaryActorTick.bCanEverTick = true;

	ItemMesh = CreateDefaultSubobject<USkeletalMeshComponent>(TEXT("ItemMesh"));
	SetRootComponent(ItemMesh);

	CollisionBox = CreateDefaultSubobject<UBoxComponent>(TEXT("CollisionBox"));
	CollisionBox->SetupAttachment(ItemMesh);
	CollisionBox->SetCollisionResponseToAllChannels(ECollisionResponse::ECR_Ignore);
	CollisionBox->SetCollisionResponseToChannel(ECollisionChannel::ECC_Visibility, ECollisionResponse::ECR_Block);

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

	AreaSphere = CreateDefaultSubobject<USphereComponent>(TEXT("AreaSphere"));
	AreaSphere->SetupAttachment(GetRootComponent());
}

// Called when the game starts or when spawned
void AItem::BeginPlay()
{
	Super::BeginPlay();

	// Hide Pickup Widget
	PickupWidget->SetVisibility(false);

	// Setup overlap for AreaSphere
	AreaSphere->OnComponentBeginOverlap.AddDynamic(this, &AItem::OnSphereOverlap);
	AreaSphere->OnComponentEndOverlap.AddDynamic(this, &AItem::OnSphereEndOverlap);
}

// Called every frame
void AItem::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);

}

void AItem::OnSphereOverlap(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp,
	int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult)
{
	if (OtherActor)
	{
		AShooterCharacter* ShooterCharacter = Cast<AShooterCharacter>(OtherActor);

		if (ShooterCharacter)
		{
			ShooterCharacter->IncrementOverlappedItemCount(1);
		}
	}
}

void AItem::OnSphereEndOverlap(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor,
	UPrimitiveComponent* OtherComp, int32 OtherBodyIndex)
{
	if (OtherActor)
	{
		AShooterCharacter* ShooterCharacter = Cast<AShooterCharacter>(OtherActor);

		if (ShooterCharacter)
		{
			ShooterCharacter->IncrementOverlappedItemCount(-1);
		}
	}
}