blaster/Source/Blaster/Weapon/Weapon.h

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

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "Weapon.generated.h"

UENUM(BlueprintType)
enum class EWeaponState : uint8
{
	EWS_Initial UMETA(DisplayName = "Initial State"),
	EWS_Equipped UMETA(DisplayName = "Equipped"),
	EWS_Dropped UMETA(DisplayName = "Dropped"),
	
	EWS_MAX UMETA(DisplayName = "DefaultMAX")
};

UCLASS()
class BLASTER_API AWeapon : public AActor
{
	GENERATED_BODY()

public:
	AWeapon();
	virtual void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;
	void ShowPickupWidget(bool bShowWidget);
	
protected:
	virtual void BeginPlay() override;

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

private:
	UPROPERTY(VisibleAnywhere, Category="Weapon Properties")
	USkeletalMeshComponent* WeaponMesh;

	UPROPERTY(VisibleAnywhere, Category="Weapon Properties")
	class USphereComponent* AreaSphere;

	UPROPERTY(ReplicatedUsing = OnRep_WeaponState, VisibleAnywhere, Category="Weapon Properties")
	EWeaponState WeaponState;

	UFUNCTION()
	void OnRep_WeaponState();
	
	UPROPERTY(VisibleAnywhere, Category="Weapon Properties")
	class UWidgetComponent* PickupWidget;

public:
	void SetWeaponState(EWeaponState State);
	FORCEINLINE USphereComponent* GetAreaSphere() const { return AreaSphere; }
};