blaster/Source/Blaster/Weapon/Weapon.h

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

#pragma once

#include "CoreMinimal.h"
#include "WeaponTypes.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;
	virtual void OnRep_Owner() override;
	void SetHUDAmmo();
	void ShowPickupWidget(bool bShowWidget);
	virtual void Fire(const FVector& HitTarget);
	void Dropped();
	void AddAmmo(int32 Amount);
	
	// Textures for the weapon crosshairs

	UPROPERTY(EditAnywhere, Category= Crosshairs)
	class UTexture2D* CrosshairsCenter;
	
	UPROPERTY(EditAnywhere, Category= Crosshairs)
	class UTexture2D* CrosshairsLeft;
	
	UPROPERTY(EditAnywhere, Category= Crosshairs)
	class UTexture2D* CrosshairsRight;
	
	UPROPERTY(EditAnywhere, Category= Crosshairs)
	class UTexture2D* CrosshairsTop;
	
	UPROPERTY(EditAnywhere, Category= Crosshairs)
	class UTexture2D* CrosshairsBottom;

	// Zoom FOV while aiming
	UPROPERTY(EditAnywhere)
	float ZoomedFOV = 30.f;

	UPROPERTY(EditAnywhere)
	float ZoomInterpSpeed = 20.f;

	// Automatic fire
	
	UPROPERTY(EditAnywhere, Category = Combat)
	bool bAutomatic = true;

	UPROPERTY(EditAnywhere)
	class USoundCue* EquipSound;
	
	UPROPERTY(EditAnywhere, Category = Combat)
	float FireDelay = .15f;
	
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;

	UPROPERTY(EditAnywhere, Category= "Weapon Properties")
	class UAnimationAsset* FireAnimation;

	UPROPERTY(EditAnywhere, Category= "Weapon Properties")
	TSubclassOf<class ACasing> CasingClass;
	
	UPROPERTY(EditAnywhere, ReplicatedUsing=OnRep_Ammo)
	int32 Ammo;

	UFUNCTION()
	void OnRep_Ammo();

	void SpendRound();
	
	UPROPERTY(EditAnywhere)
	int32 MagCapacity;

	UPROPERTY()
	class ABlasterCharacter* OwnerCharacter;

	UPROPERTY()
	class ABlasterPlayerController* OwnerController;

	UPROPERTY(EditAnywhere)
	EWeaponType WeaponType;
	
public:
	void SetWeaponState(EWeaponState State);
	FORCEINLINE USphereComponent* GetAreaSphere() const { return AreaSphere; }
	FORCEINLINE USkeletalMeshComponent* GetWeaponMesh() const { return WeaponMesh; };
	FORCEINLINE float GetZoomedFOV() const { return ZoomedFOV; };
	FORCEINLINE float GetZoomInterpSpeed() const { return ZoomInterpSpeed; };
	FORCEINLINE EWeaponType GetWeaponType() const { return WeaponType; }
	FORCEINLINE int32 GetAmmo() const { return Ammo; }
	FORCEINLINE int32 GetMagCapacity() const { return MagCapacity; }
	bool IsEmpty();
};