Add Lightning Ring

Source/vampires/Weapons/LightningRingWeapon.cpp

@@ -0,0 +1,56 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "LightningRingWeapon.h"
+
+ALightningRingWeapon::ALightningRingWeapon()
+{
+	SphereComponent = CreateDefaultSubobject<USphereComponent>(TEXT("Sphere Component"));
+	SphereComponent->SetupAttachment(RootComponent);
+	SphereComponent->SetSphereRadius(1000.0f);
+	Damage = 51.0f;
+}
+
+void ALightningRingWeapon::BeginPlay()
+{
+	Super::BeginPlay();
+	SphereComponent->OnComponentBeginOverlap.AddDynamic(this, &ALightningRingWeapon::OnBeginOverlap);
+	SphereComponent->OnComponentEndOverlap.AddDynamic(this, &ALightningRingWeapon::OnEndOverlap);
+}
+
+void ALightningRingWeapon::FireWeaponAction_Implementation()
+{
+	Super::FireWeaponAction_Implementation();
+
+	if (OverlappedEnemies.Num() > 0)
+	{
+		AEnemyCharacter* target = OverlappedEnemies[FMath::RandRange(0, OverlappedEnemies.Num() - 1)];
+		UHealthComponent* EnemyHealthComponent = target->GetHealthComponent();
+		
+		AController* ownerController = nullptr;
+		if (AVampireCharacter* character = Cast<AVampireCharacter>(GetOwner()))
+		{
+			ownerController = character->GetController();
+		}
+		
+		EnemyHealthComponent->TakeDamage(target, Damage, nullptr, ownerController, this);
+	}
+}
+
+void ALightningRingWeapon::OnBeginOverlap(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor,
+	UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult)
+{
+	if (AEnemyCharacter* Enemy = Cast<AEnemyCharacter>(OtherActor))
+	{
+		OverlappedEnemies.Add(Enemy);
+	}
+}
+
+void ALightningRingWeapon::OnEndOverlap(UPrimitiveComponent* OverlappedComp, AActor* OtherActor,
+	UPrimitiveComponent* OtherComp, int32 OtherBodyIndex)
+{
+	if (AEnemyCharacter* Enemy = Cast<AEnemyCharacter>(OtherActor))
+	{
+		OverlappedEnemies.Remove(Enemy);
+	}
+}

Source/vampires/Weapons/LightningRingWeapon.h

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "../Weapon.h"
+#include "Components/SphereComponent.h"
+#include "vampires/EnemyCharacter.h"
+#include "LightningRingWeapon.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class VAMPIRES_API ALightningRingWeapon : public AWeapon
+{
+	GENERATED_BODY()
+
+	USphereComponent* SphereComponent;
+
+	TArray<AEnemyCharacter*> OverlappedEnemies;
+
+public:
+	ALightningRingWeapon();
+
+protected:
+	virtual void BeginPlay() override;
+
+public:
+	virtual void FireWeaponAction_Implementation() override;
+
+protected:
+	UFUNCTION()
+	void OnBeginOverlap(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor,
+						UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep,
+						const FHitResult& SweepResult);
+
+	UFUNCTION()
+	void OnEndOverlap(UPrimitiveComponent* OverlappedComp, AActor* OtherActor, UPrimitiveComponent* OtherComp,
+					  int32 OtherBodyIndex);
+};