Replace raw pointers with TObjectPtr<>

Source/vampires/EnemyCharacter.cpp

@@ -6,15 +6,14 @@
 #include "EnemyDataAsset.h"
 #include "EXPPickup.h"
 #include "HealthComponent.h"
-#include "MovieSceneTracksComponentTypes.h"
 #include "ObjectPoolComponent.h"
 #include "ObjectPoolManager.h"
-#include "PaperFlipbookComponent.h"
 #include "VampireAIController.h"
 #include "VampireGameMode.h"
 #include "Components/CapsuleComponent.h"
 #include "Components/SphereComponent.h"
 #include "Kismet/GameplayStatics.h"
+#include "NiagaraFunctionLibrary.h"
 
 AEnemyCharacter::AEnemyCharacter(const FObjectInitializer& ObjectInitializer)
 {
@@ -54,6 +53,11 @@ void AEnemyCharacter::OnDamaged(FDamageInfo damageInfo)
 	{
 		UGameplayStatics::PlaySoundAtLocation(GetWorld(), OnDamagedSound, GetActorLocation());
 	}
+
+	if (OnDamagedNiagaraSystem)
+	{
+		UNiagaraFunctionLibrary::SpawnSystemAtLocation(this, OnDamagedNiagaraSystem, GetActorLocation());
+	}
 }
 
 void AEnemyCharacter::OnDeath(FDamageInfo damageInfo)
@@ -80,6 +84,11 @@ void AEnemyCharacter::OnDeath(FDamageInfo damageInfo)
 	{
 		UGameplayStatics::PlaySoundAtLocation(GetWorld(), OnDeathSound, GetActorLocation());
 	}
+
+	if (OnDeathNiagaraSystem)
+	{
+		UNiagaraFunctionLibrary::SpawnSystemAtLocation(this, OnDeathNiagaraSystem, GetActorLocation());
+	}
 }
 
 void AEnemyCharacter::LoadDataFromDataAsset_Implementation(UEnemyDataAsset* enemyDataAsset)
@@ -91,6 +100,8 @@ void AEnemyCharacter::LoadDataFromDataAsset_Implementation(UEnemyDataAsset* enem
 		PickupTemplate = enemyDataAsset->PickupDataAsset;
 		OnDamagedSound = enemyDataAsset->OnDamagedSoundBase;
 		OnDeathSound = enemyDataAsset->OnDeathSoundBase;
+		OnDamagedNiagaraSystem = enemyDataAsset->OnDamagedNiagaraSystem;
+		OnDeathNiagaraSystem = enemyDataAsset->OnDeathNiagaraSystem;
 	}
 }
 
@@ -101,6 +112,8 @@ void AEnemyCharacter::ResetData_Implementation()
 	PickupTemplate = nullptr;
 	OnDamagedSound = nullptr;
 	OnDeathSound = nullptr;
+	OnDamagedNiagaraSystem = nullptr;
+	OnDeathNiagaraSystem = nullptr;
 }
 
 float AEnemyCharacter::GetCapsuleRadius_Implementation()

Source/vampires/EnemyCharacter.h

@@ -35,13 +35,15 @@ public:
 
 private:
 	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
-	UBehaviorTree* BehaviorTree = nullptr;
+	TObjectPtr<UBehaviorTree> BehaviorTree = nullptr;
 
-	UObjectPoolComponent* ObjectPoolComponent = nullptr;
+	UPROPERTY()
+	TObjectPtr<UObjectPoolComponent> ObjectPoolComponent = nullptr;
 
-	UPickupDataAsset* PickupTemplate = nullptr;
+	UPROPERTY()
+	TObjectPtr<UPickupDataAsset> PickupTemplate = nullptr;
 
-	TArray<AActor*> Player;
+	TArray<TObjectPtr<AActor>> Player;
 
 	FTimerHandle DamageTimerHandle;
 

Source/vampires/EnemyDataAsset.h

@@ -7,8 +7,8 @@
 #include "Engine/DataAsset.h"
 #include "EnemyDataAsset.generated.h"
 
-class UPaperFlipbook;
 class UBehaviorTree;
+class UNiagaraSystem;
 
 /**
  * 
@@ -20,17 +20,23 @@ class VAMPIRES_API UEnemyDataAsset : public UDataAsset
 
 public:
 	UPROPERTY(BlueprintReadWrite, EditAnywhere)
-	UStaticMesh* StaticMesh;
+	TObjectPtr<UStaticMesh> StaticMesh;
 
 	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
-	UBehaviorTree* BehaviorTree = nullptr;
+	TObjectPtr<UBehaviorTree> BehaviorTree = nullptr;
 
 	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
-	UPickupDataAsset* PickupDataAsset = nullptr;
+	TObjectPtr<UPickupDataAsset> PickupDataAsset = nullptr;
 	
 	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
 	TObjectPtr<USoundBase> OnDamagedSoundBase = nullptr;
 
 	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
 	TObjectPtr<USoundBase> OnDeathSoundBase = nullptr;
+
+	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
+	TObjectPtr<UNiagaraSystem> OnDamagedNiagaraSystem;
+
+	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
+	TObjectPtr<UNiagaraSystem> OnDeathNiagaraSystem;
 };

Source/vampires/ObjectPoolManager.h

@@ -11,7 +11,7 @@ class VAMPIRES_API AObjectPoolManager : public AActor
 {
 	GENERATED_BODY()
 
-	TArray<AActor*> ObjectPool = TArray<AActor*>();
+	TArray<TObjectPtr<AActor>> ObjectPool = TArray<TObjectPtr<AActor>>();
 
 public:
 	void InitializeObjectPool(TSubclassOf<AActor> Object, int InitialObjectPoolSize = 400);

Source/vampires/Pickup.h

@@ -22,22 +22,22 @@ public:
 	int PickupValue = 1;
 	
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	USphereComponent* InnerSphereComponent = nullptr;
+	TObjectPtr<USphereComponent> InnerSphereComponent = nullptr;
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	USphereComponent* OuterSphereComponent = nullptr;
+	TObjectPtr<USphereComponent> OuterSphereComponent = nullptr;
 
 	UPROPERTY(EditAnywhere)
-	UStaticMeshComponent* StaticMeshComponent = nullptr;
+	TObjectPtr<UStaticMeshComponent> StaticMeshComponent = nullptr;
 
 	UPROPERTY(EditDefaultsOnly)
-	USoundBase* PickupSoundBase = nullptr;
+	TObjectPtr<USoundBase> PickupSoundBase = nullptr;
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Timeline")
 	TObjectPtr<UTimelineComponent> TimelineComponent = nullptr;
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Timeline")
-	UCurveFloat* CurveFloat;
+	TObjectPtr<UCurveFloat> CurveFloat;
 
 private:
 	FOnTimelineFloat onTimelineCallback;

Source/vampires/PlayerCharacter.h

@@ -26,13 +26,13 @@ class VAMPIRES_API APlayerCharacter : public AVampireCharacter
 
 public:
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
-	UEXPComponent* EXPComponent;
+	TObjectPtr<UEXPComponent> EXPComponent;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
-	UGoldComponent* GoldComponent;
+	TObjectPtr<UGoldComponent> GoldComponent;
 
 	UPROPERTY(EditAnywhere)
-	UWidgetComponent* HealthBarWidgetComponent;
+	TObjectPtr<UWidgetComponent> HealthBarWidgetComponent;
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly)
 	TObjectPtr<UTimelineComponent> CameraShakeTimelineComponent = nullptr;

Source/vampires/Projectile.h

@@ -18,10 +18,10 @@ class VAMPIRES_API AProjectile : public AActor, public IProjectilable
 
 public:
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	USphereComponent* SphereComponent = nullptr;
+	TObjectPtr<USphereComponent> SphereComponent = nullptr;
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	UProjectileMovementComponent* ProjectileMovement = nullptr;
+	TObjectPtr<UProjectileMovementComponent> ProjectileMovement = nullptr;
 
 	FVector TargetDirection = FVector::ZeroVector;
 
@@ -29,7 +29,7 @@ public:
 	float ProjectileSpeed = 500.0f;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
-	UStaticMeshComponent* StaticMeshComponent = nullptr;
+	TObjectPtr<UStaticMeshComponent> StaticMeshComponent = nullptr;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	int RemainingDamagableEnemies = 1;

Source/vampires/VampireAIController.cpp

@@ -15,7 +15,7 @@
 AVampireAIController::AVampireAIController(const FObjectInitializer& object_initializer) : Super(
 	object_initializer.SetDefaultSubobjectClass<UCrowdFollowingComponent>(TEXT("Path Following Component")))
 {
-	Blackboard = CreateDefaultSubobject<UBlackboardComponent>(TEXT("Blackboard"));
+	DefaultBlackboard = CreateDefaultSubobject<UBlackboardComponent>(TEXT("Blackboard"));
 	BehaviorTree = CreateDefaultSubobject<UBehaviorTreeComponent>(TEXT("Behavior Tree"));
 }
 
@@ -38,7 +38,7 @@ void AVampireAIController::Tick(float DeltaTime)
 
 	if (PlayerCharacter)
 	{
-		Blackboard->SetValueAsVector("PlayerLocation", PlayerCharacter->GetActorLocation());
+		DefaultBlackboard->SetValueAsVector("PlayerLocation", PlayerCharacter->GetActorLocation());
 	}
 }
 
@@ -56,13 +56,13 @@ void AVampireAIController::OnPossess(APawn* InPawn)
 
 	if (UBehaviorTree* bt = EnemyCharacter->GetBehaviorTree())
 	{
-		Blackboard->InitializeBlackboard(*bt->BlackboardAsset);
+		DefaultBlackboard->InitializeBlackboard(*bt->BlackboardAsset);
 		BehaviorTree->StartTree(*bt);
-		Blackboard->SetValueAsObject("SelfActor", EnemyCharacter);
+		DefaultBlackboard->SetValueAsObject("SelfActor", EnemyCharacter);
 
 		if (PlayerCharacter)
 		{
-			Blackboard->SetValueAsObject("Player", PlayerCharacter);
+			DefaultBlackboard->SetValueAsObject("Player", PlayerCharacter);
 		}
 	}
 }

Source/vampires/VampireAIController.h

@@ -18,13 +18,17 @@ class VAMPIRES_API AVampireAIController : public AAIController
 {
 	GENERATED_BODY()
 
-	UBlackboardComponent* Blackboard;
+	UPROPERTY()
+	TObjectPtr<UBlackboardComponent> DefaultBlackboard;
 
-	UBehaviorTreeComponent* BehaviorTree;
+	UPROPERTY()
+	TObjectPtr<UBehaviorTreeComponent> BehaviorTree;
 
-	ACharacter* PlayerCharacter;
+	UPROPERTY()
+	TObjectPtr<ACharacter> PlayerCharacter;
 
-	AEnemyCharacter* EnemyCharacter;
+	UPROPERTY()
+	TObjectPtr<AEnemyCharacter> EnemyCharacter;
 
 	FTimerHandle PawnMoveToTimerHandle;
 

Source/vampires/VampireCharacter.h

@@ -7,6 +7,7 @@
 #include "GameFramework/Character.h"
 #include "VampireCharacter.generated.h"
 
+class UNiagaraSystem;
 class AWeapon;
 class UWeaponInventoryComponent;
 class UInputAction;
@@ -20,7 +21,7 @@ class VAMPIRES_API AVampireCharacter : public ACharacter, public IInputable
 
 public:
 	UPROPERTY(BlueprintReadWrite, EditAnywhere)
-	UStaticMeshComponent* StaticMeshComponent;
+	TObjectPtr<UStaticMeshComponent> StaticMeshComponent;
 
 	FVector2D PreviousMovementDirection = FVector2d(1.0f, 0.0f);
 
@@ -29,19 +30,25 @@ public:
 	
 protected:
 	UPROPERTY(VisibleAnywhere)
-	UHealthComponent* HealthComponent;
+	TObjectPtr<UHealthComponent> HealthComponent;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	TObjectPtr<UInputMappingContext> InputMappingContext;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
-	UWeaponInventoryComponent* WeaponInventoryComponent;
+	TObjectPtr<UWeaponInventoryComponent> WeaponInventoryComponent;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
-	USoundBase* OnDamagedSound;
+	TObjectPtr<USoundBase> OnDamagedSound;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
-	USoundBase* OnDeathSound;
+	TObjectPtr<USoundBase> OnDeathSound;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	TObjectPtr<UNiagaraSystem> OnDamagedNiagaraSystem;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	TObjectPtr<UNiagaraSystem> OnDeathNiagaraSystem;
 
 public:
 	// Sets default values for this character's properties

Source/vampires/VampireGameMode.h

@@ -39,20 +39,26 @@ public:
 	TArray<TObjectPtr<UEnemyDataAsset>> EnemyDataAssets;
 
 private:
+	UPROPERTY()
 	TObjectPtr<APlayerCharacter> PlayerCharacter;
 
+	UPROPERTY()
 	TObjectPtr<AVampirePlayerController> PlayerController;
 
 	FTimerHandle SpawnEnemyTimerDelegate;
 
 	int EnemyDeathCount = 0;
 
+	UPROPERTY()
 	TObjectPtr<AObjectPoolManager> EnemyObjectPoolManager = nullptr;
 
+	UPROPERTY()
 	TObjectPtr<AObjectPoolManager> ProjectileObjectPoolManager = nullptr;
 
+	UPROPERTY()
 	TObjectPtr<AObjectPoolManager> PickupObjectPoolManager = nullptr;
-	
+
+	UPROPERTY()
 	TArray<TObjectPtr<UEnemyDataAsset>> SpawnableEnemyDataAssets;
 
 protected:

Source/vampires/VampirePlayerController.h

@@ -33,17 +33,20 @@ public:
 
 	// Inputs	
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	UInputAction* MovementAction;
+	TObjectPtr<UInputAction> MovementAction;
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	UInputAction* PauseAction;
+	TObjectPtr<UInputAction> PauseAction;
 
 private:
 
+	UPROPERTY()
 	TObjectPtr<UHUDWidget> currentPlayerHUD = nullptr;
 
+	UPROPERTY()
 	TObjectPtr<UPauseWidget> currentPauseUI = nullptr;
-	
+
+	UPROPERTY()
 	TObjectPtr<ULevelUpWidget> currentLevelUpUI = nullptr;
 
 	FTimerHandle pawnLifeTimeHandle;

Source/vampires/Weapon.h

@@ -27,7 +27,7 @@ public:
 	TObjectPtr<UTexture2D> Icon;
 
 	UPROPERTY(EditDefaultsOnly, Category = "Weapon Properties")
-	USoundBase* WeaponActivatedSoundBase = nullptr;
+	TObjectPtr<USoundBase> WeaponActivatedSoundBase = nullptr;
 
 	UPROPERTY(EditDefaultsOnly, Category = "Weapon Properties")
 	TObjectPtr<UPaperSprite> WeaponSprite = nullptr;
@@ -51,9 +51,9 @@ public:
 
 protected:
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	UBoxComponent* BoxComponent = nullptr;
+	TObjectPtr<UBoxComponent> BoxComponent = nullptr;
 
-	TArray<AActor*> OverlappedEnemies = TArray<AActor*>();
+	TArray<TObjectPtr<AActor>> OverlappedEnemies = TArray<TObjectPtr<AActor>>();
 	
 private:
 	FTimerHandle WeaponTimerHandle;

Source/vampires/WeaponInventoryComponent.h

@@ -24,7 +24,7 @@ public:
 
 private:
 	UPROPERTY()
-	TArray<AWeapon*> inventory;
+	TArray<TObjectPtr<AWeapon>> inventory;
 
 public:
 	// Sets default values for this component's properties

Source/vampires/Weapons/GarlicWeapon.h

@@ -14,7 +14,8 @@ struct FOverlappedEnemy
 {
 	GENERATED_BODY()
 
-	AEnemyCharacter* OverlappedEnemyCharacter;
+	UPROPERTY()
+	TObjectPtr<AEnemyCharacter> OverlappedEnemyCharacter;
 
 	FTimerHandle OverlappedTimerHandle;
 };
@@ -28,7 +29,7 @@ class VAMPIRES_API AGarlicWeapon : public AWeapon
 	GENERATED_BODY()
 public:
 	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, meta = (AllowPrivateAccess = "true"))
-	USphereComponent* SphereComponent;
+	TObjectPtr<USphereComponent> SphereComponent;
 
 	TArray<FOverlappedEnemy> GarlicOverlappedEnemies;
 

Source/vampires/Weapons/PentagramWeapon.h

@@ -18,7 +18,7 @@ class VAMPIRES_API APentagramWeapon : public AWeapon
 	GENERATED_BODY()
 
 private:
-	TArray<APickup*> OverlappedPickups = TArray<APickup*>();
+	TArray<TObjectPtr<APickup>> OverlappedPickups = TArray<TObjectPtr<APickup>>();
 
 public:
 	APentagramWeapon();

Source/vampires/Weapons/SwarmAgent.h

@@ -15,10 +15,10 @@ class VAMPIRES_API ASwarmAgent : public AActor
 
 public:
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	USphereComponent* SphereComponent = nullptr;
+	TObjectPtr<USphereComponent> SphereComponent = nullptr;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
-	UStaticMeshComponent* StaticMeshComponent = nullptr;
+	TObjectPtr<UStaticMeshComponent> StaticMeshComponent = nullptr;
 
 	// Sets default values for this actor's properties
 	ASwarmAgent();

Source/vampires/Weapons/SwarmWeapon.h

@@ -33,7 +33,7 @@ public:
 private:
 	FOnTimelineFloat onTimelineCallback;
 
-	TArray<ASwarmAgent*> SwarmActors;
+	TArray<TObjectPtr<ASwarmAgent>> SwarmActors;
 
 public:
 	// Sets default values for this actor's properties

Source/vampires/vampires.Build.cs

@@ -8,7 +8,7 @@ public class vampires : ModuleRules
 	{
 		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
 	
-		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "EnhancedInput", "Paper2D" });
+		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "EnhancedInput", "Paper2D", "Niagara" });
 
 		PrivateDependencyModuleNames.AddRange(new string[] {  });