Add NS_BulletImpact to weapons

Source/Nakatomi/EnemyCharacter.cpp

@@ -4,6 +4,7 @@
 #include "EnemyAIController.h"
 #include "EnemyHealthComponent.h"
 #include "InteractableComponent.h"
+#include "NiagaraFunctionLibrary.h"
 #include "BehaviorTree/BehaviorTree.h"
 #include "BehaviorTree/BlackboardComponent.h"
 #include "BehaviorTree/BlackboardData.h"
@@ -33,8 +34,9 @@ void AEnemyCharacter::OnFire()
 	CurrentWeapon->SetCurrentWeaponStatus(Firing);
 
 	TArray<FHitResult> Hits = TArray<FHitResult>();
-	CalculateHits(&Hits);
+	FVector direction = FVector::ZeroVector;
-	ProcessHits(Hits);
+	CalculateHits(&Hits, &direction);
+	ProcessHits(Hits, direction);
 
 	CurrentWeapon->PlayFireSoundAtLocation(GetActorLocation());
 
@@ -68,7 +70,7 @@ void AEnemyCharacter::PlayOnFireAnimations()
 	Super::PlayOnFireAnimations();
 }
 
-void AEnemyCharacter::CalculateHits(TArray<FHitResult>* hits)
+void AEnemyCharacter::CalculateHits(TArray<FHitResult>* hits, FVector* dir)
 {
 	// Set up randomness
 	const int32 RandomSeed = FMath::Rand();
@@ -108,7 +110,7 @@ void AEnemyCharacter::CalculateHits(TArray<FHitResult>* hits)
 	}
 }
 
-void AEnemyCharacter::ProcessHits(TArray<FHitResult> hits)
+void AEnemyCharacter::ProcessHits(TArray<FHitResult> hits, FVector dir)
 {
 	for (FHitResult Hit : hits)
 	{
@@ -117,11 +119,19 @@ void AEnemyCharacter::ProcessHits(TArray<FHitResult> hits)
 		SpawnParameters.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
 
 		// Spawn field actor
+		if (CurrentWeapon->GetFieldSystemActor())
+		{
 			FTransform transform;
 			transform.SetLocation(Hit.ImpactPoint);
 			auto field = GetWorld()->SpawnActor<AFieldSystemActor>(CurrentWeapon->GetFieldSystemActor(), transform,
 																   SpawnParameters);
 
+			if (field)
+			{
+				field->Destroy();
+			}
+		}
+
 		if (Hit.GetActor())
 		{
 			if (auto interactableComponent = Hit.GetActor()->GetComponentByClass<UInteractableComponent>())
@@ -135,6 +145,36 @@ void AEnemyCharacter::ProcessHits(TArray<FHitResult> hits)
 				                            GetController(), this);
 			}
 		}
+
+		auto staticMeshComponent = Hit.GetActor()->GetComponentByClass<UStaticMeshComponent>();
+
+		if (staticMeshComponent && !staticMeshComponent->IsSimulatingPhysics() && CurrentWeapon->GetDecalActor())
+		{
+			FTransform transform;
+			transform.SetLocation(Hit.ImpactPoint);
+
+			auto decalActor = GetWorld()->SpawnActor<ADecalActor>(CurrentWeapon->GetDecalActor(), transform,
+																  SpawnParameters);
+			auto rot = Hit.ImpactNormal.Rotation();
+			rot.Roll += 90.0f;
+			rot.Yaw += 180.0f;
+			decalActor->SetActorRotation(rot);
+		}
+			
+		if (staticMeshComponent && !staticMeshComponent->IsSimulatingPhysics() &&
+			CurrentWeapon->GetImpactParticleSystem())
+		{
+			FTransform transform;
+			transform.SetLocation(Hit.ImpactPoint);
+				
+			UNiagaraFunctionLibrary::SpawnSystemAtLocation(this,
+															CurrentWeapon->GetImpactParticleSystem(),
+															transform.GetLocation(),
+															dir.MirrorByVector(Hit.ImpactNormal).Rotation(),
+															FVector(1),
+															true);
+				
+		}
 	}
 }
 

Source/Nakatomi/EnemyCharacter.h

@@ -52,9 +52,9 @@ protected:
 private:
 	virtual void PlayOnFireAnimations() override;
 	
-	virtual void CalculateHits(TArray<FHitResult>* hits) override;
+	virtual void CalculateHits(TArray<FHitResult>* hits, FVector* dir) override;
 
-	virtual void ProcessHits(TArray<FHitResult> hits) override;
+	virtual void ProcessHits(TArray<FHitResult> hits, FVector dir) override;
 
 protected:
 	virtual void OnDamaged() override;

Source/Nakatomi/Nakatomi.Build.cs

@@ -11,7 +11,7 @@ public class Nakatomi : ModuleRules
 		PublicDependencyModuleNames.AddRange(new[]
 		{
 			"Core", "CoreUObject", "Engine", "InputCore", "EnhancedInput", "FieldSystemEngine",
-			"GeometryCollectionEngine", "UMG", "AIModule", "GameplayTasks", "NavigationSystem"
+			"GeometryCollectionEngine", "UMG", "AIModule", "GameplayTasks", "NavigationSystem", "Niagara"
 		});
 
 		PrivateDependencyModuleNames.AddRange(new string[] { });

Source/Nakatomi/NakatomiCharacter.cpp

@@ -257,11 +257,11 @@ bool ANakatomiCharacter::GetCrouched()
 	return false;
 }
 
-void ANakatomiCharacter::CalculateHits(TArray<FHitResult>* hits)
+void ANakatomiCharacter::CalculateHits(TArray<FHitResult>* hits, FVector* dir)
 {
 }
 
-void ANakatomiCharacter::ProcessHits(TArray<FHitResult> hits)
+void ANakatomiCharacter::ProcessHits(TArray<FHitResult> hits, FVector dir)
 {
 }
 

Source/Nakatomi/NakatomiCharacter.h

@@ -116,9 +116,9 @@ public:
 	bool GetCrouched();
 
 protected:
-	virtual void CalculateHits(TArray<FHitResult>* hits);
+	virtual void CalculateHits(TArray<FHitResult>* hits, FVector* dir);
 
-	virtual void ProcessHits(TArray<FHitResult> hits);
+	virtual void ProcessHits(TArray<FHitResult> hits, FVector dir);
 
 	virtual void PlayOnFireAnimations(); 
 	

Source/Nakatomi/PlayerCharacter.cpp

@@ -14,6 +14,7 @@
 #include "InteractableComponent.h"
 #include "NakatomiCMC.h"
 #include "WeaponThrowable.h"
+#include "NiagaraFunctionLibrary.h"
 #include "GameFramework/CharacterMovementComponent.h"
 
 #define COLLISION_WEAPON	ECC_GameTraceChannel1
@@ -318,7 +319,7 @@ void APlayerCharacter::SetWalkingCallback(const FInputActionInstance& Instance)
 	}
 }
 
-void APlayerCharacter::CalculateHits(TArray<FHitResult>* hits)
+void APlayerCharacter::CalculateHits(TArray<FHitResult>* hits, FVector* dir)
 {
 	// Set up the collision query params, use the Weapon trace settings, Ignore the actor firing this trace
 	FCollisionQueryParams TraceParams(SCENE_QUERY_STAT(WeaponTrace), true, GetInstigator());
@@ -349,6 +350,7 @@ void APlayerCharacter::CalculateHits(TArray<FHitResult>* hits)
 	TraceStart = GetRootComponent()->GetComponentLocation();
 	FVector AimDir = CamHit.ImpactPoint - TraceStart;
 	AimDir.Normalize();
+	*dir = AimDir;
 	TraceStart = TraceStart + AimDir * ((GetInstigator()->GetActorLocation() - TraceStart) | AimDir);
 
 	// Calculate the hit results from the trace
@@ -371,7 +373,7 @@ void APlayerCharacter::CalculateHits(TArray<FHitResult>* hits)
 	}
 }
 
-void APlayerCharacter::ProcessHits(TArray<FHitResult> hits)
+void APlayerCharacter::ProcessHits(TArray<FHitResult> hits, FVector dir)
 {
 	for (FHitResult Hit : hits)
 	{
@@ -437,11 +439,13 @@ void APlayerCharacter::ProcessHits(TArray<FHitResult> hits)
 				FTransform transform;
 				transform.SetLocation(Hit.ImpactPoint);
 				
-				UGameplayStatics::SpawnEmitterAtLocation(this,
+				UNiagaraFunctionLibrary::SpawnSystemAtLocation(this,
 																CurrentWeapon->GetImpactParticleSystem(),
 																transform.GetLocation(),
-				                                         FRotator::ZeroRotator,
+																dir.MirrorByVector(Hit.ImpactNormal).Rotation(),
+																FVector(1),
 																true);
+				
 			}
 		}
 
@@ -643,8 +647,9 @@ void APlayerCharacter::OnFire()
 	CurrentWeapon->SetCurrentWeaponStatus(Firing);
 
 	TArray<FHitResult> Hits = TArray<FHitResult>();
-	CalculateHits(&Hits);
+	FVector direction = FVector::ZeroVector;
-	ProcessHits(Hits);
+	CalculateHits(&Hits, &direction);
+	ProcessHits(Hits, direction);
 
 	CurrentWeapon->DecrementAmmoCount(1);
 

Source/Nakatomi/PlayerCharacter.h

@@ -243,9 +243,9 @@ public:
 	void SetIsThrowing(bool bIsThrowing);
 
 protected:
-	virtual void CalculateHits(TArray<FHitResult>* hits) override;
+	virtual void CalculateHits(TArray<FHitResult>* hits, FVector* dir) override;
 
-	virtual void ProcessHits(TArray<FHitResult> hits) override;
+	virtual void ProcessHits(TArray<FHitResult> hits, FVector dir) override;
 
 	virtual void PlayOnFireAnimations() override;
 	

Source/Nakatomi/Weapon.cpp

@@ -125,7 +125,7 @@ TSubclassOf<ADecalActor> AWeapon::GetDecalActor()
 	return DecalActor;
 }
 
-UParticleSystem* AWeapon::GetImpactParticleSystem()
+UNiagaraSystem* AWeapon::GetImpactParticleSystem()
 {
 	return ImpactParticleSystem;
 }

Source/Nakatomi/Weapon.h

@@ -8,6 +8,7 @@
 #include "NakatomiFieldSystemActor.h"
 #include "WeaponProperties.h"
 #include "WeaponThrowable.h"
+#include "NiagaraSystem.h"
 #include "Weapon.generated.h"
 
 class ANakatomiCharacter;
@@ -56,7 +57,7 @@ protected:
 	TSubclassOf<class ADecalActor> DecalActor;
 
 	UPROPERTY(EditDefaultsOnly)
-	UParticleSystem* ImpactParticleSystem;
+	UNiagaraSystem* ImpactParticleSystem;
 
 public:
 	// Sets default values for this actor's properties
@@ -105,5 +106,5 @@ public:
 
 	TSubclassOf<class ADecalActor> GetDecalActor();
 
-	UParticleSystem* GetImpactParticleSystem();
+	UNiagaraSystem* GetImpactParticleSystem();
 };