From ca617a8a3c8a7bb9464fa774585f87a975ac14dc Mon Sep 17 00:00:00 2001
From: baz <bazzadobs@live.co.uk>
Date: Sun, 15 Oct 2023 20:00:34 +0100
Subject: [PATCH] Spawn Particle System at Impact Point on a static object

---
 Source/Nakatomi/PlayerCharacter.cpp | 13 +++++++++++++
 Source/Nakatomi/Weapon.cpp          |  5 +++++
 Source/Nakatomi/Weapon.h            |  5 +++++
 3 files changed, 23 insertions(+)

diff --git a/Source/Nakatomi/PlayerCharacter.cpp b/Source/Nakatomi/PlayerCharacter.cpp
index 82ab14b..b730402 100644
--- a/Source/Nakatomi/PlayerCharacter.cpp
+++ b/Source/Nakatomi/PlayerCharacter.cpp
@@ -396,6 +396,19 @@ void APlayerCharacter::ProcessHits(TArray<FHitResult> hits)
 				rot.Yaw += 180.0f;
 				decalActor->SetActorRotation(rot);
 			}
+			
+			if (staticMeshComponent && !staticMeshComponent->IsSimulatingPhysics() &&
+				CurrentWeapon->GetImpactParticleSystem())
+			{
+				FTransform transform;
+				transform.SetLocation(Hit.ImpactPoint);
+
+				UGameplayStatics::SpawnEmitterAtLocation(this,
+				                                         CurrentWeapon->GetImpactParticleSystem(),
+				                                         transform.GetLocation(),
+				                                         FRotator::ZeroRotator,
+				                                         true);
+			}
 		}
 	}
 }
diff --git a/Source/Nakatomi/Weapon.cpp b/Source/Nakatomi/Weapon.cpp
index 377f647..da7c20e 100644
--- a/Source/Nakatomi/Weapon.cpp
+++ b/Source/Nakatomi/Weapon.cpp
@@ -125,6 +125,11 @@ TSubclassOf<ADecalActor> AWeapon::GetDecalActor()
 	return DecalActor;
 }
 
+UParticleSystem* AWeapon::GetImpactParticleSystem()
+{
+	return ImpactParticleSystem;
+}
+
 TSubclassOf<class ANakatomiFieldSystemActor> AWeapon::GetFieldSystemActor()
 {
 	return FieldSystemActor;
diff --git a/Source/Nakatomi/Weapon.h b/Source/Nakatomi/Weapon.h
index d1901f1..ddc9bdd 100644
--- a/Source/Nakatomi/Weapon.h
+++ b/Source/Nakatomi/Weapon.h
@@ -55,6 +55,9 @@ protected:
 	UPROPERTY(EditDefaultsOnly)
 	TSubclassOf<class ADecalActor> DecalActor;
 
+	UPROPERTY(EditDefaultsOnly)
+	UParticleSystem* ImpactParticleSystem;
+
 public:
 	// Sets default values for this actor's properties
 	AWeapon();
@@ -101,4 +104,6 @@ public:
 	TSubclassOf<AWeaponThrowable> GetWeaponThrowableTemplate();
 
 	TSubclassOf<class ADecalActor> GetDecalActor();
+
+	UParticleSystem* GetImpactParticleSystem();
 };