From 5e0433905f236b1f425760bbee94486ea0f4cec8 Mon Sep 17 00:00:00 2001
From: baz <bazzadobs@live.co.uk>
Date: Sat, 9 Mar 2024 03:52:14 +0000
Subject: [PATCH] Rotate Healthbar to face Player Camera in Tick

---
 Source/Nakatomi/EnemyCharacter.cpp | 19 +++++++++++++++++++
 Source/Nakatomi/EnemyCharacter.h   |  3 +++
 2 files changed, 22 insertions(+)

diff --git a/Source/Nakatomi/EnemyCharacter.cpp b/Source/Nakatomi/EnemyCharacter.cpp
index 3bef9c6..2efa28f 100644
--- a/Source/Nakatomi/EnemyCharacter.cpp
+++ b/Source/Nakatomi/EnemyCharacter.cpp
@@ -8,6 +8,8 @@
 #include "BehaviorTree/BehaviorTree.h"
 #include "BehaviorTree/BlackboardComponent.h"
 #include "BehaviorTree/BlackboardData.h"
+#include "Kismet/GameplayStatics.h"
+#include "Kismet/KismetMathLibrary.h"
 #include "UI/EnemyHealthbarUserWidget.h"
 
 #define COLLISION_WEAPON	ECC_GameTraceChannel1
@@ -78,6 +80,23 @@ void AEnemyCharacter::BeginPlay()
 	}
 }
 
+void AEnemyCharacter::Tick(float DeltaTime)
+{
+	Super::Tick(DeltaTime);
+
+	APlayerCharacter* PlayerCharacter = Cast<APlayerCharacter>(UGameplayStatics::GetPlayerCharacter(GetWorld(), 0));
+	if (PlayerCharacter && HealthbarWidgetComponent->GetWidget())
+	{
+		FVector ActorLocation = GetActorLocation();
+
+		UCameraComponent* PlayerCamera = PlayerCharacter->GetCameraComponent();
+		FVector PlayerLocation = PlayerCamera->GetComponentTransform().GetLocation();
+
+		FRotator rotation = UKismetMathLibrary::FindLookAtRotation(ActorLocation, PlayerLocation);
+		HealthbarWidgetComponent->SetWorldRotation(rotation);
+	}
+}
+
 void AEnemyCharacter::PlayOnFireAnimations()
 {
 	Super::PlayOnFireAnimations();
diff --git a/Source/Nakatomi/EnemyCharacter.h b/Source/Nakatomi/EnemyCharacter.h
index 8b7bd08..545a6f6 100644
--- a/Source/Nakatomi/EnemyCharacter.h
+++ b/Source/Nakatomi/EnemyCharacter.h
@@ -53,6 +53,9 @@ public:
 protected:
 	virtual void BeginPlay() override;
 
+public:
+	virtual void Tick(float DeltaTime) override;
+
 private:
 	virtual void PlayOnFireAnimations() override;