Add Healthbar to player

Source/vampires/PlayerCharacter.cpp

@@ -35,6 +35,13 @@ APlayerCharacter::APlayerCharacter()
 
 	//Create Weapon Inventory Component
 	WeaponInventoryComponent = CreateDefaultSubobject<UWeaponInventoryComponent>(TEXT("Weapon Inventory Component"));
+
+	// Create HealthBar Widget Component
+	HealthBarWidgetComponent = CreateDefaultSubobject<UWidgetComponent>(TEXT("Healthbar"));
+	HealthBarWidgetComponent->SetupAttachment(RootComponent);
+	HealthBarWidgetComponent->SetRelativeLocation(FVector(0,0,90));
+	HealthBarWidgetComponent->SetTwoSided(true);
+	HealthBarWidgetComponent->SetBackgroundColor(FLinearColor(1,1,1,0));
 }
 
 void APlayerCharacter::BeginPlay()

Source/vampires/PlayerCharacter.h

@@ -10,6 +10,7 @@
 #include "Camera/CameraComponent.h"
 #include "GameFramework/SpringArmComponent.h"
 #include "Blueprint/UserWidget.h"
+#include "Components/WidgetComponent.h"
 #include "PlayerCharacter.generated.h"
 
 class UInputMappingContext;
@@ -50,6 +51,9 @@ public:
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
 	TSubclassOf<UUserWidget> PlayerHUD = nullptr;
 
+	UPROPERTY(EditAnywhere)
+	UWidgetComponent* HealthBarWidgetComponent;
+
 private:
 	FTimerHandle GarlicTimerHandle;
 

Source/vampires/VampireAIController.h

@@ -19,7 +19,6 @@ class VAMPIRES_API AVampireAIController : public AAIController
 {
 	GENERATED_BODY()
 
-private:
 	UBlackboardComponent* Blackboard;
 
 	UBehaviorTreeComponent* BehaviorTree;

Source/vampires/Widgets/HealthbarWidget.cpp

@@ -0,0 +1,23 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "HealthbarWidget.h"
+
+#include "Kismet/GameplayStatics.h"
+#include "vampires/PlayerCharacter.h"
+
+void UHealthbarWidget::NativeConstruct()
+{
+	Super::NativeConstruct();
+	APlayerCharacter* player = Cast<APlayerCharacter>(UGameplayStatics::GetPlayerCharacter(GetWorld(), 0));
+	UHealthComponent* healthComponent = player->GetHealthComponent();
+	healthComponent->OnDamaged.BindUFunction(this, "UpdateHealthBar");
+	UpdateHealthBar();
+}
+
+void UHealthbarWidget::UpdateHealthBar()
+{
+	APlayerCharacter* player = Cast<APlayerCharacter>(UGameplayStatics::GetPlayerCharacter(GetWorld(), 0));
+	float percent = player->GetHealthComponent()->GetCurrentHealth() / player->GetHealthComponent()->GetMaxHealth();
+	HealthBar->SetPercent(percent);
+}

Source/vampires/Widgets/HealthbarWidget.h

@@ -0,0 +1,28 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Blueprint/UserWidget.h"
+#include "Components/ProgressBar.h"
+#include "vampires/VampireCharacter.h"
+#include "HealthbarWidget.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class VAMPIRES_API UHealthbarWidget : public UUserWidget
+{
+	GENERATED_BODY()
+
+public:
+	UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
+	UProgressBar* HealthBar;
+
+	virtual void NativeConstruct() override;
+	
+private:
+	UFUNCTION()
+	void UpdateHealthBar();
+};