96 - Update Health in the HUD

Source/Blaster/Character/BlasterCharacter.cpp

@@ -5,6 +5,7 @@
 
 #include "Blaster/Blaster.h"
 #include "Blaster/Components/CombatComponent.h"
+#include "Blaster/PlayerController/BlasterPlayerController.h"
 #include "Blaster/Weapon/Weapon.h"
 #include "Camera/CameraComponent.h"
 #include "Components/CapsuleComponent.h"
@@ -48,6 +49,17 @@ ABlasterCharacter::ABlasterCharacter()
 	MinNetUpdateFrequency = 33.f;
 }
 
+void ABlasterCharacter::BeginPlay()
+{
+	Super::BeginPlay();
+
+	BlasterPlayerController = Cast<ABlasterPlayerController>(Controller);
+	if (BlasterPlayerController)
+	{
+		BlasterPlayerController->SetHUDHealth(Health, MaxHealth);
+	}
+}
+
 void ABlasterCharacter::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
 {
 	Super::GetLifetimeReplicatedProps(OutLifetimeProps);
@@ -100,11 +112,6 @@ void ABlasterCharacter::PlayHitReactMontage()
 	}
 }
 
-void ABlasterCharacter::BeginPlay()
-{
-	Super::BeginPlay();
-}
-
 void ABlasterCharacter::Tick(float DeltaTime)
 {
 	Super::Tick(DeltaTime);

Source/Blaster/Character/BlasterCharacter.h

@@ -103,6 +103,8 @@ private:
 
 	UFUNCTION()
 	void OnRep_Health();
+
+	class ABlasterPlayerController* BlasterPlayerController;
 	
 public:
 	void SetOverlappingWeapon(AWeapon* Weapon);

Source/Blaster/PlayerController/BlasterPlayerController.cpp

@@ -3,3 +3,33 @@
 
 #include "BlasterPlayerController.h"
 
+#include "Blaster/HUD/BlasterHUD.h"
+#include "Blaster/HUD/CharacterOverlay.h"
+#include "Components/ProgressBar.h"
+#include "Components/TextBlock.h"
+
+
+void ABlasterPlayerController::BeginPlay()
+{
+	Super::BeginPlay();
+
+	BlasterHUD = Cast<ABlasterHUD>(GetHUD());
+}
+
+void ABlasterPlayerController::SetHUDHealth(float Health, float MaxHealth)
+{
+	BlasterHUD = BlasterHUD == nullptr ? Cast<ABlasterHUD>(GetHUD()) : BlasterHUD;
+	bool bHUDValid =
+		BlasterHUD &&
+		BlasterHUD->CharacterOverlay &&
+		BlasterHUD->CharacterOverlay->HealthBar &&
+		BlasterHUD->CharacterOverlay->HealthText;
+	
+	if (bHUDValid)
+	{
+		const float HealthPercent = Health / MaxHealth;
+		BlasterHUD->CharacterOverlay->HealthBar->SetPercent(HealthPercent);
+		const FString HealthText = FString::Printf(TEXT("%d/%d"), FMath::CeilToInt(Health), FMath::CeilToInt(MaxHealth));
+		BlasterHUD->CharacterOverlay->HealthText->SetText(FText::FromString(HealthText));
+	}
+}

Source/Blaster/PlayerController/BlasterPlayerController.h

@@ -13,5 +13,17 @@ UCLASS()
 class BLASTER_API ABlasterPlayerController : public APlayerController
 {
 	GENERATED_BODY()
+
+public:
+
+	void SetHUDHealth(float Health, float MaxHealth);
+	
+protected:
+
+	virtual void BeginPlay() override;
+	
+private:
+
+	class ABlasterHUD* BlasterHUD;
 	
 };