Bind updating of EXPBar in code

Source/vampires/EXPComponent.cpp

@@ -19,13 +19,13 @@ void UEXPComponent::IncrementEXP(int value)
 	int oldLevel = CurrentLevel;
 	
 	CurrentEXP += value;
-	OnEXPGained.ExecuteIfBound(value);
+	OnEXPGained.Broadcast(CurrentEXP, GetCurrentLevelPercent());
 
 	CurrentLevel = FMath::Floor(CurrentEXP / 100.0f);
 	
 	if (CurrentLevel != oldLevel)
 	{
-		OnEXPLevelUp.ExecuteIfBound(CurrentLevel);
+		OnEXPLevelUp.Broadcast(CurrentLevel);
 	}
 }
 
@@ -36,13 +36,13 @@ void UEXPComponent::SetCurrentEXP(int value)
 	
 	// TODO: I should be updating the level here
 	CurrentEXP = value;
-	OnEXPGained.ExecuteIfBound(value);
+	OnEXPGained.Broadcast(CurrentEXP, GetCurrentLevelPercent());
 
 	CurrentLevel = FMath::Floor(CurrentEXP / 100.0f);
 	
 	if (CurrentLevel != oldLevel)
 	{
-		OnEXPLevelUp.ExecuteIfBound(CurrentLevel);
+		OnEXPLevelUp.Broadcast(CurrentLevel);
 	}
 }
 
@@ -60,8 +60,8 @@ void UEXPComponent::Reset()
 {
 	CurrentEXP = 0;
 	CurrentLevel = 0;
-	OnEXPGained.ExecuteIfBound(CurrentEXP);
-	OnEXPLevelUp.ExecuteIfBound(CurrentLevel);
+	OnEXPGained.Broadcast(CurrentEXP, GetCurrentLevelPercent());
+	OnEXPLevelUp.Broadcast(CurrentLevel);
 }
 
 float UEXPComponent::GetCurrentLevelPercent()

Source/vampires/EXPComponent.h

@@ -6,8 +6,8 @@
 #include "Components/ActorComponent.h"
 #include "EXPComponent.generated.h"
 
-DECLARE_DELEGATE_OneParam(FOnEXPGainedDelegate, int)
-DECLARE_DELEGATE_OneParam(FOnEXPLevelUpDelegate, int)
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FOnEXPGainedDelegate, int, exp, float, currentLevelPercent);
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnEXPLevelUpDelegate, int, level);
 
 UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
 class VAMPIRES_API UEXPComponent : public UActorComponent
@@ -15,7 +15,10 @@ class VAMPIRES_API UEXPComponent : public UActorComponent
 	GENERATED_BODY()
 
 public:
+	
+	UPROPERTY(BlueprintAssignable, Category="EXP")
 	FOnEXPGainedDelegate OnEXPGained;
+	UPROPERTY(BlueprintAssignable, Category="EXP")
 	FOnEXPLevelUpDelegate OnEXPLevelUp;
 
 protected:

Source/vampires/PlayerCharacter.cpp

@@ -54,16 +54,6 @@ APlayerCharacter::APlayerCharacter()
 void APlayerCharacter::BeginPlay()
 {
 	Super::BeginPlay();
-
-	if (PlayerHUD)
-	{
-		currentPlayerHUD = UUserWidget::CreateWidgetInstance(*GetWorld(), PlayerHUD, FName("Player HUD"));
-
-		if (currentPlayerHUD)
-		{
-			currentPlayerHUD->AddToViewport();
-		}
-	}
 }
 
 void APlayerCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)

Source/vampires/PlayerCharacter.h

@@ -48,17 +48,12 @@ public:
 
 	FVector2D PreviousMovementDirection = FVector2d(1.0f, 0.0f);
 
-	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
-	TSubclassOf<UUserWidget> PlayerHUD = nullptr;
-
 	UPROPERTY(EditAnywhere)
 	UWidgetComponent* HealthBarWidgetComponent;
 
 private:
 	FTimerHandle GarlicTimerHandle;
 
-	UUserWidget* currentPlayerHUD = nullptr;
-
 public:
 	APlayerCharacter();
 

Source/vampires/VampirePlayerController.cpp

@@ -3,3 +3,36 @@
 
 #include "VampirePlayerController.h"
 
+#include "EXPComponent.h"
+#include "HealthComponent.h"
+#include "Blueprint/UserWidget.h"
+#include "Widgets/HUDWidget.h"
+
+void AVampirePlayerController::OnPossess(APawn* aPawn)
+{
+	Super::OnPossess(aPawn);
+
+	if (PlayerHUD)
+	{
+		currentPlayerHUD = CreateWidget<UHUDWidget, AVampirePlayerController*>(this, PlayerHUD.Get());
+
+		if (UEXPComponent* expComponent = aPawn->GetComponentByClass<UEXPComponent>())
+		{
+			expComponent->OnEXPGained.AddUniqueDynamic(this, &AVampirePlayerController::UpdatePlayerEXPHUD);
+			UpdatePlayerEXPHUD(expComponent->GetCurrentEXP(), expComponent->GetCurrentLevelPercent());
+		}
+		
+		if (currentPlayerHUD)
+		{
+			currentPlayerHUD->AddToViewport();
+		}
+	}
+}
+
+void AVampirePlayerController::UpdatePlayerEXPHUD(int exp, float currentLevelPercent)
+{
+	if (currentPlayerHUD)
+	{
+		currentPlayerHUD->UpdateEXPBar(currentLevelPercent);
+	}
+}

Source/vampires/VampirePlayerController.h

@@ -6,12 +6,27 @@
 #include "GameFramework/PlayerController.h"
 #include "VampirePlayerController.generated.h"
 
+class UHUDWidget;
 /**
  * 
  */
-UCLASS()
+UCLASS(Abstract)
 class VAMPIRES_API AVampirePlayerController : public APlayerController
 {
 	GENERATED_BODY()
+
+public:
 	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	TSubclassOf<UHUDWidget> PlayerHUD = nullptr;
+
+private:
+
+	TObjectPtr<UHUDWidget> currentPlayerHUD = nullptr;
+
+protected:
+	virtual void OnPossess(APawn* aPawn) override;
+
+	UFUNCTION()
+	void UpdatePlayerEXPHUD(int exp, float currentLevelPercent);
 };

Source/vampires/Weapon.cpp

@@ -23,7 +23,7 @@ void AWeapon::BeginPlay()
 
 	if (expcomponent)
 	{
-		expcomponent->OnEXPLevelUp.BindUObject(this, &AWeapon::UpgradeWeapon);
+		expcomponent->OnEXPLevelUp.AddUniqueDynamic(this, &AWeapon::UpgradeWeapon);
 	}
 }
 

Source/vampires/Widgets/HUDWidget.cpp

@@ -3,3 +3,21 @@
 
 #include "HUDWidget.h"
 
+#include "Components/ProgressBar.h"
+
+void UHUDWidget::Init()
+{
+}
+
+void UHUDWidget::UpdateEXPBar(float currentLevelPercent)
+{
+	EXPbar->SetPercent(currentLevelPercent);
+}
+
+void UHUDWidget::UpdateLevelBlock()
+{
+}
+
+void UHUDWidget::UpdateTimerBlock()
+{
+}

Source/vampires/Widgets/HUDWidget.h

@@ -15,7 +15,7 @@ UCLASS()
 class VAMPIRES_API UHUDWidget : public UUserWidget
 {
 	GENERATED_BODY()
-
+	
 public:
 	
 	UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
@@ -26,5 +26,16 @@ public:
 		
 	UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
 	UTextBlock* TimerBLock;
+
+	void Init();
+	
+	UFUNCTION()
+	void UpdateEXPBar(float currentLevelPercent);
+
+	UFUNCTION()
+	void UpdateLevelBlock();
+
+	UFUNCTION()
+	void UpdateTimerBlock();
 	
 };