From 5e63345e81a5961c3e31d1d255eabc00bda95969 Mon Sep 17 00:00:00 2001
From: Jonathan Rampersad <rampersad.jonathan@gmail.com>
Date: Sun, 8 Jun 2025 11:25:02 -0400
Subject: [PATCH] Health and Mana Attributes

---
 .../AbilitySystem/AuraAttributeSet.cpp        | 43 +++++++++++++++++
 .../Public/AbilitySystem/AuraAttributeSet.h   | 46 +++++++++++++++++++
 2 files changed, 89 insertions(+)

diff --git a/Source/Aura/Private/AbilitySystem/AuraAttributeSet.cpp b/Source/Aura/Private/AbilitySystem/AuraAttributeSet.cpp
index ea29bd0..e612208 100644
--- a/Source/Aura/Private/AbilitySystem/AuraAttributeSet.cpp
+++ b/Source/Aura/Private/AbilitySystem/AuraAttributeSet.cpp
@@ -2,3 +2,46 @@
 
 
 #include "AbilitySystem/AuraAttributeSet.h"
+#include "Net/UnrealNetwork.h"
+
+UAuraAttributeSet::UAuraAttributeSet()
+{
+	InitHealth(100.f);
+	InitMaxHealth(100.f);
+	InitMana(50.f);
+	InitMaxMana(50.f);
+}
+
+void UAuraAttributeSet::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
+{
+	Super::GetLifetimeReplicatedProps(OutLifetimeProps);
+
+#define CON_NOTIFY(Attribute) \
+DOREPLIFETIME_CONDITION_NOTIFY(UAuraAttributeSet, Attribute, COND_None, REPNOTIFY_Always)
+
+	CON_NOTIFY(MaxHealth);
+	CON_NOTIFY(MaxMana);
+
+	CON_NOTIFY(Health)
+	CON_NOTIFY(Mana);
+}
+
+void UAuraAttributeSet::OnRep_Health(const FGameplayAttributeData& OldHealth) const
+{
+	GAMEPLAYATTRIBUTE_REPNOTIFY(UAuraAttributeSet, Health, OldHealth);
+}
+
+void UAuraAttributeSet::OnRep_MaxHealth(const FGameplayAttributeData& OldMaxHealth) const
+{
+	GAMEPLAYATTRIBUTE_REPNOTIFY(UAuraAttributeSet, MaxHealth, OldMaxHealth);
+}
+
+void UAuraAttributeSet::OnRep_Mana(const FGameplayAttributeData& OldMana) const
+{
+	GAMEPLAYATTRIBUTE_REPNOTIFY(UAuraAttributeSet, Mana, OldMana);
+}
+
+void UAuraAttributeSet::OnRep_MaxMana(const FGameplayAttributeData& OldMaxMana) const
+{
+	GAMEPLAYATTRIBUTE_REPNOTIFY(UAuraAttributeSet, MaxMana, OldMaxMana);
+}
\ No newline at end of file
diff --git a/Source/Aura/Public/AbilitySystem/AuraAttributeSet.h b/Source/Aura/Public/AbilitySystem/AuraAttributeSet.h
index 02e1550..75a60f9 100644
--- a/Source/Aura/Public/AbilitySystem/AuraAttributeSet.h
+++ b/Source/Aura/Public/AbilitySystem/AuraAttributeSet.h
@@ -3,8 +3,16 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include "AbilitySystemComponent.h"
 #include "AttributeSet.h"
 #include "AuraAttributeSet.generated.h"
+
+#define ATTRIBUTE_ACCESSORS(ClassName, PropertyName) \
+GAMEPLAYATTRIBUTE_PROPERTY_GETTER(ClassName, PropertyName) \
+GAMEPLAYATTRIBUTE_VALUE_GETTER(PropertyName) \
+GAMEPLAYATTRIBUTE_VALUE_SETTER(PropertyName) \
+GAMEPLAYATTRIBUTE_VALUE_INITTER(PropertyName)
+
 /**
  * 
  */
@@ -12,5 +20,43 @@ UCLASS()
 class AURA_API UAuraAttributeSet : public UAttributeSet
 {
 	GENERATED_BODY()
+
+public:
+	UAuraAttributeSet();
+	virtual void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;
+
+	/**
+	 * Vital attributes
+	 */
+	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Health, Category="Vital Attributes")
+	FGameplayAttributeData Health;
+	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Health);
+
+	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Mana, Category="Vital Attributes")
+	FGameplayAttributeData Mana;
+	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Mana);
+
+	/**
+	 * Secondary Attributes
+	 */
+	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_MaxHealth, Category="Secondary Attributes")
+	FGameplayAttributeData MaxHealth;
+	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, MaxHealth);
+
+	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_MaxMana, Category="Secondary Attributes")
+	FGameplayAttributeData MaxMana;
+	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, MaxMana);
+
+	UFUNCTION()
+	void OnRep_Health(const FGameplayAttributeData& OldHealth) const;
+
+	UFUNCTION()
+	void OnRep_Mana(const FGameplayAttributeData& OldMana) const;
+
+	UFUNCTION()
+	void OnRep_MaxHealth(const FGameplayAttributeData& OldMaxHealth) const;
+	
+	UFUNCTION()
+	void OnRep_MaxMana(const FGameplayAttributeData& OldMaxMana) const;
 	
 };
\ No newline at end of file