From c47a072996497d70d23682b3b21edb2d06949730 Mon Sep 17 00:00:00 2001
From: Louis Hobbs <bazzadobs@live.co.uk>
Date: Tue, 13 Dec 2022 04:10:20 +0000
Subject: [PATCH] Add Health Components

---
 Source/Nakatomi/HealthComponent.cpp       | 107 ++++++++++++++++++++++
 Source/Nakatomi/HealthComponent.h         |  81 ++++++++++++++++
 Source/Nakatomi/PlayerHealthComponent.cpp |   9 ++
 Source/Nakatomi/PlayerHealthComponent.h   |  20 ++++
 4 files changed, 217 insertions(+)
 create mode 100644 Source/Nakatomi/HealthComponent.cpp
 create mode 100644 Source/Nakatomi/HealthComponent.h
 create mode 100644 Source/Nakatomi/PlayerHealthComponent.cpp
 create mode 100644 Source/Nakatomi/PlayerHealthComponent.h

diff --git a/Source/Nakatomi/HealthComponent.cpp b/Source/Nakatomi/HealthComponent.cpp
new file mode 100644
index 0000000..0f6f24d
--- /dev/null
+++ b/Source/Nakatomi/HealthComponent.cpp
@@ -0,0 +1,107 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "HealthComponent.h"
+
+// Sets default values for this component's properties
+UHealthComponent::UHealthComponent()
+{
+	// Set this component to be initialized when the game starts, and to be ticked every frame.  You can turn these features
+	// off to improve performance if you don't need them.
+	PrimaryComponentTick.bCanEverTick = false;
+
+	// ...
+}
+
+void UHealthComponent::TakeDamage()
+{
+}
+
+void UHealthComponent::DecrementHealth(float value)
+{
+	value *= !CanDamage;
+
+	CurrentHealth -= value;
+
+	if (CurrentHealth <= 0.0f)
+	{
+		// TODO: Call some death logic here
+		OnDeath.ExecuteIfBound();
+	}
+}
+
+void UHealthComponent::IncrementHealth(float value)
+{
+	CurrentHealth += value;
+
+	if (CurrentHealth > MaxHealth)
+	{
+		CurrentHealth = MaxHealth;
+	}
+}
+
+float UHealthComponent::GetMaxHealth()
+{
+	return MaxHealth;
+}
+
+void UHealthComponent::SetMaxHealth(float value)
+{
+	MaxHealth = value;
+}
+
+float UHealthComponent::GetCurrentHealth()
+{
+	return CurrentHealth;
+}
+
+void UHealthComponent::SetCurrentHealth(float value)
+{
+	// TODO: We might want to add some extra checking here
+	CurrentHealth = value;
+}
+
+void UHealthComponent::ResetHealth()
+{
+	CurrentHealth = MaxHealth;
+}
+
+void UHealthComponent::RecoverHealth(float value)
+{
+	// TODO: We might want to add some extra checking here
+	IncrementHealth(value);
+}
+
+bool UHealthComponent::GetIsDead()
+{
+	return IsDead;
+}
+
+void UHealthComponent::SetIsDead(bool isDead)
+{
+	IsDead = isDead;
+}
+
+bool UHealthComponent::GetCanDamage()
+{
+	return CanDamage;
+}
+
+void UHealthComponent::SetCanDamage(bool canDamage)
+{
+	CanDamage = canDamage;
+}
+
+
+// Called when the game starts
+void UHealthComponent::BeginPlay()
+{
+	Super::BeginPlay();
+
+	// ...
+	
+}
+
+
+
+
diff --git a/Source/Nakatomi/HealthComponent.h b/Source/Nakatomi/HealthComponent.h
new file mode 100644
index 0000000..ef0f6d9
--- /dev/null
+++ b/Source/Nakatomi/HealthComponent.h
@@ -0,0 +1,81 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Components/ActorComponent.h"
+#include "HealthComponent.generated.h"
+
+DECLARE_DELEGATE(FOnDeathDelegate)
+
+UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )
+class NAKATOMI_API UHealthComponent : public UActorComponent
+{
+	GENERATED_BODY()
+
+public:	
+	
+	FOnDeathDelegate OnDeath;
+
+private:
+
+	UPROPERTY(EditDefaultsOnly)
+	float MaxHealth = 100.f;
+
+	UPROPERTY(VisibleAnywhere)
+	float CurrentHealth;
+
+	bool IsDead = false;
+
+	bool CanDamage;
+
+public:
+
+	// Sets default values for this component's properties
+	UHealthComponent();
+
+	UFUNCTION()
+	void TakeDamage();
+	
+	UFUNCTION()
+	void DecrementHealth(float value);
+
+	UFUNCTION()
+	void IncrementHealth(float value);
+
+	UFUNCTION()
+	float GetMaxHealth();
+
+	UFUNCTION()
+	void SetMaxHealth(float value);
+
+	UFUNCTION()
+	float GetCurrentHealth();
+
+	UFUNCTION()
+	void SetCurrentHealth(float value);
+
+	UFUNCTION()
+	void ResetHealth();
+
+	UFUNCTION()
+	void RecoverHealth(float healing);
+
+	UFUNCTION()
+	bool GetIsDead();
+
+	UFUNCTION()
+	void SetIsDead(bool isDead);
+
+	UFUNCTION()
+	bool GetCanDamage();
+
+	UFUNCTION()
+	void SetCanDamage(bool canDamage);
+
+protected:
+	// Called when the game starts
+	virtual void BeginPlay() override;
+
+		
+};
diff --git a/Source/Nakatomi/PlayerHealthComponent.cpp b/Source/Nakatomi/PlayerHealthComponent.cpp
new file mode 100644
index 0000000..f6ca724
--- /dev/null
+++ b/Source/Nakatomi/PlayerHealthComponent.cpp
@@ -0,0 +1,9 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "PlayerHealthComponent.h"
+
+void UPlayerHealthComponent::BeginPlay()
+{
+	Super::BeginPlay();
+}
diff --git a/Source/Nakatomi/PlayerHealthComponent.h b/Source/Nakatomi/PlayerHealthComponent.h
new file mode 100644
index 0000000..c4cf8d6
--- /dev/null
+++ b/Source/Nakatomi/PlayerHealthComponent.h
@@ -0,0 +1,20 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "HealthComponent.h"
+#include "PlayerHealthComponent.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UPlayerHealthComponent : public UHealthComponent
+{
+	GENERATED_BODY()
+	
+protected:
+	virtual void BeginPlay() override;
+
+};