[UE5] 위젯에 실제 데이터 바인딩 구현1, cpp에서 태그추가-조회

1. GETag 저장용 클래스생성(싱글톤)

싱글톤만드는법 : static getter, setter 만듬

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "GameplayTagContainer.h"

/**
 * AuraGameplayTags
 *
 * 싱글톤, 포함하는 native GETags
 */

struct FAuraGameplayTags
{
public:
 static const FAuraGameplayTags& Get(){ return GameplayTags; }
 static void InitializeNativeGameplayTags(); //@Setter
 
protected:

private:
 static FAuraGameplayTags GameplayTags;
};

// Fill out your copyright notice in the Description page of Project Settings.


#include "AuraGameplayTags.h"
#include "GameplayTagsManager.h"

FAuraGameplayTags FAuraGameplayTags::GameplayTags; //전역변수

void FAuraGameplayTags::InitializeNativeGameplayTags()
{
    //단순히 태그를 추가
    UGameplayTagsManager::Get().AddNativeGameplayTag(FName("Attributes.Secondary.Armor"),FString("Reduces damage taken, improves Block Chance"));
}

프로젝트세팅에서 태그추가하는 작업이랑 똑같음!

* 커스텀 에셋매니저 만들기

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "Engine/AssetManager.h"
#include "AuraAssetManager.generated.h"

/**
 * 
 */
UCLASS()
class AURA_API UAuraAssetManager : public UAssetManager
{
    GENERATED_BODY()

public:
    const UAuraAssetManager& Get();

protected:
    virtual void StartInitialLoading() override;
};

// Fill out your copyright notice in the Description page of Project Settings.


#include "AuraAssetManager.h"
#include "AuraGameplayTags.h"

const UAuraAssetManager& UAuraAssetManager::Get()
{
    check(GEngine);
    UAuraAssetManager* AuraAssetManager = Cast<UAuraAssetManager>(GEngine->AssetManager);
    return *AuraAssetManager; 
}

void UAuraAssetManager::StartInitialLoading() //게임 에셋들 초기세팅하는 함수
{
    Super::StartInitialLoading();
    //Tag들 추가 하기 최적의 장소!
    FAuraGameplayTags::InitializeNativeGameplayTags();

    //할일 : AuraAssetManager를 AssetManager로 설정
}

* 에셋매니저를 커스텀으로 설정

* cpp native tag를 만드는 방법은 알겠는데, 이미 만든속성을 cpp native로 만드는방법은?

1. DT지우고 다시 설정하면됨 ㅋㅋ

* cpp에서 GETag는 어떻게 사용?

1. 일단 특정 태그를 Tag변수에 저장해둠

struct FAuraGameplayTags
{
public:
 static const FAuraGameplayTags& Get(){ return GameplayTags; }
 static void InitializeNativeGameplayTags(); //@Setter

 FGameplayTag Attributes_Secondary_Armor;

FAuraGameplayTags FAuraGameplayTags::GameplayTags; //전역변수

void FAuraGameplayTags::InitializeNativeGameplayTags()
{
    //단순히 태그를 추가
    GameplayTags.Attributes_Secondary_Armor = UGameplayTagsManager::Get().AddNativeGameplayTag(FName("Attributes.Secondary.Armor"),FString("Reduces damage taken, improves Block Chance"));
}

2. Test위치를 설정하고, Get한다음, 디버그찍어봄

void UAuraAbilitySystemComponent::AbilityActorInfoSet()
{
    OnGameplayEffectAppliedDelegateToSelf.AddUObject(this,&UAuraAbilitySystemComponent::EffectApplied);

    const FAuraGameplayTags& GameplayTags= FAuraGameplayTags::Get();
    //GameplayTags.Attributes_Secondary_Armor.ToString();
    GEngine->AddOnScreenDebugMessage(
       -1,10.f,FColor::Orange,FString::Printf(TEXT("Tag : %s"),*GameplayTags.Attributes_Secondary_Armor.ToString()))
}

cpp에서 각 태그변수만들고, 저장하면 되겠다.

*실습

struct FAuraGameplayTags
{
public:
    static const FAuraGameplayTags& Get(){ return GameplayTags; }
    static void InitializeNativeGameplayTags(); //@Setter
    FGameplayTag Attributes_Primary_Strength;
    FGameplayTag Attributes_Primary_Intelligence;
    FGameplayTag Attributes_Primary_Resilience;
    FGameplayTag Attributes_Primary_Vigor;

    FGameplayTag Attributes_Secondary_Armor;
    FGameplayTag Attributes_Secondary_ArmorPenetration;
    FGameplayTag Attributes_Secondary_BlockChance;
    FGameplayTag Attributes_Secondary_CriticalHitChance;
    FGameplayTag Attributes_Secondary_CriticalHitDamage;
    FGameplayTag Attributes_Secondary_CriticalHitResistance;
    FGameplayTag Attributes_Secondary_HealthRegeneration;
    FGameplayTag Attributes_Secondary_ManaRegeneration;
    FGameplayTag Attributes_Secondary_MaxHealth;
    FGameplayTag Attributes_Secondary_MaxMana;

cpp에서 추가할속성 변수 노가다

// Fill out your copyright notice in the Description page of Project Settings.


#include "AuraGameplayTags.h"
#include "GameplayTagsManager.h"

FAuraGameplayTags FAuraGameplayTags::GameplayTags; //전역변수

void FAuraGameplayTags::InitializeNativeGameplayTags()
{
       /*
     * Primary Attributes
     */
    GameplayTags.Attributes_Primary_Strength = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Primary.Strength"),
       FString("Increases physical damage")
       );

    GameplayTags.Attributes_Primary_Intelligence = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Primary.Intelligence"),
       FString("Increases magical damage")
       );

    GameplayTags.Attributes_Primary_Resilience = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Primary.Resilience"),
       FString("Increases Armor and Armor Penetration")
       );

    GameplayTags.Attributes_Primary_Vigor = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Primary.Vigor"),
       FString("Increases Health")
       );

    /*
     * Secondary Attributes
     */

    GameplayTags.Attributes_Secondary_Armor = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.Armor"),
       FString("Reduces damage taken, improves Block Chance")
       );

    GameplayTags.Attributes_Secondary_ArmorPenetration = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.ArmorPenetration"),
       FString("Ignores Percentage of enemy Armor, increases Critical Hit Chance")
       );

    GameplayTags.Attributes_Secondary_BlockChance = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.BlockChance"),
       FString("Chance to cut incoming damage in half")
       );

    GameplayTags.Attributes_Secondary_CriticalHitChance = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.CriticalHitChance"),
       FString("Chance to double damage plus critical hit bonus")
       );

    GameplayTags.Attributes_Secondary_CriticalHitDamage = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.CriticalHitDamage"),
       FString("Bonus damage added when a critical hit is scored")
       );

    GameplayTags.Attributes_Secondary_CriticalHitResistance = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.CriticalHitResistance"),
       FString("Reduces Critical Hit Chance of attacking enemies")
       );

    GameplayTags.Attributes_Secondary_HealthRegeneration = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.HealthRegeneration"),
       FString("Amount of Health regenerated every 1 second")
       );

    GameplayTags.Attributes_Secondary_ManaRegeneration = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.ManaRegeneration"),
       FString("Amount of Mana regenerated every 1 second")
       );

    GameplayTags.Attributes_Secondary_MaxHealth = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.MaxHealth"),
       FString("Maximum amount of Health obtainable")
       );

    GameplayTags.Attributes_Secondary_MaxMana = UGameplayTagsManager::Get().AddNativeGameplayTag(
       FName("Attributes.Secondary.MaxMana"),
       FString("Maximum amount of Mana obtainable")
       );
}

실제로 에디터에 태그 추가 노가다 && 변수에 넣기

https://github.com/DongHoonYu96/GameplayAbilitySystem_Aura/commit/75ad559cfb24a8aeddccf74506e9075a182f26b6

feat : cpp 에서 native tag 추가 구현 · DongHoonYu96/GameplayAbilitySystem_Aura@75ad559

Bisu96 committed Jun 7, 2024

github.com

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*실습

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