[FPSScoring] 게임 저장 기능

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

#pragma once

#include "CoreMinimal.h"
#include "Engine/GameInstance.h"
#include "FSGameInstance.generated.h"

/**
 * 
 */
UCLASS()
class FPSSCORING_API UFSGameInstance : public UGameInstance
{
	GENERATED_BODY()
	
public:
	UFSGameInstance();

	void SaveGame();
	void LoadGame();
	FORCEINLINE int32 GetMaxScore() { return MaxScore; }

private:
	int32 MaxScore;
};

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


#include "Game/FSGameInstance.h"
#include "Kismet/GameplayStatics.h"
#include "Game/FSSaveGame.h"
#include "Subsystem/FSScoreSubsystem.h"
#include "Blueprint/UserWidget.h"
#include "Components/TextBlock.h"

UFSGameInstance::UFSGameInstance()
{
	MaxScore = 0;
}

void UFSGameInstance::SaveGame()
{
	UFSSaveGame* SaveGameInstance = Cast<UFSSaveGame>(UGameplayStatics::CreateSaveGameObject(UFSSaveGame::StaticClass()));

	if ( SaveGameInstance )
	{
		UFSScoreSubsystem* ScoreSubsystem = GetWorld()->GetSubsystem<UFSScoreSubsystem>();
		if ( ScoreSubsystem )
		{
			if ( MaxScore < ScoreSubsystem->GetScore())
			{
				SaveGameInstance->Score = ScoreSubsystem->GetScore();

				UGameplayStatics::SaveGameToSlot(SaveGameInstance, TEXT("PlayerSaveSlot"), 0);
			}
		}
	}
}

void UFSGameInstance::LoadGame()
{
	if ( UGameplayStatics::DoesSaveGameExist(TEXT("PlayerSaveSlot"), 0))
	{
		UFSSaveGame* LoadGameInstance = Cast<UFSSaveGame>(UGameplayStatics::LoadGameFromSlot(TEXT("PlayerSaveSlot"), 0));

		if ( LoadGameInstance )
		{
			MaxScore = LoadGameInstance->Score;
			UE_LOG(LogTemp, Log, TEXT("LoadGame - Score : %d"), MaxScore);
		}
	}
}

게임 인스턴스에서 USaveGame 상속받은 거 기반으로 만들어주면 됨

 

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

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/SaveGame.h"
#include "FSSaveGame.generated.h"

/**
 * 
 */
UCLASS()
class FPSSCORING_API UFSSaveGame : public USaveGame
{
	GENERATED_BODY()
	
public:
	UFSSaveGame();

	UPROPERTY(VisibleAnywhere, Category = "SaveGame Data")
	int32 Score;
};

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


#include "Game/FSSaveGame.h"

UFSSaveGame::UFSSaveGame()
{
	Score = 0;
}

SaveGame 파생 클래스에선 저장할 데이터 넣어두면 됨