【UE4 C++】 SaveGame 存档/读档

创建 SaveGame 类

• 继承自 USaveGame

  UCLASS()
  class TIPS_API USimpleSaveGame : public USaveGame
  {
  	GENERATED_BODY()
  
  public:
  
  	UPROPERTY(EditAnywhere)
  		FString PlayerName;
  
  	UPROPERTY(EditAnywhere)
  		float PlayerHealth = 0.f;
  
  	UPROPERTY(EditAnywhere)
  		FTransform PlayerTrans;
  };
  

存档/读档

• 存档

  bool ADataDriveActor::SaveGame(const FString& Name, float Health, FTransform Transform)
  {
  	USimpleSaveGame* SaveGameIns = Cast<USimpleSaveGame>(UGameplayStatics::LoadGameFromSlot(TEXT("SaveGame"), 0));
  	if (!SaveGameIns)
  	{
  		SaveGameIns = Cast<USimpleSaveGame>(UGameplayStatics::CreateSaveGameObject(USimpleSaveGame::StaticClass()));
  	}
  	SaveGameIns->PlayerName = Name;
  	SaveGameIns->PlayerHealth = Health;
  	SaveGameIns->PlayerTrans = Transform;
  
  	return UGameplayStatics::SaveGameToSlot(SaveGameIns, TEXT("SaveGame"), 0);
  }
  

• 读档

  bool ADataDriveActor::LoadSaveGame(FString& Name, float& Health, FTransform& Transform)
  {
  	USimpleSaveGame* SaveGameIns = Cast<USimpleSaveGame>(UGameplayStatics::LoadGameFromSlot(TEXT("SaveGame"), 0));
  	if (!SaveGameIns)
  	{
  		return false;
  	}
  	Name = SaveGameIns->PlayerName;
  	Health = SaveGameIns->PlayerHealth;
  	Transform = SaveGameIns->PlayerTrans;
  
  	UE_LOG(LogTemp, Warning, TEXT("%s\t %f\n %s"), *Name, Health, *Transform.ToString());
  	return true;
  }