JKSV/include/fs/SaveMetaData.hpp
2025-06-07 15:34:28 -04:00

45 lines
1.8 KiB
C++

#pragma once
#include "data/TitleInfo.hpp"
#include <cstdint>
#include <switch.h>
namespace fs
{
/// @brief This is the magic value written to the beginning.
constexpr uint64_t SAVE_META_MAGIC = 0x56534B4A;
/// @brief This is the filename used for the save data meta info.
static constexpr std::string_view NAME_SAVE_META = ".jksv_save_meta.bin";
/// @brief This struct is for storing the data necessary to restore saves to a different console.
typedef struct __attribute__((packed))
{
/// @brief Magic.
uint32_t m_magic;
/// @brief Application ID.
uint64_t m_applicationID;
/// @brief Save data type.
uint8_t m_saveType;
/// @brief Save data rank.
uint8_t m_saveRank;
/// @brief Save data space id.
uint8_t m_saveSpaceID;
/// @brief Base save data size.
int64_t m_saveDataSize;
/// @brief Maximum save size "allowed".
int64_t m_saveDataSizeMax;
/// @brief Base journaling size.
int64_t m_journalSize;
/// @brief Maximum journaling size.
int64_t m_journalSizeMax;
/// @brief Total size of the files in the backup. For ZIP, this is uncompressed.
uint64_t m_totalSaveSize;
} SaveMetaData;
/// @brief Didn't feel like a whole new file just for this. Fills an fs::SaveMetaData struct using the passed TitleInfo pointer.
/// @param titleInfo TitleInfo instance to use to create the meta.
/// @param info Reference to FsSaveDataInfo struct to use to fill out the meta struct.
/// @param meta Struct to fill.
void create_save_meta_data(data::TitleInfo *titleInfo, const FsSaveDataInfo *saveInfo, SaveMetaData &meta);
} // namespace fs