diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/core/file_sys/patch_manager.cpp | 134 | ||||
-rw-r--r-- | src/core/file_sys/patch_manager.h | 48 |
2 files changed, 95 insertions, 87 deletions
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp index c228d253e..87c354a43 100644 --- a/src/core/file_sys/patch_manager.cpp +++ b/src/core/file_sys/patch_manager.cpp @@ -27,6 +27,7 @@ #include "core/settings.h" namespace FileSys { +namespace { constexpr u64 SINGLE_BYTE_MODULUS = 0x100; constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000; @@ -36,19 +37,28 @@ constexpr std::array<const char*, 14> EXEFS_FILE_NAMES{ "subsdk3", "subsdk4", "subsdk5", "subsdk6", "subsdk7", "subsdk8", "subsdk9", }; -std::string FormatTitleVersion(u32 version, TitleVersionFormat format) { +enum class TitleVersionFormat : u8 { + ThreeElements, ///< vX.Y.Z + FourElements, ///< vX.Y.Z.W +}; + +std::string FormatTitleVersion(u32 version, + TitleVersionFormat format = TitleVersionFormat::ThreeElements) { std::array<u8, sizeof(u32)> bytes{}; - bytes[0] = version % SINGLE_BYTE_MODULUS; + bytes[0] = static_cast<u8>(version % SINGLE_BYTE_MODULUS); for (std::size_t i = 1; i < bytes.size(); ++i) { version /= SINGLE_BYTE_MODULUS; - bytes[i] = version % SINGLE_BYTE_MODULUS; + bytes[i] = static_cast<u8>(version % SINGLE_BYTE_MODULUS); } - if (format == TitleVersionFormat::FourElements) + if (format == TitleVersionFormat::FourElements) { return fmt::format("v{}.{}.{}.{}", bytes[3], bytes[2], bytes[1], bytes[0]); + } return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]); } +// Returns a directory with name matching name case-insensitive. Returns nullptr if directory +// doesn't have a directory with name. VirtualDir FindSubdirectoryCaseless(const VirtualDir dir, std::string_view name) { #ifdef _WIN32 return dir->GetSubdirectory(name); @@ -65,6 +75,45 @@ VirtualDir FindSubdirectoryCaseless(const VirtualDir dir, std::string_view name) #endif } +std::optional<std::vector<Core::Memory::CheatEntry>> ReadCheatFileFromFolder( + const Core::System& system, u64 title_id, const PatchManager::BuildID& build_id_, + const VirtualDir& base_path, bool upper) { + const auto build_id_raw = Common::HexToString(build_id_, upper); + const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2); + const auto file = base_path->GetFile(fmt::format("{}.txt", build_id)); + + if (file == nullptr) { + LOG_INFO(Common_Filesystem, "No cheats file found for title_id={:016X}, build_id={}", + title_id, build_id); + return std::nullopt; + } + + std::vector<u8> data(file->GetSize()); + if (file->Read(data.data(), data.size()) != data.size()) { + LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}, build_id={}", + title_id, build_id); + return std::nullopt; + } + + Core::Memory::TextCheatParser parser; + return parser.Parse(system, + std::string_view(reinterpret_cast<const char*>(data.data()), data.size())); +} + +void AppendCommaIfNotEmpty(std::string& to, std::string_view with) { + if (to.empty()) { + to += with; + } else { + to += ", "; + to += with; + } +} + +bool IsDirValidAndNonEmpty(const VirtualDir& dir) { + return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty()); +} +} // Anonymous namespace + PatchManager::PatchManager(u64 title_id) : title_id(title_id) {} PatchManager::~PatchManager() = default; @@ -245,7 +294,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st return out; } -bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const { +bool PatchManager::HasNSOPatch(const BuildID& build_id_) const { const auto build_id_raw = Common::HexToString(build_id_); const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1); @@ -265,36 +314,8 @@ bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const { return !CollectPatches(patch_dirs, build_id).empty(); } -namespace { -std::optional<std::vector<Core::Memory::CheatEntry>> ReadCheatFileFromFolder( - const Core::System& system, u64 title_id, const std::array<u8, 0x20>& build_id_, - const VirtualDir& base_path, bool upper) { - const auto build_id_raw = Common::HexToString(build_id_, upper); - const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2); - const auto file = base_path->GetFile(fmt::format("{}.txt", build_id)); - - if (file == nullptr) { - LOG_INFO(Common_Filesystem, "No cheats file found for title_id={:016X}, build_id={}", - title_id, build_id); - return std::nullopt; - } - - std::vector<u8> data(file->GetSize()); - if (file->Read(data.data(), data.size()) != data.size()) { - LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}, build_id={}", - title_id, build_id); - return std::nullopt; - } - - Core::Memory::TextCheatParser parser; - return parser.Parse(system, - std::string_view(reinterpret_cast<const char*>(data.data()), data.size())); -} - -} // Anonymous namespace - std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList( - const Core::System& system, const std::array<u8, 32>& build_id_) const { + const Core::System& system, const BuildID& build_id_) const { const auto load_dir = system.GetFileSystemController().GetModificationLoadRoot(title_id); if (load_dir == nullptr) { LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id); @@ -435,21 +456,11 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content return romfs; } -static void AppendCommaIfNotEmpty(std::string& to, const std::string& with) { - if (to.empty()) - to += with; - else - to += ", " + with; -} - -static bool IsDirValidAndNonEmpty(const VirtualDir& dir) { - return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty()); -} - -std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNames( - VirtualFile update_raw) const { - if (title_id == 0) +PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile update_raw) const { + if (title_id == 0) { return {}; + } + std::map<std::string, std::string, std::less<>> out; const auto& installed = Core::System::GetInstance().GetContentProvider(); const auto& disabled = Settings::values.disabled_addons[title_id]; @@ -472,8 +483,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam if (meta_ver.value_or(0) == 0) { out.insert_or_assign(update_label, ""); } else { - out.insert_or_assign( - update_label, FormatTitleVersion(*meta_ver, TitleVersionFormat::ThreeElements)); + out.insert_or_assign(update_label, FormatTitleVersion(*meta_ver)); } } else if (update_raw != nullptr) { out.insert_or_assign(update_label, "PACKED"); @@ -562,40 +572,46 @@ std::optional<u32> PatchManager::GetGameVersion() const { return installed.GetEntryVersion(title_id); } -std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const { +PatchManager::Metadata PatchManager::GetControlMetadata() const { const auto& installed = Core::System::GetInstance().GetContentProvider(); const auto base_control_nca = installed.GetEntry(title_id, ContentRecordType::Control); - if (base_control_nca == nullptr) + if (base_control_nca == nullptr) { return {}; + } return ParseControlNCA(*base_control_nca); } -std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(const NCA& nca) const { +PatchManager::Metadata PatchManager::ParseControlNCA(const NCA& nca) const { const auto base_romfs = nca.GetRomFS(); - if (base_romfs == nullptr) + if (base_romfs == nullptr) { return {}; + } const auto romfs = PatchRomFS(base_romfs, nca.GetBaseIVFCOffset(), ContentRecordType::Control); - if (romfs == nullptr) + if (romfs == nullptr) { return {}; + } const auto extracted = ExtractRomFS(romfs); - if (extracted == nullptr) + if (extracted == nullptr) { return {}; + } auto nacp_file = extracted->GetFile("control.nacp"); - if (nacp_file == nullptr) + if (nacp_file == nullptr) { nacp_file = extracted->GetFile("Control.nacp"); + } auto nacp = nacp_file == nullptr ? nullptr : std::make_unique<NACP>(nacp_file); VirtualFile icon_file; for (const auto& language : FileSys::LANGUAGE_NAMES) { - icon_file = extracted->GetFile("icon_" + std::string(language) + ".dat"); - if (icon_file != nullptr) + icon_file = extracted->GetFile(std::string("icon_").append(language).append(".dat")); + if (icon_file != nullptr) { break; + } } return {std::move(nacp), icon_file}; diff --git a/src/core/file_sys/patch_manager.h b/src/core/file_sys/patch_manager.h index 532f4995f..1f28c6241 100644 --- a/src/core/file_sys/patch_manager.h +++ b/src/core/file_sys/patch_manager.h @@ -22,70 +22,62 @@ namespace FileSys { class NCA; class NACP; -enum class TitleVersionFormat : u8 { - ThreeElements, ///< vX.Y.Z - FourElements, ///< vX.Y.Z.W -}; - -std::string FormatTitleVersion(u32 version, - TitleVersionFormat format = TitleVersionFormat::ThreeElements); - -// Returns a directory with name matching name case-insensitive. Returns nullptr if directory -// doesn't have a directory with name. -VirtualDir FindSubdirectoryCaseless(VirtualDir dir, std::string_view name); - // A centralized class to manage patches to games. class PatchManager { public: + using BuildID = std::array<u8, 0x20>; + using Metadata = std::pair<std::unique_ptr<NACP>, VirtualFile>; + using PatchVersionNames = std::map<std::string, std::string, std::less<>>; + explicit PatchManager(u64 title_id); ~PatchManager(); - u64 GetTitleID() const; + [[nodiscard]] u64 GetTitleID() const; // Currently tracked ExeFS patches: // - Game Updates - VirtualDir PatchExeFS(VirtualDir exefs) const; + [[nodiscard]] VirtualDir PatchExeFS(VirtualDir exefs) const; // Currently tracked NSO patches: // - IPS // - IPSwitch - std::vector<u8> PatchNSO(const std::vector<u8>& nso, const std::string& name) const; + [[nodiscard]] std::vector<u8> PatchNSO(const std::vector<u8>& nso, + const std::string& name) const; // Checks to see if PatchNSO() will have any effect given the NSO's build ID. // Used to prevent expensive copies in NSO loader. - bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const; + [[nodiscard]] bool HasNSOPatch(const BuildID& build_id) const; // Creates a CheatList object with all - std::vector<Core::Memory::CheatEntry> CreateCheatList( - const Core::System& system, const std::array<u8, 0x20>& build_id) const; + [[nodiscard]] std::vector<Core::Memory::CheatEntry> CreateCheatList( + const Core::System& system, const BuildID& build_id) const; // Currently tracked RomFS patches: // - Game Updates // - LayeredFS - VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset, - ContentRecordType type = ContentRecordType::Program, - VirtualFile update_raw = nullptr) const; + [[nodiscard]] VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset, + ContentRecordType type = ContentRecordType::Program, + VirtualFile update_raw = nullptr) const; // Returns a vector of pairs between patch names and patch versions. // i.e. Update 3.2.2 will return {"Update", "3.2.2"} - std::map<std::string, std::string, std::less<>> GetPatchVersionNames( - VirtualFile update_raw = nullptr) const; + [[nodiscard]] PatchVersionNames GetPatchVersionNames(VirtualFile update_raw = nullptr) const; // If the game update exists, returns the u32 version field in its Meta-type NCA. If that fails, // it will fallback to the Meta-type NCA of the base game. If that fails, the result will be // std::nullopt - std::optional<u32> GetGameVersion() const; + [[nodiscard]] std::optional<u32> GetGameVersion() const; // Given title_id of the program, attempts to get the control data of the update and parse // it, falling back to the base control data. - std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const; + [[nodiscard]] Metadata GetControlMetadata() const; // Version of GetControlMetadata that takes an arbitrary NCA - std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const; + [[nodiscard]] Metadata ParseControlNCA(const NCA& nca) const; private: - std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs, - const std::string& build_id) const; + [[nodiscard]] std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs, + const std::string& build_id) const; u64 title_id; }; |