diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/file_sys/patch_manager.cpp | 79 |
1 files changed, 65 insertions, 14 deletions
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp index 61706966e..e11217708 100644 --- a/src/core/file_sys/patch_manager.cpp +++ b/src/core/file_sys/patch_manager.cpp @@ -7,6 +7,7 @@ #include <cstddef> #include <cstring> +#include "common/file_util.h" #include "common/hex_util.h" #include "common/logging/log.h" #include "core/file_sys/content_archive.h" @@ -19,6 +20,7 @@ #include "core/file_sys/vfs_vector.h" #include "core/hle/service/filesystem/filesystem.h" #include "core/loader/loader.h" +#include "core/loader/nso.h" #include "core/settings.h" namespace FileSys { @@ -31,14 +33,6 @@ constexpr std::array<const char*, 14> EXEFS_FILE_NAMES{ "subsdk3", "subsdk4", "subsdk5", "subsdk6", "subsdk7", "subsdk8", "subsdk9", }; -struct NSOBuildHeader { - u32_le magic; - INSERT_PADDING_BYTES(0x3C); - std::array<u8, 0x20> build_id; - INSERT_PADDING_BYTES(0xA0); -}; -static_assert(sizeof(NSOBuildHeader) == 0x100, "NSOBuildHeader has incorrect size."); - std::string FormatTitleVersion(u32 version, TitleVersionFormat format) { std::array<u8, sizeof(u32)> bytes{}; bytes[0] = version % SINGLE_BYTE_MODULUS; @@ -162,14 +156,16 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD } std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const { - if (nso.size() < 0x100) + if (nso.size() < sizeof(Loader::NSOHeader)) { return nso; + } - NSOBuildHeader header; - std::memcpy(&header, nso.data(), sizeof(NSOBuildHeader)); + Loader::NSOHeader header; + std::memcpy(&header, nso.data(), sizeof(header)); - if (header.magic != Common::MakeMagic('N', 'S', 'O', '0')) + if (header.magic != Common::MakeMagic('N', 'S', 'O', '0')) { return nso; + } const auto build_id_raw = Common::HexArrayToString(header.build_id); const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1); @@ -212,9 +208,11 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const { } } - if (out.size() < 0x100) + if (out.size() < sizeof(Loader::NSOHeader)) { return nso; - std::memcpy(out.data(), &header, sizeof(NSOBuildHeader)); + } + + std::memcpy(out.data(), &header, sizeof(header)); return out; } @@ -232,6 +230,57 @@ bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const { return !CollectPatches(patch_dirs, build_id).empty(); } +static std::optional<CheatList> 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::HexArrayToString(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; + } + + TextCheatParser parser; + return parser.Parse(system, data); +} + +std::vector<CheatList> PatchManager::CreateCheatList(const Core::System& system, + const std::array<u8, 32>& build_id_) const { + const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id); + auto patch_dirs = load_dir->GetSubdirectories(); + std::sort(patch_dirs.begin(), patch_dirs.end(), + [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); }); + + std::vector<CheatList> out; + out.reserve(patch_dirs.size()); + for (const auto& subdir : patch_dirs) { + auto cheats_dir = subdir->GetSubdirectory("cheats"); + if (cheats_dir != nullptr) { + auto res = ReadCheatFileFromFolder(system, title_id, build_id_, cheats_dir, true); + if (res.has_value()) { + out.push_back(std::move(*res)); + continue; + } + + res = ReadCheatFileFromFolder(system, title_id, build_id_, cheats_dir, false); + if (res.has_value()) + out.push_back(std::move(*res)); + } + } + + return out; +} + static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type) { const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id); if ((type != ContentRecordType::Program && type != ContentRecordType::Data) || @@ -403,6 +452,8 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam } if (IsDirValidAndNonEmpty(mod->GetSubdirectory("romfs"))) AppendCommaIfNotEmpty(types, "LayeredFS"); + if (IsDirValidAndNonEmpty(mod->GetSubdirectory("cheats"))) + AppendCommaIfNotEmpty(types, "Cheats"); if (types.empty()) continue; |