diff options
| -rw-r--r-- | src/core/file_sys/romfs.cpp | 44 | ||||
| -rw-r--r-- | src/core/file_sys/romfs.h | 9 | ||||
| -rw-r--r-- | src/core/hle/service/am/applets/applet_web_browser.cpp | 3 | ||||
| -rw-r--r-- | src/yuzu/main.cpp | 2 |
4 files changed, 18 insertions, 40 deletions
diff --git a/src/core/file_sys/romfs.cpp b/src/core/file_sys/romfs.cpp index 1c580de57..1eb1f439a 100644 --- a/src/core/file_sys/romfs.cpp +++ b/src/core/file_sys/romfs.cpp @@ -35,13 +35,14 @@ struct RomFSHeader { static_assert(sizeof(RomFSHeader) == 0x50, "RomFSHeader has incorrect size."); struct DirectoryEntry { + u32_le parent; u32_le sibling; u32_le child_dir; u32_le child_file; u32_le hash; u32_le name_length; }; -static_assert(sizeof(DirectoryEntry) == 0x14, "DirectoryEntry has incorrect size."); +static_assert(sizeof(DirectoryEntry) == 0x18, "DirectoryEntry has incorrect size."); struct FileEntry { u32_le parent; @@ -64,25 +65,22 @@ std::pair<Entry, std::string> GetEntry(const VirtualFile& file, std::size_t offs return {entry, string}; } -void ProcessFile(VirtualFile file, std::size_t file_offset, std::size_t data_offset, - u32 this_file_offset, std::shared_ptr<VectorVfsDirectory> parent) { - while (true) { +void ProcessFile(const VirtualFile& file, std::size_t file_offset, std::size_t data_offset, + u32 this_file_offset, std::shared_ptr<VectorVfsDirectory>& parent) { + while (this_file_offset != ROMFS_ENTRY_EMPTY) { auto entry = GetEntry<FileEntry>(file, file_offset + this_file_offset); parent->AddFile(std::make_shared<OffsetVfsFile>( file, entry.first.size, entry.first.offset + data_offset, entry.second)); - if (entry.first.sibling == ROMFS_ENTRY_EMPTY) - break; - this_file_offset = entry.first.sibling; } } -void ProcessDirectory(VirtualFile file, std::size_t dir_offset, std::size_t file_offset, +void ProcessDirectory(const VirtualFile& file, std::size_t dir_offset, std::size_t file_offset, std::size_t data_offset, u32 this_dir_offset, - std::shared_ptr<VectorVfsDirectory> parent) { - while (true) { + std::shared_ptr<VectorVfsDirectory>& parent) { + while (this_dir_offset != ROMFS_ENTRY_EMPTY) { auto entry = GetEntry<DirectoryEntry>(file, dir_offset + this_dir_offset); auto current = std::make_shared<VectorVfsDirectory>( std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, entry.second); @@ -97,14 +95,12 @@ void ProcessDirectory(VirtualFile file, std::size_t dir_offset, std::size_t file } parent->AddDirectory(current); - if (entry.first.sibling == ROMFS_ENTRY_EMPTY) - break; this_dir_offset = entry.first.sibling; } } } // Anonymous namespace -VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) { +VirtualDir ExtractRomFS(VirtualFile file) { RomFSHeader header{}; if (file->ReadObject(&header) != sizeof(RomFSHeader)) return nullptr; @@ -113,27 +109,17 @@ VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) { return nullptr; const u64 file_offset = header.file_meta.offset; - const u64 dir_offset = header.directory_meta.offset + 4; - - auto root = - std::make_shared<VectorVfsDirectory>(std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, - file->GetName(), file->GetContainingDirectory()); - - ProcessDirectory(file, dir_offset, file_offset, header.data_offset, 0, root); + const u64 dir_offset = header.directory_meta.offset; - VirtualDir out = std::move(root); + auto root_container = std::make_shared<VectorVfsDirectory>(); - if (type == RomFSExtractionType::SingleDiscard) - return out->GetSubdirectories().front(); + ProcessDirectory(file, dir_offset, file_offset, header.data_offset, 0, root_container); - while (out->GetSubdirectories().size() == 1 && out->GetFiles().empty()) { - if (Common::ToLower(out->GetSubdirectories().front()->GetName()) == "data" && - type == RomFSExtractionType::Truncated) - break; - out = out->GetSubdirectories().front(); + if (auto root = root_container->GetSubdirectory(""); root) { + return std::make_shared<CachedVfsDirectory>(std::move(root)); } - return std::make_shared<CachedVfsDirectory>(std::move(out)); + return nullptr; } VirtualFile CreateRomFS(VirtualDir dir, VirtualDir ext) { diff --git a/src/core/file_sys/romfs.h b/src/core/file_sys/romfs.h index 5d7f0c2a8..b75ff1aad 100644 --- a/src/core/file_sys/romfs.h +++ b/src/core/file_sys/romfs.h @@ -7,16 +7,9 @@ namespace FileSys { -enum class RomFSExtractionType { - Full, // Includes data directory - Truncated, // Traverses into data directory - SingleDiscard, // Traverses into the first subdirectory of root -}; - // Converts a RomFS binary blob to VFS Filesystem // Returns nullptr on failure -VirtualDir ExtractRomFS(VirtualFile file, - RomFSExtractionType type = RomFSExtractionType::Truncated); +VirtualDir ExtractRomFS(VirtualFile file); // Converts a VFS filesystem into a RomFS binary // Returns nullptr on failure diff --git a/src/core/hle/service/am/applets/applet_web_browser.cpp b/src/core/hle/service/am/applets/applet_web_browser.cpp index 1c9a1dc29..b0ea2b381 100644 --- a/src/core/hle/service/am/applets/applet_web_browser.cpp +++ b/src/core/hle/service/am/applets/applet_web_browser.cpp @@ -330,8 +330,7 @@ void WebBrowser::ExtractOfflineRomFS() { LOG_DEBUG(Service_AM, "Extracting RomFS to {}", Common::FS::PathToUTF8String(offline_cache_dir)); - const auto extracted_romfs_dir = - FileSys::ExtractRomFS(offline_romfs, FileSys::RomFSExtractionType::SingleDiscard); + const auto extracted_romfs_dir = FileSys::ExtractRomFS(offline_romfs); const auto temp_dir = system.GetFilesystem()->CreateDirectory( Common::FS::PathToUTF8String(offline_cache_dir), FileSys::Mode::ReadWrite); diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp index 0df163029..db9da6dc8 100644 --- a/src/yuzu/main.cpp +++ b/src/yuzu/main.cpp @@ -2737,7 +2737,7 @@ void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pa return; } - const auto extracted = FileSys::ExtractRomFS(romfs, FileSys::RomFSExtractionType::Full); + const auto extracted = FileSys::ExtractRomFS(romfs); if (extracted == nullptr) { failed(); return; |