diff options
Diffstat (limited to 'NorthstarDedicatedTest/filesystem.cpp')
-rw-r--r-- | NorthstarDedicatedTest/filesystem.cpp | 186 |
1 files changed, 91 insertions, 95 deletions
diff --git a/NorthstarDedicatedTest/filesystem.cpp b/NorthstarDedicatedTest/filesystem.cpp index 3410bdd4..72d7d4fc 100644 --- a/NorthstarDedicatedTest/filesystem.cpp +++ b/NorthstarDedicatedTest/filesystem.cpp @@ -8,72 +8,58 @@ #include <iostream> #include <sstream> -// hook forward declares -typedef FileHandle_t (*ReadFileFromVPKType)(VPKData* vpkInfo, __int64* b, char* filename); -ReadFileFromVPKType readFileFromVPK; -FileHandle_t ReadFileFromVPKHook(VPKData* vpkInfo, __int64* b, char* filename); - -typedef bool (*ReadFromCacheType)(IFileSystem* filesystem, char* path, void* result); -ReadFromCacheType readFromCache; -bool ReadFromCacheHook(IFileSystem* filesystem, char* path, void* result); +using namespace R2FS; -typedef void (*AddSearchPathType)(IFileSystem* fileSystem, const char* pPath, const char* pathID, SearchPathAdd_t addType); -AddSearchPathType addSearchPathOriginal; -void AddSearchPathHook(IFileSystem* fileSystem, const char* pPath, const char* pathID, SearchPathAdd_t addType); - -typedef FileHandle_t (*ReadFileFromFilesystemType)( - IFileSystem* filesystem, const char* pPath, const char* pOptions, int64_t a4, uint32_t a5); -ReadFileFromFilesystemType readFileFromFilesystem; -FileHandle_t ReadFileFromFilesystemHook(IFileSystem* filesystem, const char* pPath, const char* pOptions, int64_t a4, uint32_t a5); - -typedef VPKData* (*MountVPKType)(IFileSystem* fileSystem, const char* vpkPath); -MountVPKType mountVPK; -VPKData* MountVPKHook(IFileSystem* fileSystem, const char* vpkPath); +bool bReadingOriginalFile = false; +std::string sCurrentModPath; -bool readingOriginalFile; -std::string currentModPath; -SourceInterface<IFileSystem>* g_Filesystem; +ConVar* Cvar_ns_fs_log_reads; -ON_DLL_LOAD("filesystem_stdio.dll", Filesystem, [](HMODULE baseAddress) +namespace R2FS { - g_Filesystem = new SourceInterface<IFileSystem>("filesystem_stdio.dll", "VFileSystem017"); + std::string ReadVPKFile(const char* path) + { + // read scripts.rson file, todo: check if this can be overwritten + FileHandle_t fileHandle = (*g_pFilesystem)->m_vtable2->Open(&(*g_pFilesystem)->m_vtable2, path, "rb", "GAME", 0); - // create hooks - HookEnabler hook; - ENABLER_CREATEHOOK(hook, (char*)baseAddress + 0x5CBA0, &ReadFileFromVPKHook, reinterpret_cast<LPVOID*>(&readFileFromVPK)); - ENABLER_CREATEHOOK(hook, (*g_Filesystem)->m_vtable->ReadFromCache, &ReadFromCacheHook, reinterpret_cast<LPVOID*>(&readFromCache)); - ENABLER_CREATEHOOK( - hook, (*g_Filesystem)->m_vtable->AddSearchPath, &AddSearchPathHook, reinterpret_cast<LPVOID*>(&addSearchPathOriginal)); - ENABLER_CREATEHOOK(hook, (char*)baseAddress + 0x15F20, &ReadFileFromFilesystemHook, reinterpret_cast<LPVOID*>(&readFileFromFilesystem)); - ENABLER_CREATEHOOK(hook, (*g_Filesystem)->m_vtable->MountVPK, &MountVPKHook, reinterpret_cast<LPVOID*>(&mountVPK)); -}) + std::stringstream fileStream; + int bytesRead = 0; + char data[4096]; + do + { + bytesRead = (*g_pFilesystem)->m_vtable2->Read(&(*g_pFilesystem)->m_vtable2, data, (int)std::size(data), fileHandle); + fileStream.write(data, bytesRead); + } while (bytesRead == std::size(data)); -std::string ReadVPKFile(const char* path) -{ - // read scripts.rson file, todo: check if this can be overwritten - FileHandle_t fileHandle = (*g_Filesystem)->m_vtable2->Open(&(*g_Filesystem)->m_vtable2, path, "rb", "GAME", 0); + (*g_pFilesystem)->m_vtable2->Close(*g_pFilesystem, fileHandle); - std::stringstream fileStream; - int bytesRead = 0; - char data[4096]; - do + return fileStream.str(); + } + + std::string ReadVPKOriginalFile(const char* path) { - bytesRead = (*g_Filesystem)->m_vtable2->Read(&(*g_Filesystem)->m_vtable2, data, (int)std::size(data), fileHandle); - fileStream.write(data, bytesRead); - } while (bytesRead == std::size(data)); + bReadingOriginalFile = true; + std::string ret = ReadVPKFile(path); + bReadingOriginalFile = false; - (*g_Filesystem)->m_vtable2->Close(*g_Filesystem, fileHandle); + return ret; + } - return fileStream.str(); + SourceInterface<IFileSystem>* g_pFilesystem; } -std::string ReadVPKOriginalFile(const char* path) +typedef void (*AddSearchPathType)(IFileSystem* fileSystem, const char* pPath, const char* pathID, SearchPathAdd_t addType); +AddSearchPathType AddSearchPath; +void AddSearchPathHook(IFileSystem* fileSystem, const char* pPath, const char* pathID, SearchPathAdd_t addType) { - readingOriginalFile = true; - std::string ret = ReadVPKFile(path); - readingOriginalFile = false; + AddSearchPath(fileSystem, pPath, pathID, addType); - return ret; + // make sure current mod paths are at head + if (!strcmp(pathID, "GAME") && sCurrentModPath.compare(pPath) && addType == PATH_ADD_TO_HEAD) + { + AddSearchPath(fileSystem, sCurrentModPath.c_str(), "GAME", PATH_ADD_TO_HEAD); + AddSearchPath(fileSystem, GetCompiledAssetsPath().string().c_str(), "GAME", PATH_ADD_TO_HEAD); + } } void SetNewModSearchPaths(Mod* mod) @@ -82,30 +68,30 @@ void SetNewModSearchPaths(Mod* mod) // in the future we could also determine whether the file we're setting paths for needs a mod dir, or compiled assets if (mod != nullptr) { - if ((fs::absolute(mod->ModDirectory) / MOD_OVERRIDE_DIR).string().compare(currentModPath)) + if ((fs::absolute(mod->ModDirectory) / MOD_OVERRIDE_DIR).string().compare(sCurrentModPath)) { - spdlog::info("changing mod search path from {} to {}", currentModPath, mod->ModDirectory.string()); + spdlog::info("changing mod search path from {} to {}", sCurrentModPath, mod->ModDirectory.string()); - addSearchPathOriginal( - &*(*g_Filesystem), (fs::absolute(mod->ModDirectory) / MOD_OVERRIDE_DIR).string().c_str(), "GAME", PATH_ADD_TO_HEAD); - currentModPath = (fs::absolute(mod->ModDirectory) / MOD_OVERRIDE_DIR).string(); + AddSearchPath( + &*(*g_pFilesystem), (fs::absolute(mod->ModDirectory) / MOD_OVERRIDE_DIR).string().c_str(), "GAME", PATH_ADD_TO_HEAD); + sCurrentModPath = (fs::absolute(mod->ModDirectory) / MOD_OVERRIDE_DIR).string(); } } else // push compiled to head - addSearchPathOriginal(&*(*g_Filesystem), fs::absolute(GetCompiledAssetsPath()).string().c_str(), "GAME", PATH_ADD_TO_HEAD); + AddSearchPath(&*(*g_pFilesystem), fs::absolute(GetCompiledAssetsPath()).string().c_str(), "GAME", PATH_ADD_TO_HEAD); } -bool TryReplaceFile(char* path, bool shouldCompile) +bool TryReplaceFile(const char* pPath, bool shouldCompile) { - if (readingOriginalFile) + if (bReadingOriginalFile) return false; if (shouldCompile) - (*g_ModManager).CompileAssetsForFile(path); + g_ModManager->CompileAssetsForFile(pPath); // idk how efficient the lexically normal check is // can't just set all /s in path to \, since some paths aren't in writeable memory - auto file = g_ModManager->m_modFiles.find(fs::path(path).lexically_normal().string()); + auto file = g_ModManager->m_modFiles.find(g_ModManager->NormaliseModFilePath(fs::path(pPath))); if (file != g_ModManager->m_modFiles.end()) { SetNewModSearchPaths(file->second.owningMod); @@ -115,10 +101,22 @@ bool TryReplaceFile(char* path, bool shouldCompile) return false; } +typedef bool (*ReadFromCacheType)(IFileSystem* filesystem, char* path, void* result); +ReadFromCacheType ReadFromCache; +bool ReadFromCacheHook(IFileSystem* filesystem, char* pPath, void* result) +{ + if (TryReplaceFile(pPath, false)) + return false; + + return ReadFromCache(filesystem, pPath, result); +} + +typedef FileHandle_t (*ReadFileFromVPKType)(VPKData* vpkInfo, __int64* b, char* filename); +ReadFileFromVPKType ReadFileFromVPK; FileHandle_t ReadFileFromVPKHook(VPKData* vpkInfo, __int64* b, char* filename) { // move this to a convar at some point when we can read them in native - // spdlog::info("ReadFileFromVPKHook {} {}", filename, vpkInfo->path); + //spdlog::info("ReadFileFromVPKHook {} {}", filename, vpkInfo->path); // there is literally never any reason to compile here, since we'll always compile in ReadFileFromFilesystemHook in the same codepath // this is called @@ -128,46 +126,30 @@ FileHandle_t ReadFileFromVPKHook(VPKData* vpkInfo, __int64* b, char* filename) return b; } - return readFileFromVPK(vpkInfo, b, filename); -} - -bool ReadFromCacheHook(IFileSystem* filesystem, char* path, void* result) -{ - // move this to a convar at some point when we can read them in native - // spdlog::info("ReadFromCacheHook {}", path); - - if (TryReplaceFile(path, true)) - return false; - - return readFromCache(filesystem, path, result); -} + return ReadFileFromVPK(vpkInfo, b, filename); +} -void AddSearchPathHook(IFileSystem* fileSystem, const char* pPath, const char* pathID, SearchPathAdd_t addType) -{ - addSearchPathOriginal(fileSystem, pPath, pathID, addType); - - // make sure current mod paths are at head - if (!strcmp(pathID, "GAME") && currentModPath.compare(pPath) && addType == PATH_ADD_TO_HEAD) - { - addSearchPathOriginal(fileSystem, currentModPath.c_str(), "GAME", PATH_ADD_TO_HEAD); - addSearchPathOriginal(fileSystem, GetCompiledAssetsPath().string().c_str(), "GAME", PATH_ADD_TO_HEAD); - } -} - -FileHandle_t ReadFileFromFilesystemHook(IFileSystem* filesystem, const char* pPath, const char* pOptions, int64_t a4, uint32_t a5) +typedef FileHandle_t (*CBaseFileSystem__OpenExType)( + IFileSystem* filesystem, const char* pPath, const char* pOptions, uint32_t flags, const char* pPathID, char** ppszResolvedFilename); +CBaseFileSystem__OpenExType CBaseFileSystem__OpenEx; +FileHandle_t CBaseFileSystem__OpenExHook(IFileSystem* filesystem, const char* pPath, const char* pOptions, uint32_t flags, const char* pPathID, char **ppszResolvedFilename) { + //if (Cvar_ns_fs_log_reads->GetBool()) + // this isn't super efficient, but it's necessary, since calling addsearchpath in readfilefromvpk doesn't work, possibly refactor later // it also might be possible to hook functions that are called later, idk look into callstack for ReadFileFromVPK - if (!readingOriginalFile) - TryReplaceFile((char*)pPath, true); + if (!bReadingOriginalFile) + TryReplaceFile(pPath, true); - return readFileFromFilesystem(filesystem, pPath, pOptions, a4, a5); + return CBaseFileSystem__OpenEx(filesystem, pPath, pOptions, flags, pPathID, ppszResolvedFilename); } +typedef VPKData* (*MountVPKType)(IFileSystem* fileSystem, const char* vpkPath); +MountVPKType MountVPK; VPKData* MountVPKHook(IFileSystem* fileSystem, const char* vpkPath) { spdlog::info("MountVPK {}", vpkPath); - VPKData* ret = mountVPK(fileSystem, vpkPath); + VPKData* ret = MountVPK(fileSystem, vpkPath); for (Mod mod : g_ModManager->m_loadedMods) { @@ -187,11 +169,25 @@ VPKData* MountVPKHook(IFileSystem* fileSystem, const char* vpkPath) continue; } - VPKData* loaded = mountVPK(fileSystem, vpkEntry.m_sVpkPath.c_str()); + VPKData* loaded = MountVPK(fileSystem, vpkEntry.m_sVpkPath.c_str()); if (!ret) // this is primarily for map vpks and stuff, so the map's vpk is what gets returned from here ret = loaded; } } return ret; -}
\ No newline at end of file +} + +ON_DLL_LOAD("filesystem_stdio.dll", Filesystem, [](HMODULE baseAddress) +{ + R2FS::g_pFilesystem = new SourceInterface<IFileSystem>("filesystem_stdio.dll", "VFileSystem017"); + + // create hooks + HookEnabler hook; + ENABLER_CREATEHOOK(hook, (*g_pFilesystem)->m_vtable->ReadFromCache, &ReadFromCacheHook, reinterpret_cast<LPVOID*>(&ReadFromCache)); + ENABLER_CREATEHOOK(hook, (char*)baseAddress + 0x5CBA0, &ReadFileFromVPKHook, reinterpret_cast<LPVOID*>(&ReadFileFromVPK)); + ENABLER_CREATEHOOK( + hook, (char*)baseAddress + 0x15F50, &CBaseFileSystem__OpenExHook, reinterpret_cast<LPVOID*>(&CBaseFileSystem__OpenEx)); + ENABLER_CREATEHOOK(hook, (*g_pFilesystem)->m_vtable->AddSearchPath, &AddSearchPathHook, reinterpret_cast<LPVOID*>(&AddSearchPath)); + ENABLER_CREATEHOOK(hook, (*g_pFilesystem)->m_vtable->MountVPK, &MountVPKHook, reinterpret_cast<LPVOID*>(&MountVPK)); +})
\ No newline at end of file |