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dcb909cab9
Only load from disk if mode is 0. Mode can be set to 0 using the '-novpk' launch parameter.
109 lines
8.1 KiB
C++
109 lines
8.1 KiB
C++
#pragma once
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#include "public/ifilesystem.h"
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class CBaseFileSystem : public IFileSystem
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{
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public:
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//--------------------------------------------------------
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// Purpose: Static methods used for hooking.
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//--------------------------------------------------------
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static void Warning(CBaseFileSystem* pFileSystem, FileWarningLevel_t level, const char* fmt, ...);
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static bool VCheckDisk(const char* pszFilePath);
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static FileHandle_t VReadFromVPK(CBaseFileSystem* pFileSystem, FileHandle_t pResults, char* pszFilePath);
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static bool VReadFromCache(CBaseFileSystem* pFileSystem, char* pszFilePath, void* pResults);
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static VPKData_t* VMountVPKFile(CBaseFileSystem* pFileSystem, const char* pszVpkPath);
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static const char* VUnmountVPKFile(CBaseFileSystem* pFileSystem, const char* pszVpkPath);
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protected:
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//----------------------------------------------------------------------------
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// Purpose: Functions implementing basic file system behavior.
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//----------------------------------------------------------------------------
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virtual FILE* FS_fopen(const char* filename, const char* options, unsigned flags, int64* size) = 0;
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virtual void FS_setbufsize(FILE* fp, unsigned nBytes) = 0;
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virtual void FS_fclose(FILE* fp) = 0;
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virtual void FS_fseek(FILE* fp, int64 pos, int seekType) = 0;
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virtual long FS_ftell(FILE* fp) = 0;
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virtual int FS_feof(FILE* fp) = 0;
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virtual size_t FS_fread(void* dest, size_t destSize, size_t size, FILE* fp) = 0;
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virtual size_t FS_fwrite(const void* src, size_t size, FILE* fp) = 0;
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virtual bool FS_setmode(FILE* fp, FileMode_t mode) = 0;
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virtual size_t FS_vfprintf(FILE* fp, const char* fmt, va_list list) = 0;
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virtual int FS_ferror(FILE* fp) = 0;
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virtual int FS_fflush(FILE* fp) = 0;
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virtual char* FS_fgets(char* dest, int destSize, FILE* fp) = 0;
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virtual int FS_stat(const char* path, struct _stat* buf, bool* pbLoadedFromSteamCache = NULL) = 0;
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virtual int FS_chmod(const char* path, int pmode) = 0;
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virtual HANDLE FS_FindFirstFile(const char* findname, WIN32_FIND_DATA* dat) = 0;
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virtual bool FS_FindNextFile(HANDLE handle, WIN32_FIND_DATA* dat) = 0;
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virtual bool FS_FindClose(HANDLE handle) = 0;
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virtual int FS_GetSectorSize(FILE*) = 0;
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};
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/* ==== CBASEFILESYSTEM ================================================================================================================================================= */
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inline CMemory p_CBaseFileSystem_Warning;
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inline auto v_CBaseFileSystem_Warning = p_CBaseFileSystem_Warning.RCast<void(*)(CBaseFileSystem* pFileSystem, FileWarningLevel_t level, const char* fmt, ...)>();
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inline CMemory p_CBaseFileSystem_LoadFromVPK;
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inline auto v_CBaseFileSystem_LoadFromVPK = p_CBaseFileSystem_LoadFromVPK.RCast<FileHandle_t(*)(CBaseFileSystem* pFileSystem, FileHandle_t pResults, const char* pszAssetName)>();
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inline CMemory p_CBaseFileSystem_LoadFromCache;
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inline auto v_CBaseFileSystem_LoadFromCache = p_CBaseFileSystem_LoadFromCache.RCast<bool(*)(CBaseFileSystem* pFileSystem, const char* pszAssetName, void* pResults)>();
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inline CMemory p_CBaseFileSystem_MountVPKFile;
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inline auto v_CBaseFileSystem_MountVPKFile = p_CBaseFileSystem_MountVPKFile.RCast<VPKData_t* (*)(CBaseFileSystem* pFileSystem, const char* pszVpkPath)>();
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inline CMemory p_CBaseFileSystem_UnmountVPKFile;
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inline auto v_CBaseFileSystem_UnmountVPKFile = p_CBaseFileSystem_UnmountVPKFile.RCast<const char* (*)(CBaseFileSystem* pFileSystem, const char* pszVpkPath)>();
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inline CMemory p_CBaseFileSystem_GetMountedVPKHandle;
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inline auto v_CBaseFileSystem_GetMountedVPKHandle = p_CBaseFileSystem_GetMountedVPKHandle.RCast<int (*)(CBaseFileSystem* pFileSystem, const char* pszVpkPath)>();
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extern CBaseFileSystem* g_pFileSystem;
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///////////////////////////////////////////////////////////////////////////////
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void CBaseFileSystem_Attach();
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void CBaseFileSystem_Detach();
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///////////////////////////////////////////////////////////////////////////////
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class VBaseFileSystem : public IDetour
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{
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virtual void GetAdr(void) const
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{
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spdlog::debug("| FUN: CBaseFileSystem::Warning : {:#18x} |\n", p_CBaseFileSystem_Warning.GetPtr());
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spdlog::debug("| FUN: CBaseFileSystem::LoadFromVPK : {:#18x} |\n", p_CBaseFileSystem_LoadFromVPK.GetPtr());
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spdlog::debug("| FUN: CBaseFileSystem::LoadFromCache : {:#18x} |\n", p_CBaseFileSystem_LoadFromCache.GetPtr());
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spdlog::debug("| FUN: CBaseFileSystem::MountVPKFile : {:#18x} |\n", p_CBaseFileSystem_MountVPKFile.GetPtr());
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spdlog::debug("| FUN: CBaseFileSystem::UnmountVPKFile : {:#18x} |\n", p_CBaseFileSystem_UnmountVPKFile.GetPtr());
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spdlog::debug("| FUN: CBaseFileSystem::GetMountedVPKHandle : {:#18x} |\n", p_CBaseFileSystem_GetMountedVPKHandle.GetPtr());
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spdlog::debug("| VAR: g_pFileSystem : {:#18x} |\n", reinterpret_cast<uintptr_t>(g_pFileSystem));
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spdlog::debug("+----------------------------------------------------------------+\n");
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}
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virtual void GetFun(void) const
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{
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p_CBaseFileSystem_Warning = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x4C\x89\x4C\x24\x20\xC3\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC\x48"), "xxxxxx??????????x");
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p_CBaseFileSystem_LoadFromVPK = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x00\x57\x48\x81\xEC\x00\x00\x00\x00\x49\x8B\xC0\x4C\x8D\x8C\x24\x00\x00\x00\x00"), "xxxx?xxxx????xxxxxxx????");
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p_CBaseFileSystem_LoadFromCache = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x40\x53\x48\x81\xEC\x00\x00\x00\x00\x80\x3D\x00\x00\x00\x00\x00\x49\x8B\xD8"), "xxxxx????xx?????xxx");
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p_CBaseFileSystem_MountVPKFile = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x00\x48\x89\x6C\x24\x00\x57\x48\x81\xEC\x00\x00\x00\x00\x48\x8B\xF9\x4C\x8D\x05\x00\x00\x00\x00"), "xxxx?xxxx?xxxx????xxxxxx????");
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p_CBaseFileSystem_UnmountVPKFile = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x00\x57\x48\x83\xEC\x20\x48\x8B\xDA\x48\x8B\xF9\x48\x8B\xCB\x48\x8D\x15\x00\x00\x00\x00\xE8\x00\x00\x00\x00\x48\x85\xC0"), "xxxx?xxxxxxxxxxxxxxxxx????x????xxx");
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p_CBaseFileSystem_GetMountedVPKHandle = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x74\x24\x00\x57\x48\x81\xEC\x00\x00\x00\x00\x48\x8B\xF9\x4C\x8D\x05\x00\x00\x00\x00"), "xxxx?xxxx????xxxxxx????");
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v_CBaseFileSystem_Warning = p_CBaseFileSystem_Warning.RCast<void(*)(CBaseFileSystem*, FileWarningLevel_t, const char*, ...)>(); /*4C 89 4C 24 20 C3 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 48*/
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v_CBaseFileSystem_LoadFromVPK = p_CBaseFileSystem_LoadFromVPK.RCast<FileHandle_t(*)(CBaseFileSystem*, FileHandle_t, const char*)>(); /*48 89 5C 24 ?? 57 48 81 EC ?? ?? ?? ?? 49 8B C0 4C 8D 8C 24 ?? ?? ?? ??*/
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v_CBaseFileSystem_LoadFromCache = p_CBaseFileSystem_LoadFromCache.RCast<bool(*)(CBaseFileSystem*, const char*, void*)>(); /*40 53 48 81 EC ?? ?? ?? ?? 80 3D ?? ?? ?? ?? ?? 49 8B D8*/
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v_CBaseFileSystem_MountVPKFile = p_CBaseFileSystem_MountVPKFile.RCast<VPKData_t*(*)(CBaseFileSystem*, const char*)>(); /*48 89 5C 24 ?? 48 89 6C 24 ?? 57 48 81 EC ?? ?? ?? ?? 48 8B F9 4C 8D 05 ?? ?? ?? ??*/
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v_CBaseFileSystem_UnmountVPKFile = p_CBaseFileSystem_UnmountVPKFile.RCast<const char*(*)(CBaseFileSystem*, const char*)>(); /*48 89 5C 24 ?? 57 48 83 EC 20 48 8B DA 48 8B F9 48 8B CB 48 8D 15 ?? ?? ?? ?? E8 ?? ?? ?? ?? 48 85 C0*/
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v_CBaseFileSystem_GetMountedVPKHandle = p_CBaseFileSystem_GetMountedVPKHandle.RCast<int (*)(CBaseFileSystem*, const char*)>(); /*48 89 74 24 ?? 57 48 81 EC ?? ?? ?? ?? 48 8B F9 4C 8D 05 ?? ?? ?? ??*/
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}
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virtual void GetVar(void) const
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{
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g_pFileSystem = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x8D\x05\x00\x00\x00\x00\x48\x89\x05\x00\x00\x00\x00\x48\x8D\x0D\x00\x00\x00\x00\x48\x8D\x05\x00\x00\x00\x00\x48\x89\x05\x00\x00\x00\x00\xE9\x00\x00\x00\x00"),
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"xxx????xxx????xxx????xxx????xxx????x????").FindPattern("48 89", CMemory::Direction::DOWN, 512, 2).ResolveRelativeAddressSelf(0x3, 0x7).RCast<CBaseFileSystem*>();
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}
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virtual void GetCon(void) const { }
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virtual void Attach(void) const { }
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virtual void Detach(void) const { }
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};
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///////////////////////////////////////////////////////////////////////////////
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REGISTER(VBaseFileSystem);
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