r5sdk/r5dev/filesystem/basefilesystem.h
Kawe Mazidjatari abef34d3ef CPackedStore refactor
* Improve naming convention, and make it more consistent.
* Use engine types as much as possible.
* Reduced the amount of string copy constructions.
2023-05-29 21:41:17 +02:00

111 lines
7.8 KiB
C++

#pragma once
#include "public/ifilesystem.h"
class CBaseFileSystem : public IFileSystem
{
public:
//--------------------------------------------------------
// Purpose: Static methods used for hooking.
//--------------------------------------------------------
static void Warning(CBaseFileSystem* pFileSystem, FileWarningLevel_t level, const char* fmt, ...);
static bool VCheckDisk(const char* pszFilePath);
static FileHandle_t VReadFromVPK(CBaseFileSystem* pFileSystem, FileHandle_t pResults, char* pszFilePath);
static bool VReadFromCache(CBaseFileSystem* pFileSystem, char* pszFilePath, FileSystemCache* pCache);
static void VAddMapPackFile(CBaseFileSystem* pFileSystem, const char* pPath, const char* pPathID, SearchPathAdd_t addType);
static VPKData_t* VMountVPKFile(CBaseFileSystem* pFileSystem, const char* pszVpkPath);
static const char* VUnmountVPKFile(CBaseFileSystem* pFileSystem, const char* pszVpkPath);
CUtlString ReadString(FileHandle_t pFile);
protected:
//----------------------------------------------------------------------------
// Purpose: Functions implementing basic file system behavior.
//----------------------------------------------------------------------------
virtual FILE* FS_fopen(const char* filename, const char* options, unsigned flags, int64* size) = 0;
virtual void FS_setbufsize(FILE* fp, unsigned nBytes) = 0;
virtual void FS_fclose(FILE* fp) = 0;
virtual void FS_fseek(FILE* fp, int64 pos, int seekType) = 0;
virtual long FS_ftell(FILE* fp) = 0;
virtual int FS_feof(FILE* fp) = 0;
virtual size_t FS_fread(void* dest, size_t destSize, size_t size, FILE* fp) = 0;
virtual size_t FS_fwrite(const void* src, size_t size, FILE* fp) = 0;
virtual bool FS_setmode(FILE* fp, FileMode_t mode) = 0;
virtual size_t FS_vfprintf(FILE* fp, const char* fmt, va_list list) = 0;
virtual int FS_ferror(FILE* fp) = 0;
virtual int FS_fflush(FILE* fp) = 0;
virtual char* FS_fgets(char* dest, int destSize, FILE* fp) = 0;
virtual int FS_stat(const char* path, struct _stat* buf, bool* pbLoadedFromSteamCache = NULL) = 0;
virtual int FS_chmod(const char* path, int pmode) = 0;
virtual HANDLE FS_FindFirstFile(const char* findname, WIN32_FIND_DATA* dat) = 0;
virtual bool FS_FindNextFile(HANDLE handle, WIN32_FIND_DATA* dat) = 0;
virtual bool FS_FindClose(HANDLE handle) = 0;
virtual int FS_GetSectorSize(FILE*) = 0;
};
/* ==== CBASEFILESYSTEM ================================================================================================================================================= */
inline CMemory p_CBaseFileSystem_Warning;
inline auto v_CBaseFileSystem_Warning = p_CBaseFileSystem_Warning.RCast<void(*)(CBaseFileSystem* pFileSystem, FileWarningLevel_t level, const char* fmt, ...)>();
inline CMemory p_CBaseFileSystem_LoadFromVPK;
inline auto v_CBaseFileSystem_LoadFromVPK = p_CBaseFileSystem_LoadFromVPK.RCast<FileHandle_t(*)(CBaseFileSystem* pFileSystem, FileHandle_t pResults, const char* pszAssetName)>();
inline CMemory p_CBaseFileSystem_LoadFromCache;
inline auto v_CBaseFileSystem_LoadFromCache = p_CBaseFileSystem_LoadFromCache.RCast<bool(*)(CBaseFileSystem* pFileSystem, const char* pszAssetName, FileSystemCache* pCache)>();
inline CMemory p_CBaseFileSystem_AddMapPackFile;
inline auto v_CBaseFileSystem_AddMapPackFile = p_CBaseFileSystem_AddMapPackFile.RCast<void (*)(CBaseFileSystem* pFileSystem, const char* pPath, const char* pPathID, SearchPathAdd_t addType)>();
inline CMemory p_CBaseFileSystem_MountVPKFile;
inline auto v_CBaseFileSystem_MountVPKFile = p_CBaseFileSystem_MountVPKFile.RCast<VPKData_t* (*)(CBaseFileSystem* pFileSystem, const char* pszVpkPath)>();
inline CMemory p_CBaseFileSystem_UnmountVPKFile;
inline auto v_CBaseFileSystem_UnmountVPKFile = p_CBaseFileSystem_UnmountVPKFile.RCast<const char* (*)(CBaseFileSystem* pFileSystem, const char* pszVpkPath)>();
inline CMemory p_CBaseFileSystem_GetMountedVPKHandle;
inline auto v_CBaseFileSystem_GetMountedVPKHandle = p_CBaseFileSystem_GetMountedVPKHandle.RCast<int (*)(CBaseFileSystem* pFileSystem, const char* pszVpkPath)>();
extern CBaseFileSystem* g_pFileSystem;
///////////////////////////////////////////////////////////////////////////////
class VBaseFileSystem : public IDetour
{
virtual void GetAdr(void) const
{
LogFunAdr("CBaseFileSystem::Warning", p_CBaseFileSystem_Warning.GetPtr());
LogFunAdr("CBaseFileSystem::LoadFromVPK", p_CBaseFileSystem_LoadFromVPK.GetPtr());
LogFunAdr("CBaseFileSystem::LoadFromCache", p_CBaseFileSystem_LoadFromCache.GetPtr());
LogFunAdr("CBaseFileSystem::AddMapPackFile", p_CBaseFileSystem_AddMapPackFile.GetPtr());
LogFunAdr("CBaseFileSystem::MountVPKFile", p_CBaseFileSystem_MountVPKFile.GetPtr());
LogFunAdr("CBaseFileSystem::UnmountVPKFile", p_CBaseFileSystem_UnmountVPKFile.GetPtr());
LogFunAdr("CBaseFileSystem::GetMountedVPKHandle", p_CBaseFileSystem_GetMountedVPKHandle.GetPtr());
LogVarAdr("g_pFileSystem", reinterpret_cast<uintptr_t>(g_pFileSystem));
}
virtual void GetFun(void) const
{
p_CBaseFileSystem_Warning = g_GameDll.FindPatternSIMD("4C 89 4C 24 20 C3 CC CC CC CC CC CC CC CC CC CC 48");
p_CBaseFileSystem_LoadFromVPK = g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 57 48 81 EC ?? ?? ?? ?? 49 8B C0 4C 8D 8C 24 ?? ?? ?? ??");
p_CBaseFileSystem_LoadFromCache = g_GameDll.FindPatternSIMD("40 53 48 81 EC ?? ?? ?? ?? 80 3D ?? ?? ?? ?? ?? 49 8B D8");
p_CBaseFileSystem_AddMapPackFile = g_GameDll.FindPatternSIMD("4C 89 44 24 ?? 48 89 54 24 ?? 55 ?? 41 54 41 55 48 8D AC 24 ?? ?? ?? ??");
p_CBaseFileSystem_MountVPKFile = g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 48 89 6C 24 ?? 57 48 81 EC ?? ?? ?? ?? 48 8B F9 4C 8D 05 ?? ?? ?? ??");
p_CBaseFileSystem_UnmountVPKFile = g_GameDll.FindPatternSIMD("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");
p_CBaseFileSystem_GetMountedVPKHandle = g_GameDll.FindPatternSIMD("48 89 74 24 ?? 57 48 81 EC ?? ?? ?? ?? 48 8B F9 4C 8D 05 ?? ?? ?? ??");
v_CBaseFileSystem_Warning = p_CBaseFileSystem_Warning.RCast<void(*)(CBaseFileSystem*, FileWarningLevel_t, const char*, ...)>(); /*4C 89 4C 24 20 C3 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 48*/
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 ?? ?? ?? ??*/
v_CBaseFileSystem_LoadFromCache = p_CBaseFileSystem_LoadFromCache.RCast<bool(*)(CBaseFileSystem*, const char*, FileSystemCache*)>(); /*40 53 48 81 EC ?? ?? ?? ?? 80 3D ?? ?? ?? ?? ?? 49 8B D8*/
v_CBaseFileSystem_AddMapPackFile = p_CBaseFileSystem_AddMapPackFile.RCast<void (*)(CBaseFileSystem*, const char*, const char*, SearchPathAdd_t)>();
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 ?? ?? ?? ??*/
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*/
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 ?? ?? ?? ??*/
}
virtual void GetVar(void) const
{
g_pFileSystem = g_GameDll.FindPatternSIMD("48 8D 05 ?? ?? ?? ?? 48 89 05 ?? ?? ?? ?? 48 8D 0D ?? ?? ?? ?? 48 8D 05 ?? ?? ?? ?? 48 89 05 ?? ?? ?? ?? E9 ?? ?? ?? ??")
.FindPattern("48 89", CMemory::Direction::DOWN, 512, 2).ResolveRelativeAddressSelf(0x3, 0x7).RCast<CBaseFileSystem*>();
}
virtual void GetCon(void) const { }
virtual void Attach(void) const;
virtual void Detach(void) const;
};
///////////////////////////////////////////////////////////////////////////////