Skip to content

[Experimental] VFS researchs #146

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
Segfaultd wants to merge 3 commits into
base: master
Choose a base branch
from
Draft

[Experimental] VFS researchs #146

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
2ec7b2c
Disabled VFS inheritance. Reversed methods
Segfaultd Mar 9, 2025
87261e6
Merge branch 'master' of github.com:MafiaHub/MafiaMP into experimenta…
Segfaultd Apr 7, 2025
d3f3733
Merge branch 'master' into experimental/vfs
Segfaultd Jun 14, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 22 additions & 1 deletion code/client/src/core/hooks/vfs.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,10 @@

#include <logging/logger.h>

#include "sdk/patterns.h"
#include "sdk/ue/sys/filesystem/c_virtual_file_system.h"
#include "sdk/ue/sys/filesystem/c_virtual_file_system_cache.h"

#include "vfs.h"

namespace MafiaMP::Core::Hooks {
Expand Down Expand Up @@ -34,7 +38,24 @@ namespace MafiaMP::Core::Hooks {
}
}

typedef __int64(__fastcall *C_VirtualFileSystemCache__AddDirectoryContentToCache_t)(SDK::ue::sys::filesystem::C_VirtualFileSystemCache *, const char *);
C_VirtualFileSystemCache__AddDirectoryContentToCache_t C_VirtualFileSystemCache__AddDirectoryContentToCache_original = nullptr;

__int64 __fastcall C_VirtualFileSystemCache__AddDirectoryContentToCache(SDK::ue::sys::filesystem::C_VirtualFileSystemCache *pThis, const char *path) {
// Framework::Logging::GetLogger("VFS")->trace("Adding directory content to cache: {}", path);
return C_VirtualFileSystemCache__AddDirectoryContentToCache_original(pThis, path);
}

typedef void *(__fastcall *C_VirtualFileSystem__Open_t)(SDK::ue::sys::filesystem::C_VirtualFileSystem *, char const *, unsigned int, char const *, unsigned char);
C_VirtualFileSystem__Open_t C_VirtualFileSystem__Open_original = nullptr;

void *__fastcall C_VirtualFileSystem__Open(SDK::ue::sys::filesystem::C_VirtualFileSystem *pThis, char const *path, unsigned int a2, char const *a3, unsigned char a4) {
//Framework::Logging::GetLogger("VFS")->trace("Opening file: {}", path);
return C_VirtualFileSystem__Open_original(pThis, path, a2, a3, a4);
}

static InitFunction init([]() {
// MafiaMP::Core::Hooks::MafiaMPVFS::Install();
MH_CreateHook((LPVOID)SDK::gPatterns.C_VirtualFileSystemCache__AddDirectoryContentToCache, (PBYTE)C_VirtualFileSystemCache__AddDirectoryContentToCache, reinterpret_cast<void **>(&C_VirtualFileSystemCache__AddDirectoryContentToCache_original));
MH_CreateHook((LPVOID)SDK::gPatterns.C_VirtualFileSystem__Open, (PBYTE)C_VirtualFileSystem__Open, reinterpret_cast<void **>(&C_VirtualFileSystem__Open_original));
},
"VFS");
7 changes: 7 additions & 0 deletions code/client/src/sdk/patterns.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -503,6 +503,13 @@ namespace SDK {
gPatterns.C_VehicleRealLightManager__SetReflectorLightsOn = reinterpret_cast<uint64_t>(hook::get_pattern("48 83 EC ? 4C 8B C9 84 D2 74 ? 45 84 C0"));
gPatterns.C_VehicleRealLightManager__SetVisible = reinterpret_cast<uint64_t>(hook::get_pattern("48 89 5C 24 ? 57 48 83 EC ? 8B 41 ? 0F B6 FA D1 E8"));

// C_VirtualFileSystem
gPatterns.C_VirtualFileSystem__Mount = reinterpret_cast<uint64_t>(hook::get_pattern("48 89 4C 24 ? 55 53 57 41 54 41 56 41 57 48 8D 6C 24 ? 48 81 EC ? ? ? ? 4D 8B F8"));
gPatterns.C_VirtualFileSystem__Open = reinterpret_cast<uint64_t>(hook::get_pattern("48 89 5C 24 ? 48 89 6C 24 ? 48 89 74 24 ? 48 89 7C 24 ? 41 56 48 83 EC ? 48 8B 41 ? 48 8B E9"));

// C_VirtualFileSystemCache
gPatterns.C_VirtualFileSystemCache__AddDirectoryContentToCache = reinterpret_cast<uint64_t>(hook::get_pattern("48 89 5C 24 ? 48 89 74 24 ? 57 48 83 EC ? 80 B9 ? ? ? ? ? 48 8B F2 48 8B F9 74"));

// C_WAnimPlaybackManager
gPatterns.C_WAnimPlaybackManager__PlayState = hook::get_opcode_address("E8 ? ? ? ? 4C 39 7F 50");

Expand Down
7 changes: 7 additions & 0 deletions code/client/src/sdk/patterns.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -472,6 +472,13 @@ namespace SDK {
uint64_t C_VehicleRealLightManager__SetReflectorLightsOn = 0x0;
uint64_t C_VehicleRealLightManager__SetVisible = 0x0;

// C_VirtualFileSystem
uint64_t C_VirtualFileSystem__Mount = 0x0;
uint64_t C_VirtualFileSystem__Open = 0x0;

// C_VirtualFileSystemCache
uint64_t C_VirtualFileSystemCache__AddDirectoryContentToCache = 0x0;

// C_WAnimPlaybackManager
uint64_t C_WAnimPlaybackManager__PlayState = 0x0;

Expand Down
2 changes: 1 addition & 1 deletion code/client/src/sdk/ue/sys/filesystem/c_virtual_file_system.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@ namespace SDK::ue::sys::filesystem {
//TODO: continue
};

class C_VirtualFileSystem : public I_VirtualFileSystem {
class C_VirtualFileSystem /*: public I_VirtualFileSystem */ {

};
}