#include #include "CommonHeaders.h" #include "CommonUEHeaders.h" using namespace SDK; // Constants const std::string PLUGIN_NAME = "Samson"; const std::string PLUGIN_LOG = PLUGIN_NAME + ".log"; constexpr ULONGLONG DEFAULT_DELAY_BETWEEN_TICK = 100; // Used ProcessEvent constexpr ULONGLONG DEFAULT_DELAY_BETWEEN_WTD_TICK = 100; // Used for World time dilation // Logger std::shared_ptr logger; // Screen informations static int screenWidth = GetSystemMetrics(SM_CXSCREEN); static int screenHeight = GetSystemMetrics(SM_CYSCREEN); float g_AspectRatio = (float)screenWidth / screenHeight; // Plugin states static bool AOBScanDone = false; static std::atomic g_fix_enabled = false; static std::atomic g_fov_fix_enabled = false; static std::atomic g_HUD_fix_enabled = false; static std::atomic g_Camera_fix_enabled = false; static std::atomic g_Letterboxing_fix_enabled = false; static std::atomic g_CA_fix_enabled = false; static std::atomic g_Vignetting_fix_enabled = false; static std::atomic g_Fog_fix_enabled = false; static std::atomic g_TimeDilation_fix_enabled = false; static std::atomic g_GodMode_fix_enabled = false; static std::atomic g_Stealth_fix_enabled = false; static int g_AdditionalFOVValue = 0; static float g_CameraMultiplier = 1.f; static float g_WorldTimeDilationValue = 1.f; static float g_AITimeDilationValue = 1.f; static int g_HUDOffsets = 0; static int g_UIOffsets = 0; static float g_PlayerHealth = 0.f; // Shared values static float g_FOV_In = 75.f; static float g_FOV_Out = 75.f; static float g_CameraIn = 189.26f; static float g_CameraOut = 189.26f; // AOB Scan pointers static uint8_t* CameraComponentaddress = nullptr; static uint8_t* Cameraaddress = nullptr; static uint8_t* WorldTimedilationaddress = nullptr; static uint8_t* Timedilationaddress = nullptr; // Hooking static SafetyHookMid FOVHook{}; static SafetyHookMid CameraHook{}; static SafetyHookMid PEHook{}; static SafetyHookMid WorldTimeDilationHook{}; static SafetyHookMid TimeDilationHook{}; // Prototypes static void FOVFixEnabled(); static void CameraFixEnabled(); static void HUDUpdate(bool writeLog); static void EnableConsole(); static void EnableCheats(Cheat cheat); static void ProcessEvent(); extern "C" __declspec(dllexport) void SetFixEnabled(bool enabled, bool init) { g_fix_enabled = enabled; if (init) { logger = InitializeLogger("Samson", PLUGIN_LOG); logger->info("Plugin {} loaded.", PLUGIN_NAME); } if (!AOBScanDone) { // Unreal Engine 5.7.4 logger->info("--------------- AOB scan started ---------------"); constexpr auto CameraComponentStringObfuscated = make_obfuscated<0xF3>("EB ?? F3 0F ?? ?? ?? ?? ?? ?? F3 0F ?? ?? ?? 8B 83 ?? ?? ?? ?? 89"); constexpr auto CameraStringObfuscated = make_obfuscated<0xF3>("48 8D ?? ?? 0F ?? ?? 48 8D 8D ?? ?? ?? ?? 0F ?? ?? 0F ?? ?? F2"); constexpr auto WorldTimeDilationStringObfuscated = make_obfuscated<0xF6>("F6 81 ?? ?? ?? ?? ?? 74 ?? F3 0F ?? ?? ?? ?? ?? ?? F3 0F ?? ?? ?? ?? ?? ?? F3 0F ?? ?? ?? ?? ?? ?? C3"); constexpr auto TimeDilationStringObfuscated = make_obfuscated<0x44>("F3 0F ?? ?? ?? EB ?? F3 0F ?? ?? ?? ?? ?? ?? 48 8B ?? ?? 4C ?? ?? F3 0F ?? ?? 44"); using AOBScan::Make; using OffsetScan::Make; // Prepare all data for scanning std::vector signatures = { Make(&CameraComponentaddress, CameraComponentStringObfuscated, "Camera component"), Make(&Cameraaddress, CameraStringObfuscated, "Camera"), Make(&WorldTimedilationaddress, WorldTimeDilationStringObfuscated, "World time dilation"), Make(&Timedilationaddress, TimeDilationStringObfuscated, "Actor time dilation"), }; // Scan all signature in a batch Memory::AOBScanBatch(signatures, logger); if (CameraComponentaddress && Cameraaddress && WorldTimedilationaddress && Timedilationaddress) logger->info("All AOB signatures found. Ready to patch..."); if (!GObjectsaddress || !AppendStringaddress || !ProcessEventaddress) { logger->info("------------ UEngine offsets search ------------"); uint8_t* baseModule = reinterpret_cast(GetModuleHandleA(nullptr)); // Get game base address constexpr auto GObjetcsStringObfuscated = make_obfuscated<0xC7>("48 8D 05 ?? ?? ?? ?? C7 83 ?? ?? ?? ?? ?? ?? ?? ?? C6 83 ?? ?? ?? ?? ?? 48 89 05 ?? ?? ?? ?? 48"); constexpr auto GWorldStringObfuscated = make_obfuscated<0x5B>("48 8B 05 ?? ?? ?? ?? 48 ?? ?? 75 ?? 48 83 ?? ?? 5B C3"); constexpr auto AppendStringStringObfuscated = make_obfuscated<0x80>("48 89 ?? ?? ?? 48 89 ?? ?? ?? 57 48 83 ?? ?? 80 3D ?? ?? ?? ?? ?? 48 ?? F2 8B ?? 48 ?? ?? 74 ?? 4C 8D ?? ?? ?? ?? ?? EB ?? 48 8D ?? ?? ?? ?? ?? E8 ?? ?? ?? ?? 4C"); constexpr auto ProcessEventStringObfuscated = make_obfuscated<0x56>("40 ?? 56 57 41 ?? 41 ?? 41 ?? 41 ?? 48 81 ?? ?? ?? ?? ?? 48 8D ?? ?? ?? 48 89 ?? ?? ?? ?? ?? 48 8B ?? ?? ?? ?? ?? 48 ?? ?? 48 89 ?? ?? ?? ?? ?? 8B 41"); // Prepare all data for scanning std::vector UEoffsetsScans = { Make(&GObjectsaddress, GObjetcsStringObfuscated, "GObjects", OffsetCalcType::GetOffsetFromOpcode, &Offsets::GObjects, 0x3), Make(&GWorldaddress, GWorldStringObfuscated, "GWorld", OffsetCalcType::GetOffsetFromOpcode, &Offsets::GWorld, 0x3), Make(&AppendStringaddress, AppendStringStringObfuscated, "AppendString", OffsetCalcType::UE_CalculateOffset, &Offsets::AppendString), Make(&ProcessEventaddress, ProcessEventStringObfuscated, "ProcessEvent", OffsetCalcType::UE_CalculateOffset, &Offsets::ProcessEvent) }; // Retrieve all Unreal Engine offsets in a batch Memory::OffsetScanBatch(UEoffsetsScans, baseModule, logger, ""); } logger->info("-------------- Fixes initialisation -------------"); AOBScanDone = true; } ProcessEvent(); if (init) return; FOVFixEnabled(); CameraFixEnabled(); HUDUpdate(false); SetAllEffectsToBeToggled(); LogFixToggle(GameFixes::None, g_fix_enabled); } // Setters for Reshade addon call extern "C" __declspec(dllexport) void SetFixesEnabled(GameFixes fix, bool enabled) { // Set each fix individually bool bVisual = g_fix_enabled && enabled; if (fix == GameFixes::DevConsole) { EnableConsole(); } if (fix == GameFixes::FOV) { g_fov_fix_enabled = enabled; FOVFixEnabled(); } if (fix == GameFixes::Camera) { g_Camera_fix_enabled = enabled; CameraFixEnabled(); } if (fix == GameFixes::Cutscenes) { g_Letterboxing_fix_enabled = enabled; } if (fix == GameFixes::ChromaticAberrations) { g_CA_fix_enabled = enabled; gPendingCA = true; LogFixToggle(fix, bVisual); } if (fix == GameFixes::Vignetting) { g_Vignetting_fix_enabled = enabled; gPendingVignetting = true; LogFixToggle(fix, bVisual); } if (fix == GameFixes::Fog) { g_Fog_fix_enabled = enabled; gPendingFog = true; LogFixToggle(fix, bVisual); } if (fix == GameFixes::HUD) { g_HUD_fix_enabled = enabled; HUDUpdate(true); } if (fix == GameFixes::TimeDilation) { g_TimeDilation_fix_enabled = enabled; EnableCheats(Cheat::TimeDilation); } if (fix == GameFixes::GodMode) { g_GodMode_fix_enabled = enabled; EnableCheats(Cheat::GodMode); } if (fix == GameFixes::Stealth) { g_Stealth_fix_enabled = enabled; EnableCheats(Cheat::Stealth); } } extern "C" __declspec(dllexport) void SetValues(GameSetting setting, float value) { if (setting == GameSetting::FOV) g_AdditionalFOVValue = (int)(value); if (setting == GameSetting::HUD) { g_HUDOffsets = (value * screenWidth) / 100; HUDUpdate(false); } if (setting == GameSetting::UI) { g_UIOffsets = (value * screenWidth) / 100; HUDUpdate(false); } if (setting == GameSetting::CameraDistance) g_CameraMultiplier = value; if (setting == GameSetting::WorldTimeDilation) g_WorldTimeDilationValue = value; if (setting == GameSetting::AITimeDilation) g_AITimeDilationValue = value; } // Getters for Reshade addon call extern "C" __declspec(dllexport) void GetGameInfos(GameInfos* infos) { if (!infos) return; infos->FOVIn = g_FOV_In; infos->FOVOut = g_FOV_Out; infos->cameraIn = g_CameraIn; infos->cameraOut = g_CameraOut; infos->Health = g_PlayerHealth; infos->screenWidth = screenWidth; infos->screenHeight = screenHeight; infos->aspectRatio = (float)screenWidth / screenHeight; infos->consoleEnabled = g_Console_Enabled; } // -- Code injection functions -- // Tracking sets std::unordered_set g_TrackedCenteredUIWidgets; std::unordered_set g_TrackedLeftSidedWidgets; std::unordered_set g_TrackedRightSidedWidgets; // Left, right sided and centered widgets std::unordered_set g_LeftSidedWidgets = { //"WBP_PlayerHUD_C" "WBP_MiniMap_C", "WBP_HUD_HealthStatus_C", // Health pills and more "WBP_HUD_CurrentLocation_C", // Location bar (vies ...) //"WBP_HUD_ProgressBar_C", // Health bar etc //"WBP_HUD_Objective_C", // ?? //"WBP_HUD_VehicleWidget_C", // Compte tour etc... //"WBP_TailOnFoot_C", // ?? //"WBP_HUD_Mission_C", // ?? //"WBP_HUD_HudIcons_C", // Crosshair "WBP_HUD_MissionGameplay_C", //"WBP_MissionGameplay_C", // ?? //"WBP_HUD_Skills_C", "WBP_HUD_HintItem_C", // Hint voiture à garder "WBP_LocateItem_C", // Location in the map "WBP_TimeTrialTimeItem_C", //"WBP_HUD_Timer_C" //"WBP_HUD_MissionGameplay_C", // ? //"WBP_OnboardingInstruction_C" // Instructions à virer }; std::unordered_set g_CenteredUIWidgets = { // WBP_CrimeScene_Map_C "WBP_StartMenu_C", "WBP_GameMenu_C" }; std::unordered_set g_RightSidedWidgets = { "WBP_HUD_VehicleWidget_C", "WBP_HUD_HourToHour_C", }; static UUserWidget* letterBoxWidget = nullptr; static ULONGLONG lastScanTick = 0; // Last time tick was called static void ProcessEvent() { if (!PEHook && ProcessEventaddress) { PEHook = safetyhook::create_mid(ProcessEventaddress + 0xc, [](SafetyHookContext& ctx) { ULONGLONG now = GetTickCount64(); if (now - lastScanTick >= DEFAULT_DELAY_BETWEEN_TICK) { // Delay between each tick to avoid ProcessEvent stuttering lastScanTick = now; GetResolution(screenWidth, screenHeight, g_AspectRatio); HUDUpdate(false); } UObject* object = (UObject*)ctx.rcx; UFunction* func = (UFunction*)ctx.rdx; if (!object || !func) return; const std::string funcName = func->GetName(); const std::string className = object->Class->GetName(); const std::string objectFullName = object->GetFullName(); //if (className == "WBP_HUD_ProgressBar_C" && funcName != "Tick") // Debug // logger->debug("WBP_HUD_ProgressBar_C - {} - function: {}",object->GetFullName(), funcName); if (object->IsA(UUserWidget::StaticClass())) { auto* widget = static_cast(object); if (funcName == "Construct") { TrackWidgetConstruct(widget); if (g_LeftSidedWidgets.contains(className)) g_TrackedLeftSidedWidgets.insert(widget); if (objectFullName.find("ExitProgressBar") != std::string::npos) { g_TrackedLeftSidedWidgets.insert(widget); logger->debug("ExitProgressBar tracked"); } if (g_RightSidedWidgets.contains(className)) g_TrackedRightSidedWidgets.insert(widget); if (g_CenteredUIWidgets.contains(className)) g_TrackedCenteredUIWidgets.insert(widget); if (g_fix_enabled && g_HUD_fix_enabled) HUDUpdate(false); // Called once if (className == "WBP_Letterbox_Overlay_C") { letterBoxWidget = widget; if (UKismetSystemLibrary::IsValid(widget) && g_fix_enabled && g_Letterboxing_fix_enabled) widget->SetVisibility(ESlateVisibility::Collapsed); } } if (funcName == "Destruct") { TrackWidgetDestruct(widget); g_TrackedLeftSidedWidgets.erase(widget); g_TrackedRightSidedWidgets.erase(widget); g_TrackedCenteredUIWidgets.erase(widget); if (className == "WBP_Letterbox_Overlay_C") letterBoxWidget = nullptr; } } }); } } // -- HUD positionning -- static void HUDUpdate(bool writeLog) { //return; if (writeLog) logger->info("HUD fix {}", g_fix_enabled && g_HUD_fix_enabled ? "enabled" : "disabled"); float UIoffset = g_fix_enabled && g_HUD_fix_enabled ? g_UIOffsets : 0; float HUDoffset = g_fix_enabled && g_HUD_fix_enabled ? g_HUDOffsets : 0; // Copy sets to avoid race conditions std::unordered_set copyLeftWidgets = g_TrackedLeftSidedWidgets; std::unordered_set copyRightWidgets = g_TrackedRightSidedWidgets; for (auto* widget : copyLeftWidgets) { if (!UKismetSystemLibrary::IsValid(widget)) continue; // Ensure the widget is valid ApplyTransformOffset(widget, HUDoffset); } for (auto* widget : copyRightWidgets) { if (!UKismetSystemLibrary::IsValid(widget)) continue; // Ensure the widget is valid ApplyTransformOffset(widget, -HUDoffset); } } static void FOVFixEnabled() { //if (g_fov_fix_enabled) // Here to track Widgets // DumpUIAnalysis(logger); //else ClearWidgetTracking(); if (!CameraComponentaddress) return; if (!FOVHook) { // Hook only once FOVHook = safetyhook::create_mid(CameraComponentaddress + 0xa, [](SafetyHookContext& ctx) { g_FOV_In = ctx.xmm0.f32[0]; ctx.xmm0.f32[0] += g_fix_enabled && g_fov_fix_enabled ? g_AdditionalFOVValue : 0.f; g_FOV_Out = ctx.xmm0.f32[0]; }); } logger->info("FOV fix {}", g_fix_enabled && g_fov_fix_enabled ? "enabled" : "disabled"); } static void CameraFixEnabled() { if (!Cameraaddress) return; if (g_fix_enabled && g_Camera_fix_enabled) { if (!CameraHook) { CameraHook = safetyhook::create_mid(Cameraaddress, [](SafetyHookContext& ctx) { g_CameraIn = ctx.xmm1.f32[0]; ctx.xmm1.f32[0] *= g_fix_enabled && g_Camera_fix_enabled ? g_CameraMultiplier : 1.f; g_CameraOut = ctx.xmm1.f32[0]; }); } else CameraHook.enable(); } else if (CameraHook) CameraHook.disable(); logger->info("Camera distance fix {}", g_fix_enabled && g_Camera_fix_enabled ? "enabled" : "disabled"); } // -- Cheats -- static ULONGLONG lastScanWTDTick = 0; // Last time tick was called static void EnableCheats(Cheat cheat) { if (WorldTimedilationaddress && !WorldTimeDilationHook) { WorldTimeDilationHook = safetyhook::create_mid(WorldTimedilationaddress + 0x19, [](SafetyHookContext& ctx) { // From AWorldSettings retrieved from world->K2_GetWorldSettings() ctx.xmm0.f32[0] *= g_TimeDilation_fix_enabled ? g_WorldTimeDilationValue : 1.f; ULONGLONG now = GetTickCount64(); if (now - lastScanWTDTick >= DEFAULT_DELAY_BETWEEN_WTD_TICK) { // Delay between each tick to avoid ProcessEvent stuttering lastScanWTDTick = now; if (UKismetSystemLibrary::IsValid(letterBoxWidget)) letterBoxWidget->SetVisibility(g_fix_enabled && g_Letterboxing_fix_enabled ? ESlateVisibility::Collapsed : ESlateVisibility::Visible); } // Apply visual effects only in hook main thread to ensure they will be applied correctly if (!g_Console_Enabled) return; // It relies on dev console being reactivated if (gPendingFog.exchange(false)) ApplyVisualEffect(GameFixes::Fog, g_fix_enabled && g_Fog_fix_enabled); if (gPendingCA.exchange(false)) ApplyVisualEffect(GameFixes::ChromaticAberrations, g_fix_enabled && g_CA_fix_enabled); if (gPendingVignetting.exchange(false)) ApplyVisualEffect(GameFixes::Vignetting, g_fix_enabled && g_Vignetting_fix_enabled); }); } // Enemies time dilation if (Timedilationaddress && !TimeDilationHook) { TimeDilationHook = safetyhook::create_mid(Timedilationaddress, [](SafetyHookContext& ctx) { if (!ctx.rbx) return; UObject* object = (UObject*)ctx.rbx; if (!object || !object->Class) return; }); } if (cheat == Cheat::TimeDilation) logger->info("Time dilation cheat {}", g_TimeDilation_fix_enabled ? "enabled" : "disabled"); if (cheat == Cheat::GodMode) logger->info("God mode cheat {}", g_GodMode_fix_enabled ? "enabled" : "disabled"); if (cheat == Cheat::Stealth) logger->info("Stealth cheat {}", g_Stealth_fix_enabled ? "enabled" : "disabled"); } // UE Console creation static void EnableConsole() { if (g_Console_Enabled || !GObjectsaddress || !AppendStringaddress || !ProcessEventaddress) return; logger->info("-------------- Console re-enabling --------------"); ReactivateDevConsole(logger); } // Standard dll entry BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID) { if (reason == DLL_PROCESS_DETACH) { logger->info("Plugin {} unloaded.", PLUGIN_NAME); spdlog::drop_all(); } return TRUE; }