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