442 lines
21 KiB
C++
442 lines
21 KiB
C++
#include "CommonHeaders.h"
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#include "UETools.hpp"
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#include "UEvars.hpp"
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#include "Logger.hpp"
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#include "SDK/Basic.hpp"
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#include "SDK/Engine_classes.hpp"
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#include "SDK/Styx2_classes.hpp"
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using namespace SDK;
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// Constants
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const std::string PLUGIN_NAME = "Styx2";
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const std::string PLUGIN_LOG = PLUGIN_NAME + ".log";
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constexpr ULONGLONG DEFAULT_DELAY_BETWEEN_TICK = 500; // Used for enemies 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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float g_BaseAspectRatio = 1.777778;
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// Plugin states
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static bool AOBScanDone = false;
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static bool g_Console = 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_DOF_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_Amber_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_CameraHeight = 0.f;
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static float g_CameraLateral = 0.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 float g_HUDLeft = 0;
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static float g_HUDRight = 0;
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static float g_PlayerHealth = 0.f;
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static float g_PlayerAmber = 0.f;
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static bool user_inputs_logged = false;
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// Shared values
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static float g_FOV_In = 60.f;
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static float g_CompensatedFOV = 60.f;
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static float g_FOV_Out = 60.f;
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static float g_CameraIn = 250.f;
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static float g_CameraOut = 250.f;
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// AOB Scan pointers
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static uint8_t* FOVaddress = nullptr;
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static uint8_t* DOFaddress = nullptr;
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static uint8_t* CAaddress = nullptr;
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static uint8_t* Vignettingaddress = nullptr;
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static uint8_t* Fogaddress = nullptr;
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static uint8_t* CameraComponentaddress = nullptr;
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static uint8_t* CameraDistanceaddress = nullptr;
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static uint8_t* HUD1address = nullptr;
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static uint8_t* HUD2address = nullptr;
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static uint8_t* WorldTimedilationaddress = nullptr;
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static uint8_t* Timedilationaddress = nullptr;
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static uint8_t* Stealthaddress = nullptr;
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// Hooking
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static SafetyHookMid FOVHook{};
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static SafetyHookMid DOFHook{};
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static SafetyHookMid FogHook{};
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static SafetyHookMid CameraDistanceHook{};
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static SafetyHookMid CameraHeightHook{};
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static SafetyHookMid HUD1Hook{};
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static SafetyHookMid HUD2Hook{};
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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 UltraWideFixEnabled();
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static void CameraDistanceFixEnabled();
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static void HUDFixEnabled();
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static void DOFFixEnabled();
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static void CAFixEnabled();
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static void VignettingFixEnabled();
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static void FogFixEnabled();
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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 (!AOBScanDone) { // Unreal Engine 4.13.1
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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 FOVStringObfuscated = make_obfuscated<0x9C>("F3 0F ?? ?? 48 8B ?? ?? 48 ?? ?? 4C 8D ?? ?? 48");
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constexpr auto CameraDistanceStringObfuscated = make_obfuscated<0x41>("8B ?? ?? 89 ?? ?? F3 0F ?? ?? ?? F3 0F ?? ?? ?? F3 0F ?? ?? ?? F3 41"); // 0x21
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constexpr auto DOFStringObfuscated = make_obfuscated<0x78>("83 78 ?? ?? 66 C7 ?? ?? ?? ?? ?? 0F ?? ?? 32 ?? 84 ?? 0F 84");
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constexpr auto CAStringObfuscated = make_obfuscated<0x42>("7F ?? 89 B7 ?? ?? ?? ?? 42 8B");
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constexpr auto VignettingStringObfuscated = make_obfuscated<0xB7>("8B ?? 83 ?? ?? 7D ?? 89 B7 ?? ?? ?? ?? 83");
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constexpr auto FogStringObfuscated = make_obfuscated<0x78>("83 78 ?? ?? 0F 85 ?? ?? ?? ?? 49 8B ?? ?? 83 BF");
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constexpr auto WorldTimeDilationStringObfuscated = make_obfuscated<0x59>("0F ?? ?? F3 0F 59 ?? ?? ?? ?? ?? 0F ?? ?? 48 ?? ?? 48 ?? ?? F3 0F 59");
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constexpr auto TimeDilationStringObfuscated = make_obfuscated<0x44>("F3 0F ?? ?? 4C ?? ?? 44 8B ?? ?? 49 8B ?? ?? 48 ?? ?? FF 92");
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constexpr auto StealthStringObfuscated = make_obfuscated<0x44>("E8 ?? ?? ?? ?? 84 ?? 74 ?? 84 ?? 0F 84");
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constexpr auto HUD1StringObfuscated = make_obfuscated<0x66>("41 0F ?? ?? 41 0F ?? ?? 0F ?? ?? 66 49 ?? ?? ?? 66 49 ?? ?? ?? E8");
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constexpr auto HUD2StringObfuscated = make_obfuscated<0xFF>("48 ?? ?? 48 ?? ?? 66 48 ?? ?? ?? FF ?? 48 8B ?? ?? ?? 0F ?? ??");
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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(&FOVaddress, FOVStringObfuscated, "FOV"),
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Make(&CameraComponentaddress, CameraComponentStringObfuscated, "Camera component"),
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Make(&CameraDistanceaddress, CameraDistanceStringObfuscated, "Camera distance"),
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Make(&HUD1address, HUD1StringObfuscated, "HUD"),
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Make(&HUD2address, HUD2StringObfuscated, "HUD"),
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Make(&DOFaddress, DOFStringObfuscated, "DOF"),
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Make(&CAaddress, CAStringObfuscated, "Chromatic aberrations"),
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Make(&Vignettingaddress, VignettingStringObfuscated, "Vignetting"),
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Make(&Fogaddress, FogStringObfuscated, "Fog"),
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Make(&WorldTimedilationaddress, WorldTimeDilationStringObfuscated, "World time dilation"),
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Make(&Timedilationaddress, TimeDilationStringObfuscated, "Actor time dilation"),
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Make(&Stealthaddress, StealthStringObfuscated, "Stealth")
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};
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Memory::AOBScanBatch(signatures, logger); // Scan all signature in a batch
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if (FOVaddress && CameraComponentaddress && CameraDistanceaddress && HUD1address && HUD2address && DOFaddress &&
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CAaddress && Vignettingaddress && Fogaddress && WorldTimedilationaddress && Timedilationaddress && Stealthaddress)
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logger->info("All AOB signatures found. Ready to patch...");
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if (!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 ProcessEventStringObfuscated = make_obfuscated<0x56>("40 ?? 56 57 41 ?? 41 ?? 41 ?? 41 ?? 48 81 ?? ?? ?? ?? ?? 48 8D ?? ?? ?? 48 89 ?? ?? ?? ?? ?? 48 8B ?? ?? ?? ?? ?? 48 ?? ?? 48 89 ?? ?? ?? ?? ?? 48 63");
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// Prepare all data for scanning
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std::vector<OffsetScanEntry> UEoffsetsScans = {
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Make(&ProcessEventaddress, ProcessEventStringObfuscated, "ProcessEvent", OffsetCalcType::UE_CalculateOffset, &Offsets::ProcessEvent)
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};
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Memory::OffsetScanBatch(UEoffsetsScans, baseModule, logger, ""); // Retrieve all Unreal Engine offsets in a batch
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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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if (!init) {
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FOVFixEnabled();
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UltraWideFixEnabled();
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CameraDistanceFixEnabled();
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HUDFixEnabled();
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DOFFixEnabled();
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CAFixEnabled();
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VignettingFixEnabled();
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FogFixEnabled();
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}
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ProcessEvent();
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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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if (fix == GameFixes::DevConsole) { g_Console = enabled; EnableConsole(); }
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if (fix == GameFixes::FOV) { g_fov_fix_enabled = enabled; FOVFixEnabled(); }
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if (fix == GameFixes::UltraWide) { UltraWideFixEnabled(); }
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if (fix == GameFixes::Camera) { g_Camera_fix_enabled = enabled; CameraDistanceFixEnabled(); }
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if (fix == GameFixes::DOF) { g_DOF_fix_enabled = enabled; DOFFixEnabled(); }
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if (fix == GameFixes::ChromaticAberrations) { g_CA_fix_enabled = enabled; CAFixEnabled(); }
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if (fix == GameFixes::Vignetting) { g_Vignetting_fix_enabled = enabled; VignettingFixEnabled(); }
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if (fix == GameFixes::Fog) { g_Fog_fix_enabled = enabled; FogFixEnabled(); }
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if (fix == GameFixes::HUD) { g_HUD_fix_enabled = enabled; HUDFixEnabled(); }
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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::Mana) { g_Amber_fix_enabled = enabled; EnableCheats(Cheat::Mana); }
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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::CameraDistance) g_CameraMultiplier = value;
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if (setting == GameSetting::CameraHeight) g_CameraHeight = value;
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if (setting == GameSetting::CameraLateral) g_CameraLateral = value;
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if (setting == GameSetting::HUD) {
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g_HUDLeft = value / 100;
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g_HUDRight = 1 - (value / 100);
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g_HUDOffsets = ((int)value * screenWidth) / 100;
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}
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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->CompensatedFOV = g_CompensatedFOV;
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infos->Health = g_PlayerHealth;
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infos->Mana = g_PlayerAmber;
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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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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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}
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});
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}
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}
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static void FOVFixEnabled() {
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if (!FOVaddress) return;
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if (!FOVHook) { // Hook only once
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FOVHook = safetyhook::create_mid(FOVaddress,
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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] = Maths::CompensateHorizontalFOV(g_FOV_In, g_BaseAspectRatio, g_AspectRatio);
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g_CompensatedFOV = ctx.xmm0.f32[0];
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if (g_fix_enabled && g_fov_fix_enabled)
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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 CameraDistanceFixEnabled() {
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if (!CameraDistanceaddress) return;
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if (g_fix_enabled && g_Camera_fix_enabled) {
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if (!CameraDistanceHook) { // Hook only once
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CameraDistanceHook = safetyhook::create_mid(CameraDistanceaddress + 0x21,
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[](SafetyHookContext& ctx) {
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g_CameraIn = -ctx.xmm2.f32[0];
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ctx.xmm2.f32[0] *= g_CameraMultiplier; // Set camera back distance
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g_CameraOut = -ctx.xmm2.f32[0];
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ctx.xmm1.f32[0] += g_CameraLateral; // Set camera to lateral
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});
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}
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else CameraDistanceHook.enable();
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if (!CameraHeightHook) { // Hook only once
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CameraHeightHook = safetyhook::create_mid(CameraDistanceaddress + 0x2F,
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[](SafetyHookContext& ctx) {
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ctx.xmm0.f32[0] += g_CameraHeight; // Set camera height
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});
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}
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else CameraHeightHook.enable();
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}
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else {
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if (CameraDistanceHook) CameraDistanceHook.disable();
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if (CameraHeightHook) CameraHeightHook.disable();
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}
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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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static const std::string HUDClassName = "AIHUD_C";
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static const std::string HUDInteractionClassName = "HUDInteraction_C";
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static void HUDFixEnabled() {
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if (!HUD1address || !HUD2address) return;
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if (g_fix_enabled && g_HUD_fix_enabled) {
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if (!HUD1Hook) { // Hook only once
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// Used to reposition health and Amber bar from UStyx2HUDProgressBarSheet -> Material
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// From the material pointer we can check who has access to this object using Cheat Engine
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HUD1Hook = safetyhook::create_mid(HUD1address, // Used to reposition health and Amber bar from UStyx2HUDProgressBarSheet -> Material
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[](SafetyHookContext& ctx) {
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ctx.xmm10.f32[0] -= (float)g_HUDOffsets;
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});
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}
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else HUD1Hook.enable();
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if (!HUD2Hook) { // Hook only once
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// Used to force reposition of UI & main HUD
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// This low level asm function has its rcx register as a pointer to the widget being drawn, allowing to filter them properly
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HUD2Hook = safetyhook::create_mid(HUD2address + 0x18, // Used to force reposition of UI & main HUD
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[](SafetyHookContext& ctx) {
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UObject* object = (UObject*)ctx.rcx;
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if (!object || !object->Class || !object->Class->SuperStruct) return;
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auto className = object->Class->GetName(); // Only using GetName here instead of IsA to avoid CTD
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bool isHUDInteraction = className.contains(HUDInteractionClassName);
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if (className.contains(HUDClassName)) return; // We don't want AI HUD to be redrawn
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ctx.xmm0.f32[0] = isHUDInteraction ? 0.5f : g_HUDLeft; // Fix interaction buttons shifted by re centering it
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ctx.xmm0.f32[1] = 0.f;
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ctx.xmm0.f32[2] = g_HUDRight;
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ctx.xmm0.f32[3] = 1.0f;
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});
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}
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else HUD2Hook.enable();
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}
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else {
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if (HUD1Hook) HUD1Hook.disable();
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if (HUD2Hook) HUD2Hook.disable();
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}
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}
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static void DOFFixEnabled() {
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if (!DOFaddress) return;
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if (g_fix_enabled && g_DOF_fix_enabled) {
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if (!DOFHook) { // Hook only once
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DOFHook = safetyhook::create_mid(DOFaddress,
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[](SafetyHookContext& ctx) {
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if (!ctx.rax) return;
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*reinterpret_cast<uint8_t*>(ctx.rax + 0x4) = g_fix_enabled && g_DOF_fix_enabled ? 0 : 1; // r.DepthOfFieldQuality = 0
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});
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}
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}
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logger->info("Depth of field fix {}", g_fix_enabled && g_DOF_fix_enabled ? "enabled" : "disabled");
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}
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static void FogFixEnabled() {
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if (!Fogaddress) return;
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if (!FogHook) { // Hook only once
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FogHook = safetyhook::create_mid(Fogaddress,
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[](SafetyHookContext& ctx) {
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if (!ctx.rax) return;
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*reinterpret_cast<uint8_t*>(ctx.rax + 0x4) = g_fix_enabled && g_Fog_fix_enabled ? 0 : 1; // r.Fog = 0
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});
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}
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logger->info("Fog fix {}", g_fix_enabled && g_Fog_fix_enabled ? "enabled" : "disabled");
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}
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// -- Cheats --
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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,
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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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});
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}
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// Enemies time dilation & more
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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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if (object->IsA(AStyx2PlayerCharacter::StaticClass())) {
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auto* styx = static_cast<AStyx2PlayerCharacter*>(object);
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if (styx && styx->Class) {
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auto* controller = styx->Controller;
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if (controller && controller->IsA(APlayerController::StaticClass())) {
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g_PlayerHealth = styx->GetCurrentHealth();
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g_PlayerAmber = styx->GetCurrentAmber();
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if (g_GodMode_fix_enabled) styx->RestoreLifeOverTime(styx->GameplaySheet->MaxHealth - g_PlayerHealth, 1.f);
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if (g_Amber_fix_enabled) styx->RestoreAmberOverTime(styx->GameplaySheet->MaxAmber - g_PlayerAmber, 1.f);
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}
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}
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}
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if (object->IsA(AStyx2AICharacter::StaticClass())) {
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auto* enemy = static_cast<AStyx2AICharacter*>(object);
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if (enemy && enemy->Class) {
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ctx.xmm1.f32[0] *= g_TimeDilation_fix_enabled ? g_AITimeDilationValue : 1.f; // Set enemy time dilation
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AStyx2AIController* AIController = enemy->GetStyx2AIController();
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if (AIController && AIController->Class && AIController->CognitionComponent && AIController->CognitionComponent->DetectionComponent) {
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AIController->CognitionComponent->bVigilant = !g_Stealth_fix_enabled;
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AIController->CognitionComponent->bLastVigilant = !g_Stealth_fix_enabled;
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AIController->CognitionComponent->bPermaVigilant = !g_Stealth_fix_enabled;
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if (g_Stealth_fix_enabled) { // Enemies will forget about their stimuli
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AIController->CognitionComponent->DetectionComponent->ResetAllStimuli();
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AIController->CognitionComponent->DetectionComponent->ResetStrangeStimuli();
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}
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}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
if (Stealthaddress) {
|
|
if (g_Stealth_fix_enabled) Memory::PatchBytes(Stealthaddress, "\x90\x90\x90\x90\x90", 5);
|
|
else Memory::RestoreBytes(Stealthaddress);
|
|
}
|
|
// Log cheats status
|
|
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::Mana) logger->info("Amber cheat {}", g_Amber_fix_enabled ? "enabled" : "disabled");
|
|
if (cheat == Cheat::Stealth) logger->info("Stealth cheat {}", g_Stealth_fix_enabled ? "enabled" : "disabled");
|
|
}
|
|
|
|
// Memory patch fixes
|
|
static void UltraWideFixEnabled() {
|
|
if (!CameraComponentaddress) return;
|
|
Memory::PatchBytes(CameraComponentaddress + 0x1b, "\x31\xC0\x90\x90\x90\x90", 6);
|
|
}
|
|
|
|
static void CAFixEnabled() {
|
|
if (!CAaddress) return;
|
|
if (g_fix_enabled && g_CA_fix_enabled)
|
|
Memory::PatchBytes(CAaddress, "\x90\x90", 2); // NOP x 2 r.SceneColorFringeQuality = 0
|
|
else Memory::RestoreBytes(CAaddress);
|
|
|
|
logger->info("Chromatics aberrations fix {}", g_fix_enabled && g_CA_fix_enabled ? "enabled" : "disabled");
|
|
}
|
|
|
|
static void VignettingFixEnabled() {
|
|
if (!Vignettingaddress) return;
|
|
if (g_fix_enabled && g_Vignetting_fix_enabled)
|
|
Memory::PatchBytes(Vignettingaddress, "\x31\xC9", 2); // xor ecx,ecx r.Tonemapper.Quality=0
|
|
else Memory::RestoreBytes(Vignettingaddress);
|
|
|
|
logger->info("Vignetting fix {}", g_fix_enabled && g_Vignetting_fix_enabled ? "enabled" : "disabled");
|
|
}
|
|
|
|
// UE Console creation
|
|
static void EnableConsole() {
|
|
if (g_Console_Enabled || !g_Console || !ProcessEventaddress) {
|
|
if (!g_Console && !user_inputs_logged) {
|
|
logger->info("------------------ User inputs ------------------");
|
|
user_inputs_logged = true;
|
|
}
|
|
return;
|
|
}
|
|
|
|
logger->info("-------------- Console re-enabling --------------");
|
|
ReactivateDevConsole(logger);
|
|
}
|
|
// Standard dll entry
|
|
BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID) {
|
|
if (reason == DLL_PROCESS_ATTACH) {
|
|
logger = InitializeLogger("Styx: Shards Of Darkness", PLUGIN_LOG);
|
|
logger->info("Plugin {} loaded.", PLUGIN_NAME);
|
|
}
|
|
else if (reason == DLL_PROCESS_DETACH) {
|
|
logger->info("Plugin {} unloaded.", PLUGIN_NAME);
|
|
spdlog::drop_all();
|
|
}
|
|
return TRUE;
|
|
} |