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Add initial release

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This commit is contained in:
Emmanuel AYME
2026-03-29 19:39:34 +02:00
parent 31a60ae770
commit ceb1f593cd
1 changed files with 442 additions and 0 deletions
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StyxShardsOFDarkness/dllmain.cpp Normal file
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#include "CommonHeaders.h"
#include "UETools.hpp"
#include "UEvars.hpp"
#include "Logger.hpp"
#include "SDK/Basic.hpp"
#include "SDK/Engine_classes.hpp"
#include "SDK/Styx2_classes.hpp"
using namespace SDK;
// Constants
const std::string PLUGIN_NAME = "Styx2";
const std::string PLUGIN_LOG = PLUGIN_NAME + ".log";
constexpr ULONGLONG DEFAULT_DELAY_BETWEEN_TICK = 500; // Used for enemies time dilation
// Logger
std::shared_ptr<spdlog::logger> logger;
// Screen informations
static int screenWidth = GetSystemMetrics(SM_CXSCREEN);
static int screenHeight = GetSystemMetrics(SM_CYSCREEN);
float g_AspectRatio = (float)screenWidth / screenHeight;
float g_BaseAspectRatio = 1.777778;
// Plugin states
static bool AOBScanDone = false;
static bool g_Console = false;
static std::atomic<bool> g_fix_enabled = false;
static std::atomic<bool> g_fov_fix_enabled = false;
static std::atomic<bool> g_HUD_fix_enabled = false;
static std::atomic<bool> g_Camera_fix_enabled = false;
static std::atomic<bool> g_DOF_fix_enabled = false;
static std::atomic<bool> g_CA_fix_enabled = false;
static std::atomic<bool> g_Vignetting_fix_enabled = false;
static std::atomic<bool> g_Fog_fix_enabled = false;
static std::atomic<bool> g_TimeDilation_fix_enabled = false;
static std::atomic<bool> g_GodMode_fix_enabled = false;
static std::atomic<bool> g_Amber_fix_enabled = false;
static std::atomic<bool> g_Stealth_fix_enabled = false;
static int g_AdditionalFOVValue = 0;
static float g_CameraMultiplier = 1.f;
static float g_CameraHeight = 0.f;
static float g_CameraLateral = 0.f;
static float g_WorldTimeDilationValue = 1.f;
static float g_AITimeDilationValue = 1.f;
static int g_HUDOffsets = 0;
static float g_HUDLeft = 0;
static float g_HUDRight = 0;
static float g_PlayerHealth = 0.f;
static float g_PlayerAmber = 0.f;
static bool user_inputs_logged = false;
// Shared values
static float g_FOV_In = 60.f;
static float g_CompensatedFOV = 60.f;
static float g_FOV_Out = 60.f;
static float g_CameraIn = 250.f;
static float g_CameraOut = 250.f;
// AOB Scan pointers
static uint8_t* FOVaddress = nullptr;
static uint8_t* DOFaddress = nullptr;
static uint8_t* CAaddress = nullptr;
static uint8_t* Vignettingaddress = nullptr;
static uint8_t* Fogaddress = nullptr;
static uint8_t* CameraComponentaddress = nullptr;
static uint8_t* CameraDistanceaddress = nullptr;
static uint8_t* HUD1address = nullptr;
static uint8_t* HUD2address = nullptr;
static uint8_t* WorldTimedilationaddress = nullptr;
static uint8_t* Timedilationaddress = nullptr;
static uint8_t* Stealthaddress = nullptr;
// Hooking
static SafetyHookMid FOVHook{};
static SafetyHookMid DOFHook{};
static SafetyHookMid FogHook{};
static SafetyHookMid CameraDistanceHook{};
static SafetyHookMid CameraHeightHook{};
static SafetyHookMid HUD1Hook{};
static SafetyHookMid HUD2Hook{};
static SafetyHookMid PEHook{};
static SafetyHookMid WorldTimeDilationHook{};
static SafetyHookMid TimeDilationHook{};
// Prototypes
static void FOVFixEnabled();
static void UltraWideFixEnabled();
static void CameraDistanceFixEnabled();
static void HUDFixEnabled();
static void DOFFixEnabled();
static void CAFixEnabled();
static void VignettingFixEnabled();
static void FogFixEnabled();
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 (!AOBScanDone) { // Unreal Engine 4.13.1
logger->info("--------------- AOB scan started ---------------");
constexpr auto CameraComponentStringObfuscated = make_obfuscated<0xF3>("EB ?? F3 0F ?? ?? ?? ?? ?? ?? F3 0F ?? ?? ?? 8B 83 ?? ?? ?? ?? 89");
constexpr auto FOVStringObfuscated = make_obfuscated<0x9C>("F3 0F ?? ?? 48 8B ?? ?? 48 ?? ?? 4C 8D ?? ?? 48");
constexpr auto CameraDistanceStringObfuscated = make_obfuscated<0x41>("8B ?? ?? 89 ?? ?? F3 0F ?? ?? ?? F3 0F ?? ?? ?? F3 0F ?? ?? ?? F3 41"); // 0x21
constexpr auto DOFStringObfuscated = make_obfuscated<0x78>("83 78 ?? ?? 66 C7 ?? ?? ?? ?? ?? 0F ?? ?? 32 ?? 84 ?? 0F 84");
constexpr auto CAStringObfuscated = make_obfuscated<0x42>("7F ?? 89 B7 ?? ?? ?? ?? 42 8B");
constexpr auto VignettingStringObfuscated = make_obfuscated<0xB7>("8B ?? 83 ?? ?? 7D ?? 89 B7 ?? ?? ?? ?? 83");
constexpr auto FogStringObfuscated = make_obfuscated<0x78>("83 78 ?? ?? 0F 85 ?? ?? ?? ?? 49 8B ?? ?? 83 BF");
constexpr auto WorldTimeDilationStringObfuscated = make_obfuscated<0x59>("0F ?? ?? F3 0F 59 ?? ?? ?? ?? ?? 0F ?? ?? 48 ?? ?? 48 ?? ?? F3 0F 59");
constexpr auto TimeDilationStringObfuscated = make_obfuscated<0x44>("F3 0F ?? ?? 4C ?? ?? 44 8B ?? ?? 49 8B ?? ?? 48 ?? ?? FF 92");
constexpr auto StealthStringObfuscated = make_obfuscated<0x44>("E8 ?? ?? ?? ?? 84 ?? 74 ?? 84 ?? 0F 84");
constexpr auto HUD1StringObfuscated = make_obfuscated<0x66>("41 0F ?? ?? 41 0F ?? ?? 0F ?? ?? 66 49 ?? ?? ?? 66 49 ?? ?? ?? E8");
constexpr auto HUD2StringObfuscated = make_obfuscated<0xFF>("48 ?? ?? 48 ?? ?? 66 48 ?? ?? ?? FF ?? 48 8B ?? ?? ?? 0F ?? ??");
using AOBScan::Make;
using OffsetScan::Make;
// Prepare all data for scanning
std::vector<AOBScanEntry> signatures = {
Make(&FOVaddress, FOVStringObfuscated, "FOV"),
Make(&CameraComponentaddress, CameraComponentStringObfuscated, "Camera component"),
Make(&CameraDistanceaddress, CameraDistanceStringObfuscated, "Camera distance"),
Make(&HUD1address, HUD1StringObfuscated, "HUD"),
Make(&HUD2address, HUD2StringObfuscated, "HUD"),
Make(&DOFaddress, DOFStringObfuscated, "DOF"),
Make(&CAaddress, CAStringObfuscated, "Chromatic aberrations"),
Make(&Vignettingaddress, VignettingStringObfuscated, "Vignetting"),
Make(&Fogaddress, FogStringObfuscated, "Fog"),
Make(&WorldTimedilationaddress, WorldTimeDilationStringObfuscated, "World time dilation"),
Make(&Timedilationaddress, TimeDilationStringObfuscated, "Actor time dilation"),
Make(&Stealthaddress, StealthStringObfuscated, "Stealth")
};
Memory::AOBScanBatch(signatures, logger); // Scan all signature in a batch
if (FOVaddress && CameraComponentaddress && CameraDistanceaddress && HUD1address && HUD2address && DOFaddress &&
CAaddress && Vignettingaddress && Fogaddress && WorldTimedilationaddress && Timedilationaddress && Stealthaddress)
logger->info("All AOB signatures found. Ready to patch...");
if (!ProcessEventaddress) {
logger->info("------------ UEngine offsets search ------------");
uint8_t* baseModule = reinterpret_cast<uint8_t*>(GetModuleHandleA(nullptr)); // Get game base address
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");
// Prepare all data for scanning
std::vector<OffsetScanEntry> UEoffsetsScans = {
Make(&ProcessEventaddress, ProcessEventStringObfuscated, "ProcessEvent", OffsetCalcType::UE_CalculateOffset, &Offsets::ProcessEvent)
};
Memory::OffsetScanBatch(UEoffsetsScans, baseModule, logger, ""); // Retrieve all Unreal Engine offsets in a batch
}
logger->info("-------------- Fixes initialisation -------------");
AOBScanDone = true;
}
if (!init) {
FOVFixEnabled();
UltraWideFixEnabled();
CameraDistanceFixEnabled();
HUDFixEnabled();
DOFFixEnabled();
CAFixEnabled();
VignettingFixEnabled();
FogFixEnabled();
}
ProcessEvent();
}
// Setters for Reshade addon call
extern "C" __declspec(dllexport) void SetFixesEnabled(GameFixes fix, bool enabled) { // Set each fix individually
if (fix == GameFixes::DevConsole) { g_Console = enabled; EnableConsole(); }
if (fix == GameFixes::FOV) { g_fov_fix_enabled = enabled; FOVFixEnabled(); }
if (fix == GameFixes::UltraWide) { UltraWideFixEnabled(); }
if (fix == GameFixes::Camera) { g_Camera_fix_enabled = enabled; CameraDistanceFixEnabled(); }
if (fix == GameFixes::DOF) { g_DOF_fix_enabled = enabled; DOFFixEnabled(); }
if (fix == GameFixes::ChromaticAberrations) { g_CA_fix_enabled = enabled; CAFixEnabled(); }
if (fix == GameFixes::Vignetting) { g_Vignetting_fix_enabled = enabled; VignettingFixEnabled(); }
if (fix == GameFixes::Fog) { g_Fog_fix_enabled = enabled; FogFixEnabled(); }
if (fix == GameFixes::HUD) { g_HUD_fix_enabled = enabled; HUDFixEnabled(); }
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::Mana) { g_Amber_fix_enabled = enabled; EnableCheats(Cheat::Mana); }
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::CameraDistance) g_CameraMultiplier = value;
if (setting == GameSetting::CameraHeight) g_CameraHeight = value;
if (setting == GameSetting::CameraLateral) g_CameraLateral = value;
if (setting == GameSetting::HUD) {
g_HUDLeft = value / 100;
g_HUDRight = 1 - (value / 100);
g_HUDOffsets = ((int)value * screenWidth) / 100;
}
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->CompensatedFOV = g_CompensatedFOV;
infos->Health = g_PlayerHealth;
infos->Mana = g_PlayerAmber;
infos->screenWidth = screenWidth;
infos->screenHeight = screenHeight;
infos->aspectRatio = (float)screenWidth / screenHeight;
infos->consoleEnabled = g_Console_Enabled;
}
// -- Code injection functions --
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);
}
});
}
}
static void FOVFixEnabled() {
if (!FOVaddress) return;
if (!FOVHook) { // Hook only once
FOVHook = safetyhook::create_mid(FOVaddress,
[](SafetyHookContext& ctx) {
g_FOV_In = ctx.xmm0.f32[0];
ctx.xmm0.f32[0] = Maths::CompensateHorizontalFOV(g_FOV_In, g_BaseAspectRatio, g_AspectRatio);
g_CompensatedFOV = ctx.xmm0.f32[0];
if (g_fix_enabled && g_fov_fix_enabled)
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 CameraDistanceFixEnabled() {
if (!CameraDistanceaddress) return;
if (g_fix_enabled && g_Camera_fix_enabled) {
if (!CameraDistanceHook) { // Hook only once
CameraDistanceHook = safetyhook::create_mid(CameraDistanceaddress + 0x21,
[](SafetyHookContext& ctx) {
g_CameraIn = -ctx.xmm2.f32[0];
ctx.xmm2.f32[0] *= g_CameraMultiplier; // Set camera back distance
g_CameraOut = -ctx.xmm2.f32[0];
ctx.xmm1.f32[0] += g_CameraLateral; // Set camera to lateral
});
}
else CameraDistanceHook.enable();
if (!CameraHeightHook) { // Hook only once
CameraHeightHook = safetyhook::create_mid(CameraDistanceaddress + 0x2F,
[](SafetyHookContext& ctx) {
ctx.xmm0.f32[0] += g_CameraHeight; // Set camera height
});
}
else CameraHeightHook.enable();
}
else {
if (CameraDistanceHook) CameraDistanceHook.disable();
if (CameraHeightHook) CameraHeightHook.disable();
}
logger->info("Camera distance fix {}", g_fix_enabled && g_Camera_fix_enabled ? "enabled" : "disabled");
}
static const std::string HUDClassName = "AIHUD_C";
static const std::string HUDInteractionClassName = "HUDInteraction_C";
static void HUDFixEnabled() {
if (!HUD1address || !HUD2address) return;
if (g_fix_enabled && g_HUD_fix_enabled) {
if (!HUD1Hook) { // Hook only once
// Used to reposition health and Amber bar from UStyx2HUDProgressBarSheet -> Material
// From the material pointer we can check who has access to this object using Cheat Engine
HUD1Hook = safetyhook::create_mid(HUD1address, // Used to reposition health and Amber bar from UStyx2HUDProgressBarSheet -> Material
[](SafetyHookContext& ctx) {
ctx.xmm10.f32[0] -= (float)g_HUDOffsets;
});
}
else HUD1Hook.enable();
if (!HUD2Hook) { // Hook only once
// Used to force reposition of UI & main HUD
// This low level asm function has its rcx register as a pointer to the widget being drawn, allowing to filter them properly
HUD2Hook = safetyhook::create_mid(HUD2address + 0x18, // Used to force reposition of UI & main HUD
[](SafetyHookContext& ctx) {
UObject* object = (UObject*)ctx.rcx;
if (!object || !object->Class || !object->Class->SuperStruct) return;
auto className = object->Class->GetName(); // Only using GetName here instead of IsA to avoid CTD
bool isHUDInteraction = className.contains(HUDInteractionClassName);
if (className.contains(HUDClassName)) return; // We don't want AI HUD to be redrawn
ctx.xmm0.f32[0] = isHUDInteraction ? 0.5f : g_HUDLeft; // Fix interaction buttons shifted by re centering it
ctx.xmm0.f32[1] = 0.f;
ctx.xmm0.f32[2] = g_HUDRight;
ctx.xmm0.f32[3] = 1.0f;
});
}
else HUD2Hook.enable();
}
else {
if (HUD1Hook) HUD1Hook.disable();
if (HUD2Hook) HUD2Hook.disable();
}
}
static void DOFFixEnabled() {
if (!DOFaddress) return;
if (g_fix_enabled && g_DOF_fix_enabled) {
if (!DOFHook) { // Hook only once
DOFHook = safetyhook::create_mid(DOFaddress,
[](SafetyHookContext& ctx) {
if (!ctx.rax) return;
*reinterpret_cast<uint8_t*>(ctx.rax + 0x4) = g_fix_enabled && g_DOF_fix_enabled ? 0 : 1; // r.DepthOfFieldQuality = 0
});
}
}
logger->info("Depth of field fix {}", g_fix_enabled && g_DOF_fix_enabled ? "enabled" : "disabled");
}
static void FogFixEnabled() {
if (!Fogaddress) return;
if (!FogHook) { // Hook only once
FogHook = safetyhook::create_mid(Fogaddress,
[](SafetyHookContext& ctx) {
if (!ctx.rax) return;
*reinterpret_cast<uint8_t*>(ctx.rax + 0x4) = g_fix_enabled && g_Fog_fix_enabled ? 0 : 1; // r.Fog = 0
});
}
logger->info("Fog fix {}", g_fix_enabled && g_Fog_fix_enabled ? "enabled" : "disabled");
}
// -- Cheats --
static void EnableCheats(Cheat cheat) {
if (WorldTimedilationaddress && !WorldTimeDilationHook) {
WorldTimeDilationHook = safetyhook::create_mid(WorldTimedilationaddress,
[](SafetyHookContext& ctx) { // From AWorldSettings retrieved from world->K2_GetWorldSettings()
ctx.xmm0.f32[0] *= g_TimeDilation_fix_enabled ? g_WorldTimeDilationValue : 1.f;
});
}
// Enemies time dilation & more
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 (object->IsA(AStyx2PlayerCharacter::StaticClass())) {
auto* styx = static_cast<AStyx2PlayerCharacter*>(object);
if (styx && styx->Class) {
auto* controller = styx->Controller;
if (controller && controller->IsA(APlayerController::StaticClass())) {
g_PlayerHealth = styx->GetCurrentHealth();
g_PlayerAmber = styx->GetCurrentAmber();
if (g_GodMode_fix_enabled) styx->RestoreLifeOverTime(styx->GameplaySheet->MaxHealth - g_PlayerHealth, 1.f);
if (g_Amber_fix_enabled) styx->RestoreAmberOverTime(styx->GameplaySheet->MaxAmber - g_PlayerAmber, 1.f);
}
}
}
if (object->IsA(AStyx2AICharacter::StaticClass())) {
auto* enemy = static_cast<AStyx2AICharacter*>(object);
if (enemy && enemy->Class) {
ctx.xmm1.f32[0] *= g_TimeDilation_fix_enabled ? g_AITimeDilationValue : 1.f; // Set enemy time dilation
AStyx2AIController* AIController = enemy->GetStyx2AIController();
if (AIController && AIController->Class && AIController->CognitionComponent && AIController->CognitionComponent->DetectionComponent) {
AIController->CognitionComponent->bVigilant = !g_Stealth_fix_enabled;
AIController->CognitionComponent->bLastVigilant = !g_Stealth_fix_enabled;
AIController->CognitionComponent->bPermaVigilant = !g_Stealth_fix_enabled;
if (g_Stealth_fix_enabled) { // Enemies will forget about their stimuli
AIController->CognitionComponent->DetectionComponent->ResetAllStimuli();
AIController->CognitionComponent->DetectionComponent->ResetStrangeStimuli();
}
}
}
}
});
}
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;
}