UltraWideFixer/ReshadePluginsCore
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ReshadePluginsCore/LittleNightmareIII/dllmain.cpp

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#include <string>
#include <spdlog/spdlog.h>
#include <spdlog/sinks/rotating_file_sink.h>
#include <filesystem>
#include <safetyhook.hpp>
#include "GameInformations.h"
#include "ObfuscateString.h"
#include "Memory.hpp";
#include "Maths.hpp";
#include "UEngine.hpp";
#include "SDK/Basic.hpp"
#include "SDK/Engine_classes.hpp"
using namespace SDK;
// Constants
const std::string PLUGIN_NAME = "LittleNightmareIII";
const std::string PLUGIN_LOG = PLUGIN_NAME + ".log";
const std::string gameExecutable = "LittleNightmaresIII.exe";
// Logger
std::shared_ptr<spdlog::logger> logger;
// Plugin states
static bool AOBScanDone = false;
static bool g_fix_enabled = false;
static bool g_fov_fix_enabled = false;
static bool g_ultrawide_fix_enabled = false;
static bool g_DOF_fix_enabled = false;
static bool g_CA_fix_enabled = false;
static bool g_Vignetting_fix_enabled = false;
static int g_AdditionalFOVValue = 0;
// Shared values
static float g_FOV_In = 60.f;
static float g_FOV_Out = 60.f;
static bool g_Console_Enabled = false;
// AOB Unreal Engine offsets addresses
static uint8_t* GObjectsaddress = nullptr;
static uint8_t* GNamesaddress = nullptr;
static uint8_t* AppendStringaddress = nullptr;
static uint8_t* ProcessEventaddress = nullptr;
// 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* CameraComponentaddress = nullptr;
static uint8_t* ConstrainAspectRatioaddress = nullptr;
static uint8_t* AspectRatioAxisConstraintaddress = nullptr;
// Hooking
static SafetyHookMid FOVHook{};
// Prototypes
static void FOVFixEnabled();
static void UltraWideFixEnabled();
static void DOFFixEnabled();
static void CAFixEnabled();
static void VignettingFixEnabled();
static void EnableConsole();
extern "C" __declspec(dllexport) void SetFixEnabled(bool enabled)
{
g_fix_enabled = enabled;
if (g_fix_enabled && !AOBScanDone) {
logger->info("--------------- AOB scan started ---------------");
if (CameraComponentaddress == nullptr) {
constexpr auto FOVStringObfuscated = make_obfuscated<0x4A>("EB ?? F3 0F ?? ?? ?? ?? ?? ?? F3 0F ?? ?? ?? 8B 87");
CameraComponentaddress = Memory::AOBScan(gameExecutable, FOVStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
if (!CameraComponentaddress)
logger->warn("Camera component signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
logger->info("Camera component found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(CameraComponentaddress));
FOVaddress = CameraComponentaddress +0xa;
ConstrainAspectRatioaddress = CameraComponentaddress +0x18;
}
}
if (!AspectRatioAxisConstraintaddress) {
constexpr auto AspectRatioAxisConstraintStringObfuscated = make_obfuscated<0x4A>("41 0F ?? ?? ?? ?? ?? ?? 48 8D ?? ?? ?? ?? ?? 4C ?? ?? 4D ?? ?? E8");
AspectRatioAxisConstraintaddress = Memory::AOBScan(gameExecutable, AspectRatioAxisConstraintStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
if (!AspectRatioAxisConstraintaddress)
logger->warn("HOR+ signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else
logger->info("HOR+ found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(AspectRatioAxisConstraintaddress));
}
if (!DOFaddress) {
constexpr auto DOFStringObfuscated = make_obfuscated<0x4A>("44 8B ?? ?? 48 8D ?? ?? ?? ?? ?? 8B ?? ?? E8 ?? ?? ?? ?? 84");
DOFaddress = Memory::AOBScan(gameExecutable, DOFStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//LittleNightmaresIII.exe + 2461608 - 48 8B 05 A9 6D 11 04 - mov rax, [LittleNightmaresIII.exe + 65783B8]
//LittleNightmaresIII.exe + 246160F - 48 63 8F 28 16 00 00 - movsxd rcx, dword ptr[rdi + 00001628]
//LittleNightmaresIII.exe + 2461616 - 44 8B 48 04 - mov r9d, [rax + 04]
//LittleNightmaresIII.exe + 246161A - 48 8D 05 47 93 D4 03 - lea rax, [LittleNightmaresIII.exe + 61AA968]
//LittleNightmaresIII.exe + 2461621 - 8B 0C 88 - mov ecx, [rax + rcx * 4]
if (!DOFaddress)
logger->warn("DOF signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else
logger->info("DOF signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(DOFaddress));
}
if (!CAaddress) {
constexpr auto CAStringObfuscated = make_obfuscated<0x4A>("7F ?? 89 BB ?? ?? ?? ?? 8B ?? ?? 39 05 ?? ?? ?? ?? 7E");
CAaddress = Memory::AOBScan(gameExecutable, CAStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
if (!CAaddress)
logger->warn("Chromatic aberrations signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else
logger->info("Chromatic aberrations signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(CAaddress));
}
if (!Vignettingaddress) {
constexpr auto CAStringObfuscated = make_obfuscated<0x4A>("8B ?? 83 ?? ?? 7D ?? 89 BB ?? ?? ?? ?? 89 BB");
Vignettingaddress = Memory::AOBScan(gameExecutable, CAStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//LittleNightmaresIII.exe + 39E9201 - 89 BB 8C 10 00 00 - mov[rbx + 0000108C], edi
//LittleNightmaresIII.exe + 39E9207 - 48 8B 05 2A 6C A4 02 - mov rax, [LittleNightmaresIII.exe + 642FE38]
//LittleNightmaresIII.exe + 39E920E - 8B 08 - mov ecx, [rax]
//LittleNightmaresIII.exe + 39E9210 - 83 F9 01 - cmp ecx, 01
//LittleNightmaresIII.exe + 39E9213 - 7D 1A - jnl LittleNightmaresIII.exe + 39E922F
if (!Vignettingaddress)
logger->warn("Vignetting signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else
logger->info("Vignetting signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(Vignettingaddress));
}
if (CameraComponentaddress && FOVaddress && DOFaddress && CAaddress && Vignettingaddress
&& ConstrainAspectRatioaddress && AspectRatioAxisConstraintaddress) {
logger->info("All AOB signatures found. Ready to patch...");
AOBScanDone = true;
}
if (!GObjectsaddress || !GNamesaddress || !AppendStringaddress || !ProcessEventaddress) {
logger->info("------------ UEngine offsets search ------------");
constexpr auto GObjetcsStringObfuscated = make_obfuscated<0x4A>("48 8B ?? ?? ?? ?? ?? 48 8B ?? ?? 48 8D ?? ?? EB ?? 33");
GObjectsaddress = Memory::AOBScan(gameExecutable, GObjetcsStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
constexpr auto GNamesStringObfuscated = make_obfuscated<0x4A>("48 8D ?? ?? ?? ?? ?? EB ?? 48 8D ?? ?? ?? ?? ?? E8 ?? ?? ?? ?? C6 05 ?? ?? ?? ?? ?? 0F ?? ?? 4C");
GNamesaddress = Memory::AOBScan(gameExecutable, GNamesStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
constexpr auto ProcessEventStringObfuscated = make_obfuscated<0x4A>("40 ?? 56 57 41 ?? 41 ?? 41 ?? 41 ?? 48 81 ?? ?? ?? ?? ?? 48 8D ?? ?? ?? 48 89 ?? ?? ?? ?? ?? 48 8B ?? ?? ?? ?? ?? 48 33 ?? 48 89 ?? ?? ?? ?? ?? 8B 41");
ProcessEventaddress = Memory::AOBScan(gameExecutable, ProcessEventStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
if (!GObjectsaddress)
logger->warn("GObjects signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
uint32_t gObjectsOffset = static_cast<uint32_t>(Memory::GetOffsetFromOpcode(GObjectsaddress + 0x3) -
reinterpret_cast<uint8_t*>(GetModuleHandleA(gameExecutable.c_str())));
logger->info("GObjects offset is: 0x{:X}.", gObjectsOffset);
Offsets::GObjects = static_cast<UC::uint32>(gObjectsOffset); // Update GObjects offset
}
if (!GNamesaddress)
logger->warn("GNames signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
uint32_t gNamesOffset = static_cast<uint32_t>(Memory::GetOffsetFromOpcode(GNamesaddress + 0x3) -
reinterpret_cast<uint8_t*>(GetModuleHandleA(gameExecutable.c_str())));
logger->info("GNames offset is: 0x{:X}.", gNamesOffset);
Offsets::GNames = static_cast<UC::uint32>(gNamesOffset); // Update GNames offset
}
if (!ProcessEventaddress)
logger->warn("Process Event signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
std::optional<uint32_t> gProcessEventOffsetOpt = UE::CalculateOffset(gameExecutable, ProcessEventaddress);
uint32_t gProcessEventOffset = *gProcessEventOffsetOpt;
logger->info("Process Event offset is: 0x{:X}.", gProcessEventOffset);
Offsets::ProcessEvent = static_cast<UC::uint32>(gProcessEventOffset);// Update ProcessEvent offset
}
}
logger->info("-------------- Fixes initialisation -------------");
}
if (FOVaddress) FOVFixEnabled();
if (DOFaddress) DOFFixEnabled();
if (CAaddress) CAFixEnabled();
if (Vignettingaddress) VignettingFixEnabled();
if (AspectRatioAxisConstraintaddress && ConstrainAspectRatioaddress) UltraWideFixEnabled();
if (!g_Console_Enabled && GObjectsaddress && GNamesaddress && ProcessEventaddress)
EnableConsole();
}
// Setters for Reshade addon call
extern "C" __declspec(dllexport) void SetFOVFixEnabled(bool enabled, bool init)
{
g_fov_fix_enabled = enabled;
if (!init) FOVFixEnabled();
}
extern "C" __declspec(dllexport) void SetUltraWideFixEnabled(bool enabled, bool init)
{
g_ultrawide_fix_enabled = enabled;
if (!init) UltraWideFixEnabled();
}
extern "C" __declspec(dllexport) void SetDOFFixEnabled(bool enabled, bool init)
{
g_DOF_fix_enabled = enabled;
if (!init) DOFFixEnabled();
}
extern "C" __declspec(dllexport) void SetCAFixEnabled(bool enabled, bool init)
{
g_CA_fix_enabled = enabled;
if (!init) CAFixEnabled();
}
extern "C" __declspec(dllexport) void SetVignettingFixEnabled(bool enabled, bool init)
{
g_Vignetting_fix_enabled = enabled;
if (!init) VignettingFixEnabled();
}
extern "C" __declspec(dllexport) void SetFOV(int fov)
{
g_AdditionalFOVValue = fov;
}
// 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->consoleEnabled = g_Console_Enabled;
}
// Code injection functions
static void FOVFixEnabled() {
if (g_fix_enabled && g_fov_fix_enabled && FOVaddress) {
if (!FOVHook) { // Hook only once
FOVHook = safetyhook::create_mid(FOVaddress,
[](SafetyHookContext& ctx) {
g_FOV_In = ctx.xmm0.f32[0];
ctx.xmm0.f32[0] += (g_fix_enabled && g_fov_fix_enabled ? g_AdditionalFOVValue : g_FOV_In);
g_FOV_Out = ctx.xmm0.f32[0];
});
}
else FOVHook.enable();
logger->info("FOV fix enabled");
}
if (!(g_fix_enabled && g_fov_fix_enabled) && FOVaddress) {
if (FOVHook) FOVHook.disable();
logger->info("FOV fix disabled");
}
}
// Memory patch fixes
static void UltraWideFixEnabled() {
if (g_fix_enabled && g_ultrawide_fix_enabled && AspectRatioAxisConstraintaddress && ConstrainAspectRatioaddress) {
Memory::PatchBytes(AspectRatioAxisConstraintaddress, "\x31\xD2\x90\x90\x90\x90\x90\x90", 8); // AspectRatio_MaintainYFOV = 0
Memory::PatchBytes(ConstrainAspectRatioaddress, "\x31\xC9\x90\x90\x90\x90\x90", 7); // bConstrainAspectRatio = 0
logger->info("Ultra wide fix enabled");
}
if (!(g_fix_enabled && g_ultrawide_fix_enabled) && AspectRatioAxisConstraintaddress && ConstrainAspectRatioaddress) {
Memory::RestoreBytes(AspectRatioAxisConstraintaddress);
Memory::RestoreBytes(ConstrainAspectRatioaddress);
logger->info("Ultra wide fix disabled");
}
}
static void DOFFixEnabled() {
if (g_fix_enabled && g_DOF_fix_enabled && DOFaddress) {
Memory::PatchBytes(DOFaddress, "\x45\x31\xC9\x90", 4); // xor r9d,r9d r.DepthOfFieldQuality = 0
logger->info("Depth of field fix enabled");
}
if (!(g_fix_enabled && g_DOF_fix_enabled) && DOFaddress) {
Memory::RestoreBytes(DOFaddress);
logger->info("Depth of field fix disabled");
}
}
static void CAFixEnabled() {
if (g_fix_enabled && g_CA_fix_enabled && CAaddress) {
Memory::PatchBytes(CAaddress, "\x90\x90", 2); // NOP x 2 r.SceneColorFringeQuality = 0
logger->info("Chromatics aberrations fix enabled");
}
if (!(g_fix_enabled && g_CA_fix_enabled) && CAaddress) {
Memory::RestoreBytes(CAaddress);
logger->info("Chromatics aberrations fix disabled");
}
}
static void VignettingFixEnabled() {
if (g_fix_enabled && g_Vignetting_fix_enabled && Vignettingaddress) {
Memory::PatchBytes(Vignettingaddress, "\x31\xC9", 2); // xor ecx,ecx r.Tonemapper.Quality=0
logger->info("Vignetting fix enabled");
}
if (!(g_fix_enabled && g_Vignetting_fix_enabled) && Vignettingaddress) {
Memory::RestoreBytes(Vignettingaddress);
logger->info("Vignetting fix disabled");
}
}
// UE Console creation
static void EnableConsole()
{
logger->info("-------------- Console re-enabling --------------");
if (!GObjectsaddress || !GNamesaddress || !ProcessEventaddress) {
logger->warn("Could not re-enable console");
logger->info("------------------ User inputs ------------------");
return;
}
std::thread([&]() {
auto start = std::chrono::high_resolution_clock::now(); // Measure the time to renable console
UEngine* Engine = nullptr;
for (int i = 0; i < 100; ++i) { // gives 10 seconds to find UE Engine
std::this_thread::sleep_for(std::chrono::milliseconds(100));
Engine = UEngine::GetEngine();
if (Engine && Engine->ConsoleClass && Engine->GameViewport)
break;
}
if (!Engine || !Engine->ConsoleClass || !Engine->GameViewport) {
logger->error("Console could not be found in engine.");
return;
}
logger->info("Console found in engine");
/* Creates a new UObject of class-type specified by Engine->ConsoleClass */
UObject* NewObject = UGameplayStatics::SpawnObject(Engine->ConsoleClass, Engine->GameViewport);
if (NewObject)
{
logger->info("Successfully spawned console object");
// Set the console viewport so that it will be displayed
Engine->GameViewport->ViewportConsole = static_cast<UConsole*>(NewObject);
auto end = std::chrono::high_resolution_clock::now();
std::chrono::duration<double> elapsed = end - start;
for (int i = 0; i < UInputSettings::GetDefaultObj()->ConsoleKeys.Num(); i++)
{
UInputSettings::GetDefaultObj()->ConsoleKeys[i].KeyName = UKismetStringLibrary::Conv_StringToName(L"F2");
}
logger->info("Console fully reactivated in {:.3f}s and bound to key F2", elapsed.count());
logger->info("------------------ User inputs ------------------");
g_Console_Enabled = true;
}
else {
logger->error("Could not spawn console object");
}
}).detach();
}
static void InitializeLogger()
{
try
{
std::filesystem::path log_path = std::filesystem::absolute(PLUGIN_LOG);
if (std::filesystem::exists(log_path))
std::filesystem::remove(log_path);
logger = std::make_shared<spdlog::logger>("Little Nightmare III", std::make_shared<spdlog::sinks::rotating_file_sink_st>(PLUGIN_LOG, 10 * 1024 * 1024, 1));
logger->set_level(spdlog::level::debug);
logger->flush_on(spdlog::level::debug); // Flush automatically
}
catch (const spdlog::spdlog_ex& ex)
{
std::string plugin_error_message = "Could not open " + PLUGIN_LOG;
MessageBoxA(nullptr, plugin_error_message.c_str(), "Logger Error", MB_ICONERROR | MB_OK);
}
}
// Standard dll entry
BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID)
{
if (reason == DLL_PROCESS_ATTACH)
{
InitializeLogger();
logger->info("Plugin {} loaded.", PLUGIN_NAME);
}
else if (reason == DLL_PROCESS_DETACH)
{
logger->info("Plugin {} unloaded.", PLUGIN_NAME);
spdlog::drop_all();
}
return TRUE;
}
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