Files
ReshadePluginsCore/SilentHillF/dllmain.cpp
2025-09-28 10:04:47 +02:00

469 lines
21 KiB
C++

#include <string>
#include <spdlog/spdlog.h>
#include <spdlog/sinks/rotating_file_sink.h>
#include <filesystem>
#include <safetyhook.hpp>
#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 = "SilentHillf";
const std::string PLUGIN_LOG = PLUGIN_NAME + ".log";
const std::string gameExecutable = "SHf-Win64-Shipping.exe";
const float BASE_ASPECT = 1.777777791;
// Logger
std::shared_ptr<spdlog::logger> logger;
// Screen informations
static int screenWidth = GetSystemMetrics(SM_CXSCREEN);
static int screenHeight = GetSystemMetrics(SM_CYSCREEN);
static float aspectRatio = (float)screenWidth / screenHeight;
// Plugin states
static bool AOBScanDone = false;
static bool g_fix_enabled = false;
static bool g_fov_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 bool g_Fog_fix_enabled = false;
static bool g_Camera_fix_enabled = false;
static int g_AdditionalFOVValue = 0;
static float g_CameraDistance = 1.f;
// Shared values
static float g_reference_FOV = 65.f;
static float g_FOV_In = 0.f;
static float g_FOV_Out = 0.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* VolumetricFogaddress = nullptr;
static uint8_t* Cameraaddress = nullptr;
// Hooking
static SafetyHookMid FOVHook{};
static SafetyHookMid VolumetricFogHook{};
static SafetyHookMid HUDHook{};
static SafetyHookMid CameraHook{};
// Prototypes
static void FOVFixEnabled();
static void DOFFixEnabled();
static void CAFixEnabled();
static void VignettingFixEnabled();
static void FogFixEnabled();
static void CameraFixEnabled();
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 (FOVaddress == nullptr) {
constexpr auto FOVStringObfuscated = make_obfuscated<0x4A>("F3 0F ?? ?? 0F 28 ?? ?? ?? F3 0F ?? ?? ?? F3 0F 11 ?? ?? ?? ?? ?? ?? 45");
FOVaddress = Memory::AOBScan(gameExecutable, FOVStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//"SHf-Win64-Shipping.exe" + 48917E2 - 48 8B AC 24 A8 00 00 00 - mov rbp, [rsp + 000000A8]
//"SHf-Win64-Shipping.exe" + 48917EA - F3 0F 58 B7 98 02 00 00 - addss xmm6, [rdi + 00000298]
//"SHf-Win64-Shipping.exe" + 48917F2 - F3 0F 58 F7 - addss xmm6, xmm7
//"SHf-Win64-Shipping.exe" + 48917F6 - 0F 28 7C 24 60 - movaps xmm7, [rsp + 60]
//"SHf-Win64-Shipping.exe" + 48917FB - F3 0F 58 76 30 - addss xmm6, [rsi + 30]
if (!FOVaddress)
logger->warn("FOV signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
logger->info("FOV signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(FOVaddress));
}
}
if (DOFaddress == nullptr) {
constexpr auto DOFStringObfuscated = make_obfuscated<0x4A>("8B ?? ?? 48 ?? ?? E8 ?? ?? ?? ?? 0F ?? ?? 48 6B ?? ?? 48 8D");
DOFaddress = Memory::AOBScan(gameExecutable, DOFStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//"SHf-Win64-Shipping.exe" + 2556DB2 - 75 05 - jne "SHf-Win64-Shipping.exe" + 2556DB9
//"SHf-Win64-Shipping.exe" + 2556DB4 - BF 04 00 00 00 - mov edi, SilentHillfUI._Init_thread_epoch
//"SHf-Win64-Shipping.exe" + 2556DB9 - 8B 3C 37 - mov edi, [rdi + rsi]
//"SHf-Win64-Shipping.exe" + 2556DBC - 48 8B CB - mov rcx, rbx
//"SHf-Win64-Shipping.exe" + 2556DBF - E8 6C A2 67 01 - call "SHf-Win64-Shipping.exe" + 3BD1030
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 == nullptr) {
constexpr auto CAStringObfuscated = make_obfuscated<0x4A>("7F ?? 44 89 ?? ?? ?? ?? ?? 43 ?? ?? ?? 39 05");
CAaddress = Memory::AOBScan(gameExecutable, CAStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//"SHf-Win64-Shipping.exe" + 3BCD042 - 48 8B 05 87 CE 74 05 - mov rax, ["SHf-Win64-Shipping.exe" + 9319ED0]
//"SHf-Win64-Shipping.exe" + 3BCD049 - 44 39 38 - cmp[rax], r15d
//"SHf-Win64-Shipping.exe" + 3BCD04C - 7F 07 - jg "SHf-Win64-Shipping.exe" + 3BCD055
//"SHf-Win64-Shipping.exe" + 3BCD04E - 44 89 BB 2C 1F 00 00 - mov[rbx + 00001F2C], r15d
//"SHf-Win64-Shipping.exe" + 3BCD055 - 43 8B 04 26 - mov eax, [r14 + r12]
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 == nullptr) {
constexpr auto VignettingStringObfuscated = make_obfuscated<0x4A>("8B ?? 83 ?? ?? 7D ?? 44 89");
Vignettingaddress = Memory::AOBScan(gameExecutable, VignettingStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//"SHf-Win64-Shipping.exe" + 3BCD0D6 - 44 89 BB 34 1F 00 00 - mov[rbx + 00001F34], r15d
//"SHf-Win64-Shipping.exe" + 3BCD0DD - 48 8B 05 64 BB 74 05 - mov rax, ["SHf-Win64-Shipping.exe" + 9318C48]
//"SHf-Win64-Shipping.exe" + 3BCD0E4 - 8B 08 - mov ecx, [rax]
//"SHf-Win64-Shipping.exe" + 3BCD0E6 - 83 F9 02 - cmp ecx, 02
//"SHf-Win64-Shipping.exe" + 3BCD0E9 - 7D 09 - jnl "SHf-Win64-Shipping.exe" + 3BCD0F4
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));
Vignettingaddress += 0x5;
}
}
if (VolumetricFogaddress == nullptr) {
constexpr auto FogStringObfuscated = make_obfuscated<0x4A>("0F 84 ?? ?? ?? ?? F6 ?? ?? ?? 0F 84 ?? ?? ?? ?? 83 BF");
VolumetricFogaddress = Memory::AOBScan(gameExecutable, FogStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//"SHf-Win64-Shipping.exe" + 2174B8A - E8 51 73 F0 FE - call "SHf-Win64-Shipping.exe" + 107BEE0
//"SHf-Win64-Shipping.exe" + 2174B8F - 0F B6 C3 - movzx eax, bl
//"SHf-Win64-Shipping.exe" + 2174B92 - 48 8B 4C 24 50 - mov rcx, [rsp + 50]
//"SHf-Win64-Shipping.exe" + 2174B97 - 48 33 CC - xor rcx, rsp
//"SHf-Win64-Shipping.exe" + 2174B9A - E8 91 78 C2 04 - call "SHf-Win64-Shipping.exe" + 6D9C430
if (!VolumetricFogaddress)
logger->warn("Volumetric fog signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
logger->info("Volumetric fog signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(VolumetricFogaddress));
}
}
if (Cameraaddress == nullptr) { // Low level function involved in displaying Widgets in real time
constexpr auto CameraStringObfuscated = make_obfuscated<0x4A>("41 0F ?? ?? 48 8D ?? ?? ?? 48 8D ?? ?? ?? ?? ?? F3 0F ?? ?? ?? ?? F3 0F");
Cameraaddress = Memory::AOBScan(gameExecutable, CameraStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
//"SHf-Win64-Shipping.exe" + 488F5F5 - F3 0F 11 86 CC 01 00 00 - movss[rsi + 000001CC], xmm0
//"SHf-Win64-Shipping.exe" + 488F5FD - 4D 8D 8E B4 00 00 00 - lea r9, [r14 + 000000B4]
//"SHf-Win64-Shipping.exe" + 488F604 - F3 0F 58 86 C0 01 00 00 - addss xmm0, [rsi + 000001C0]
//"SHf-Win64-Shipping.exe" + 488F60C - 41 0F 28 D0 - movaps xmm2, xmm8
//"SHf-Win64-Shipping.exe" + 488F610 - 48 8D 54 24 60 - lea rdx, [rsp + 60]
if (!Cameraaddress)
logger->warn("Camera signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
logger->info("Camera signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(Cameraaddress));
}
}
if (FOVaddress && DOFaddress && CAaddress && Vignettingaddress && VolumetricFogaddress) {
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 AppendStringStringObfuscated = make_obfuscated<0x4A>("48 89 ?? ?? ?? 48 89 ?? ?? ?? 57 48 83 ?? ?? 80 3D ?? ?? ?? ?? ?? 48 8B F2 8B ?? 48");
AppendStringaddress = Memory::AOBScan(gameExecutable, AppendStringStringObfuscated.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 ?? ?? ?? ?? ?? 4D ?? ?? 48");
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 (!AppendStringaddress)
logger->warn("AppendString signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
std::optional<uint32_t> gAppendStringOffsetOpt = UE::CalculateOffset(gameExecutable, AppendStringaddress); // Get Offset from opcode
uint32_t gAppendStringOffset = *gAppendStringOffsetOpt;
logger->info("AppendString offset is: 0x{:X}.", gAppendStringOffset);
Offsets::AppendString = static_cast<UC::uint32>(gAppendStringOffset); // Update AppendString 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 (Cameraaddress) CameraFixEnabled();
if (DOFaddress) DOFFixEnabled();
if (CAaddress) CAFixEnabled();
if (Vignettingaddress) VignettingFixEnabled();
if (VolumetricFogaddress) FogFixEnabled();
if (!g_Console_Enabled && GObjectsaddress && GNamesaddress && AppendStringaddress && 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 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 SetFogFixEnabled(bool enabled, bool init)
{
g_Fog_fix_enabled = enabled;
if (!init) FogFixEnabled();
}
extern "C" __declspec(dllexport) void SetCameraFixEnabled(bool enabled, bool init)
{
g_Camera_fix_enabled = enabled;
if (!init) CameraFixEnabled();
}
extern "C" __declspec(dllexport) void SetFOV(int fov)
{
g_AdditionalFOVValue = fov;
}
extern "C" __declspec(dllexport) void SetCameraDistance(float multiplier) {
g_CameraDistance = multiplier;
}
// Getters for Reshade addon call
extern "C" __declspec(dllexport) float GetFOVIn() {
return g_FOV_In;
}
extern "C" __declspec(dllexport) float GetFOVOut() {
return g_FOV_Out;
}
extern "C" __declspec(dllexport) bool GetConsoleEnabled() {
return 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.xmm6.f32[0];
ctx.xmm6.f32[0] += (g_fix_enabled && g_fov_fix_enabled ? g_AdditionalFOVValue : g_FOV_In);
g_FOV_Out = ctx.xmm6.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");
}
}
static void CameraFixEnabled() {
if (g_fix_enabled && g_Camera_fix_enabled && Cameraaddress) {
if (!CameraHook) {
CameraHook = safetyhook::create_mid(Cameraaddress,
[](SafetyHookContext& ctx) {
ctx.xmm0.f32[0] *= g_CameraDistance;
});
}
else CameraHook.enable();
logger->info("Camera fix enabled");
}
if (!(g_fix_enabled && g_Camera_fix_enabled) && Cameraaddress) {
if (CameraHook) CameraHook.disable();
logger->info("Camera fix disabled");
}
}
// Memory patch fixes
static void DOFFixEnabled() {
if (g_fix_enabled && g_DOF_fix_enabled && DOFaddress) {
Memory::PatchBytes(DOFaddress, "\x31\xFF\x90", 3); // xor edi,edi 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 jg "HellIsUs-Win64-Shipping.exe"+3D73BD5
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");
}
}
static void FogFixEnabled() {
if (g_fix_enabled && g_Fog_fix_enabled && VolumetricFogaddress) {
if (!VolumetricFogHook) {
VolumetricFogHook = safetyhook::create_mid(VolumetricFogaddress,
[](SafetyHookContext& ctx) {
ctx.rflags |= 0x40;
});
}
logger->info("Fog fix enabled");
}
}
// UE Console creation
static void EnableConsole()
{
logger->info("-------------- Console re-enabling --------------");
if (!GObjectsaddress || !AppendStringaddress || !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;
logger->info("Console fully reactivated in {:.3f}s and bound to key Tilde", 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>("Silent Hill f", 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;
}