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Finalized Wuchang Faling Feathers core.

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This commit is contained in:
Emmanuel AYME
2025-08-08 10:46:57 +02:00
parent a6288aad4e
commit 55ff20ebeb
1 changed files with 102 additions and 302 deletions
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402
WuchangFF/dllmain.cpp
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@@ -1,133 +1,116 @@
// At this point code injection into the game results in crash.
// Do not use this plugin dll injection.
#include "Memory.hpp";
#include "Maths.hpp";
#include "ObfuscateString.h"
#include <string>
#include <spdlog/spdlog.h>
#include <spdlog/sinks/rotating_file_sink.h>
//#include <safetyhook.hpp>
#include <filesystem>
#include <vector>
#include <Windows.h>
#include <TlHelp32.h>
#include <MinHook.h>
// Constants
const std::string PLUGIN_NAME = "WuchangFF";
const std::string PLUGIN_LOG = PLUGIN_NAME + ".log";
const std::string gameExecutable = "Project_Plague-Win64-Shipping.exe";
const float baseAspect = 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_aspect_ratio_fix_enabled = false;
static bool g_aspect_ratio_axis_constrain_fix_enabled = false;
static bool g_DOF_fix_enabled = false;
static int g_AdditionalValue = 0;
// Shared values
static float g_FOV_In = 0;
static float g_Compensated_FOV = 0;
static float g_FOV_Out = 0;
static bool g_Vignetting_fix_enabled = false;
static bool g_Fog_fix_enabled = false;
// AOB Scan pointers
static uint8_t* FOVaddress = nullptr;
static uint8_t* Aspectaddress = nullptr;
static uint8_t* HORPLUSaddress = nullptr;
static uint8_t* DOFaddress = nullptr;
// Hooking
//static SafetyHookMid FOVHook{};
//static SafetyHookMid AspectRatioHook{};
static uint8_t* Vignettingaddress = nullptr;
static uint8_t* Fogaddress = nullptr;
// Prototypes
static void FOVFixEnabled(bool fix_enabled);
static void AspectRatioFixEnabled(bool fix_enabled);
static void HORPlusFixEnabled(bool fix_enabled);
static void DOFFixEnabled(bool fix_enabled);
bool IsReadableExecutable(void* addr)
{
MEMORY_BASIC_INFORMATION mbi;
if (VirtualQuery(addr, &mbi, sizeof(mbi)))
{
DWORD protect = mbi.Protect;
return (protect & PAGE_EXECUTE_READ) || (protect & PAGE_EXECUTE_READWRITE) || (protect & PAGE_EXECUTE_WRITECOPY);
}
return false;
}
static void VignettingFixEnabled(bool fix_enabled);
static void FogFixEnabled(bool fix_enabled);
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>("EB ?? F3 0F ?? ?? ?? ?? ?? ?? F3 0F ?? ?? ?? 0F ?? ?? 8B 83");
FOVaddress = Memory::aob_scan(gameExecutable, FOVStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
if (HORPLUSaddress == nullptr) {
constexpr auto HORPLUSStringObfuscated = make_obfuscated<0x4A>("41 0F ?? ?? ?? ?? ?? ?? 48 8D ?? ?? ?? ?? ?? 4C ?? ?? 4D ?? ?? E8");
HORPLUSaddress = Memory::aob_scan(gameExecutable, HORPLUSStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
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));
FOVaddress += 0xa; // Offset for the target opcode
}
}
if (Aspectaddress == nullptr) {
if (FOVaddress) {
Aspectaddress = FOVaddress + 0x0b;
logger->info("Aspect ratio signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(Aspectaddress));
}
if (!HORPLUSaddress)
logger->warn("HOR+ signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else
logger->info("HOR+ signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(HORPLUSaddress));
}
if (DOFaddress == nullptr) {
constexpr auto DOFStringObfuscated = make_obfuscated<0x4A>("8B ?? ?? 48 ?? ?? E8 ?? ?? ?? ?? 0F ?? ?? 48 6B ?? ?? 48 8D");
constexpr auto DOFStringObfuscated = make_obfuscated<0x4A>("48 ?? ?? 8B ?? ?? E8 ?? ?? ?? ?? 48 ?? ?? 48 6B ?? ?? 48 8D");
DOFaddress = Memory::aob_scan(gameExecutable, DOFStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
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 ratio signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(DOFaddress));
logger->info("DOF signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(DOFaddress));
DOFaddress += 0x3;
}
if (FOVaddress != nullptr && Aspectaddress != nullptr && DOFaddress != nullptr)
}
if (Vignettingaddress == nullptr) {
constexpr auto VignettingStringObfuscated = make_obfuscated<0x4A>("8B ?? 83 ?? ?? 7D ?? 89 B3 ?? ?? ?? ?? EB");
Vignettingaddress = Memory::aob_scan(gameExecutable, VignettingStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
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 (Fogaddress == nullptr) {
constexpr auto FogStringObfuscated = make_obfuscated<0x4A>("75 ?? B3 ?? EB ?? 32 ?? 48 8B ?? ?? ?? 48 ?? ?? 74 ?? E8 ?? ?? ?? ?? 0F ?? ?? 48 8B");
Fogaddress = Memory::aob_scan(gameExecutable, FogStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
if (!Fogaddress)
logger->warn("Fog signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
else {
logger->info("Fog signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(Fogaddress));
}
}
if (HORPLUSaddress && DOFaddress && Vignettingaddress && Fogaddress) {
logger->info("All AOB signatures found. Ready to patch...");
if (FOVaddress && Aspectaddress && DOFaddress) AOBScanDone = true;
AOBScanDone = true;
}
logger->info("--------------- AOB scan finished ---------------");
}
}
if (g_fix_enabled) {
if (FOVaddress) FOVFixEnabled(g_fov_fix_enabled || g_aspect_ratio_fix_enabled);
if (Aspectaddress) AspectRatioFixEnabled(g_aspect_ratio_fix_enabled);
if (HORPLUSaddress) HORPlusFixEnabled(g_aspect_ratio_axis_constrain_fix_enabled);
if (DOFaddress) DOFFixEnabled(g_DOF_fix_enabled);
if (Vignettingaddress) VignettingFixEnabled(g_Vignetting_fix_enabled);
if (Fogaddress) FogFixEnabled(g_Fog_fix_enabled);
}
else {
if (FOVaddress) FOVFixEnabled(false);
if (Aspectaddress) AspectRatioFixEnabled(false);
if (HORPLUSaddress) HORPlusFixEnabled(false);
if (DOFaddress) DOFFixEnabled(false);
if (Vignettingaddress) VignettingFixEnabled(false);
if (Fogaddress) FogFixEnabled(false);
logger->info("All fixes disabled.");
}
}
// Setters for Reshade addon call
extern "C" __declspec(dllexport) void SetFOVFixEnabled(bool enabled, bool init)
extern "C" __declspec(dllexport) void SetARAxisConstrainFixEnabled(bool enabled, bool init)
{
g_fov_fix_enabled = enabled;
if (!init) FOVFixEnabled(g_fov_fix_enabled || g_aspect_ratio_fix_enabled); // FOV fix must be enabled when aspect ratio is too to compensate FOV
}
extern "C" __declspec(dllexport) void SetAspectRatioFixEnabled(bool enabled, bool init)
{
g_aspect_ratio_fix_enabled = enabled;
if (!init) AspectRatioFixEnabled(g_aspect_ratio_fix_enabled);
g_aspect_ratio_axis_constrain_fix_enabled = enabled;
if (!init) HORPlusFixEnabled(g_aspect_ratio_axis_constrain_fix_enabled);
}
extern "C" __declspec(dllexport) void SetDOFFixEnabled(bool enabled, bool init)
@@ -136,241 +119,62 @@ extern "C" __declspec(dllexport) void SetDOFFixEnabled(bool enabled, bool init)
if (!init) DOFFixEnabled(g_DOF_fix_enabled);
}
extern "C" __declspec(dllexport) void SetFOV(int fov)
extern "C" __declspec(dllexport) void SetVignettingFixEnabled(bool enabled, bool init)
{
g_AdditionalValue = fov;
g_Vignetting_fix_enabled = enabled;
if (!init) VignettingFixEnabled(g_Vignetting_fix_enabled);
}
// Getters for Reshade addon call
extern "C" __declspec(dllexport) float GetFOVIn() {
return g_FOV_In;
extern "C" __declspec(dllexport) void SetFogFixEnabled(bool enabled, bool init)
{
g_Fog_fix_enabled = enabled;
if (!init) FogFixEnabled(g_Fog_fix_enabled);
}
extern "C" __declspec(dllexport) float GetCompensatedFOV() {
return g_Compensated_FOV;
}
extern "C" __declspec(dllexport) float GetFOVOut() {
return g_FOV_Out;
}
DWORD GetCurrentThreadIdSafe() {
return GetCurrentThreadId();
}
DWORD GetMainThreadId(DWORD processId) {
DWORD mainThreadId = 0;
FILETIME earliestCreateTime = { MAXDWORD, MAXDWORD };
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
if (snapshot == INVALID_HANDLE_VALUE) return 0;
THREADENTRY32 te;
te.dwSize = sizeof(te);
if (Thread32First(snapshot, &te)) {
do {
if (te.th32OwnerProcessID == processId) {
HANDLE hThread = OpenThread(THREAD_QUERY_INFORMATION, FALSE, te.th32ThreadID);
if (hThread) {
FILETIME createTime, exitTime, kernelTime, userTime;
if (GetThreadTimes(hThread, &createTime, &exitTime, &kernelTime, &userTime)) {
if (CompareFileTime(&createTime, &earliestCreateTime) < 0) {
earliestCreateTime = createTime;
mainThreadId = te.th32ThreadID;
// Memory patch fixes
static void HORPlusFixEnabled(bool fix_enabled) {
if (g_fix_enabled && fix_enabled && HORPLUSaddress) {
Memory::PatchBytes(HORPLUSaddress, "\x31\xD2\x90\x90\x90\x90\x90\x90", 8); // xor edx,edx AspectRatioAxisConstraint=AspectRatio_MaintainYFOV
logger->info("HOR+ fix enabled");
}
if (!fix_enabled && HORPLUSaddress) {
Memory::RestoreBytes(HORPLUSaddress);
logger->info("HOR+ fix disabled");
}
CloseHandle(hThread);
}
}
} while (Thread32Next(snapshot, &te));
}
CloseHandle(snapshot);
return mainThreadId;
}
void FreezeOtherThreads() {
DWORD currentThreadId = GetCurrentThreadId();
DWORD currentProcessId = GetCurrentProcessId();
DWORD mainThreadId = GetMainThreadId(currentProcessId);
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
if (snapshot == INVALID_HANDLE_VALUE) return;
THREADENTRY32 te;
te.dwSize = sizeof(te);
if (Thread32First(snapshot, &te)) {
do {
if (te.th32OwnerProcessID == currentProcessId &&
te.th32ThreadID != currentThreadId &&
te.th32ThreadID != mainThreadId) {
HANDLE hThread = OpenThread(THREAD_SUSPEND_RESUME, FALSE, te.th32ThreadID);
if (hThread) {
SuspendThread(hThread);
CloseHandle(hThread);
}
}
} while (Thread32Next(snapshot, &te));
}
CloseHandle(snapshot);
}
void ResumeThreads() {
DWORD currentThreadId = GetCurrentThreadId();
DWORD currentProcessId = GetCurrentProcessId();
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
if (snapshot == INVALID_HANDLE_VALUE) return;
THREADENTRY32 te;
te.dwSize = sizeof(te);
if (Thread32First(snapshot, &te)) {
do {
if (te.th32OwnerProcessID == currentProcessId && te.th32ThreadID != currentThreadId) {
HANDLE hThread = OpenThread(THREAD_SUSPEND_RESUME, FALSE, te.th32ThreadID);
if (hThread) {
ResumeThread(hThread);
CloseHandle(hThread);
}
}
} while (Thread32Next(snapshot, &te));
}
CloseHandle(snapshot);
}
void* g_Trampoline = nullptr;
void* AllocateNear(void* nearAddr, size_t size) {
SYSTEM_INFO sysInfo;
GetSystemInfo(&sysInfo);
uintptr_t startAddr = reinterpret_cast<uintptr_t>(nearAddr);
uintptr_t minAddr = (startAddr > 0x7FFFFFFF) ? startAddr - 0x7FFFFFFF : 0; // -2Go
uintptr_t maxAddr = startAddr + 0x7FFFFFFF; // +2Go
uintptr_t addr = minAddr;
while (addr < maxAddr) {
void* alloc = VirtualAlloc(reinterpret_cast<void*>(addr), size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (alloc != nullptr) {
logger->info("Allocated memory at 0x{:X} near 0x{:X}", reinterpret_cast<uintptr_t>(alloc), reinterpret_cast<uintptr_t>(nearAddr));
return alloc;
}
addr += sysInfo.dwPageSize;
}
logger->info("Failed to allocate memory near 0x{:X}", reinterpret_cast<uintptr_t>(nearAddr));
return nullptr;
}
void* CreateTrampoline(void* target_addr, size_t length = 5) {
if (length < 5) length = 5; // minimum 5 octets pour jump
// Allouer mémoire proche
//void* trampoline = AllocateNear(target_addr, length + 5); // +5 octets pour jump retour
void* trampoline = AllocateNear(target_addr, length + 5); // +5 octets pour jump retour
if (!trampoline) {
logger->info("Failed to allocate trampoline memory");
return nullptr;
}
// Copier les octets originaux
memcpy(trampoline, target_addr, length);
// Calculer l'adresse de retour (target_addr + length)
uintptr_t retAddr = reinterpret_cast<uintptr_t>(target_addr) + length;
uintptr_t jmpFrom = reinterpret_cast<uintptr_t>(trampoline) + length;
// Ecrire un jump relatif 5 octets à la fin du trampoline pour revenir au code original
int32_t relAddr = static_cast<int32_t>(retAddr - (jmpFrom + 5)); // rel = dest - (src+5)
uint8_t* p = reinterpret_cast<uint8_t*>(jmpFrom);
p[0] = 0xE9; // opcode JMP rel32
memcpy(p + 1, &relAddr, sizeof(relAddr));
logger->info("Trampoline created at 0x{:X}, jump back to 0x{:X}", reinterpret_cast<uintptr_t>(trampoline), retAddr);
return trampoline;
}
//void HookFunction(void* target, void* destination, size_t length = 5) {
// DWORD oldProtect;
// VirtualProtect(target, length, PAGE_EXECUTE_READWRITE, &oldProtect);
//
// uintptr_t rel_addr = (uintptr_t)destination - (uintptr_t)target - 5;
// uint8_t patch[5] = { 0xE9 }; // jmp rel32
// *reinterpret_cast<int32_t*>(patch + 1) = static_cast<int32_t>(rel_addr);
//
// logger->info("Patching FOVaddress (0x{:X}) to jump to trampoline (0x{:X})", reinterpret_cast<uintptr_t>(target), reinterpret_cast<uintptr_t>(destination));
// memcpy(target, patch, 5);
// VirtualProtect(target, length, oldProtect, &oldProtect);
//}
using FOVFuncType = void(__fastcall*)();
FOVFuncType originalFOV = nullptr;
static void FOVFixEnabled(bool fix_enabled) {
if (g_fix_enabled && fix_enabled && FOVaddress != nullptr) {
//if (g_Trampoline)
// HookFunction(FOVaddress, g_Trampoline, 5);
//if (!FOVHook) { // Hook only once
//if (IsReadableExecutable(FOVaddress)) {
//FOVHook = safetyhook::create_mid(FOVaddress,
// [](SafetyHookContext& ctx) {
// //g_FOV_In = ctx.xmm0.f32[0];
// //if (g_aspect_ratio_fix_enabled)
// // g_Compensated_FOV = ctx.xmm0.f32[0] = Maths::CompensateHorizontalFOV(g_FOV_In, baseAspect, aspectRatio);
// //else
// // g_Compensated_FOV = ctx.xmm0.f32[0];
// //g_FOV_Out = ctx.xmm0.f32[0] += (g_fov_fix_enabled ? g_AdditionalValue : 0);
// });
//}
//}
//else FOVHook.enable();
logger->info("FOV fix enabled");
}
//if (!fix_enabled /* && FOVHook * / ) {
if (!fix_enabled) {
//FOVHook.disable();
logger->info("FOV fix disabled");
}
}
static void AspectRatioFixEnabled(bool fix_enabled) {
//if (g_fix_enabled && fix_enabled && Aspectaddress != nullptr) {
// if (!AspectRatioHook) {
// AspectRatioHook = safetyhook::create_mid(Aspectaddress,
// [](SafetyHookContext& ctx) {
// ctx.rax = *reinterpret_cast<uint32_t*>(&aspectRatio);
// });
// }
// else {
// AspectRatioHook.enable();
// FOVFixEnabled(fix_enabled); // Usefull to compensate
// }
// logger->info("Aspect ratio fix enabled");
//}
//if (!fix_enabled && AspectRatioHook && Aspectaddress) {
// AspectRatioHook.disable();
// logger->info("Aspect ratio fix disabled");
//}
}
static void DOFFixEnabled(bool fix_enabled) {
//if (g_fix_enabled && fix_enabled && DOFaddress != nullptr) {
// Memory::PatchBytes(DOFaddress, "\x31\xFF\x90", 3); // xor edi,edi r.DepthOfFieldQuality = 0
// logger->info("Depth of field fix enabled");
//}
//if (!fix_enabled && DOFaddress) {
// Memory::RestoreBytes(DOFaddress);
// logger->info("Depth of field fix disabled");
//}
if (g_fix_enabled && fix_enabled && DOFaddress) {
Memory::PatchBytes(DOFaddress, "\x31\xFF\x90", 3); // xor edi,edi r.DepthOfFieldQuality = 0
logger->info("Depth of field fix enabled");
}
if (!fix_enabled && DOFaddress) {
Memory::RestoreBytes(DOFaddress);
logger->info("Depth of field fix disabled");
}
}
static void VignettingFixEnabled(bool fix_enabled) {
if (g_fix_enabled && fix_enabled && Vignettingaddress) {
Memory::PatchBytes(Vignettingaddress, "\x31\xC9", 2); // xor ecx,ecx r.Tonemapper.Quality=0
logger->info("Vignetting fix enabled");
}
if (!fix_enabled && Vignettingaddress) {
Memory::RestoreBytes(Vignettingaddress);
logger->info("Vignetting fix disabled");
}
}
static void FogFixEnabled(bool fix_enabled) {
if (g_fix_enabled && fix_enabled && Fogaddress) {
Memory::PatchBytes(Fogaddress, "\xEB", 1); // jmp "Project_Plague-Win64-Shipping.exe"+28E280E
logger->info("Fog fix enabled");
}
if (!fix_enabled && Fogaddress) {
Memory::RestoreBytes(Fogaddress);
logger->info("Fog fix disabled");
}
}
static void InitializeLogger()
{
@@ -396,10 +200,6 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID)
{
InitializeLogger();
logger->info("Plugin {} loaded.", PLUGIN_NAME);
if (MH_Initialize() != MH_OK) {
logger->info("MinHook initialization failed!");
return FALSE;
}
}
else if (reason == DLL_PROCESS_DETACH)
{