Fixed a bug where the game would crash. Now Unreal Engine offsets are editable

Cronos The New Dawn/dllmain.cpp

@@ -7,11 +7,13 @@
 #include <chrono>
 #include "Memory.hpp";
 #include "Maths.hpp";
+#include "UEngine.hpp";
 #include "ObfuscateString.h"
-#include "SDK/CoreUObject_classes.hpp"
+//#include "SDK/CoreUObject_classes.hpp"
 #include "SDK/Engine_classes.hpp"
 //#include "SDK/Engine_structs.hpp"
 //#include "SDK/Cronos_classes.hpp"
+//#include "SDK/PlayerHudWidget_BP_classes.hpp"
 
 using namespace SDK;
 
@@ -56,12 +58,17 @@ static uint8_t* Vignettingaddress = nullptr;
 static uint8_t* Fogaddress = nullptr;
 static uint8_t* CameraDistanceaddress = nullptr;
 
+// AOB Unreal Engine offsets addresses
+static uint8_t* GObjectsaddress = nullptr;
+static uint8_t* AppendStringaddress = nullptr;
+static uint8_t* ProcessEventaddress = nullptr;
+
 // Hooking
 static SafetyHookMid FOVHook{};
 static SafetyHookMid AspectHook{};
 static SafetyHookMid FogHook{};
 static SafetyHookMid CameraDistanceHook{};
-//static SafetyHookMid PEHook{};
+static SafetyHookMid PEHook{};
 
 // Prototypes 
 static void FOVFixEnabled(bool fix_enabled);
@@ -71,7 +78,7 @@ static void VignettingFixEnabled(bool fix_enabled);
 static void FogFixEnabled(bool fix_enabled);
 static void CameraDistanceFixEnabled(bool fix_enabled);
 static void EnableConsole();
-//static void ProcessEvent();
+static void ProcessEvent();
 
 uint8_t* basePtr = reinterpret_cast<uint8_t*>(GetModuleHandleA(nullptr));
 
@@ -187,6 +194,45 @@ extern "C" __declspec(dllexport) void SetFixEnabled(bool enabled, bool init)
             AOBScanDone = true;
         }
 
+        // Unreal Engine Offsets updates (needed when the game reveives an update and to prevent the fix from crashing the game)
+        if (!GObjectsaddress || !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 AppendStringStringObfuscated = make_obfuscated<0x4A>("48 89 ?? ?? ?? 48 89 ?? ?? ?? 57 48 83 ?? ?? 80 3D ?? ?? ?? ?? ?? 48 8B F2 8B");
+            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 (!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 -------------");
     }
 
@@ -370,7 +416,6 @@ static void CameraDistanceFixEnabled(bool fix_enabled) {
         logger->info("Camera distance fix disabled");
     }
 }
-
 // Debuggin function intended to find specific class or object
 // UE Process Event signature to search for : 48 ?? ?? 48 89 ?? ?? ?? ?? ?? 4D ?? ?? 48 ?? ?? 4C ?? ?? 48 ?? ?? 0F 84
 //static void ProcessEvent() {
@@ -381,6 +426,7 @@ static void CameraDistanceFixEnabled(bool fix_enabled) {
 //        std::this_thread::sleep_for(std::chrono::milliseconds(100));
 //
 //    uintptr_t base_module = (uintptr_t)GetModuleHandle(NULL);
+//    static auto lastLogTime = std::chrono::steady_clock::now();
 //
 //    ProcessEventaddress = reinterpret_cast<uint8_t*>(base_module + static_cast<uintptr_t>(Offsets::ProcessEvent));
 //
@@ -390,7 +436,39 @@ static void CameraDistanceFixEnabled(bool fix_enabled) {
 //                UObject* object = (UObject*)ctx.rcx;
 //                UFunction* func = (UFunction*)ctx.rdx;
 //
-//                if (object && object->GetFullName().contains("SHPlayerCameraManagerPlay")) {
+//                if (object && object->GetFullName().contains("PlayerHudWidget_BP_C") && func->GetFullName().contains("Tick")) {
+//                    //logger->info("PlayerHudWidget trouve: {} = {}", object->GetFullName(), func->GetFullName());
+//                    static double NormallastX = 0, NormallastY = 0, UltralastX = 0, UltralastY = 0, SuperlastX = 0, SuperlastY = 0;
+//                    auto* HUDWidget = reinterpret_cast<UPlayerHudWidget_BP_C*>(object);
+//                    if (HUDWidget) {
+//                        static auto lastLogTime = std::chrono::steady_clock::now();
+//
+//                        auto* aspectZone = HUDWidget->KeepAspectZone_0;
+//                        if (aspectZone && aspectZone->IsA(UKeepAspectZone::StaticClass())) {
+//                            auto now = std::chrono::steady_clock::now();
+//                            auto diff = std::chrono::duration_cast<std::chrono::milliseconds>(now - lastLogTime).count();
+//
+//                            if (diff > 1000) { // une fois par seconde
+//                                lastLogTime = now;
+//
+//                                const FVector2D ratioNormal = aspectZone->DesireAspectRatio;
+//                                const FVector2D ratioUltra = aspectZone->DesireAspectRatioUltraWide;
+//                                const FVector2D ratioSuper = aspectZone->DesireAspectRatioSuperUltraWide;
+//
+//                                if (ratioNormal.X != NormallastX || ratioNormal.Y != NormallastY ||
+//                                    ratioUltra.X != UltralastX || ratioUltra.Y != UltralastY ||
+//                                    ratioSuper.X != SuperlastX || ratioSuper.Y != SuperlastY) {
+//                                    logger->info("Classe: {} // Ratio Normal X = {:.4f}, Y = {:.4f} // Ratio Super X = {:.4f}, Y = {:.4f} // Ratio Ultra X = {:.4f}, Y = {:.4f} ",
+//                                        object->GetName(), ratioNormal.X, ratioNormal.Y, ratioSuper.X, ratioSuper.Y, ratioUltra.X, ratioUltra.Y);
+//
+//                                    NormallastX = ratioNormal.X; NormallastY = ratioNormal.Y;
+//                                    UltralastX = ratioUltra.X; UltralastY = ratioUltra.Y;
+//                                    SuperlastX = ratioSuper.X; SuperlastY = ratioSuper.Y;
+//                                }
+//                            }
+//                        }
+//
+//                    }
 //                    auto* camModifier = reinterpret_cast<UCameraModifier*>(object);
 //                    auto* camOwner = camModifier->CameraOwner;
 //
@@ -415,6 +493,11 @@ static void CameraDistanceFixEnabled(bool fix_enabled) {
 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