Add tool library for Unreal Engine

UEngine/UEngine.cpp

@@ -0,0 +1,23 @@
+// UEngine.cpp : Defines all Unreal Engine static tools functions
+//
+#include <Windows.h>
+#include <string>
+#include <optional>
+#include "UEngine.hpp"
+
+std::optional<uint32_t> UE::CalculateOffset(const std::string& exeName, uint8_t* AOBResult)
+{
+    // Récupère la base du module via GetModuleHandleA
+    HMODULE hModule = GetModuleHandleA(exeName.c_str());
+    if (!hModule || !AOBResult)
+        return std::nullopt;
+
+    uintptr_t baseModule = reinterpret_cast<uintptr_t>(hModule);
+    uintptr_t AOBAbsoluteAdress = reinterpret_cast<uintptr_t>(AOBResult);
+
+    if (AOBAbsoluteAdress < baseModule)
+        return std::nullopt;
+
+    uintptr_t relativeOffset = AOBAbsoluteAdress - baseModule;
+    return static_cast<uint32_t>(relativeOffset);
+}