#include "pch.h" #include <stdio.h> #include <string> #include <system_error> #include <Shlwapi.h> #include <sstream> #include <fstream> #include <filesystem> HMODULE hLauncherModule; HMODULE hHookModule; HMODULE hTier0Module; using CreateInterfaceFn = void* (*)(const char* pName, int* pReturnCode); // does not seem to ever be used extern "C" _declspec(dllexport) void* __fastcall CreateInterface(const char* pName, int* pReturnCode) { //AppSystemCreateInterfaceFn(pName, pReturnCode); printf("external CreateInterface: name: %s\n", pName); static CreateInterfaceFn launcher_CreateInterface = (CreateInterfaceFn)GetProcAddress(hLauncherModule, "CreateInterface"); auto res = launcher_CreateInterface(pName, pReturnCode); printf("external CreateInterface: return code: %p\n", res); return res; } bool GetExePathWide(wchar_t* dest, DWORD destSize) { if (!dest) return NULL; if (destSize < MAX_PATH) return NULL; DWORD length = GetModuleFileNameW(NULL, dest, destSize); return length && PathRemoveFileSpecW(dest); } FARPROC GetLauncherMain() { static FARPROC Launcher_LauncherMain; if (!Launcher_LauncherMain) Launcher_LauncherMain = GetProcAddress(hLauncherModule, "LauncherMain"); return Launcher_LauncherMain; } void LibraryLoadError(DWORD dwMessageId, const wchar_t* libName, const wchar_t* location) { char text[4096]; std::string message = std::system_category().message(dwMessageId); sprintf_s(text, "Failed to load the %ls at \"%ls\" (%lu):\n\n%hs", libName, location, dwMessageId, message.c_str()); if (dwMessageId == 126 && std::filesystem::exists(location)) { sprintf_s(text, "%s\n\nThe file at the specified location DOES exist, so this error indicates that one of its *dependencies* failed to be found.", text); } MessageBoxA(GetForegroundWindow(), text, "Northstar Launcher Proxy Error", 0); } BOOL APIENTRY DllMain( HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved ) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; } wchar_t exePath[4096]; wchar_t dllPath[4096]; bool ShouldLoadNorthstar() { bool loadNorthstar = !strstr(GetCommandLineA(), "-vanilla"); if (!loadNorthstar) return loadNorthstar; auto runNorthstarFile = std::ifstream("run_northstar.txt"); if (runNorthstarFile) { std::stringstream runNorthstarFileBuffer; runNorthstarFileBuffer << runNorthstarFile.rdbuf(); runNorthstarFile.close(); if (runNorthstarFileBuffer.str()._Starts_with("0")) loadNorthstar = false; } return loadNorthstar; } bool LoadNorthstar() { FARPROC Hook_Init = nullptr; { swprintf_s(dllPath, L"%s\\Northstar.dll", exePath); hHookModule = LoadLibraryExW(dllPath, 0, LOAD_WITH_ALTERED_SEARCH_PATH); if (hHookModule) Hook_Init = GetProcAddress(hHookModule, "InitialiseNorthstar"); if (!hHookModule || Hook_Init == nullptr) { LibraryLoadError(GetLastError(), L"Northstar.dll", dllPath); return false; } } ((bool (*)()) Hook_Init)(); return true; } extern "C" __declspec(dllexport) int LauncherMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { { if (!GetExePathWide(exePath, 4096)) { MessageBoxA(GetForegroundWindow(), "Failed getting game directory.\nThe game cannot continue and has to exit.", "Northstar Launcher Proxy Error", 0); return 1; } bool loadNorthstar = ShouldLoadNorthstar(); if (loadNorthstar) { swprintf_s(dllPath, L"%s\\bin\\x64_retail\\tier0.dll", exePath); hTier0Module = LoadLibraryExW(dllPath, 0, LOAD_WITH_ALTERED_SEARCH_PATH); if (!hTier0Module) { LibraryLoadError(GetLastError(), L"tier0.dll", dllPath); return 1; } if (!LoadNorthstar()) return 1; } //else printf("\n\n WILL !!!NOT!!! LOAD NORTHSTAR\n\n"); swprintf_s(dllPath, L"%s\\bin\\x64_retail\\launcher.org.dll", exePath); hLauncherModule = LoadLibraryExW(dllPath, 0, LOAD_WITH_ALTERED_SEARCH_PATH); if (!hLauncherModule) { LibraryLoadError(GetLastError(), L"launcher.org.dll", dllPath); return 1; } } auto LauncherMain = GetLauncherMain(); if (!LauncherMain) MessageBoxA(GetForegroundWindow(), "Failed loading launcher.org.dll.\nThe game cannot continue and has to exit.", "Northstar Launcher Proxy Error", 0); //auto result = ((__int64(__fastcall*)())LauncherMain)(); //auto result = ((signed __int64(__fastcall*)(__int64))LauncherMain)(0i64); return ((int(__fastcall*)(HINSTANCE, HINSTANCE, LPSTR, int))LauncherMain)(hInstance, hPrevInstance, lpCmdLine, nCmdShow); } // doubt that will help us here (in launcher.dll) though extern "C" { __declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 0x00000001; __declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001; }