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#include "pch.h"
#include "loader.h"
#include "../NorthstarDLL/hookutils.h"
#include <string>
#include <system_error>
#include <sstream>
#include <fstream>
#include <filesystem>
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 Wsock32 Proxy Error", 0);
}
bool ShouldLoadNorthstar()
{
bool loadNorthstar = strstr(GetCommandLineA(), "-northstar");
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 = true;
}
return loadNorthstar;
}
bool LoadNorthstar()
{
FARPROC Hook_Init = nullptr;
{
swprintf_s(buffer1, L"%s\\Northstar.dll", exePath);
auto hHookModule = LoadLibraryExW(buffer1, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
if (hHookModule) Hook_Init = GetProcAddress(hHookModule, "InitialiseNorthstar");
if (!hHookModule || Hook_Init == nullptr)
{
LibraryLoadError(GetLastError(), L"Northstar.dll", buffer1);
return false;
}
}
((bool (*)()) Hook_Init)();
return true;
}
typedef int(*LauncherMainType)(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow);
LauncherMainType LauncherMainOriginal;
int LauncherMainHook(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
if (ShouldLoadNorthstar())
LoadNorthstar();
return LauncherMainOriginal(hInstance, hPrevInstance, lpCmdLine, nCmdShow);
}
bool ProvisionNorthstar()
{
if (!ShouldLoadNorthstar())
return true;
if (MH_Initialize() != MH_OK)
{
MessageBoxA(GetForegroundWindow(), "MH_Initialize failed\nThe game cannot continue and has to exit.", "Northstar Wsock32 Proxy Error", 0);
return false;
}
auto launcherHandle = GetModuleHandleA("launcher.dll");
if (!launcherHandle)
{
MessageBoxA(GetForegroundWindow(), "Launcher isn't loaded yet.\nThe game cannot continue and has to exit.", "Northstar Wsock32 Proxy Error", 0);
return false;
}
HookEnabler hook;
ENABLER_CREATEHOOK(hook, GetProcAddress(launcherHandle, "LauncherMain"), &LauncherMainHook, reinterpret_cast<LPVOID*>(&LauncherMainOriginal));
return true;
}
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