BeamMP-Launcher/src/GameStart.cpp
2020-06-04 01:52:48 +03:00

53 lines
2.0 KiB
C++

///
/// Created by Anonymous275 on 5/2/2020
///
#include <Windows.h>
#include <iostream>
#include <thread>
std::string QueryKey(HKEY hKey,int ID);
void SystemExec(const std::string&cmd);
void Exit(const std::string& Msg);
std::string Write(const std::string&Path){
HKEY hKey;
LPCTSTR sk = TEXT("Software\\BeamNG\\BeamNG.drive");
LONG openRes = RegOpenKeyEx(HKEY_CURRENT_USER, sk, 0, KEY_ALL_ACCESS, &hKey);
if (openRes != ERROR_SUCCESS)Exit("Error! Please launch the game at least once");
std::string Query = QueryKey(hKey,4);
LONG setRes = RegSetValueEx(hKey, TEXT("userpath_override"), 0, REG_SZ, (LPBYTE)Path.c_str(), Path.size());
if(setRes != ERROR_SUCCESS)Exit("Error! Failed to launch the game code 1");
RegCloseKey(hKey);
return Query;
}
void DeleteKey(){
HKEY hKey;
LPCTSTR sk = TEXT("Software\\BeamNG\\BeamNG.drive");
RegOpenKeyEx(HKEY_CURRENT_USER, sk, 0, KEY_ALL_ACCESS, &hKey);
RegDeleteValueA(hKey, TEXT("userpath_override"));
}
void RollBack(const std::string&Val,int T){
std::this_thread::sleep_for(std::chrono::seconds(T));
if(!Val.empty())Write(Val);
else DeleteKey();
}
void StartGame(const std::string&ExeDir,const std::string&Current){
BOOL bSuccess = FALSE;
PROCESS_INFORMATION pi;
STARTUPINFO si = {0};
si.cb = sizeof(si);
std::string BaseDir = ExeDir.substr(0,ExeDir.find_last_of('\\'));
bSuccess = CreateProcessA(ExeDir.c_str(), nullptr, nullptr, nullptr, TRUE, 0, nullptr, BaseDir.c_str(), &si, &pi);
if (bSuccess)
{
std::cout << "Game Launched!\n";
DWORD dwPid = pi.dwProcessId; //Gets the PID
std::thread RB(RollBack,Write(Current),7);
RB.detach();
WaitForSingleObject(pi.hProcess, INFINITE);
std::cout << "\nGame Closed! launcher closing in 5 secs\n";
}else std::cout << "\nFailed to Launch the game! launcher closing in 5 secs\n";
RollBack(Write(Current),0);
std::this_thread::sleep_for(std::chrono::seconds(5));
exit(2);
}