BeamMP/BeamMP-Launcher
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Get error code when the game fails to launch on windows (#179)

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This PR logs the error `CreateProcessA` returns when failing on windows.
This can help with figuring out why the launcher `Failed to Launch the
game!`

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wrote all this code myself and own the rights to this code.
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SaltySnail 2025-04-19 21:43:41 +02:00 committed by GitHub
commit e216b6ec06
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1 changed files with 15 additions and 1 deletions
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16
src/GameStart.cpp
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@ -90,6 +90,8 @@ void StartGame(std::string Dir) {
gameArgs += options.game_arguments[i]; gameArgs += options.game_arguments[i];
} }
debug("BeamNG executable path: " + Dir);
bSuccess = CreateProcessA(nullptr, (LPSTR)(Dir + gameArgs).c_str(), nullptr, nullptr, TRUE, 0, nullptr, BaseDir.c_str(), &si, &pi); bSuccess = CreateProcessA(nullptr, (LPSTR)(Dir + gameArgs).c_str(), nullptr, nullptr, TRUE, 0, nullptr, BaseDir.c_str(), &si, &pi);
if (bSuccess) { if (bSuccess) {
info("Game Launched!"); info("Game Launched!");
@ -97,7 +99,19 @@ void StartGame(std::string Dir) {
WaitForSingleObject(pi.hProcess, INFINITE); WaitForSingleObject(pi.hProcess, INFINITE);
error("Game Closed! launcher closing soon"); error("Game Closed! launcher closing soon");
} else { } else {
error("Failed to Launch the game! launcher closing soon"); std::string err = "";
DWORD dw = GetLastError();
LPVOID lpErrorMsgBuffer;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dw,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&lpErrorMsgBuffer, 0, nullptr) == 0) {
err = "Unknown error code: " + std::to_string(dw);
} else {
err = "Error " + std::to_string(dw) + ": " + (char*)lpErrorMsgBuffer;
}
error("Failed to Launch the game! launcher closing soon. " + err);
} }
std::this_thread::sleep_for(std::chrono::seconds(5)); std::this_thread::sleep_for(std::chrono::seconds(5));
exit(2); exit(2);