Method executeTask

launcher/minecraft/launch/LauncherPartLaunch.cpp:96–193

}

void LauncherPartLaunch::executeTask()
{
    QString jarPath = APPLICATION->getJarPath("NewLaunch.jar");
    if (jarPath.isEmpty())
    {
        const char *reason = QT_TR_NOOP("Launcher library could not be found. Please check your installation.");
        emit logLine(tr(reason), MessageLevel::Fatal);
        emitFailed(tr(reason));
        return;
    }

    auto instance = m_parent->instance();
    std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);

    m_launchScript = minecraftInstance->createLaunchScript(m_session, m_serverToJoin);
    QStringList args = minecraftInstance->javaArguments();
    QString allArgs = args.join(", ");
    emit logLine("Java Arguments:\n[" + m_parent->censorPrivateInfo(allArgs) + "]\n\n", MessageLevel::Launcher);

    auto javaPath = FS::ResolveExecutable(instance->settings()->get("JavaPath").toString());

    m_process.setProcessEnvironment(instance->createLaunchEnvironment());

    // make detachable - this will keep the process running even if the object is destroyed
    m_process.setDetachable(true);

    auto classPath = minecraftInstance->getClassPath();
    classPath.prepend(jarPath);

    auto natPath = minecraftInstance->getNativePath();
#ifdef Q_OS_WIN
    if (!fitsInLocal8bit(natPath))
    {
        args << "-Djava.library.path=" + shortPathName(natPath);
    }
    else
    {
        args << "-Djava.library.path=" + natPath;
    }
#else
    args << "-Djava.library.path=" + natPath;
#endif

    args << "-cp";
#ifdef Q_OS_WIN
    QStringList processed;
    for(auto & item: classPath)
    {
        if (!fitsInLocal8bit(item))
        {
            processed << shortPathName(item);
        }
        else
        {
            processed << item;
        }
    }
    args << processed.join(';');