Method createLaunchTask

launcher/minecraft/MinecraftInstance.cpp:943–1088

}

shared_qobject_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPtr session, MinecraftServerTargetPtr serverToJoin)
{
    updateRuntimeContext();
    // FIXME: get rid of shared_from_this ...
    auto process = LaunchTask::create(std::dynamic_pointer_cast<MinecraftInstance>(shared_from_this()));
    auto pptr = process.get();

    APPLICATION->icons()->saveIcon(iconKey(), FS::PathCombine(gameRoot(), "icon.png"), "PNG");

    // print a header
    {
        process->appendStep(new TextPrint(pptr, "Minecraft folder is:\n" + gameRoot() + "\n\n", MessageLevel::Launcher));
    }

    // check java
    {
        process->appendStep(new CheckJava(pptr));
    }

    // check launch method
    QStringList validMethods = {"LauncherPart", "DirectJava"};
    QString method = launchMethod();
    if(!validMethods.contains(method))
    {
        process->appendStep(new TextPrint(pptr, "Selected launch method \"" + method + "\" is not valid.\n", MessageLevel::Fatal));
        return process;
    }

    // create the .minecraft folder and server-resource-packs (workaround for Minecraft bug MCL-3732)
    {
        process->appendStep(new CreateGameFolders(pptr));
    }

    if (!serverToJoin && settings()->get("JoinServerOnLaunch").toBool())
    {
        QString fullAddress = settings()->get("JoinServerOnLaunchAddress").toString();
        serverToJoin.reset(new MinecraftServerTarget(MinecraftServerTarget::parse(fullAddress)));
    }

    if(serverToJoin && serverToJoin->port == 25565)
    {
        // Resolve server address to join on launch
        auto *step = new LookupServerAddress(pptr);
        step->setLookupAddress(serverToJoin->address);
        step->setOutputAddressPtr(serverToJoin);
        process->appendStep(step);
    }

    // run pre-launch command if that's needed
    if(getPreLaunchCommand().size())
    {
        auto step = new PreLaunchCommand(pptr);
        step->setWorkingDirectory(gameRoot());
        process->appendStep(step);
    }

    *m_authlibinjector_javaagent = QString();
    if (!session->authlib_injector_base_url.isNull())