Method launchInstance

launcher/LaunchController.cpp:367–426

}

void LaunchController::launchInstance()
{
    Q_ASSERT(m_instance != nullptr);
    Q_ASSERT(m_session.get() != nullptr);

    if (!m_instance->reloadSettings()) {
        QMessageBox::critical(m_parentWidget, tr("Error!"), tr("Couldn't load the instance profile."));
        emitFailed(tr("Couldn't load the instance profile."));
        return;
    }

    m_launcher = m_instance->createLaunchTask(m_session, m_targetToJoin);
    if (!m_launcher) {
        emitFailed(tr("Couldn't instantiate a launcher."));
        return;
    }

    const auto* console = qobject_cast<InstanceWindow*>(m_parentWidget);
    const auto showConsole = m_instance->settings()->get("ShowConsole").toBool();
    if (!console && showConsole) {
        APPLICATION->showInstanceWindow(m_instance);
    }
    connect(m_launcher, &LaunchTask::readyForLaunch, this, &LaunchController::readyForLaunch);
    connect(m_launcher, &LaunchTask::succeeded, this, &LaunchController::onSucceeded);
    connect(m_launcher, &LaunchTask::failed, this, &LaunchController::onFailed);
    connect(m_launcher, &LaunchTask::requestProgress, this, &LaunchController::onProgressRequested);

    // Prepend Online and Auth Status
    QString online_mode;
    if (m_actualLaunchMode == LaunchMode::Normal) {
        online_mode = "online";

        // Prepend Server Status
        QStringList servers;
        if (m_session->wantsElyPatch) {
            servers = { "ely.by", "account.ely.by", "skinsystem.ely.by" };
        } else {
            servers = { "login.microsoftonline.com", "session.minecraft.net", "textures.minecraft.net", "api.mojang.com" };
        }

        const auto s = APPLICATION->settings();
        const QString metaOverride = s->get("MetaURLOverride").toString();
        const QUrl metaUrl = !metaOverride.isEmpty() ? QUrl(metaOverride) : QUrl(BuildConfig.META_URL);
        servers.prepend(metaUrl.host(QUrl::FullyEncoded));

        m_launcher->prependStep(makeShared<PrintServers>(m_launcher, servers));
    } else {
        online_mode = m_actualLaunchMode == LaunchMode::Demo ? "demo" : "offline";
    }

    m_launcher->prependStep(makeShared<TextPrint>(m_launcher, "Launched instance in " + online_mode + " mode\n", MessageLevel::Launcher));

    // Prepend Version
    {
        auto versionString = QString("%1 version: %2 (%3)")
                                 .arg(BuildConfig.LAUNCHER_DISPLAYNAME, BuildConfig.printableVersionString(), BuildConfig.BUILD_PLATFORM);
        m_launcher->prependStep(makeShared<TextPrint>(m_launcher, versionString + "\n", MessageLevel::Launcher));
    }