Method decideAccount

launcher/LaunchController.cpp:82–146

}

void LaunchController::decideAccount()
{
    if(m_accountToUse) {
        return;
    }

    // Find an account to use.
    auto accounts = APPLICATION->accounts();
    if (accounts->count() <= 0)
    {
        // Tell the user they need to log in at least one account in order to play.
        auto reply = CustomMessageBox::selectable(
            m_parentWidget,
            tr("No Accounts"),
            tr("In order to play Minecraft, you must have at least one Microsoft or Mojang "
               "account logged in. Mojang accounts can only be used offline. "
               "Would you like to open the account manager to add an account now?"),
            QMessageBox::Information,
            QMessageBox::Yes | QMessageBox::No
        )->exec();

        if (reply == QMessageBox::Yes)
        {
            // Open the account manager.
            APPLICATION->ShowGlobalSettings(m_parentWidget, "accounts");
        }
        else if (reply == QMessageBox::No)
        {
            // Do not open "profile select" dialog.
            return;
        }
    }

    bool overrideAccount = m_instance->settings()->get("OverrideAccount").toBool();
    QString overrideAccountProfileId = m_instance->settings()->get("OverrideAccountProfileId").toString();

    m_accountToUse = accounts->defaultAccount();

    if (overrideAccount) {
        int overrideIndex = accounts->findAccountByProfileId(overrideAccountProfileId);
        if (overrideIndex != -1) {
            m_accountToUse = accounts->at(overrideIndex);
        }
    }

    if (!m_accountToUse)
    {
        // If no default account is set, ask the user which one to use.
        ProfileSelectDialog selectDialog(
            tr("Which account would you like to use?"),
            ProfileSelectDialog::GlobalDefaultCheckbox,
            m_parentWidget
        );

        selectDialog.exec();

        // Launch the instance with the selected account.
        m_accountToUse = selectDialog.selectedAccount();