Method decideAccount

launcher/LaunchController.cpp:81–131

}

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

    // Find an account to use.
    auto accounts = APPLICATION->accounts();
    if (accounts->count() <= 0 || !accounts->anyAccountIsValid()) {
        // 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 "
                                                     "account which owns Minecraft logged in. "
                                                     "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;
        }
    }

    // Select the account to use. If the instance has a specific account set, that will be used. Otherwise, the default account will be used
    auto instanceAccountId = m_instance->settings()->get("InstanceAccountId").toString();
    auto instanceAccountIndex = accounts->findAccountByProfileId(instanceAccountId);
    if (instanceAccountIndex == -1 || instanceAccountId.isEmpty()) {
        m_accountToUse = accounts->defaultAccount();
    } else {
        m_accountToUse = accounts->at(instanceAccountIndex);
    }

    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();

        // If the user said to use the account as default, do that.
        if (selectDialog.useAsGlobalDefault() && m_accountToUse) {
            accounts->setDefaultAccount(m_accountToUse);
        }
    }
}

bool LaunchController::askPlayDemo()
{