Method RebuildList

src/network/network_gui.cpp:1680–1708

* Rebuild the list, meaning: calculate the lines needed and what buttons go on which line. */

	 * Rebuild the list, meaning: calculate the lines needed and what buttons go on which line.
	 */
	void RebuildList()
	{
		const NetworkClientInfo *own_ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
		CompanyID client_playas = own_ci == nullptr ? COMPANY_SPECTATOR : own_ci->client_playas;

		this->buttons.clear();

		/* As spectator, show a line to create a new company. */
		if (client_playas == COMPANY_SPECTATOR && !NetworkMaxCompaniesReached()) {
			ButtonLine &line = *this->buttons.emplace_back(std::make_unique<CompanyButtonLine>(COMPANY_NEW_COMPANY));
			line.AddButton<CompanyButton>(SPR_JOIN, STR_NETWORK_CLIENT_LIST_NEW_COMPANY_TOOLTIP, COLOUR_ORANGE, COMPANY_SPECTATOR, &NetworkClientListWindow::OnClickCompanyNew);
		}

		if (client_playas != COMPANY_SPECTATOR) {
			this->RebuildListCompany(client_playas, client_playas, false);
		}

		/* Companies */
		for (const Company *c : Company::Iterate()) {
			if (c->index == client_playas) continue;

			this->RebuildListCompany(c->index, client_playas, (own_ci != nullptr && c->allow_list.Contains(own_ci->public_key)) || _network_server);
		}

		/* Spectators */
		this->RebuildListCompany(COMPANY_SPECTATOR, client_playas, client_playas != COMPANY_SPECTATOR);

		this->vscroll->SetCount(this->buttons.size());
	}

public:
	NetworkClientListWindow(WindowDesc &desc, WindowNumber window_number) : Window(desc)