stk-code_catmod/src/states_screens/server_selection.cpp

313 lines
11 KiB
C++

// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2010-2015 Lucas Baudin, Joerg Henrichs
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 3
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "states_screens/server_selection.hpp"
#include "audio/sfx_manager.hpp"
#include "guiengine/widgets/check_box_widget.hpp"
#include "guiengine/widgets/icon_button_widget.hpp"
#include "guiengine/widgets/label_widget.hpp"
#include "guiengine/modaldialog.hpp"
#include "network/network_config.hpp"
#include "network/server.hpp"
#include "network/servers_manager.hpp"
#include "states_screens/dialogs/message_dialog.hpp"
#include "states_screens/dialogs/server_info_dialog.hpp"
#include "states_screens/state_manager.hpp"
#include "utils/translation.hpp"
#include "utils/string_utils.hpp"
#include <algorithm>
#include <cassert>
using namespace Online;
// ----------------------------------------------------------------------------
/** Constructor, which loads the stkgui file.
*/
ServerSelection::ServerSelection() : Screen("online/server_selection.stkgui")
{
m_refreshing_server = false;
m_refresh_timer = 0.0f;
} // ServerSelection
// ----------------------------------------------------------------------------
/** Destructor.
*/
ServerSelection::~ServerSelection()
{
} // ServerSelection
// ----------------------------------------------------------------------------
/** Clean up.
*/
void ServerSelection::tearDown()
{
m_servers.clear();
ServersManager::get()->cleanUpServers();
m_server_list_widget->clear();
} // tearDown
// ----------------------------------------------------------------------------
/** Requests the servers manager to update its list of servers, and disables
* the 'refresh' button (till the refresh was finished).
*/
void ServerSelection::refresh(bool full_refresh)
{
// If the request was created (i.e. no error, and not re-requested within
// 5 seconds), clear the list and display the waiting message:
if (ServersManager::get()->refresh(full_refresh))
{
m_server_list_widget->clear();
m_reload_widget->setActive(false);
m_refreshing_server = true;
m_refresh_timer = 0.0f;
}
} // refresh
// ----------------------------------------------------------------------------
/** Set pointers to the various widgets.
*/
void ServerSelection::loadedFromFile()
{
m_reload_widget = getWidget<GUIEngine::IconButtonWidget>("reload");
assert(m_reload_widget != NULL);
m_server_list_widget = getWidget<GUIEngine::ListWidget>("server_list");
assert(m_server_list_widget != NULL);
m_server_list_widget->setColumnListener(this);
m_private_server = getWidget<GUIEngine::CheckBoxWidget>("private_server");
assert(m_private_server != NULL);
m_private_server->setState(false);
} // loadedFromFile
// ----------------------------------------------------------------------------
/** Clear the server list, which will be reloaded.
*/
void ServerSelection::beforeAddingWidget()
{
m_server_list_widget->clearColumns();
m_server_list_widget->addColumn( _("Name"), 3);
m_server_list_widget->addColumn( _("Players"), 1);
m_server_list_widget->addColumn(_("Difficulty"), 1);
m_server_list_widget->addColumn(_("Game mode"), 2);
if (NetworkConfig::get()->isWAN())
{
// I18N: In server selection screen, owner of server, only displayed
// if it's localhost or friends'
m_server_list_widget->addColumn(_("Owner"), 1);
// I18N: In server selection screen, distance to server
m_server_list_widget->addColumn(_("Distance (km)"), 1);
}
} // beforeAddingWidget
// ----------------------------------------------------------------------------
/** Triggers a refresh of the server list.
*/
void ServerSelection::init()
{
Screen::init();
m_sort_desc = true;
/** Triggers the loading of the server list in the servers manager. */
refresh(true);
} // init
// ----------------------------------------------------------------------------
/** Loads the list of all servers. The gui element will be
* updated.
* \param sort_case what sorting method will be used.
*/
void ServerSelection::loadList(unsigned sort_case)
{
m_server_list_widget->clear();
std::sort(m_servers.begin(), m_servers.end(), [sort_case, this]
(const std::shared_ptr<Server> a,
const std::shared_ptr<Server> b)->bool
{
std::shared_ptr<Server> c = m_sort_desc ? a : b;
std::shared_ptr<Server> d = m_sort_desc ? b : a;
switch (sort_case)
{
case 0:
return c->getLowerCaseName() > d->getLowerCaseName();
break;
case 1:
return c->getCurrentPlayers() > d->getCurrentPlayers();
break;
case 2:
return c->getDifficulty() > d->getDifficulty();
break;
case 3:
return c->getServerMode() > d->getServerMode();
break;
case 4:
return !(c->getServerOwnerName() < d->getServerOwnerName());
break;
case 5:
return c->getDistance() > d->getDistance();
break;
} // switch
assert(false);
return false;
});
for (auto server : m_servers)
{
core::stringw num_players;
num_players.append(StringUtils::toWString(server->getCurrentPlayers()));
num_players.append("/");
num_players.append(StringUtils::toWString(server->getMaxPlayers()));
std::vector<GUIEngine::ListWidget::ListCell> row;
row.push_back(GUIEngine::ListWidget::ListCell(server->getName(), -1, 3));
row.push_back(GUIEngine::ListWidget::ListCell(num_players, -1, 1, true));
core::stringw difficulty =
race_manager->getDifficultyName(server->getDifficulty());
row.push_back(GUIEngine::ListWidget::ListCell(difficulty, -1, 1, true));
core::stringw mode =
NetworkConfig::get()->getModeName(server->getServerMode());
row.push_back(GUIEngine::ListWidget::ListCell(mode, -1, 2, true));
if (NetworkConfig::get()->isWAN())
{
row.push_back(GUIEngine::ListWidget::ListCell(
server->getServerOwnerName(), -1, 1, true));
// I18N: In server selection screen, unknown distance to server
core::stringw distance = _("Unknown");
if (!(server->getDistance() < 0.0f))
distance = StringUtils::toWString(server->getDistance());
row.push_back(GUIEngine::ListWidget::ListCell(distance, -1, 1,
true));
}
m_server_list_widget->addItem("server", row);
}
} // loadList
// ----------------------------------------------------------------------------
/** Change the sort order if a column was clicked.
* \param column_id ID of the column that was clicked.
*/
void ServerSelection::onColumnClicked(int column_id)
{
m_sort_desc = !m_sort_desc;
loadList(column_id);
} // onColumnClicked
// ----------------------------------------------------------------------------
void ServerSelection::eventCallback(GUIEngine::Widget* widget,
const std::string& name,
const int playerID)
{
if (name == "back")
{
StateManager::get()->escapePressed();
}
else if (name == "reload")
{
refresh(true);
}
else if (name == "private_server")
{
copyFromServersManager();
}
else if (name == m_server_list_widget->m_properties[GUIEngine::PROP_ID])
{
int selected_index = m_server_list_widget->getSelectionID();
// This can happen e.g. when the list is empty and the user
// clicks somewhere.
if (selected_index < 0 || m_refreshing_server ||
selected_index >= (int)m_servers.size())
{
return;
}
new ServerInfoDialog(m_servers[selected_index]);
} // click on server
} // eventCallback
// ----------------------------------------------------------------------------
/** If a refresh of the server list was requested, check if it is finished and
* if so, update the list of servers.
*/
void ServerSelection::onUpdate(float dt)
{
// In case of auto-connect command line parameter, select the first server asap
if (NetworkConfig::get()->isAutoConnect() &&
m_refreshing_server == false &&
!m_servers.empty())
{
ServerInfoDialog *sid = new ServerInfoDialog(m_servers[0]);
sid->requestJoin();
}
if (ServersManager::get()->getServers().empty() && !m_refreshing_server &&
!NetworkConfig::get()->isWAN())
{
m_refresh_timer += dt;
if (m_refresh_timer > 10.0f)
{
refresh(false);
}
}
if (!m_refreshing_server) return;
if (ServersManager::get()->listUpdated())
{
m_refreshing_server = false;
if (!ServersManager::get()->getServers().empty())
{
int selection = m_server_list_widget->getSelectionID();
std::string selection_str = m_server_list_widget
->getSelectionInternalName();
copyFromServersManager();
// restore previous selection
if (selection != -1 && selection_str != "loading")
m_server_list_widget->setSelectionID(selection);
}
else
{
SFXManager::get()->quickSound("anvil");
m_server_list_widget->clear();
m_server_list_widget->addItem("loading",
_("No server is available."));
}
m_reload_widget->setActive(true);
}
else
{
m_server_list_widget->clear();
m_server_list_widget->addItem("loading",
StringUtils::loadingDots(_("Fetching servers")));
}
} // onUpdate
// ----------------------------------------------------------------------------
void ServerSelection::copyFromServersManager()
{
m_servers = ServersManager::get()->getServers();
if (m_servers.empty())
return;
m_servers.erase(std::remove_if(m_servers.begin(), m_servers.end(),
[this](const std::shared_ptr<Server> a)->bool
{
return a->isPasswordProtected() != m_private_server->getState();
}), m_servers.end());
loadList(0);
} // copyFromServersManager