stk-code_catmod/src/states_screens/server_selection.cpp
2016-10-04 08:44:50 +02:00

254 lines
8.9 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/modaldialog.hpp"
#include "network/servers_manager.hpp"
#include "online/xml_request.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 <iostream>
#include <assert.h>
using namespace Online;
DEFINE_SCREEN_SINGLETON( ServerSelection );
// ----------------------------------------------------------------------------
/** Constructor, which loads the stkgui file.
*/
ServerSelection::ServerSelection() : Screen("online/server_selection.stkgui")
{
m_refresh_request = NULL;
} // ServerSelection
// ----------------------------------------------------------------------------
/** Destructor.
*/
ServerSelection::~ServerSelection()
{
} // ServerSelection
// ----------------------------------------------------------------------------
/** Clean up.
*/
void ServerSelection::tearDown()
{
// If the refresh request is being executed, and stk should exit,
// then a crash can happen when the refresh request is deleted, but
// then the request manager tries to activate this request. So only
// delete this request if it is finished.
if(m_refresh_request && m_refresh_request->isDone())
delete m_refresh_request;
} // tearDown
// ----------------------------------------------------------------------------
/** Requests the servers manager to update its list of servers, and disables
* the 'refresh' button (till the refresh was finished).
*/
void ServerSelection::refresh()
{
m_refresh_request = ServersManager::get()->getRefreshRequest();
// 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(m_refresh_request)
{
m_server_list_widget->clear();
m_server_list_widget->addItem("spacer", L"");
m_server_list_widget->addItem("loading",
StringUtils::loadingDots(_("Fetching servers")));
m_reload_widget->setActive(false);
}
} // 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);
} // loadedFromFile
// ----------------------------------------------------------------------------
/** Clear the server list, which will be reloaded.
*/
void ServerSelection::beforeAddingWidget()
{
m_server_list_widget->clearColumns();
m_server_list_widget->addColumn( _("Name"), 2 );
m_server_list_widget->addColumn( _("Players"), 1);
m_server_list_widget->addColumn(_("Difficulty"), 1);
m_server_list_widget->addColumn(_("Game mode"), 1);
} // beforeAddingWidget
// ----------------------------------------------------------------------------
/** Triggers a refresh of the server list.
*/
void ServerSelection::init()
{
Screen::init();
m_sort_desc = true;
// Set the default sort order
Server::setSortOrder(Server::SO_NAME);
/** Triggers the loading of the server list in the servers manager. */
refresh();
} // init
// ----------------------------------------------------------------------------
/** Loads the list of all servers. The gui element will be
* updated.
* \param type Must be 'kart' or 'track'.
*/
void ServerSelection::loadList()
{
m_server_list_widget->clear();
ServersManager *manager = ServersManager::get();
manager->sort(m_sort_desc);
for(int i=0; i < manager->getNumServers(); i++)
{
const Server *server = manager->getServerBySort(i);
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 = RaceManager::getNameOf(server->getRaceMinorMode());
row.push_back(GUIEngine::ListWidget::ListCell(mode, -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)
{
switch(column_id)
{
case 0: Server::setSortOrder(Server::SO_NAME); break;
case 1: Server::setSortOrder(Server::SO_PLAYERS); break;
default: assert(0); break;
} // switch
/** \brief Toggle the sort order after column click **/
m_sort_desc = !m_sort_desc;
loadList();
} // 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();
}
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 >= ServersManager::get()->getNumServers() ||
selected_index<0 )
{
return;
}
const Server *server =
ServersManager::get()->getServerBySort(selected_index);
uint32_t server_id = server->getServerId();
uint32_t host_id = server->getHostId();
new ServerInfoDialog(server_id, host_id);
} // 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)
{
if (!m_refresh_request) return;
if (m_refresh_request->isDone())
{
if (m_refresh_request->isSuccess())
{
int selection = m_server_list_widget->getSelectionID();
std::string selection_str = m_server_list_widget->getSelectionInternalName();
loadList();
// restore previous selection
if (selection != -1 && selection_str != "spacer" && selection_str != "loading")
m_server_list_widget->setSelectionID(selection);
}
else
{
SFXManager::get()->quickSound("anvil");
new MessageDialog(m_refresh_request->getInfo());
m_server_list_widget->clear();
}
delete m_refresh_request;
m_refresh_request = NULL;
m_reload_widget->setActive(true);
}
else
{
int selection = m_server_list_widget->getSelectionID();
std::string selection_str = m_server_list_widget->getSelectionInternalName();
m_server_list_widget->clear();
loadList();
m_server_list_widget->addItem("spacer", L"");
m_server_list_widget->addItem("loading",
StringUtils::loadingDots(_("Fetching servers")));
// restore previous selection
if (selection != -1 && selection_str != "spacer" && selection_str != "loading")
m_server_list_widget->setSelectionID(selection);
}
} // onUpdate