e0361f53f1
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@8510 178a84e3-b1eb-0310-8ba1-8eac791a3b58
416 lines
15 KiB
C++
416 lines
15 KiB
C++
// $Id$
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//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2004-2006 Ingo Ruhnke <grumbel@gmx.de>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "karts/kart_properties_manager.hpp"
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#include <algorithm>
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#include <ctime>
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#include <stdio.h>
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#include <stdexcept>
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#include "challenges/unlock_manager.hpp"
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#include "config/stk_config.hpp"
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#include "config/user_config.hpp"
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#include "graphics/irr_driver.hpp"
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#include "guiengine/engine.hpp"
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#include "io/file_manager.hpp"
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#include "karts/kart_properties.hpp"
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#include "utils/string_utils.hpp"
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KartPropertiesManager *kart_properties_manager=0;
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std::vector<std::string> KartPropertiesManager::m_kart_search_path;
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/** Constructor, only clears internal data structures. */
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KartPropertiesManager::KartPropertiesManager()
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{
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m_all_groups.clear();
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} // KartPropertiesManager
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//-----------------------------------------------------------------------------
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/** Destructor. Removes all allocated data.
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*/
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KartPropertiesManager::~KartPropertiesManager()
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{
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} // ~KartPropertiesManager
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//-----------------------------------------------------------------------------
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/** Adds a directory from which karts are loaded. The kart manager checks if
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* either this directory itself contains a kart, and if any subdirectory
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* contains a kart.
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* \param dir The directory to add.
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*/
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void KartPropertiesManager::addKartSearchDir(const std::string &s)
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{
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m_kart_search_path.push_back(s);
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} // addKartSearchDir
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//-----------------------------------------------------------------------------
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void KartPropertiesManager::unloadAllKarts()
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{
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m_karts_properties.clearAndDeleteAll();
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m_selected_karts.clear();
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m_kart_available.clear();
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m_groups.clear();
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m_all_groups.clear();
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m_kart_search_path.clear();
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} // removeTextures
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//-----------------------------------------------------------------------------
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void KartPropertiesManager::reLoadAllKarts()
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{
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m_karts_properties.clearAndDeleteAll();
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m_selected_karts.clear();
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m_kart_available.clear();
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m_groups.clear();
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m_all_groups.clear();
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//m_kart_search_path.clear();
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loadAllKarts(false);
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}
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//-----------------------------------------------------------------------------
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/** Loads all kart properties and models.
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*/
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void KartPropertiesManager::loadAllKarts(bool loading_icon)
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{
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m_all_kart_dirs.clear();
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for(std::vector<std::string>::const_iterator dir=m_kart_search_path.begin();
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dir!=m_kart_search_path.end(); dir++)
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{
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// First check if there is a kart in the current directory
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// -------------------------------------------------------
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if(loadKart(*dir)) continue;
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// If not, check each subdir of this directory.
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// --------------------------------------------
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std::set<std::string> result;
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file_manager->listFiles(result, *dir, /*is_full_path*/ true);
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for(std::set<std::string>::const_iterator subdir=result.begin();
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subdir!=result.end(); subdir++)
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{
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const bool loaded = loadKart(*dir+"/"+*subdir);
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if (loaded && loading_icon)
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{
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GUIEngine::addLoadingIcon(irr_driver->getTexture(
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m_karts_properties[m_karts_properties.size()-1].getAbsoluteIconFile()
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)
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);
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}
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} // for all files in the currently handled directory
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} // for i
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} // loadAllKarts
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//-----------------------------------------------------------------------------
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/** Loads a single kart and (if not disabled) the oorresponding 3d model.
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* \param filename Full path to the kart config file.
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*/
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bool KartPropertiesManager::loadKart(const std::string &dir)
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{
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std::string config_filename=dir+"/kart.xml";
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FILE *f=fopen(config_filename.c_str(), "r");
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if(!f) return false;
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fclose(f);
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KartProperties* kart_properties;
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try
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{
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kart_properties = new KartProperties(config_filename);
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}
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catch (std::runtime_error& err)
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{
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std::cerr << "Giving up loading '" << config_filename.c_str()
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<< "' : " << err.what() << std::endl;
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return false;
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}
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// If the version of the kart file is not supported,
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// ignore this .kart file
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if (kart_properties->getVersion() < stk_config->m_min_kart_version ||
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kart_properties->getVersion() > stk_config->m_max_kart_version)
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{
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fprintf(stderr, "[KartPropertiesManager] Warning: kart '%s' is not supported by this binary, ignored.\n",
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kart_properties->getIdent().c_str());
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delete kart_properties;
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return false;
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}
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m_karts_properties.push_back(kart_properties);
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m_kart_available.push_back(true);
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const std::vector<std::string>& groups=kart_properties->getGroups();
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for(unsigned int g=0; g<groups.size(); g++)
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{
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if(m_groups.find(groups[g])==m_groups.end())
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{
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m_all_groups.push_back(groups[g]);
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}
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m_groups[groups[g]].push_back(m_karts_properties.size()-1);
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}
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m_all_kart_dirs.push_back(dir);
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return true;
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} // loadKartData
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//-----------------------------------------------------------------------------
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const int KartPropertiesManager::getKartId(const std::string &ident) const
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{
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for (int i=0; i<m_karts_properties.size(); i++)
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{
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if (UserConfigParams::m_verbosity>=5)
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std::cout << "[KartPropertiesManager] getKartId : " << m_karts_properties[i].getIdent().c_str() << std::endl;
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if (m_karts_properties[i].getIdent() == ident)
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return i;
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}
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std::ostringstream msg;
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msg << "KartPropertiesManager: Couldn't find kart: '" << ident << "'";
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throw std::runtime_error(msg.str());
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} // getKartId
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//-----------------------------------------------------------------------------
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const KartProperties* KartPropertiesManager::getKart(const std::string &ident) const
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{
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const KartProperties* kp;
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for_each (kp, m_karts_properties)
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{
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if (kp->getIdent() == ident)
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return kp;
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}
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return NULL;
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} // getKart
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//-----------------------------------------------------------------------------
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const KartProperties* KartPropertiesManager::getKartById(int i) const
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{
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if (i < 0 || i >= int(m_karts_properties.size()))
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return NULL;
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return m_karts_properties.get(i);
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} // getKartById
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//-----------------------------------------------------------------------------
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/** Returns a list of all available kart identifiers. */
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std::vector<std::string> KartPropertiesManager::getAllAvailableKarts() const
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{
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std::vector<std::string> all;
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for (int i=0; i<m_karts_properties.size(); i++)
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{
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if (m_kart_available[i])
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all.push_back(m_karts_properties[i].getIdent());
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}
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return all;
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} // getAllAvailableKarts
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//-----------------------------------------------------------------------------
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/** Marks all karts except the ones listed in the string vector to be
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* unavailable. This function is used on a client when receiving the list of
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* karts from a client to mark all other karts as unavailable.
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* \param karts List of karts that are available on a client.
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*/
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void KartPropertiesManager::setUnavailableKarts(std::vector<std::string> karts)
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{
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for (int i=0; i<m_karts_properties.size(); i++)
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{
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if (!m_kart_available[i]) continue;
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if (std::find(karts.begin(), karts.end(), m_karts_properties[i].getIdent())
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== karts.end())
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{
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m_kart_available[i] = false;
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fprintf(stderr, "Kart '%s' not available on all clients, disabled.\n",
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m_karts_properties[i].getIdent().c_str());
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} // kart not in list
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} // for i in m_kart_properties
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} // setUnavailableKarts
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//-----------------------------------------------------------------------------
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/** Returns the (global) index of the n-th kart of a given group. If there is
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* no such kart, -1 is returned.
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*/
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int KartPropertiesManager::getKartByGroup(const std::string& group, int n) const
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{
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int count=0;
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for (int i=0; i<m_karts_properties.size(); i++)
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{
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std::vector<std::string> groups = m_karts_properties[i].getGroups();
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if (std::find(groups.begin(), groups.end(), group) == groups.end()) continue;
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if (count == n) return i;
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count = count + 1;
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}
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return -1;
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} // getKartByGroup
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//-----------------------------------------------------------------------------
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bool KartPropertiesManager::testAndSetKart(int kartid)
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{
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if(!kartAvailable(kartid)) return false;
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m_selected_karts.push_back(kartid);
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return true;
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} // kartAvailable
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//-----------------------------------------------------------------------------
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/** Returns true if a kart is available to be selected. A kart is available to
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* be selected if it is available on all clients (i.e. m_kart_available is
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* true), not yet selected, and not locked.
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*/
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bool KartPropertiesManager::kartAvailable(int kartid)
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{
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if(kartid<0 || kartid>=(int)m_kart_available.size()) return false;
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if(!m_kart_available[kartid]) return false;
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std::vector<int>::iterator it;
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for (it = m_selected_karts.begin(); it < m_selected_karts.end(); it++)
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{
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if ( kartid == *it) return false;
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}
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const KartProperties *kartprop = getKartById(kartid);
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if(unlock_manager->isLocked(kartprop->getIdent())) return false;
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return true;
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} // kartAvailable
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//-----------------------------------------------------------------------------
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/** Sets a kart to be selected by specifying the identifier (name) of the kart.
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* \param kart_name Name of the kart.
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*/
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void KartPropertiesManager::selectKartName(const std::string &kart_name)
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{
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int kart_id = getKartId(kart_name);
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selectKart(kart_id);
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} // selectKartName
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//-----------------------------------------------------------------------------
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/** Returns a list of randomly selected karts. This list firstly contains
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* karts in the currently selected group, but which are not in the list
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* of 'existing karts'. If not enough karts are available in the current
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* group, karts from all other groups are used to fill up the list.
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* This is used by the race manager to select the AI karts.
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* \param count Number of karts to select randomly.
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* \param existing_karst List of karts that should not be used. This is the
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* list of karts selected by the players.
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*/
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std::vector<std::string> KartPropertiesManager::getRandomKartList(int count,
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RemoteKartInfoList& existing_karts)
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{
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std::vector<std::string> random_karts;
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// First: set up flags (based on global kart
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// index) for which karts are already used
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// -----------------------------------------
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std::vector<bool> used;
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used.resize(getNumberOfKarts(), false);
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std::vector<std::string> all_karts;
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for(unsigned int i=0; i<existing_karts.size(); i++)
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{
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try
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{
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int id=getKartId(existing_karts[i].getKartName());
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used[id] = true;
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}
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catch (std::runtime_error& ex)
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{
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(void)ex;
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std::cerr << "[KartPropertiesManager] getRandomKartList : WARNING, can't find kart '" << existing_karts[i].getKartName() << "'\n";
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}
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}
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// Add karts from the current group
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// --------------------------------
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std::vector<int> karts = getKartsInGroup(UserConfigParams::m_kart_group);
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std::vector<int>::iterator k;
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// Remove karts that are already used or generally not available
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// (i.e. locked or not available on all clients)
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for(unsigned int i=0; i<karts.size();)
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{
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if(used[karts[i]] || !m_kart_available[karts[i]] ||
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unlock_manager->isLocked(m_karts_properties[karts[i]].getIdent()))
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karts.erase(karts.begin()+i);
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else
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i++;
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}
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std::random_shuffle(karts.begin(), karts.end());
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// Loop over all karts to fill till either all slots are filled, or
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// there are no more karts in the current group
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while(count>0 && karts.size()>0)
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{
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//used[karts.back()] = true;
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random_karts.push_back(m_karts_properties[karts.back()].getIdent());
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karts.pop_back();
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count --;
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}
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if(count==0) return random_karts;
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// Not enough karts in chosen group, so fill the rest with arbitrary karts
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// -----------------------------------------------------------------------
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// First create an index list with all unused karts.
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karts.clear();
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for(unsigned int i=0; i<getNumberOfKarts(); i++)
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{
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if(!used[i] && m_kart_available[i] &&
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!unlock_manager->isLocked(m_karts_properties[i].getIdent()) )
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karts.push_back(i);
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}
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std::random_shuffle(karts.begin(), karts.end());
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// Then fill up the remaining empty spaces
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do
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{
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while(count>0 && karts.size()>0)
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{
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random_karts.push_back(m_karts_properties[karts.back()].getIdent());
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karts.pop_back();
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count --;
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}
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// we used all karts but still need more... we'll have no choice but
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// to use the same karts more than once.
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if (count>0 && karts.size() == 0)
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{
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for(unsigned int i=0; i<getNumberOfKarts(); i++)
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{
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if(!used[i] && m_kart_available[i] &&
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!unlock_manager->isLocked(m_karts_properties[i].getIdent()) )
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karts.push_back(i);
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}
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// If there are no unused karts, use used karts again.
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// This means that e.g. if only one kart is availabe, which is
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// used by the player, it will still be used by AI karts (which
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// can be useful for debugging).
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if(karts.size()==0)
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{
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for(unsigned int i=0; i<getNumberOfKarts(); i++)
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{
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if(m_kart_available[i] &&
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!unlock_manager->isLocked(m_karts_properties[i].getIdent()) )
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karts.push_back(i);
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}
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}
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std::random_shuffle(karts.begin(), karts.end());
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}
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} while(count>0);
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// There should always be enough karts
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assert(count==0);
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return random_karts;
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} // getRandomKartList
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/* EOF */
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