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Documentation                       Search   landscapeig_manager.cpp Go to the documentation of this file. /* Copyright, 2001 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL 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 2, or (at your option) * any later version. * NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #include "std3d.h" #include "nel/3d/landscapeig_manager.h" #include "nel/3d/u_scene.h" #include "nel/3d/u_instance_group.h" #include "nel/misc/common.h" #include "nel/misc/debug.h" #include "nel/misc/path.h" #include "nel/misc/file.h" // std. #include <fstream> using namespace NLMISC; using namespace std; namespace NL3D { // *************************************************************************** CLandscapeIGManager::CInstanceGroupElement::CInstanceGroupElement(UInstanceGroup *ig, const char *fileName) { NL3D_MEM_LANDSCAPE_IG Ig = ig; AddedToScene = false; if (fileName != NULL) FileName = fileName; } // *************************************************************************** void CLandscapeIGManager::CInstanceGroupElement::release() { NL3D_MEM_LANDSCAPE_IG delete Ig; Ig= NULL; } // *************************************************************************** CLandscapeIGManager::CLandscapeIGManager() { NL3D_MEM_LANDSCAPE_IG _Scene=NULL; } // *************************************************************************** CLandscapeIGManager::~CLandscapeIGManager() { NL3D_MEM_LANDSCAPE_IG // reset should have been called. if(_Scene!=NULL) throw Exception("CLandscapeIGManager not reseted"); } // *************************************************************************** void CLandscapeIGManager::initIG(UScene *scene, const std::string &igDesc) { NL3D_MEM_LANDSCAPE_IG nlassert(scene); _Scene= scene; // Load the file. if(igDesc.empty()) return; string igFile = CPath::lookup(igDesc); //ifstream file(igFile.c_str(), ios::in); CIFile file; // if loading ok. //if(file.is_open()) if (file.open (igFile)) { char tmpBuff[260]; char delimiterBox[] = "\t"; // While the end of the file is not reached. while(!file.eof()) { // Get a line file.getline(tmpBuff, 260); char *token = strtok(tmpBuff, delimiterBox); // create the instance group. if(token != NULL) { if( _ZoneInstanceGroupMap.find(token)!=_ZoneInstanceGroupMap.end() ) throw Exception("CLandscapeIGManager::initIG() found 2 igs with same name in %s", igFile.c_str()); else { // create the instanceGroup. UInstanceGroup *ig = UInstanceGroup::createInstanceGroup(token); if (ig) { // add it to the map. string tokId= token; strupr(tokId); _ZoneInstanceGroupMap[tokId]= CInstanceGroupElement(ig, token); } else { nlwarning ("CLandscapeIGManager::initIG() Can't load instance group '%s' in '%s'", token, igFile.c_str()); } } } } file.close(); } else { nlwarning ("Couldn't load '%s'", igFile.c_str()); } } // *************************************************************************** UInstanceGroup *CLandscapeIGManager::loadZoneIG(const std::string &name) { NL3D_MEM_LANDSCAPE_IG if(name=="") return NULL; // try to find this InstanceGroup. ItZoneInstanceGroupMap it; it= _ZoneInstanceGroupMap.find( translateName(name) ); // if found. if( it!= _ZoneInstanceGroupMap.end() ) { // if not already added to the scene. if( !it->second.AddedToScene ) { // add to the scene. if (it->second.Ig != NULL) { it->second.Ig->addToScene(*_Scene); it->second.AddedToScene= true; } } return it->second.Ig; } else { return NULL; } } // *************************************************************************** void CLandscapeIGManager::loadArrayZoneIG(const std::vector<std::string> &names, std::vector<UInstanceGroup *> *dest /*= NULL*/) { NL3D_MEM_LANDSCAPE_IG if (dest) { dest->clear(); dest->reserve(names.size()); } for(uint i=0; i<names.size(); i++) { UInstanceGroup *ig = loadZoneIG(names[i]); if (dest && ig) { dest->push_back(ig); } } } // *************************************************************************** void CLandscapeIGManager::unloadArrayZoneIG(const std::vector<std::string> &names) { NL3D_MEM_LANDSCAPE_IG for(uint i=0; i<names.size(); i++) { unloadZoneIG(names[i]); } } // *************************************************************************** void CLandscapeIGManager::unloadZoneIG(const std::string &name) { NL3D_MEM_LANDSCAPE_IG if(name=="") return; // try to find this InstanceGroup. ItZoneInstanceGroupMap it; it= _ZoneInstanceGroupMap.find( translateName(name) ); // if found. if( it!= _ZoneInstanceGroupMap.end() ) { // if really added to the scene. if( it->second.AddedToScene ) { // remove from the scene. it->second.Ig->removeFromScene(*_Scene); it->second.AddedToScene= false; } } } // *************************************************************************** bool CLandscapeIGManager::isIGAddedToScene(const std::string &name) const { NL3D_MEM_LANDSCAPE_IG if(name=="") return false; // try to find this InstanceGroup. ConstItZoneInstanceGroupMap it; it= _ZoneInstanceGroupMap.find( translateName(name) ); // if found. if( it!= _ZoneInstanceGroupMap.end() ) return it->second.AddedToScene; else return false; } // *************************************************************************** UInstanceGroup *CLandscapeIGManager::getIG(const std::string &name) const { NL3D_MEM_LANDSCAPE_IG if(name=="") return NULL; // try to find this InstanceGroup. ConstItZoneInstanceGroupMap it; it= _ZoneInstanceGroupMap.find( translateName(name) ); // if found. if( it!= _ZoneInstanceGroupMap.end() ) return it->second.Ig; else return NULL; } // *************************************************************************** std::string CLandscapeIGManager::translateName(const std::string &name) const { NL3D_MEM_LANDSCAPE_IG std::string ret; ret= name + ".ig"; strupr(ret); return ret; } // *************************************************************************** void CLandscapeIGManager::reset() { NL3D_MEM_LANDSCAPE_IG while( _ZoneInstanceGroupMap.begin() != _ZoneInstanceGroupMap.end() ) { string name= _ZoneInstanceGroupMap.begin()->first; // first remove from scene unloadZoneIG( name.substr(0, name.find('.')) ); // then delete this entry. _ZoneInstanceGroupMap.begin()->second.release(); _ZoneInstanceGroupMap.erase(_ZoneInstanceGroupMap.begin()); } _Scene=NULL; } // *************************************************************************** void CLandscapeIGManager::reloadAllIgs() { NL3D_MEM_LANDSCAPE_IG vector<std::string> bkupIgFileNameList; vector<bool> bkupIgAddedToScene; // First, erase all igs. while( _ZoneInstanceGroupMap.begin() != _ZoneInstanceGroupMap.end() ) { string name= _ZoneInstanceGroupMap.begin()->first; // bkup the state of this ig. bkupIgFileNameList.push_back(_ZoneInstanceGroupMap.begin()->second.FileName); bkupIgAddedToScene.push_back(_ZoneInstanceGroupMap.begin()->second.AddedToScene); // first remove from scene unloadZoneIG( name.substr(0, name.find('.')) ); // then delete this entry. _ZoneInstanceGroupMap.begin()->second.release(); _ZoneInstanceGroupMap.erase(_ZoneInstanceGroupMap.begin()); } // Then reload all Igs. for(uint i=0; i<bkupIgFileNameList.size(); i++) { const char *token= bkupIgFileNameList[i].c_str(); UInstanceGroup *ig = UInstanceGroup::createInstanceGroup(token); // add it to the map. string tokId= token; strupr(tokId); _ZoneInstanceGroupMap[tokId]= CInstanceGroupElement(ig, token); // If was addedToScene before, re-add to scene now. if(bkupIgAddedToScene[i]) { loadZoneIG( tokId.substr(0, tokId.find('.')) ); } } } // *************************************************************************** void CLandscapeIGManager::getAllIG(std::vector<UInstanceGroup *> &dest) const { NL3D_MEM_LANDSCAPE_IG dest.clear(); dest.reserve(_ZoneInstanceGroupMap.size()); // add the instances for(TZoneInstanceGroupMap::const_iterator it = _ZoneInstanceGroupMap.begin(); it != _ZoneInstanceGroupMap.end(); ++it) { dest.push_back(it->second.Ig); } } // *************************************************************************** void CLandscapeIGManager::getAllIGWithNames(std::vector<std::pair<UInstanceGroup *, std::string> > &dest) const { NL3D_MEM_LANDSCAPE_IG dest.clear(); dest.reserve(_ZoneInstanceGroupMap.size()); // add the instances for(TZoneInstanceGroupMap::const_iterator it = _ZoneInstanceGroupMap.begin(); it != _ZoneInstanceGroupMap.end(); ++it) { dest.push_back(std::make_pair(it->second.Ig, it->second.FileName)); } } } // NL3D