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Documentation                       Search   zone_manager.cpp Go to the documentation of this file. /* Copyright, 2000 Nevrax Ltd. * * This file is part of NEVRAX D.T.C. SYSTEM. * NEVRAX D.T.C. SYSTEM 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 D.T.C. SYSTEM 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 D.T.C. SYSTEM; 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 <iostream> #include "3d/zone_manager.h" #include "nel/misc/path.h" #include "nel/misc/file.h" using namespace std; using namespace NLMISC; namespace NL3D { // ------------------------------------------------------------------------------------------------ // CZoneManager // ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------ CZoneManager::CZoneManager() { _Zone = NULL; _AddingZone= false; _RemovingZone= false; _WorkInProgress = false; } // ------------------------------------------------------------------------------------------------ CZoneManager::~CZoneManager() { } // ------------------------------------------------------------------------------------------------ void CZoneManager::checkZonesAround (uint x, uint y, uint area) { _WorkInProgress = true; if ((_AddingZone) || (_RemovingZone)) return; // Obtain the new set of zones around if ((x != _LastX) || (y != _LastY)) getListZoneId (x, y, area, _ZoneList); _LastX = x; _LastY = y; // Look if we have zone loaded that is not needed anymore uint32 i, j; for (i = 0; i < _LoadedZones.size(); ++i) { // If the loadedzone i do not appear in the zone list so we have to remove it bool bFound = false; uint16 nLoadedZone = _LoadedZones[i]; for (j = 0; j < _ZoneList.size(); ++j) { if (_ZoneList[j] == nLoadedZone) { bFound = true; break; } } if (!bFound) { // Remove the zone nLoadedZone _IdZoneToRemove = nLoadedZone; _RemovingZone = true; return; } } // Look if we have zone not already loaded for (i = 0; i < _ZoneList.size(); ++i) { // If the zone requested do not appear in the zone loaded list so we have to load it bool bFound = false; uint16 nZone = _ZoneList[i]; for (j = 0; j < _LoadedZones.size(); ++j) { if (_LoadedZones[j] == nZone) { bFound = true; break; } } if (!bFound) { // We have to load this zone ! and return because only one load at a time _AddingZone = true; CAsyncFileManager &rAFM = CAsyncFileManager::getInstance(); _ZoneToAddName = getZoneNameFromId(nZone); _ZoneToAddId = nZone; rAFM.addTask (new CZoneLoadingTask(_ZoneToAddName, &_Zone) ); return; } } _WorkInProgress = false; } // ------------------------------------------------------------------------------------------------ bool CZoneManager::isWorkComplete (CZoneManager::SZoneManagerWork &rWork) { // Check if the work is a loading if (_AddingZone) { if (_Zone != NULL) { _AddingZone= false; rWork.ZoneAdded = true; rWork.NameZoneAdded = _ZoneToAddName; rWork.ZoneRemoved = false; rWork.IdZoneToRemove = 0; rWork.NameZoneRemoved = ""; rWork.Zone = const_cast<CZone*>(_Zone); _LoadedZones.push_back (_ZoneToAddId); return true; } else { return false; } } if (_RemovingZone) { _RemovingZone = false; rWork.ZoneAdded = false; rWork.NameZoneAdded = ""; rWork.ZoneRemoved = true; rWork.IdZoneToRemove = _IdZoneToRemove; rWork.NameZoneRemoved = getZoneNameFromId(_IdZoneToRemove); uint32 i, j; for (i = 0 ; i < _LoadedZones.size(); ++i) if (_LoadedZones[i] == _IdZoneToRemove) break; if (i < _LoadedZones.size()) { for (j = i; j < _LoadedZones.size()-1; ++j) _LoadedZones[j] = _LoadedZones[j+1]; _LoadedZones.resize(_LoadedZones.size()-1); } rWork.Zone = NULL; return true; } return false; } // ------------------------------------------------------------------------------------------------ // CZoneLoadingTask // ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------ CZoneLoadingTask::CZoneLoadingTask(const std::string &sZoneName, TVolatileZonePtr *ppZone) { *ppZone = NULL; _Zone = ppZone; _ZoneName = sZoneName; } // ------------------------------------------------------------------------------------------------ void CZoneLoadingTask::run(void) { // Lookup the zone string zonePathLookup = CPath::lookup (_ZoneName, false, false, true); if (zonePathLookup == "") zonePathLookup = _ZoneName; CZone *ZoneTmp = new CZone; CIFile file; if(file.open(zonePathLookup)) { ZoneTmp->serial(file); file.close(); *_Zone = ZoneTmp; } else { nldebug("CZoneLoadingTask::run(): File not found: %s", zonePathLookup.c_str ()); delete ZoneTmp; *_Zone = (CZone*)-1; // Return error } delete this; } } // NL3D