ryzom/server/src/gpm_service/cell.cpp

   1 // Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18
  19 #include "stdpch.h"
  20 #include "cell.h"
  21
  22 using namespace std;
  23 using namespace NLMISC;
  24 using namespace NLPACS;
  25
  26
  27 /****************************************************************\
  28  ****************************************************************
  29                                                         CCell
  30  ****************************************************************
  31 \****************************************************************/
  32
  33 // Static cell allocator
  34 CBlockMemory<CCell>                     CCell::_CellAllocator;
  35
  36
  37
  38
  39 /*
  40  * Adds an entity to the cell
  41  */
  42 void    CCell::add(CWorldEntity* entity)
  43 {
  44         // check entity is not null
  45         nlassert(entity != NULL);
  46
  47         // check entity no longer linked
  48         nlassert(entity->CellPtr == NULL);
  49         nlassert(entity->Previous == NULL);
  50         nlassert(entity->Next == NULL);
  51
  52         // insert entity in good list, depending on if it is an object or not
  53         if (entity->getType() == CWorldEntity::Object)
  54         {
  55                 _ObjectsList.insertAtHead(entity);
  56         }
  57         else
  58         {
  59                 _EntitiesList.insertAtHead(entity);
  60
  61                 if (entity->getType() == CWorldEntity::Player && entity->PlayerInfos != NULL)
  62                 {
  63                         _PlayersList.insertAtHead(entity->PlayerInfos);
  64                 }
  65         }
  66
  67         // set CellPtr and Cell id
  68         entity->CellPtr = this;
  69         entity->Cell = _CellId;
  70 }
  71
  72
  73
  74 /*
  75  * Removes an entity from the cell
  76  */
  77 void    CCell::remove(CWorldEntity* entity)
  78 {
  79         // check entity is not null
  80         nlassert(entity != NULL);
  81
  82         // check entity points to this cell
  83         nlassert(entity->CellPtr == this);
  84
  85         // remove entity from good list, depending on if it is an object or not
  86         if (entity->getType() == CWorldEntity::Object)
  87         {
  88                 _ObjectsList.remove(entity);
  89         }
  90         else
  91         {
  92                 _EntitiesList.remove(entity);
  93
  94                 if (entity->getType() == CWorldEntity::Player && entity->PlayerInfos != NULL)
  95                 {
  96                         _PlayersList.remove(entity->PlayerInfos);
  97                 }
  98         }
  99
 100         // reset CellPtr and Cell id
 101         entity->CellPtr = NULL;
 102         //entity->Cell = 0;             // not set at this time, perhaps user somewhere else (CellId 0 might crash!)
 103 }
 104
 105
 106
 107
 108
 109
 110 /****************************************************************\
 111                                                 updateCell()
 112 \****************************************************************/
 113 /*
 114 void CCell::updateCell( CWorldEntity* pWorldEntity )
 115 {
 116         // updateCell should not be called for objects
 117         nlassert(pWorldEntity != NULL && !pWorldEntity->IsStaticObject);
 118
 119         // if entity didn't changed cell, no update
 120         if (pWorldEntity->CellPtr == this)
 121                 return;
 122
 123         // if previously was in a cell, remove it
 124         if( pWorldEntity->CellPtr != NULL )
 125                 pWorldEntity->CellPtr->removeEntity( pWorldEntity );
 126
 127         addEntity(pWorldEntity);
 128 }
 129 */
 130
 131
 132
 133 /****************************************************************\
 134                                                 addEntity()
 135 \****************************************************************/
 136 /*
 137 void CCell::addEntity( CWorldEntity* pWorldEntity )
 138 {
 139         nlassert(pWorldEntity != NULL && pWorldEntity->CellPtr == NULL);
 140
 141         // if entity has vision, update vision stats of the cell
 142         if (pWorldEntity->HasVision)
 143         {
 144                 nlassert(pWorldEntity->PlayerInfos != NULL);
 145
 146                 // add player to players list
 147                 _PlayersList.insertAtHead(pWorldEntity->PlayerInfos);
 148         }
 149
 150         _EntitiesList.insertAtHead(pWorldEntity);
 151
 152 //      if (pWorldEntity->IsInvisible)
 153 //              _InvisiblesList.insertAtHead(pWorldEntity);
 154 //      else
 155 //              _EntitiesList.insertAtHead(pWorldEntity);
 156
 157         pWorldEntity->CellPtr = this;
 158         pWorldEntity->Cell = _CellId;
 159         //CWorldPositionManager::cellUpdated( this );
 160 }
 161 */
 162
 163 /****************************************************************\
 164                                                 addObject()
 165 \****************************************************************/
 166 /*
 167 void CCell::addObject( CWorldEntity* pWorldEntity )
 168 {
 169         nlassert(pWorldEntity->CellPtr == NULL);
 170
 171         _ObjectsList.insertAtHead(pWorldEntity);
 172
 173         pWorldEntity->CellPtr = this;
 174         pWorldEntity->Cell = _CellId;
 175         //CWorldPositionManager::cellUpdated( this );
 176 }
 177 */
 178
 179 /****************************************************************\
 180                                                 removeEntity()
 181 \****************************************************************/
 182 /*
 183 void CCell::removeEntity( CWorldEntity* pWorldEntity )
 184 {
 185         nlassert(pWorldEntity != NULL && pWorldEntity->CellPtr == this);
 186
 187         // if entity has vision
 188         if (pWorldEntity->HasVision)
 189         {
 190                 nlassert(pWorldEntity->PlayerInfos != NULL);
 191
 192                 // removes player from players list
 193                 _PlayersList.remove(pWorldEntity->PlayerInfos);
 194         }
 195
 196         // finds the entity in entities list, and remove it
 197         pWorldEntity->removeFromCellAsEntity();
 198
 199         //CWorldPositionManager::cellUpdated( this );
 200 }
 201 */
 202
 203 /****************************************************************\
 204                                                 removeObject()
 205 \****************************************************************/
 206 /*
 207 void CCell::removeObject( CWorldEntity* pWorldEntity )
 208 {
 209         nlassert(pWorldEntity != NULL && pWorldEntity->CellPtr == this);
 210
 211         // finds the entity in entities list, and remove it
 212         pWorldEntity->removeFromCellAsObject();
 213
 214         //CWorldPositionManager::cellUpdated( this );
 215 }
 216 */