src/game/MapReference.h

   1 /*
   2  * Copyright (C) 2005-2008 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (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 General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #ifndef _MAPREFERENCE_H
  20 #define _MAPREFERENCE_H
  21
  22 #include "Utilities/LinkedReference/Reference.h"
  23 #include "Map.h"
  24
  25 class MANGOS_DLL_SPEC MapReference : public Reference<Map, Player>
  26 {
  27     protected:
  28         void targetObjectBuildLink()
  29         {
  30             // called from link()
  31             getTarget()->m_mapRefManager.insertFirst(this);
  32             getTarget()->m_mapRefManager.incSize();
  33         }
  34         void targetObjectDestroyLink()
  35         {
  36             // called from unlink()
  37             if(isValid()) getTarget()->m_mapRefManager.decSize();
  38         }
  39         void sourceObjectDestroyLink()
  40         {
  41             // called from invalidate()
  42             getTarget()->m_mapRefManager.decSize();
  43         }
  44     public:
  45         MapReference() : Reference<Map, Player>() {}
  46         ~MapReference() { unlink(); }
  47         MapReference *next() { return (MapReference*)Reference<Map, Player>::next(); }
  48         MapReference const *next() const { return (MapReference const*)Reference<Map, Player>::next(); }
  49         MapReference *nockeck_prev() { return (MapReference*)Reference<Map, Player>::nocheck_prev(); }
  50         MapReference const *nocheck_prev() const { return (MapReference const*)Reference<Map, Player>::nocheck_prev(); }
  51 };
  52 #endif