server/src/framework/GameSystem/GridReference.h
2020-02-17 09:22:26 +00:00

75 lines
2.2 KiB
C++

/**
* MaNGOS is a full featured server for World of Warcraft, supporting
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
*
* Copyright (C) 2005-2014 MaNGOS project <http://getmangos.eu>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
* and lore are copyrighted by Blizzard Entertainment, Inc.
*/
#ifndef _GRIDREFERENCE_H
#define _GRIDREFERENCE_H
#include "Utilities/LinkedReference/Reference.h"
template<class OBJECT> class GridRefManager;
template<class OBJECT>
class MANGOS_DLL_SPEC GridReference : public Reference<GridRefManager<OBJECT>, OBJECT>
{
protected:
void targetObjectBuildLink() override
{
// called from link()
this->getTarget()->insertFirst(this);
this->getTarget()->incSize();
}
void targetObjectDestroyLink() override
{
// called from unlink()
if (this->isValid())
this->getTarget()->decSize();
}
void sourceObjectDestroyLink() override
{
// called from invalidate()
this->getTarget()->decSize();
}
public:
GridReference()
: Reference<GridRefManager<OBJECT>, OBJECT>()
{
}
~GridReference()
{
this->unlink();
}
GridReference* next()
{
return (GridReference*)Reference<GridRefManager<OBJECT>, OBJECT>::next();
}
};
#endif