GridReference.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef _GRIDREFERENCE_H
#define _GRIDREFERENCE_H

#include "LinkedReference/Reference.h"

template<class OBJECT>
class GridRefManager;

template<class OBJECT>
class 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