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azerothcore-wotlk/src/server/game/Grids/GridReference.h
2021-03-17 09:46:01 -06:00

41 lines
1.2 KiB
C++

/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#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() override { this->unlink(); }
GridReference* next() { return (GridReference*)Reference<GridRefManager<OBJECT>, OBJECT>::next(); }
};
#endif