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TrinityCore/src/server/game/Grids/GridReference.h

53 lines
1.7 KiB
C++

/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* 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, GridReference<OBJECT>>
{
protected:
friend Reference<GridRefManager<OBJECT>, OBJECT, GridReference<OBJECT>>;
void targetObjectBuildLink()
{
// called from link()
this->getTarget()->push_front(this);
this->getTarget()->incSize();
}
void targetObjectDestroyLink()
{
// called from unlink()
if (this->isValid())
this->getTarget()->decSize();
}
void sourceObjectDestroyLink()
{
// called from invalidate()
this->getTarget()->decSize();
}
public:
GridReference() = default;
~GridReference() { this->unlink(); }
};
#endif