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/*
* 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 _MAP_UPDATER_H_INCLUDED
#define _MAP_UPDATER_H_INCLUDED
#include "Define.h"
#include <mutex>
#include <thread>
#include <condition_variable>
#include "ProducerConsumerQueue.h"
class MapUpdateRequest;
class Map;
class TC_GAME_API MapUpdater
{
public:
MapUpdater() : _cancelationToken(false), pending_requests(0) {}
~MapUpdater() { };
friend class MapUpdateRequest;
void schedule_update(Map& map, uint32 diff);
void wait();
void activate(size_t num_threads);
void deactivate();
bool activated();
private:
ProducerConsumerQueue<MapUpdateRequest*> _queue;
std::vector<std::thread> _workerThreads;
std::atomic<bool> _cancelationToken;
std::mutex _lock;
std::condition_variable _condition;
size_t pending_requests;
void update_finished();
void WorkerThread();
};
#endif //_MAP_UPDATER_H_INCLUDED
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