MapInstanced.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 TRINITY_MAP_INSTANCED_H
#define TRINITY_MAP_INSTANCED_H

#include "Map.h"
#include "InstanceSaveMgr.h"
#include "DBCEnums.h"

class GarrisonMap;

class TC_GAME_API MapInstanced : public Map
{
 friend class MapManager;
 public:
 typedef std::unordered_map< uint32, Map*> InstancedMaps;

 MapInstanced(uint32 id, time_t expiry);
 ~MapInstanced() { }

 // functions overwrite Map versions
 void Update(const uint32) override;
 void DelayedUpdate(const uint32 diff) override;
 //void RelocationNotify();
 void UnloadAll() override;
 EnterState CannotEnter(Player* /*player*/) override;

 Map* CreateInstanceForPlayer(const uint32 mapId, Player* player, uint32 loginInstanceId=0);
 Map* FindInstanceMap(uint32 instanceId) const
 {
 InstancedMaps::const_iterator i = m_InstancedMaps.find(instanceId);
 return(i == m_InstancedMaps.end() ? nullptr : i->second);
 }
 bool DestroyInstance(InstancedMaps::iterator &itr);

 void AddGridMapReference(const GridCoord &p)
 {
 ++GridMapReference[p.x_coord][p.y_coord];
 SetUnloadReferenceLock(GridCoord((MAX_NUMBER_OF_GRIDS - 1) - p.x_coord, (MAX_NUMBER_OF_GRIDS - 1) - p.y_coord), true);
 }

 void RemoveGridMapReference(GridCoord const& p)
 {
 --GridMapReference[p.x_coord][p.y_coord];
 if (!GridMapReference[p.x_coord][p.y_coord])
 SetUnloadReferenceLock(GridCoord((MAX_NUMBER_OF_GRIDS - 1) - p.x_coord, (MAX_NUMBER_OF_GRIDS - 1) - p.y_coord), false);
 }

 InstancedMaps &GetInstancedMaps() { return m_InstancedMaps; }
 virtual void InitVisibilityDistance() override;

 private:
 InstanceMap* CreateInstance(uint32 InstanceId, InstanceSave* save, Difficulty difficulty);
 BattlegroundMap* CreateBattleground(uint32 InstanceId, Battleground* bg);
 GarrisonMap* CreateGarrison(uint32 instanceId, Player* owner);

 InstancedMaps m_InstancedMaps;

 uint16 GridMapReference[MAX_NUMBER_OF_GRIDS][MAX_NUMBER_OF_GRIDS];
};
#endif