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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 TRINITY_MAPMANAGER_H
#define TRINITY_MAPMANAGER_H
#include "GridDefines.h"
#include "IteratorPair.h"
#include "MapUpdater.h"
#include "Position.h"
#include "SharedDefines.h"
#include "UniqueTrackablePtr.h"
#include <boost/dynamic_bitset_fwd.hpp>
#include <map>
#include <shared_mutex>
class Battleground;
class BattlegroundMap;
class Group;
class InstanceLock;
class InstanceMap;
class Map;
class Player;
enum Difficulty : uint8;
class TC_GAME_API MapManager
{
MapManager();
~MapManager();
public:
MapManager(MapManager const&) = delete;
MapManager(MapManager&&) = delete;
MapManager& operator=(MapManager const&) = delete;
MapManager& operator=(MapManager&&) = delete;
static MapManager* instance();
Map* CreateMap(uint32 mapId, Player* player);
Map* FindMap(uint32 mapId, uint32 instanceId) const;
uint32 FindInstanceIdForPlayer(uint32 mapId, Player const* player) const;
void Initialize();
void Update(uint32 diff);
void SetGridCleanUpDelay(uint32 t)
{
if (t < MIN_GRID_DELAY)
i_gridCleanUpDelay = MIN_GRID_DELAY;
else
i_gridCleanUpDelay = t;
}
void SetMapUpdateInterval(uint32 t)
{
if (t < MIN_MAP_UPDATE_DELAY)
t = MIN_MAP_UPDATE_DELAY;
i_timer.SetInterval(t);
i_timer.Reset();
}
void UnloadAll();
static bool IsValidMAP(uint32 mapId);
static bool IsValidMapCoord(uint32 mapid, float x, float y)
{
return IsValidMAP(mapid) && Trinity::IsValidMapCoord(x, y);
}
static bool IsValidMapCoord(uint32 mapid, float x, float y, float z)
{
return IsValidMAP(mapid) && Trinity::IsValidMapCoord(x, y, z);
}
static bool IsValidMapCoord(uint32 mapid, float x, float y, float z, float o)
{
return IsValidMAP(mapid) && Trinity::IsValidMapCoord(x, y, z, o);
}
static bool IsValidMapCoord(uint32 mapid, Position const& pos)
{
return IsValidMapCoord(mapid, pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ(), pos.GetOrientation());
}
static bool IsValidMapCoord(WorldLocation const& loc)
{
return IsValidMapCoord(loc.GetMapId(), loc);
}
void InitializeVisibilityDistanceInfo();
/* statistics */
uint32 GetNumInstances() const;
uint32 GetNumPlayersInInstances() const;
// Instance ID management
void InitInstanceIds();
uint32 GenerateInstanceId();
void RegisterInstanceId(uint32 instanceId);
void FreeInstanceId(uint32 instanceId);
MapUpdater * GetMapUpdater() { return &m_updater; }
template<typename Worker>
void DoForAllMaps(Worker&& worker);
template<typename Worker>
void DoForAllMapsWithMapId(uint32 mapId, Worker&& worker);
void IncreaseScheduledScriptsCount() { ++_scheduledScripts; }
void DecreaseScheduledScriptCount() { --_scheduledScripts; }
void DecreaseScheduledScriptCount(std::size_t count) { _scheduledScripts -= count; }
bool IsScriptScheduled() const { return _scheduledScripts > 0; }
void AddSC_BuiltInScripts();
private:
using MapKey = std::pair<uint32, uint32>;
typedef std::map<MapKey, Trinity::unique_trackable_ptr<Map>> MapMapType;
typedef boost::dynamic_bitset<size_t> InstanceIds;
Map* FindMap_i(uint32 mapId, uint32 instanceId) const;
Map* CreateWorldMap(uint32 mapId, uint32 instanceId);
InstanceMap* CreateInstance(uint32 mapId, uint32 instanceId, InstanceLock* instanceLock, Difficulty difficulty, TeamId team, Group* group);
BattlegroundMap* CreateBattleground(uint32 mapId, uint32 instanceId, Battleground* bg);
bool DestroyMap(Map* map);
mutable std::shared_mutex _mapsLock;
uint32 i_gridCleanUpDelay;
MapMapType i_maps;
IntervalTimer i_timer;
std::unique_ptr<InstanceIds> _freeInstanceIds;
uint32 _nextInstanceId;
MapUpdater m_updater;
// atomic op counter for active scripts amount
std::atomic<std::size_t> _scheduledScripts;
};
template<typename Worker>
void MapManager::DoForAllMaps(Worker&& worker)
{
std::shared_lock<std::shared_mutex> lock(_mapsLock);
for (auto const& [key, map] : i_maps)
worker(map.get());
}
template<typename Worker>
void MapManager::DoForAllMapsWithMapId(uint32 mapId, Worker&& worker)
{
std::shared_lock<std::shared_mutex> lock(_mapsLock);
auto range = Trinity::Containers::MakeIteratorPair(
i_maps.lower_bound({ mapId, 0 }),
i_maps.upper_bound({ mapId, std::numeric_limits<uint32>::max() })
);
for (auto const& [key, map] : range)
worker(map.get());
}
#define sMapMgr MapManager::instance()
#endif
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