src/game/MapManager.h

   1 /*
   2  * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #ifndef MANGOS_MAPMANAGER_H
  20 #define MANGOS_MAPMANAGER_H
  21
  22 #include "Platform/Define.h"
  23 #include "Policies/Singleton.h"
  24 #include "zthread/Mutex.h"
  25 #include "Common.h"
  26 #include "Map.h"
  27 #include "GridStates.h"
  28
  29 class Transport;
  30
  31 class MANGOS_DLL_DECL MapManager : public MaNGOS::Singleton<MapManager, MaNGOS::ClassLevelLockable<MapManager, ZThread::Mutex> >
  32 {
  33
  34     friend class MaNGOS::OperatorNew<MapManager>;
  35     typedef UNORDERED_MAP<uint32, Map*> MapMapType;
  36     typedef std::pair<UNORDERED_MAP<uint32, Map*>::iterator, bool>  MapMapPair;
  37
  38     public:
  39
  40         Map* GetMap(uint32, const WorldObject* obj);
  41         Map* FindMap(uint32 mapid) { return _findMap(mapid); }
  42         Map* FindMap(uint32 mapid, uint32 instanceId);
  43
  44         // only const version for outer users
  45         Map const* GetBaseMap(uint32 id) const { return const_cast<MapManager*>(this)->_GetBaseMap(id); }
  46         void DeleteInstance(uint32 mapid, uint32 instanceId);
  47
  48         uint16 GetAreaFlag(uint32 mapid, float x, float y, float z) const
  49         {
  50             Map const* m = GetBaseMap(mapid);
  51             return m->GetAreaFlag(x, y, z);
  52         }
  53         uint32 GetAreaId(uint32 mapid, float x, float y, float z) const
  54         {
  55             return Map::GetAreaIdByAreaFlag(GetAreaFlag(mapid, x, y, z),mapid);
  56         }
  57         uint32 GetZoneId(uint32 mapid, float x, float y, float z) const
  58         {
  59             return Map::GetZoneIdByAreaFlag(GetAreaFlag(mapid, x, y, z),mapid);
  60         }
  61         void GetZoneAndAreaId(uint32& zoneid, uint32& areaid, uint32 mapid, float x, float y, float z)
  62         {
  63             Map::GetZoneAndAreaIdByAreaFlag(zoneid,areaid,GetAreaFlag(mapid, x, y, z),mapid);
  64         }
  65
  66         void Initialize(void);
  67         void Update(uint32);
  68
  69         void SetGridCleanUpDelay(uint32 t)
  70         {
  71             if( t < MIN_GRID_DELAY )
  72                 i_gridCleanUpDelay = MIN_GRID_DELAY;
  73             else
  74                 i_gridCleanUpDelay = t;
  75         }
  76
  77         void SetMapUpdateInterval(uint32 t)
  78         {
  79             if( t > MIN_MAP_UPDATE_DELAY )
  80                 t = MIN_MAP_UPDATE_DELAY;
  81
  82             i_timer.SetInterval(t);
  83             i_timer.Reset();
  84         }
  85
  86         void LoadGrid(int mapid, float x, float y, const WorldObject* obj, bool no_unload = false);
  87         void UnloadAll();
  88
  89         static bool ExistMapAndVMap(uint32 mapid, float x, float y);
  90         static bool IsValidMAP(uint32 mapid);
  91
  92         static bool IsValidMapCoord(uint32 mapid, float x,float y)
  93         {
  94             return IsValidMAP(mapid) && MaNGOS::IsValidMapCoord(x,y);
  95         }
  96
  97         static bool IsValidMapCoord(uint32 mapid, float x,float y,float z)
  98         {
  99             return IsValidMAP(mapid) && MaNGOS::IsValidMapCoord(x,y,z);
 100         }
 101
 102         static bool IsValidMapCoord(uint32 mapid, float x,float y,float z,float o)
 103         {
 104             return IsValidMAP(mapid) && MaNGOS::IsValidMapCoord(x,y,z,o);
 105         }
 106
 107         static bool IsValidMapCoord(WorldLocation const& loc)
 108         {
 109             return IsValidMapCoord(loc.mapid,loc.x,loc.y,loc.z,loc.o);
 110         }
 111
 112         void DoDelayedMovesAndRemoves();
 113
 114         void LoadTransports();
 115
 116         typedef std::set<Transport *> TransportSet;
 117         TransportSet m_Transports;
 118
 119         typedef std::map<uint32, TransportSet> TransportMap;
 120         TransportMap m_TransportsByMap;
 121
 122         bool CanPlayerEnter(uint32 mapid, Player* player);
 123         void RemoveBonesFromMap(uint32 mapid, uint64 guid, float x, float y);
 124         uint32 GenerateInstanceId() { return ++i_MaxInstanceId; }
 125         void InitMaxInstanceId();
 126
 127         /* statistics */
 128         uint32 GetNumInstances();
 129         uint32 GetNumPlayersInInstances();
 130
 131     private:
 132         // debugging code, should be deleted some day
 133         void checkAndCorrectGridStatesArray();              // just for debugging to find some memory overwrites
 134         GridState* i_GridStates[MAX_GRID_STATE];            // shadow entries to the global array in Map.cpp
 135         int i_GridStateErrorCount;
 136     private:
 137         MapManager();
 138         ~MapManager();
 139
 140         MapManager(const MapManager &);
 141         MapManager& operator=(const MapManager &);
 142
 143         Map* _GetBaseMap(uint32 id);
 144         Map* _findMap(uint32 id) const
 145         {
 146             MapMapType::const_iterator iter = i_maps.find(id);
 147             return (iter == i_maps.end() ? NULL : iter->second);
 148         }
 149
 150         typedef MaNGOS::ClassLevelLockable<MapManager, ZThread::Mutex>::Lock Guard;
 151         uint32 i_gridCleanUpDelay;
 152         MapMapType i_maps;
 153         IntervalTimer i_timer;
 154
 155         uint32 i_MaxInstanceId;
 156 };
 157 #endif