src/game/MapManager.h

   1 /*
   2  * Copyright (C) 2005-2008 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         inline uint16 GetAreaFlag(uint32 mapid, float x, float y) const
  49         {
  50             Map const* m = GetBaseMap(mapid);
  51             return m->GetAreaFlag(x, y);
  52         }
  53         inline uint32 GetAreaId(uint32 mapid, float x, float y) { return Map::GetAreaId(GetAreaFlag(mapid, x, y),mapid); }
  54         inline uint32 GetZoneId(uint32 mapid, float x, float y) { return Map::GetZoneId(GetAreaFlag(mapid, x, y),mapid); }
  55
  56         void Initialize(void);
  57         void Update(time_t);
  58
  59         inline void SetGridCleanUpDelay(uint32 t)
  60         {
  61             if( t < MIN_GRID_DELAY )
  62                 i_gridCleanUpDelay = MIN_GRID_DELAY;
  63             else
  64                 i_gridCleanUpDelay = t;
  65         }
  66
  67         inline void SetMapUpdateInterval(uint32 t)
  68         {
  69             if( t > MIN_MAP_UPDATE_DELAY )
  70                 t = MIN_MAP_UPDATE_DELAY;
  71
  72             i_timer.SetInterval(t);
  73             i_timer.Reset();
  74         }
  75
  76         void LoadGrid(int mapid, float x, float y, const WorldObject* obj, bool no_unload = false);
  77         void UnloadAll();
  78
  79         static bool ExistMapAndVMap(uint32 mapid, float x, float y);
  80         static bool IsValidMAP(uint32 mapid);
  81
  82         static bool IsValidMapCoord(uint32 mapid, float x,float y)
  83         {
  84             return IsValidMAP(mapid) && MaNGOS::IsValidMapCoord(x,y);
  85         }
  86
  87         static bool IsValidMapCoord(uint32 mapid, float x,float y,float z)
  88         {
  89             return IsValidMAP(mapid) && MaNGOS::IsValidMapCoord(x,y,z);
  90         }
  91
  92         static bool IsValidMapCoord(uint32 mapid, float x,float y,float z,float o)
  93         {
  94             return IsValidMAP(mapid) && MaNGOS::IsValidMapCoord(x,y,z,o);
  95         }
  96
  97         void DoDelayedMovesAndRemoves();
  98
  99         void LoadTransports();
 100
 101         typedef std::set<Transport *> TransportSet;
 102         TransportSet m_Transports;
 103
 104         typedef std::map<uint32, TransportSet> TransportMap;
 105         TransportMap m_TransportsByMap;
 106
 107         bool CanPlayerEnter(uint32 mapid, Player* player);
 108         void RemoveBonesFromMap(uint32 mapid, uint64 guid, float x, float y);
 109         inline uint32 GenerateInstanceId() { return ++i_MaxInstanceId; }
 110         void InitMaxInstanceId();
 111
 112         /* statistics */
 113         uint32 GetNumInstances();
 114         uint32 GetNumPlayersInInstances();
 115
 116     private:
 117         // debugging code, should be deleted some day
 118         void checkAndCorrectGridStatesArray();              // just for debugging to find some memory overwrites
 119         GridState* i_GridStates[MAX_GRID_STATE];            // shadow entries to the global array in Map.cpp
 120         int i_GridStateErrorCount;
 121     private:
 122         MapManager();
 123         ~MapManager();
 124
 125         MapManager(const MapManager &);
 126         MapManager& operator=(const MapManager &);
 127
 128         Map* _GetBaseMap(uint32 id);
 129         Map* _findMap(uint32 id) const
 130         {
 131             MapMapType::const_iterator iter = i_maps.find(id);
 132             return (iter == i_maps.end() ? NULL : iter->second);
 133         }
 134
 135         typedef MaNGOS::ClassLevelLockable<MapManager, ZThread::Mutex>::Lock Guard;
 136         uint32 i_gridCleanUpDelay;
 137         MapMapType i_maps;
 138         IntervalTimer i_timer;
 139
 140         uint32 i_MaxInstanceId;
 141 };
 142 #endif