src/game/Map.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_MAP_H
  20 #define MANGOS_MAP_H
  21
  22 #include "Platform/Define.h"
  23 #include "Policies/ThreadingModel.h"
  24 #include "ace/RW_Thread_Mutex.h"
  25 #include "ace/Thread_Mutex.h"
  26
  27 #include "DBCStructure.h"
  28 #include "GridDefines.h"
  29 #include "Cell.h"
  30 #include "Object.h"
  31 #include "Timer.h"
  32 #include "SharedDefines.h"
  33 #include "GameSystem/GridRefManager.h"
  34 #include "MapRefManager.h"
  35
  36 #include <bitset>
  37 #include <list>
  38
  39 class Unit;
  40 class WorldPacket;
  41 class InstanceData;
  42 class Group;
  43 class InstanceSave;
  44 struct ScriptInfo;
  45 struct ScriptAction;
  46
  47
  48 typedef ACE_RW_Thread_Mutex GridRWLock;
  49
  50 template<class MUTEX, class LOCK_TYPE>
  51 struct RGuard
  52 {
  53     RGuard(MUTEX &l) : i_lock(l.getReadLock()) {}
  54     MaNGOS::GeneralLock<LOCK_TYPE> i_lock;
  55 };
  56
  57 template<class MUTEX, class LOCK_TYPE>
  58 struct WGuard
  59 {
  60     WGuard(MUTEX &l) : i_lock(l.getWriteLock()) {}
  61     MaNGOS::GeneralLock<LOCK_TYPE> i_lock;
  62 };
  63
  64 typedef RGuard<GridRWLock, ACE_Thread_Mutex> GridReadGuard;
  65 typedef WGuard<GridRWLock, ACE_Thread_Mutex> GridWriteGuard;
  66 typedef MaNGOS::SingleThreaded<GridRWLock>::Lock NullGuard;
  67
  68 //******************************************
  69 // Map file format defines
  70 //******************************************
  71 #define MAP_MAGIC             'SPAM'
  72 #define MAP_VERSION_MAGIC     '0.1w'
  73 #define MAP_AREA_MAGIC        'AERA'
  74 #define MAP_HEIGHT_MAGIC      'TGHM'
  75 #define MAP_LIQUID_MAGIC      'QILM'
  76
  77 struct map_fileheader
  78 {
  79     uint32 mapMagic;
  80     uint32 versionMagic;
  81     uint32 areaMapOffset;
  82     uint32 areaMapSize;
  83     uint32 heightMapOffset;
  84     uint32 heightMapSize;
  85     uint32 liquidMapOffset;
  86     uint32 liquidMapSize;
  87 };
  88
  89 #define MAP_AREA_NO_AREA      0x0001
  90
  91 struct map_areaHeader
  92 {
  93     uint32 fourcc;
  94     uint16 flags;
  95     uint16 gridArea;
  96 };
  97
  98 #define MAP_HEIGHT_NO_HEIGHT  0x0001
  99 #define MAP_HEIGHT_AS_INT16   0x0002
 100 #define MAP_HEIGHT_AS_INT8    0x0004
 101
 102 struct map_heightHeader
 103 {
 104     uint32 fourcc;
 105     uint32 flags;
 106     float  gridHeight;
 107     float  gridMaxHeight;
 108 };
 109
 110 #define MAP_LIQUID_NO_TYPE    0x0001
 111 #define MAP_LIQUID_NO_HEIGHT  0x0002
 112
 113 struct map_liquidHeader
 114 {
 115     uint32 fourcc;
 116     uint16 flags;
 117     uint16 liquidType;
 118     uint8  offsetX;
 119     uint8  offsetY;
 120     uint8  width;
 121     uint8  height;
 122     float  liquidLevel;
 123 };
 124
 125 enum ZLiquidStatus
 126 {
 127     LIQUID_MAP_NO_WATER     = 0x00000000,
 128     LIQUID_MAP_ABOVE_WATER  = 0x00000001,
 129     LIQUID_MAP_WATER_WALK   = 0x00000002,
 130     LIQUID_MAP_IN_WATER     = 0x00000004,
 131     LIQUID_MAP_UNDER_WATER  = 0x00000008
 132 };
 133
 134 #define MAP_LIQUID_TYPE_NO_WATER    0x00
 135 #define MAP_LIQUID_TYPE_WATER       0x01
 136 #define MAP_LIQUID_TYPE_OCEAN       0x02
 137 #define MAP_LIQUID_TYPE_MAGMA       0x04
 138 #define MAP_LIQUID_TYPE_SLIME       0x08
 139
 140 #define MAP_ALL_LIQUIDS   (MAP_LIQUID_TYPE_WATER | MAP_LIQUID_TYPE_OCEAN | MAP_LIQUID_TYPE_MAGMA | MAP_LIQUID_TYPE_SLIME)
 141
 142 #define MAP_LIQUID_TYPE_DARK_WATER  0x10
 143 #define MAP_LIQUID_TYPE_WMO_WATER   0x20
 144
 145 struct LiquidData
 146 {
 147     uint32 type;
 148     float  level;
 149     float  depth_level;
 150 };
 151
 152 class GridMap
 153 {
 154     uint32  m_flags;
 155     // Area data
 156     uint16  m_gridArea;
 157     uint16 *m_area_map;
 158     // Height level data
 159     float   m_gridHeight;
 160     float   m_gridIntHeightMultiplier;
 161     union{
 162         float  *m_V9;
 163         uint16 *m_uint16_V9;
 164         uint8  *m_uint8_V9;
 165     };
 166     union{
 167         float  *m_V8;
 168         uint16 *m_uint16_V8;
 169         uint8  *m_uint8_V8;
 170     };
 171     // Liquid data
 172     uint16  m_liquidType;
 173     uint8   m_liquid_offX;
 174     uint8   m_liquid_offY;
 175     uint8   m_liquid_width;
 176     uint8   m_liquid_height;
 177     float   m_liquidLevel;
 178     uint8  *m_liquid_type;
 179     float  *m_liquid_map;
 180
 181     bool  loadAreaData(FILE *in, uint32 offset, uint32 size);
 182     bool  loadHeihgtData(FILE *in, uint32 offset, uint32 size);
 183     bool  loadLiquidData(FILE *in, uint32 offset, uint32 size);
 184
 185     // Get height functions and pointers
 186     typedef float (GridMap::*pGetHeightPtr) (float x, float y) const;
 187     pGetHeightPtr m_gridGetHeight;
 188     float  getHeightFromFloat(float x, float y) const;
 189     float  getHeightFromUint16(float x, float y) const;
 190     float  getHeightFromUint8(float x, float y) const;
 191     float  getHeightFromFlat(float x, float y) const;
 192
 193 public:
 194     GridMap();
 195     ~GridMap();
 196     bool  loadData(char *filaname);
 197     void  unloadData();
 198
 199     uint16 getArea(float x, float y);
 200     inline float getHeight(float x, float y) {return (this->*m_gridGetHeight)(x, y);}
 201     float  getLiquidLevel(float x, float y);
 202     uint8  getTerrainType(float x, float y);
 203     ZLiquidStatus getLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, LiquidData *data = 0);
 204 };
 205
 206 struct CreatureMover
 207 {
 208     CreatureMover() : x(0), y(0), z(0), ang(0) {}
 209     CreatureMover(float _x, float _y, float _z, float _ang) : x(_x), y(_y), z(_z), ang(_ang) {}
 210
 211     float x, y, z, ang;
 212 };
 213
 214 // GCC have alternative #pragma pack(N) syntax and old gcc version not support pack(push,N), also any gcc version not support it at some platform
 215 #if defined( __GNUC__ )
 216 #pragma pack(1)
 217 #else
 218 #pragma pack(push,1)
 219 #endif
 220
 221 struct InstanceTemplate
 222 {
 223     uint32 map;
 224     uint32 parent;
 225     uint32 levelMin;
 226     uint32 levelMax;
 227     uint32 maxPlayers;
 228     uint32 maxPlayersHeroic;
 229     uint32 reset_delay;                                 // FIX ME: now exist normal/heroic raids with possible different time of reset.
 230     float startLocX;
 231     float startLocY;
 232     float startLocZ;
 233     float startLocO;
 234     uint32 script_id;
 235 };
 236
 237 enum LevelRequirementVsMode
 238 {
 239     LEVELREQUIREMENT_HEROIC = 70
 240 };
 241
 242 #if defined( __GNUC__ )
 243 #pragma pack()
 244 #else
 245 #pragma pack(pop)
 246 #endif
 247
 248 typedef UNORDERED_MAP<Creature*, CreatureMover> CreatureMoveList;
 249
 250 #define MAX_HEIGHT            100000.0f                     // can be use for find ground height at surface
 251 #define INVALID_HEIGHT       -100000.0f                     // for check, must be equal to VMAP_INVALID_HEIGHT, real value for unknown height is VMAP_INVALID_HEIGHT_VALUE
 252 #define MIN_UNLOAD_DELAY      1                             // immediate unload
 253
 254 class MANGOS_DLL_SPEC Map : public GridRefManager<NGridType>, public MaNGOS::ObjectLevelLockable<Map, ACE_Thread_Mutex>
 255 {
 256     friend class MapReference;
 257     public:
 258         Map(uint32 id, time_t, uint32 InstanceId, uint8 SpawnMode, Map* _parent = NULL);
 259         virtual ~Map();
 260
 261         // currently unused for normal maps
 262         bool CanUnload(uint32 diff)
 263         {
 264             if(!m_unloadTimer) return false;
 265             if(m_unloadTimer <= diff) return true;
 266             m_unloadTimer -= diff;
 267             return false;
 268         }
 269
 270         virtual bool Add(Player *);
 271         virtual void Remove(Player *, bool);
 272         template<class T> void Add(T *);
 273         template<class T> void Remove(T *, bool);
 274
 275         virtual void Update(const uint32&);
 276
 277         void MessageBroadcast(Player *, WorldPacket *, bool to_self);
 278         void MessageBroadcast(WorldObject *, WorldPacket *);
 279         void MessageDistBroadcast(Player *, WorldPacket *, float dist, bool to_self, bool own_team_only = false);
 280         void MessageDistBroadcast(WorldObject *, WorldPacket *, float dist);
 281
 282         void PlayerRelocation(Player *, float x, float y, float z, float angl);
 283         void CreatureRelocation(Creature *creature, float x, float y, float, float);
 284
 285         template<class LOCK_TYPE, class T, class CONTAINER> void Visit(const CellLock<LOCK_TYPE> &cell, TypeContainerVisitor<T, CONTAINER> &visitor);
 286
 287         bool IsRemovalGrid(float x, float y) const
 288         {
 289             GridPair p = MaNGOS::ComputeGridPair(x, y);
 290             return( !getNGrid(p.x_coord, p.y_coord) || getNGrid(p.x_coord, p.y_coord)->GetGridState() == GRID_STATE_REMOVAL );
 291         }
 292
 293         bool GetUnloadLock(const GridPair &p) const { return getNGrid(p.x_coord, p.y_coord)->getUnloadLock(); }
 294         void SetUnloadLock(const GridPair &p, bool on) { getNGrid(p.x_coord, p.y_coord)->setUnloadExplicitLock(on); }
 295         void LoadGrid(const Cell& cell, bool no_unload = false);
 296         bool UnloadGrid(const uint32 &x, const uint32 &y, bool pForce);
 297         virtual void UnloadAll(bool pForce);
 298
 299         void ResetGridExpiry(NGridType &grid, float factor = 1) const
 300         {
 301             grid.ResetTimeTracker((time_t)((float)i_gridExpiry*factor));
 302         }
 303
 304         time_t GetGridExpiry(void) const { return i_gridExpiry; }
 305         uint32 GetId(void) const { return i_id; }
 306
 307         static bool ExistMap(uint32 mapid, int gx, int gy);
 308         static bool ExistVMap(uint32 mapid, int gx, int gy);
 309
 310         static void InitStateMachine();
 311         static void DeleteStateMachine();
 312
 313         Map const * GetParent() const { return m_parentMap; }
 314
 315         // some calls like isInWater should not use vmaps due to processor power
 316         // can return INVALID_HEIGHT if under z+2 z coord not found height
 317         float GetHeight(float x, float y, float z, bool pCheckVMap=true) const;
 318         bool IsInWater(float x, float y, float z) const;    // does not use z pos. This is for future use
 319
 320         ZLiquidStatus getLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, LiquidData *data = 0) const;
 321
 322         uint16 GetAreaFlag(float x, float y, float z) const;
 323         uint8 GetTerrainType(float x, float y ) const;
 324         float GetWaterLevel(float x, float y ) const;
 325         bool IsUnderWater(float x, float y, float z) const;
 326
 327         static uint32 GetAreaIdByAreaFlag(uint16 areaflag,uint32 map_id);
 328         static uint32 GetZoneIdByAreaFlag(uint16 areaflag,uint32 map_id);
 329         static void GetZoneAndAreaIdByAreaFlag(uint32& zoneid, uint32& areaid, uint16 areaflag,uint32 map_id);
 330
 331         uint32 GetAreaId(float x, float y, float z) const
 332         {
 333             return GetAreaIdByAreaFlag(GetAreaFlag(x,y,z),i_id);
 334         }
 335
 336         uint32 GetZoneId(float x, float y, float z) const
 337         {
 338             return GetZoneIdByAreaFlag(GetAreaFlag(x,y,z),i_id);
 339         }
 340
 341         void GetZoneAndAreaId(uint32& zoneid, uint32& areaid, float x, float y, float z) const
 342         {
 343             GetZoneAndAreaIdByAreaFlag(zoneid,areaid,GetAreaFlag(x,y,z),i_id);
 344         }
 345
 346         virtual void MoveAllCreaturesInMoveList();
 347         virtual void RemoveAllObjectsInRemoveList();
 348
 349         bool CreatureRespawnRelocation(Creature *c);        // used only in MoveAllCreaturesInMoveList and ObjectGridUnloader
 350
 351         // assert print helper
 352         bool CheckGridIntegrity(Creature* c, bool moved) const;
 353
 354         uint32 GetInstanceId() const { return i_InstanceId; }
 355         uint8 GetSpawnMode() const { return (i_spawnMode); }
 356         virtual bool CanEnter(Player* /*player*/) { return true; }
 357         const char* GetMapName() const;
 358
 359         bool Instanceable() const { return i_mapEntry && i_mapEntry->Instanceable(); }
 360         // NOTE: this duplicate of Instanceable(), but Instanceable() can be changed when BG also will be instanceable
 361         bool IsDungeon() const { return i_mapEntry && i_mapEntry->IsDungeon(); }
 362         bool IsRaid() const { return i_mapEntry && i_mapEntry->IsRaid(); }
 363         bool IsHeroic() const { return i_spawnMode == DIFFICULTY_HEROIC; }
 364         bool IsBattleGround() const { return i_mapEntry && i_mapEntry->IsBattleGround(); }
 365         bool IsBattleArena() const { return i_mapEntry && i_mapEntry->IsBattleArena(); }
 366         bool IsBattleGroundOrArena() const { return i_mapEntry && i_mapEntry->IsBattleGroundOrArena(); }
 367         bool GetEntrancePos(int32 &mapid, float &x, float &y)
 368         {
 369             if(!i_mapEntry)
 370                 return false;
 371             if(i_mapEntry->entrance_map < 0)
 372                 return false;
 373             mapid = i_mapEntry->entrance_map;
 374             x = i_mapEntry->entrance_x;
 375             y = i_mapEntry->entrance_y;
 376             return true;
 377         }
 378
 379         void AddObjectToRemoveList(WorldObject *obj);
 380         void DoDelayedMovesAndRemoves();
 381
 382         virtual bool RemoveBones(uint64 guid, float x, float y);
 383
 384         void UpdateObjectVisibility(WorldObject* obj, Cell cell, CellPair cellpair);
 385         void UpdatePlayerVisibility(Player* player, Cell cell, CellPair cellpair);
 386         void UpdateObjectsVisibilityFor(Player* player, Cell cell, CellPair cellpair);
 387
 388         void resetMarkedCells() { marked_cells.reset(); }
 389         bool isCellMarked(uint32 pCellId) { return marked_cells.test(pCellId); }
 390         void markCell(uint32 pCellId) { marked_cells.set(pCellId); }
 391
 392         bool HavePlayers() const { return !m_mapRefManager.isEmpty(); }
 393         uint32 GetPlayersCountExceptGMs() const;
 394         bool ActiveObjectsNearGrid(uint32 x,uint32 y) const;
 395
 396         void SendToPlayers(WorldPacket const* data) const;
 397
 398         typedef MapRefManager PlayerList;
 399         PlayerList const& GetPlayers() const { return m_mapRefManager; }
 400
 401         //per-map script storage
 402         void ScriptsStart(std::map<uint32, std::multimap<uint32, ScriptInfo> > const& scripts, uint32 id, Object* source, Object* target);
 403         void ScriptCommandStart(ScriptInfo const& script, uint32 delay, Object* source, Object* target);
 404
 405         // must called with AddToWorld
 406         template<class T>
 407         void AddToActive(T* obj) { AddToActiveHelper(obj); }
 408
 409         void AddToActive(Creature* obj);
 410
 411         // must called with RemoveFromWorld
 412         template<class T>
 413         void RemoveFromActive(T* obj) { RemoveFromActiveHelper(obj); }
 414
 415         void RemoveFromActive(Creature* obj);
 416
 417         Creature* GetCreature(uint64 guid);
 418         GameObject* GetGameObject(uint64 guid);
 419         DynamicObject* GetDynamicObject(uint64 guid);
 420     private:
 421         void LoadMapAndVMap(int gx, int gy);
 422         void LoadVMap(int gx, int gy);
 423         void LoadMap(int gx,int gy, bool reload = false);
 424         GridMap *GetGrid(float x, float y);
 425
 426         void SetTimer(uint32 t) { i_gridExpiry = t < MIN_GRID_DELAY ? MIN_GRID_DELAY : t; }
 427         //uint64 CalculateGridMask(const uint32 &y) const;
 428
 429         void SendInitSelf( Player * player );
 430
 431         void SendInitTransports( Player * player );
 432         void SendRemoveTransports( Player * player );
 433
 434         void PlayerRelocationNotify(Player* player, Cell cell, CellPair cellpair);
 435         void CreatureRelocationNotify(Creature *creature, Cell newcell, CellPair newval);
 436
 437         bool CreatureCellRelocation(Creature *creature, Cell new_cell);
 438
 439         void AddCreatureToMoveList(Creature *c, float x, float y, float z, float ang);
 440         CreatureMoveList i_creaturesToMove;
 441
 442         bool loaded(const GridPair &) const;
 443         void EnsureGridCreated(const GridPair &);
 444         bool EnsureGridLoaded(Cell const&);
 445         void EnsureGridLoadedAtEnter(Cell const&, Player* player = NULL);
 446
 447         void buildNGridLinkage(NGridType* pNGridType) { pNGridType->link(this); }
 448
 449         template<class T> void AddType(T *obj);
 450         template<class T> void RemoveType(T *obj, bool);
 451
 452         NGridType* getNGrid(uint32 x, uint32 y) const
 453         {
 454             return i_grids[x][y];
 455         }
 456
 457         bool isGridObjectDataLoaded(uint32 x, uint32 y) const { return getNGrid(x,y)->isGridObjectDataLoaded(); }
 458         void setGridObjectDataLoaded(bool pLoaded, uint32 x, uint32 y) { getNGrid(x,y)->setGridObjectDataLoaded(pLoaded); }
 459
 460         void setNGrid(NGridType* grid, uint32 x, uint32 y);
 461         void ScriptsProcess();
 462
 463     protected:
 464         void SetUnloadReferenceLock(const GridPair &p, bool on) { getNGrid(p.x_coord, p.y_coord)->setUnloadReferenceLock(on); }
 465
 466         typedef MaNGOS::ObjectLevelLockable<Map, ACE_Thread_Mutex>::Lock Guard;
 467
 468         MapEntry const* i_mapEntry;
 469         uint8 i_spawnMode;
 470         uint32 i_id;
 471         uint32 i_InstanceId;
 472         uint32 m_unloadTimer;
 473
 474         MapRefManager m_mapRefManager;
 475         MapRefManager::iterator m_mapRefIter;
 476
 477         typedef std::set<WorldObject*> ActiveNonPlayers;
 478         ActiveNonPlayers m_activeNonPlayers;
 479         ActiveNonPlayers::iterator m_activeNonPlayersIter;
 480     private:
 481         //used for fast base_map (e.g. MapInstanced class object) search for
 482         //InstanceMaps and BattleGroundMaps...
 483         Map* m_parentMap;
 484
 485         typedef GridReadGuard ReadGuard;
 486         typedef GridWriteGuard WriteGuard;
 487
 488         NGridType* i_grids[MAX_NUMBER_OF_GRIDS][MAX_NUMBER_OF_GRIDS];
 489         GridMap *GridMaps[MAX_NUMBER_OF_GRIDS][MAX_NUMBER_OF_GRIDS];
 490         std::bitset<TOTAL_NUMBER_OF_CELLS_PER_MAP*TOTAL_NUMBER_OF_CELLS_PER_MAP> marked_cells;
 491
 492         time_t i_gridExpiry;
 493
 494         std::set<WorldObject *> i_objectsToRemove;
 495         std::multimap<time_t, ScriptAction> m_scriptSchedule;
 496
 497         // Type specific code for add/remove to/from grid
 498         template<class T>
 499             void AddToGrid(T*, NGridType *, Cell const&);
 500
 501         template<class T>
 502             void AddNotifier(T*, Cell const&, CellPair const&);
 503
 504         template<class T>
 505             void RemoveFromGrid(T*, NGridType *, Cell const&);
 506
 507         template<class T>
 508             void DeleteFromWorld(T*);
 509
 510         template<class T>
 511         void AddToActiveHelper(T* obj)
 512         {
 513             m_activeNonPlayers.insert(obj);
 514         }
 515
 516         template<class T>
 517         void RemoveFromActiveHelper(T* obj)
 518         {
 519             // Map::Update for active object in proccess
 520             if(m_activeNonPlayersIter != m_activeNonPlayers.end())
 521             {
 522                 ActiveNonPlayers::iterator itr = m_activeNonPlayers.find(obj);
 523                 if(itr==m_activeNonPlayersIter)
 524                     ++m_activeNonPlayersIter;
 525                 m_activeNonPlayers.erase(itr);
 526             }
 527             else
 528                 m_activeNonPlayers.erase(obj);
 529         }
 530 };
 531
 532 enum InstanceResetMethod
 533 {
 534     INSTANCE_RESET_ALL,
 535     INSTANCE_RESET_CHANGE_DIFFICULTY,
 536     INSTANCE_RESET_GLOBAL,
 537     INSTANCE_RESET_GROUP_DISBAND,
 538     INSTANCE_RESET_GROUP_JOIN,
 539     INSTANCE_RESET_RESPAWN_DELAY
 540 };
 541
 542 class MANGOS_DLL_SPEC InstanceMap : public Map
 543 {
 544     public:
 545         InstanceMap(uint32 id, time_t, uint32 InstanceId, uint8 SpawnMode, Map* _parent);
 546         ~InstanceMap();
 547         bool Add(Player *);
 548         void Remove(Player *, bool);
 549         void Update(const uint32&);
 550         void CreateInstanceData(bool load);
 551         bool Reset(uint8 method);
 552         uint32 GetScriptId() { return i_script_id; }
 553         InstanceData* GetInstanceData() { return i_data; }
 554         void PermBindAllPlayers(Player *player);
 555         void UnloadAll(bool pForce);
 556         bool CanEnter(Player* player);
 557         void SendResetWarnings(uint32 timeLeft) const;
 558         void SetResetSchedule(bool on);
 559         uint32 GetMaxPlayers() const;
 560     private:
 561         bool m_resetAfterUnload;
 562         bool m_unloadWhenEmpty;
 563         InstanceData* i_data;
 564         uint32 i_script_id;
 565 };
 566
 567 class MANGOS_DLL_SPEC BattleGroundMap : public Map
 568 {
 569     public:
 570         BattleGroundMap(uint32 id, time_t, uint32 InstanceId, Map* _parent);
 571         ~BattleGroundMap();
 572
 573         bool Add(Player *);
 574         void Remove(Player *, bool);
 575         bool CanEnter(Player* player);
 576         void SetUnload();
 577         void UnloadAll(bool pForce);
 578 };
 579
 580 /*inline
 581 uint64
 582 Map::CalculateGridMask(const uint32 &y) const
 583 {
 584     uint64 mask = 1;
 585     mask <<= y;
 586     return mask;
 587 }
 588 */
 589
 590 template<class LOCK_TYPE, class T, class CONTAINER>
 591 inline void
 592 Map::Visit(const CellLock<LOCK_TYPE> &cell, TypeContainerVisitor<T, CONTAINER> &visitor)
 593 {
 594     const uint32 x = cell->GridX();
 595     const uint32 y = cell->GridY();
 596     const uint32 cell_x = cell->CellX();
 597     const uint32 cell_y = cell->CellY();
 598
 599     if( !cell->NoCreate() || loaded(GridPair(x,y)) )
 600     {
 601         EnsureGridLoaded(cell);
 602         //LOCK_TYPE guard(i_info[x][y]->i_lock);
 603         getNGrid(x, y)->Visit(cell_x, cell_y, visitor);
 604     }
 605 }
 606 #endif