src/game/GridNotifiers.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_GRIDNOTIFIERS_H
  20 #define MANGOS_GRIDNOTIFIERS_H
  21
  22 #include "ObjectGridLoader.h"
  23 #include "ByteBuffer.h"
  24 #include "UpdateData.h"
  25 #include <iostream>
  26
  27 #include "Corpse.h"
  28 #include "Object.h"
  29 #include "DynamicObject.h"
  30 #include "GameObject.h"
  31 #include "Player.h"
  32 #include "Unit.h"
  33
  34 class Player;
  35 //class Map;
  36
  37 namespace MaNGOS
  38 {
  39
  40     struct MANGOS_DLL_DECL PlayerNotifier
  41     {
  42         explicit PlayerNotifier(Player &pl) : i_player(pl) {}
  43         void Visit(PlayerMapType &);
  44         template<class SKIP> void Visit(GridRefManager<SKIP> &) {}
  45         Player &i_player;
  46     };
  47
  48     struct MANGOS_DLL_DECL VisibleNotifier
  49     {
  50         Player &i_player;
  51         UpdateData i_data;
  52         UpdateDataMapType i_data_updates;
  53         Player::ClientGUIDs i_clientGUIDs;
  54         std::set<WorldObject*> i_visibleNow;
  55
  56         explicit VisibleNotifier(Player &player) : i_player(player),i_clientGUIDs(player.m_clientGUIDs) {}
  57         template<class T> void Visit(GridRefManager<T> &m);
  58         void Visit(PlayerMapType &);
  59         void Notify(void);
  60     };
  61
  62     struct MANGOS_DLL_DECL VisibleChangesNotifier
  63     {
  64         WorldObject &i_object;
  65
  66         explicit VisibleChangesNotifier(WorldObject &object) : i_object(object) {}
  67         template<class T> void Visit(GridRefManager<T> &) {}
  68         void Visit(PlayerMapType &);
  69     };
  70
  71     struct MANGOS_DLL_DECL GridUpdater
  72     {
  73         GridType &i_grid;
  74         uint32 i_timeDiff;
  75         GridUpdater(GridType &grid, uint32 diff) : i_grid(grid), i_timeDiff(diff) {}
  76
  77         template<class T> void updateObjects(GridRefManager<T> &m)
  78         {
  79             for(typename GridRefManager<T>::iterator iter = m.begin(); iter != m.end(); ++iter)
  80                 iter->getSource()->Update(i_timeDiff);
  81         }
  82
  83         void Visit(PlayerMapType &m) { updateObjects<Player>(m); }
  84         void Visit(CreatureMapType &m){ updateObjects<Creature>(m); }
  85         void Visit(GameObjectMapType &m) { updateObjects<GameObject>(m); }
  86         void Visit(DynamicObjectMapType &m) { updateObjects<DynamicObject>(m); }
  87         void Visit(CorpseMapType &m) { updateObjects<Corpse>(m); }
  88     };
  89
  90     struct MANGOS_DLL_DECL MessageDeliverer
  91     {
  92         Player &i_player;
  93         WorldPacket *i_message;
  94         bool i_toSelf;
  95         MessageDeliverer(Player &pl, WorldPacket *msg, bool to_self) : i_player(pl), i_message(msg), i_toSelf(to_self) {}
  96         void Visit(PlayerMapType &m);
  97         template<class SKIP> void Visit(GridRefManager<SKIP> &) {}
  98     };
  99
 100     struct MANGOS_DLL_DECL ObjectMessageDeliverer
 101     {
 102         uint32 i_phaseMask;
 103         WorldPacket *i_message;
 104         explicit ObjectMessageDeliverer(WorldObject& obj, WorldPacket *msg)
 105             : i_phaseMask(obj.GetPhaseMask()), i_message(msg) {}
 106         void Visit(PlayerMapType &m);
 107         template<class SKIP> void Visit(GridRefManager<SKIP> &) {}
 108     };
 109
 110     struct MANGOS_DLL_DECL MessageDistDeliverer
 111     {
 112         Player &i_player;
 113         WorldPacket *i_message;
 114         bool i_toSelf;
 115         bool i_ownTeamOnly;
 116         float i_dist;
 117
 118         MessageDistDeliverer(Player &pl, WorldPacket *msg, float dist, bool to_self, bool ownTeamOnly)
 119             : i_player(pl), i_message(msg), i_toSelf(to_self), i_ownTeamOnly(ownTeamOnly), i_dist(dist) {}
 120         void Visit(PlayerMapType &m);
 121         template<class SKIP> void Visit(GridRefManager<SKIP> &) {}
 122     };
 123
 124     struct MANGOS_DLL_DECL ObjectMessageDistDeliverer
 125     {
 126         WorldObject &i_object;
 127         WorldPacket *i_message;
 128         float i_dist;
 129         ObjectMessageDistDeliverer(WorldObject &obj, WorldPacket *msg, float dist) : i_object(obj), i_message(msg), i_dist(dist) {}
 130         void Visit(PlayerMapType &m);
 131         template<class SKIP> void Visit(GridRefManager<SKIP> &) {}
 132     };
 133
 134     struct MANGOS_DLL_DECL ObjectUpdater
 135     {
 136         uint32 i_timeDiff;
 137         explicit ObjectUpdater(const uint32 &diff) : i_timeDiff(diff) {}
 138         template<class T> void Visit(GridRefManager<T> &m);
 139         void Visit(PlayerMapType &) {}
 140         void Visit(CorpseMapType &) {}
 141         void Visit(CreatureMapType &);
 142     };
 143
 144     template<class T>
 145         struct MANGOS_DLL_DECL ObjectAccessorNotifier
 146     {
 147         T *& i_object;
 148
 149         uint64 i_id;
 150         ObjectAccessorNotifier(T * &obj, uint64 id) : i_object(obj), i_id(id)
 151         {
 152             i_object = NULL;
 153         }
 154
 155         void Visit(GridRefManager<T> &m )
 156         {
 157             if( i_object == NULL )
 158             {
 159                 GridRefManager<T> *iter = m.find(i_id);
 160                 if( iter != m.end() )
 161                 {
 162                     assert( iter->second != NULL );
 163                     i_object = iter->second;
 164                 }
 165             }
 166         }
 167
 168         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 169     };
 170
 171     struct MANGOS_DLL_DECL PlayerRelocationNotifier
 172     {
 173         Player &i_player;
 174         PlayerRelocationNotifier(Player &pl) : i_player(pl) {}
 175         template<class T> void Visit(GridRefManager<T> &) {}
 176         void Visit(PlayerMapType &);
 177         void Visit(CreatureMapType &);
 178     };
 179
 180     struct MANGOS_DLL_DECL CreatureRelocationNotifier
 181     {
 182         Creature &i_creature;
 183         CreatureRelocationNotifier(Creature &c) : i_creature(c) {}
 184         template<class T> void Visit(GridRefManager<T> &) {}
 185         #ifdef WIN32
 186         template<> void Visit(PlayerMapType &);
 187         #endif
 188     };
 189
 190     struct MANGOS_DLL_DECL DynamicObjectUpdater
 191     {
 192         DynamicObject &i_dynobject;
 193         Unit* i_check;
 194         DynamicObjectUpdater(DynamicObject &dynobject, Unit* caster) : i_dynobject(dynobject)
 195         {
 196             i_check = caster;
 197             Unit* owner = i_check->GetOwner();
 198             if(owner)
 199                 i_check = owner;
 200         }
 201
 202         template<class T> inline void Visit(GridRefManager<T>  &) {}
 203         #ifdef WIN32
 204         template<> inline void Visit<Player>(PlayerMapType &);
 205         template<> inline void Visit<Creature>(CreatureMapType &);
 206         #endif
 207
 208         void VisitHelper(Unit* target);
 209     };
 210
 211     // SEARCHERS & LIST SEARCHERS & WORKERS
 212
 213     // WorldObject searchers & workers
 214
 215     template<class Check>
 216         struct MANGOS_DLL_DECL WorldObjectSearcher
 217     {
 218         uint32 i_phaseMask;
 219         WorldObject* &i_object;
 220         Check &i_check;
 221
 222         WorldObjectSearcher(WorldObject const* searcher, WorldObject* & result, Check& check)
 223             : i_phaseMask(searcher->GetPhaseMask()), i_object(result),i_check(check) {}
 224
 225         void Visit(GameObjectMapType &m);
 226         void Visit(PlayerMapType &m);
 227         void Visit(CreatureMapType &m);
 228         void Visit(CorpseMapType &m);
 229         void Visit(DynamicObjectMapType &m);
 230
 231         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 232     };
 233
 234     template<class Check>
 235         struct MANGOS_DLL_DECL WorldObjectListSearcher
 236     {
 237         uint32 i_phaseMask;
 238         std::list<WorldObject*> &i_objects;
 239         Check& i_check;
 240
 241         WorldObjectListSearcher(WorldObject const* searcher, std::list<WorldObject*> &objects, Check & check)
 242             : i_phaseMask(searcher->GetPhaseMask()), i_objects(objects),i_check(check) {}
 243
 244         void Visit(PlayerMapType &m);
 245         void Visit(CreatureMapType &m);
 246         void Visit(CorpseMapType &m);
 247         void Visit(GameObjectMapType &m);
 248         void Visit(DynamicObjectMapType &m);
 249
 250         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 251     };
 252
 253     template<class Do>
 254         struct MANGOS_DLL_DECL WorldObjectWorker
 255     {
 256         uint32 i_phaseMask;
 257         Do const& i_do;
 258
 259         WorldObjectWorker(WorldObject const* searcher, Do const& _do)
 260             : i_phaseMask(searcher->GetPhaseMask()), i_do(_do) {}
 261
 262         void Visit(GameObjectMapType &m)
 263         {
 264             for(GameObjectMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 265                 if(itr->getSource()->InSamePhase(i_phaseMask))
 266                     i_do(itr->getSource());
 267         }
 268
 269         void Visit(PlayerMapType &m)
 270         {
 271             for(PlayerMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 272                 if(itr->getSource()->InSamePhase(i_phaseMask))
 273                     i_do(itr->getSource());
 274         }
 275         void Visit(CreatureMapType &m)
 276         {
 277             for(CreatureMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 278                 if(itr->getSource()->InSamePhase(i_phaseMask))
 279                     i_do(itr->getSource());
 280         }
 281
 282         void Visit(CorpseMapType &m)
 283         {
 284             for(CorpseMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 285                 if(itr->getSource()->InSamePhase(i_phaseMask))
 286                     i_do(itr->getSource());
 287         }
 288
 289         void Visit(DynamicObjectMapType &m)
 290         {
 291             for(DynamicObjectMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 292                 if(itr->getSource()->InSamePhase(i_phaseMask))
 293                     i_do(itr->getSource());
 294         }
 295
 296         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 297     };
 298
 299     // Gameobject searchers
 300
 301     template<class Check>
 302         struct MANGOS_DLL_DECL GameObjectSearcher
 303     {
 304         uint32 i_phaseMask;
 305         GameObject* &i_object;
 306         Check &i_check;
 307
 308         GameObjectSearcher(WorldObject const* searcher, GameObject* & result, Check& check)
 309             : i_phaseMask(searcher->GetPhaseMask()), i_object(result),i_check(check) {}
 310
 311         void Visit(GameObjectMapType &m);
 312
 313         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 314     };
 315
 316     // Last accepted by Check GO if any (Check can change requirements at each call)
 317     template<class Check>
 318         struct MANGOS_DLL_DECL GameObjectLastSearcher
 319     {
 320         uint32 i_phaseMask;
 321         GameObject* &i_object;
 322         Check& i_check;
 323
 324         GameObjectLastSearcher(WorldObject const* searcher, GameObject* & result, Check& check)
 325             : i_phaseMask(searcher->GetPhaseMask()), i_object(result), i_check(check) {}
 326
 327         void Visit(GameObjectMapType &m);
 328
 329         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 330     };
 331
 332     template<class Check>
 333         struct MANGOS_DLL_DECL GameObjectListSearcher
 334     {
 335         uint32 i_phaseMask;
 336         std::list<GameObject*> &i_objects;
 337         Check& i_check;
 338
 339         GameObjectListSearcher(WorldObject const* searcher, std::list<GameObject*> &objects, Check & check)
 340             : i_phaseMask(searcher->GetPhaseMask()), i_objects(objects), i_check(check) {}
 341
 342         void Visit(GameObjectMapType &m);
 343
 344         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 345     };
 346
 347     // Unit searchers
 348
 349     // First accepted by Check Unit if any
 350     template<class Check>
 351         struct MANGOS_DLL_DECL UnitSearcher
 352     {
 353         uint32 i_phaseMask;
 354         Unit* &i_object;
 355         Check & i_check;
 356
 357         UnitSearcher(WorldObject const* searcher, Unit* & result, Check & check)
 358             : i_phaseMask(searcher->GetPhaseMask()), i_object(result),i_check(check) {}
 359
 360         void Visit(CreatureMapType &m);
 361         void Visit(PlayerMapType &m);
 362
 363         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 364     };
 365
 366     // Last accepted by Check Unit if any (Check can change requirements at each call)
 367     template<class Check>
 368         struct MANGOS_DLL_DECL UnitLastSearcher
 369     {
 370         uint32 i_phaseMask;
 371         Unit* &i_object;
 372         Check & i_check;
 373
 374         UnitLastSearcher(WorldObject const* searcher, Unit* & result, Check & check)
 375             : i_phaseMask(searcher->GetPhaseMask()), i_object(result),i_check(check) {}
 376
 377         void Visit(CreatureMapType &m);
 378         void Visit(PlayerMapType &m);
 379
 380         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 381     };
 382
 383     // All accepted by Check units if any
 384     template<class Check>
 385         struct MANGOS_DLL_DECL UnitListSearcher
 386     {
 387         uint32 i_phaseMask;
 388         std::list<Unit*> &i_objects;
 389         Check& i_check;
 390
 391         UnitListSearcher(WorldObject const* searcher, std::list<Unit*> &objects, Check & check)
 392             : i_phaseMask(searcher->GetPhaseMask()), i_objects(objects),i_check(check) {}
 393
 394         void Visit(PlayerMapType &m);
 395         void Visit(CreatureMapType &m);
 396
 397         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 398     };
 399
 400     // Creature searchers
 401
 402     template<class Check>
 403         struct MANGOS_DLL_DECL CreatureSearcher
 404     {
 405         uint32 i_phaseMask;
 406         Creature* &i_object;
 407         Check & i_check;
 408
 409         CreatureSearcher(WorldObject const* searcher, Creature* & result, Check & check)
 410             : i_phaseMask(searcher->GetPhaseMask()), i_object(result),i_check(check) {}
 411
 412         void Visit(CreatureMapType &m);
 413
 414         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 415     };
 416
 417     // Last accepted by Check Creature if any (Check can change requirements at each call)
 418     template<class Check>
 419         struct MANGOS_DLL_DECL CreatureLastSearcher
 420     {
 421         uint32 i_phaseMask;
 422         Creature* &i_object;
 423         Check & i_check;
 424
 425         CreatureLastSearcher(WorldObject const* searcher, Creature* & result, Check & check)
 426             : i_phaseMask(searcher->GetPhaseMask()), i_object(result),i_check(check) {}
 427
 428         void Visit(CreatureMapType &m);
 429
 430         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 431     };
 432
 433     template<class Check>
 434         struct MANGOS_DLL_DECL CreatureListSearcher
 435     {
 436         uint32 i_phaseMask;
 437         std::list<Creature*> &i_objects;
 438         Check& i_check;
 439
 440         CreatureListSearcher(WorldObject const* searcher, std::list<Creature*> &objects, Check & check)
 441             : i_phaseMask(searcher->GetPhaseMask()), i_objects(objects),i_check(check) {}
 442
 443         void Visit(CreatureMapType &m);
 444
 445         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 446     };
 447
 448     // Player searchers
 449
 450     template<class Check>
 451     struct MANGOS_DLL_DECL PlayerSearcher
 452     {
 453         uint32 i_phaseMask;
 454         Player* &i_object;
 455         Check & i_check;
 456
 457         PlayerSearcher(WorldObject const* searcher, Player* & result, Check & check)
 458             : i_phaseMask(searcher->GetPhaseMask()), i_object(result),i_check(check) {}
 459
 460         void Visit(PlayerMapType &m);
 461
 462         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 463     };
 464
 465     template<class Do>
 466     struct MANGOS_DLL_DECL PlayerWorker
 467     {
 468         uint32 i_phaseMask;
 469         Do& i_do;
 470
 471         PlayerWorker(WorldObject const* searcher, Do& _do)
 472             : i_phaseMask(searcher->GetPhaseMask()), i_do(_do) {}
 473
 474         void Visit(PlayerMapType &m)
 475         {
 476             for(PlayerMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 477                 if(itr->getSource()->InSamePhase(i_phaseMask))
 478                     i_do(itr->getSource());
 479         }
 480
 481         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 482     };
 483
 484     template<class Do>
 485     struct MANGOS_DLL_DECL PlayerDistWorker
 486     {
 487         WorldObject const* i_searcher;
 488         float i_dist;
 489         Do& i_do;
 490
 491         PlayerDistWorker(WorldObject const* searcher, float _dist, Do& _do)
 492             : i_searcher(searcher), i_dist(_dist), i_do(_do) {}
 493
 494         void Visit(PlayerMapType &m)
 495         {
 496             for(PlayerMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 497                 if (itr->getSource()->InSamePhase(i_searcher) && itr->getSource()->IsWithinDist(i_searcher,i_dist))
 498                     i_do(itr->getSource());
 499         }
 500
 501         template<class NOT_INTERESTED> void Visit(GridRefManager<NOT_INTERESTED> &) {}
 502     };
 503
 504     // CHECKS && DO classes
 505
 506     // WorldObject check classes
 507     class RaiseDeadObjectCheck
 508     {
 509         public:
 510             RaiseDeadObjectCheck(Unit* funit, float range) : i_funit(funit), i_range(range) {}
 511             bool operator()(Creature* u)
 512             {
 513                 if (i_funit->GetTypeId()!=TYPEID_PLAYER || !((Player*)i_funit)->isHonorOrXPTarget(u) ||
 514                     u->getDeathState() != CORPSE || u->isDeadByDefault() || u->isInFlight() ||
 515                     ( u->GetCreatureTypeMask() & (1 << (CREATURE_TYPE_HUMANOID-1)) )==0 ||
 516                     (u->GetDisplayId() != u->GetNativeDisplayId()))
 517                     return false;
 518
 519                 return i_funit->IsWithinDistInMap(u, i_range);
 520             }
 521             template<class NOT_INTERESTED> bool operator()(NOT_INTERESTED*) { return false; }
 522         private:
 523             Unit* const i_funit;
 524             float i_range;
 525     };
 526
 527     class ExplodeCorpseObjectCheck
 528     {
 529         public:
 530             ExplodeCorpseObjectCheck(Unit* funit, float range) : i_funit(funit), i_range(range) {}
 531             bool operator()(Player* u)
 532             {
 533                 if (u->getDeathState()!=CORPSE || u->isInFlight() ||
 534                     u->HasAuraType(SPELL_AURA_GHOST) || (u->GetDisplayId() != u->GetNativeDisplayId()))
 535                     return false;
 536
 537                 return i_funit->IsWithinDistInMap(u, i_range);
 538             }
 539             bool operator()(Creature* u)
 540             {
 541                 if (u->getDeathState()!=CORPSE || u->isInFlight() || u->isDeadByDefault() ||
 542                     (u->GetDisplayId() != u->GetNativeDisplayId()) ||
 543                     (u->GetCreatureTypeMask() & CREATURE_TYPEMASK_MECHANICAL_OR_ELEMENTAL)!=0)
 544                     return false;
 545
 546                 return i_funit->IsWithinDistInMap(u, i_range);
 547             }
 548             template<class NOT_INTERESTED> bool operator()(NOT_INTERESTED*) { return false; }
 549         private:
 550             Unit* const i_funit;
 551             float i_range;
 552     };
 553
 554     class CannibalizeObjectCheck
 555     {
 556         public:
 557             CannibalizeObjectCheck(Unit* funit, float range) : i_funit(funit), i_range(range) {}
 558             bool operator()(Player* u)
 559             {
 560                 if( i_funit->IsFriendlyTo(u) || u->isAlive() || u->isInFlight() )
 561                     return false;
 562
 563                 return i_funit->IsWithinDistInMap(u, i_range);
 564             }
 565             bool operator()(Corpse* u);
 566             bool operator()(Creature* u)
 567             {
 568                 if (i_funit->IsFriendlyTo(u) || u->isAlive() || u->isInFlight() ||
 569                     (u->GetCreatureTypeMask() & CREATURE_TYPEMASK_HUMANOID_OR_UNDEAD)==0)
 570                     return false;
 571
 572                 return i_funit->IsWithinDistInMap(u, i_range);
 573             }
 574             template<class NOT_INTERESTED> bool operator()(NOT_INTERESTED*) { return false; }
 575         private:
 576             Unit* const i_funit;
 577             float i_range;
 578     };
 579
 580     // WorldObject do classes
 581
 582     class RespawnDo
 583     {
 584         public:
 585             RespawnDo() {}
 586             void operator()(Creature* u) const { u->Respawn(); }
 587             void operator()(GameObject* u) const { u->Respawn(); }
 588             void operator()(WorldObject*) const {}
 589             void operator()(Corpse*) const {}
 590     };
 591
 592     // GameObject checks
 593
 594     class GameObjectFocusCheck
 595     {
 596         public:
 597             GameObjectFocusCheck(Unit const* unit,uint32 focusId) : i_unit(unit), i_focusId(focusId) {}
 598             bool operator()(GameObject* go) const
 599             {
 600                 if(go->GetGOInfo()->type != GAMEOBJECT_TYPE_SPELL_FOCUS)
 601                     return false;
 602
 603                 if(go->GetGOInfo()->spellFocus.focusId != i_focusId)
 604                     return false;
 605
 606                 float dist = go->GetGOInfo()->spellFocus.dist;
 607
 608                 return go->IsWithinDistInMap(i_unit, dist);
 609             }
 610         private:
 611             Unit const* i_unit;
 612             uint32 i_focusId;
 613     };
 614
 615     // Find the nearest Fishing hole and return true only if source object is in range of hole
 616     class NearestGameObjectFishingHole
 617     {
 618         public:
 619             NearestGameObjectFishingHole(WorldObject const& obj, float range) : i_obj(obj), i_range(range) {}
 620             bool operator()(GameObject* go)
 621             {
 622                 if(go->GetGOInfo()->type == GAMEOBJECT_TYPE_FISHINGHOLE && go->isSpawned() && i_obj.IsWithinDistInMap(go, i_range) && i_obj.IsWithinDistInMap(go, go->GetGOInfo()->fishinghole.radius))
 623                 {
 624                     i_range = i_obj.GetDistance(go);
 625                     return true;
 626                 }
 627                 return false;
 628             }
 629             float GetLastRange() const { return i_range; }
 630         private:
 631             WorldObject const& i_obj;
 632             float  i_range;
 633
 634             // prevent clone
 635             NearestGameObjectFishingHole(NearestGameObjectFishingHole const&);
 636     };
 637
 638     // Success at unit in range, range update for next check (this can be use with GameobjectLastSearcher to find nearest GO)
 639     class NearestGameObjectEntryInObjectRangeCheck
 640     {
 641         public:
 642             NearestGameObjectEntryInObjectRangeCheck(WorldObject const& obj,uint32 entry, float range) : i_obj(obj), i_entry(entry), i_range(range) {}
 643             bool operator()(GameObject* go)
 644             {
 645                 if(go->GetEntry() == i_entry && i_obj.IsWithinDistInMap(go, i_range))
 646                 {
 647                     i_range = i_obj.GetDistance(go);        // use found GO range as new range limit for next check
 648                     return true;
 649                 }
 650                 return false;
 651             }
 652             float GetLastRange() const { return i_range; }
 653         private:
 654             WorldObject const& i_obj;
 655             uint32 i_entry;
 656             float  i_range;
 657
 658             // prevent clone this object
 659             NearestGameObjectEntryInObjectRangeCheck(NearestGameObjectEntryInObjectRangeCheck const&);
 660     };
 661
 662     class GameObjectWithDbGUIDCheck
 663     {
 664         public:
 665             GameObjectWithDbGUIDCheck(WorldObject const& obj,uint32 db_guid) : i_obj(obj), i_db_guid(db_guid) {}
 666             bool operator()(GameObject const* go) const
 667             {
 668                 return go->GetDBTableGUIDLow() == i_db_guid;
 669             }
 670         private:
 671             WorldObject const& i_obj;
 672             uint32 i_db_guid;
 673     };
 674
 675     // Unit checks
 676
 677     class MostHPMissingInRange
 678     {
 679         public:
 680             MostHPMissingInRange(Unit const* obj, float range, uint32 hp) : i_obj(obj), i_range(range), i_hp(hp) {}
 681             bool operator()(Unit* u)
 682             {
 683                 if(u->isAlive() && u->isInCombat() && !i_obj->IsHostileTo(u) && i_obj->IsWithinDistInMap(u, i_range) && u->GetMaxHealth() - u->GetHealth() > i_hp)
 684                 {
 685                     i_hp = u->GetMaxHealth() - u->GetHealth();
 686                     return true;
 687                 }
 688                 return false;
 689             }
 690         private:
 691             Unit const* i_obj;
 692             float i_range;
 693             uint32 i_hp;
 694     };
 695
 696     class FriendlyCCedInRange
 697     {
 698         public:
 699             FriendlyCCedInRange(Unit const* obj, float range) : i_obj(obj), i_range(range) {}
 700             bool operator()(Unit* u)
 701             {
 702                 if(u->isAlive() && u->isInCombat() && !i_obj->IsHostileTo(u) && i_obj->IsWithinDistInMap(u, i_range) &&
 703                     (u->isFeared() || u->isCharmed() || u->isFrozen() || u->hasUnitState(UNIT_STAT_STUNNED) || u->hasUnitState(UNIT_STAT_CONFUSED)))
 704                 {
 705                     return true;
 706                 }
 707                 return false;
 708             }
 709         private:
 710             Unit const* i_obj;
 711             float i_range;
 712     };
 713
 714     class FriendlyMissingBuffInRange
 715     {
 716         public:
 717             FriendlyMissingBuffInRange(Unit const* obj, float range, uint32 spellid) : i_obj(obj), i_range(range), i_spell(spellid) {}
 718             bool operator()(Unit* u)
 719             {
 720                 if(u->isAlive() && u->isInCombat() && !i_obj->IsHostileTo(u) && i_obj->IsWithinDistInMap(u, i_range) &&
 721                     !(u->HasAura(i_spell, 0) || u->HasAura(i_spell, 1) || u->HasAura(i_spell, 2)))
 722                 {
 723                     return true;
 724                 }
 725                 return false;
 726             }
 727         private:
 728             Unit const* i_obj;
 729             float i_range;
 730             uint32 i_spell;
 731     };
 732
 733     class AnyUnfriendlyUnitInObjectRangeCheck
 734     {
 735         public:
 736             AnyUnfriendlyUnitInObjectRangeCheck(WorldObject const* obj, Unit const* funit, float range) : i_obj(obj), i_funit(funit), i_range(range) {}
 737             bool operator()(Unit* u)
 738             {
 739                 if(u->isAlive() && i_obj->IsWithinDistInMap(u, i_range) && !i_funit->IsFriendlyTo(u))
 740                     return true;
 741                 else
 742                     return false;
 743             }
 744         private:
 745             WorldObject const* i_obj;
 746             Unit const* i_funit;
 747             float i_range;
 748     };
 749
 750     class AnyFriendlyUnitInObjectRangeCheck
 751     {
 752         public:
 753             AnyFriendlyUnitInObjectRangeCheck(WorldObject const* obj, Unit const* funit, float range) : i_obj(obj), i_funit(funit), i_range(range) {}
 754             bool operator()(Unit* u)
 755             {
 756                 if(u->isAlive() && i_obj->IsWithinDistInMap(u, i_range) && i_funit->IsFriendlyTo(u))
 757                     return true;
 758                 else
 759                     return false;
 760             }
 761         private:
 762             WorldObject const* i_obj;
 763             Unit const* i_funit;
 764             float i_range;
 765     };
 766
 767     class AnyUnitInObjectRangeCheck
 768     {
 769         public:
 770             AnyUnitInObjectRangeCheck(WorldObject const* obj, float range) : i_obj(obj), i_range(range) {}
 771             bool operator()(Unit* u)
 772             {
 773                 if(u->isAlive() && i_obj->IsWithinDistInMap(u, i_range))
 774                     return true;
 775
 776                 return false;
 777             }
 778         private:
 779             WorldObject const* i_obj;
 780             float i_range;
 781     };
 782
 783     // Success at unit in range, range update for next check (this can be use with UnitLastSearcher to find nearest unit)
 784     class NearestAttackableUnitInObjectRangeCheck
 785     {
 786         public:
 787             NearestAttackableUnitInObjectRangeCheck(WorldObject const* obj, Unit const* funit, float range) : i_obj(obj), i_funit(funit), i_range(range) {}
 788             bool operator()(Unit* u)
 789             {
 790                 if( u->isTargetableForAttack() && i_obj->IsWithinDistInMap(u, i_range) &&
 791                     !i_funit->IsFriendlyTo(u) && u->isVisibleForOrDetect(i_funit,false)  )
 792                 {
 793                     i_range = i_obj->GetDistance(u);        // use found unit range as new range limit for next check
 794                     return true;
 795                 }
 796
 797                 return false;
 798             }
 799         private:
 800             WorldObject const* i_obj;
 801             Unit const* i_funit;
 802             float i_range;
 803
 804             // prevent clone this object
 805             NearestAttackableUnitInObjectRangeCheck(NearestAttackableUnitInObjectRangeCheck const&);
 806     };
 807
 808     class AnyAoETargetUnitInObjectRangeCheck
 809     {
 810         public:
 811             AnyAoETargetUnitInObjectRangeCheck(WorldObject const* obj, Unit const* funit, float range)
 812                 : i_obj(obj), i_funit(funit), i_range(range)
 813             {
 814                 Unit const* check = i_funit;
 815                 Unit const* owner = i_funit->GetOwner();
 816                 if(owner)
 817                     check = owner;
 818                 i_targetForPlayer = ( check->GetTypeId()==TYPEID_PLAYER );
 819             }
 820             bool operator()(Unit* u)
 821             {
 822                 // Check contains checks for: live, non-selectable, non-attackable flags, flight check and GM check, ignore totems
 823                 if (!u->isTargetableForAttack())
 824                     return false;
 825                 if(u->GetTypeId()==TYPEID_UNIT && ((Creature*)u)->isTotem())
 826                     return false;
 827
 828                 if(( i_targetForPlayer ? !i_funit->IsFriendlyTo(u) : i_funit->IsHostileTo(u) )&& i_obj->IsWithinDistInMap(u, i_range))
 829                     return true;
 830
 831                 return false;
 832             }
 833         private:
 834             bool i_targetForPlayer;
 835             WorldObject const* i_obj;
 836             Unit const* i_funit;
 837             float i_range;
 838     };
 839
 840     struct AnyDeadUnitCheck
 841     {
 842         bool operator()(Unit* u) { return !u->isAlive(); }
 843     };
 844
 845     struct AnyStealthedCheck
 846     {
 847         bool operator()(Unit* u) { return u->GetVisibility()==VISIBILITY_GROUP_STEALTH; }
 848     };
 849
 850     // Creature checks
 851
 852     class InAttackDistanceFromAnyHostileCreatureCheck
 853     {
 854         public:
 855             explicit InAttackDistanceFromAnyHostileCreatureCheck(Unit* funit) : i_funit(funit) {}
 856             bool operator()(Creature* u)
 857             {
 858                 if(u->isAlive() && u->IsHostileTo(i_funit) && i_funit->IsWithinDistInMap(u, u->GetAttackDistance(i_funit)))
 859                     return true;
 860
 861                 return false;
 862             }
 863         private:
 864             Unit* const i_funit;
 865     };
 866
 867     class AnyAssistCreatureInRangeCheck
 868     {
 869         public:
 870             AnyAssistCreatureInRangeCheck(Unit* funit, Unit* enemy, float range)
 871                 : i_funit(funit), i_enemy(enemy), i_range(range)
 872             {
 873             }
 874             bool operator()(Creature* u)
 875             {
 876                 if(u == i_funit)
 877                     return false;
 878
 879                 if ( !u->CanAssistTo(i_funit, i_enemy) )
 880                     return false;
 881
 882                 // too far
 883                 if( !i_funit->IsWithinDistInMap(u, i_range) )
 884                     return false;
 885
 886                 // only if see assisted creature
 887                 if( !i_funit->IsWithinLOSInMap(u) )
 888                     return false;
 889
 890                 return true;
 891             }
 892         private:
 893             Unit* const i_funit;
 894             Unit* const i_enemy;
 895             float i_range;
 896     };
 897
 898     // Success at unit in range, range update for next check (this can be use with CreatureLastSearcher to find nearest creature)
 899     class NearestCreatureEntryWithLiveStateInObjectRangeCheck
 900     {
 901         public:
 902             NearestCreatureEntryWithLiveStateInObjectRangeCheck(WorldObject const& obj,uint32 entry, bool alive, float range)
 903                 : i_obj(obj), i_entry(entry), i_alive(alive), i_range(range) {}
 904
 905             bool operator()(Creature* u)
 906             {
 907                 if(u->GetEntry() == i_entry && u->isAlive()==i_alive && i_obj.IsWithinDistInMap(u, i_range))
 908                 {
 909                     i_range = i_obj.GetDistance(u);         // use found unit range as new range limit for next check
 910                     return true;
 911                 }
 912                 return false;
 913             }
 914             float GetLastRange() const { return i_range; }
 915         private:
 916             WorldObject const& i_obj;
 917             uint32 i_entry;
 918             bool   i_alive;
 919             float  i_range;
 920
 921             // prevent clone this object
 922             NearestCreatureEntryWithLiveStateInObjectRangeCheck(NearestCreatureEntryWithLiveStateInObjectRangeCheck const&);
 923     };
 924
 925     class AnyPlayerInObjectRangeCheck
 926     {
 927     public:
 928         AnyPlayerInObjectRangeCheck(WorldObject const* obj, float range) : i_obj(obj), i_range(range) {}
 929         bool operator()(Player* u)
 930         {
 931             if(u->isAlive() && i_obj->IsWithinDistInMap(u, i_range))
 932                 return true;
 933
 934             return false;
 935         }
 936     private:
 937         WorldObject const* i_obj;
 938         float i_range;
 939     };
 940
 941     // Player checks and do
 942
 943     // Prepare using Builder localized packets with caching and send to player
 944     template<class Builder>
 945     class LocalizedPacketDo
 946     {
 947         public:
 948             explicit LocalizedPacketDo(Builder& builder) : i_builder(builder) {}
 949
 950             ~LocalizedPacketDo()
 951             {
 952                 for(size_t i = 0; i < i_data_cache.size(); ++i)
 953                     delete i_data_cache[i];
 954             }
 955             void operator()( Player* p );
 956
 957         private:
 958             Builder& i_builder;
 959             std::vector<WorldPacket*> i_data_cache;         // 0 = default, i => i-1 locale index
 960     };
 961
 962     // Prepare using Builder localized packets with caching and send to player
 963     template<class Builder>
 964     class LocalizedPacketListDo
 965     {
 966         public:
 967             typedef std::vector<WorldPacket*> WorldPacketList;
 968             explicit LocalizedPacketListDo(Builder& builder) : i_builder(builder) {}
 969
 970             ~LocalizedPacketListDo()
 971             {
 972                 for(size_t i = 0; i < i_data_cache.size(); ++i)
 973                     for(int j = 0; j < i_data_cache[i].size(); ++j)
 974                         delete i_data_cache[i][j];
 975             }
 976             void operator()( Player* p );
 977
 978         private:
 979             Builder& i_builder;
 980             std::vector<WorldPacketList> i_data_cache;
 981                                                             // 0 = default, i => i-1 locale index
 982     };
 983
 984     #ifndef WIN32
 985     template<> void PlayerRelocationNotifier::Visit<Creature>(CreatureMapType &);
 986     template<> void PlayerRelocationNotifier::Visit<Player>(PlayerMapType &);
 987     template<> void CreatureRelocationNotifier::Visit<Player>(PlayerMapType &);
 988     template<> void CreatureRelocationNotifier::Visit<Creature>(CreatureMapType &);
 989     template<> inline void DynamicObjectUpdater::Visit<Creature>(CreatureMapType &);
 990     template<> inline void DynamicObjectUpdater::Visit<Player>(PlayerMapType &);
 991     #endif
 992 }
 993 #endif