src/game/PetHandler.cpp

   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 #include "Common.h"
  20 #include "WorldPacket.h"
  21 #include "WorldSession.h"
  22 #include "ObjectMgr.h"
  23 #include "SpellMgr.h"
  24 #include "Log.h"
  25 #include "Opcodes.h"
  26 #include "Spell.h"
  27 #include "ObjectAccessor.h"
  28 #include "CreatureAI.h"
  29 #include "Util.h"
  30 #include "Pet.h"
  31
  32 void WorldSession::HandlePetAction( WorldPacket & recv_data )
  33 {
  34     CHECK_PACKET_SIZE(recv_data, 8+2+2+8);
  35
  36     uint64 guid1;
  37     uint16 spellid;
  38     uint16 flag;
  39     uint64 guid2;
  40     recv_data >> guid1;                                     //pet guid
  41     recv_data >> spellid;
  42     recv_data >> flag;                                      //delete = 0x0700 CastSpell = C100
  43     recv_data >> guid2;                                     //tag guid
  44
  45     // used also for charmed creature
  46     Unit* pet= ObjectAccessor::GetUnit(*_player, guid1);
  47     sLog.outDetail("HandlePetAction.Pet %u flag is %u, spellid is %u, target %u.", uint32(GUID_LOPART(guid1)), flag, spellid, uint32(GUID_LOPART(guid2)) );
  48     if(!pet)
  49     {
  50         sLog.outError( "Pet %u not exist.", uint32(GUID_LOPART(guid1)) );
  51         return;
  52     }
  53
  54     if(pet != GetPlayer()->GetPet() && pet != GetPlayer()->GetCharm())
  55     {
  56         sLog.outError("HandlePetAction.Pet %u isn't pet of player %s.", uint32(GUID_LOPART(guid1)), GetPlayer()->GetName() );
  57         return;
  58     }
  59
  60     if(!pet->isAlive())
  61         return;
  62
  63     if(pet->GetTypeId() == TYPEID_PLAYER && !(flag == ACT_COMMAND && spellid == COMMAND_ATTACK))
  64         return;
  65
  66     CharmInfo *charmInfo = pet->GetCharmInfo();
  67     if(!charmInfo)
  68     {
  69         sLog.outError("WorldSession::HandlePetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
  70         return;
  71     }
  72
  73     switch(flag)
  74     {
  75         case ACT_COMMAND:                                   //0x0700
  76             switch(spellid)
  77             {
  78                 case COMMAND_STAY:                          //flat=1792  //STAY
  79                     pet->StopMoving();
  80                     pet->GetMotionMaster()->Clear();
  81                     pet->GetMotionMaster()->MoveIdle();
  82                     charmInfo->SetCommandState( COMMAND_STAY );
  83                     break;
  84                 case COMMAND_FOLLOW:                        //spellid=1792  //FOLLOW
  85                     pet->AttackStop();
  86                     pet->GetMotionMaster()->MoveFollow(_player,PET_FOLLOW_DIST,PET_FOLLOW_ANGLE);
  87                     charmInfo->SetCommandState( COMMAND_FOLLOW );
  88                     break;
  89                 case COMMAND_ATTACK:                        //spellid=1792  //ATTACK
  90                 {
  91                     const uint64& selguid = _player->GetSelection();
  92                     Unit *TargetUnit = ObjectAccessor::GetUnit(*_player, selguid);
  93                     if(!TargetUnit)
  94                         return;
  95
  96                     // not let attack friendly units.
  97                     if(GetPlayer()->IsFriendlyTo(TargetUnit))
  98                         return;
  99                     // Not let attack through obstructions
 100                     if(!pet->IsWithinLOSInMap(TargetUnit))
 101                         return;
 102
 103                     // This is true if pet has no target or has target but targets differs.
 104                     if(pet->getVictim() != TargetUnit)
 105                     {
 106                         if (pet->getVictim())
 107                             pet->AttackStop();
 108
 109                         if(pet->GetTypeId() != TYPEID_PLAYER)
 110                         {
 111                             pet->GetMotionMaster()->Clear();
 112                             if (((Creature*)pet)->AI())
 113                                 ((Creature*)pet)->AI()->AttackStart(TargetUnit);
 114
 115                             //10% chance to play special pet attack talk, else growl
 116                             if(((Creature*)pet)->isPet() && ((Pet*)pet)->getPetType() == SUMMON_PET && pet != TargetUnit && urand(0, 100) < 10)
 117                                 pet->SendPetTalk((uint32)PET_TALK_ATTACK);
 118                             else
 119                             {
 120                                 // 90% chance for pet and 100% chance for charmed creature
 121                                 pet->SendPetAIReaction(guid1);
 122                             }
 123                         }
 124                         else                                    // charmed player
 125                         {
 126                             pet->Attack(TargetUnit,true);
 127                             pet->SendPetAIReaction(guid1);
 128                         }
 129                     }
 130                     break;
 131                 }
 132                 case COMMAND_ABANDON:                       // abandon (hunter pet) or dismiss (summoned pet)
 133                     if(((Creature*)pet)->isPet())
 134                     {
 135                         Pet* p = (Pet*)pet;
 136                         if(p->getPetType() == HUNTER_PET)
 137                             _player->RemovePet(p,PET_SAVE_AS_DELETED);
 138                         else
 139                             //dismissing a summoned pet is like killing them (this prevents returning a soulshard...)
 140                             p->setDeathState(CORPSE);
 141                     }
 142                     else                                    // charmed
 143                         _player->Uncharm();
 144                     break;
 145                 default:
 146                     sLog.outError("WORLD: unknown PET flag Action %i and spellid %i.", flag, spellid);
 147             }
 148             break;
 149         case ACT_REACTION:                                  // 0x600
 150             switch(spellid)
 151             {
 152                 case REACT_PASSIVE:                         //passive
 153                 case REACT_DEFENSIVE:                       //recovery
 154                 case REACT_AGGRESSIVE:                      //activete
 155                     charmInfo->SetReactState( ReactStates(spellid) );
 156                     break;
 157             }
 158             break;
 159         case ACT_DISABLED:                                  // 0x8100    spell (disabled), ignore
 160         case ACT_PASSIVE:                                   // 0x0100
 161         case ACT_ENABLED:                                   // 0xC100    spell
 162         {
 163             Unit* unit_target = NULL;
 164             if (((Creature*)pet)->GetGlobalCooldown() > 0)
 165                 return;
 166
 167             if(guid2)
 168                 unit_target = ObjectAccessor::GetUnit(*_player,guid2);
 169
 170             // do not cast unknown spells
 171             SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellid );
 172             if(!spellInfo)
 173             {
 174                 sLog.outError("WORLD: unknown PET spell id %i", spellid);
 175                 return;
 176             }
 177
 178             for(uint32 i = 0; i < 3;++i)
 179             {
 180                 if(spellInfo->EffectImplicitTargetA[i] == TARGET_ALL_ENEMY_IN_AREA || spellInfo->EffectImplicitTargetA[i] == TARGET_ALL_ENEMY_IN_AREA_INSTANT || spellInfo->EffectImplicitTargetA[i] == TARGET_ALL_ENEMY_IN_AREA_CHANNELED)
 181                     return;
 182             }
 183
 184             // do not cast not learned spells
 185             if(!pet->HasSpell(spellid) || IsPassiveSpell(spellid))
 186                 return;
 187
 188             pet->clearUnitState(UNIT_STAT_FOLLOW);
 189
 190             Spell *spell = new Spell(pet, spellInfo, false);
 191
 192             SpellCastResult result = spell->CheckPetCast(unit_target);
 193
 194             //auto turn to target unless possessed
 195             if(result == SPELL_FAILED_UNIT_NOT_INFRONT && !pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
 196             {
 197                 if(unit_target)
 198                 {
 199                     pet->SetInFront(unit_target);
 200                     if (unit_target->GetTypeId() == TYPEID_PLAYER)
 201                         pet->SendUpdateToPlayer( (Player*)unit_target );
 202                 }
 203                 else if(Unit *unit_target2 = spell->m_targets.getUnitTarget())
 204                 {
 205                     pet->SetInFront(unit_target2);
 206                     if (unit_target2->GetTypeId() == TYPEID_PLAYER)
 207                         pet->SendUpdateToPlayer( (Player*)unit_target2 );
 208                 }
 209                 if (Unit* powner = pet->GetCharmerOrOwner())
 210                     if(powner->GetTypeId() == TYPEID_PLAYER)
 211                         pet->SendUpdateToPlayer((Player*)powner);
 212                 result = SPELL_CAST_OK;
 213             }
 214
 215             if(result == SPELL_CAST_OK)
 216             {
 217                 ((Creature*)pet)->AddCreatureSpellCooldown(spellid);
 218
 219                 unit_target = spell->m_targets.getUnitTarget();
 220
 221                 //10% chance to play special pet attack talk, else growl
 222                 //actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
 223                 if(((Creature*)pet)->isPet() && (((Pet*)pet)->getPetType() == SUMMON_PET) && (pet != unit_target) && (urand(0, 100) < 10))
 224                     pet->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
 225                 else
 226                 {
 227                     pet->SendPetAIReaction(guid1);
 228                 }
 229
 230                 if( unit_target && !GetPlayer()->IsFriendlyTo(unit_target) && !pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
 231                 {
 232                     // This is true if pet has no target or has target but targets differs.
 233                     if (pet->getVictim() != unit_target)
 234                     {
 235                         if (pet->getVictim())
 236                             pet->AttackStop();
 237                         pet->GetMotionMaster()->Clear();
 238                         if (((Creature*)pet)->AI())
 239                             ((Creature*)pet)->AI()->AttackStart(unit_target);
 240                     }
 241                 }
 242
 243                 spell->prepare(&(spell->m_targets));
 244             }
 245             else
 246             {
 247                 if(pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
 248                 {
 249                     WorldPacket data(SMSG_CAST_FAILED, (4+1+1));
 250                     data << uint8(0) << uint32(spellid) << uint8(result);
 251                     switch (result)
 252                     {
 253                         case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
 254                             data << uint32(spellInfo->RequiresSpellFocus);
 255                             break;
 256                         default:
 257                             break;
 258                     }
 259                     SendPacket(&data);
 260                 }
 261                 else
 262                     pet->SendPetCastFail(spellid, result);
 263
 264                 if(!((Creature*)pet)->HasSpellCooldown(spellid))
 265                     pet->SendPetClearCooldown(spellid);
 266
 267                 spell->finish(false);
 268                 delete spell;
 269             }
 270             break;
 271         }
 272         default:
 273             sLog.outError("WORLD: unknown PET flag Action %i and spellid %i.", flag, spellid);
 274     }
 275 }
 276
 277 void WorldSession::HandlePetNameQuery( WorldPacket & recv_data )
 278 {
 279     CHECK_PACKET_SIZE(recv_data,4+8);
 280
 281     sLog.outDetail( "HandlePetNameQuery. CMSG_PET_NAME_QUERY" );
 282
 283     uint32 petnumber;
 284     uint64 petguid;
 285
 286     recv_data >> petnumber;
 287     recv_data >> petguid;
 288
 289     SendPetNameQuery(petguid,petnumber);
 290 }
 291
 292 void WorldSession::SendPetNameQuery( uint64 petguid, uint32 petnumber)
 293 {
 294     Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, petguid);
 295     if(!pet || !pet->GetCharmInfo() || pet->GetCharmInfo()->GetPetNumber() != petnumber)
 296         return;
 297
 298     std::string name = pet->GetName();
 299
 300     WorldPacket data(SMSG_PET_NAME_QUERY_RESPONSE, (4+4+name.size()+1));
 301     data << uint32(petnumber);
 302     data << name.c_str();
 303     data << uint32(pet->GetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP));
 304
 305     if( pet->isPet() && ((Pet*)pet)->GetDeclinedNames() )
 306     {
 307         data << uint8(1);
 308         for(int i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
 309             data << ((Pet*)pet)->GetDeclinedNames()->name[i];
 310     }
 311     else
 312         data << uint8(0);
 313
 314     _player->GetSession()->SendPacket(&data);
 315 }
 316
 317 void WorldSession::HandlePetSetAction( WorldPacket & recv_data )
 318 {
 319     CHECK_PACKET_SIZE(recv_data, 8+4+2+2);
 320
 321     sLog.outDetail( "HandlePetSetAction. CMSG_PET_SET_ACTION" );
 322
 323     uint64 petguid;
 324     uint32 position;
 325     uint16 spell_id;
 326     uint16 act_state;
 327     uint8  count;
 328
 329     recv_data >> petguid;
 330
 331     // FIXME: charmed case
 332     //Pet* pet = ObjectAccessor::Instance().GetPet(petguid);
 333     if(ObjectAccessor::FindPlayer(petguid))
 334         return;
 335
 336     Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, petguid);
 337
 338     if(!pet || (pet != _player->GetPet() && pet != _player->GetCharm()))
 339     {
 340         sLog.outError( "HandlePetSetAction: Unknown pet or pet owner." );
 341         return;
 342     }
 343
 344     CharmInfo *charmInfo = pet->GetCharmInfo();
 345     if(!charmInfo)
 346     {
 347         sLog.outError("WorldSession::HandlePetSetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
 348         return;
 349     }
 350
 351     count = (recv_data.size() == 24) ? 2 : 1;
 352     for(uint8 i = 0; i < count; ++i)
 353     {
 354         recv_data >> position;
 355         recv_data >> spell_id;
 356         recv_data >> act_state;
 357
 358         sLog.outDetail( "Player %s has changed pet spell action. Position: %u, Spell: %u, State: 0x%X", _player->GetName(), position, spell_id, act_state);
 359
 360         //ignore invalid position
 361         if(position >= MAX_UNIT_ACTION_BAR_INDEX)
 362             return;
 363
 364         //if it's act for spell (en/disable/cast) and there is a spell given (0 = remove spell) which pet doesn't know, don't add
 365         if(!((act_state == ACT_ENABLED || act_state == ACT_DISABLED || act_state == ACT_PASSIVE) && spell_id && !pet->HasSpell(spell_id)))
 366         {
 367             //sign for autocast
 368             if(act_state == ACT_ENABLED && spell_id)
 369             {
 370                 if(pet->isCharmed())
 371                     charmInfo->ToggleCreatureAutocast(spell_id, true);
 372                 else
 373                     ((Pet*)pet)->ToggleAutocast(spell_id, true);
 374             }
 375             //sign for no/turn off autocast
 376             else if(act_state == ACT_DISABLED && spell_id)
 377             {
 378                 if(pet->isCharmed())
 379                     charmInfo->ToggleCreatureAutocast(spell_id, false);
 380                 else
 381                     ((Pet*)pet)->ToggleAutocast(spell_id, false);
 382             }
 383
 384             charmInfo->SetActionBar(position,spell_id,ActiveStates(act_state));
 385         }
 386     }
 387 }
 388
 389 void WorldSession::HandlePetRename( WorldPacket & recv_data )
 390 {
 391     CHECK_PACKET_SIZE(recv_data, 8+1);
 392
 393     sLog.outDetail( "HandlePetRename. CMSG_PET_RENAME" );
 394
 395     uint64 petguid;
 396     uint8 isdeclined;
 397
 398     std::string name;
 399     DeclinedName declinedname;
 400
 401     recv_data >> petguid;
 402     recv_data >> name;
 403     CHECK_PACKET_SIZE(recv_data, recv_data.rpos() + 1);
 404     recv_data >> isdeclined;
 405
 406     Pet* pet = ObjectAccessor::GetPet(petguid);
 407                                                             // check it!
 408     if( !pet || !pet->isPet() || ((Pet*)pet)->getPetType()!= HUNTER_PET ||
 409         pet->GetByteValue(UNIT_FIELD_BYTES_2, 2) != UNIT_RENAME_ALLOWED ||
 410         pet->GetOwnerGUID() != _player->GetGUID() || !pet->GetCharmInfo() )
 411         return;
 412
 413     if(!ObjectMgr::IsValidPetName(name))
 414     {
 415         SendPetNameInvalid(PET_NAME_INVALID, name, NULL);
 416         return;
 417     }
 418
 419     if(objmgr.IsReservedName(name))
 420     {
 421         SendPetNameInvalid(PET_NAME_RESERVED, name, NULL);
 422         return;
 423     }
 424
 425     pet->SetName(name);
 426
 427     Unit *owner = pet->GetOwner();
 428     if(owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
 429         ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_NAME);
 430
 431     pet->SetByteValue(UNIT_FIELD_BYTES_2, 2, UNIT_RENAME_NOT_ALLOWED);
 432
 433     if(isdeclined)
 434     {
 435         for(int i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
 436         {
 437             CHECK_PACKET_SIZE(recv_data, recv_data.rpos() + 1);
 438             recv_data >> declinedname.name[i];
 439         }
 440
 441         std::wstring wname;
 442         Utf8toWStr(name, wname);
 443         if(!ObjectMgr::CheckDeclinedNames(GetMainPartOfName(wname,0),declinedname))
 444         {
 445             SendPetNameInvalid(PET_NAME_DECLENSION_DOESNT_MATCH_BASE_NAME, name, &declinedname);
 446             return;
 447         }
 448     }
 449
 450     CharacterDatabase.BeginTransaction();
 451     if(isdeclined)
 452     {
 453         for(int i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
 454             CharacterDatabase.escape_string(declinedname.name[i]);
 455         CharacterDatabase.PExecute("DELETE FROM character_pet_declinedname WHERE owner = '%u' AND id = '%u'", _player->GetGUIDLow(), pet->GetCharmInfo()->GetPetNumber());
 456         CharacterDatabase.PExecute("INSERT INTO character_pet_declinedname (id, owner, genitive, dative, accusative, instrumental, prepositional) VALUES ('%u','%u','%s','%s','%s','%s','%s')",
 457             pet->GetCharmInfo()->GetPetNumber(), _player->GetGUIDLow(), declinedname.name[0].c_str(), declinedname.name[1].c_str(), declinedname.name[2].c_str(), declinedname.name[3].c_str(), declinedname.name[4].c_str());
 458     }
 459
 460     CharacterDatabase.escape_string(name);
 461     CharacterDatabase.PExecute("UPDATE character_pet SET name = '%s', renamed = '1' WHERE owner = '%u' AND id = '%u'", name.c_str(), _player->GetGUIDLow(), pet->GetCharmInfo()->GetPetNumber());
 462     CharacterDatabase.CommitTransaction();
 463
 464     pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, time(NULL));
 465 }
 466
 467 void WorldSession::HandlePetAbandon( WorldPacket & recv_data )
 468 {
 469     CHECK_PACKET_SIZE(recv_data, 8);
 470
 471     uint64 guid;
 472     recv_data >> guid;                                      //pet guid
 473     sLog.outDetail( "HandlePetAbandon. CMSG_PET_ABANDON pet guid is %u", GUID_LOPART(guid) );
 474
 475     // pet/charmed
 476     Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, guid);
 477     if(pet)
 478     {
 479         if(pet->isPet())
 480         {
 481             if(pet->GetGUID() == _player->GetPetGUID())
 482             {
 483                 uint32 feelty = pet->GetPower(POWER_HAPPINESS);
 484                 pet->SetPower(POWER_HAPPINESS ,(feelty-50000) > 0 ?(feelty-50000) : 0);
 485             }
 486
 487             _player->RemovePet((Pet*)pet,PET_SAVE_AS_DELETED);
 488         }
 489         else if(pet->GetGUID() == _player->GetCharmGUID())
 490         {
 491             _player->Uncharm();
 492         }
 493     }
 494 }
 495
 496 void WorldSession::HandlePetUnlearnOpcode(WorldPacket& recvPacket)
 497 {
 498     CHECK_PACKET_SIZE(recvPacket,8);
 499
 500     sLog.outDetail("CMSG_PET_UNLEARN");
 501     uint64 guid;
 502     recvPacket >> guid;                 // Pet guid
 503
 504     Pet* pet = _player->GetPet();
 505
 506     if(!pet || pet->getPetType() != HUNTER_PET || pet->m_usedTalentCount == 0)
 507         return;
 508
 509     if(guid != pet->GetGUID())
 510     {
 511         sLog.outError( "HandlePetUnlearnOpcode.Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() );
 512         return;
 513     }
 514
 515     CharmInfo *charmInfo = pet->GetCharmInfo();
 516     if(!charmInfo)
 517     {
 518         sLog.outError("WorldSession::HandlePetUnlearnOpcode: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
 519         return;
 520     }
 521     pet->resetTalents();
 522 }
 523
 524 void WorldSession::HandlePetSpellAutocastOpcode( WorldPacket& recvPacket )
 525 {
 526     CHECK_PACKET_SIZE(recvPacket,8+2+2+1);
 527
 528     sLog.outDetail("CMSG_PET_SPELL_AUTOCAST");
 529     uint64 guid;
 530     uint16 spellid;
 531     uint16 spellid2;                                        //maybe second spell, automatically toggled off when first toggled on?
 532     uint8  state;                                           //1 for on, 0 for off
 533     recvPacket >> guid >> spellid >> spellid2 >> state;
 534
 535     if(!_player->GetPet() && !_player->GetCharm())
 536         return;
 537
 538     if(ObjectAccessor::FindPlayer(guid))
 539         return;
 540
 541     Creature* pet=ObjectAccessor::GetCreatureOrPetOrVehicle(*_player,guid);
 542
 543     if(!pet || (pet != _player->GetPet() && pet != _player->GetCharm()))
 544     {
 545         sLog.outError( "HandlePetSpellAutocastOpcode.Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() );
 546         return;
 547     }
 548
 549     // do not add not learned spells/ passive spells
 550     if(!pet->HasSpell(spellid) || IsPassiveSpell(spellid))
 551         return;
 552
 553     CharmInfo *charmInfo = pet->GetCharmInfo();
 554     if(!charmInfo)
 555     {
 556         sLog.outError("WorldSession::HandlePetSpellAutocastOpcod: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
 557         return;
 558     }
 559
 560     if(pet->isCharmed())
 561                                                             //state can be used as boolean
 562         pet->GetCharmInfo()->ToggleCreatureAutocast(spellid, state);
 563     else
 564         ((Pet*)pet)->ToggleAutocast(spellid, state);
 565
 566     charmInfo->SetSpellAutocast(spellid,state);
 567 }
 568
 569 void WorldSession::HandlePetCastSpellOpcode( WorldPacket& recvPacket )
 570 {
 571     sLog.outDetail("WORLD: CMSG_PET_CAST_SPELL");
 572
 573     CHECK_PACKET_SIZE(recvPacket,8+1+4+1);
 574     uint64 guid;
 575     uint32 spellid;
 576     uint8  cast_count;
 577     uint8  unk_flags;                                       // flags (if 0x02 - some additional data are received)
 578
 579     recvPacket >> guid >> cast_count >> spellid >> unk_flags;
 580
 581     sLog.outDebug("WORLD: CMSG_PET_CAST_SPELL, cast_count: %u, spellid %u, unk_flags %u", cast_count, spellid, unk_flags);
 582
 583     if(!_player->GetPet() && !_player->GetCharm())
 584         return;
 585
 586     if (GUID_HIPART(guid) == HIGHGUID_PLAYER)
 587         return;
 588
 589     Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player,guid);
 590
 591     if(!pet || (pet != _player->GetPet() && pet!= _player->GetCharm()))
 592     {
 593         sLog.outError( "HandlePetCastSpellOpcode: Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() );
 594         return;
 595     }
 596
 597     if (pet->GetGlobalCooldown() > 0)
 598         return;
 599
 600     SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellid);
 601     if(!spellInfo)
 602     {
 603         sLog.outError("WORLD: unknown PET spell id %i", spellid);
 604         return;
 605     }
 606
 607     // do not cast not learned spells
 608     if(!pet->HasSpell(spellid) || IsPassiveSpell(spellid))
 609         return;
 610
 611     SpellCastTargets targets;
 612     if(!targets.read(&recvPacket,pet))
 613         return;
 614
 615     pet->clearUnitState(UNIT_STAT_FOLLOW);
 616
 617     Spell *spell = new Spell(pet, spellInfo, false);
 618     spell->m_cast_count = cast_count;                       // probably pending spell cast
 619     spell->m_targets = targets;
 620
 621     SpellCastResult result = spell->CheckPetCast(NULL);
 622     if(result == SPELL_CAST_OK)
 623     {
 624         pet->AddCreatureSpellCooldown(spellid);
 625         if(pet->isPet())
 626         {
 627             //10% chance to play special pet attack talk, else growl
 628             //actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
 629             if(((Pet*)pet)->getPetType() == SUMMON_PET && (urand(0, 100) < 10))
 630                 pet->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
 631             else
 632                 pet->SendPetAIReaction(guid);
 633         }
 634
 635         spell->prepare(&(spell->m_targets));
 636     }
 637     else
 638     {
 639         pet->SendPetCastFail(spellid, result);
 640         if(!pet->HasSpellCooldown(spellid))
 641             pet->SendPetClearCooldown(spellid);
 642
 643         spell->finish(false);
 644         delete spell;
 645     }
 646 }
 647
 648 void WorldSession::SendPetNameInvalid(uint32 error, const std::string& name, DeclinedName *declinedName)
 649 {
 650     WorldPacket data(SMSG_PET_NAME_INVALID, 4 + name.size() + 1 + 1);
 651     data << uint32(error);
 652     data << name;
 653     if(declinedName)
 654     {
 655         data << uint8(1);
 656         for(uint32 i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
 657             data << declinedName->name[i];
 658     }
 659     else
 660         data << uint8(0);
 661     SendPacket(&data);
 662 }
 663
 664 void WorldSession::HandlePetLearnTalent( WorldPacket & recv_data )
 665 {
 666     sLog.outDebug("WORLD: CMSG_PET_LEARN_TALENT");
 667
 668     CHECK_PACKET_SIZE(recv_data, 8+4+4);
 669
 670     uint64 guid;
 671     uint32 talent_id, requested_rank;
 672     recv_data >> guid >> talent_id >> requested_rank;
 673
 674     _player->LearnPetTalent(guid, talent_id, requested_rank);
 675 }