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 "I64FMTD" is considered pet-like but doesn't have a charminfo!", pet->GetGUID());
  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                 if (((Creature*)pet)->isPet())
 219                     ((Pet*)pet)->CheckLearning(spellid);
 220
 221                 unit_target = spell->m_targets.getUnitTarget();
 222
 223                 //10% chance to play special pet attack talk, else growl
 224                 //actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
 225                 if(((Creature*)pet)->isPet() && (((Pet*)pet)->getPetType() == SUMMON_PET) && (pet != unit_target) && (urand(0, 100) < 10))
 226                     pet->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
 227                 else
 228                 {
 229                     pet->SendPetAIReaction(guid1);
 230                 }
 231
 232                 if( unit_target && !GetPlayer()->IsFriendlyTo(unit_target) && !pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
 233                 {
 234                     // This is true if pet has no target or has target but targets differs.
 235                     if (pet->getVictim() != unit_target)
 236                     {
 237                         if (pet->getVictim())
 238                             pet->AttackStop();
 239                         pet->GetMotionMaster()->Clear();
 240                         if (((Creature*)pet)->AI())
 241                             ((Creature*)pet)->AI()->AttackStart(unit_target);
 242                     }
 243                 }
 244
 245                 spell->prepare(&(spell->m_targets));
 246             }
 247             else
 248             {
 249                 if(pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
 250                 {
 251                     WorldPacket data(SMSG_CAST_FAILED, (4+1+1));
 252                     data << uint8(0) << uint32(spellid) << uint8(result);
 253                     switch (result)
 254                     {
 255                         case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
 256                             data << uint32(spellInfo->RequiresSpellFocus);
 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 "I64FMTD" is considered pet-like but doesn't have a charminfo!", pet->GetGUID());
 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                                                             //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
 361         if(!((act_state == ACT_ENABLED || act_state == ACT_DISABLED || act_state == ACT_PASSIVE) && spell_id && !pet->HasSpell(spell_id)))
 362         {
 363             //sign for autocast
 364             if(act_state == ACT_ENABLED && spell_id)
 365             {
 366                 if(pet->isCharmed())
 367                     charmInfo->ToggleCreatureAutocast(spell_id, true);
 368                 else
 369                     ((Pet*)pet)->ToggleAutocast(spell_id, true);
 370             }
 371             //sign for no/turn off autocast
 372             else if(act_state == ACT_DISABLED && spell_id)
 373             {
 374                 if(pet->isCharmed())
 375                     charmInfo->ToggleCreatureAutocast(spell_id, false);
 376                 else
 377                     ((Pet*)pet)->ToggleAutocast(spell_id, false);
 378             }
 379
 380             charmInfo->GetActionBarEntry(position)->Type = act_state;
 381             charmInfo->GetActionBarEntry(position)->SpellOrAction = spell_id;
 382         }
 383     }
 384 }
 385
 386 void WorldSession::HandlePetRename( WorldPacket & recv_data )
 387 {
 388     CHECK_PACKET_SIZE(recv_data, 8+1);
 389
 390     sLog.outDetail( "HandlePetRename. CMSG_PET_RENAME" );
 391
 392     uint64 petguid;
 393     uint8 isdeclined;
 394
 395     std::string name;
 396     DeclinedName declinedname;
 397
 398     recv_data >> petguid;
 399     recv_data >> name;
 400     CHECK_PACKET_SIZE(recv_data, recv_data.rpos() + 1);
 401     recv_data >> isdeclined;
 402
 403     Pet* pet = ObjectAccessor::GetPet(petguid);
 404                                                             // check it!
 405     if( !pet || !pet->isPet() || ((Pet*)pet)->getPetType()!= HUNTER_PET ||
 406         pet->GetByteValue(UNIT_FIELD_BYTES_2, 2) != UNIT_RENAME_ALLOWED ||
 407         pet->GetOwnerGUID() != _player->GetGUID() || !pet->GetCharmInfo() )
 408         return;
 409
 410     if(!ObjectMgr::IsValidPetName(name))
 411     {
 412         SendPetNameInvalid(PET_NAME_INVALID, name, NULL);
 413         return;
 414     }
 415
 416     if(objmgr.IsReservedName(name))
 417     {
 418         SendPetNameInvalid(PET_NAME_RESERVED, name, NULL);
 419         return;
 420     }
 421
 422     pet->SetName(name);
 423
 424     Unit *owner = pet->GetOwner();
 425     if(owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
 426         ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_NAME);
 427
 428     pet->SetByteValue(UNIT_FIELD_BYTES_2, 2, UNIT_RENAME_NOT_ALLOWED);
 429
 430     if(isdeclined)
 431     {
 432         for(int i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
 433         {
 434             CHECK_PACKET_SIZE(recv_data, recv_data.rpos() + 1);
 435             recv_data >> declinedname.name[i];
 436         }
 437
 438         std::wstring wname;
 439         Utf8toWStr(name, wname);
 440         if(!ObjectMgr::CheckDeclinedNames(GetMainPartOfName(wname,0),declinedname))
 441         {
 442             SendPetNameInvalid(PET_NAME_DECLENSION_DOESNT_MATCH_BASE_NAME, name, &declinedname);
 443             return;
 444         }
 445     }
 446
 447     CharacterDatabase.BeginTransaction();
 448     if(isdeclined)
 449     {
 450         for(int i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
 451             CharacterDatabase.escape_string(declinedname.name[i]);
 452         CharacterDatabase.PExecute("DELETE FROM character_pet_declinedname WHERE owner = '%u' AND id = '%u'", _player->GetGUIDLow(), pet->GetCharmInfo()->GetPetNumber());
 453         CharacterDatabase.PExecute("INSERT INTO character_pet_declinedname (id, owner, genitive, dative, accusative, instrumental, prepositional) VALUES ('%u','%u','%s','%s','%s','%s','%s')",
 454             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());
 455     }
 456
 457     CharacterDatabase.escape_string(name);
 458     CharacterDatabase.PExecute("UPDATE character_pet SET name = '%s', renamed = '1' WHERE owner = '%u' AND id = '%u'", name.c_str(), _player->GetGUIDLow(), pet->GetCharmInfo()->GetPetNumber());
 459     CharacterDatabase.CommitTransaction();
 460
 461     pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, time(NULL));
 462 }
 463
 464 void WorldSession::HandlePetAbandon( WorldPacket & recv_data )
 465 {
 466     CHECK_PACKET_SIZE(recv_data, 8);
 467
 468     uint64 guid;
 469     recv_data >> guid;                                      //pet guid
 470     sLog.outDetail( "HandlePetAbandon. CMSG_PET_ABANDON pet guid is %u", GUID_LOPART(guid) );
 471
 472     // pet/charmed
 473     Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, guid);
 474     if(pet)
 475     {
 476         if(pet->isPet())
 477         {
 478             if(pet->GetGUID() == _player->GetPetGUID())
 479             {
 480                 uint32 feelty = pet->GetPower(POWER_HAPPINESS);
 481                 pet->SetPower(POWER_HAPPINESS ,(feelty-50000) > 0 ?(feelty-50000) : 0);
 482             }
 483
 484             _player->RemovePet((Pet*)pet,PET_SAVE_AS_DELETED);
 485         }
 486         else if(pet->GetGUID() == _player->GetCharmGUID())
 487         {
 488             _player->Uncharm();
 489         }
 490     }
 491 }
 492
 493 void WorldSession::HandlePetUnlearnOpcode(WorldPacket& recvPacket)
 494 {
 495     CHECK_PACKET_SIZE(recvPacket,8);
 496
 497     sLog.outDetail("CMSG_PET_UNLEARN");
 498     uint64 guid;
 499     recvPacket >> guid;                 // Pet guid
 500
 501     Pet* pet = _player->GetPet();
 502
 503     if(!pet || pet->getPetType() != HUNTER_PET || pet->m_usedTalentCount == 0)
 504         return;
 505
 506     if(guid != pet->GetGUID())
 507     {
 508         sLog.outError( "HandlePetUnlearnOpcode.Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() );
 509         return;
 510     }
 511
 512     CharmInfo *charmInfo = pet->GetCharmInfo();
 513     if(!charmInfo)
 514     {
 515         sLog.outError("WorldSession::HandlePetUnlearnOpcode: object "I64FMTD" is considered pet-like but doesn't have a charminfo!", pet->GetGUID());
 516         return;
 517     }
 518     pet->resetTalents();
 519 }
 520
 521 void WorldSession::HandlePetSpellAutocastOpcode( WorldPacket& recvPacket )
 522 {
 523     CHECK_PACKET_SIZE(recvPacket,8+2+2+1);
 524
 525     sLog.outDetail("CMSG_PET_SPELL_AUTOCAST");
 526     uint64 guid;
 527     uint16 spellid;
 528     uint16 spellid2;                                        //maybe second spell, automatically toggled off when first toggled on?
 529     uint8  state;                                           //1 for on, 0 for off
 530     recvPacket >> guid >> spellid >> spellid2 >> state;
 531
 532     if(!_player->GetPet() && !_player->GetCharm())
 533         return;
 534
 535     if(ObjectAccessor::FindPlayer(guid))
 536         return;
 537
 538     Creature* pet=ObjectAccessor::GetCreatureOrPetOrVehicle(*_player,guid);
 539
 540     if(!pet || (pet != _player->GetPet() && pet != _player->GetCharm()))
 541     {
 542         sLog.outError( "HandlePetSpellAutocastOpcode.Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() );
 543         return;
 544     }
 545
 546     // do not add not learned spells/ passive spells
 547     if(!pet->HasSpell(spellid) || IsPassiveSpell(spellid))
 548         return;
 549
 550     CharmInfo *charmInfo = pet->GetCharmInfo();
 551     if(!charmInfo)
 552     {
 553         sLog.outError("WorldSession::HandlePetSpellAutocastOpcod: object "I64FMTD" is considered pet-like but doesn't have a charminfo!", pet->GetGUID());
 554         return;
 555     }
 556
 557     if(pet->isCharmed())
 558                                                             //state can be used as boolean
 559         pet->GetCharmInfo()->ToggleCreatureAutocast(spellid, state);
 560     else
 561         ((Pet*)pet)->ToggleAutocast(spellid, state);
 562
 563     for(uint8 i = 0; i < 10; ++i)
 564     {
 565         if((charmInfo->GetActionBarEntry(i)->Type == ACT_ENABLED || charmInfo->GetActionBarEntry(i)->Type == ACT_DISABLED) && spellid == charmInfo->GetActionBarEntry(i)->SpellOrAction)
 566             charmInfo->GetActionBarEntry(i)->Type = state ? ACT_ENABLED : ACT_DISABLED;
 567     }
 568 }
 569
 570 void WorldSession::HandlePetCastSpellOpcode( WorldPacket& recvPacket )
 571 {
 572     sLog.outDetail("WORLD: CMSG_PET_CAST_SPELL");
 573
 574     CHECK_PACKET_SIZE(recvPacket,8+1+4+1);
 575     uint64 guid;
 576     uint32 spellid;
 577     uint8  cast_count;
 578     uint8  unk_flags;                                       // flags (if 0x02 - some additional data are received)
 579
 580     recvPacket >> guid >> cast_count >> spellid >> unk_flags;
 581
 582     sLog.outDebug("WORLD: CMSG_PET_CAST_SPELL, cast_count: %u, spellid %u, unk_flags %u", cast_count, spellid, unk_flags);
 583
 584     if(!_player->GetPet() && !_player->GetCharm())
 585         return;
 586
 587     if (GUID_HIPART(guid) == HIGHGUID_PLAYER)
 588         return;
 589
 590     Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player,guid);
 591
 592     if(!pet || (pet != _player->GetPet() && pet!= _player->GetCharm()))
 593     {
 594         sLog.outError( "HandlePetCastSpellOpcode: Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() );
 595         return;
 596     }
 597
 598     if (pet->GetGlobalCooldown() > 0)
 599         return;
 600
 601     SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellid);
 602     if(!spellInfo)
 603     {
 604         sLog.outError("WORLD: unknown PET spell id %i", spellid);
 605         return;
 606     }
 607
 608     // do not cast not learned spells
 609     if(!pet->HasSpell(spellid) || IsPassiveSpell(spellid))
 610         return;
 611
 612     SpellCastTargets targets;
 613     if(!targets.read(&recvPacket,pet))
 614         return;
 615
 616     pet->clearUnitState(UNIT_STAT_FOLLOW);
 617
 618     Spell *spell = new Spell(pet, spellInfo, false);
 619     spell->m_cast_count = cast_count;                       // probably pending spell cast
 620     spell->m_targets = targets;
 621
 622     SpellCastResult result = spell->CheckPetCast(NULL);
 623     if(result == SPELL_CAST_OK)
 624     {
 625         pet->AddCreatureSpellCooldown(spellid);
 626         if(pet->isPet())
 627         {
 628             Pet* p = (Pet*)pet;
 629             p->CheckLearning(spellid);
 630             //10% chance to play special pet attack talk, else growl
 631             //actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
 632             if(p->getPetType() == SUMMON_PET && (urand(0, 100) < 10))
 633                 pet->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
 634             else
 635                 pet->SendPetAIReaction(guid);
 636         }
 637
 638         spell->prepare(&(spell->m_targets));
 639     }
 640     else
 641     {
 642         pet->SendPetCastFail(spellid, result);
 643         if(!pet->HasSpellCooldown(spellid))
 644             pet->SendPetClearCooldown(spellid);
 645
 646         spell->finish(false);
 647         delete spell;
 648     }
 649 }
 650
 651 void WorldSession::SendPetNameInvalid(uint32 error, const std::string& name, DeclinedName *declinedName)
 652 {
 653     WorldPacket data(SMSG_PET_NAME_INVALID, 4 + name.size() + 1 + 1);
 654     data << uint32(error);
 655     data << name;
 656     if(declinedName)
 657     {
 658         data << uint8(1);
 659         for(uint32 i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
 660             data << declinedName->name[i];
 661     }
 662     else
 663         data << uint8(0);
 664     SendPacket(&data);
 665 }
 666
 667 void WorldSession::HandlePetLearnTalent( WorldPacket & recv_data )
 668 {
 669     sLog.outDebug("WORLD: CMSG_PET_LEARN_TALENT");
 670
 671     CHECK_PACKET_SIZE(recv_data, 8+4+4);
 672
 673     uint64 guid;
 674     uint32 talent_id, requested_rank;
 675     recv_data >> guid >> talent_id >> requested_rank;
 676
 677     _player->LearnPetTalent(guid, talent_id, requested_rank);
 678 }