src/game/CreatureEventAI.cpp

   1 /*
   2  * Copyright (C) 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 "CreatureEventAI.h"
  21 #include "CreatureEventAIMgr.h"
  22 #include "ObjectMgr.h"
  23 #include "Spell.h"
  24 #include "World.h"
  25 #include "Cell.h"
  26 #include "CellImpl.h"
  27 #include "GameEventMgr.h"
  28 #include "GridNotifiers.h"
  29 #include "GridNotifiersImpl.h"
  30 #include "InstanceData.h"
  31
  32 bool CreatureEventAIHolder::UpdateRepeatTimer( Creature* creature, uint32 repeatMin, uint32 repeatMax )
  33 {
  34     if (repeatMin == repeatMax)
  35         Time = repeatMin;
  36     else if (repeatMax > repeatMin)
  37         Time = urand(repeatMin, repeatMax);
  38     else
  39     {
  40         sLog.outErrorDb("CreatureEventAI: Creature %u using Event %u (Type = %u) has RandomMax < RandomMin. Event repeating disabled.", creature->GetEntry(), Event.event_id, Event.event_type);
  41         Enabled = false;
  42         return false;
  43     }
  44
  45     return true;
  46 }
  47
  48 int CreatureEventAI::Permissible(const Creature *creature)
  49 {
  50     if( creature->GetAIName() == "EventAI" )
  51         return PERMIT_BASE_SPECIAL;
  52     return PERMIT_BASE_NO;
  53 }
  54
  55 CreatureEventAI::CreatureEventAI(Creature *c ) : CreatureAI(c)
  56 {
  57     // Need make copy for filter unneeded steps and safe in case table reload
  58     CreatureEventAI_Event_Map::const_iterator CreatureEvents = CreatureEAI_Mgr.GetCreatureEventAIMap().find(m_creature->GetEntry());
  59     if (CreatureEvents != CreatureEAI_Mgr.GetCreatureEventAIMap().end())
  60     {
  61         std::vector<CreatureEventAI_Event>::const_iterator i;
  62         for (i = (*CreatureEvents).second.begin(); i != (*CreatureEvents).second.end(); ++i)
  63         {
  64
  65             //Debug check
  66             #ifndef MANGOS_DEBUG
  67             if ((*i).event_flags & EFLAG_DEBUG_ONLY)
  68                 continue;
  69             #endif
  70             if (m_creature->GetMap()->IsDungeon())
  71             {
  72                 if( (m_creature->GetMap()->IsHeroic() && (*i).event_flags & EFLAG_HEROIC) ||
  73                     (!m_creature->GetMap()->IsHeroic() && (*i).event_flags & EFLAG_NORMAL))
  74                 {
  75                     //event flagged for instance mode
  76                     CreatureEventAIList.push_back(CreatureEventAIHolder(*i));
  77                 }
  78                 continue;
  79             }
  80             CreatureEventAIList.push_back(CreatureEventAIHolder(*i));
  81         }
  82         //EventMap had events but they were not added because they must be for instance
  83         if (CreatureEventAIList.empty())
  84             sLog.outError("CreatureEventAI: Creature %u has events but no events added to list because of instance flags.", m_creature->GetEntry());
  85     }
  86     else
  87         sLog.outError("CreatureEventAI: EventMap for Creature %u is empty but creature is using CreatureEventAI.", m_creature->GetEntry());
  88
  89     bEmptyList = CreatureEventAIList.empty();
  90     Phase = 0;
  91     CombatMovementEnabled = true;
  92     MeleeEnabled = true;
  93     AttackDistance = 0.0f;
  94     AttackAngle = 0.0f;
  95
  96     InvinceabilityHpLevel = 0;
  97
  98     //Handle Spawned Events
  99     if (!bEmptyList)
 100     {
 101         for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 102             if (SpawnedEventConditionsCheck((*i).Event))
 103                 ProcessEvent(*i);
 104     }
 105     Reset();
 106 }
 107
 108 bool CreatureEventAI::ProcessEvent(CreatureEventAIHolder& pHolder, Unit* pActionInvoker)
 109 {
 110     if (!pHolder.Enabled || pHolder.Time)
 111         return false;
 112
 113     //Check the inverse phase mask (event doesn't trigger if current phase bit is set in mask)
 114     if (pHolder.Event.event_inverse_phase_mask & (1 << Phase))
 115         return false;
 116
 117     CreatureEventAI_Event const& event = pHolder.Event;
 118
 119     //Check event conditions based on the event type, also reset events
 120     switch (event.event_type)
 121     {
 122         case EVENT_T_TIMER:
 123             if (!m_creature->isInCombat())
 124                 return false;
 125
 126             //Repeat Timers
 127             pHolder.UpdateRepeatTimer(m_creature,event.timer.repeatMin,event.timer.repeatMax);
 128             break;
 129         case EVENT_T_TIMER_OOC:
 130             if (m_creature->isInCombat())
 131                 return false;
 132
 133             //Repeat Timers
 134             pHolder.UpdateRepeatTimer(m_creature,event.timer.repeatMin,event.timer.repeatMax);
 135             break;
 136         case EVENT_T_HP:
 137         {
 138             if (!m_creature->isInCombat() || !m_creature->GetMaxHealth())
 139                 return false;
 140
 141             uint32 perc = (m_creature->GetHealth()*100) / m_creature->GetMaxHealth();
 142
 143             if (perc > event.percent_range.percentMax || perc < event.percent_range.percentMin)
 144                 return false;
 145
 146             //Repeat Timers
 147             pHolder.UpdateRepeatTimer(m_creature,event.percent_range.repeatMin,event.percent_range.repeatMax);
 148             break;
 149         }
 150         case EVENT_T_MANA:
 151         {
 152             if (!m_creature->isInCombat() || !m_creature->GetMaxPower(POWER_MANA))
 153                 return false;
 154
 155             uint32 perc = (m_creature->GetPower(POWER_MANA)*100) / m_creature->GetMaxPower(POWER_MANA);
 156
 157             if (perc > event.percent_range.percentMax || perc < event.percent_range.percentMin)
 158                 return false;
 159
 160             //Repeat Timers
 161             pHolder.UpdateRepeatTimer(m_creature,event.percent_range.repeatMin,event.percent_range.repeatMax);
 162             break;
 163         }
 164         case EVENT_T_AGGRO:
 165             break;
 166         case EVENT_T_KILL:
 167             //Repeat Timers
 168             pHolder.UpdateRepeatTimer(m_creature,event.kill.repeatMin,event.kill.repeatMax);
 169             break;
 170         case EVENT_T_DEATH:
 171         case EVENT_T_EVADE:
 172             break;
 173         case EVENT_T_SPELLHIT:
 174             //Spell hit is special case, param1 and param2 handled within CreatureEventAI::SpellHit
 175
 176             //Repeat Timers
 177             pHolder.UpdateRepeatTimer(m_creature,event.spell_hit.repeatMin,event.spell_hit.repeatMax);
 178             break;
 179         case EVENT_T_RANGE:
 180             //Repeat Timers
 181             pHolder.UpdateRepeatTimer(m_creature,event.range.repeatMin,event.range.repeatMax);
 182             break;
 183         case EVENT_T_OOC_LOS:
 184             //Repeat Timers
 185             pHolder.UpdateRepeatTimer(m_creature,event.ooc_los.repeatMin,event.ooc_los.repeatMax);
 186             break;
 187         case EVENT_T_SPAWNED:
 188             break;
 189         case EVENT_T_TARGET_HP:
 190         {
 191             if (!m_creature->isInCombat() || !m_creature->getVictim() || !m_creature->getVictim()->GetMaxHealth())
 192                 return false;
 193
 194             uint32 perc = (m_creature->getVictim()->GetHealth()*100) / m_creature->getVictim()->GetMaxHealth();
 195
 196             if (perc > event.percent_range.percentMax || perc < event.percent_range.percentMin)
 197                 return false;
 198
 199             //Repeat Timers
 200             pHolder.UpdateRepeatTimer(m_creature,event.percent_range.repeatMin,event.percent_range.repeatMax);
 201             break;
 202         }
 203         case EVENT_T_TARGET_CASTING:
 204             if (!m_creature->isInCombat() || !m_creature->getVictim() || !m_creature->getVictim()->IsNonMeleeSpellCasted(false, false, true))
 205                 return false;
 206
 207             //Repeat Timers
 208             pHolder.UpdateRepeatTimer(m_creature,event.target_casting.repeatMin,event.target_casting.repeatMax);
 209             break;
 210         case EVENT_T_FRIENDLY_HP:
 211         {
 212             if (!m_creature->isInCombat())
 213                 return false;
 214
 215             Unit* pUnit = DoSelectLowestHpFriendly(event.friendly_hp.radius, event.friendly_hp.hpDeficit);
 216             if (!pUnit)
 217                 return false;
 218
 219             pActionInvoker = pUnit;
 220
 221             //Repeat Timers
 222             pHolder.UpdateRepeatTimer(m_creature,event.friendly_hp.repeatMin,event.friendly_hp.repeatMax);
 223             break;
 224         }
 225         case EVENT_T_FRIENDLY_IS_CC:
 226         {
 227             if (!m_creature->isInCombat())
 228                 return false;
 229
 230             std::list<Creature*> pList;
 231             DoFindFriendlyCC(pList, event.friendly_is_cc.radius);
 232
 233             //List is empty
 234             if (pList.empty())
 235                 return false;
 236
 237             //We don't really care about the whole list, just return first available
 238             pActionInvoker = *(pList.begin());
 239
 240             //Repeat Timers
 241             pHolder.UpdateRepeatTimer(m_creature,event.friendly_is_cc.repeatMin,event.friendly_is_cc.repeatMax);
 242             break;
 243         }
 244         case EVENT_T_FRIENDLY_MISSING_BUFF:
 245         {
 246             std::list<Creature*> pList;
 247             DoFindFriendlyMissingBuff(pList, event.friendly_buff.radius, event.friendly_buff.spellId);
 248
 249             //List is empty
 250             if (pList.empty())
 251                 return false;
 252
 253             //We don't really care about the whole list, just return first available
 254             pActionInvoker = *(pList.begin());
 255
 256             //Repeat Timers
 257             pHolder.UpdateRepeatTimer(m_creature,event.friendly_buff.repeatMin,event.friendly_buff.repeatMax);
 258             break;
 259         }
 260         case EVENT_T_SUMMONED_UNIT:
 261         {
 262             //Prevent event from occuring on no unit or non creatures
 263             if (!pActionInvoker || pActionInvoker->GetTypeId()!=TYPEID_UNIT)
 264                 return false;
 265
 266             //Creature id doesn't match up
 267             if (((Creature*)pActionInvoker)->GetEntry() != event.summon_unit.creatureId)
 268                 return false;
 269
 270             //Repeat Timers
 271             pHolder.UpdateRepeatTimer(m_creature,event.summon_unit.repeatMin,event.summon_unit.repeatMax);
 272             break;
 273         }
 274         case EVENT_T_TARGET_MANA:
 275         {
 276             if (!m_creature->isInCombat() || !m_creature->getVictim() || !m_creature->getVictim()->GetMaxPower(POWER_MANA))
 277                 return false;
 278
 279             uint32 perc = (m_creature->getVictim()->GetPower(POWER_MANA)*100) / m_creature->getVictim()->GetMaxPower(POWER_MANA);
 280
 281             if (perc > event.percent_range.percentMax || perc < event.percent_range.percentMin)
 282                 return false;
 283
 284             //Repeat Timers
 285             pHolder.UpdateRepeatTimer(m_creature,event.percent_range.repeatMin,event.percent_range.repeatMax);
 286             break;
 287         }
 288         case EVENT_T_REACHED_HOME:
 289         case EVENT_T_RECEIVE_EMOTE:
 290             break;
 291         case EVENT_T_BUFFED:
 292         {
 293             //Note: checked only aura for effect 0, if need check aura for effect 1/2 then
 294             // possible way: pack in event.buffed.amount 2 uint16 (ammount+effectIdx)
 295             Aura* aura = m_creature->GetAura(event.buffed.spellId,0);
 296             if(!aura || aura->GetStackAmount() < event.buffed.amount)
 297                 return false;
 298
 299             //Repeat Timers
 300             pHolder.UpdateRepeatTimer(m_creature,event.buffed.repeatMin,event.buffed.repeatMax);
 301             break;
 302         }
 303         case EVENT_T_TARGET_BUFFED:
 304         {
 305             //Prevent event from occuring on no unit
 306             if (!pActionInvoker)
 307                 return false;
 308
 309             //Note: checked only aura for effect 0, if need check aura for effect 1/2 then
 310             // possible way: pack in event.buffed.amount 2 uint16 (ammount+effectIdx)
 311             Aura* aura = pActionInvoker->GetAura(event.buffed.spellId,0);
 312             if(!aura || aura->GetStackAmount() < event.buffed.amount)
 313                 return false;
 314
 315             //Repeat Timers
 316             pHolder.UpdateRepeatTimer(m_creature,event.buffed.repeatMin,event.buffed.repeatMax);
 317             break;
 318         }
 319         default:
 320             sLog.outErrorDb("CreatureEventAI: Creature %u using Event %u has invalid Event Type(%u), missing from ProcessEvent() Switch.", m_creature->GetEntry(), pHolder.Event.event_id, pHolder.Event.event_type);
 321             break;
 322     }
 323
 324     //Disable non-repeatable events
 325     if (!(pHolder.Event.event_flags & EFLAG_REPEATABLE))
 326         pHolder.Enabled = false;
 327
 328     //Store random here so that all random actions match up
 329     uint32 rnd = rand();
 330
 331     //Return if chance for event is not met
 332     if (pHolder.Event.event_chance <= rnd % 100)
 333         return false;
 334
 335     //Process actions
 336     for (uint32 j = 0; j < MAX_ACTIONS; j++)
 337         ProcessAction(pHolder.Event.action[j], rnd, pHolder.Event.event_id, pActionInvoker);
 338
 339     return true;
 340 }
 341
 342 void CreatureEventAI::ProcessAction(CreatureEventAI_Action const& action, uint32 rnd, uint32 EventId, Unit* pActionInvoker)
 343 {
 344     switch (action.type)
 345     {
 346         case ACTION_T_TEXT:
 347         {
 348             if (!action.text.TextId[0])
 349                 return;
 350
 351             int32 temp = 0;
 352
 353             if (action.text.TextId[1] && action.text.TextId[2])
 354                 temp = action.text.TextId[rand()%3];
 355             else if (action.text.TextId[1] && urand(0,1))
 356                 temp = action.text.TextId[1];
 357             else
 358                 temp = action.text.TextId[0];
 359
 360             if (temp)
 361             {
 362                 Unit* target = NULL;
 363
 364                 if (pActionInvoker)
 365                 {
 366                     if (pActionInvoker->GetTypeId() == TYPEID_PLAYER)
 367                         target = pActionInvoker;
 368                     else if (Unit* owner = pActionInvoker->GetOwner())
 369                     {
 370                         if (owner->GetTypeId() == TYPEID_PLAYER)
 371                             target = owner;
 372                     }
 373                 }
 374                 else if ((target = m_creature->getVictim()))
 375                 {
 376                     if (target->GetTypeId() != TYPEID_PLAYER)
 377                         if (Unit* owner = target->GetOwner())
 378                             if (owner->GetTypeId() == TYPEID_PLAYER)
 379                                 target = owner;
 380                 }
 381
 382                 DoScriptText(temp, m_creature, target);
 383             }
 384             break;
 385         }
 386         case ACTION_T_SET_FACTION:
 387         {
 388             if (action.set_faction.factionId)
 389                 m_creature->setFaction(action.set_faction.factionId);
 390             else
 391             {
 392                 if (CreatureInfo const* ci = GetCreatureTemplateStore(m_creature->GetEntry()))
 393                 {
 394                     //if no id provided, assume reset and then use default
 395                     if (m_creature->getFaction() != ci->faction_A)
 396                         m_creature->setFaction(ci->faction_A);
 397                 }
 398             }
 399             break;
 400         }
 401         case ACTION_T_MORPH_TO_ENTRY_OR_MODEL:
 402         {
 403             if (action.morph.creatureId || action.morph.modelId)
 404             {
 405                 //set model based on entry from creature_template
 406                 if (action.morph.creatureId)
 407                 {
 408                     if (CreatureInfo const* ci = GetCreatureTemplateStore(action.morph.creatureId))
 409                     {
 410                         uint32 display_id = objmgr.ChooseDisplayId(0,ci);
 411                         m_creature->SetDisplayId(display_id);
 412                     }
 413                 }
 414                 //if no param1, then use value from param2 (modelId)
 415                 else
 416                     m_creature->SetDisplayId(action.morph.modelId);
 417             }
 418             else
 419                 m_creature->DeMorph();
 420             break;
 421         }
 422         case ACTION_T_SOUND:
 423             m_creature->PlayDirectSound(action.sound.soundId);
 424             break;
 425         case ACTION_T_EMOTE:
 426             m_creature->HandleEmoteCommand(action.emote.emoteId);
 427             break;
 428         case ACTION_T_RANDOM_SOUND:
 429         {
 430             int32 temp = GetRandActionParam(rnd, action.random_sound.soundId1, action.random_sound.soundId2, action.random_sound.soundId3);
 431             if (temp >= 0)
 432                 m_creature->PlayDirectSound(temp);
 433             break;
 434         }
 435         case ACTION_T_RANDOM_EMOTE:
 436         {
 437             int32 temp = GetRandActionParam(rnd, action.random_emote.emoteId1, action.random_emote.emoteId2, action.random_emote.emoteId3);
 438             if (temp >= 0)
 439                 m_creature->HandleEmoteCommand(temp);
 440             break;
 441         }
 442         case ACTION_T_CAST:
 443         {
 444             Unit* target = GetTargetByType(action.cast.target, pActionInvoker);
 445             Unit* caster = m_creature;
 446
 447             if (!target)
 448                 return;
 449
 450             if (action.cast.castFlags & CAST_FORCE_TARGET_SELF)
 451                 caster = target;
 452
 453             //Allowed to cast only if not casting (unless we interrupt ourself) or if spell is triggered
 454             bool canCast = !caster->IsNonMeleeSpellCasted(false) || (action.cast.castFlags & (CAST_TRIGGERED | CAST_INTURRUPT_PREVIOUS));
 455
 456             // If cast flag CAST_AURA_NOT_PRESENT is active, check if target already has aura on them
 457             if(action.cast.castFlags & CAST_AURA_NOT_PRESENT)
 458             {
 459                 for(uint8 i = 0; i < 3; ++i)
 460                     if(target->HasAura(action.cast.spellId, i))
 461                         return;
 462             }
 463
 464             if (canCast)
 465             {
 466                 const SpellEntry* tSpell = GetSpellStore()->LookupEntry(action.cast.spellId);
 467
 468                 //Verify that spell exists
 469                 if (tSpell)
 470                 {
 471                     //Check if cannot cast spell
 472                     if (!(action.cast.castFlags & (CAST_FORCE_TARGET_SELF | CAST_FORCE_CAST)) &&
 473                         !CanCast(target, tSpell, (action.cast.castFlags & CAST_TRIGGERED)))
 474                     {
 475                         //Melee current victim if flag not set
 476                         if (!(action.cast.castFlags & CAST_NO_MELEE_IF_OOM))
 477                         {
 478                             if (m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == TARGETED_MOTION_TYPE)
 479                             {
 480                                 AttackDistance = 0.0f;
 481                                 AttackAngle = 0.0f;
 482
 483                                 m_creature->GetMotionMaster()->Clear(false);
 484                                 m_creature->GetMotionMaster()->MoveChase(m_creature->getVictim(), AttackDistance, AttackAngle);
 485                             }
 486                         }
 487
 488                     }
 489                     else
 490                     {
 491                         //Interrupt any previous spell
 492                         if (caster->IsNonMeleeSpellCasted(false) && action.cast.castFlags & CAST_INTURRUPT_PREVIOUS)
 493                             caster->InterruptNonMeleeSpells(false);
 494
 495                         caster->CastSpell(target, action.cast.spellId, (action.cast.castFlags & CAST_TRIGGERED));
 496                     }
 497
 498                 }
 499                 else
 500                     sLog.outErrorDb("CreatureEventAI: event %d creature %d attempt to cast spell that doesn't exist %d", EventId, m_creature->GetEntry(), action.cast.spellId);
 501             }
 502             break;
 503         }
 504         case ACTION_T_SUMMON:
 505         {
 506             Unit* target = GetTargetByType(action.summon.target, pActionInvoker);
 507
 508             Creature* pCreature = NULL;
 509
 510             if (action.summon.duration)
 511                 pCreature = m_creature->SummonCreature(action.summon.creatureId, 0.0f, 0.0f, 0.0f, 0.0f, TEMPSUMMON_TIMED_OR_DEAD_DESPAWN, action.summon.duration);
 512             else
 513                 pCreature = m_creature->SummonCreature(action.summon.creatureId, 0.0f, 0.0f, 0.0f, 0.0f, TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT, 0);
 514
 515             if (!pCreature)
 516                 sLog.outErrorDb( "CreatureEventAI: failed to spawn creature %u. Spawn event %d is on creature %d", action.summon.creatureId, EventId, m_creature->GetEntry());
 517             else if (action.summon.target != TARGET_T_SELF && target)
 518                 pCreature->AI()->AttackStart(target);
 519             break;
 520         }
 521         case ACTION_T_THREAT_SINGLE_PCT:
 522             if (Unit* target = GetTargetByType(action.threat_single_pct.target, pActionInvoker))
 523                 m_creature->getThreatManager().modifyThreatPercent(target, action.threat_single_pct.percent);
 524             break;
 525         case ACTION_T_THREAT_ALL_PCT:
 526         {
 527             std::list<HostileReference*>& threatList = m_creature->getThreatManager().getThreatList();
 528             for (std::list<HostileReference*>::iterator i = threatList.begin(); i != threatList.end(); ++i)
 529                 if(Unit* Temp = Unit::GetUnit(*m_creature,(*i)->getUnitGuid()))
 530                     m_creature->getThreatManager().modifyThreatPercent(Temp, action.threat_all_pct.percent);
 531             break;
 532         }
 533         case ACTION_T_QUEST_EVENT:
 534             if (Unit* target = GetTargetByType(action.quest_event.target, pActionInvoker))
 535                 if (target->GetTypeId() == TYPEID_PLAYER)
 536                     ((Player*)target)->AreaExploredOrEventHappens(action.quest_event.questId);
 537             break;
 538         case ACTION_T_CAST_EVENT:
 539             if (Unit* target = GetTargetByType(action.cast_event.target, pActionInvoker))
 540                 if (target->GetTypeId() == TYPEID_PLAYER)
 541                     ((Player*)target)->CastedCreatureOrGO(action.cast_event.creatureId, m_creature->GetGUID(), action.cast_event.spellId);
 542             break;
 543         case ACTION_T_SET_UNIT_FIELD:
 544         {
 545             Unit* target = GetTargetByType(action.set_unit_field.target, pActionInvoker);
 546
 547             // not allow modify important for integrity object fields
 548             if (action.set_unit_field.field < OBJECT_END || action.set_unit_field.field >= UNIT_END)
 549                 return;
 550
 551             if (target)
 552                 target->SetUInt32Value(action.set_unit_field.field, action.set_unit_field.value);
 553
 554             break;
 555         }
 556         case ACTION_T_SET_UNIT_FLAG:
 557             if (Unit* target = GetTargetByType(action.unit_flag.target, pActionInvoker))
 558                 target->SetFlag(UNIT_FIELD_FLAGS, action.unit_flag.value);
 559             break;
 560         case ACTION_T_REMOVE_UNIT_FLAG:
 561             if (Unit* target = GetTargetByType(action.unit_flag.target, pActionInvoker))
 562                 target->RemoveFlag(UNIT_FIELD_FLAGS, action.unit_flag.value);
 563             break;
 564         case ACTION_T_AUTO_ATTACK:
 565             MeleeEnabled = action.auto_attack.state != 0;
 566             break;
 567         case ACTION_T_COMBAT_MOVEMENT:
 568             // ignore no affect case
 569             if(CombatMovementEnabled==(action.combat_movement.state!=0))
 570                 return;
 571
 572             CombatMovementEnabled = action.combat_movement.state != 0;
 573
 574             //Allow movement (create new targeted movement gen only if idle)
 575             if (CombatMovementEnabled)
 576             {
 577                 if(action.combat_movement.melee && m_creature->isInCombat())
 578                     if(Unit* victim = m_creature->getVictim())
 579                         m_creature->SendMeleeAttackStart(victim);
 580
 581                 if (m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == IDLE_MOTION_TYPE)
 582                 {
 583                     m_creature->GetMotionMaster()->Clear(false);
 584                     m_creature->GetMotionMaster()->MoveChase(m_creature->getVictim(), AttackDistance, AttackAngle);
 585                 }
 586             }
 587             else
 588             {
 589                 if(action.combat_movement.melee && m_creature->isInCombat())
 590                     if(Unit* victim = m_creature->getVictim())
 591                         m_creature->SendMeleeAttackStop(victim);
 592
 593                 if (m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == TARGETED_MOTION_TYPE)
 594                 {
 595                     m_creature->GetMotionMaster()->Clear(false);
 596                     m_creature->GetMotionMaster()->MoveIdle();
 597                     m_creature->StopMoving();
 598                 }
 599             }
 600             break;
 601         case ACTION_T_SET_PHASE:
 602             Phase = action.set_phase.phase;
 603             break;
 604         case ACTION_T_INC_PHASE:
 605         {
 606             int32 new_phase = int32(Phase)+action.set_inc_phase.step;
 607             if (new_phase < 0)
 608             {
 609                 sLog.outErrorDb( "CreatureEventAI: Event %d decrease Phase under 0. CreatureEntry = %d", EventId, m_creature->GetEntry());
 610                 Phase = 0;
 611             }
 612             else if (new_phase >= MAX_PHASE)
 613             {
 614                 sLog.outErrorDb( "CreatureEventAI: Event %d incremented Phase above %u. Phase mask cannot be used with phases past %u. CreatureEntry = %d", EventId, MAX_PHASE-1, MAX_PHASE-1, m_creature->GetEntry());
 615                 Phase = MAX_PHASE-1;
 616             }
 617             else
 618                 Phase = new_phase;
 619
 620             break;
 621         }
 622         case ACTION_T_EVADE:
 623             EnterEvadeMode();
 624             break;
 625         case ACTION_T_FLEE_FOR_ASSIST:
 626             m_creature->DoFleeToGetAssistance();
 627             break;
 628         case ACTION_T_QUEST_EVENT_ALL:
 629             if (pActionInvoker && pActionInvoker->GetTypeId() == TYPEID_PLAYER)
 630             {
 631                 if (Unit* Temp = Unit::GetUnit(*m_creature,pActionInvoker->GetGUID()))
 632                     if (Temp->GetTypeId() == TYPEID_PLAYER)
 633                         ((Player*)Temp)->GroupEventHappens(action.quest_event_all.questId,m_creature);
 634             }
 635             break;
 636         case ACTION_T_CAST_EVENT_ALL:
 637         {
 638             std::list<HostileReference*>& threatList = m_creature->getThreatManager().getThreatList();
 639             for (std::list<HostileReference*>::iterator i = threatList.begin(); i != threatList.end(); ++i)
 640                 if (Unit* Temp = Unit::GetUnit(*m_creature,(*i)->getUnitGuid()))
 641                     if (Temp->GetTypeId() == TYPEID_PLAYER)
 642                         ((Player*)Temp)->CastedCreatureOrGO(action.cast_event_all.creatureId, m_creature->GetGUID(), action.cast_event_all.spellId);
 643             break;
 644         }
 645         case ACTION_T_REMOVEAURASFROMSPELL:
 646             if (Unit* target = GetTargetByType(action.remove_aura.target, pActionInvoker))
 647                 target->RemoveAurasDueToSpell(action.remove_aura.spellId);
 648             break;
 649         case ACTION_T_RANGED_MOVEMENT:
 650             AttackDistance = (float)action.ranged_movement.distance;
 651             AttackAngle = action.ranged_movement.angle/180.0f*M_PI;
 652
 653             if (CombatMovementEnabled)
 654             {
 655                 if (m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == TARGETED_MOTION_TYPE)
 656                 {
 657                     //Drop current movement gen
 658                     m_creature->GetMotionMaster()->Clear(false);
 659                     m_creature->GetMotionMaster()->MoveChase(m_creature->getVictim(), AttackDistance, AttackAngle);
 660                 }
 661             }
 662             break;
 663         case ACTION_T_RANDOM_PHASE:
 664             Phase = GetRandActionParam(rnd, action.random_phase.phase1, action.random_phase.phase2, action.random_phase.phase3);
 665             break;
 666         case ACTION_T_RANDOM_PHASE_RANGE:
 667             if (action.random_phase_range.phaseMax > action.random_phase_range.phaseMin)
 668                 Phase = action.random_phase_range.phaseMin + (rnd % (action.random_phase_range.phaseMax - action.random_phase_range.phaseMin));
 669             else
 670                 sLog.outErrorDb( "CreatureEventAI: ACTION_T_RANDOM_PHASE_RANGE cannot have Param2 <= Param1. Divide by Zero. Event = %d. CreatureEntry = %d", EventId, m_creature->GetEntry());
 671             break;
 672         case ACTION_T_SUMMON_ID:
 673         {
 674             Unit* target = GetTargetByType(action.summon_id.target, pActionInvoker);
 675
 676             CreatureEventAI_Summon_Map::const_iterator i = CreatureEAI_Mgr.GetCreatureEventAISummonMap().find(action.summon_id.spawnId);
 677             if (i == CreatureEAI_Mgr.GetCreatureEventAISummonMap().end())
 678             {
 679                 sLog.outErrorDb( "CreatureEventAI: failed to spawn creature %u. Summon map index %u does not exist. EventID %d. CreatureID %d", action.summon_id.creatureId, action.summon_id.spawnId, EventId, m_creature->GetEntry());
 680                 return;
 681             }
 682
 683             Creature* pCreature = NULL;
 684             if ((*i).second.SpawnTimeSecs)
 685                 pCreature = m_creature->SummonCreature(action.summon_id.creatureId, (*i).second.position_x, (*i).second.position_y, (*i).second.position_z, (*i).second.orientation, TEMPSUMMON_TIMED_OR_DEAD_DESPAWN, (*i).second.SpawnTimeSecs);
 686             else
 687                 pCreature = m_creature->SummonCreature(action.summon_id.creatureId, (*i).second.position_x, (*i).second.position_y, (*i).second.position_z, (*i).second.orientation, TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT, 0);
 688
 689             if (!pCreature)
 690                 sLog.outErrorDb( "CreatureEventAI: failed to spawn creature %u. EventId %d.Creature %d", action.summon_id.creatureId, EventId, m_creature->GetEntry());
 691             else if (action.summon_id.target != TARGET_T_SELF && target)
 692                 pCreature->AI()->AttackStart(target);
 693
 694             break;
 695         }
 696         case ACTION_T_KILLED_MONSTER:
 697             //first attempt player who tapped creature
 698             if (Player* pPlayer = m_creature->GetLootRecipient())
 699                 pPlayer->RewardPlayerAndGroupAtEvent(action.killed_monster.creatureId, m_creature);
 700             else
 701             {
 702                 //if not available, use pActionInvoker
 703                 if (Unit* pTarget = GetTargetByType(action.killed_monster.target, pActionInvoker))
 704                     if (Player* pPlayer2 = pTarget->GetCharmerOrOwnerPlayerOrPlayerItself())
 705                         pPlayer2->RewardPlayerAndGroupAtEvent(action.killed_monster.creatureId, m_creature);
 706             }
 707             break;
 708         case ACTION_T_SET_INST_DATA:
 709         {
 710             InstanceData* pInst = (InstanceData*)m_creature->GetInstanceData();
 711             if (!pInst)
 712             {
 713                 sLog.outErrorDb("CreatureEventAI: Event %d attempt to set instance data without instance script. Creature %d", EventId, m_creature->GetEntry());
 714                 return;
 715             }
 716
 717             pInst->SetData(action.set_inst_data.field, action.set_inst_data.value);
 718             break;
 719         }
 720         case ACTION_T_SET_INST_DATA64:
 721         {
 722             Unit* target = GetTargetByType(action.set_inst_data64.target, pActionInvoker);
 723             if (!target)
 724             {
 725                 sLog.outErrorDb("CreatureEventAI: Event %d attempt to set instance data64 but Target == NULL. Creature %d", EventId, m_creature->GetEntry());
 726                 return;
 727             }
 728
 729             InstanceData* pInst = (InstanceData*)m_creature->GetInstanceData();
 730             if (!pInst)
 731             {
 732                 sLog.outErrorDb("CreatureEventAI: Event %d attempt to set instance data64 without instance script. Creature %d", EventId, m_creature->GetEntry());
 733                 return;
 734             }
 735
 736             pInst->SetData64(action.set_inst_data64.field, target->GetGUID());
 737             break;
 738         }
 739         case ACTION_T_UPDATE_TEMPLATE:
 740             if (m_creature->GetEntry() == action.update_template.creatureId)
 741             {
 742
 743                 sLog.outErrorDb("CreatureEventAI: Event %d ACTION_T_UPDATE_TEMPLATE call with param1 == current entry. Creature %d", EventId, m_creature->GetEntry());
 744                 return;
 745             }
 746
 747             m_creature->UpdateEntry(action.update_template.creatureId, action.update_template.team ? HORDE : ALLIANCE);
 748             break;
 749         case ACTION_T_DIE:
 750             if (m_creature->isDead())
 751             {
 752
 753                 sLog.outErrorDb("CreatureEventAI: Event %d ACTION_T_DIE on dead creature. Creature %d", EventId, m_creature->GetEntry());
 754                 return;
 755             }
 756             m_creature->DealDamage(m_creature, m_creature->GetMaxHealth(),NULL, DIRECT_DAMAGE, SPELL_SCHOOL_MASK_NORMAL, NULL, false);
 757             break;
 758         case ACTION_T_ZONE_COMBAT_PULSE:
 759         {
 760             m_creature->SetInCombatWithZone();
 761             break;
 762         }
 763         case ACTION_T_CALL_FOR_HELP:
 764         {
 765             m_creature->CallForHelp(action.call_for_help.radius);
 766             break;
 767         }
 768         case ACTION_T_SET_SHEATH:
 769         {
 770             m_creature->SetSheath(SheathState(action.set_sheath.sheath));
 771             break;
 772         }
 773         case ACTION_T_FORCE_DESPAWN:
 774         {
 775             m_creature->ForcedDespawn();
 776             break;
 777         }
 778         case ACTION_T_SET_INVINCIBILITY_HP_LEVEL:
 779         {
 780             if(action.invincibility_hp_level.is_percent)
 781                 InvinceabilityHpLevel = m_creature->GetMaxHealth()*action.invincibility_hp_level.hp_level/100;
 782             else
 783                 InvinceabilityHpLevel = action.invincibility_hp_level.hp_level;
 784             break;
 785         }
 786     }
 787 }
 788
 789 void CreatureEventAI::JustRespawned()
 790 {
 791     Reset();
 792
 793     if (bEmptyList)
 794         return;
 795
 796     //Handle Spawned Events
 797     for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 798         if (SpawnedEventConditionsCheck((*i).Event))
 799             ProcessEvent(*i);
 800 }
 801
 802 void CreatureEventAI::Reset()
 803 {
 804     EventUpdateTime = EVENT_UPDATE_TIME;
 805     EventDiff = 0;
 806
 807     if (bEmptyList)
 808         return;
 809
 810     //Reset all events to enabled
 811     for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 812     {
 813         CreatureEventAI_Event const& event = (*i).Event;
 814         switch (event.event_type)
 815         {
 816             //Reset all out of combat timers
 817             case EVENT_T_TIMER_OOC:
 818             {
 819                 if ((*i).UpdateRepeatTimer(m_creature,event.timer.initialMin,event.timer.initialMax))
 820                     (*i).Enabled = true;
 821                 break;
 822             }
 823             //default:
 824             //TODO: enable below code line / verify this is correct to enable events previously disabled (ex. aggro yell), instead of enable this in void Aggro()
 825             //(*i).Enabled = true;
 826             //(*i).Time = 0;
 827             //break;
 828         }
 829     }
 830 }
 831
 832 void CreatureEventAI::JustReachedHome()
 833 {
 834     m_creature->LoadCreaturesAddon();
 835
 836     if (!bEmptyList)
 837     {
 838         for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 839         {
 840             if ((*i).Event.event_type == EVENT_T_REACHED_HOME)
 841                 ProcessEvent(*i);
 842         }
 843     }
 844
 845     Reset();
 846 }
 847
 848 void CreatureEventAI::EnterEvadeMode()
 849 {
 850     m_creature->RemoveAllAuras();
 851     m_creature->DeleteThreatList();
 852     m_creature->CombatStop(true);
 853
 854     if (m_creature->isAlive())
 855         m_creature->GetMotionMaster()->MoveTargetedHome();
 856
 857     m_creature->SetLootRecipient(NULL);
 858
 859     if (bEmptyList)
 860         return;
 861
 862     //Handle Evade events
 863     for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 864     {
 865         if ((*i).Event.event_type == EVENT_T_EVADE)
 866             ProcessEvent(*i);
 867     }
 868 }
 869
 870 void CreatureEventAI::JustDied(Unit* killer)
 871 {
 872     Reset();
 873
 874     if (bEmptyList)
 875         return;
 876
 877     //Handle Evade events
 878     for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 879     {
 880         if ((*i).Event.event_type == EVENT_T_DEATH)
 881             ProcessEvent(*i, killer);
 882     }
 883
 884     // reset phase after any death state events
 885     Phase = 0;
 886 }
 887
 888 void CreatureEventAI::KilledUnit(Unit* victim)
 889 {
 890     if (bEmptyList || victim->GetTypeId() != TYPEID_PLAYER)
 891         return;
 892
 893     for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 894     {
 895         if ((*i).Event.event_type == EVENT_T_KILL)
 896             ProcessEvent(*i, victim);
 897     }
 898 }
 899
 900 void CreatureEventAI::JustSummoned(Creature* pUnit)
 901 {
 902     if (bEmptyList || !pUnit)
 903         return;
 904
 905     for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 906     {
 907         if ((*i).Event.event_type == EVENT_T_SUMMONED_UNIT)
 908             ProcessEvent(*i, pUnit);
 909     }
 910 }
 911
 912 void CreatureEventAI::EnterCombat(Unit *enemy)
 913 {
 914     //Check for on combat start events
 915     if (!bEmptyList)
 916     {
 917         for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
 918         {
 919             CreatureEventAI_Event const& event = (*i).Event;
 920             switch (event.event_type)
 921             {
 922                 case EVENT_T_AGGRO:
 923                     (*i).Enabled = true;
 924                     ProcessEvent(*i, enemy);
 925                     break;
 926                     //Reset all in combat timers
 927                 case EVENT_T_TIMER:
 928                     if ((*i).UpdateRepeatTimer(m_creature,event.timer.initialMin,event.timer.initialMax))
 929                         (*i).Enabled = true;
 930                     break;
 931                     //All normal events need to be re-enabled and their time set to 0
 932                 default:
 933                     (*i).Enabled = true;
 934                     (*i).Time = 0;
 935                     break;
 936             }
 937         }
 938     }
 939
 940     EventUpdateTime = EVENT_UPDATE_TIME;
 941     EventDiff = 0;
 942 }
 943
 944 void CreatureEventAI::AttackStart(Unit *who)
 945 {
 946     if (!who)
 947         return;
 948
 949     if (m_creature->Attack(who, MeleeEnabled))
 950     {
 951         m_creature->AddThreat(who);
 952         m_creature->SetInCombatWith(who);
 953         who->SetInCombatWith(m_creature);
 954
 955         if (CombatMovementEnabled)
 956         {
 957             m_creature->GetMotionMaster()->MoveChase(who, AttackDistance, AttackAngle);
 958         }
 959         else
 960         {
 961             m_creature->GetMotionMaster()->MoveIdle();
 962             m_creature->StopMoving();
 963         }
 964     }
 965 }
 966
 967 void CreatureEventAI::MoveInLineOfSight(Unit *who)
 968 {
 969     if (!who)
 970         return;
 971
 972     //Check for OOC LOS Event
 973     if (!bEmptyList && !m_creature->getVictim())
 974     {
 975         for (std::list<CreatureEventAIHolder>::iterator itr = CreatureEventAIList.begin(); itr != CreatureEventAIList.end(); ++itr)
 976         {
 977             if ((*itr).Event.event_type == EVENT_T_OOC_LOS)
 978             {
 979                 //can trigger if closer than fMaxAllowedRange
 980                 float fMaxAllowedRange = (*itr).Event.ooc_los.maxRange;
 981
 982                 //if range is ok and we are actually in LOS
 983                 if (m_creature->IsWithinDistInMap(who, fMaxAllowedRange) && m_creature->IsWithinLOSInMap(who))
 984                 {
 985                     //if friendly event&&who is not hostile OR hostile event&&who is hostile
 986                     if (((*itr).Event.ooc_los.noHostile && !m_creature->IsHostileTo(who)) ||
 987                         ((!(*itr).Event.ooc_los.noHostile) && m_creature->IsHostileTo(who)))
 988                         ProcessEvent(*itr, who);
 989                 }
 990             }
 991         }
 992     }
 993
 994     if (m_creature->isCivilian() || m_creature->IsNeutralToAll())
 995         return;
 996
 997     if (!m_creature->hasUnitState(UNIT_STAT_STUNNED | UNIT_STAT_DIED) && who->isTargetableForAttack() &&
 998         m_creature->IsHostileTo(who) && who->isInAccessablePlaceFor(m_creature))
 999     {
1000         if (!m_creature->canFly() && m_creature->GetDistanceZ(who) > CREATURE_Z_ATTACK_RANGE)
1001             return;
1002
1003         float attackRadius = m_creature->GetAttackDistance(who);
1004         if (m_creature->IsWithinDistInMap(who, attackRadius) && m_creature->IsWithinLOSInMap(who))
1005         {
1006             if (!m_creature->getVictim())
1007             {
1008                 AttackStart(who);
1009                 who->RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);
1010             }
1011             else if (m_creature->GetMap()->IsDungeon())
1012             {
1013                 m_creature->AddThreat(who);
1014                 who->SetInCombatWith(m_creature);
1015             }
1016         }
1017     }
1018 }
1019
1020 void CreatureEventAI::SpellHit(Unit* pUnit, const SpellEntry* pSpell)
1021 {
1022
1023     if (bEmptyList)
1024         return;
1025
1026     for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
1027         if ((*i).Event.event_type == EVENT_T_SPELLHIT)
1028             //If spell id matches (or no spell id) & if spell school matches (or no spell school)
1029             if (!(*i).Event.spell_hit.spellId || pSpell->Id == (*i).Event.spell_hit.spellId)
1030                 if (pSpell->SchoolMask & (*i).Event.spell_hit.schoolMask)
1031                     ProcessEvent(*i, pUnit);
1032 }
1033
1034 void CreatureEventAI::UpdateAI(const uint32 diff)
1035 {
1036     //Check if we are in combat (also updates calls threat update code)
1037     bool Combat = m_creature->SelectHostileTarget() && m_creature->getVictim();
1038
1039     //Must return if creature isn't alive. Normally select hostil target and get victim prevent this
1040     if (!m_creature->isAlive())
1041         return;
1042
1043     if (!bEmptyList)
1044     {
1045         //Events are only updated once every EVENT_UPDATE_TIME ms to prevent lag with large amount of events
1046         if (EventUpdateTime < diff)
1047         {
1048             EventDiff += diff;
1049
1050             //Check for time based events
1051             for (std::list<CreatureEventAIHolder>::iterator i = CreatureEventAIList.begin(); i != CreatureEventAIList.end(); ++i)
1052             {
1053                 //Decrement Timers
1054                 if ((*i).Time)
1055                 {
1056                     if ((*i).Time > EventDiff)
1057                     {
1058                         //Do not decrement timers if event cannot trigger in this phase
1059                         if (!((*i).Event.event_inverse_phase_mask & (1 << Phase)))
1060                             (*i).Time -= EventDiff;
1061
1062                         //Skip processing of events that have time remaining
1063                         continue;
1064                     }
1065                     else (*i).Time = 0;
1066                 }
1067
1068                 //Events that are updated every EVENT_UPDATE_TIME
1069                 switch ((*i).Event.event_type)
1070                 {
1071                     case EVENT_T_TIMER_OOC:
1072                         ProcessEvent(*i);
1073                         break;
1074                     case EVENT_T_TIMER:
1075                     case EVENT_T_MANA:
1076                     case EVENT_T_HP:
1077                     case EVENT_T_TARGET_HP:
1078                     case EVENT_T_TARGET_CASTING:
1079                     case EVENT_T_FRIENDLY_HP:
1080                         if (Combat)
1081                             ProcessEvent(*i);
1082                         break;
1083                     case EVENT_T_RANGE:
1084                         if (Combat)
1085                         {
1086                             if (m_creature->getVictim() && m_creature->IsInMap(m_creature->getVictim()))
1087                                 if (m_creature->IsInRange(m_creature->getVictim(), (float)(*i).Event.range.minDist, (float)(*i).Event.range.maxDist))
1088                                     ProcessEvent(*i);
1089                         }
1090                         break;
1091                 }
1092             }
1093
1094             EventDiff = 0;
1095             EventUpdateTime = EVENT_UPDATE_TIME;
1096         }
1097         else
1098         {
1099             EventDiff += diff;
1100             EventUpdateTime -= diff;
1101         }
1102     }
1103
1104     //Melee Auto-Attack
1105     if (Combat && MeleeEnabled)
1106         DoMeleeAttackIfReady();
1107 }
1108
1109 bool CreatureEventAI::IsVisible(Unit *pl) const
1110 {
1111     return m_creature->IsWithinDist(pl,sWorld.getConfig(CONFIG_SIGHT_MONSTER))
1112         && pl->isVisibleForOrDetect(m_creature,m_creature,true);
1113 }
1114
1115 inline Unit* CreatureEventAI::SelectUnit(AttackingTarget target, uint32 position)
1116 {
1117     //ThreatList m_threatlist;
1118     std::list<HostileReference*>& m_threatlist = m_creature->getThreatManager().getThreatList();
1119     std::list<HostileReference*>::iterator i = m_threatlist.begin();
1120     std::list<HostileReference*>::reverse_iterator r = m_threatlist.rbegin();
1121
1122     if (position >= m_threatlist.size() || !m_threatlist.size())
1123         return NULL;
1124
1125     switch (target)
1126     {
1127         case ATTACKING_TARGET_RANDOM:
1128         {
1129             advance ( i , position +  (rand() % (m_threatlist.size() - position ) ));
1130             return Unit::GetUnit(*m_creature,(*i)->getUnitGuid());
1131         }
1132         case ATTACKING_TARGET_TOPAGGRO:
1133         {
1134             advance ( i , position);
1135             return Unit::GetUnit(*m_creature,(*i)->getUnitGuid());
1136         }
1137         case ATTACKING_TARGET_BOTTOMAGGRO:
1138         {
1139             advance ( r , position);
1140             return Unit::GetUnit(*m_creature,(*r)->getUnitGuid());
1141         }
1142     }
1143     return NULL;
1144 }
1145
1146 inline uint32 CreatureEventAI::GetRandActionParam(uint32 rnd, uint32 param1, uint32 param2, uint32 param3)
1147 {
1148     switch (rnd % 3)
1149     {
1150         case 0: return param1;
1151         case 1: return param2;
1152         case 2: return param3;
1153     }
1154     return 0;
1155 }
1156
1157 inline int32 CreatureEventAI::GetRandActionParam(uint32 rnd, int32 param1, int32 param2, int32 param3)
1158 {
1159     switch (rnd % 3)
1160     {
1161         case 0: return param1;
1162         case 1: return param2;
1163         case 2: return param3;
1164     }
1165     return 0;
1166 }
1167
1168 inline Unit* CreatureEventAI::GetTargetByType(uint32 Target, Unit* pActionInvoker)
1169 {
1170     switch (Target)
1171     {
1172         case TARGET_T_SELF:
1173             return m_creature;
1174         case TARGET_T_HOSTILE:
1175             return m_creature->getVictim();
1176         case TARGET_T_HOSTILE_SECOND_AGGRO:
1177             return SelectUnit(ATTACKING_TARGET_TOPAGGRO,1);
1178         case TARGET_T_HOSTILE_LAST_AGGRO:
1179             return SelectUnit(ATTACKING_TARGET_BOTTOMAGGRO,0);
1180         case TARGET_T_HOSTILE_RANDOM:
1181             return SelectUnit(ATTACKING_TARGET_RANDOM,0);
1182         case TARGET_T_HOSTILE_RANDOM_NOT_TOP:
1183             return SelectUnit(ATTACKING_TARGET_RANDOM,1);
1184         case TARGET_T_ACTION_INVOKER:
1185             return pActionInvoker;
1186         default:
1187             return NULL;
1188     };
1189 }
1190
1191 Unit* CreatureEventAI::DoSelectLowestHpFriendly(float range, uint32 MinHPDiff)
1192 {
1193     CellPair p(MaNGOS::ComputeCellPair(m_creature->GetPositionX(), m_creature->GetPositionY()));
1194     Cell cell(p);
1195     cell.data.Part.reserved = ALL_DISTRICT;
1196     cell.SetNoCreate();
1197
1198     Unit* pUnit = NULL;
1199
1200     MaNGOS::MostHPMissingInRange u_check(m_creature, range, MinHPDiff);
1201     MaNGOS::UnitLastSearcher<MaNGOS::MostHPMissingInRange> searcher(m_creature, pUnit, u_check);
1202
1203     /*
1204     typedef TYPELIST_4(GameObject, Creature*except pets*, DynamicObject, Corpse*Bones*) AllGridObjectTypes;
1205     This means that if we only search grid then we cannot possibly return pets or players so this is safe
1206     */
1207     TypeContainerVisitor<MaNGOS::UnitLastSearcher<MaNGOS::MostHPMissingInRange>, GridTypeMapContainer >  grid_unit_searcher(searcher);
1208
1209     CellLock<GridReadGuard> cell_lock(cell, p);
1210     cell_lock->Visit(cell_lock, grid_unit_searcher, *m_creature->GetMap(), *m_creature, range);
1211     return pUnit;
1212 }
1213
1214 void CreatureEventAI::DoFindFriendlyCC(std::list<Creature*>& _list, float range)
1215 {
1216     CellPair p(MaNGOS::ComputeCellPair(m_creature->GetPositionX(), m_creature->GetPositionY()));
1217     Cell cell(p);
1218     cell.data.Part.reserved = ALL_DISTRICT;
1219     cell.SetNoCreate();
1220
1221     MaNGOS::FriendlyCCedInRange u_check(m_creature, range);
1222     MaNGOS::CreatureListSearcher<MaNGOS::FriendlyCCedInRange> searcher(m_creature, _list, u_check);
1223
1224     TypeContainerVisitor<MaNGOS::CreatureListSearcher<MaNGOS::FriendlyCCedInRange>, GridTypeMapContainer >  grid_creature_searcher(searcher);
1225
1226     CellLock<GridReadGuard> cell_lock(cell, p);
1227     cell_lock->Visit(cell_lock, grid_creature_searcher, *m_creature->GetMap(), *m_creature, range);
1228 }
1229
1230 void CreatureEventAI::DoFindFriendlyMissingBuff(std::list<Creature*>& _list, float range, uint32 spellid)
1231 {
1232     CellPair p(MaNGOS::ComputeCellPair(m_creature->GetPositionX(), m_creature->GetPositionY()));
1233     Cell cell(p);
1234     cell.data.Part.reserved = ALL_DISTRICT;
1235     cell.SetNoCreate();
1236
1237     MaNGOS::FriendlyMissingBuffInRange u_check(m_creature, range, spellid);
1238     MaNGOS::CreatureListSearcher<MaNGOS::FriendlyMissingBuffInRange> searcher(m_creature, _list, u_check);
1239
1240     TypeContainerVisitor<MaNGOS::CreatureListSearcher<MaNGOS::FriendlyMissingBuffInRange>, GridTypeMapContainer >  grid_creature_searcher(searcher);
1241
1242     CellLock<GridReadGuard> cell_lock(cell, p);
1243     cell_lock->Visit(cell_lock, grid_creature_searcher, *m_creature->GetMap(), *m_creature, range);
1244 }
1245
1246 //*********************************
1247 //*** Functions used globally ***
1248
1249 void CreatureEventAI::DoScriptText(int32 textEntry, WorldObject* pSource, Unit* target)
1250 {
1251     if (!pSource)
1252     {
1253         sLog.outErrorDb("CreatureEventAI: DoScriptText entry %i, invalid Source pointer.",textEntry);
1254         return;
1255     }
1256
1257     if (textEntry >= 0)
1258     {
1259         sLog.outErrorDb("CreatureEventAI: DoScriptText with source entry %u (TypeId=%u, guid=%u) attempts to process text entry %i, but text entry must be negative.",pSource->GetEntry(),pSource->GetTypeId(),pSource->GetGUIDLow(),textEntry);
1260         return;
1261     }
1262
1263     CreatureEventAI_TextMap::const_iterator i = CreatureEAI_Mgr.GetCreatureEventAITextMap().find(textEntry);
1264
1265     if (i == CreatureEAI_Mgr.GetCreatureEventAITextMap().end())
1266     {
1267         sLog.outErrorDb("CreatureEventAI: DoScriptText with source entry %u (TypeId=%u, guid=%u) could not find text entry %i.",pSource->GetEntry(),pSource->GetTypeId(),pSource->GetGUIDLow(),textEntry);
1268         return;
1269     }
1270
1271     sLog.outDebug("CreatureEventAI: DoScriptText: text entry=%i, Sound=%u, Type=%u, Language=%u, Emote=%u",textEntry,(*i).second.SoundId,(*i).second.Type,(*i).second.Language,(*i).second.Emote);
1272
1273     if((*i).second.SoundId)
1274     {
1275         if (GetSoundEntriesStore()->LookupEntry((*i).second.SoundId))
1276             pSource->PlayDirectSound((*i).second.SoundId);
1277         else
1278             sLog.outErrorDb("CreatureEventAI: DoScriptText entry %i tried to process invalid sound id %u.",textEntry,(*i).second.SoundId);
1279     }
1280
1281     if((*i).second.Emote)
1282     {
1283         if (pSource->GetTypeId() == TYPEID_UNIT || pSource->GetTypeId() == TYPEID_PLAYER)
1284         {
1285             ((Unit*)pSource)->HandleEmoteCommand((*i).second.Emote);
1286         }
1287         else
1288             sLog.outErrorDb("CreatureEventAI: DoScriptText entry %i tried to process emote for invalid TypeId (%u).",textEntry,pSource->GetTypeId());
1289     }
1290
1291     switch((*i).second.Type)
1292     {
1293         case CHAT_TYPE_SAY:
1294             pSource->MonsterSay(textEntry, (*i).second.Language, target ? target->GetGUID() : 0);
1295             break;
1296         case CHAT_TYPE_YELL:
1297             pSource->MonsterYell(textEntry, (*i).second.Language, target ? target->GetGUID() : 0);
1298             break;
1299         case CHAT_TYPE_TEXT_EMOTE:
1300             pSource->MonsterTextEmote(textEntry, target ? target->GetGUID() : 0);
1301             break;
1302         case CHAT_TYPE_BOSS_EMOTE:
1303             pSource->MonsterTextEmote(textEntry, target ? target->GetGUID() : 0, true);
1304             break;
1305         case CHAT_TYPE_WHISPER:
1306         {
1307             if (target && target->GetTypeId() == TYPEID_PLAYER)
1308                 pSource->MonsterWhisper(textEntry, target->GetGUID());
1309             else sLog.outErrorDb("CreatureEventAI: DoScriptText entry %i cannot whisper without target unit (TYPEID_PLAYER).", textEntry);
1310         }break;
1311         case CHAT_TYPE_BOSS_WHISPER:
1312         {
1313             if (target && target->GetTypeId() == TYPEID_PLAYER)
1314                 pSource->MonsterWhisper(textEntry, target->GetGUID(), true);
1315             else sLog.outErrorDb("CreatureEventAI: DoScriptText entry %i cannot whisper without target unit (TYPEID_PLAYER).", textEntry);
1316         }break;
1317         case CHAT_TYPE_ZONE_YELL:
1318             pSource->MonsterYellToZone(textEntry, (*i).second.Language, target ? target->GetGUID() : 0);
1319             break;
1320     }
1321 }
1322
1323 void CreatureEventAI::DoMeleeAttackIfReady()
1324 {
1325     //Make sure our attack is ready before checking distance
1326     if (m_creature->isAttackReady())
1327     {
1328         //If we are within range melee the target
1329         if (m_creature->IsWithinDistInMap(m_creature->getVictim(), ATTACK_DISTANCE))
1330         {
1331             m_creature->AttackerStateUpdate(m_creature->getVictim());
1332             m_creature->resetAttackTimer();
1333         }
1334     }
1335 }
1336
1337 bool CreatureEventAI::CanCast(Unit* Target, SpellEntry const *Spell, bool Triggered)
1338 {
1339     //No target so we can't cast
1340     if (!Target || !Spell)
1341         return false;
1342
1343     //Silenced so we can't cast
1344     if (!Triggered && (m_creature->hasUnitState(UNIT_STAT_CONFUSED | UNIT_STAT_STUNNED | UNIT_STAT_FLEEING | UNIT_STAT_DIED)
1345         || m_creature->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PACIFIED)))
1346         return false;
1347
1348     //Check for power
1349     if (!Triggered && m_creature->GetPower((Powers)Spell->powerType) < Spell->manaCost)
1350         return false;
1351
1352     SpellRangeEntry const *TempRange = NULL;
1353
1354     TempRange = GetSpellRangeStore()->LookupEntry(Spell->rangeIndex);
1355
1356     //Spell has invalid range store so we can't use it
1357     if (!TempRange)
1358         return false;
1359
1360     //Unit is out of range of this spell
1361     if (!m_creature->IsInRange(Target,TempRange->minRange,TempRange->maxRange))
1362         return false;
1363
1364     return true;
1365 }
1366
1367 void CreatureEventAI::ReceiveEmote(Player* pPlayer, uint32 text_emote)
1368 {
1369     if (bEmptyList)
1370         return;
1371
1372     for (std::list<CreatureEventAIHolder>::iterator itr = CreatureEventAIList.begin(); itr != CreatureEventAIList.end(); ++itr)
1373     {
1374         if ((*itr).Event.event_type == EVENT_T_RECEIVE_EMOTE)
1375         {
1376             if ((*itr).Event.receive_emote.emoteId != text_emote)
1377                 return;
1378
1379             PlayerCondition pcon((*itr).Event.receive_emote.condition,(*itr).Event.receive_emote.conditionValue1,(*itr).Event.receive_emote.conditionValue2);
1380             if (pcon.Meets(pPlayer))
1381             {
1382                 sLog.outDebug("CreatureEventAI: ReceiveEmote CreatureEventAI: Condition ok, processing");
1383                 ProcessEvent(*itr, pPlayer);
1384             }
1385         }
1386     }
1387 }
1388
1389 void CreatureEventAI::DamageTaken( Unit* done_by, uint32& damage )
1390 {
1391     if(InvinceabilityHpLevel > 0 && m_creature->GetHealth() < InvinceabilityHpLevel+damage)
1392     {
1393         if(m_creature->GetHealth() <= InvinceabilityHpLevel)
1394             damage = 0;
1395         else
1396             damage = m_creature->GetHealth() - InvinceabilityHpLevel;
1397     }
1398 }
1399
1400 bool CreatureEventAI::SpawnedEventConditionsCheck(CreatureEventAI_Event const& event)
1401 {
1402     if(event.event_type != EVENT_T_SPAWNED)
1403         return false;
1404
1405     switch (event.spawned.condition)
1406     {
1407         case SPAWNED_EVENT_ALWAY:
1408             // always
1409             return true;
1410         case SPAWNED_EVENT_MAP:
1411             // map ID check
1412             return m_creature->GetMapId() == event.spawned.conditionValue1;
1413         case SPAWNED_EVENT_ZONE:
1414         {
1415             // zone ID check
1416             uint32 zone, area;
1417             m_creature->GetZoneAndAreaId(zone,area);
1418             return zone == event.spawned.conditionValue1 || area == event.spawned.conditionValue1;
1419         }
1420         default:
1421             break;
1422     }
1423
1424     return false;
1425 }