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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2009 Trinity <http://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "CreatureAI.h"
#include "Creature.h"
#include "Player.h"
#include "Pet.h"
#include "SpellAuras.h"
void UnitAI::AttackStart(Unit *victim)
{
if(!victim)
return;
if(me->Attack(victim, true))
{
//DEBUG_LOG("Creature %s tagged a victim to kill [guid=%u]", me->GetName(), victim->GetGUIDLow());
me->GetMotionMaster()->MoveChase(victim);
}
}
void UnitAI::DoMeleeAttackIfReady()
{
//Make sure our attack is ready and we aren't currently casting before checking distance
if (me->isAttackReady() && !me->hasUnitState(UNIT_STAT_CASTING))
{
//If we are within range melee the target
if (me->IsWithinMeleeRange(me->getVictim()))
{
me->AttackerStateUpdate(me->getVictim());
me->resetAttackTimer();
}
}
if (me->haveOffhandWeapon() && me->isAttackReady(OFF_ATTACK) && !me->hasUnitState(UNIT_STAT_CASTING))
{
//If we are within range melee the target
if (me->IsWithinMeleeRange(me->getVictim()))
{
me->AttackerStateUpdate(me->getVictim(), OFF_ATTACK);
me->resetAttackTimer(OFF_ATTACK);
}
}
}
//Enable PlayerAI when charmed
void PlayerAI::OnCharmed(bool apply) { me->IsAIEnabled = apply; }
//Disable CreatureAI when charmed
void CreatureAI::OnCharmed(bool apply)
{
//me->IsAIEnabled = !apply;*/
me->NeedChangeAI = true;
me->IsAIEnabled = false;
}
void CreatureAI::DoZoneInCombat(Unit* pUnit)
{
if (!pUnit)
pUnit = me;
Map *map = pUnit->GetMap();
if (!map->IsDungeon()) //use IsDungeon instead of Instanceable, in case battlegrounds will be instantiated
{
sLog.outError("DoZoneInCombat call for map that isn't an instance (pUnit entry = %d)", pUnit->GetTypeId() == TYPEID_UNIT ? ((Creature*)pUnit)->GetEntry() : 0);
return;
}
if (!pUnit->CanHaveThreatList() || pUnit->getThreatManager().isThreatListEmpty())
{
sLog.outError("DoZoneInCombat called for creature that either cannot have threat list or has empty threat list (pUnit entry = %d)", pUnit->GetTypeId() == TYPEID_UNIT ? ((Creature*)pUnit)->GetEntry() : 0);
return;
}
Map::PlayerList const &PlayerList = map->GetPlayers();
for(Map::PlayerList::const_iterator i = PlayerList.begin(); i != PlayerList.end(); ++i)
{
if (Player* i_pl = i->getSource())
if (i_pl->isAlive())
{
pUnit->SetInCombatWith(i_pl);
i_pl->SetInCombatWith(pUnit);
pUnit->AddThreat(i_pl, 0.0f);
}
}
}
void CreatureAI::MoveInLineOfSight(Unit *who)
{
if(!me->getVictim() && me->canStartAttack(who))
AttackStart(who);
if (who->isInCombat() && who->getVictim() && me->GetCreatureType()==CREATURE_TYPE_HUMANOID && me->IsFriendlyTo(who))
{
if (me->GetDistanceZ(who) <= 2 && me->IsWithinLOSInMap(who))
{
float attackRadius = (me->GetAttackDistance(who) *0.5);
if (me->IsWithinDistInMap(who, attackRadius))
{
Unit* target = NULL;
target = who->getVictim();
AttackStart(target);
}
}
}
}
bool CreatureAI::UpdateVictim()
{
if(!me->isInCombat())
return false;
if(Unit *victim = me->SelectVictim())
AttackStart(victim);
return me->getVictim();
}
void CreatureAI::EnterEvadeMode()
{
me->RemoveAllAuras();
me->DeleteThreatList();
me->CombatStop();
me->LoadCreaturesAddon();
me->SetLootRecipient(NULL);
if(me->isAlive())
me->GetMotionMaster()->MoveTargetedHome();
}
void SimpleCharmedAI::UpdateAI(const uint32 /*diff*/)
{
Creature *charmer = (Creature*)me->GetCharmer();
//kill self if charm aura has infinite duration
if(charmer->IsInEvadeMode())
{
Unit::AuraEffectList const& auras = me->GetAurasByType(SPELL_AURA_MOD_CHARM);
for(Unit::AuraEffectList::const_iterator iter = auras.begin(); iter != auras.end(); ++iter)
if((*iter)->GetCasterGUID() == charmer->GetGUID() && (*iter)->GetParentAura()->IsPermanent())
{
charmer->Kill(me);
return;
}
}
if(!charmer->isInCombat())
me->GetMotionMaster()->MoveFollow(charmer, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
Unit *target = me->getVictim();
if(!target || !charmer->canAttack(target))
AttackStart(charmer->SelectNearestTarget());
}
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