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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2010 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 "TotemAI.h"
#include "Totem.h"
#include "Creature.h"
#include "DBCStores.h"
#include "ObjectAccessor.h"
#include "SpellMgr.h"
#include "GridNotifiers.h"
#include "GridNotifiersImpl.h"
#include "CellImpl.h"
int
TotemAI::Permissible(const Creature *creature)
{
if (creature->isTotem())
return PERMIT_BASE_PROACTIVE;
return PERMIT_BASE_NO;
}
TotemAI::TotemAI(Creature *c) : CreatureAI(c), i_victimGuid(0)
{
assert(c->isTotem());
}
void
TotemAI::MoveInLineOfSight(Unit *)
{
}
void TotemAI::EnterEvadeMode()
{
m_creature->CombatStop(true);
}
void
TotemAI::UpdateAI(const uint32 /*diff*/)
{
if (m_creature->ToTotem()->GetTotemType() != TOTEM_ACTIVE)
return;
if (!m_creature->isAlive() || m_creature->IsNonMeleeSpellCasted(false))
return;
// Search spell
SpellEntry const *spellInfo = sSpellStore.LookupEntry(m_creature->ToTotem()->GetSpell());
if (!spellInfo)
return;
// Get spell range
SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(spellInfo->rangeIndex);
float max_range = GetSpellMaxRangeForHostile(srange);
// SPELLMOD_RANGE not applied in this place just because not existence range mods for attacking totems
// pointer to appropriate target if found any
Unit* victim = i_victimGuid ? ObjectAccessor::GetUnit(*m_creature, i_victimGuid) : NULL;
// Search victim if no, not attackable, or out of range, or friendly (possible in case duel end)
if (!victim ||
!victim->isTargetableForAttack() || !m_creature->IsWithinDistInMap(victim, max_range) ||
m_creature->IsFriendlyTo(victim) || !victim->isVisibleForOrDetect(m_creature,false))
{
victim = NULL;
Trinity::NearestAttackableUnitInObjectRangeCheck u_check(m_creature, m_creature, max_range);
Trinity::UnitLastSearcher<Trinity::NearestAttackableUnitInObjectRangeCheck> checker(m_creature, victim, u_check);
m_creature->VisitNearbyObject(max_range, checker);
}
// If have target
if (victim)
{
// remember
i_victimGuid = victim->GetGUID();
// attack
m_creature->SetInFront(victim); // client change orientation by self
m_creature->CastSpell(victim, m_creature->ToTotem()->GetSpell(), false);
}
else
i_victimGuid = 0;
}
void
TotemAI::AttackStart(Unit *)
{
// Sentry totem sends ping on attack
if (m_creature->GetEntry() == SENTRY_TOTEM_ENTRY && m_creature->GetOwner()->GetTypeId() == TYPEID_PLAYER)
{
WorldPacket data(MSG_MINIMAP_PING, (8+4+4));
data << m_creature->GetGUID();
data << m_creature->GetPositionX();
data << m_creature->GetPositionY();
((Player*)m_creature->GetOwner())->GetSession()->SendPacket(&data);
}
}
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