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129 lines
3.4 KiB
C++
129 lines
3.4 KiB
C++
/**
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* MaNGOS is a full featured server for World of Warcraft, supporting
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* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
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*
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* Copyright (C) 2005-2020 MaNGOS <https://getmangos.eu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* World of Warcraft, and all World of Warcraft or Warcraft art, images,
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* and lore are copyrighted by Blizzard Entertainment, Inc.
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*/
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#include "TotemAI.h"
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#include "Totem.h"
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#include "Creature.h"
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#include "DBCStores.h"
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#include "SpellMgr.h"
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#include "GridNotifiers.h"
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#include "GridNotifiersImpl.h"
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#include "CellImpl.h"
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int
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TotemAI::Permissible(const Creature* creature)
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{
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if (creature->IsTotem())
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{
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return PERMIT_BASE_PROACTIVE;
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}
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return PERMIT_BASE_NO;
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}
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TotemAI::TotemAI(Creature* c) : CreatureAI(c)
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{
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}
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void
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TotemAI::MoveInLineOfSight(Unit*)
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{
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}
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void TotemAI::EnterEvadeMode()
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{
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m_creature->CombatStop(true);
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}
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void
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TotemAI::UpdateAI(const uint32 /*diff*/)
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{
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if (getTotem().GetTotemType() != TOTEM_ACTIVE)
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{
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return;
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}
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if (!m_creature->IsAlive() || m_creature->IsNonMeleeSpellCasted(false))
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{
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return;
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}
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// Search spell
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SpellEntry const* spellInfo = sSpellStore.LookupEntry(getTotem().GetSpell());
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if (!spellInfo)
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{
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return;
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}
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// Get spell rangy
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SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(spellInfo->GetRangeIndex());
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float max_range = GetSpellMaxRange(srange);
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// SPELLMOD_RANGE not applied in this place just because nonexistent range mods for attacking totems
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// pointer to appropriate target if found any
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Unit* victim = m_creature->GetMap()->GetUnit(i_victimGuid);
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// Search victim if no, not attackable, or out of range, or friendly (possible in case duel end)
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if (!victim ||
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!victim->IsTargetableForAttack() || !m_creature->IsWithinDistInMap(victim, max_range) ||
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m_creature->IsFriendlyTo(victim) || !victim->IsVisibleForOrDetect(m_creature, m_creature, false))
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{
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victim = NULL;
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MaNGOS::NearestAttackableUnitInObjectRangeCheck u_check(m_creature, m_creature, max_range);
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MaNGOS::UnitLastSearcher<MaNGOS::NearestAttackableUnitInObjectRangeCheck> checker(victim, u_check);
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Cell::VisitAllObjects(m_creature, checker, max_range);
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}
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// If have target
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if (victim)
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{
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// remember
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i_victimGuid = victim->GetObjectGuid();
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// attack
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m_creature->SetInFront(victim); // client change orientation by self
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m_creature->CastSpell(victim, getTotem().GetSpell(), false);
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}
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else
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i_victimGuid.Clear();
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}
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bool
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TotemAI::IsVisible(Unit*) const
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{
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return false;
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}
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void
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TotemAI::AttackStart(Unit*)
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{
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}
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Totem& TotemAI::getTotem()
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{
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return static_cast<Totem&>(*m_creature);
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}
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