EverWrath/src/server/game/AI/CoreAI/TotemAI.cpp
2018-03-12 10:54:57 +01:00

105 lines
2.9 KiB
C++

/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#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(Creature const* 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::SpellHit(Unit* /*caster*/, const SpellInfo* /*spellInfo*/)
{
}
void TotemAI::DoAction(int32 /*param*/)
{
}
void TotemAI::MoveInLineOfSight(Unit* /*who*/)
{
}
void TotemAI::EnterEvadeMode()
{
me->CombatStop(true);
}
void TotemAI::UpdateAI(uint32 /*diff*/)
{
if (me->ToTotem()->GetTotemType() != TOTEM_ACTIVE)
return;
if (!me->IsAlive() || me->IsNonMeleeSpellCast(false))
return;
// Search spell
SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(me->ToTotem()->GetSpell());
if (!spellInfo)
return;
// Get spell range
float max_range = spellInfo->GetMaxRange(false);
// 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(*me, i_victimGuid) : NULL;
// Search victim if no, not attackable, or out of range, or friendly (possible in case duel end)
if (!victim ||
!victim->isTargetableForAttack(true, me) || !me->IsWithinDistInMap(victim, max_range) ||
me->IsFriendlyTo(victim) || !me->CanSeeOrDetect(victim))
{
victim = NULL;
Trinity::NearestAttackableUnitInObjectRangeCheck u_check(me, me, max_range);
Trinity::UnitLastSearcher<Trinity::NearestAttackableUnitInObjectRangeCheck> checker(me, victim, u_check);
me->VisitNearbyObject(max_range, checker);
}
// If have target
if (victim)
{
// remember
i_victimGuid = victim->GetGUID();
// attack
me->SetInFront(victim); // client change orientation by self
me->CastSpell(victim, me->ToTotem()->GetSpell(), false);
}
else
i_victimGuid = 0;
}
void TotemAI::AttackStart(Unit* /*victim*/)
{
// Sentry totem sends ping on attack
if (me->GetEntry() == SENTRY_TOTEM_ENTRY && me->GetOwner()->GetTypeId() == TYPEID_PLAYER)
{
WorldPacket data(MSG_MINIMAP_PING, (8+4+4));
data << me->GetGUID();
data << me->GetPositionX();
data << me->GetPositionY();
me->GetOwner()->ToPlayer()->GetSession()->SendPacket(&data);
}
}