TotemAI.cpp

Go to the documentation of this file.

/*
* This file is part of Project SkyFire https://www.projectskyfire.org.
* See LICENSE.md file for Copyright information
*/
 
#include "Creature.h"
#include "DBCStores.h"
#include "ObjectAccessor.h"
#include "SpellMgr.h"
#include "Totem.h"
#include "TotemAI.h"
 
#include "CellImpl.h"
#include "GridNotifiers.h"
#include "GridNotifiersImpl.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::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->IsNonMeleeSpellCasted(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() || !me->IsWithinDistInMap(victim, max_range) ||
        me->IsFriendlyTo(victim) || !me->CanSeeOrDetect(victim))
    {
        victim = NULL;
        Skyfire::NearestAttackableUnitInObjectRangeCheck u_check(me, me, max_range);
        Skyfire::UnitLastSearcher<Skyfire::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*/)
{
}