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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "PassiveAI.h"
#include "Creature.h"
#include "World.h"
PassiveAI::PassiveAI(Creature* c, uint32 scriptId) noexcept : CreatureAI(c, scriptId)
{
me->SetReactState(REACT_PASSIVE);
me->SetCanMelee(false);
}
PossessedAI::PossessedAI(Creature* c, uint32 scriptId) noexcept : CreatureAI(c, scriptId)
{
me->SetReactState(REACT_PASSIVE);
}
NullCreatureAI::NullCreatureAI(Creature* c, uint32 scriptId) noexcept : CreatureAI(c, scriptId)
{
me->SetReactState(REACT_PASSIVE);
me->SetCanMelee(false);
}
int32 NullCreatureAI::Permissible(Creature const* creature)
{
if (creature->HasNpcFlag(UNIT_NPC_FLAG_SPELLCLICK))
return PERMIT_BASE_PROACTIVE + 50;
if (creature->IsTrigger())
return PERMIT_BASE_PROACTIVE;
return PERMIT_BASE_IDLE;
}
void PassiveAI::UpdateAI(uint32)
{
if (me->IsEngaged() && !me->IsInCombat())
EnterEvadeMode(EvadeReason::NoHostiles);
}
void PossessedAI::AttackStart(Unit* target)
{
me->Attack(target, true);
}
void PossessedAI::UpdateAI(uint32 /*diff*/)
{
if (me->GetVictim())
{
if (!me->IsValidAttackTarget(me->GetVictim()))
me->AttackStop();
}
}
void PossessedAI::JustDied(Unit* /*u*/)
{
// We died while possessed, disable our loot
me->RemoveDynamicFlag(UNIT_DYNFLAG_LOOTABLE);
}
CritterAI::CritterAI(Creature* creature, uint32 scriptId) noexcept : PassiveAI(creature, scriptId)
{
me->SetCanMelee(false, true);
}
void CritterAI::JustEngagedWith(Unit* who)
{
me->StartDefaultCombatMovement(who);
_evadeTimer.Reset(Milliseconds(sWorld->getIntConfig(CONFIG_CREATURE_FAMILY_FLEE_DELAY)));
}
void CritterAI::UpdateAI(uint32 diff)
{
if (me->IsEngaged())
{
if (!me->IsInCombat())
{
EnterEvadeMode(EvadeReason::NoHostiles);
return;
}
_evadeTimer.Update(diff);
if (_evadeTimer.Passed())
EnterEvadeMode(EvadeReason::Other);
}
}
int32 CritterAI::Permissible(Creature const* creature)
{
if (creature->IsCritter() && !creature->HasUnitTypeMask(UNIT_MASK_GUARDIAN))
return PERMIT_BASE_PROACTIVE;
return PERMIT_BASE_NO;
}
void TriggerAI::IsSummonedBy(WorldObject* summoner)
{
if (me->m_spells[0])
{
CastSpellExtraArgs extra;
extra.OriginalCaster = summoner->GetGUID();
me->CastSpell(me, me->m_spells[0], extra);
}
}
int32 TriggerAI::Permissible(Creature const* creature)
{
if (creature->IsTrigger() && creature->m_spells[0])
return PERMIT_BASE_SPECIAL;
return PERMIT_BASE_NO;
}
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