PassiveAI.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * 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/>.
 */

#ifndef TRINITY_PASSIVEAI_H
#define TRINITY_PASSIVEAI_H

#include "CreatureAI.h"

class TC_GAME_API PassiveAI : public CreatureAI
{
 public:
 explicit PassiveAI(Creature* c);

 void MoveInLineOfSight(Unit*) override { }
 void AttackStart(Unit*) override { }
 void UpdateAI(uint32) override;

 static int Permissible(const Creature*) { return PERMIT_BASE_IDLE; }
};

class TC_GAME_API PossessedAI : public CreatureAI
{
 public:
 explicit PossessedAI(Creature* c);

 void MoveInLineOfSight(Unit*) override { }
 void AttackStart(Unit* target) override;
 void UpdateAI(uint32) override;
 void EnterEvadeMode(EvadeReason /*why*/) override { }

 void JustDied(Unit*) override;
 void KilledUnit(Unit* victim) override;

 static int Permissible(const Creature*) { return PERMIT_BASE_IDLE; }
};

class TC_GAME_API NullCreatureAI : public CreatureAI
{
 public:
 explicit NullCreatureAI(Creature* c);

 void MoveInLineOfSight(Unit*) override { }
 void AttackStart(Unit*) override { }
 void UpdateAI(uint32) override { }
 void EnterEvadeMode(EvadeReason /*why*/) override { }
 void OnCharmed(bool /*apply*/) override { }

 static int Permissible(const Creature*) { return PERMIT_BASE_IDLE; }
};

class TC_GAME_API CritterAI : public PassiveAI
{
 public:
 explicit CritterAI(Creature* c) : PassiveAI(c) { }

 void DamageTaken(Unit* done_by, uint32& /*damage*/) override;
 void EnterEvadeMode(EvadeReason why) override;
};

class TC_GAME_API TriggerAI : public NullCreatureAI
{
 public:
 explicit TriggerAI(Creature* c) : NullCreatureAI(c) { }
 void IsSummonedBy(Unit* summoner) override;
};

#endif