PassiveAI.h

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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/>.
 */
 
#ifndef TRINITY_PASSIVEAI_H
#define TRINITY_PASSIVEAI_H
 
#include "CreatureAI.h"
 
class TC_GAME_API PassiveAI : public CreatureAI
{
 public:
 explicit PassiveAI(Creature* creature, uint32 scriptId = {});
 
 void MoveInLineOfSight(Unit*) override { }
 void AttackStart(Unit*) override { }
 void UpdateAI(uint32) override;
 
 static int32 Permissible(Creature const* /*creature*/) { return PERMIT_BASE_NO; }
};
 
class TC_GAME_API PossessedAI : public CreatureAI
{
 public:
 explicit PossessedAI(Creature* creature, uint32 scriptId = {});
 
 void MoveInLineOfSight(Unit*) override { }
 void AttackStart(Unit* target) override;
 void JustEnteredCombat(Unit* who) override { EngagementStart(who); }
 void JustExitedCombat() override { EngagementOver(); }
 void JustStartedThreateningMe(Unit*) override { }
 void UpdateAI(uint32) override;
 void EnterEvadeMode(EvadeReason /*why*/) override { }
 
 void JustDied(Unit*) override;
 
 static int32 Permissible(Creature const* /*creature*/) { return PERMIT_BASE_NO; }
};
 
class TC_GAME_API NullCreatureAI : public CreatureAI
{
 public:
 explicit NullCreatureAI(Creature* creature, uint32 scriptId = {});
 
 void MoveInLineOfSight(Unit*) override { }
 void AttackStart(Unit*) override { }
 void JustStartedThreateningMe(Unit*) override { }
 void JustEnteredCombat(Unit*) override { }
 void UpdateAI(uint32) override { }
 void JustAppeared() override { }
 void EnterEvadeMode(EvadeReason /*why*/) override { }
 void OnCharmed(bool /*isNew*/) override { }
 
 static int32 Permissible(Creature const* creature);
};
 
class TC_GAME_API CritterAI : public PassiveAI
{
 public:
 using PassiveAI::PassiveAI;
 
 void JustEngagedWith(Unit* /*who*/) override;
 void EnterEvadeMode(EvadeReason why) override;
 
 void MovementInform(uint32 type, uint32 id) override;
 
 static int32 Permissible(Creature const* creature);
};
 
class TC_GAME_API TriggerAI : public NullCreatureAI
{
 public:
 using NullCreatureAI::NullCreatureAI;
 
 void IsSummonedBy(WorldObject* summoner) override;
 
 static int32 Permissible(Creature const* creature);
};
 
#endif