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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"
#include "Timer.h"
class TC_GAME_API PassiveAI : public CreatureAI
{
public:
explicit PassiveAI(Creature* creature, uint32 scriptId = {}) noexcept;
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 = {}) noexcept;
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 = {}) noexcept;
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:
explicit CritterAI(Creature* creature, uint32 scriptId = {}) noexcept;
void JustEngagedWith(Unit* /*who*/) override;
void UpdateAI(uint32 diff) override;
static int32 Permissible(Creature const* creature);
private:
TimeTracker _evadeTimer;
};
class TC_GAME_API TriggerAI : public NullCreatureAI
{
public:
using NullCreatureAI::NullCreatureAI;
void IsSummonedBy(WorldObject* summoner) override;
static int32 Permissible(Creature const* creature);
};
#endif
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