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Core/NPC: Creatures now alert when they detect stealthed players (#1060)

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Creatures stop when they detect a stealthed player like in retail.
Closes #1020
This commit is contained in:
Jinyang li
2018-11-01 03:25:23 +08:00
committed by Barbz
parent 59f0d086a6
commit 4b6342b42f
13 changed files with 166 additions and 20 deletions
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28
src/server/game/AI/CreatureAI.cpp
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@@ -1,8 +1,8 @@
/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#include "CreatureAI.h"
#include "CreatureAIImpl.h"
@@ -127,6 +127,26 @@ void CreatureAI::MoveInLineOfSight(Unit* who)
AttackStart(who);
}
// Distract creature, if player gets too close while stealthed/prowling
void CreatureAI::TriggerAlert(Unit const* who) const
{
// If there's no target, or target isn't a player do nothing
if (!who || who->GetTypeId() != TYPEID_PLAYER)
return;
// If this unit isn't an NPC, is already distracted, is in combat, is confused, stunned or fleeing, do nothing
if (me->GetTypeId() != TYPEID_UNIT || me->IsInCombat() || me->HasUnitState(UNIT_STATE_CONFUSED | UNIT_STATE_STUNNED | UNIT_STATE_FLEEING | UNIT_STATE_DISTRACTED))
return;
// Only alert for hostiles!
if (me->IsCivilian() || me->HasReactState(REACT_PASSIVE) || !me->IsHostileTo(who) || !me->_IsTargetAcceptable(who))
return;
// Send alert sound (if any) for this creature
me->SendAIReaction(AI_REACTION_ALERT);
// Face the unit (stealthed player) and set distracted state for 5 seconds
me->SetFacingTo(me->GetAngle(who->GetPositionX(), who->GetPositionY()));
me->StopMoving();
me->GetMotionMaster()->MoveDistract(5 * IN_MILLISECONDS);
}
void CreatureAI::EnterEvadeMode()
{
if (!_EnterEvadeMode())