src/game/ReactorAI.cpp

   1 /*
   2  * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "ByteBuffer.h"
  20 #include "ReactorAI.h"
  21 #include "Errors.h"
  22 #include "Creature.h"
  23 #include "Log.h"
  24 #include "ObjectAccessor.h"
  25
  26 #define REACTOR_VISIBLE_RANGE (26.46f)
  27
  28 int
  29 ReactorAI::Permissible(const Creature *creature)
  30 {
  31     if( creature->isCivilian() || creature->IsNeutralToAll() )
  32         return PERMIT_BASE_REACTIVE;
  33
  34     return PERMIT_BASE_NO;
  35 }
  36
  37 void
  38 ReactorAI::MoveInLineOfSight(Unit *)
  39 {
  40 }
  41
  42 void
  43 ReactorAI::AttackStart(Unit *p)
  44 {
  45     if(!p)
  46         return;
  47
  48     if(m_creature->Attack(p,true))
  49     {
  50         DEBUG_LOG("Tag unit GUID: %u (TypeId: %u) as a victim", p->GetGUIDLow(), p->GetTypeId());
  51         i_victimGuid = p->GetGUID();
  52         m_creature->AddThreat(p, 0.0f);
  53
  54         m_creature->SetInCombatWith(p);
  55         p->SetInCombatWith(m_creature);
  56
  57         m_creature->GetMotionMaster()->MoveChase(p);
  58     }
  59 }
  60
  61 bool
  62 ReactorAI::IsVisible(Unit *) const
  63 {
  64     return false;
  65 }
  66
  67 void
  68 ReactorAI::UpdateAI(const uint32 /*time_diff*/)
  69 {
  70     // update i_victimGuid if i_creature.getVictim() !=0 and changed
  71     if(!m_creature->SelectHostilTarget() || !m_creature->getVictim())
  72         return;
  73
  74     i_victimGuid = m_creature->getVictim()->GetGUID();
  75
  76     if( m_creature->isAttackReady() )
  77     {
  78         if( m_creature->IsWithinDistInMap(m_creature->getVictim(), ATTACK_DISTANCE))
  79         {
  80             m_creature->AttackerStateUpdate(m_creature->getVictim());
  81             m_creature->resetAttackTimer();
  82         }
  83     }
  84 }
  85
  86 void
  87 ReactorAI::EnterEvadeMode()
  88 {
  89     if( !m_creature->isAlive() )
  90     {
  91         DEBUG_LOG("Creature stoped attacking cuz his dead [guid=%u]", m_creature->GetGUIDLow());
  92         m_creature->GetMotionMaster()->MovementExpired();
  93         m_creature->GetMotionMaster()->MoveIdle();
  94         i_victimGuid = 0;
  95         m_creature->CombatStop(true);
  96         m_creature->DeleteThreatList();
  97         return;
  98     }
  99
 100     Unit* victim = ObjectAccessor::GetUnit(*m_creature, i_victimGuid );
 101
 102     if( !victim  )
 103     {
 104         DEBUG_LOG("Creature stopped attacking because victim is non exist [guid=%u]", m_creature->GetGUIDLow());
 105     }
 106     else if( victim->HasStealthAura() )
 107     {
 108         DEBUG_LOG("Creature stopped attacking cuz his victim is stealth [guid=%u]", m_creature->GetGUIDLow());
 109     }
 110     else if( victim->isInFlight() )
 111     {
 112         DEBUG_LOG("Creature stopped attacking cuz his victim is fly away [guid=%u]", m_creature->GetGUIDLow());
 113     }
 114     else
 115     {
 116         DEBUG_LOG("Creature stopped attacking due to target %s [guid=%u]", victim->isAlive() ? "out run him" : "is dead", m_creature->GetGUIDLow());
 117     }
 118
 119     m_creature->RemoveAllAuras();
 120     m_creature->DeleteThreatList();
 121     i_victimGuid = 0;
 122     m_creature->CombatStop(true);
 123     m_creature->SetLootRecipient(NULL);
 124
 125     // Remove TargetedMovementGenerator from MotionMaster stack list, and add HomeMovementGenerator instead
 126     if( m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == TARGETED_MOTION_TYPE )
 127         m_creature->GetMotionMaster()->MoveTargetedHome();
 128 }