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(i_creature.Attack(p,true))
  49     {
  50         DEBUG_LOG("Tag unit GUID: %u (TypeId: %u) as a victim", p->GetGUIDLow(), p->GetTypeId());
  51         i_creature.SetInCombatWith(p);
  52         p->SetInCombatWith(&i_creature);
  53
  54         i_creature.AddThreat(p, 0.0f);
  55         i_victimGuid = p->GetGUID();
  56         i_creature.GetMotionMaster()->MoveChase(p);
  57     }
  58 }
  59
  60 bool
  61 ReactorAI::IsVisible(Unit *) const
  62 {
  63     return false;
  64 }
  65
  66 void
  67 ReactorAI::UpdateAI(const uint32 /*time_diff*/)
  68 {
  69     // update i_victimGuid if i_creature.getVictim() !=0 and changed
  70     if(!i_creature.SelectHostilTarget() || !i_creature.getVictim())
  71         return;
  72
  73     i_victimGuid = i_creature.getVictim()->GetGUID();
  74
  75     if( i_creature.isAttackReady() )
  76     {
  77         if( i_creature.IsWithinDistInMap(i_creature.getVictim(), ATTACK_DISTANCE))
  78         {
  79             i_creature.AttackerStateUpdate(i_creature.getVictim());
  80             i_creature.resetAttackTimer();
  81         }
  82     }
  83 }
  84
  85 void
  86 ReactorAI::EnterEvadeMode()
  87 {
  88     if( !i_creature.isAlive() )
  89     {
  90         DEBUG_LOG("Creature stoped attacking cuz his dead [guid=%u]", i_creature.GetGUIDLow());
  91         i_creature.GetMotionMaster()->MovementExpired();
  92         i_creature.GetMotionMaster()->MoveIdle();
  93         i_victimGuid = 0;
  94         i_creature.CombatStop();
  95         i_creature.DeleteThreatList();
  96         return;
  97     }
  98
  99     Unit* victim = ObjectAccessor::GetUnit(i_creature, i_victimGuid );
 100
 101     if( !victim  )
 102     {
 103         DEBUG_LOG("Creature stopped attacking because victim is non exist [guid=%u]", i_creature.GetGUIDLow());
 104     }
 105     else if( victim->HasStealthAura() )
 106     {
 107         DEBUG_LOG("Creature stopped attacking cuz his victim is stealth [guid=%u]", i_creature.GetGUIDLow());
 108     }
 109     else if( victim->isInFlight() )
 110     {
 111         DEBUG_LOG("Creature stopped attacking cuz his victim is fly away [guid=%u]", i_creature.GetGUIDLow());
 112     }
 113     else
 114     {
 115         DEBUG_LOG("Creature stopped attacking due to target %s [guid=%u]", victim->isAlive() ? "out run him" : "is dead", i_creature.GetGUIDLow());
 116     }
 117
 118     i_creature.RemoveAllAuras();
 119     i_creature.DeleteThreatList();
 120     i_victimGuid = 0;
 121     i_creature.CombatStop();
 122     i_creature.SetLootRecipient(NULL);
 123
 124     // Remove TargetedMovementGenerator from MotionMaster stack list, and add HomeMovementGenerator instead
 125     if( i_creature.GetMotionMaster()->GetCurrentMovementGeneratorType() == TARGETED_MOTION_TYPE )
 126         i_creature.GetMotionMaster()->MoveTargetedHome();
 127 }