src/game/HomeMovementGenerator.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 "HomeMovementGenerator.h"
  20 #include "Creature.h"
  21 #include "CreatureAI.h"
  22 #include "Traveller.h"
  23 #include "MapManager.h"
  24 #include "ObjectAccessor.h"
  25 #include "DestinationHolderImp.h"
  26 #include "ObjectMgr.h"
  27 #include "WorldPacket.h"
  28
  29 void
  30 HomeMovementGenerator<Creature>::Initialize(Creature & owner)
  31 {
  32     owner.RemoveUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);
  33     _setTargetLocation(owner);
  34 }
  35
  36 void
  37 HomeMovementGenerator<Creature>::Reset(Creature &)
  38 {
  39 }
  40
  41 void
  42 HomeMovementGenerator<Creature>::_setTargetLocation(Creature & owner)
  43 {
  44     if( !&owner )
  45         return;
  46
  47     if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNNED | UNIT_STAT_DISTRACTED) )
  48         return;
  49
  50     float x, y, z;
  51     owner.GetRespawnCoord(x, y, z);
  52
  53     CreatureTraveller traveller(owner);
  54
  55     uint32 travel_time = i_destinationHolder.SetDestination(traveller, x, y, z);
  56     modifyTravelTime(travel_time);
  57     owner.clearUnitState(UNIT_STAT_ALL_STATE);
  58 }
  59
  60 bool
  61 HomeMovementGenerator<Creature>::Update(Creature &owner, const uint32& time_diff)
  62 {
  63     CreatureTraveller traveller( owner);
  64     i_destinationHolder.UpdateTraveller(traveller, time_diff, false);
  65
  66     if (time_diff > i_travel_timer)
  67     {
  68         owner.AddUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);
  69
  70         // restore orientation of not moving creature at returning to home
  71         if(owner.GetDefaultMovementType()==IDLE_MOTION_TYPE)
  72         {
  73             if(CreatureData const* data = objmgr.GetCreatureData(owner.GetDBTableGUIDLow()))
  74             {
  75                 owner.SetOrientation(data->orientation);
  76                 WorldPacket packet;
  77                 owner.BuildHeartBeatMsg(&packet);
  78                 owner.SendMessageToSet(&packet, false);
  79             }
  80         }
  81
  82         owner.AI()->JustReachedHome();
  83         return false;
  84     }
  85
  86     i_travel_timer -= time_diff;
  87
  88     return true;
  89 }