src/game/HomeMovementGenerator.cpp

   1 /*
   2  * Copyright (C) 2005-2010 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 "DestinationHolderImp.h"
  24 #include "ObjectMgr.h"
  25 #include "WorldPacket.h"
  26
  27 void
  28 HomeMovementGenerator<Creature>::Initialize(Creature & owner)
  29 {
  30     owner.RemoveSplineFlag(SPLINEFLAG_WALKMODE);
  31     _setTargetLocation(owner);
  32 }
  33
  34 void
  35 HomeMovementGenerator<Creature>::Reset(Creature &)
  36 {
  37 }
  38
  39 void
  40 HomeMovementGenerator<Creature>::_setTargetLocation(Creature & owner)
  41 {
  42     if (owner.hasUnitState(UNIT_STAT_NOT_MOVE))
  43         return;
  44
  45     float x, y, z;
  46
  47     // at apply we can select more nice return points base at current movegen
  48     if (owner.GetMotionMaster()->empty() || !owner.GetMotionMaster()->top()->GetResetPosition(owner,x,y,z))
  49         owner.GetRespawnCoord(x, y, z);
  50
  51     CreatureTraveller traveller(owner);
  52
  53     uint32 travel_time = i_destinationHolder.SetDestination(traveller, x, y, z);
  54     modifyTravelTime(travel_time);
  55     owner.clearUnitState(UNIT_STAT_ALL_STATE);
  56 }
  57
  58 bool
  59 HomeMovementGenerator<Creature>::Update(Creature &owner, const uint32& time_diff)
  60 {
  61     CreatureTraveller traveller( owner);
  62     if (i_destinationHolder.UpdateTraveller(traveller, time_diff, false))
  63     {
  64         if (!IsActive(owner))                               // force stop processing (movement can move out active zone with cleanup movegens list)
  65             return true;                                    // not expire now, but already lost
  66     }
  67
  68     if (time_diff > i_travel_timer)
  69     {
  70         owner.AddSplineFlag(SPLINEFLAG_WALKMODE);
  71
  72         // restore orientation of not moving creature at returning to home
  73         if(owner.GetDefaultMovementType()==IDLE_MOTION_TYPE)
  74         {
  75             if(CreatureData const* data = sObjectMgr.GetCreatureData(owner.GetDBTableGUIDLow()))
  76             {
  77                 owner.SetOrientation(data->orientation);
  78                 WorldPacket packet;
  79                 owner.BuildHeartBeatMsg(&packet);
  80                 owner.SendMessageToSet(&packet, false);
  81             }
  82         }
  83
  84         owner.AI()->JustReachedHome();
  85         return false;
  86     }
  87
  88     i_travel_timer -= time_diff;
  89
  90     return true;
  91 }