src/game/DestinationHolder.h

   1 /*
   2  * Copyright (C) 2005,2006 MaNGOS <http://www.mangosproject.org/>
   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 #ifndef MANGOS_DESTINATION_HOLDER_H
  20 #define MANGOS_DESTINATION_HOLDER_H
  21
  22 #include "Platform/Define.h"
  23 #include "Timer.h"
  24
  25 class Object;
  26
  27 #define TRAVELLER_UPDATE_INTERVAL  300
  28
  29 template<typename TRAVELLER>
  30 class MANGOS_DLL_DECL DestinationHolder
  31 {
  32     TimeTracker i_tracker;
  33     uint32 i_totalTravelTime;
  34     uint32 i_timeStarted;
  35     float i_fromX, i_fromY, i_fromZ;
  36     float i_destX, i_destY, i_destZ;
  37
  38     public:
  39         DestinationHolder() : i_tracker(TRAVELLER_UPDATE_INTERVAL), i_totalTravelTime(0), i_timeStarted(0) {}
  40
  41         uint32 SetDestination(TRAVELLER &traveller, float dest_x, float dest_y, float dest_z, float offset = 0);
  42         inline bool UpdateExpired(void) const { return i_tracker.Passed(); }
  43         inline void ResetUpdate(uint32 t = TRAVELLER_UPDATE_INTERVAL) { i_tracker.Reset(TRAVELLER_UPDATE_INTERVAL); }
  44         inline uint32 GetTotalTravelTime(void) const { return i_totalTravelTime; }
  45         inline uint32 GetStartTravelTime(void) const { return i_timeStarted; }
  46         inline bool HasArrived(void) const { return (i_totalTravelTime == 0 || (getMSTime() - i_timeStarted) >= i_totalTravelTime); }
  47         bool UpdateTraveller(TRAVELLER &traveller, uint32 diff, bool force_update);
  48         void UpdateLocation(TRAVELLER &traveller, float, float, float);
  49         void GetLocationNow(float &x, float &y, float &z) const;
  50         float GetDistanceFromDestSq(const Object &obj) const;
  51
  52     private:
  53         void _findOffSetPoint(float x1, float y1, float x2, float y2, float offset, float &x, float &y);
  54
  55 };
  56 #endif