src/game/DestinationHolder.h

   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 #ifndef MANGOS_DESTINATION_HOLDER_H
  20 #define MANGOS_DESTINATION_HOLDER_H
  21
  22 #include "Platform/Define.h"
  23 #include "Timer.h"
  24
  25 class WorldObject;
  26 class Map;
  27
  28 #define TRAVELLER_UPDATE_INTERVAL  300
  29
  30 template<typename TRAVELLER>
  31 class MANGOS_DLL_DECL DestinationHolder
  32 {
  33     TimeTrackerSmall i_tracker;
  34     uint32 i_totalTravelTime;
  35     uint32 i_timeElapsed;
  36     bool i_destSet;
  37     float i_fromX, i_fromY, i_fromZ;
  38     float i_destX, i_destY, i_destZ;
  39
  40     public:
  41         DestinationHolder() : i_tracker(TRAVELLER_UPDATE_INTERVAL), i_totalTravelTime(0), i_timeElapsed(0),
  42             i_destSet(false), i_fromX(0), i_fromY(0), i_fromZ(0), i_destX(0), i_destY(0), i_destZ(0) {}
  43
  44         uint32 SetDestination(TRAVELLER &traveller, float dest_x, float dest_y, float dest_z, bool sendMove = true);
  45         void GetDestination(float &x, float &y, float &z) const { x = i_destX; y = i_destY; z = i_destZ; }
  46         bool UpdateExpired(void) const { return i_tracker.Passed(); }
  47         void ResetUpdate(uint32 t = TRAVELLER_UPDATE_INTERVAL) { i_tracker.Reset(t); }
  48         uint32 GetTotalTravelTime(void) const { return i_totalTravelTime; }
  49         void IncreaseTravelTime(uint32 increment) { i_totalTravelTime += increment; }
  50         bool HasDestination(void) const { return i_destSet; }
  51         float GetDestinationDiff(float x, float y, float z) const;
  52         bool HasArrived(void) const { return (i_totalTravelTime == 0 || i_timeElapsed >= i_totalTravelTime); }
  53         bool UpdateTraveller(TRAVELLER &traveller, uint32 diff, bool force_update=false, bool micro_movement=false);
  54         uint32 StartTravel(TRAVELLER &traveller, bool sendMove = true);
  55         void GetLocationNow(const Map * map, float &x, float &y, float &z, bool is3D = false) const;
  56         void GetLocationNowNoMicroMovement(float &x, float &y, float &z) const; // For use without micro movement
  57         float GetDistance3dFromDestSq(const WorldObject &obj) const;
  58
  59     private:
  60         void _findOffSetPoint(float x1, float y1, float x2, float y2, float offset, float &x, float &y);
  61
  62 };
  63 #endif