ryzom/server/src/ai_service/ai_route_beeline.h

   1 // Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (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 Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18
  19 class CAIRouteBeeline;
  20
  21 #ifndef RYAI_ROUTE_BEELINE_H
  22 #define RYAI_ROUTE_BEELINE_H
  23
  24 #include "nel/misc/types_nl.h"
  25 #include "ai_route.h"
  26
  27 /*
  28         This class implements beeline routes towards points - it is the most
  29         basic form of pathfinding imaginable
  30 */
  31
  32
  33 class CAIRouteBeeline: public CAIRoute
  34 {
  35 public:
  36         // ctors and dtors -------------------------------------------------
  37         CAIRouteBeeline(CAIPos destination)
  38         {
  39                 _destination=destination;
  40         }
  41
  42 public:
  43         // respecting the inheritted interface -----------------------------
  44
  45         virtual double getDirection(CAIPos currentCoord);
  46         virtual bool haveArrived(CAIPos currentCoord,uint dist);
  47
  48 private:
  49         CAIPos _destination;
  50 };
  51
  52
  53 //----------------------------------------------------------------------
  54 // methods
  55
  56 double CAIRouteBeeline::getDirection(CAIPos currentCoord)
  57 {
  58         return currentCoord.directionTo(_destination);
  59 }
  60
  61 double CAIRouteBeeline::haveArrived(CAIPos currentCoord,uint dist)
  62 {
  63         return currentCoord.distTo(_destination)<=dist;
  64 }
  65
  66 #endif