src/Engine/Route/ReachFan.hpp

   1 /* Copyright_License {
   2
   3   XCSoar Glide Computer - http://www.xcsoar.org/
   4   Copyright (C) 2000-2013 The XCSoar Project
   5   A detailed list of copyright holders can be found in the file "AUTHORS".
   6
   7   This program is free software; you can redistribute it and/or
   8   modify it under the terms of the GNU General Public License
   9   as published by the Free Software Foundation; either version 2
  10   of the License, or (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20 }
  21 */
  22
  23 #ifndef REACHFAN_HPP
  24 #define REACHFAN_HPP
  25
  26 #include "Geo/Flat/TaskProjection.hpp"
  27 #include "FlatTriangleFanTree.hpp"
  28 #include "Rough/RoughAltitude.hpp"
  29
  30 class RoutePolars;
  31 class RasterMap;
  32 class GeoBounds;
  33 struct ReachResult;
  34
  35 class ReachFan
  36 {
  37   TaskProjection task_proj;
  38   FlatTriangleFanTree root;
  39   RoughAltitude terrain_base;
  40
  41 public:
  42   ReachFan():terrain_base(0) {}
  43
  44   friend class PrintHelper;
  45
  46   bool IsEmpty() const {
  47     return root.IsEmpty();
  48   }
  49
  50   void Reset();
  51
  52   bool Solve(const AGeoPoint origin, const RoutePolars &rpolars,
  53              const RasterMap *terrain, const bool do_solve = true);
  54
  55   bool FindPositiveArrival(const AGeoPoint dest, const RoutePolars &rpolars,
  56                            ReachResult &result_r) const;
  57
  58   bool IsInside(const GeoPoint origin, const bool turning = true) const;
  59
  60   void AcceptInRange(const GeoBounds& bounds,
  61                      TriangleFanVisitor& visitor) const;
  62
  63   RoughAltitude GetTerrainBase() const {
  64     return terrain_base;
  65   }
  66 };
  67
  68 #endif