source/libmarklin/vehicle.h

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2010  Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #ifndef LIBMARKLIN_VEHICLE_H_
   9 #define LIBMARKLIN_VEHICLE_H_
  10
  11 #include "geometry.h"
  12
  13 namespace Marklin {
  14
  15 class Layout;
  16 class Track;
  17 class VehicleType;
  18
  19 class Vehicle
  20 {
  21 public:
  22         enum PlaceMode
  23         {
  24                 CENTER,
  25                 FRONT_AXLE
  26         };
  27
  28 private:
  29         struct TrackPosition
  30         {
  31                 Track *track;
  32                 unsigned ep;
  33                 float offs;
  34
  35                 TrackPosition();
  36                 TrackPosition(Track *, unsigned, float);
  37                 void advance(float);
  38                 TrackPoint get_point() const;
  39         };
  40
  41         Layout &layout;
  42         const VehicleType &type;
  43         Vehicle *next;
  44         Vehicle *prev;
  45         TrackPosition track_pos;
  46         Point position;
  47         float direction;
  48
  49 public:
  50         Vehicle(Layout &, const VehicleType &);
  51         ~Vehicle();
  52
  53         const VehicleType &get_type() const { return type; }
  54
  55         void place(Track *, unsigned, float, PlaceMode = CENTER);
  56         void advance(float);
  57         Track *get_track() const { return track_pos.track; }
  58         const Point &get_position() const { return position; }
  59         float get_direction() const { return direction; }
  60 private:
  61         void update_position();
  62         TrackPoint get_position(float, float, const TrackPosition &);
  63 };
  64
  65 } // namespace Marklin
  66
  67 #endif