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                 FRONT_BUFFER,
  27                 BACK_AXLE,
  28                 BACK_BUFFER
  29         };
  30
  31 private:
  32         struct TrackPosition
  33         {
  34                 Track *track;
  35                 unsigned ep;
  36                 float offs;
  37
  38                 TrackPosition();
  39                 TrackPosition(Track *, unsigned, float);
  40                 void advance(float);
  41                 TrackPoint get_point() const;
  42         };
  43
  44         Layout &layout;
  45         const VehicleType &type;
  46         Vehicle *next;
  47         Vehicle *prev;
  48         TrackPosition track_pos;
  49         Point position;
  50         float direction;
  51
  52 public:
  53         Vehicle(Layout &, const VehicleType &);
  54         ~Vehicle();
  55
  56         const VehicleType &get_type() const { return type; }
  57
  58         void place(Track *, unsigned, float, PlaceMode = CENTER);
  59         void advance(float);
  60         Track *get_track() const { return track_pos.track; }
  61         unsigned get_entry() const { return track_pos.ep; }
  62         float get_offset() const { return track_pos.offs; }
  63         const Point &get_position() const { return position; }
  64         float get_direction() const { return direction; }
  65 private:
  66         void update_position();
  67         TrackPoint get_position(float, float, const TrackPosition &);
  68 };
  69
  70 } // namespace Marklin
  71
  72 #endif