track.h

   1 /* $Id$
   2
   3 This file is part of R²C²
   4 Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #ifndef LIBR2C2_TRACK_H_
   9 #define LIBR2C2_TRACK_H_
  10
  11 #include <list>
  12 #include <set>
  13 #include <sigc++/trackable.h>
  14 #include <msp/datafile/loader.h>
  15 #include "geometry.h"
  16
  17 namespace R2C2 {
  18
  19 class Block;
  20 class Layout;
  21 class TrackType;
  22
  23 class Track: public sigc::trackable
  24 {
  25 public:
  26         class Loader: public Msp::DataFile::BasicLoader<Track>
  27         {
  28         public:
  29                 Loader(Track &);
  30         private:
  31                 void position(float, float, float);
  32                 void sensor_id(unsigned);
  33                 void turnout_id(unsigned);
  34         };
  35
  36         sigc::signal<void, unsigned> signal_path_changed;
  37
  38 private:
  39         Layout &layout;
  40         const TrackType &type;
  41         Block *block;
  42         Point pos;
  43         float rot;
  44         float slope;
  45         bool flex;
  46         unsigned turnout_id;
  47         unsigned sensor_id;
  48         std::vector<Track *> links;
  49         unsigned active_path;
  50
  51         Track(const Track &);
  52         Track &operator=(const Track &);
  53 public:
  54         Track(Layout &, const TrackType &);
  55         ~Track();
  56
  57         Layout &get_layout() const { return layout; }
  58         const TrackType &get_type() const { return type; }
  59
  60         void set_block(Block *);
  61         Block &get_block() const;
  62         void set_position(const Point &);
  63         void set_rotation(float);
  64         void set_slope(float);
  65         void set_flex(bool);
  66         const Point &get_position() const { return pos; }
  67         float get_rotation() const { return rot; }
  68         float get_slope() const { return slope; }
  69         bool get_flex() const { return flex; }
  70         void check_slope();
  71
  72         void set_turnout_id(unsigned);
  73         void set_sensor_id(unsigned);
  74         unsigned get_turnout_id() const { return turnout_id; }
  75         unsigned get_sensor_id() const { return sensor_id; }
  76         void set_active_path(unsigned);
  77         unsigned get_active_path() const { return active_path; }
  78
  79         int get_endpoint_by_link(Track &) const;
  80         Point get_endpoint_position(unsigned) const;
  81         float get_endpoint_direction(unsigned) const;
  82         bool snap_to(Track &, bool, float = 0);
  83         bool snap(Point &, float &) const;
  84         void break_link(Track &);
  85         void break_links();
  86         const std::vector<Track *> &get_links() const { return links; }
  87         Track *get_link(unsigned) const;
  88         TrackPoint get_point(unsigned, unsigned, float) const;
  89         TrackPoint get_point(unsigned, float) const;
  90
  91         void save(std::list<Msp::DataFile::Statement> &) const;
  92 private:
  93         void turnout_event(unsigned, bool);
  94 };
  95
  96 } // namespace R2C2
  97
  98 #endif