source/libr2c2/track.h

   1 #ifndef LIBR2C2_TRACK_H_
   2 #define LIBR2C2_TRACK_H_
   3
   4 #include <list>
   5 #include <set>
   6 #include <sigc++/trackable.h>
   7 #include <msp/datafile/objectloader.h>
   8 #include "geometry.h"
   9 #include "object.h"
  10 #include "tracktype.h"
  11
  12 namespace R2C2 {
  13
  14 class Block;
  15 class Layout;
  16
  17 class Track: public Object, public sigc::trackable
  18 {
  19 public:
  20         class Loader: public Msp::DataFile::ObjectLoader<Track>
  21         {
  22         public:
  23                 Loader(Track &);
  24         private:
  25                 void position(float, float, float);
  26                 void rotation(float);
  27                 void sensor_id(unsigned);
  28                 void slope(float);
  29                 void tilt(float);
  30                 void turnout_id(unsigned);
  31         };
  32
  33         sigc::signal<void, unsigned, Track *> signal_link_changed;
  34         sigc::signal<void, unsigned> signal_path_changing;
  35         sigc::signal<void, unsigned> signal_path_changed;
  36
  37 private:
  38         const TrackType &type;
  39         Block *block;
  40         float slope;
  41         bool flex;
  42         unsigned turnout_id;
  43         unsigned sensor_id;
  44         std::vector<Track *> links;
  45         unsigned active_path;
  46         bool path_changing;
  47
  48         Track(const Track &);
  49         Track &operator=(const Track &);
  50 public:
  51         Track(Layout &, const TrackType &);
  52         ~Track();
  53
  54         virtual Track *clone(Layout * = 0) const;
  55         virtual const TrackType &get_type() const { return type; }
  56
  57         void set_block(Block *);
  58         Block &get_block() const;
  59         virtual void set_position(const Vector &);
  60         virtual void set_rotation(const Angle &);
  61         virtual void set_tilt(const Angle &);
  62         void set_flex(bool);
  63         bool get_flex() const { return flex; }
  64 private:
  65         void propagate_slope();
  66         void check_slope();
  67
  68 public:
  69         void set_turnout_id(unsigned);
  70         void set_sensor_id(unsigned);
  71         unsigned get_turnout_id() const { return turnout_id; }
  72         unsigned get_sensor_id() const { return sensor_id; }
  73         void set_active_path(unsigned);
  74         unsigned get_active_path() const { return active_path; }
  75         bool is_path_changing() const { return path_changing; }
  76
  77         TrackPoint get_point(unsigned, unsigned, float) const;
  78         TrackPoint get_point(unsigned, float) const;
  79
  80         virtual unsigned get_n_snap_nodes() const;
  81         virtual Snap get_snap_node(unsigned) const;
  82         virtual bool snap(Snap &, float, SnapType = SNAP_DEFAULT) const;
  83 private:
  84         virtual SnapType get_default_snap_type_to(const Object &) const;
  85
  86 public:
  87         virtual unsigned get_n_link_slots() const;
  88         virtual Track *get_link(unsigned) const;
  89         const std::vector<Track *> &get_links() const { return links; }
  90         virtual int get_link_slot(const Object &) const;
  91         virtual bool link_to(Object &);
  92         using Object::break_link;
  93         virtual bool break_link(unsigned);
  94
  95         void save(std::list<Msp::DataFile::Statement> &) const;
  96 private:
  97         void turnout_event(unsigned, unsigned);
  98 };
  99
 100 } // namespace R2C2
 101
 102 #endif