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 class TrackAttachment;
  17
  18 class Track: public Object, public sigc::trackable
  19 {
  20 public:
  21         class Loader: public Msp::DataFile::ObjectLoader<Track>
  22         {
  23         public:
  24                 Loader(Track &);
  25         private:
  26                 void position(float, float, float);
  27                 void rotation(float);
  28                 void sensor_id(unsigned);
  29                 void slope(float);
  30                 void tilt(float);
  31                 void turnout_id(unsigned);
  32         };
  33
  34         typedef std::list<TrackAttachment *> AttachmentList;
  35
  36         sigc::signal<void, unsigned, Track *> signal_link_changed;
  37         sigc::signal<void, unsigned> signal_path_changing;
  38         sigc::signal<void, unsigned> signal_path_changed;
  39
  40 private:
  41         const TrackType &type;
  42         Block *block;
  43         float slope;
  44         bool flex;
  45         unsigned turnout_id;
  46         unsigned sensor_id;
  47         std::vector<Track *> links;
  48         unsigned active_path;
  49         bool path_changing;
  50         AttachmentList attachments;
  51
  52         Track(const Track &);
  53         Track &operator=(const Track &);
  54 public:
  55         Track(Layout &, const TrackType &);
  56         ~Track();
  57
  58         virtual Track *clone(Layout * = 0) const;
  59         virtual const TrackType &get_type() const { return type; }
  60
  61         void set_block(Block *);
  62         Block &get_block() const;
  63         virtual void set_position(const Vector &);
  64         virtual void set_rotation(const Angle &);
  65         virtual void set_tilt(const Angle &);
  66         void set_flex(bool);
  67         bool get_flex() const { return flex; }
  68 private:
  69         void propagate_slope();
  70         void check_slope();
  71
  72 public:
  73         void set_turnout_id(unsigned);
  74         void set_sensor_id(unsigned);
  75         unsigned get_turnout_id() const { return turnout_id; }
  76         unsigned get_sensor_id() const { return sensor_id; }
  77         void set_active_path(unsigned);
  78         unsigned get_active_path() const { return active_path; }
  79         bool is_path_changing() const { return path_changing; }
  80
  81         TrackPoint get_point(unsigned, unsigned, float) const;
  82         TrackPoint get_point(unsigned, float) const;
  83
  84         virtual unsigned get_n_snap_nodes() const;
  85         virtual Snap get_snap_node(unsigned) const;
  86         virtual bool snap(Snap &, float, SnapType = SNAP_DEFAULT) const;
  87 private:
  88         virtual SnapType get_default_snap_type_to(const Object &) const;
  89
  90 public:
  91         virtual unsigned get_n_link_slots() const;
  92         virtual Track *get_link(unsigned) const;
  93         const std::vector<Track *> &get_links() const { return links; }
  94         virtual int get_link_slot(const Object &) const;
  95         virtual bool link_to(Object &);
  96         using Object::break_link;
  97         virtual bool break_link(unsigned);
  98
  99         void add_attachment(TrackAttachment &);
 100         void remove_attachment(TrackAttachment &);
 101         const AttachmentList &get_attachments() const { return attachments; }
 102         AttachmentList get_attachments_ordered(unsigned) const;
 103
 104         void save(std::list<Msp::DataFile::Statement> &) const;
 105 private:
 106         void turnout_event(unsigned, unsigned);
 107 };
 108
 109 } // namespace R2C2
 110
 111 #endif