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 path(unsigned);
  27                 void position(float, float, float);
  28                 void rotation(float);
  29                 void sensor_address(unsigned);
  30                 void slope(float);
  31                 void tilt(float);
  32                 void turnout_address(unsigned);
  33         };
  34
  35         typedef std::list<TrackAttachment *> AttachmentList;
  36
  37         sigc::signal<void, unsigned, Track *> signal_link_changed;
  38         sigc::signal<void, unsigned> signal_path_changing;
  39         sigc::signal<void, unsigned> signal_path_changed;
  40
  41 private:
  42         const TrackType &type;
  43         Block *block;
  44         float slope;
  45         bool flex;
  46         unsigned turnout_addr;
  47         unsigned turnout_id;
  48         unsigned sensor_addr;
  49         std::vector<Track *> links;
  50         unsigned active_path;
  51         bool path_changing;
  52         AttachmentList attachments;
  53
  54         Track(const Track &);
  55         Track &operator=(const Track &);
  56 public:
  57         Track(Layout &, const TrackType &);
  58         ~Track();
  59
  60         virtual Track *clone(Layout * = 0) const;
  61         virtual const TrackType &get_type() const { return type; }
  62
  63         void set_block(Block *);
  64         Block &get_block() const;
  65         virtual void set_position(const Vector &);
  66         virtual void set_rotation(const Angle &);
  67         virtual void set_tilt(const Angle &);
  68         void set_flex(bool);
  69         bool get_flex() const { return flex; }
  70 private:
  71         void propagate_slope();
  72         void check_slope();
  73
  74 public:
  75         void set_turnout_address(unsigned);
  76         void set_sensor_address(unsigned);
  77         unsigned get_turnout_address() const { return turnout_addr; }
  78         unsigned get_sensor_address() const { return sensor_addr; }
  79         void set_active_path(unsigned);
  80         unsigned get_active_path() const { return active_path; }
  81         bool is_path_changing() const { return path_changing; }
  82         float get_path_length(int = -1) const;
  83
  84         OrientedPoint get_point(unsigned, unsigned, float) const;
  85         OrientedPoint get_point(unsigned, float) const;
  86
  87         virtual unsigned get_n_snap_nodes() const;
  88         virtual Snap get_snap_node(unsigned) const;
  89         virtual bool snap(Snap &, float, SnapType = SNAP_DEFAULT) const;
  90 private:
  91         virtual SnapType get_default_snap_type_to(const Object &) const;
  92
  93 public:
  94         virtual unsigned get_n_link_slots() const;
  95         virtual Track *get_link(unsigned) const;
  96         const std::vector<Track *> &get_links() const { return links; }
  97         virtual int get_link_slot(const Object &) const;
  98         virtual bool link_to(Object &);
  99         using Object::break_link;
 100         virtual bool break_link(unsigned);
 101
 102         void add_attachment(TrackAttachment &);
 103         void remove_attachment(TrackAttachment &);
 104         const AttachmentList &get_attachments() const { return attachments; }
 105         AttachmentList get_attachments_ordered(unsigned) const;
 106
 107         void save(std::list<Msp::DataFile::Statement> &) const;
 108         void save_dynamic(std::list<Msp::DataFile::Statement> &) const;
 109 private:
 110         void turnout_event(unsigned, unsigned);
 111         void turnout_failed(unsigned);
 112 };
 113
 114 } // namespace R2C2
 115
 116 #endif