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         int preferred_exit;
  54
  55         Track(const Track &);
  56         Track &operator=(const Track &);
  57 public:
  58         Track(Layout &, const TrackType &);
  59         ~Track();
  60
  61         virtual Track *clone(Layout * = 0) const;
  62         virtual const TrackType &get_type() const { return type; }
  63
  64         void set_block(Block *);
  65         Block &get_block() const;
  66         virtual void set_position(const Vector &);
  67         virtual void set_rotation(const Angle &);
  68         virtual void set_tilt(const Angle &);
  69         void set_flex(bool);
  70         bool get_flex() const { return flex; }
  71 private:
  72         void propagate_slope();
  73         void check_slope();
  74
  75 public:
  76         void set_turnout_address(unsigned);
  77         void set_sensor_address(unsigned);
  78         unsigned get_turnout_address() const { return turnout_addr; }
  79         unsigned get_sensor_address() const { return sensor_addr; }
  80         void set_preferred_exit(int);
  81         int get_preferred_exit() const { return preferred_exit; }
  82         void set_active_path(unsigned);
  83         unsigned get_active_path() const { return active_path; }
  84         bool is_path_changing() const { return path_changing; }
  85         float get_path_length(int = -1) const;
  86
  87         OrientedPoint get_point(unsigned, unsigned, float) const;
  88         OrientedPoint get_point(unsigned, float) const;
  89
  90         virtual unsigned get_n_snap_nodes() const;
  91         virtual Snap get_snap_node(unsigned) const;
  92         virtual bool snap(Snap &, float, SnapType = SNAP_DEFAULT) const;
  93 private:
  94         virtual SnapType get_default_snap_type_to(const Object &) const;
  95
  96 public:
  97         virtual unsigned get_n_link_slots() const;
  98         virtual Track *get_link(unsigned) const;
  99         const std::vector<Track *> &get_links() const { return links; }
 100         virtual int get_link_slot(const Object &) const;
 101         virtual bool link_to(Object &);
 102         using Object::break_link;
 103         virtual bool break_link(unsigned);
 104
 105         void add_attachment(TrackAttachment &);
 106         void remove_attachment(TrackAttachment &);
 107         const AttachmentList &get_attachments() const { return attachments; }
 108         AttachmentList get_attachments_ordered(unsigned) const;
 109
 110         void save(std::list<Msp::DataFile::Statement> &) const;
 111         void save_dynamic(std::list<Msp::DataFile::Statement> &) const;
 112 private:
 113         void turnout_event(unsigned, unsigned);
 114         void turnout_failed(unsigned);
 115 };
 116
 117 } // namespace R2C2
 118
 119 #endif