source/libr2c2/tracktype.h

   1 #ifndef LIBR2C2_TRACKTYPE_H_
   2 #define LIBR2C2_TRACKTYPE_H_
   3
   4 #include <msp/datafile/objectloader.h>
   5 #include "articlenumber.h"
   6 #include "geometry.h"
   7 #include "objecttype.h"
   8 #include "trackpart.h"
   9
  10 namespace R2C2 {
  11
  12 class TrackType: public ObjectType
  13 {
  14 public:
  15         struct Endpoint
  16         {
  17                 Vector pos;
  18                 Angle dir;  // Direction outwards from the endpoint
  19                 unsigned paths;
  20
  21                 Endpoint(float, float, const Angle &, unsigned);
  22
  23                 bool has_path(unsigned p) const { return paths&(1<<p); }
  24                 bool has_common_paths(const Endpoint &e) const { return paths&e.paths; }
  25         };
  26
  27         class Loader: public Msp::DataFile::DerivedObjectLoader<TrackType, ObjectType::Loader>
  28         {
  29         private:
  30                 bool state_bits_set;
  31
  32         public:
  33                 Loader(TrackType &);
  34         private:
  35                 virtual void finish();
  36                 void part();
  37                 void position(float, float, float);
  38                 void state_bits(unsigned);
  39         };
  40
  41 private:
  42         std::vector<TrackPart> parts;
  43         std::vector<Endpoint> endpoints;
  44         unsigned state_bits;
  45         unsigned autofit_preference;
  46         std::string object;
  47
  48 public:
  49         TrackType(const ArticleNumber &);
  50
  51         float get_total_length() const;
  52         float get_path_length(int) const;
  53         unsigned get_paths() const;
  54         unsigned get_n_paths() const;
  55         unsigned get_state_bits() const { return state_bits; }
  56         bool is_turnout() const;
  57         bool is_dead_end() const;
  58         unsigned get_autofit_preference() const { return autofit_preference; }
  59         const std::string &get_object() const { return object; }
  60         const std::vector<TrackPart> &get_parts() const { return parts; }
  61         const std::vector<Endpoint> &get_endpoints() const { return endpoints; }
  62         const Endpoint &get_endpoint(unsigned) const;
  63         TrackPoint get_point(unsigned, unsigned, float) const;
  64         TrackPoint get_nearest_point(const Vector &) const;
  65         bool collide_ray(const Vector &, const Vector &, float) const;
  66
  67 private:
  68         void collect_endpoints();
  69 };
  70
  71 } // namespace R2C2
  72
  73 #endif