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 "trackpart.h"
   8
   9 namespace R2C2 {
  10
  11 class TrackType
  12 {
  13 public:
  14         struct Endpoint
  15         {
  16                 Vector pos;
  17                 float dir;  // Direction outwards from the endpoint
  18                 unsigned paths;
  19
  20                 Endpoint(float, float, float, unsigned);
  21
  22                 bool has_path(unsigned p) const { return paths&(1<<p); }
  23                 bool has_common_paths(const Endpoint &e) const { return paths&e.paths; }
  24         };
  25
  26         class Loader: public Msp::DataFile::ObjectLoader<TrackType>
  27         {
  28         private:
  29                 bool state_bits_set;
  30
  31         public:
  32                 Loader(TrackType &);
  33         private:
  34                 virtual void finish();
  35                 void part();
  36                 void position(float, float, float);
  37                 void state_bits(unsigned);
  38         };
  39
  40 private:
  41         ArticleNumber art_nr;
  42         std::string description;
  43         std::vector<TrackPart> parts;
  44         std::vector<Endpoint> endpoints;
  45         unsigned state_bits;
  46         unsigned autofit_preference;
  47         std::string object;
  48
  49 public:
  50         TrackType(const ArticleNumber &);
  51
  52         const ArticleNumber &get_article_number() const { return art_nr; }
  53         const std::string &get_description() const { return description; }
  54         float get_total_length() const;
  55         float get_path_length(int) const;
  56         unsigned get_paths() const;
  57         unsigned get_n_paths() const;
  58         unsigned get_state_bits() const { return state_bits; }
  59         bool is_turnout() const;
  60         bool is_dead_end() const;
  61         unsigned get_autofit_preference() const { return autofit_preference; }
  62         const std::string &get_object() const { return object; }
  63         const std::vector<TrackPart> &get_parts() const { return parts; }
  64         const std::vector<Endpoint> &get_endpoints() const { return endpoints; }
  65         const Endpoint &get_endpoint(unsigned) const;
  66         TrackPoint get_point(unsigned, unsigned, float) const;
  67         TrackPoint get_nearest_point(const Vector &) const;
  68         bool collide_ray(const Vector &, const Vector &, float) const;
  69
  70 private:
  71         void collect_endpoints();
  72 };
  73
  74 } // namespace R2C2
  75
  76 #endif