source/libr2c2/signal.h

   1 #ifndef LIBR2C2_SIGNAL_H_
   2 #define LIBR2C2_SIGNAL_H_
   3
   4 #include <msp/datafile/objectloader.h>
   5 #include <msp/time/timedelta.h>
   6 #include "geometry.h"
   7
   8 namespace R2C2 {
   9
  10 class Block;
  11 class Layout;
  12 class SignalType;
  13 class Track;
  14 class Train;
  15
  16 class Signal
  17 {
  18 public:
  19         class Loader: public Msp::DataFile::ObjectLoader<Signal>
  20         {
  21         public:
  22                 Loader(Signal &);
  23
  24         private:
  25                 void address(unsigned);
  26                 void direction(float);
  27                 void position(float, float, float);
  28         };
  29
  30 private:
  31         Layout &layout;
  32         const SignalType &type;
  33         unsigned address;
  34         Vector position;
  35         float direction;
  36         Track *track;
  37         Block *block;
  38         unsigned entry;
  39         Train *train;
  40         sigc::connection train_conn;
  41         bool check_allocated_blocks;
  42         bool passing;
  43
  44 public:
  45         Signal(Layout &, const SignalType &);
  46         ~Signal();
  47
  48         const SignalType &get_type() const { return type; }
  49
  50         void set_address(unsigned);
  51         void set_position(const Vector &);
  52         void set_direction(float);
  53 private:
  54         void normalize_location();
  55 public:
  56         const Vector &get_position() const { return position; }
  57         float get_direction() const { return direction; }
  58
  59         void tick(const Msp::Time::TimeDelta &);
  60
  61 private:
  62         void block_reserved(const Block &, Train *);
  63         void train_advanced(Block &);
  64         void reset();
  65
  66 public:
  67         void save(std::list<Msp::DataFile::Statement> &) const;
  68 };
  69 } // namespace R2C2
  70
  71
  72 #endif