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 #include "object.h"
   8 #include "signaltype.h"
   9 #include "track.h"
  10
  11 namespace R2C2 {
  12
  13 class Block;
  14 class Layout;
  15 class Train;
  16
  17 class Signal: public Object
  18 {
  19 public:
  20         class Loader: public Msp::DataFile::ObjectLoader<Signal>
  21         {
  22         public:
  23                 Loader(Signal &);
  24
  25         private:
  26                 void address(unsigned);
  27                 void position(float, float, float);
  28                 void rotation(float);
  29         };
  30
  31 private:
  32         const SignalType &type;
  33         unsigned address;
  34         Track *track;
  35         Block *block;
  36         unsigned entry;
  37         Train *train;
  38         sigc::connection train_conn;
  39         bool check_allocated_blocks;
  40         bool passing;
  41
  42 public:
  43         Signal(Layout &, const SignalType &);
  44         ~Signal();
  45
  46         virtual Signal *clone(Layout * = 0) const;
  47         virtual const SignalType &get_type() const { return type; }
  48
  49         void set_address(unsigned);
  50         virtual void set_position(const Vector &);
  51         virtual void set_rotation(const Angle &);
  52 private:
  53         void normalize_location();
  54 public:
  55         virtual Track *get_parent() const { return track; }
  56
  57         virtual unsigned get_n_snap_nodes() const;
  58         virtual Snap get_snap_node(unsigned) const;
  59 private:
  60         virtual SnapType get_default_snap_type_to(const Object &) const;
  61
  62 public:
  63         void tick(const Msp::Time::TimeDelta &);
  64
  65 private:
  66         void block_reserved(const Block &, Train *);
  67         void train_advanced(Block &);
  68         void reset();
  69
  70 public:
  71         void save(std::list<Msp::DataFile::Statement> &) const;
  72 };
  73 } // namespace R2C2
  74
  75
  76 #endif