source/libr2c2/layout.h

   1 #ifndef LIBR2C2_LAYOUT_H_
   2 #define LIBR2C2_LAYOUT_H_
   3
   4 #include <set>
   5 #include <sigc++/sigc++.h>
   6 #include <msp/datafile/objectloader.h>
   7 #include <msp/time/timestamp.h>
   8 #include "geometry.h"
   9 #include "sensor.h"
  10 #include "clock.h"
  11
  12 namespace R2C2 {
  13
  14 class ArticleNumber;
  15 class BeamGate;
  16 class Block;
  17 class Catalogue;
  18 class Driver;
  19 class Object;
  20 class Route;
  21 class Signal;
  22 class Track;
  23 class TrackChain;
  24 class Train;
  25 class Vehicle;
  26 class Zone;
  27
  28 class Layout
  29 {
  30 public:
  31         class Loader: public Msp::DataFile::ObjectLoader<Layout>
  32         {
  33         private:
  34                 bool new_tracks;
  35
  36         public:
  37                 Loader(Layout &);
  38         private:
  39                 void beamgate();
  40                 void route();
  41                 void signal(ArticleNumber);
  42                 void track(ArticleNumber);
  43                 void train(ArticleNumber, unsigned, const std::string &);
  44                 void turnout(unsigned, unsigned);
  45                 void zone();
  46         };
  47
  48 private:
  49         template<typename B>
  50         class Storage
  51         {
  52         private:
  53                 std::set<B *> base;
  54                 mutable std::list<Msp::Variant> caches;
  55
  56         public:
  57                 ~Storage();
  58
  59                 bool insert(B &);
  60                 bool erase(B &);
  61
  62                 const std::set<B *> &get() const { return base; }
  63
  64                 template<typename T>
  65                 const std::set<T *> &get() const;
  66
  67                 template<typename T>
  68                 void del();
  69         };
  70
  71 public:
  72         typedef std::vector<Zone *> ZoneArray;
  73
  74         sigc::signal<void, Object &> signal_object_added;
  75         sigc::signal<void, Object &> signal_object_removed;
  76         sigc::signal<void, TrackChain &> signal_track_chain_added;
  77         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  78         sigc::signal<void, Train &> signal_train_added;
  79         sigc::signal<void, Train &> signal_train_removed;
  80         sigc::signal<void, Block &, Train *> signal_block_reserved;
  81         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  82         sigc::signal<void, const std::string &> signal_emergency;
  83
  84 private:
  85         Catalogue &catalogue;
  86         Driver *driver;
  87         Clock clock;
  88         std::string base;
  89         Storage<Object> objects;
  90         Storage<TrackChain> track_chains;
  91         Storage<Sensor> sensors;
  92         std::map<unsigned, Train *> trains;
  93         Msp::Time::TimeStamp last_tick;
  94         unsigned next_turnout_id;
  95
  96 public:
  97         Layout(Catalogue &, Driver * = 0);
  98         ~Layout();
  99
 100         Catalogue &get_catalogue() const { return catalogue; }
 101         bool has_driver() const { return driver; }
 102         Driver &get_driver() const;
 103         const Clock &get_clock() const { return clock; }
 104         const std::string &get_base() const { return base; }
 105
 106         void add(Object &);
 107         void add(Track &);
 108         void add(TrackChain &);
 109         void add(Block &);
 110         void add(Sensor &);
 111         void add(BeamGate &);
 112
 113         template<typename T>
 114         const std::set<T *> &get_all() const;
 115
 116         template<typename T>
 117         T *pick(const Ray &);
 118
 119         void remove(Object &);
 120         void remove(Track &);
 121         void remove(TrackChain &);
 122         void remove(Sensor &);
 123         void remove(BeamGate &);
 124
 125         unsigned allocate_turnout_id();
 126
 127         Block &get_block(unsigned) const;
 128         void create_blocks();
 129         void create_blocks(Track &);
 130
 131         Route &get_route(const std::string &) const;
 132         void update_routes();
 133
 134         ZoneArray get_zones(const std::string &) const;
 135         Zone &get_zone(const std::string &, unsigned) const;
 136
 137         void add_train(Train &);
 138         Train &get_train(unsigned) const;
 139         const std::map<unsigned, Train *> &get_trains() const { return trains; }
 140         void remove_train(Train &);
 141
 142         void tick();
 143         void emergency(const std::string &);
 144
 145         void save(const std::string &) const;
 146         void save_dynamic(const std::string &) const;
 147 private:
 148         void sensor_state_changed(Sensor &, Sensor::State);
 149 };
 150
 151 } // namespace R2C2
 152
 153 #endif
 154