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         public:
  34                 Loader(Layout &);
  35         private:
  36                 void beamgate();
  37                 void route();
  38                 void signal(ArticleNumber);
  39                 void terrain(ArticleNumber);
  40                 void track(ArticleNumber);
  41                 void train(ArticleNumber, unsigned, const std::string &);
  42                 void turnout(unsigned, unsigned);
  43                 void zone();
  44         };
  45
  46 private:
  47         template<typename B>
  48         class Storage
  49         {
  50         private:
  51                 std::set<B *> base;
  52                 mutable std::list<Msp::Variant> caches;
  53
  54         public:
  55                 ~Storage();
  56
  57                 bool insert(B &);
  58                 bool erase(B &);
  59
  60                 const std::set<B *> &get() const { return base; }
  61
  62                 template<typename T>
  63                 const std::set<T *> &get() const;
  64
  65                 template<typename T>
  66                 void del();
  67         };
  68
  69 public:
  70         typedef std::vector<Zone *> ZoneArray;
  71
  72         sigc::signal<void, Object &> signal_object_added;
  73         sigc::signal<void, Object &> signal_object_removed;
  74         sigc::signal<void, TrackChain &> signal_track_chain_added;
  75         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  76         sigc::signal<void, Train &> signal_train_added;
  77         sigc::signal<void, Train &> signal_train_removed;
  78         sigc::signal<void, Block &, Train *> signal_block_reserved;
  79         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  80         sigc::signal<void, const std::string &> signal_emergency;
  81
  82 private:
  83         Catalogue &catalogue;
  84         Driver *driver;
  85         Clock clock;
  86         std::string base;
  87         Storage<Object> objects;
  88         Storage<TrackChain> track_chains;
  89         Storage<Sensor> sensors;
  90         std::map<unsigned, Train *> trains;
  91         Msp::Time::TimeStamp last_tick;
  92         unsigned next_turnout_addr;
  93
  94 public:
  95         Layout(Catalogue &, Driver * = 0);
  96         ~Layout();
  97
  98         Catalogue &get_catalogue() const { return catalogue; }
  99         bool has_driver() const { return driver; }
 100         Driver &get_driver() const;
 101         const Clock &get_clock() const { return clock; }
 102         const std::string &get_base() const { return base; }
 103
 104         void add(Object &);
 105         void add(Track &);
 106         void add(TrackChain &);
 107         void add(Block &);
 108         void add(Sensor &);
 109         void add(BeamGate &);
 110
 111         template<typename T>
 112         const std::set<T *> &get_all() const;
 113
 114         template<typename T>
 115         T *pick(const Ray &);
 116
 117         void remove(Object &);
 118         void remove(Track &);
 119         void remove(TrackChain &);
 120         void remove(Sensor &);
 121         void remove(BeamGate &);
 122
 123         unsigned allocate_turnout_address();
 124
 125         Block &get_block(unsigned) const;
 126         void create_blocks();
 127         void create_blocks(Track &);
 128
 129         Route &get_route(const std::string &) const;
 130         void update_routes();
 131
 132         ZoneArray get_zones(const std::string &) const;
 133         Zone &get_zone(const std::string &, unsigned) const;
 134
 135         void add_train(Train &);
 136         Train &get_train(unsigned) const;
 137         const std::map<unsigned, Train *> &get_trains() const { return trains; }
 138         void remove_train(Train &);
 139
 140         void tick();
 141         void emergency(const std::string &);
 142
 143         void save(const std::string &) const;
 144         void save_dynamic(const std::string &) const;
 145 private:
 146         void sensor_state_changed(Sensor &, Sensor::State);
 147 };
 148
 149 } // namespace R2C2
 150
 151 #endif
 152