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 clock();
  38                 void route();
  39                 void signal(const std::string &);
  40                 void terrain(const std::string &);
  41                 void track(const std::string &);
  42                 void train(const std::string &, unsigned, const std::string &);
  43                 void turnout(unsigned, unsigned);
  44                 void zone();
  45         };
  46
  47 private:
  48         template<typename B>
  49         class Storage
  50         {
  51         private:
  52                 std::set<B *> base;
  53                 mutable std::list<Msp::Variant> caches;
  54
  55         public:
  56                 ~Storage();
  57
  58                 bool insert(B &);
  59                 bool erase(B &);
  60
  61                 const std::set<B *> &get() const { return base; }
  62
  63                 template<typename T>
  64                 const std::set<T *> &get() const;
  65
  66                 template<typename T>
  67                 void del();
  68         };
  69
  70 public:
  71         typedef std::vector<Zone *> ZoneArray;
  72
  73         sigc::signal<void, Object &> signal_object_added;
  74         sigc::signal<void, Object &> signal_object_removed;
  75         sigc::signal<void, TrackChain &> signal_track_chain_added;
  76         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  77         sigc::signal<void, Train &> signal_train_added;
  78         sigc::signal<void, Train &> signal_train_removed;
  79         sigc::signal<void, Block &, Train *> signal_block_reserved;
  80         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  81         sigc::signal<void, Block *, const std::string &> signal_emergency;
  82
  83 private:
  84         Catalogue &catalogue;
  85         Driver *driver;
  86         Clock clock;
  87         std::string base;
  88         Storage<Object> objects;
  89         Storage<TrackChain> track_chains;
  90         Storage<Sensor> sensors;
  91         std::map<unsigned, Train *> trains;
  92         Msp::Time::TimeStamp last_tick;
  93         unsigned next_turnout_addr;
  94
  95 public:
  96         Layout(Catalogue &, Driver * = 0);
  97         ~Layout();
  98
  99         Catalogue &get_catalogue() const { return catalogue; }
 100         bool has_driver() const { return driver; }
 101         Driver &get_driver() const;
 102         Clock &get_clock() { return clock; }
 103         const std::string &get_base() const { return base; }
 104
 105         void add(Object &);
 106         void add(Track &);
 107         void add(TrackChain &);
 108         void add(Block &);
 109         void add(Sensor &);
 110         void add(BeamGate &);
 111
 112         template<typename T>
 113         const std::set<T *> &get_all() const;
 114
 115         template<typename T>
 116         T *pick(const Ray &);
 117
 118         void remove(Object &);
 119         void remove(Track &);
 120         void remove(TrackChain &);
 121         void remove(Sensor &);
 122         void remove(BeamGate &);
 123
 124         unsigned allocate_turnout_address();
 125
 126         Block &get_block(unsigned) const;
 127         void create_blocks();
 128         void create_blocks(Track &);
 129
 130         Route &get_route(const std::string &) const;
 131         void update_routes();
 132
 133         ZoneArray get_zones(const std::string &) const;
 134         Zone &get_zone(const std::string &, unsigned) const;
 135
 136         void add_train(Train &);
 137         Train &get_train(unsigned) const;
 138         const std::map<unsigned, Train *> &get_trains() const { return trains; }
 139         void remove_train(Train &);
 140
 141         void tick();
 142         void emergency(Block *, const std::string &);
 143
 144         void save(const std::string &) const;
 145         void save_dynamic(const std::string &) const;
 146 private:
 147         void sensor_state_changed(Sensor &, Sensor::State);
 148 };
 149
 150 } // namespace R2C2
 151
 152 #endif
 153