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 Block;
  16 class Catalogue;
  17 class Driver;
  18 class Object;
  19 class Route;
  20 class Signal;
  21 class Track;
  22 class TrackChain;
  23 class Train;
  24 class Vehicle;
  25 class Zone;
  26
  27 class Layout
  28 {
  29 public:
  30         class Loader: public Msp::DataFile::ObjectLoader<Layout>
  31         {
  32         private:
  33                 bool new_tracks;
  34
  35         public:
  36                 Loader(Layout &);
  37         private:
  38                 void route();
  39                 void route(const std::string &);
  40                 void signal(ArticleNumber);
  41                 void track(unsigned);
  42                 void track(ArticleNumber);
  43                 void train(unsigned, unsigned, const std::string &);
  44                 void train(ArticleNumber, unsigned, const std::string &);
  45                 void turnout(unsigned, unsigned);
  46                 void zone();
  47         };
  48
  49 private:
  50         template<typename B>
  51         class Storage
  52         {
  53         private:
  54                 std::set<B *> base;
  55                 mutable std::list<Msp::Variant> caches;
  56
  57         public:
  58                 ~Storage();
  59
  60                 bool insert(B &);
  61                 bool erase(B &);
  62
  63                 const std::set<B *> &get() const { return base; }
  64
  65                 template<typename T>
  66                 const std::set<T *> &get() const;
  67
  68                 template<typename T>
  69                 void del();
  70         };
  71
  72 public:
  73         typedef std::vector<Zone *> ZoneArray;
  74
  75         sigc::signal<void, Object &> signal_object_added;
  76         sigc::signal<void, Object &> signal_object_removed;
  77         sigc::signal<void, TrackChain &> signal_track_chain_added;
  78         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  79         sigc::signal<void, Train &> signal_train_added;
  80         sigc::signal<void, Train &> signal_train_removed;
  81         sigc::signal<void, Block &, Train *> signal_block_reserved;
  82         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  83         sigc::signal<void, const std::string &> signal_emergency;
  84
  85 private:
  86         Catalogue &catalogue;
  87         Driver *driver;
  88         Clock clock;
  89         std::string base;
  90         Storage<Object> objects;
  91         Storage<TrackChain> track_chains;
  92         Storage<Sensor> sensors;
  93         std::map<unsigned, Train *> trains;
  94         Msp::Time::TimeStamp last_tick;
  95         unsigned next_turnout_id;
  96
  97 public:
  98         Layout(Catalogue &, Driver * = 0);
  99         ~Layout();
 100
 101         Catalogue &get_catalogue() const { return catalogue; }
 102         bool has_driver() const { return driver; }
 103         Driver &get_driver() const;
 104         const Clock &get_clock() const { return clock; }
 105         const std::string &get_base() const { return base; }
 106
 107         void add(Object &);
 108         void add(Track &);
 109         void add(TrackChain &);
 110         void add(Block &);
 111         void add(Sensor &);
 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
 124         unsigned allocate_turnout_id();
 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(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