source/libr2c2/layout.h

   1 #ifndef LIBR2C2_LAYOUT_H_
   2 #define LIBR2C2_LAYOUT_H_
   3
   4 #include <deque>
   5 #include <set>
   6 #include <sigc++/sigc++.h>
   7 #include <msp/datafile/objectloader.h>
   8 #include <msp/time/timestamp.h>
   9 #include "geometry.h"
  10 #include "sensor.h"
  11 #include "clock.h"
  12
  13 namespace R2C2 {
  14
  15 class ArticleNumber;
  16 class BeamGate;
  17 class Block;
  18 class Catalogue;
  19 class Driver;
  20 class Object;
  21 class Route;
  22 class Signal;
  23 class Track;
  24 class TrackChain;
  25 class Train;
  26 class Vehicle;
  27 class Zone;
  28
  29 class Layout
  30 {
  31 public:
  32         class Loader: public Msp::DataFile::ObjectLoader<Layout>
  33         {
  34         public:
  35                 Loader(Layout &);
  36         private:
  37                 void beamgate();
  38                 void clock();
  39                 void route();
  40                 void signal(const std::string &);
  41                 void terrain(const std::string &);
  42                 void track(const std::string &);
  43                 void train(const std::string &, unsigned, const std::string &);
  44                 void turnout(unsigned);
  45                 void turnout2(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         struct BlockReservation
  73         {
  74                 Block &block;
  75                 Train *train;
  76
  77                 BlockReservation(Block &, Train *);
  78         };
  79
  80 public:
  81         typedef std::vector<Zone *> ZoneArray;
  82
  83         sigc::signal<void, Object &> signal_object_added;
  84         sigc::signal<void, Object &> signal_object_removed;
  85         sigc::signal<void, TrackChain &> signal_track_chain_added;
  86         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  87         sigc::signal<void, Train &> signal_train_added;
  88         sigc::signal<void, Train &> signal_train_removed;
  89         sigc::signal<void, Block &, Train *> signal_block_reserved;
  90         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  91         sigc::signal<void, Block *, const std::string &> signal_emergency;
  92
  93 private:
  94         Catalogue &catalogue;
  95         Driver *driver;
  96         Clock clock;
  97         std::string base;
  98         Storage<Object> objects;
  99         Storage<TrackChain> track_chains;
 100         Storage<Sensor> sensors;
 101         std::map<unsigned, Train *> trains;
 102         Msp::Time::TimeStamp last_tick;
 103         unsigned next_turnout_addr;
 104         bool emitting_block_reserved;
 105         std::deque<BlockReservation> block_reserve_queue;
 106
 107 public:
 108         Layout(Catalogue &, Driver * = 0);
 109         ~Layout();
 110
 111         Catalogue &get_catalogue() const { return catalogue; }
 112         bool has_driver() const { return driver; }
 113         Driver &get_driver() const;
 114         Clock &get_clock() { return clock; }
 115         const std::string &get_base() const { return base; }
 116
 117         void add(Object &);
 118         void add(Track &);
 119         void add(TrackChain &);
 120         void add(Block &);
 121         void add(Sensor &);
 122         void add(BeamGate &);
 123
 124         template<typename T>
 125         const std::set<T *> &get_all() const;
 126
 127         template<typename T>
 128         T *pick(const Ray &);
 129
 130         void remove(Object &);
 131         void remove(Track &);
 132         void remove(TrackChain &);
 133         void remove(Sensor &);
 134         void remove(BeamGate &);
 135
 136         unsigned allocate_turnout_address();
 137
 138         Block &get_block(unsigned) const;
 139         void create_blocks();
 140         void create_blocks(Track &);
 141
 142         Route &get_route(const std::string &) const;
 143         void update_routes();
 144
 145         ZoneArray get_zones(const std::string &) const;
 146         Zone &get_zone(const std::string &, unsigned) const;
 147
 148         void add_train(Train &);
 149         Train &get_train(unsigned) const;
 150         const std::map<unsigned, Train *> &get_trains() const { return trains; }
 151         void remove_train(Train &);
 152
 153         void tick();
 154         void emergency(Block *, const std::string &);
 155
 156         void save(const std::string &) const;
 157         void save_dynamic(const std::string &) const;
 158 private:
 159         void sensor_state_changed(Sensor &, Sensor::State);
 160         void block_reserved(Block &, Train *);
 161 };
 162
 163 } // namespace R2C2
 164
 165 #endif
 166