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, 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         struct BlockReservation
  72         {
  73                 Block &block;
  74                 Train *train;
  75
  76                 BlockReservation(Block &, Train *);
  77         };
  78
  79 public:
  80         typedef std::vector<Zone *> ZoneArray;
  81
  82         sigc::signal<void, Object &> signal_object_added;
  83         sigc::signal<void, Object &> signal_object_removed;
  84         sigc::signal<void, TrackChain &> signal_track_chain_added;
  85         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  86         sigc::signal<void, Train &> signal_train_added;
  87         sigc::signal<void, Train &> signal_train_removed;
  88         sigc::signal<void, Block &, Train *> signal_block_reserved;
  89         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  90         sigc::signal<void, Block *, const std::string &> signal_emergency;
  91
  92 private:
  93         Catalogue &catalogue;
  94         Driver *driver;
  95         Clock clock;
  96         std::string base;
  97         Storage<Object> objects;
  98         Storage<TrackChain> track_chains;
  99         Storage<Sensor> sensors;
 100         std::map<unsigned, Train *> trains;
 101         Msp::Time::TimeStamp last_tick;
 102         unsigned next_turnout_addr;
 103         bool emitting_block_reserved;
 104         std::deque<BlockReservation> block_reserve_queue;
 105
 106 public:
 107         Layout(Catalogue &, Driver * = 0);
 108         ~Layout();
 109
 110         Catalogue &get_catalogue() const { return catalogue; }
 111         bool has_driver() const { return driver; }
 112         Driver &get_driver() const;
 113         Clock &get_clock() { return clock; }
 114         const std::string &get_base() const { return base; }
 115
 116         void add(Object &);
 117         void add(Track &);
 118         void add(TrackChain &);
 119         void add(Block &);
 120         void add(Sensor &);
 121         void add(BeamGate &);
 122
 123         template<typename T>
 124         const std::set<T *> &get_all() const;
 125
 126         template<typename T>
 127         T *pick(const Ray &);
 128
 129         void remove(Object &);
 130         void remove(Track &);
 131         void remove(TrackChain &);
 132         void remove(Sensor &);
 133         void remove(BeamGate &);
 134
 135         unsigned allocate_turnout_address();
 136
 137         Block &get_block(unsigned) const;
 138         void create_blocks();
 139         void create_blocks(Track &);
 140
 141         Route &get_route(const std::string &) const;
 142         void update_routes();
 143
 144         ZoneArray get_zones(const std::string &) const;
 145         Zone &get_zone(const std::string &, unsigned) const;
 146
 147         void add_train(Train &);
 148         Train &get_train(unsigned) const;
 149         const std::map<unsigned, Train *> &get_trains() const { return trains; }
 150         void remove_train(Train &);
 151
 152         void tick();
 153         void emergency(Block *, const std::string &);
 154
 155         void save(const std::string &) const;
 156         void save_dynamic(const std::string &) const;
 157 private:
 158         void sensor_state_changed(Sensor &, Sensor::State);
 159         void block_reserved(Block &, Train *);
 160 };
 161
 162 } // namespace R2C2
 163
 164 #endif
 165