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/timedelta.h>
   9 #include <msp/time/timestamp.h>
  10 #include "geometry.h"
  11 #include "sensor.h"
  12 #include "clock.h"
  13
  14 namespace R2C2 {
  15
  16 class ArticleNumber;
  17 class BeamGate;
  18 class Block;
  19 class Catalogue;
  20 class Driver;
  21 class Object;
  22 class Route;
  23 class Signal;
  24 class Track;
  25 class TrackChain;
  26 class Train;
  27 class Vehicle;
  28 class Zone;
  29
  30 class Layout
  31 {
  32 public:
  33         class Loader: public Msp::DataFile::ObjectLoader<Layout>
  34         {
  35         public:
  36                 Loader(Layout &);
  37         private:
  38                 void beamgate();
  39                 void clock();
  40                 void route();
  41                 void signal(const std::string &);
  42                 void terrain(const std::string &);
  43                 void track(const std::string &);
  44                 void train(const std::string &, unsigned, const std::string &);
  45                 void turnout(unsigned);
  46                 void turnout2(unsigned, unsigned);
  47                 void zone();
  48         };
  49
  50 private:
  51         template<typename B>
  52         class Storage
  53         {
  54         private:
  55                 std::set<B *> base;
  56                 mutable std::list<Msp::Variant> caches;
  57
  58         public:
  59                 ~Storage();
  60
  61                 bool insert(B &);
  62                 bool erase(B &);
  63
  64                 const std::set<B *> &get() const { return base; }
  65
  66                 template<typename T>
  67                 const std::set<T *> &get() const;
  68
  69                 template<typename T>
  70                 void del();
  71         };
  72
  73         struct BlockReservation
  74         {
  75                 Block *block;
  76                 Train *train;
  77
  78                 BlockReservation(Block &, Train *);
  79         };
  80
  81 public:
  82         typedef std::vector<Zone *> ZoneArray;
  83
  84         sigc::signal<void, Object &> signal_object_added;
  85         sigc::signal<void, Object &> signal_object_removed;
  86         sigc::signal<void, TrackChain &> signal_track_chain_added;
  87         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  88         sigc::signal<void, Train &> signal_train_added;
  89         sigc::signal<void, Train &> signal_train_removed;
  90         sigc::signal<void, Block &, Train *> signal_block_reserved;
  91         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  92         sigc::signal<void, Block *, const std::string &> signal_emergency;
  93
  94 private:
  95         Catalogue &catalogue;
  96         Driver *driver;
  97         Clock clock;
  98         std::string base;
  99         Storage<Object> objects;
 100         Storage<TrackChain> track_chains;
 101         Storage<Sensor> sensors;
 102         std::map<unsigned, Train *> trains;
 103         Msp::Time::TimeStamp last_tick;
 104         unsigned next_turnout_addr;
 105         bool emitting_block_reserved;
 106         std::deque<BlockReservation> block_reserve_queue;
 107
 108 public:
 109         Layout(Catalogue &, Driver * = 0);
 110         ~Layout();
 111
 112         Catalogue &get_catalogue() const { return catalogue; }
 113         bool has_driver() const { return driver; }
 114         Driver &get_driver() const;
 115         Clock &get_clock() { return clock; }
 116         const std::string &get_base() const { return base; }
 117
 118         void add(Object &);
 119         void add(Track &);
 120         void add(TrackChain &);
 121         void add(Block &);
 122         void add(Sensor &);
 123         void add(BeamGate &);
 124
 125         template<typename T>
 126         const std::set<T *> &get_all() const;
 127
 128         template<typename T>
 129         T *pick(const Ray &);
 130
 131         void remove(Object &);
 132         void remove(Track &);
 133         void remove(TrackChain &);
 134         void remove(Sensor &);
 135         void remove(BeamGate &);
 136
 137         unsigned allocate_turnout_address();
 138
 139         Block &get_block(unsigned) const;
 140         void create_blocks();
 141         void create_blocks(Track &);
 142
 143         Route &get_route(const std::string &) const;
 144         void update_routes();
 145
 146         ZoneArray get_zones(const std::string &) const;
 147         Zone &get_zone(const std::string &, unsigned) const;
 148
 149         void add_train(Train &);
 150         Train &get_train(unsigned) const;
 151         const std::map<unsigned, Train *> &get_trains() const { return trains; }
 152         void remove_train(Train &);
 153
 154         void tick(float = 1.0f);
 155 private:
 156         void step(const Msp::Time::TimeDelta &);
 157 public:
 158         void emergency(Block *, const std::string &);
 159
 160         void save(const std::string &) const;
 161         void save_dynamic(const std::string &) const;
 162 private:
 163         void sensor_state_changed(Sensor &, Sensor::State);
 164         void block_reserved(Block &, Train *);
 165 };
 166
 167 } // namespace R2C2
 168
 169 #endif
 170