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 public:
  74         typedef std::vector<Zone *> ZoneArray;
  75
  76         sigc::signal<void, Object &> signal_object_added;
  77         sigc::signal<void, Object &> signal_object_removed;
  78         sigc::signal<void, TrackChain &> signal_track_chain_added;
  79         sigc::signal<void, TrackChain &> signal_track_chain_removed;
  80         sigc::signal<void, Train &> signal_train_added;
  81         sigc::signal<void, Train &> signal_train_removed;
  82         sigc::signal<void, Block &, Train *> signal_block_reserved;
  83         sigc::signal<void, Sensor &, Sensor::State> signal_sensor_state_changed;
  84         sigc::signal<void, Block *, const std::string &> signal_emergency;
  85
  86 private:
  87         Catalogue &catalogue;
  88         Driver *driver;
  89         Clock clock;
  90         std::string base;
  91         Storage<Object> objects;
  92         Storage<TrackChain> track_chains;
  93         Storage<Sensor> sensors;
  94         std::map<unsigned, Train *> trains;
  95         Msp::Time::TimeStamp last_tick;
  96         unsigned next_turnout_addr;
  97
  98 public:
  99         Layout(Catalogue &, Driver * = 0);
 100         ~Layout();
 101
 102         Catalogue &get_catalogue() const { return catalogue; }
 103         bool has_driver() const { return driver; }
 104         Driver &get_driver() const;
 105         Clock &get_clock() { return clock; }
 106         const std::string &get_base() const { return base; }
 107
 108         void add(Object &);
 109         void add(Track &);
 110         void add(TrackChain &);
 111         void add(Block &);
 112         void add(Sensor &);
 113         void add(BeamGate &);
 114
 115         template<typename T>
 116         const std::set<T *> &get_all() const;
 117
 118         template<typename T>
 119         T *pick(const Ray &);
 120
 121         void remove(Object &);
 122         void remove(Track &);
 123         void remove(TrackChain &);
 124         void remove(Sensor &);
 125         void remove(BeamGate &);
 126
 127         unsigned allocate_turnout_address();
 128
 129         Block &get_block(unsigned) const;
 130         void create_blocks();
 131         void create_blocks(Track &);
 132
 133         Route &get_route(const std::string &) const;
 134         void update_routes();
 135
 136         ZoneArray get_zones(const std::string &) const;
 137         Zone &get_zone(const std::string &, unsigned) const;
 138
 139         void add_train(Train &);
 140         Train &get_train(unsigned) const;
 141         const std::map<unsigned, Train *> &get_trains() const { return trains; }
 142         void remove_train(Train &);
 143
 144         void tick(float = 1.0f);
 145 private:
 146         void step(const Msp::Time::TimeDelta &);
 147 public:
 148         void emergency(Block *, const std::string &);
 149
 150         void save(const std::string &) const;
 151         void save_dynamic(const std::string &) const;
 152 private:
 153         void sensor_state_changed(Sensor &, Sensor::State);
 154 };
 155
 156 } // namespace R2C2
 157
 158 #endif
 159