source/libr2c2/trainrouter.h

   1 #ifndef LIBR2C2_TRAINROUTER_H_
   2 #define LIBR2C2_TRAINROUTER_H_
   3
   4 #include <list>
   5 #include <msp/datafile/objectloader.h>
   6 #include "trainai.h"
   7
   8 namespace R2C2 {
   9
  10 class Block;
  11 class Layout;
  12 class Track;
  13 class TrackChain;
  14 class TrainRouteMetric;
  15
  16 class TrainRouter: public TrainAI
  17 {
  18 public:
  19         class Loader: public Msp::DataFile::ObjectLoader<TrainRouter>
  20         {
  21         public:
  22                 Loader(TrainRouter &);
  23         private:
  24                 void route(const std::string &);
  25         };
  26
  27         sigc::signal<void, const Route *> signal_route_changed;
  28         sigc::signal<void, const TrackChain *> signal_arrived;
  29         sigc::signal<void, const TrackChain *> signal_waypoint_reached;
  30
  31 private:
  32         struct SequencePoint
  33         {
  34                 Block *block;
  35                 Train *preceding_train;
  36                 unsigned sequence_in;
  37                 unsigned sequence_out;
  38
  39                 SequencePoint(Block &, unsigned);
  40         };
  41
  42         typedef std::list<const Route *> RouteList;
  43
  44         int priority;
  45         RouteList routes;
  46         unsigned arriving;
  47         const TrackChain *destination;
  48         std::vector<const TrackChain *> waypoints;
  49         std::vector<TrainRouteMetric *> metrics;
  50         std::list<SequencePoint> sequence_points;
  51         std::list<SequencePoint *> pending_sequence_checks;
  52         unsigned current_sequence;
  53         Msp::Time::TimeDelta delay;
  54
  55         bool update_pending;
  56
  57 public:
  58         TrainRouter(Train &);
  59         ~TrainRouter();
  60
  61         void set_priority(int);
  62         int get_priority() const { return priority; }
  63
  64         bool set_route(const Route *);
  65         bool add_route(const Route &);
  66         const Route *get_route() const;
  67         void add_sequence_point(Block &, unsigned);
  68         void add_sequence_point(Block &, Train &, unsigned, unsigned);
  69         unsigned get_current_sequence() const { return current_sequence; }
  70
  71         void set_destination(const TrackChain &);
  72         const TrackChain *get_destination() const { return destination; }
  73         bool is_destination(Track &) const;
  74         void add_waypoint(const TrackChain &);
  75         unsigned get_n_waypoints() const { return waypoints.size(); }
  76         bool is_waypoint(unsigned, Track &) const;
  77         const TrainRouteMetric &get_metric(int = -1) const;
  78         void set_departure_delay(const Msp::Time::TimeDelta &);
  79         const Msp::Time::TimeDelta &get_departure_delay() const { return delay; }
  80
  81         virtual void message(const Message &);
  82         virtual void tick(const Msp::Time::TimeDelta &);
  83
  84         void save(std::list<Msp::DataFile::Statement> &) const;
  85
  86 private:
  87         void block_reserved(Block &, Train *);
  88         void train_advanced(Block &);
  89         const Route *get_route_for_block(const Block &) const;
  90
  91         void create_metrics();
  92         Route *create_lead_route(Route *, const Route *);
  93         bool advance_route(RouteList::iterator &, const Block &);
  94         bool is_on_route(const Block &);
  95
  96         static void create_plans(Layout &);
  97 };
  98
  99 } // namespace R2C2
 100
 101 #endif