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 Wait
  33         {
  34                 Block *block;
  35                 Train *train;
  36
  37                 Wait();
  38         };
  39
  40         typedef std::list<const Route *> RouteList;
  41
  42         int priority;
  43         RouteList routes;
  44         unsigned arriving;
  45         const TrackChain *destination;
  46         std::vector<const TrackChain *> waypoints;
  47         std::vector<TrainRouteMetric *> metrics;
  48         std::list<Wait> waits;
  49         Msp::Time::TimeDelta delay;
  50
  51         bool update_pending;
  52
  53 public:
  54         TrainRouter(Train &);
  55         ~TrainRouter();
  56
  57         void set_priority(int);
  58         int get_priority() const { return priority; }
  59
  60         bool set_route(const Route *);
  61         void add_wait(Block &, Train *);
  62         const Route *get_route() const;
  63
  64         void set_destination(const TrackChain &);
  65         const TrackChain *get_destination() const { return destination; }
  66         bool is_destination(Track &) const;
  67         void add_waypoint(const TrackChain &);
  68         unsigned get_n_waypoints() const { return waypoints.size(); }
  69         bool is_waypoint(unsigned, Track &) const;
  70         const TrainRouteMetric &get_metric(int = -1) const;
  71         void set_departure_delay(const Msp::Time::TimeDelta &);
  72         const Msp::Time::TimeDelta &get_departure_delay() const { return delay; }
  73
  74         virtual void message(const Message &);
  75         virtual void tick(const Msp::Time::TimeDelta &);
  76
  77         void save(std::list<Msp::DataFile::Statement> &) const;
  78
  79 private:
  80         void block_reserved(Block &, Train *);
  81         void train_advanced(Block &);
  82         const Route *get_route_for_block(const Block &) const;
  83
  84         void create_metrics();
  85         Route *create_lead_route(Route *, const Route *);
  86         bool advance_route(RouteList::iterator &, const Block &);
  87         bool is_on_route(const Block &);
  88
  89         static void create_plans(Layout &);
  90 };
  91
  92 } // namespace R2C2
  93
  94 #endif