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
  15 class TrainRouter: public TrainAI
  16 {
  17 public:
  18         class Loader: public Msp::DataFile::ObjectLoader<TrainRouter>
  19         {
  20         public:
  21                 Loader(TrainRouter &);
  22         private:
  23                 void route(const std::string &);
  24         };
  25
  26         sigc::signal<void, const Route *> signal_route_changed;
  27         sigc::signal<void, const TrackChain *> signal_arrived;
  28         sigc::signal<void, const TrackChain *> signal_waypoint_reached;
  29
  30 private:
  31         struct Wait
  32         {
  33                 Block *block;
  34                 Train *train;
  35
  36                 Wait();
  37         };
  38
  39         typedef std::list<const Route *> RouteList;
  40
  41         int priority;
  42         RouteList routes;
  43         unsigned arriving;
  44         const TrackChain *destination;
  45         std::vector<const TrackChain *> waypoints;
  46         std::list<Wait> waits;
  47         Msp::Time::TimeDelta delay;
  48
  49         bool update_pending;
  50
  51 public:
  52         TrainRouter(Train &);
  53
  54         void set_priority(int);
  55         int get_priority() const { return priority; }
  56
  57         bool set_route(const Route *);
  58         void add_wait(Block &, Train *);
  59         const Route *get_route() const;
  60
  61         void set_destination(const TrackChain &);
  62         const TrackChain *get_destination() const { return destination; }
  63         bool is_destination(Track &) const;
  64         void add_waypoint(const TrackChain &);
  65         unsigned get_n_waypoints() const { return waypoints.size(); }
  66         bool is_waypoint(unsigned, Track &) const;
  67         void set_departure_delay(const Msp::Time::TimeDelta &);
  68         const Msp::Time::TimeDelta &get_departure_delay() const { return delay; }
  69
  70         virtual void message(const Message &);
  71         virtual void tick(const Msp::Time::TimeDelta &);
  72
  73         void save(std::list<Msp::DataFile::Statement> &) const;
  74
  75 private:
  76         void block_reserved(Block &, Train *);
  77         void train_advanced(Block &);
  78         const Route *get_route_for_block(const Block &) const;
  79
  80         Route *create_lead_route(Route *, const Route *);
  81         bool advance_route(RouteList::iterator &, const Block &);
  82         bool is_on_route(const Block &);
  83
  84         static void create_plans(Layout &);
  85 };
  86
  87 } // namespace R2C2
  88
  89 #endif