source/libmarklin/train.h

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #ifndef LIBMARKLIN_TRAIN_H_
   9 #define LIBMARKLIN_TRAIN_H_
  10
  11 #include <sigc++/signal.h>
  12 #include <sigc++/trackable.h>
  13 #include <msp/time/timestamp.h>
  14 #include "block.h"
  15
  16 namespace Marklin {
  17
  18 class Locomotive;
  19 class Route;
  20 class Sensor;
  21 class TrafficManager;
  22 class Turnout;
  23
  24 class Train: public sigc::trackable
  25 {
  26 public:
  27         class Loader: public Msp::DataFile::BasicLoader<Train>
  28         {
  29         public:
  30                 Loader(Train &);
  31         private:
  32                 void real_speed(unsigned, float, float);
  33         };
  34
  35         sigc::signal<void, const std::string &> signal_name_changed;
  36         sigc::signal<void, unsigned> signal_target_speed_changed;
  37         sigc::signal<void, const Route *> signal_route_changed;
  38         sigc::signal<void, const std::string &> signal_status_changed;
  39
  40 private:
  41         struct BlockRef
  42         {
  43                 Block *block;
  44                 unsigned entry;
  45
  46                 BlockRef(Block *s, unsigned e): block(s), entry(e) { }
  47         };
  48
  49         struct RealSpeed
  50         {
  51                 float speed;
  52                 float weight;
  53
  54                 RealSpeed();
  55                 void add(float, float);
  56         };
  57
  58         TrafficManager &trfc_mgr;
  59         std::string name;
  60         Locomotive &loco;
  61         std::list<BlockRef> cur_blocks;
  62         std::list<BlockRef> rsv_blocks;
  63         Block *pending_block;
  64         unsigned target_speed;
  65         const Route *route;
  66         Msp::Time::TimeStamp try_reserve;
  67         std::string status;
  68
  69         Msp::Time::TimeStamp last_entry_time;
  70         float travel_dist;
  71         unsigned travel_speed;
  72         bool pure_speed;
  73         std::vector<RealSpeed> real_speed;
  74
  75         Track *cur_track;
  76         unsigned cur_track_ep;
  77         float offset;
  78         Point pos;
  79
  80 public:
  81         Train(TrafficManager &, Locomotive &);
  82
  83         void set_name(const std::string &);
  84         void set_speed(unsigned);
  85         void set_reverse(bool);
  86         void set_route(const Route *);
  87         const std::string &get_name() const { return name; }
  88         Locomotive &get_locomotive() const { return loco; }
  89         unsigned get_target_speed() const { return target_speed; }
  90         const Route *get_route() const { return route; }
  91         const std::string &get_status() const { return status; }
  92         const Point &get_position() const { return pos; }
  93         void place(Block &, unsigned);
  94         bool free_block(Block &);
  95         int get_entry_to_block(Block &) const;
  96         void tick(const Msp::Time::TimeStamp &, const Msp::Time::TimeDelta &);
  97         void save(std::list<Msp::DataFile::Statement> &) const;
  98 private:
  99         void locomotive_reverse_changed(bool);
 100         void sensor_event(bool, Sensor *);
 101         void turnout_path_changing(unsigned, Turnout *);
 102         void turnout_path_changed(unsigned, Turnout *);
 103         unsigned reserve_more();
 104         void update_speed();
 105         float get_real_speed(unsigned) const;
 106         unsigned find_speed(float) const;
 107         void set_status(const std::string &);
 108         void set_position(const Block::Endpoint &);
 109         void release_blocks(std::list<BlockRef> &);
 110 };
 111
 112 } // namespace Marklin
 113
 114 #endif