source/libmarklin/train.h

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2006-2010  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 LocoType;
  19 class Route;
  20
  21 class Train: public sigc::trackable
  22 {
  23 public:
  24         class Loader: public Msp::DataFile::BasicLoader<Train>
  25         {
  26         private:
  27                 Block *prev_block;
  28
  29         public:
  30                 Loader(Train &);
  31         private:
  32                 void block(unsigned);
  33                 void block_hint(unsigned);
  34                 void name(const std::string &);
  35                 void real_speed(unsigned, float, float);
  36                 void route(const std::string &);
  37         };
  38
  39         sigc::signal<void, const std::string &> signal_name_changed;
  40         sigc::signal<void, unsigned> signal_target_speed_changed;
  41         sigc::signal<void, unsigned> signal_speed_changed;
  42         sigc::signal<void, bool> signal_reverse_changed;
  43         sigc::signal<void, unsigned, bool> signal_function_changed;
  44         sigc::signal<void, const Route *> signal_route_changed;
  45         sigc::signal<void, const std::string &> signal_status_changed;
  46
  47 private:
  48         struct BlockRef
  49         {
  50                 Block *block;
  51                 unsigned entry;
  52
  53                 BlockRef(Block *s, unsigned e): block(s), entry(e) { }
  54         };
  55
  56         struct RealSpeed
  57         {
  58                 float speed;
  59                 float weight;
  60
  61                 RealSpeed();
  62                 void add(float, float);
  63         };
  64
  65         Layout &layout;
  66         const LocoType &loco_type;
  67         unsigned address;
  68         std::string name;
  69         std::list<BlockRef> cur_blocks;
  70         std::list<BlockRef> rsv_blocks;
  71         Block *pending_block;
  72         unsigned target_speed;
  73         unsigned current_speed;
  74         bool reverse;
  75         Msp::Time::TimeStamp stop_timeout;
  76         unsigned functions;
  77         const Route *route;
  78         std::string status;
  79
  80         Msp::Time::TimeStamp last_entry_time;
  81         float travel_dist;
  82         unsigned travel_speed;
  83         bool pure_speed;
  84         std::vector<RealSpeed> real_speed;
  85
  86         Track *cur_track;
  87         unsigned cur_track_ep;
  88         float offset;
  89         Point pos;
  90
  91 public:
  92         Train(Layout &, const LocoType &, unsigned);
  93         ~Train();
  94
  95         const LocoType &get_locomotive_type() const { return loco_type; }
  96         unsigned get_address() const { return address; }
  97         void set_name(const std::string &);
  98         const std::string &get_name() const { return name; }
  99
 100         void set_speed(unsigned);
 101         void set_reverse(bool);
 102         void set_function(unsigned, bool);
 103         unsigned get_target_speed() const { return target_speed; }
 104         unsigned get_speed() const { return current_speed; }
 105         bool get_reverse() const { return reverse; }
 106         bool get_function(unsigned) const;
 107         unsigned get_functions() const { return functions; }
 108
 109         void set_route(const Route *);
 110         const Route *get_route() const { return route; }
 111         void place(Block &, unsigned);
 112         bool is_placed() const { return !cur_blocks.empty(); }
 113         bool free_block(Block &);
 114         int get_entry_to_block(Block &) const;
 115
 116         const std::string &get_status() const { return status; }
 117         const Point &get_position() const { return pos; }
 118
 119         void tick(const Msp::Time::TimeStamp &, const Msp::Time::TimeDelta &);
 120
 121         void save(std::list<Msp::DataFile::Statement> &) const;
 122 private:
 123         void loco_speed_event(unsigned, unsigned, bool);
 124         void loco_func_event(unsigned, unsigned, bool);
 125         void sensor_event(unsigned, bool);
 126         void turnout_event(unsigned, bool);
 127         void block_reserved(const Block &, const Train *);
 128         unsigned reserve_more();
 129         void update_speed();
 130         float get_real_speed(unsigned) const;
 131         unsigned find_speed(float) const;
 132         void set_status(const std::string &);
 133         void set_position(const Block::Endpoint &);
 134         void release_blocks(std::list<BlockRef> &);
 135         void release_blocks(std::list<BlockRef> &, std::list<BlockRef>::iterator, std::list<BlockRef>::iterator);
 136         void reverse_blocks(std::list<BlockRef> &) const;
 137 };
 138
 139 } // namespace Marklin
 140
 141 #endif