source/libr2c2/trainstatus.cpp

   1 #include <msp/strings/formatter.h>
   2 #include "catalogue.h"
   3 #include "layout.h"
   4 #include "train.h"
   5 #include "trainstatus.h"
   6 #include "vehicle.h"
   7
   8 using namespace Msp;
   9
  10 #include <msp/io/print.h>
  11
  12 namespace R2C2 {
  13
  14 TrainStatus::TrainStatus(Train &t):
  15         TrainAI(t),
  16         speed(-2)
  17 {
  18         check();
  19 }
  20
  21 void TrainStatus::tick(const Time::TimeStamp &, const Time::TimeDelta &)
  22 {
  23         check();
  24 }
  25
  26 void TrainStatus::check()
  27 {
  28         float scale = train.get_layout().get_catalogue().get_scale();
  29         int s = static_cast<int>(train.get_quantized_speed()*3.6/scale+0.5);
  30         if(s==0 && train.is_active())
  31                 s = -1;
  32
  33         if(s!=speed)
  34         {
  35                 if(s>0)
  36                 {
  37                         status = format("Traveling %d kmh", s);
  38                         if(unsigned step = train.get_speed_step())
  39                                 status += format(" (%d)", step);
  40                 }
  41                 else if(s==-1)
  42                         status = "Waiting";
  43                 else if(!train.get_vehicle(0).get_track())
  44                         status = "Unplaced";
  45                 else
  46                         status = "Stopped";
  47
  48                 speed = s;
  49
  50                 signal_changed.emit(status);
  51                 signal_event.emit(Message("status-changed", status));
  52         }
  53 }
  54
  55 } // namespace R2C2