source/libr2c2/clock.cpp

   1 #include "clock.h"
   2
   3 using namespace std;
   4 using namespace Msp;
   5
   6 namespace R2C2 {
   7
   8 Clock::Clock():
   9         rate(1)
  10 { }
  11
  12 void Clock::set_rate(float s)
  13 {
  14         rate = s;
  15 }
  16
  17 void Clock::set_current_time(const Time::TimeDelta &t)
  18 {
  19         current_time = t;
  20 }
  21
  22 void Clock::tick(const Time::TimeDelta &dt)
  23 {
  24         unsigned prev_minute = current_time/Time::min;
  25         current_time += dt*rate;
  26         if(current_time>=Time::day)
  27                 current_time -= Time::day;
  28         unsigned minute = current_time/Time::min;
  29         if(minute!=prev_minute)
  30                 signal_minute.emit();
  31 }
  32
  33 void Clock::save(list<DataFile::Statement> &st) const
  34 {
  35         st.push_back((DataFile::Statement("rate"), rate));
  36         st.push_back((DataFile::Statement("time"), current_time.raw()));
  37 }
  38
  39
  40 Clock::Loader::Loader(Clock &c):
  41         DataFile::ObjectLoader<Clock>(c)
  42 {
  43         add("rate", &Clock::rate);
  44         add("time", &Loader::time);
  45 }
  46
  47 void Clock::Loader::time(Time::RawTime t)
  48 {
  49         obj.set_current_time(Time::TimeDelta(t));
  50 }
  51
  52 } // namespace R2C2