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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <Eris/Calendar.h>
#include <Eris/Avatar.h>
#include <Eris/Exceptions.h>
#include <Eris/View.h>
#include <Eris/Entity.h>
#include <Eris/Log.h>
using namespace Atlas::Message;
namespace Eris
{
Calendar::Calendar(Avatar* av) :
m_avatar(av),
m_daysPerMonth(0),
m_monthsPerYear(0),
m_hoursPerDay(0),
m_minutesPerHour(0),
m_secondsPerMinute(0)
{
av->getView()->TopLevelEntityChanged.connect(
sigc::mem_fun(this, &Calendar::topLevelEntityChanged));
// hook up right now if currently valid
if (av->getView()->getTopLevel()) topLevelEntityChanged();
}
void Calendar::topLevelEntityChanged()
{
m_calendarObserver.disconnect();
Entity* tl = m_avatar->getView()->getTopLevel();
if (!tl || !tl->hasAttr("calendar")) return;
m_calendarObserver = tl->observe("calendar", sigc::mem_fun(this, &Calendar::calendarAttrChanged));
initFromCalendarAttr(tl->valueOfAttr("calendar").asMap());
}
void Calendar::calendarAttrChanged(const std::string&, const Element& value)
{
if (!value.isMap()) throw InvalidAtlas("malformed calendar data", value);
debug() << "initing calendar";
initFromCalendarAttr(value.asMap());
}
void Calendar::initFromCalendarAttr(const MapType& cal)
{
MapType::const_iterator it = cal.find("days_per_month");
if (it == cal.end()) throw InvalidAtlas("malformed calendar data", cal);
m_daysPerMonth = it->second.asInt();
it = cal.find("hours_per_day");
if (it == cal.end()) throw InvalidAtlas("malformed calendar data", cal);
m_hoursPerDay = it->second.asInt();
it = cal.find("minutes_per_hour");
if (it == cal.end()) throw InvalidAtlas("malformed calendar data", cal);
m_minutesPerHour = it->second.asInt();
it = cal.find("months_per_year");
if (it == cal.end()) throw InvalidAtlas("malformed calendar data", cal);
m_monthsPerYear = it->second.asInt();
it = cal.find("seconds_per_minute");
if (it == cal.end()) throw InvalidAtlas("malformed calendar data", cal);
m_secondsPerMinute = it->second.asInt();
}
DateTime Calendar::now() const
{
DateTime n;
// we don't have valid calendar data yet
if (m_daysPerMonth == 0) return n;
n.m_seconds = lrintf(m_avatar->getWorldTime());
n.m_minutes = n.m_seconds / m_secondsPerMinute;
n.m_seconds -= (n.m_minutes * m_secondsPerMinute);
n.m_hours = n.m_minutes / m_minutesPerHour;
n.m_minutes -= (n.m_hours * m_minutesPerHour);
n.m_dayOfMonth = n.m_hours / m_hoursPerDay;
n.m_hours -= (n.m_dayOfMonth * m_hoursPerDay);
n.m_month = n.m_dayOfMonth / m_daysPerMonth;
n.m_dayOfMonth -= (n.m_month * m_daysPerMonth);
n.m_year = n.m_month / m_monthsPerYear;
n.m_month -= (n.m_year * m_monthsPerYear);
n.m_valid = true;
return n;
}
} // of namespace Eris
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