// test if today is tithi of given masa, or day after tithi of given masa
// while in second cas yesterday is tithi before given tithi and masa
public bool testFestival(GCFestivalSpecialExecutor exec, bool stickToMasa)
{
VAISNAVADAY yesterday = exec.day(-DayOffset - 1);
VAISNAVADAY today = exec.day(-DayOffset);
VAISNAVADAY tomorrow = exec.day(-DayOffset + 1);
if (today.astrodata.Masa == nMasa && today.astrodata.sunRise.Tithi == nTithi)
{
if (yesterday.astrodata.Masa == nMasa && yesterday.astrodata.sunRise.Tithi == nTithi)
{
return(false);
}
else
{
return(true);
}
}
if (stickToMasa || GCMasa.IS_EXTRA(today.astrodata.Masa))
{
if (today.ksayaMasa == nMasa && today.ksayaTithi == nTithi)
{
return(true);
}
}
else
{
if (yesterday.ksayaMasa == nMasa && yesterday.ksayaTithi == nTithi)
{
return(true);
}
}
return(false);
}
public int AddMatchedFestivals(GCFestivalSpecialExecutor exec)
{
int currFestTop = 0;
for (int i = BEFORE_DAYS; i < m_PureCount + BEFORE_DAYS - 1; i++)
{
exec.CurrentIndex = i;
foreach (GCFestivalBook book in GCFestivalBookCollection.Books)
{
if (!book.Visible)
{
continue;
}
foreach (GCFestivalBase fb in book.Festivals)
{
if (fb.nReserved == 1 && fb.nVisible > 0 && fb.IsFestivalDay(exec))
{
currFestTop = AddEventToDay(exec, 0, currFestTop, fb);
}
}
}
}
return(1);
}
public override bool IsFestivalDay(GCFestivalSpecialExecutor exec)
{
VAISNAVADAY t = exec.day(-DayOffset);
if (nMasaMin <= nMasaMax)
{
if (t.astrodata.Masa < nMasaMin || t.astrodata.Masa > nMasaMax)
{
return(false);
}
}
else
{
if (t.astrodata.Masa < nMasaMin && t.astrodata.Masa > nMasaMax)
{
return(false);
}
}
GSCore c = exec.ExecuteElement(script);
if (c is GSReturn)
{
bool retval = c.getBooleanValue();
return(retval);
}
return(false);
}
public override bool IsFestivalDay(GCFestivalSpecialExecutor exec)
{
VAISNAVADAY testDay = exec.day(-DayOffset);
return(testDay.astrodata.Masa == nMasa &&
testDay.astrodata.sunRise.Paksa == nPaksa &&
(GCTithi.TITHI_EKADASI(testDay.astrodata.sunRise.Tithi) ||
GCTithi.TITHI_DVADASI(testDay.astrodata.sunRise.Tithi)) &&
testDay.nFastID == FastType.FAST_EKADASI);
}
/// <summary>
///
/// </summary>
/// <param name="exec"></param>
/// <param name="offsetWithToday">If value of this parameter is 0, then current day is processed,
/// -1 is for yesterday, +1 is for tomorrow</param>
/// <param name="currFestTop"></param>
/// <param name="fb"></param>
/// <returns></returns>
private int AddEventToDay(GCFestivalSpecialExecutor exec, int offsetWithToday, int currFestTop, GCFestivalBase fb)
{
VAISNAVADAY t = exec.day(offsetWithToday);
VAISNAVAEVENT md = t.AddEvent(DisplayPriorities.PRIO_FESTIVALS_0 + fb.BookID * 100 + currFestTop,
GCDS.CAL_FEST_0 + fb.BookID, fb.Text);
currFestTop += 5;
if (fb.FastID > 0)
{
md.fasttype = fb.FastID;
md.fastsubject = fb.FastingSubject;
}
if (GCDisplaySettings.Current.getValue(51) != 2 && fb.StartYear > -7000)
{
String ss1;
int years = t.astrodata.GaurabdaYear - (fb.StartYear - 1496);
string appx = "th";
if (years % 10 == 1)
{
appx = "st";
}
else if (years % 10 == 2)
{
appx = "nd";
}
else if (years % 10 == 3)
{
appx = "rd";
}
if (GCDisplaySettings.Current.getValue(51) == 0)
{
ss1 = string.Format("{0} ({1}{2} anniversary)", md.text, years, appx);
}
else
{
ss1 = string.Format("{0} ({1}{2})", md.text, years, appx);
}
md.text = ss1;
}
if (fb.EventsCount > 0)
{
foreach (GCFestivalBase re in fb.Events)
{
if (re is GCFestivalRelated)
{
GCFestivalRelated related = re as GCFestivalRelated;
AddEventToDay(exec, fb.DayOffset + related.DayOffset, 0, related);
}
}
}
return(currFestTop);
}
// test if today is tithi of given masa, or day after tithi of given masa
// while in second cas yesterday is tithi before given tithi and masa
public bool testFestival(GCFestivalSpecialExecutor exec, bool stickToMasa)
{
VAISNAVADAY yesterday = exec.day(-DayOffset - 1);
VAISNAVADAY today = exec.day(-DayOffset);
VAISNAVADAY tomorrow = exec.day(-DayOffset + 1);
if (today.astrodata.Masa == nMasa && today.astrodata.sunRise.Tithi == nTithi)
{
if (yesterday.astrodata.Masa == nMasa && yesterday.astrodata.sunRise.Tithi == nTithi)
{
return(false);
}
else
{
return(true);
}
}
// in case tithi is ksaya, and we want to observe festival on the calendar day, when tithi is ksaya, return yes
if (today.ksayaMasa == nMasa && today.ksayaTithi == nTithi && GCDisplaySettings.Current.AdvFestivalFirstDay)
{
return(true);
}
if (stickToMasa || GCMasa.IS_EXTRA(today.astrodata.Masa))
{
if (today.ksayaMasa == nMasa && today.ksayaTithi == nTithi)
{
return(true);
}
}
else
{
if (yesterday.ksayaMasa == nMasa && yesterday.ksayaTithi == nTithi && GCDisplaySettings.Current.AdvFestivalFirstDay == false)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Main function for CALENDAR calculations
/// </summary>
/// <param name="loc"></param>
/// <param name="begDate"></param>
/// <param name="iCount"></param>
/// <returns></returns>
public int CalculateCalendar(GCLocation loc, GregorianDateTime begDate, int iCount)
{
int i, weekday;
int nTotalCount = BEFORE_DAYS + iCount + BEFORE_DAYS;
GregorianDateTime date;
GCEarthData earth;
int lastMasa = 0;
int lastGYear = 0;
String tempStr;
bool bCalcMoon = (GCDisplaySettings.Current.getValue(4) > 0 || GCDisplaySettings.Current.getValue(5) > 0);
m_nCount = 0;
m_Location = loc;
m_vcStart = new GregorianDateTime(begDate);
m_vcCount = iCount;
earth = loc.GetEarthData();
// alokacia pola
m_pData = new VAISNAVADAY[nTotalCount];
// inicializacia poctovych premennych
m_nCount = nTotalCount;
m_PureCount = iCount;
date = new GregorianDateTime();
date.Set(begDate);
date.shour = 0.0;
date.TimezoneHours = loc.OffsetUtcHours;
date.SubtractDays(BEFORE_DAYS);
date.InitWeekDay();
weekday = date.dayOfWeek;
GCFestivalSpecialExecutor exec = new GCFestivalSpecialExecutor(this);
long utcDayStart = -1;
long utcDayEnd = -1;
// 1
// initialization of days
for (i = 0; i < nTotalCount; i++)
{
m_pData[i] = new VAISNAVADAY();
m_pData[i].date = new GregorianDateTime(date);
m_pData[i].date.dayOfWeek = weekday;
date.NextDay();
weekday = (weekday + 1) % 7;
m_pData[i].moonrise.SetValue(-1);
m_pData[i].moonset.SetValue(-1);
if (utcDayStart < 0)
{
utcDayStart = Convert.ToInt64(m_pData[i].date.GetJulianComplete() * 86400);
}
m_pData[i].UtcDayStart = utcDayStart;
utcDayStart += 86400;
}
for (i = 0; i < nTotalCount; i++)
{
m_pData[i].Previous = i > 0 ? m_pData[i - 1] : null;
m_pData[i].Next = i < nTotalCount - 1 ? m_pData[i + 1] : null;
}
TResultCoreEvents recentEvents = null;
// 2
// calculating DST data and core events
foreach (VAISNAVADAY t in m_pData)
{
t.BiasMinutes = loc.TimeZone.GetBiasMinutesForDay(t.date);
if (t.Previous != null)
{
t.DstDayType = (t.BiasMinutes == 0
? (t.Previous.BiasMinutes == 0 ? DstTypeChange.DstOff : DstTypeChange.DstEnd)
: (t.Previous.BiasMinutes == 0 ? DstTypeChange.DstStart : DstTypeChange.DstOn));
}
utcDayStart = t.UtcDayStart - (t.Previous != null ? t.Previous.BiasMinutes * 60 : 0);
utcDayEnd = t.UtcDayStart + 86400 - t.BiasMinutes * 60;
if (recentEvents == null || recentEvents.p_events.Count == 0 || recentEvents.Year != t.date.year)
{
recentEvents = GCCoreAstronomy.GetCoreEventsYear(loc, t.date.year);
}
recentEvents.GetCoreEvents(t.coreEvents, utcDayStart, utcDayEnd);
utcDayStart = utcDayEnd;
}
// 3
if (bCalcMoon)
{
foreach (VAISNAVADAY t in m_pData)
{
GCMoonData.CalcMoonTimes(earth, t.date, Convert.ToDouble(t.BiasMinutes / 60.0), out t.moonrise, out t.moonset);
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MOON_RISE) != 0 && t.moonrise.hour >= 0)
{
tempStr = t.Format(GCStrings.Localized("Moonrise {moonRiseTime} ({dstSig})"));
t.AddEvent(DisplayPriorities.PRIO_MOON, GCDS.CAL_MOON_RISE, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MOON_SET) != 0 && t.moonset.hour >= 0)
{
tempStr = t.Format(GCStrings.Localized("Moonset {moonSetTime} ({dstSig})"));
t.AddEvent(DisplayPriorities.PRIO_MOON, GCDS.CAL_MOON_SET, tempStr);
}
}
}
// 4
// init of astro data
foreach (VAISNAVADAY t in m_pData)
{
t.astrodata = new GCAstroData();
t.astrodata.DayCalc(t.date, earth);
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunArunodaya.TotalSeconds,
nType = CoreEventType.CCTYPE_S_ARUN
});
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunRise.TotalSeconds,
nType = CoreEventType.CCTYPE_S_RISE
});
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunNoon.TotalSeconds,
nType = CoreEventType.CCTYPE_S_NOON
});
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunSet.TotalSeconds,
nType = CoreEventType.CCTYPE_S_SET
});
}
// 5
// init of masa
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous == null ||
t.astrodata.sunRise.Paksa != t.Previous.astrodata.sunRise.Paksa)
{
t.astrodata.MasaCalc(t.date, earth);
lastMasa = t.astrodata.Masa;
lastGYear = t.astrodata.GaurabdaYear;
}
t.astrodata.Masa = lastMasa;
t.astrodata.GaurabdaYear = lastGYear;
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_SUN_LONG) != 0)
{
tempStr = string.Format("{0}: {1} (*)", GCStrings.Localized("Sun Longitude")
, t.astrodata.sunRise.longitude);
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_SUN_LONG, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MOON_LONG) != 0)
{
tempStr = string.Format("{0}: {1} (*)", GCStrings.Localized("Moon Longitude")
, t.astrodata.sunRise.longitudeMoon);
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_MOON_LONG, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_AYANAMSHA) != 0)
{
tempStr = string.Format("{0} {1} ({2}) (*)", GCStrings.Localized("Ayanamsha")
, t.astrodata.Ayanamsa
, GCAyanamsha.GetAyanamsaName(GCAyanamsha.GetAyanamsaType()));
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_AYANAMSHA, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_JULIAN) != 0)
{
tempStr = string.Format("{0} {1} (*)", GCStrings.Localized("Julian Time")
, t.astrodata.JulianDay);
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_JULIAN, tempStr);
}
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MASA_CHANGE) != 0)
{
String str;
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous != null && t.Previous.astrodata.Masa != t.astrodata.Masa)
{
str = t.Format(GCStrings.Localized("First day of {masaName} Masa"));
t.AddEvent(DisplayPriorities.PRIO_MASA_CHANGE, GCDS.CAL_MASA_CHANGE, str);
}
if (t.Next != null && t.Next.astrodata.Masa != t.astrodata.Masa)
{
str = t.Format(GCStrings.Localized("Last day of {masaName} Masa"));
t.AddEvent(DisplayPriorities.PRIO_MASA_CHANGE, GCDS.CAL_MASA_CHANGE, str);
}
}
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_DST_CHANGE) != 0)
{
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous != null && t.Previous.BiasMinutes == 0 && t.BiasMinutes != 0)
{
t.AddEvent(DisplayPriorities.PRIO_DST_CHANGE, GCDS.CAL_DST_CHANGE, GCStrings.Localized("First day of Daylight Saving Time"));
}
else if (t.Next != null && t.BiasMinutes != 0 && t.Next.BiasMinutes == 0)
{
t.AddEvent(DisplayPriorities.PRIO_DST_CHANGE, GCDS.CAL_DST_CHANGE, GCStrings.Localized("Last day of Daylight Saving Time"));
}
}
}
// 6
// init of mahadvadasis
foreach (VAISNAVADAY t in m_pData)
{
t.MahadvadasiCalc(earth);
}
//
// init for Ekadasis
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous == null)
{
continue;
}
t.EkadasiCalc(earth);
if (t.Previous.nFastID == FastType.FAST_EKADASI)
{
t.CalculateEParana(earth);
}
}
if (EkadasiOnly)
{
return(1);
}
// init ksaya data
// init of second day of vriddhi
CalculateKsayaVriddhiTithis();
//
// calculate sankrantis
CalculateSankrantis();
// 7
// init of festivals
AddMatchedFestivals(exec);
//
// apply daylight saving time
ApplyDaylightSavingHours();
//
// resolve festivals fasting
for (i = BEFORE_DAYS; i < m_PureCount + BEFORE_DAYS; i++)
{
ResolveFestivalsFasting(i);
if (GCDisplaySettings.Current.getValue(GCDS.CAL_SUN_RISE) != 0)
{
tempStr = string.Format("{0}-{1}-{2} {3} - {4} - {5} ({6})",
GCStrings.Localized("Sunrise"),
GCStrings.Localized("Noon"),
GCStrings.Localized("Sunset"),
m_pData[i].astrodata.sunRise.ToShortTimeString(),
m_pData[i].astrodata.sunNoon.ToShortTimeString(),
m_pData[i].astrodata.sunSet.ToShortTimeString(),
GCStrings.GetDSTSignature(m_pData[i].BiasMinutes));
m_pData[i].AddEvent(DisplayPriorities.PRIO_SUN, GCDS.CAL_SUN_RISE, tempStr);
}
if (GCDisplaySettings.Current.getValue(GCDS.CAL_SUN_SANDHYA) != 0)
{
tempStr = string.Format("{0}: {1} | {2} | {3} ({4})",
GCStrings.Localized("Sandhyas"),
m_pData[i].astrodata.sunRise.ShortSandhyaString(),
m_pData[i].astrodata.sunNoon.ShortSandhyaString(),
m_pData[i].astrodata.sunSet.ShortSandhyaString(),
GCStrings.GetDSTSignature(m_pData[i].BiasMinutes));
m_pData[i].AddEvent(DisplayPriorities.PRIO_SUN, GCDS.CAL_SUN_SANDHYA, tempStr);
}
if (GCDisplaySettings.Current.getValue(GCDS.CAL_BRAHMA_MUHURTA) != 0)
{
tempStr = string.Format("{0}: {1} ({2})",
GCStrings.Localized("Brahma Muhurta"),
m_pData[i].astrodata.sunRise.ShortMuhurtaString(-2),
GCStrings.GetDSTSignature(m_pData[i].BiasMinutes));
m_pData[i].AddEvent(DisplayPriorities.PRIO_SUN, GCDS.CAL_BRAHMA_MUHURTA, tempStr);
}
}
if (GCDisplaySettings.Current.getValue(GCDS.CAL_COREEVENTS) != 0)
{
int number = 1;
foreach (VAISNAVADAY today in m_pData)
{
foreach (TCoreEvent tde in today.coreEvents)
{
m_pData[i].AddEvent(DisplayPriorities.PRIO_ASTRO + number, GCDS.CAL_COREEVENTS,
tde.TypeString + " " + today.GetCoreEventTime(tde));
number++;
}
}
}
// sorting day events according priority
VAISNAVAEVENTComparer vec = new VAISNAVAEVENTComparer();
foreach (VAISNAVADAY t in m_pData)
{
t.dayEvents.Sort(vec);
}
return(1);
}
/// <summary>
/// returns true, if on exec.day(0) should be observed this event
/// </summary>
/// <param name="exec"></param>
/// <returns></returns>
public virtual bool IsFestivalDay(GCFestivalSpecialExecutor exec)
{
return(false);
}
public override bool IsFestivalDay(GCFestivalSpecialExecutor exec)
{
return(testFestival(exec, false));
}
public override bool IsFestivalDay(GCFestivalSpecialExecutor exec)
{
return(exec.day(-DayOffset).sankranti_zodiac == RasiOfSun);
}