/// <summary>
/// ヴァナ日付に任意の日付を足す
/// </summary>
/// <param name="iVanaTime"></param>
/// <param name="iAddDays"></param>
/// <returns></returns>
public static VanaTime addVanaDay(VanaTime iVanaTime, int iAddDays = 1)
{
var ret = new VanaTime()
{
Year = iVanaTime.Year,
Month = iVanaTime.Month,
Day = iVanaTime.Day,
Hour = iVanaTime.Hour,
Minute = iVanaTime.Minute,
Second = iVanaTime.Second,
};
for (int i = 0; i < iAddDays; i++)
{
ret.Day++;
if (ret.Day > 30)
{
ret.Day = 1;
ret.Month++;
}
if (ret.Month > 12)
{
ret.Month = 1;
ret.Year++;
}
}
return(ret);
}
/// <summary>
/// ヴァナ日付より曜日を取得
/// </summary>
/// <param name="iVanaDate"></param>
/// <returns></returns>
public static Weekday GetWeekdayFromVanaTime(VanaTime iVanaTime)
{
long vanaTicks = getVanaTicks(iVanaTime);
double dayType = (byte)((vanaTicks % (8D * 24D * 60D * 60D)) / (24D * 60D * 60D));
return((Weekday)dayType);
}
/// <summary>
/// ヴァナ時間より月齢を取得
/// </summary>
/// <param name="iVanaDate">ヴァナ日付</param>
/// <returns>月齢</returns>
public static MoonPhase GetMoonPhaseFromVanaTime(VanaTime iVanaTime)
{
long vanaTicks = getVanaTicks(iVanaTime);
double moonPhase = (byte)((vanaTicks % (12D * 7D * 24D * 60D * 60D)) / (7D * 24D * 60D * 60D));
return((MoonPhase)moonPhase);
}
/// <summary>
/// 地球時間からヴァナ時間を取得
/// </summary>
/// <param name="iEarthDate">地球時間</param>
/// <returns>ヴァナ時間</returns>
public static VanaTime GetVanaTimeFromEarthTime(DateTime iEarthDate)
{
//地球時間 2002/01/01 00:00:00 = 天晶暦 0886/01/01 00:00:00
//一年＝３６０日 一ヶ月＝３０日 一日＝２４時間 一時間＝６０分 一分＝６０秒
var ret = new VanaTime();
DateTime baseDate = new DateTime(2002, 1, 1, 0, 0, 0);
DateTime nowDate = new DateTime(iEarthDate.Year, iEarthDate.Month, iEarthDate.Day, iEarthDate.Hour, iEarthDate.Minute, iEarthDate.Second);
long baseTicks = baseDate.Ticks / 10000000L;
long nowTicks = nowDate.Ticks / 10000000L;
long vanaTicks = (nowTicks - baseTicks) * 25L;
//年
double year = vanaTicks / (360D * 24D * 60D * 60D);
ret.Year = (uint)(Math.Floor(year) + 886D);
//月
ret.Month = (byte)((vanaTicks % (360D * 24D * 60D * 60D)) / (30D * 24D * 60D * 60D) + 1);
//日
ret.Day = (byte)((vanaTicks % (30D * 24D * 60D * 60D)) / (24D * 60D * 60D) + 1);
//時
ret.Hour = (byte)((vanaTicks % (24D * 60D * 60D)) / (60D * 60D));
//分
ret.Minute = (byte)((vanaTicks % (60D * 60D)) / (60D));
//秒
ret.Second = (byte)(vanaTicks % 60D);
//曜日
double dayType = (byte)((vanaTicks % (8D * 24D * 60D * 60D)) / (24D * 60D * 60D));
ret.DayType = (Weekday)dayType;
//月齢
double moonPhase = (byte)((vanaTicks % (12D * 7D * 24D * 60D * 60D)) / (7D * 24D * 60D * 60D));
ret.MoonPhase = (MoonPhase)moonPhase;
return(ret);
}
/// <summary>
/// ヴァナ時間のTicksを取得
/// </summary>
/// <param name="iVanaDate">ヴァナ日付</param>
/// <returns>Ticks</returns>
private static long getVanaTicks(VanaTime iVanaTime)
{
long baseTicks = (886L * 360L * 24L * 60L * 60L) + (30L * 24L * 60L * 60L) + (24L * 60L * 60L);
long vanaTicks = (iVanaTime.Year * 12L * 30L * 24L * 60L * 60L) +
(iVanaTime.Month * 30L * 24L * 60L * 60L) +
(iVanaTime.Day * 24L * 60L * 60L) +
(iVanaTime.Hour * 60L * 60L) +
(iVanaTime.Minute * 60L) +
(long)iVanaTime.Second;
return(vanaTicks - baseTicks);
}
public VanaTime GetVanaTime()
{
VanaTime ret = new VanaTime();
ret.Year = api.VanaTime.CurrentYear;
ret.Month = api.VanaTime.CurrentMonth;
ret.Day = api.VanaTime.CurrentDay;
ret.Hour = api.VanaTime.CurrentHour;
ret.Minute = api.VanaTime.CurrentMinute;
ret.Second = api.VanaTime.CurrentSecond;
ret.DayType = (Weekday)api.VanaTime.CurrentDay;
ret.MoonPhase = (MoonPhase)api.VanaTime.CurrentMoonPhase;
ret.MoonPercent = api.VanaTime.CurrentMoonPercent;
return(ret);
}
/// <summary>
/// ヴァナ日付より地球日付を取得
/// </summary>
/// <param name="iVanaDate"></param>
/// <returns></returns>
public static DateTime GetEarthTimeFromVanaTime(VanaTime iVanaTime)
{
//地球時間 2002/01/01 00:00:00 = 天晶暦 0886/01/01 00:00:00
//一年＝３６０日 一ヶ月＝３０日 一日＝２４時間 一時間＝６０分 一分＝６０秒
long baseTicks = (886L * 360L * 24L * 60L * 60L) + (30L * 24L * 60L * 60L) + (24L * 60L * 60L);
long vanaTicks = (iVanaTime.Year * 12L * 30L * 24L * 60L * 60L) +
(iVanaTime.Month * 30L * 24L * 60L * 60L) +
(iVanaTime.Day * 24L * 60L * 60L) +
(iVanaTime.Hour * 60L * 60L) +
(iVanaTime.Minute * 60L) +
(long)iVanaTime.Second;
long addseconds = (((vanaTicks - baseTicks) / 25L));
DateTime ret = new DateTime(2002, 1, 1, 0, 0, 0);
ret = ret.AddSeconds(addseconds);
return(ret);
}