officially_wut

static evdate_u decode_date(evdate_u* enc_date) {
  evdate_u date;
  date.d.month = enc_date->d.month;

  /* Check for event that happens month */
  if (date.d.month == EV_SPDATE_EVERYMONTH) {
    date.d.month = ZCommonGet(time.rtcTime.month);
  }
  date.d.day = enc_date->d.day;

  /* Check for last day of month event */
  if (date.d.day == EV_SPDATE_LASTDAY) {
    date.d.day = last_day_of_month(date.d.month);
  }

  /* Check if the event's date is a "cached" day in the game save */
  if (date.d.month > EV_SPDATE_LASTDAY) {
    date.v = SaveGet(
        event.xday[date.d.month - 100]); /* Save data is month-day pairing */
  }

  date.d.flag = enc_date->d.flag;
  date.d.hour = enc_date->d.hour;

  /* Check if the event's hour is a "cached" time in the game save */
  if ((date.d.hour & 0x20) != 0) {
    date.d.hour =
        (char)SaveGet(event.xday[date.d.hour & 0x1F]) | (date.d.hour & 0xC0);
  }

  /* Check if date is Japanese Lunar Calendar format */
  if (date.d.month >= 80) {
    date.d.month -= 80;

    if (date.d.month < lbRk_KYUU_LEAP_MONTH) {
      date.v = kyu2sei(&date); /* Standard Lunar conversion */
    } else {
      /* Calculate Lunar New Year */
      evdate_u lunar_newyear;
      lunar_newyear.d.month = lbRk_KYUU_MONTH_START;
      lunar_newyear.d.day = DAY_01;
      lunar_newyear.d.flag = 0;
      lunar_newyear.d.flag = TIME_00;

      /* Lunar New Year date conversion */
      lunar_newyear.v = kyu2sei(&lunar_newyear);
      if (date.d.day == DAY_30) {
        if (lunar_newyear.v != to_ev_month_day(FEBRUARY, DAY_01)) {
          date.d.month = lunar_newyear.d.month;
          date.d.day = lunar_newyear.d.day - 1;
        } else {
          date.d.day = DAY_31;
          date.d.month = JANUARY;
        }
      } else if (date.d.day == 29) {
        if (lunar_newyear.v == to_ev_month_day(FEBRUARY, DAY_02)) {
          date.d.day = DAY_31;
          date.d.month = JANUARY;
        } else if (lunar_newyear.v == to_ev_month_day(FEBRUARY, DAY_01)) {
          date.d.day = DAY_30;
          date.d.month = JANUARY;
        } else {
          date.d.month = lunar_newyear.d.month;
          date.d.day = lunar_newyear.d.day - 2;
        }
      } else if (date.d.day == DAY_25) {
        if (lunar_newyear.v == to_ev_month_day(FEBRUARY, DAY_05)) {
          date.d.day = DAY_31;
          date.d.month = JANUARY;
        } else if (lunar_newyear.v == to_ev_month_day(FEBRUARY, DAY_04)) {
          date.d.day = DAY_30;
          date.d.month = JANUARY;
        } else if (lunar_newyear.v == to_ev_month_day(FEBRUARY, DAY_03)) {
          date.d.day = DAY_29;
          date.d.month = JANUARY;
        } else if (lunar_newyear.v == to_ev_month_day(FEBRUARY, DAY_02)) {
          date.d.day = DAY_28;
          date.d.month = JANUARY;
        } else if (lunar_newyear.v == to_ev_month_day(FEBRUARY, DAY_01)) {
          date.d.day = DAY_27;
          date.d.month = JANUARY;
        } else if (lunar_newyear.v == to_ev_month_day(JANUARY, DAY_05)) {
          date.d.day = DAY_31;
          date.d.month = DECEMBER;
        } else if (lunar_newyear.v == to_ev_month_day(JANUARY, DAY_04)) {
          date.d.day = DAY_30;
          date.d.month = DECEMBER;
        } else if (lunar_newyear.v == to_ev_month_day(JANUARY, DAY_03)) {
          date.d.day = DAY_29;
          date.d.month = DECEMBER;
        } else if (lunar_newyear.v == to_ev_month_day(JANUARY, DAY_02)) {
          date.d.day = DAY_28;
          date.d.month = DECEMBER;
        } else if (lunar_newyear.v == to_ev_month_day(JANUARY, DAY_01)) {
          date.d.day = DAY_27;
          date.d.month = DECEMBER;
        } else {
          date.d.day = lunar_newyear.d.day - 5;
          date.d.month = lunar_newyear.d.month;
        }
      }
    }
  }

  /* Check for day of week event */
  if ((date.d.day & 0x80) != 0) {
    date.d.day = m_weekday2day(date.d.month, date.d.day);
  }

  return date;
}