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package at.hannibal2.skyhanni.utils
import java.time.Instant
/**
* SkyBlockTime Utility
* Originally in NEU; copied and modified with permission.
* @author hannibal, nea89o
* Modified further by walker
*/
data class SkyBlockTime(
val year: Int = 1,
val month: Int = 1,
val day: Int = 1,
val hour: Int = 0,
val minute: Int = 0,
val second: Int = 0,
) {
val monthName get() = monthName(month)
val dayName get() = "$day${daySuffix(day)}"
fun toInstant(): Instant? = Instant.ofEpochMilli(toMillis())
fun toMillis(): Long =
calculateTimeInSkyBlockMillis(year, month, day, hour, minute, second) + SKYBLOCK_EPOCH_START_MILLIS
companion object {
private const val SKYBLOCK_EPOCH_START_MILLIS = 1559829300000L // Day 1, Year 1
const val SKYBLOCK_YEAR_MILLIS = 124 * 60 * 60 * 1000L
private const val SKYBLOCK_MONTH_MILLIS = SKYBLOCK_YEAR_MILLIS / 12
private const val SKYBLOCK_DAY_MILLIS = SKYBLOCK_MONTH_MILLIS / 31
private const val SKYBLOCK_HOUR_MILLIS = SKYBLOCK_DAY_MILLIS / 24
private const val SKYBLOCK_MINUTE_MILLIS = SKYBLOCK_HOUR_MILLIS / 60
private const val SKYBLOCK_SECOND_MILLIS = SKYBLOCK_MINUTE_MILLIS / 60
fun fromInstant(instant: Instant): SkyBlockTime =
calculateSkyBlockTime(instant.toEpochMilli() - SKYBLOCK_EPOCH_START_MILLIS)
fun now(): SkyBlockTime = fromInstant(Instant.now())
private fun calculateSkyBlockTime(realMillis: Long): SkyBlockTime {
var remainingMillis = realMillis
val year = getUnit(remainingMillis, SKYBLOCK_YEAR_MILLIS)
remainingMillis %= SKYBLOCK_YEAR_MILLIS
val month = getUnit(remainingMillis, SKYBLOCK_MONTH_MILLIS) + 1
remainingMillis %= SKYBLOCK_MONTH_MILLIS
val day = getUnit(remainingMillis, SKYBLOCK_DAY_MILLIS) + 1
remainingMillis %= SKYBLOCK_DAY_MILLIS
val hour = getUnit(remainingMillis, SKYBLOCK_HOUR_MILLIS)
remainingMillis %= SKYBLOCK_HOUR_MILLIS
val minute = getUnit(remainingMillis, SKYBLOCK_MINUTE_MILLIS)
remainingMillis %= SKYBLOCK_MINUTE_MILLIS
val second = getUnit(remainingMillis, SKYBLOCK_SECOND_MILLIS)
return SkyBlockTime(year, month, day, hour, minute, second)
}
private fun getUnit(millis: Long, factor: Long): Int = (millis / factor).toInt()
private fun calculateTimeInSkyBlockMillis(
year: Int,
month: Int,
day: Int,
hour: Int,
minute: Int,
second: Int
): Long {
var time = 0L
time += year * SKYBLOCK_YEAR_MILLIS
time += (month - 1) * SKYBLOCK_MONTH_MILLIS
time += (day - 1) * SKYBLOCK_DAY_MILLIS
time += hour * SKYBLOCK_HOUR_MILLIS
time += minute * SKYBLOCK_MINUTE_MILLIS
time += second * SKYBLOCK_SECOND_MILLIS
return time
}
fun monthName(month: Int): String {
val prefix = when ((month - 1) % 3) {
0 -> "Early "
1 -> ""
2 -> "Late "
else -> "Undefined!"
}
val name = when ((month - 1) / 3) {
0 -> "Spring"
1 -> "Summer"
2 -> "Autumn"
3 -> "Winter"
else -> "Undefined!"
}
return prefix + name
}
fun daySuffix(n: Int): String {
return if (n in 11..13) {
"th"
} else when (n % 10) {
1 -> "st"
2 -> "nd"
3 -> "rd"
else -> "th"
}
}
}
}
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