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/*
* Copyright (C) 2023 NotEnoughUpdates contributors
*
* This file is part of NotEnoughUpdates.
*
* NotEnoughUpdates is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later version.
*
* NotEnoughUpdates is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with NotEnoughUpdates. If not, see <https://www.gnu.org/licenses/>.
*/
package io.github.moulberry.notenoughupdates.util
import net.minecraft.util.EnumChatFormatting.RED
import net.minecraft.util.EnumChatFormatting.YELLOW
import java.util.*
import kotlin.math.pow
import kotlin.math.round
fun Double.roundToDecimals(decimals: Int): Double {
val multiplier = 10.0.pow(decimals)
return round(this * multiplier) / multiplier
}
private val romanSymbols = TreeMap(
mapOf(
1000 to "M",
900 to "CM",
500 to "D",
400 to "CD",
100 to "C",
90 to "XC",
50 to "L",
40 to "XL",
10 to "X",
9 to "IX",
5 to "V",
4 to "IV",
1 to "I",
)
)
fun Int.toRoman(): String {
if (this <= 0) {
Utils.addChatMessage("$YELLOW[NEU] ${RED}Invalid number roman numeral conversion: $this")
Utils.addChatMessage("$YELLOW[NEU] ${RED}Please report this to discord.gg/moulberry")
return "?"
}
val l = romanSymbols.floorKey(this)
return if (this == l) {
romanSymbols[this]!!
} else romanSymbols[l] + (this - l).toRoman()
}
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