Min3CraftDud3's Cuboid implementation in Kotlin.

Cuboid.kt

@file:Suppress("unused")

package tech.shiftmc.townywars.api

import org.bukkit.Bukkit
import org.bukkit.Location
import org.bukkit.block.Block
import kotlin.math.min

data class Cuboid(
    val worldName: String,
    val x1: Int, val y1: Int, val z1: Int,
    val x2: Int, val y2: Int, val z2: Int
): Cloneable, Iterable<Block> {

    val world = Bukkit.getWorld(worldName) ?: throw IllegalArgumentException("World $worldName is not loaded.")

    constructor(location: Location) : this(
        location.world.name,
        location.blockX,
        location.blockY,
        location.blockZ,
        location.blockX,
        location.blockY,
        location.blockZ
    )

    constructor(location: Location, location2: Location) : this(
        location.world.name,
        min(location.blockX, location2.blockX),
        min(location.blockY, location2.blockY),
        min(location.blockZ, location2.blockZ),
        min(location.blockX, location2.blockX),
        min(location.blockY, location2.blockY),
        min(location.blockZ, location2.blockZ)
    )

    fun getVolume() =
        (x2 - x1 + 1) * (y2 - y1 + 1) * (z2 - z1 + 1)

    fun getBlocks(): List<Block> {
        val blocks = mutableListOf<Block>()
        for (x in x1..x2) for (y in y1..y2) for (z in z1..z2) blocks.add(
            world.getBlockAt(x, y, z)
        )
        return blocks
    }

    override fun iterator(): Iterator<Block> =
        getBlocks().iterator()
}