Shuffle.scala

package ru.red.sorting.items

import net.minecraft.client.Minecraft
import net.minecraft.nbt.CompoundTag
import net.minecraft.world.{InteractionHand, InteractionResultHolder}
import net.minecraft.world.entity.player.Player
import net.minecraft.world.item.{Item, ItemStack, Rarity}
import net.minecraft.world.level.Level
import net.minecraftforge.event.TickEvent
import net.minecraftforge.eventbus.api.SubscribeEvent
import ru.red.sorting.manager.SortingManager

import java.util.Timer
import scala.util.Random
import scala.util.control.Breaks.break

object Shuffle extends Item(new Item.Properties()
  .rarity(Rarity.EPIC)
  .stacksTo(1)
  .fireResistant()
) {

  {
    this.setRegistryName("shuffle")
  }

  override def use(pLevel: Level,
                   pPlayer: Player,
                   pUsedHand: InteractionHand): InteractionResultHolder[ItemStack] = {
    val itemStack = pPlayer.getItemInHand(pUsedHand)
    val plain = SortingManager.getById(
      itemStack.getTag
        .getInt("sortingPlainId")
    )
    val random = new Random()

    val array = plain.getArray
    var i = 0
    val level = Minecraft.getInstance().level
    def shuffle(): Unit = {
      while (true) {
        if (level != null && level.getLevelData.getGameTime % 5 == 0) {
          val j = random.nextInt(array.length)
          val t = array(j)
          array(j) = array(i)
          array(i) = t
          plain.sync(array)
          i += 1
          if (i >= array.length) {
            return
          }
        }
      } 
    }
    shuffle()
    InteractionResultHolder.success(itemStack)
  }
}