Delegate List.shuffle extension impl to Minecraft util

src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/FlywheelBatteryBlockEntity.kt

@@ -37,6 +37,13 @@ class FlywheelBatteryBlockEntity(blockPos: BlockPos, blockState: BlockState) : M
 	private var multiblock: ShapedMultiblock? = null
 	private var lastHeight = -1
 	var batteryLevel = Decimal.ZERO
+		set(value) {
+			if (field != value) {
+				field = value
+				markDirtyFast()
+			}
+		}
+
 	private var cachedChargeEfficiency = Decimal.ONE
 
 	val formed: Boolean

src/main/kotlin/ru/dbotthepony/mc/otm/core/Ext.kt

@@ -188,24 +188,6 @@ fun <T : Enum<T>> T.prev(values: Array<out T>): T {
 	return values[next]
 }
 
-fun IntArray.shuffle(random: RandomGenerator) {
-	for (i in lastIndex downTo 1) {
-		val j = random.nextInt(i + 1)
-		val copy = this[i]
-		this[i] = this[j]
-		this[j] = copy
-	}
-}
-
-fun <T> MutableList<T>.shuffle(random: RandomGenerator) {
-	for (i in lastIndex downTo 1) {
-		val j = random.nextInt(i + 1)
-		val copy = this[i]
-		this[i] = this[j]
-		this[j] = copy
-	}
-}
-
 fun IntArray.shuffle(random: RandomSource) {
 	for (i in lastIndex downTo 1) {
 		val j = random.nextInt(i + 1)
@@ -216,12 +198,7 @@ fun IntArray.shuffle(random: RandomSource) {
 }
 
 fun <T> MutableList<T>.shuffle(random: RandomSource) {
-	for (i in lastIndex downTo 1) {
-		val j = random.nextInt(i + 1)
-		val copy = this[i]
-		this[i] = this[j]
-		this[j] = copy
-	}
+	return Util.shuffle(this, random)
 }
 
 fun <T> List<T>.random(random: RandomGenerator): T {

src/main/kotlin/ru/dbotthepony/mc/otm/core/util/CMWCRandom.kt

@@ -7,8 +7,8 @@ import net.minecraft.world.level.levelgen.PositionalRandomFactory
 import java.lang.StringBuilder
 import java.util.random.RandomGenerator
 
-class CMWCRandom(seed: Long = System.nanoTime(), private val stateSize: Int = CMWC_DEFAULT_STATE_SIZE) : RandomGenerator, RandomSource {
-	private val state = IntArray(stateSize)
+class CMWCRandom(seed: Long = System.nanoTime()) : RandomGenerator, RandomSource {
+	private val state = IntArray(CMWC_STATE_SIZE)
 	private var carry = 0
 	private var stateIndex = 0
 	private val gaussian = MarsagliaPolarGaussian(this)
@@ -37,7 +37,7 @@ class CMWCRandom(seed: Long = System.nanoTime(), private val stateSize: Int = CM
 	}
 
 	override fun nextInt(): Int {
-		stateIndex = (stateIndex + 1) % state.size
+		stateIndex = (stateIndex + 1).and(CMWC_STATE_SIZE - 1)
 		val t = 18782L * state[stateIndex] + carry
 
 		carry = t.ushr(32).toInt()
@@ -83,24 +83,24 @@ class CMWCRandom(seed: Long = System.nanoTime(), private val stateSize: Int = CM
 	}
 
 	override fun fork(): RandomSource {
-		return CMWCRandom(nextLong(), stateSize)
+		return CMWCRandom(nextLong())
 	}
 
 	override fun forkPositional(): PositionalRandomFactory {
-		return Positional(nextLong(), stateSize)
+		return Positional(nextLong())
 	}
 
-	class Positional(val seed: Long, val stateSize: Int = CMWC_DEFAULT_STATE_SIZE) : PositionalRandomFactory {
+	class Positional(val seed: Long) : PositionalRandomFactory {
 		override fun at(x: Int, y: Int, z: Int): RandomSource {
-			return CMWCRandom(Mth.getSeed(x, y, z).xor(seed), stateSize)
+			return CMWCRandom(Mth.getSeed(x, y, z).xor(seed))
 		}
 
 		override fun fromHashOf(name: String): RandomSource {
-			return CMWCRandom(name.hashCode().toLong().xor(seed), stateSize)
+			return CMWCRandom(name.hashCode().toLong().xor(seed))
 		}
 
 		override fun fromSeed(seed: Long): RandomSource {
-			return CMWCRandom(seed, stateSize)
+			return CMWCRandom(seed)
 		}
 
 		override fun parityConfigString(builder: StringBuilder) {
@@ -109,7 +109,7 @@ class CMWCRandom(seed: Long = System.nanoTime(), private val stateSize: Int = CM
 	}
 
 	companion object {
-		const val CMWC_DEFAULT_STATE_SIZE = 256 // 4096
+		const val CMWC_STATE_SIZE = 256 // 4096
 		const val CMWC_CARRY_MAX = 809430660
 	}
 }