Merge branch '1.21' of https://git.dbotthepony.ru/DBot/overdrive_that_matters into world-structures

src/data/kotlin/ru/dbotthepony/mc/otm/datagen/items/ItemModels.kt

@@ -130,13 +130,17 @@ fun addItemModels(provider: MatteryItemModelProvider) {
 	provider.generated(MItems.CLEANER_DRONE_KIT, modLocation("item/egg/cleaner"))
 	provider.generated(MItems.ANDROID_MELEE_SPAWN_EGG, modLocation("item/egg/android_melee"))
 
-	provider.generatedTiered(MItems.BATTERIES, "battery_tier")
+	provider.capacitorWithGauge(MItems.BATTERY_CRUDE, 10, "battery_gauge_", modLocation("item/battery_tier0"))
+	provider.capacitorWithGauge(MItems.BATTERY_BASIC, 10, "battery_gauge_", modLocation("item/battery_tier1"))
+	provider.capacitorWithGauge(MItems.BATTERY_NORMAL, 10, "battery_gauge_", modLocation("item/battery_tier2"))
+	provider.capacitorWithGauge(MItems.BATTERY_DENSE, 10, "battery_gauge_", modLocation("item/battery_tier3"))
+	provider.capacitorWithGauge(MItems.BATTERY_CAPACITOR, 10, "battery_gauge_", modLocation("item/battery_tier4"))
 	provider.generated(MItems.BATTERY_CREATIVE)
-	provider.generated(MItems.PROCEDURAL_BATTERY, modLocation("item/battery_procedural"))
+	provider.capacitorWithGauge(MItems.PROCEDURAL_BATTERY, 9, "battery_procedural_gauge_", modLocation("item/battery_procedural"))
 
-	provider.generated(MItems.MATTER_CAPACITOR_BASIC, modLocation("item/matter_capacitor_tier1"))
+	provider.capacitorWithGauge(MItems.MATTER_CAPACITOR_BASIC, 8, "matter_capacitor_gauge_", modLocation("item/matter_capacitor_tier1"))
-	provider.generated(MItems.MATTER_CAPACITOR_NORMAL, modLocation("item/matter_capacitor_tier2"))
+	provider.capacitorWithGauge(MItems.MATTER_CAPACITOR_NORMAL, 8, "matter_capacitor_gauge_", modLocation("item/matter_capacitor_tier2"))
-	provider.generated(MItems.MATTER_CAPACITOR_DENSE, modLocation("item/matter_capacitor_tier3"))
+	provider.capacitorWithGauge(MItems.MATTER_CAPACITOR_DENSE, 8, "matter_capacitor_gauge_", modLocation("item/matter_capacitor_tier3"))
 	provider.generated(MItems.MATTER_CAPACITOR_CREATIVE)
 
 	provider.generated(MItems.MachineUpgrades.Basic.BLANK, modLocation("item/machine_upgrade_tier1"))
@@ -184,8 +188,8 @@ fun addItemModels(provider: MatteryItemModelProvider) {
 	provider.upgrade(MItems.MachineUpgrades.Creative.MATTER_STORAGE_FLAT_SMALL, "matter", "creative")
 
 
-	provider.generated(MItems.QUANTUM_BATTERY)
+	provider.capacitorWithGauge(MItems.QUANTUM_BATTERY, 10, "battery_gauge_")
-	provider.generated(MItems.QUANTUM_CAPACITOR)
+	provider.capacitorWithGauge(MItems.QUANTUM_CAPACITOR, 10, "battery_gauge_")
 	provider.generated(MItems.QUANTUM_BATTERY_CREATIVE)
 
 	provider.generated(MItems.PATTERN_DRIVE_NORMAL, modLocation("item/pattern_drive_tier1"))

src/data/kotlin/ru/dbotthepony/mc/otm/datagen/items/MatteryItemModelProvider.kt

@@ -143,6 +143,33 @@ class MatteryItemModelProvider(event: GatherDataEvent) : ItemModelProvider(event
 			.texture("layer1", modLocation("item/machine_upgrade_icon_$upgradeType"))
 	}
 
+	fun capacitorWithGauge(item: Item, fillTextures: Int, gaugePrefix: String, baseTexture: ResourceLocation? = null) = exec {
+		val path = item.registryName!!.path
+		val texture = baseTexture ?: modLocation("item/$path")
+
+		val empty = withExistingParent("${path}_empty", GENERATED)
+			.texture("layer0", texture)
+
+		val basic = withExistingParent(path, GENERATED)
+			.texture("layer0", texture)
+			.texture("layer1", modLocation("item/${gaugePrefix}$fillTextures"))
+			.override()
+				.predicate(modLocation("capacitor_gauge"), 0f)
+				.model(empty)
+			.end()
+
+		for (i in 1 .. fillTextures) {
+			val model = withExistingParent("${path}_fill_$i", GENERATED)
+				.texture("layer0", texture)
+				.texture("layer1", modLocation("item/${gaugePrefix}$i"))
+
+			basic.override()
+				.predicate(modLocation("capacitor_gauge"), i.toFloat() / fillTextures.toFloat())
+				.model(model)
+			.end()
+		}
+	}
+
 	companion object {
 		val ARMOR_TRIM_MATERIALS = listOf("quartz", "iron", "netherite", "redstone", "copper", "gold", "emerald", "diamond", "lapis", "amethyst")
 		val GENERATED = ResourceLocation("minecraft", "item/generated")

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

@@ -348,6 +348,17 @@ abstract class MatteryBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state
 		private var cache: BlockCapabilityCache<T, in Direction?>? = null
 		private val listeners = Listenable.Impl<T?>()
 
+		private val lookupProvider = Supplier<T?> {
+			if (isRemoved)
+				return@Supplier null
+
+			val get = cache?.capability
+			provider = Supplier { get }
+			return@Supplier get
+		}
+
+		private var provider: Supplier<T?> = lookupProvider
+
 		override fun addListener(listener: Consumer<T?>): Listenable.L {
 			return listeners.addListener(listener)
 		}
@@ -358,23 +369,21 @@ abstract class MatteryBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state
 		}
 
 		override fun get(): T? {
-			if (isRemoved)
+			return provider.get()
-				return null
-
-			return cache?.capability
 		}
 
 		val isPresent: Boolean
-			get() = cache?.capability != null
+			get() = get() != null
 
 		val isEmpty: Boolean
-			get() = cache?.capability == null
+			get() = get() == null
 
 		fun rebuildCache() {
 			if (!SERVER_IS_LIVE) return
 			val level = level as? ServerLevel
 
 			val creationVersion = ++currentVersion
+			provider = lookupProvider
 
 			if (level == null) {
 				cache = null
@@ -388,12 +397,21 @@ abstract class MatteryBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state
 				{ !isRemoved || creationVersion != currentVersion },
 				// IllegalStateException("Do not call getCapability on an invalid cache or from the invalidation listener!")
 				// what a shame.
-				{ if (SERVER_IS_LIVE) onceServer { if (!isRemoved && creationVersion == currentVersion) listeners.accept(cache?.capability) } })
+				{
+					provider = lookupProvider
+					if (SERVER_IS_LIVE) onceServer { if (!isRemoved && creationVersion == currentVersion) listeners.accept(get()) }
+				})
 
 			onceServer {
-				if (!isRemoved && creationVersion == currentVersion) listeners.accept(cache?.capability)
+				if (!isRemoved && creationVersion == currentVersion) listeners.accept(get())
 			}
 		}
+
+		fun removeCache() {
+			cache = null
+			currentVersion++
+			provider = Supplier { null }
+		}
 	}
 
 	val syncher = SynchableGroup()
@@ -424,6 +442,7 @@ abstract class MatteryBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state
 
 	override fun setRemoved() {
 		super.setRemoved()
+		capabilityCaches.forEach { it.removeCache() }
 		unsubscribe()
 	}
 

src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableBlockEntity.kt

@@ -115,7 +115,7 @@ abstract class EnergyCableBlockEntity(type: BlockEntityType<*>, blockPos: BlockP
 
 		val sides get() = energySides
 
-		val currentlyTransferringTo = ObjectArraySet<Pair<Node, RelativeSide>>()
+		val currentlyTransferringTo = ObjectArraySet<Pair<Node, CableSide>>()
 
 		override fun onNeighbour(link: Link) {
 			if (link is DirectionLink) {

src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableGraph.kt

@@ -74,8 +74,8 @@ private class LinkedPriorityQueue<T : Comparable<T>> {
 }
 
 class EnergyCableGraph : GraphNodeList<EnergyCableBlockEntity.Node, EnergyCableGraph>() {
-	private val livelyNodes = HashSet<Pair<EnergyCableBlockEntity.Node, RelativeSide>>()
+	private val livelyNodes = HashSet<Pair<EnergyCableBlockEntity.Node, EnergyCableBlockEntity.CableSide>>()
-	private val livelyNodesList = ArrayList<Pair<EnergyCableBlockEntity.Node, RelativeSide>>()
+	private val livelyNodesList = ArrayList<Pair<EnergyCableBlockEntity.Node, EnergyCableBlockEntity.CableSide>>()
 
 	fun addLivelyNode(node: EnergyCableBlockEntity.Node) {
 		when (contains(node)) {
@@ -83,7 +83,7 @@ class EnergyCableGraph : GraphNodeList<EnergyCableBlockEntity.Node, EnergyCableG
 			ContainsStatus.DOES_NOT_BELONG -> throw IllegalArgumentException("$node does not belong to $this")
 			ContainsStatus.CONTAINS -> {
 				for (dir in RelativeSide.entries) {
-					val pair = node to dir
+					val pair = node to node.sides[dir]!!
 
 					if (livelyNodes.add(pair)) {
 						livelyNodesList.add(pair)
@@ -589,7 +589,7 @@ class EnergyCableGraph : GraphNodeList<EnergyCableBlockEntity.Node, EnergyCableG
 
 	override fun onNodeRemoved(node: EnergyCableBlockEntity.Node) {
 		for (dir in RelativeSide.entries) {
-			val pair = node to dir
+			val pair = node to node.sides[dir]!!
 
 			if (livelyNodes.remove(pair)) {
 				check(livelyNodesList.remove(pair))
@@ -617,7 +617,7 @@ class EnergyCableGraph : GraphNodeList<EnergyCableBlockEntity.Node, EnergyCableG
 
 	override fun onNodeAdded(node: EnergyCableBlockEntity.Node) {
 		for (dir in RelativeSide.entries) {
-			val pair = node to dir
+			val pair = node to node.sides[dir]!!
 			check(livelyNodes.add(pair))
 			livelyNodesList.add(pair)
 		}
@@ -649,8 +649,7 @@ class EnergyCableGraph : GraphNodeList<EnergyCableBlockEntity.Node, EnergyCableG
 				continue
 
 			try {
-				val (node, relSide) = pair
+				val (node, side) = pair
-				val side = node.sides[relSide]!!
 
 				if (!side.isEnabled) {
 					indicesToRemove.add(i)

src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterBottlerBlockEntity.kt

@@ -29,6 +29,7 @@ import ru.dbotthepony.mc.otm.registry.game.MBlockEntities
 import ru.dbotthepony.mc.otm.util.math.Decimal
 import ru.dbotthepony.mc.otm.util.countingLazy
 import ru.dbotthepony.mc.otm.graph.matter.SimpleMatterNode
+import ru.dbotthepony.mc.otm.util.math.toDecimal
 import java.util.function.BooleanSupplier
 
 class MatterBottlerBlockEntity(blockPos: BlockPos, blockState: BlockState) :
@@ -197,16 +198,25 @@ class MatterBottlerBlockEntity(blockPos: BlockPos, blockState: BlockState) :
 
 			if (matter.storedMatter.isPositive) {
 				val energyRatio = if (energyRate <= Decimal.ZERO) Decimal.ONE else energy.extractEnergy(energyRate, true) / energyRate
-				val matterRatio = matter.extractMatter(capability.receiveMatter(rate.coerceAtMost(matter.storedMatter), true), true) / rate
+				val matterTransferred = matter.extractMatter(capability.receiveMatter(rate.coerceAtMost(matter.storedMatter), true), true)
+				val matterRatio = matterTransferred / rate
 
-				val minRatio = minOf(matterRatio, energyRatio)
+				if (matterRatio == Decimal.ZERO && matterTransferred > Decimal.ZERO) {
-
+					// transferring very little matter, transfer this time for free
-				if (minRatio > Decimal.ZERO) {
 					isWorking = true
-					energy.extractEnergy(energyRate * minRatio, false)
+					matter.extractMatter(capability.receiveMatter(matter.storedMatter, false), false)
-					matter.extractMatter(capability.receiveMatter(rate * minRatio, false), false)
 					workProgress = ((capability.storedMatter - initialCapacity!!) / capability.maxStoredMatter).toFloat()
 					slot.setChanged()
+				} else {
+					val minRatio = minOf(matterRatio, energyRatio)
+
+					if (minRatio > Decimal.ZERO) {
+						isWorking = true
+						energy.extractEnergy(energyRate * minRatio, false)
+						matter.extractMatter(capability.receiveMatter(rate * minRatio, false), false)
+						workProgress = ((capability.storedMatter - initialCapacity!!) / capability.maxStoredMatter).toFloat()
+						slot.setChanged()
+					}
 				}
 			} else {
 				if (spitItemsWhenCantWork) {
@@ -262,20 +272,28 @@ class MatterBottlerBlockEntity(blockPos: BlockPos, blockState: BlockState) :
 			initialCapacity = initialCapacity ?: it.storedMatter
 
 			hasCapacitors = true
-			val rate = MachinesConfig.MatterBottler.RATE * (1.0 + upgrades.speedBonus)
+			val rate = MachinesConfig.MatterBottler.RATE * (Decimal.ONE + upgrades.speedBonus.toDecimal())
-			val energyRate = MachinesConfig.MatterBottler.VALUES.energyConsumption * (1.0 + upgrades.speedBonus)
+			val energyRate = MachinesConfig.MatterBottler.VALUES.energyConsumption * (Decimal.ONE + upgrades.speedBonus.toDecimal())
 
 			val energyRatio = if (energyRate <= Decimal.ZERO) Decimal.ONE else energy.extractEnergy(energyRate, true) / energyRate
-			val matterRatio = matter.receiveMatter(it.extractMatterChecked(rate, true), true) / rate
+			val matterExtracted = matter.receiveMatter(it.extractMatterChecked(rate, true), true)
+			val matterRatio = matterExtracted / rate
 
-			val minRatio = minOf(energyRatio, matterRatio)
+			if (matterRatio == Decimal.ZERO && matterExtracted > Decimal.ZERO) {
-
+				// very little matter extracted, extract this one for free
-			if (minRatio > Decimal.ZERO) {
 				any = true
-				energy.extractEnergy(energyRate * energyRatio, false)
+				matter.receiveMatter(it.extractMatterChecked(matterExtracted, false), false)
-				matter.receiveMatter(it.extractMatterChecked(rate * minRatio, false), false)
-
 				workProgress = 1f - (it.storedMatter / initialCapacity!!).toFloat()
+			} else {
+				val minRatio = minOf(energyRatio, matterRatio)
+
+				if (minRatio > Decimal.ZERO) {
+					any = true
+					energy.extractEnergy(energyRate * energyRatio, false)
+					matter.receiveMatter(it.extractMatterChecked(rate * minRatio, false), false)
+
+					workProgress = 1f - (it.storedMatter / initialCapacity!!).toFloat()
+				}
 			}
 
 			break

src/main/kotlin/ru/dbotthepony/mc/otm/item/matter/MatterDustItem.kt

@@ -163,6 +163,13 @@ class MatterDustItem : Item(Properties().stacksTo(64)), IMatterItem {
 		return matter(stack) >= ItemsConfig.MATTER_DUST_CAPACITY
 	}
 
+	fun makeStack(matterValue: Decimal = Decimal.ONE, count: Int = 1): ItemStack {
+		val stack = ItemStack(this, count)
+		matter(stack, matterValue)
+
+		return stack
+	}
+
 	override fun overrideStackedOnOther(
 		pStack: ItemStack,
 		pSlot: Slot,

src/main/kotlin/ru/dbotthepony/mc/otm/network/StreamCodecs.kt

@@ -1,6 +1,7 @@
 package ru.dbotthepony.mc.otm.network
 
 import io.netty.buffer.ByteBuf
+import net.minecraft.core.Direction
 import net.minecraft.core.UUIDUtil
 import net.minecraft.network.FriendlyByteBuf
 import net.minecraft.network.codec.ByteBufCodecs
@@ -10,6 +11,7 @@ import net.minecraft.world.level.block.Block
 import net.minecraft.world.level.block.state.BlockState
 import ru.dbotthepony.kommons.math.RGBAColor
 import ru.dbotthepony.mc.otm.container.ItemFilter
+import ru.dbotthepony.mc.otm.util.math.RelativeSide
 import ru.dbotthepony.mc.otm.util.readDecimal
 import ru.dbotthepony.mc.otm.util.writeDecimal
 import ru.dbotthepony.mc.otm.util.readBlockType
@@ -35,6 +37,8 @@ object StreamCodecs {
 	val RESOURCE_LOCATION = ResourceLocation.STREAM_CODEC.wrap()
 	val BLOCK_STATE: MatteryStreamCodec<ByteBuf, BlockState> = ByteBufCodecs.idMapper(Block.BLOCK_STATE_REGISTRY).wrap()
 	val BLOCK_TYPE = MatteryStreamCodec.Of(FriendlyByteBuf::writeBlockType, FriendlyByteBuf::readBlockType)
+	val RELATIVE_SIDE = MatteryStreamCodec.Enum<FriendlyByteBuf, RelativeSide>(RelativeSide::class.java)
+	val DIRECTION = MatteryStreamCodec.Enum<FriendlyByteBuf, Direction>(Direction::class.java)
 
 	val RGBA: MatteryStreamCodec<ByteBuf, RGBAColor> = StreamCodec.of<ByteBuf, RGBAColor>(
 		{ s, v -> s.writeFloat(v.red); s.writeFloat(v.green); s.writeFloat(v.blue); s.writeFloat(v.alpha) },

src/main/kotlin/ru/dbotthepony/mc/otm/network/syncher/DynamicSynchableGroup.kt

@@ -10,29 +10,39 @@ import java.io.Closeable
 import java.util.concurrent.ConcurrentLinkedQueue
 import java.util.concurrent.atomic.AtomicBoolean
 
+/**
+ * Constructs a new [DynamicSynchableGroup] where [T] is itself an [ISynchable]
+ */
+fun <T : ISynchable> DynamicSynchableGroup(reader: RegistryFriendlyByteBuf.() -> T, writer: T.(RegistryFriendlyByteBuf) -> Unit): DynamicSynchableGroup<T> {
+	return DynamicSynchableGroup(reader, { this }, writer)
+}
+
 /**
  * Syncher group/set, which deals with synchables of only one type, and which are created and removed
  * on remote (e.g. server adding and removing synchables at will), which makes it distinct from
  * [SynchableGroup], in which attached synchables are created/removed manually on both sides.
  */
-class DynamicSynchableGroup<T : ISynchable>(
+class DynamicSynchableGroup<T : Any>(
 	/**
 	 * Constructs new [T] instance locally, when remote created one.
 	 * Data written by [writer] must be read here, if there is any.
 	 */
 	private val reader: RegistryFriendlyByteBuf.() -> T,
 
+	/**
+	 * Gets an [ISynchable] out of value [T] for synching state
+	 */
+	private val synchable: T.() -> ISynchable,
+
 	/**
 	 * Allows to write additional data to network stream during
 	 * first-time networking of [T] to remote
 	 */
-	private val writer: T.(RegistryFriendlyByteBuf) -> Unit = {}
+	private val writer: T.(RegistryFriendlyByteBuf) -> Unit = {},
 ) : ISynchable, MutableSet<T> {
-	constructor(factory: () -> T) : this({ factory() }, {})
-
 	private inner class RemoteState(val listener: Runnable) : IRemoteState {
 		private inner class RemoteSlot(val slot: Slot<T>, fromConstructor: Boolean) : Runnable, Closeable {
-			val remoteState = slot.synchable.createRemoteState(this)
+			val remoteState = synchable(slot.value).createRemoteState(this)
 			val isDirty = AtomicBoolean(true)
 			var isRemoved = false
 				private set
@@ -114,7 +124,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 			firstTime.forEach {
 				stream.writeByte(ADD_ENTRY)
 				stream.writeVarInt(it.slot.id)
-				writer(it.slot.synchable, stream)
+				writer(it.slot.value, stream)
 			}
 
 			firstTime.clear()
@@ -177,10 +187,10 @@ class DynamicSynchableGroup<T : ISynchable>(
 		}
 	}
 
-	private data class Slot<T : Any>(val synchable: T, val id: Int)
+	private data class Slot<T : Any>(val value: T, val id: Int)
 
 	private val remoteStates = ArrayList<RemoteState>()
-	private val value2slot = HashMap<T, Slot<T>>()
+	private val value2slot = LinkedHashMap<T, Slot<T>>()
 	private val id2slot = Int2ObjectOpenHashMap<Slot<T>>()
 	private val idAllocator = IDAllocator()
 
@@ -199,7 +209,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 				REMOVE_ENTRY -> {
 					val id = stream.readVarInt()
 					val slot = checkNotNull(id2slot.remove(id)) { "No such slot with ID: $id" }
-					check(value2slot.remove(slot.synchable) == value2slot)
+					check(value2slot.remove(slot.value) == value2slot)
 					remoteStates.forEach { it.remove(slot) }
 				}
 
@@ -212,7 +222,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 
 					if (id2slot.containsKey(id)) {
 						val slot = id2slot.remove(id)!!
-						check(value2slot.remove(slot.synchable) == value2slot)
+						check(value2slot.remove(slot.value) == value2slot)
 						remoteStates.forEach { it.remove(slot) }
 					}
 
@@ -225,7 +235,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 				SYNC_ENTRY -> {
 					val id = stream.readVarInt()
 					val slot = checkNotNull(id2slot.get(id)) { "No such slot with ID: $id" }
-					slot.synchable.read(stream)
+					synchable(slot.value).read(stream)
 				}
 
 				CLEAR -> {
@@ -299,7 +309,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 			override fun next(): T {
 				val slot = parent.next()
 				last = KOptional(slot)
-				return slot.synchable
+				return slot.value
 			}
 
 			override fun remove() {
@@ -313,11 +323,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 	}
 
 	override fun remove(element: T): Boolean {
-		if (element !in value2slot) {
+		val slot = value2slot.remove(element) ?: return false
-			return false
-		}
-
-		val slot = value2slot.remove(element)!!
 		checkNotNull(id2slot.remove(slot.id))
 		remoteStates.forEach { it.remove(slot) }
 		idAllocator.release(slot.id)

src/main/kotlin/ru/dbotthepony/mc/otm/registry/MRegistry.kt

@@ -36,6 +36,7 @@ import ru.dbotthepony.mc.otm.block.decorative.CargoCrateBlock
 import ru.dbotthepony.mc.otm.block.decorative.ComputerTerminalBlock
 import ru.dbotthepony.mc.otm.block.decorative.StarChairBlock
 import ru.dbotthepony.mc.otm.block.decorative.TritaniumPressurePlate
+import ru.dbotthepony.mc.otm.capability.MatteryCapability
 import ru.dbotthepony.mc.otm.capability.matteryEnergy
 import ru.dbotthepony.mc.otm.client.MatteryGUI
 import ru.dbotthepony.mc.otm.util.ResourceLocation
@@ -319,6 +320,21 @@ object MRegistry : IBlockItemRegistryAcceptor {
 				val tag = stack.getOrDefault(MDataComponentTypes.Configurator.CONFIGURATION, CompoundTag())
 				if (tag.isEmpty) 0f else 1f
 			}
+
+			for (item in MItems.MATTER_CAPACITORS) {
+				ItemProperties.register(item, ResourceLocation(OverdriveThatMatters.MOD_ID, "capacitor_gauge")) { stack, _, _, _ ->
+					val cap = stack.getCapability(MatteryCapability.MATTER_ITEM) ?: return@register 1f
+					(cap.storedMatter / cap.maxStoredMatter).toFloat()
+				}
+			}
+
+			for (item in MItems.ALL_BATTERIES) {
+				ItemProperties.register(item, ResourceLocation(OverdriveThatMatters.MOD_ID, "capacitor_gauge")) { stack, _, _, _ ->
+					val energy = stack.matteryEnergy ?: return@register 1f
+
+					(energy.batteryLevel / energy.maxBatteryLevel).toFloat()
+				}
+			}
 		}
 	}
 

src/main/kotlin/ru/dbotthepony/mc/otm/registry/game/MCreativeTabs.kt

@@ -223,7 +223,7 @@ private fun addMainCreativeTabItems(consumer: CreativeModeTab.Output) {
 
 		accept(MItems.GRILL.values)
 
-		// accept(MItems.MATTER_DUST)
+		accept(MItems.MATTER_DUST.makeStack())
 
 		accept(MItems.TRITANIUM_ORE)
 		accept(MItems.DEEPSLATE_TRITANIUM_ORE)

src/main/kotlin/ru/dbotthepony/mc/otm/util/RandomUtils.kt

@@ -78,6 +78,17 @@ fun IntArray.shuffle(random: RandomSource): IntArray {
 	return this
 }
 
+fun <T> Array<T>.shuffle(random: RandomSource): Array<T> {
+	for (i in lastIndex downTo 1) {
+		val j = random.nextInt(i + 1)
+		val copy = this[i]
+		this[i] = this[j]
+		this[j] = copy
+	}
+
+	return this
+}
+
 fun <L : IntList> L.shuffle(random: RandomSource): L {
 	for (i in lastIndex downTo 1) {
 		val j = random.nextInt(i + 1)

src/main/kotlin/ru/dbotthepony/mc/otm/util/math/BlockRotation.kt

@@ -20,7 +20,21 @@ operator fun BlockPos.plus(other: BlockRotation): BlockPos {
 }
 
 enum class RelativeSide(val default: Direction) {
-	FRONT(Direction.NORTH), BACK(Direction.SOUTH), LEFT(Direction.WEST), RIGHT(Direction.EAST), TOP(Direction.UP), BOTTOM(Direction.DOWN)
+	FRONT(Direction.NORTH), BACK(Direction.SOUTH), LEFT(Direction.WEST), RIGHT(Direction.EAST), TOP(Direction.UP), BOTTOM(Direction.DOWN);
+
+	companion object {
+		@JvmStatic
+		fun defaultOf(direction: Direction): RelativeSide {
+			return when (direction) {
+				Direction.DOWN -> BOTTOM
+				Direction.UP -> TOP
+				Direction.NORTH -> FRONT
+				Direction.SOUTH -> BACK
+				Direction.WEST -> LEFT
+				Direction.EAST -> RIGHT
+			}
+		}
+	}
 }
 
 /**