Add Redstone Emitter

src/main/kotlin/net/shadowfacts/cacao/CacaoHandledScreen.kt

@@ -7,6 +7,7 @@ import net.minecraft.screen.ScreenHandler
 import net.minecraft.sound.SoundEvents
 import net.minecraft.text.Text
 import net.shadowfacts.cacao.geometry.Point
+import net.shadowfacts.cacao.util.KeyModifiers
 import net.shadowfacts.cacao.util.MouseButton
 import net.shadowfacts.cacao.util.RenderHelper
 import net.shadowfacts.cacao.window.ScreenHandlerWindow
@@ -57,15 +58,16 @@ open class CacaoHandledScreen<Handler: ScreenHandler>(
 	}
 
 	override fun drawBackground(matrixStack: MatrixStack, delta: Float, mouseX: Int, mouseY: Int) {
+		renderBackground(matrixStack)
+	}
+
+	override fun drawForeground(matrixStack: MatrixStack, mouseX: Int, mouseY: Int) {
 		// no-op
 	}
 
 	override fun render(matrixStack: MatrixStack, mouseX: Int, mouseY: Int, delta: Float) {
-		renderBackground(matrixStack)
-
 		val mouse = Point(mouseX, mouseY)
 		windows.forEachIndexed { index, it ->
-			it.draw(matrixStack, mouse, delta)
 			if (it is ScreenHandlerWindow) {
 				if (index == windows.size - 1) {
 					super.render(matrixStack, mouseX, mouseY, delta)
@@ -74,7 +76,10 @@ open class CacaoHandledScreen<Handler: ScreenHandler>(
 					super.render(matrixStack, -1, -1, delta)
 				}
 			}
+			it.draw(matrixStack, mouse, delta)
 		}
+
+		drawMouseoverTooltip(matrixStack, mouseX, mouseY)
 	}
 
 	override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
@@ -90,4 +95,20 @@ open class CacaoHandledScreen<Handler: ScreenHandler>(
 		}
 	}
 
+	override fun keyPressed(keyCode: Int, scanCode: Int, modifiers: Int): Boolean {
+		val modifiersSet by lazy { KeyModifiers(modifiers) }
+		if (findResponder { it.keyPressed(keyCode, modifiersSet) }) {
+			return true
+		}
+		return super.keyPressed(keyCode, scanCode, modifiers)
+	}
+
+	override fun charTyped(char: Char, modifiers: Int): Boolean {
+		val modifiersSet by lazy { KeyModifiers(modifiers) }
+		if (findResponder { it.charTyped(char, modifiersSet) }) {
+			return true
+		}
+		return super.charTyped(char, modifiers)
+	}
+
 }

src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt

@@ -139,15 +139,15 @@ open class CacaoScreen(title: Text = LiteralText("CacaoScreen")): Screen(title),
 		return super.charTyped(char, modifiers)
 	}
 
-	private fun findResponder(fn: (Responder) -> Boolean): Boolean {
-		var responder = windows.lastOrNull()?.firstResponder
-		while (responder != null) {
-			if (fn(responder)) {
-				return true
-			}
-			responder = responder.nextResponder
-		}
-		return false
-	}
-
+}
+
+fun AbstractCacaoScreen.findResponder(fn: (Responder) -> Boolean): Boolean {
+	var responder = windows.lastOrNull()?.firstResponder
+	while (responder != null) {
+		if (fn(responder)) {
+			return true
+		}
+		responder = responder.nextResponder
+	}
+	return false
 }

src/main/kotlin/net/shadowfacts/cacao/util/Color.kt

@@ -29,6 +29,7 @@ data class Color(val red: Int, val green: Int, val blue: Int, val alpha: Int = 2
 		val RED = Color(0xff0000)
 		val GREEN = Color(0x00ff00)
 		val BLUE = Color(0x0000ff)
+		val MAGENTA = Color(0xfc46e4)
 
 		val TEXT = Color(0x404040)
 	}

src/main/kotlin/net/shadowfacts/cacao/view/Label.kt

@@ -94,7 +94,7 @@ class Label(
 		for (i in 0 until lines.size) {
 			val x = when (textAlignment) {
 				TextAlignment.LEFT -> 0.0
-				TextAlignment.CENTER -> (bounds.width + textRenderer.getWidth(lines[i])) / 2
+				TextAlignment.CENTER -> (bounds.width - textRenderer.getWidth(lines[i])) / 2
 				TextAlignment.RIGHT -> bounds.width - textRenderer.getWidth(lines[i])
 			}
 			val y = i * textRenderer.fontHeight

src/main/kotlin/net/shadowfacts/cacao/view/textfield/AbstractTextField.kt

@@ -62,12 +62,22 @@ abstract class AbstractTextField<Impl: AbstractTextField<Impl>>(
 			minecraftWidget.setMaxLength(value)
 		}
 
+	/**
+	 * Whether the Minecraft builtin black background and border are drawn. Defaults to true.
+	 */
+	var drawBackground = true
+		set(value) {
+			field = value
+			minecraftWidget.setHasBorder(value)
+		}
+
 	private lateinit var originInWindow: Point
 	private var minecraftWidget = ProxyWidget()
 
 	init {
 		minecraftWidget.text = initialText
 		minecraftWidget.setTextPredicate { this.validate(it) }
+		minecraftWidget.setHasBorder(drawBackground)
 	}
 
 	/**

src/main/kotlin/net/shadowfacts/cacao/view/textfield/NumberField.kt

@@ -0,0 +1,42 @@
+package net.shadowfacts.cacao.view.textfield
+
+/**
+ * @author shadowfacts
+ */
+class NumberField(
+	initialValue: Int,
+	handler: ((NumberField) -> Unit)? = null,
+): AbstractTextField<NumberField>(initialValue.toString()) {
+
+	var number: Int?
+		get() {
+			return if (text.isEmpty()) {
+				null
+			} else {
+				try {
+					Integer.parseInt(text)
+				} catch (e: NumberFormatException) {
+					null
+				}
+			}
+		}
+		set(value) {
+			text = value?.toString() ?: ""
+		}
+
+	var validator: ((Int) -> Boolean)? = null
+
+	init {
+		this.handler = handler
+	}
+
+	override fun validate(proposedText: String): Boolean {
+		return proposedText.isEmpty() || try {
+			val value = Integer.parseInt(proposedText)
+			validator?.invoke(value) ?: true
+		} catch (e: NumberFormatException) {
+			false
+		}
+	}
+
+}

src/main/kotlin/net/shadowfacts/phycon/PhysicalConnectivity.kt

@@ -29,6 +29,7 @@ object PhysicalConnectivity: ModInitializer {
 		registerGlobalReceiver(C2SConfigureActivationMode)
 		registerGlobalReceiver(C2SConfigureRedstoneController)
 		registerGlobalReceiver(C2SConfigureInserterAmount)
+		registerGlobalReceiver(C2SConfigureRedstoneEmitterAmount)
 	}
 
 	private fun registerGlobalReceiver(receiver: ServerReceiver) {

src/main/kotlin/net/shadowfacts/phycon/PhysicalConnectivityClient.kt

@@ -4,6 +4,7 @@ import net.fabricmc.api.ClientModInitializer
 import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
 import net.fabricmc.fabric.api.client.screenhandler.v1.ScreenRegistry
 import net.shadowfacts.phycon.block.inserter.InserterScreen
+import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterScreen
 import net.shadowfacts.phycon.init.PhyScreens
 import net.shadowfacts.phycon.block.terminal.TerminalScreen
 import net.shadowfacts.phycon.networking.ClientReceiver
@@ -17,6 +18,7 @@ object PhysicalConnectivityClient: ClientModInitializer {
 	override fun onInitializeClient() {
 		ScreenRegistry.register(PhyScreens.TERMINAL, ::TerminalScreen)
 		ScreenRegistry.register(PhyScreens.INSERTER, ::InserterScreen)
+		ScreenRegistry.register(PhyScreens.REDSTONE_EMITTER, ::RedstoneEmitterScreen)
 
 		registerGlobalReceiver(S2CTerminalUpdateDisplayedItems)
 	}

src/main/kotlin/net/shadowfacts/phycon/block/redstone_emitter/RedstoneEmitterBlock.kt

@@ -0,0 +1,88 @@
+package net.shadowfacts.phycon.block.redstone_emitter
+
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory
+import net.minecraft.block.BlockState
+import net.minecraft.block.Material
+import net.minecraft.entity.player.PlayerEntity
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.network.PacketByteBuf
+import net.minecraft.screen.ScreenHandler
+import net.minecraft.server.network.ServerPlayerEntity
+import net.minecraft.sound.BlockSoundGroup
+import net.minecraft.text.Text
+import net.minecraft.util.ActionResult
+import net.minecraft.util.Hand
+import net.minecraft.util.Identifier
+import net.minecraft.util.hit.BlockHitResult
+import net.minecraft.util.math.BlockPos
+import net.minecraft.util.math.Direction
+import net.minecraft.world.BlockView
+import net.minecraft.world.World
+import net.shadowfacts.phycon.PhysicalConnectivity
+import net.shadowfacts.phycon.block.FaceDeviceBlock
+
+/**
+ * @author shadowfacts
+ */
+class RedstoneEmitterBlock: FaceDeviceBlock<RedstoneEmitterBlockEntity>(
+	Settings.of(Material.METAL)
+		.strength(1.5f)
+		.sounds(BlockSoundGroup.METAL)
+) {
+
+	companion object {
+		val ID = Identifier(PhysicalConnectivity.MODID, "redstone_emitter")
+	}
+
+	// todo: don't just copy the redstone controller
+	override val faceThickness = 3.0
+	override val faceShapes = mapOf(
+		Direction.DOWN to createCuboidShape(0.0, 0.0, 0.0, 16.0, 3.0, 16.0),
+		Direction.UP to createCuboidShape(0.0, 13.0, 0.0, 16.0, 16.0, 16.0),
+		Direction.NORTH to createCuboidShape(0.0, 0.0, 0.0, 16.0, 16.0, 3.0),
+		Direction.SOUTH to createCuboidShape(0.0, 0.0, 13.0, 16.0, 16.0, 16.0),
+		Direction.WEST to createCuboidShape(0.0, 0.0, 0.0, 3.0, 16.0, 16.0),
+		Direction.EAST to createCuboidShape(13.0, 0.0, 0.0, 16.0, 16.0, 16.0)
+	)
+
+	override fun createBlockEntity(world: BlockView) = RedstoneEmitterBlockEntity()
+
+	override fun emitsRedstonePower(state: BlockState): Boolean {
+		return true
+	}
+
+	override fun getStrongRedstonePower(state: BlockState, world: BlockView, pos: BlockPos, receivingSide: Direction): Int {
+		return if (receivingSide.opposite == state[FACING]) {
+			getBlockEntity(world, pos)!!.cachedEmittedPower
+		} else {
+			0
+		}
+	}
+
+	override fun getWeakRedstonePower(state: BlockState, world: BlockView, pos: BlockPos, receivingSide: Direction): Int {
+		return getStrongRedstonePower(state, world, pos, receivingSide)
+	}
+
+	override fun onUse(state: BlockState, world: World, pos: BlockPos, player: PlayerEntity, hand: Hand, result: BlockHitResult): ActionResult {
+		if (!world.isClient) {
+			val be = getBlockEntity(world, pos)!!
+
+			be.sync()
+
+			val factory = object: ExtendedScreenHandlerFactory {
+				override fun createMenu(syncId: Int, playerInv: PlayerInventory, player: PlayerEntity): ScreenHandler {
+					return RedstoneEmitterScreenHandler(syncId, playerInv, be)
+				}
+
+				override fun getDisplayName() = this@RedstoneEmitterBlock.name
+
+				override fun writeScreenOpeningData(player: ServerPlayerEntity, buf: PacketByteBuf) {
+					buf.writeBlockPos(be.pos)
+				}
+			}
+			player.openHandledScreen(factory)
+		}
+		return ActionResult.SUCCESS
+	}
+
+}

src/main/kotlin/net/shadowfacts/phycon/block/redstone_emitter/RedstoneEmitterBlockEntity.kt

@@ -0,0 +1,97 @@
+package net.shadowfacts.phycon.block.redstone_emitter
+
+import alexiil.mc.lib.attributes.item.GroupedItemInvView
+import net.minecraft.item.ItemStack
+import net.minecraft.nbt.CompoundTag
+import net.shadowfacts.phycon.api.packet.Packet
+import net.shadowfacts.phycon.api.util.IPAddress
+import net.shadowfacts.phycon.block.DeviceBlockEntity
+import net.shadowfacts.phycon.block.FaceDeviceBlock
+import net.shadowfacts.phycon.init.PhyBlockEntities
+import net.shadowfacts.phycon.packet.DeviceRemovedPacket
+import net.shadowfacts.phycon.packet.ReadInventoryPacket
+import net.shadowfacts.phycon.packet.RequestInventoryPacket
+import kotlin.math.round
+
+/**
+ * @author shadowfacts
+ */
+class RedstoneEmitterBlockEntity: DeviceBlockEntity(PhyBlockEntities.REDSTONE_EMITTER) {
+
+	private val inventoryCache = mutableMapOf<IPAddress, GroupedItemInvView>()
+	var cachedEmittedPower: Int = 0
+		private set
+
+	var stackToMonitor: ItemStack = ItemStack.EMPTY
+	var maxAmount = 64
+
+	override fun handle(packet: Packet) {
+		when (packet) {
+			is ReadInventoryPacket -> handleReadInventory(packet)
+			is DeviceRemovedPacket -> handleDeviceRemoved(packet)
+		}
+	}
+
+	private fun handleReadInventory(packet: ReadInventoryPacket) {
+		inventoryCache[packet.source] = packet.inventory
+		recalculateRedstone()
+	}
+
+	private fun handleDeviceRemoved(packet: DeviceRemovedPacket) {
+		inventoryCache.remove(packet.source)
+		recalculateRedstone()
+	}
+
+	override fun tick() {
+		super.tick()
+
+		if (!world!!.isClient && counter % 20 == 0L) {
+			if (counter % 80 == 0L) {
+				updateInventories()
+			} else if (counter % 20 == 0L) {
+				recalculateRedstone()
+			}
+		}
+	}
+
+	private fun updateInventories() {
+		sendPacket(RequestInventoryPacket(ipAddress))
+	}
+
+	private fun recalculateRedstone() {
+		if (stackToMonitor.isEmpty) {
+			cachedEmittedPower = 0
+			updateWorld()
+			return
+		}
+		val networkAmount = inventoryCache.values.fold(0) { acc, inv ->
+			acc + inv.getAmount(stackToMonitor)
+		}
+		cachedEmittedPower =
+			if (networkAmount == 0) {
+				0
+			} else {
+				1 + round(networkAmount / maxAmount.toDouble() * 14).toInt()
+			}
+		updateWorld()
+	}
+
+	private fun updateWorld() {
+		world!!.updateNeighborsAlways(pos, cachedState.block)
+		world!!.updateNeighborsAlways(pos.offset(cachedState[FaceDeviceBlock.FACING]), cachedState.block)
+	}
+
+	override fun toCommonTag(tag: CompoundTag) {
+		super.toCommonTag(tag)
+		tag.putInt("CachedEmittedPower", cachedEmittedPower)
+		tag.put("StackToMonitor", stackToMonitor.toTag(CompoundTag()))
+		tag.putInt("MaxAmount", maxAmount)
+	}
+
+	override fun fromCommonTag(tag: CompoundTag) {
+		super.fromCommonTag(tag)
+		cachedEmittedPower = tag.getInt("CachedEmittedPower")
+		stackToMonitor = ItemStack.fromTag(tag.getCompound("StackToMonitor"))
+		maxAmount = tag.getInt("MaxAmount")
+	}
+}

src/main/kotlin/net/shadowfacts/phycon/block/redstone_emitter/RedstoneEmitterScreen.kt

@@ -0,0 +1,155 @@
+package net.shadowfacts.phycon.block.redstone_emitter
+
+import com.mojang.blaze3d.systems.RenderSystem
+import net.minecraft.client.MinecraftClient
+import net.minecraft.client.util.math.MatrixStack
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.text.Text
+import net.minecraft.text.TranslatableText
+import net.minecraft.util.Identifier
+import net.shadowfacts.cacao.CacaoHandledScreen
+import net.shadowfacts.cacao.geometry.Axis
+import net.shadowfacts.cacao.util.Color
+import net.shadowfacts.cacao.view.Label
+import net.shadowfacts.cacao.view.StackView
+import net.shadowfacts.cacao.view.View
+import net.shadowfacts.cacao.view.textfield.NumberField
+import net.shadowfacts.cacao.window.ScreenHandlerWindow
+import net.shadowfacts.kiwidsl.dsl
+import net.shadowfacts.phycon.PhysicalConnectivity
+import net.shadowfacts.phycon.init.PhyBlocks
+import net.shadowfacts.phycon.networking.C2SConfigureRedstoneEmitterAmount
+import no.birkett.kiwi.Variable
+import kotlin.math.ceil
+
+/**
+ * @author shadowfacts
+ */
+class RedstoneEmitterScreen(
+	handler: RedstoneEmitterScreenHandler,
+	playerInv: PlayerInventory,
+	title: Text
+): CacaoHandledScreen<RedstoneEmitterScreenHandler>(
+	handler,
+	playerInv,
+	title
+) {
+
+	companion object {
+		val BACKGROUND = Identifier(PhysicalConnectivity.MODID, "textures/gui/redstone_emitter.png")
+	}
+
+	init {
+		backgroundWidth = 176
+		backgroundHeight = 166
+
+		addWindow(ScreenHandlerWindow(handler, ViewController(handler.emitter)))
+	}
+
+	override fun drawBackground(matrixStack: MatrixStack, delta: Float, mouseX: Int, mouseY: Int) {
+		super.drawBackground(matrixStack, delta, mouseX, mouseY)
+
+		RenderSystem.color4f(1f, 1f, 1f, 1f)
+		client!!.textureManager.bindTexture(BACKGROUND)
+		val x = (width - backgroundWidth) / 2
+		val y = (height - backgroundHeight) / 2
+		drawTexture(matrixStack, x, y, 0, 0, backgroundWidth, backgroundHeight)
+	}
+
+	class ViewController(
+		private val emitter: RedstoneEmitterBlockEntity,
+	): net.shadowfacts.cacao.viewcontroller.ViewController() {
+
+		lateinit var halfLabel: Label
+		lateinit var fullLabel: Label
+
+		override fun viewDidLoad() {
+			super.viewDidLoad()
+
+			val title = Label(PhyBlocks.REDSTONE_EMITTER.name)
+			title.textColor = Color.TEXT
+			view.addSubview(title)
+
+			val inv = Label(MinecraftClient.getInstance().player!!.inventory.displayName)
+			inv.textColor = Color.TEXT
+			view.addSubview(inv)
+
+			val field = NumberField(emitter.maxAmount) {
+				if (it.number != null) {
+					emitter.maxAmount = it.number!!
+					MinecraftClient.getInstance().player!!.networkHandler.sendPacket(C2SConfigureRedstoneEmitterAmount(emitter))
+				}
+				updateLabelTexts()
+			}
+			field.validator = { it >= 0 }
+			field.drawBackground = false
+			view.addSubview(field)
+
+			val hStack = StackView(Axis.HORIZONTAL, StackView.Distribution.FILL, spacing = 2.0)
+			view.addSubview(hStack)
+
+			val zeroStack = hStack.addArrangedSubview(StackView(Axis.VERTICAL))
+			zeroStack.addArrangedSubview(Label(TranslatableText("gui.phycon.emitter.count", 0), textAlignment = Label.TextAlignment.CENTER)).apply {
+				textColor = Color.TEXT
+			}
+			zeroStack.addArrangedSubview(View())
+			zeroStack.addArrangedSubview(Label("0", textAlignment = Label.TextAlignment.CENTER)).apply {
+				textColor = Color.RED
+			}
+
+			val halfStack = hStack.addArrangedSubview(StackView(Axis.VERTICAL))
+			halfLabel = halfStack.addArrangedSubview(Label("half", textAlignment = Label.TextAlignment.CENTER)).apply {
+				textColor = Color.TEXT
+			}
+			halfStack.addArrangedSubview(View())
+			halfStack.addArrangedSubview(Label("8", textAlignment = Label.TextAlignment.CENTER)).apply {
+				textColor = Color.RED
+			}
+
+			val fullStack = hStack.addArrangedSubview(StackView(Axis.VERTICAL))
+			fullLabel = fullStack.addArrangedSubview(Label("full", textAlignment = Label.TextAlignment.CENTER)).apply {
+				textColor = Color.TEXT
+			}
+			fullStack.addArrangedSubview(View())
+			fullStack.addArrangedSubview(Label("15", textAlignment = Label.TextAlignment.CENTER)).apply {
+				textColor = Color.RED
+			}
+
+			updateLabelTexts()
+
+			view.solver.dsl {
+				val minX = Variable("minX")
+				val minY = Variable("minY")
+				minX equalTo ((view.widthAnchor - 176) / 2)
+				minY equalTo ((view.heightAnchor - 166) / 2)
+
+				title.leftAnchor equalTo (minX + 8)
+				title.topAnchor equalTo (minY + 6)
+
+				inv.leftAnchor equalTo (minX + 8)
+				inv.topAnchor equalTo (minY + 72)
+
+				// offset by 1 on each edge to account for MC border
+				field.widthAnchor equalTo 82
+				field.heightAnchor equalTo 11
+				field.leftAnchor equalTo (minX + 56)
+				field.topAnchor equalTo (minY + 23)
+
+				hStack.centerXAnchor equalTo view.centerXAnchor
+				hStack.widthAnchor equalTo (176 - 4)
+				hStack.topAnchor equalTo (field.bottomAnchor + 8)
+				hStack.bottomAnchor equalTo inv.topAnchor
+
+				zeroStack.widthAnchor equalTo halfStack.widthAnchor
+				halfStack.widthAnchor equalTo fullStack.widthAnchor
+			}
+		}
+
+		private fun updateLabelTexts() {
+			halfLabel.text = TranslatableText("gui.phycon.emitter.count", ceil(emitter.maxAmount / 2.0).toInt())
+			fullLabel.text = TranslatableText("gui.phycon.emitter.count", emitter.maxAmount)
+			window!!.layout()
+		}
+	}
+
+}

src/main/kotlin/net/shadowfacts/phycon/block/redstone_emitter/RedstoneEmitterScreenHandler.kt

@@ -0,0 +1,76 @@
+package net.shadowfacts.phycon.block.redstone_emitter
+
+import net.minecraft.entity.player.PlayerEntity
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.item.ItemStack
+import net.minecraft.network.PacketByteBuf
+import net.minecraft.screen.ScreenHandler
+import net.minecraft.screen.slot.Slot
+import net.minecraft.screen.slot.SlotActionType
+import net.minecraft.util.Identifier
+import net.shadowfacts.phycon.PhysicalConnectivity
+import net.shadowfacts.phycon.init.PhyBlocks
+import net.shadowfacts.phycon.init.PhyScreens
+import net.shadowfacts.phycon.util.GhostSlot
+import net.shadowfacts.phycon.util.copyWithCount
+
+/**
+ * @author shadowfacts
+ */
+class RedstoneEmitterScreenHandler(
+	syncId: Int,
+	playerInv: PlayerInventory,
+	val emitter: RedstoneEmitterBlockEntity,
+): ScreenHandler(PhyScreens.REDSTONE_EMITTER, syncId) {
+
+	companion object {
+		val ID = Identifier(PhysicalConnectivity.MODID, "redstone_emitter")
+	}
+
+	constructor(syncId: Int, playerInv: PlayerInventory, buf: PacketByteBuf):
+			this(
+				syncId,
+				playerInv,
+				PhyBlocks.REDSTONE_EMITTER.getBlockEntity(playerInv.player.world, buf.readBlockPos())!!
+			)
+
+	init {
+		// fake slot
+		addSlot(GhostSlot(emitter::stackToMonitor, 31, 20))
+
+		// player inv
+		for (y in 0 until 3) {
+			for (x in 0 until 9) {
+				addSlot(Slot(playerInv, x + y * 9 + 9, 8 + x * 18, 84 + y * 18))
+			}
+		}
+
+		// hotbar
+		for (x in 0 until 9) {
+			addSlot(Slot(playerInv, x, 8 + x * 18, 142))
+		}
+	}
+
+	override fun canUse(player: PlayerEntity): Boolean {
+		return true
+	}
+
+	override fun onSlotClick(slotId: Int, clickData: Int, slotActionType: SlotActionType, player: PlayerEntity): ItemStack {
+		// fake slot
+		if (slotId == 0) {
+			if (player.inventory.cursorStack.isEmpty) {
+				emitter.stackToMonitor = ItemStack.EMPTY
+			} else {
+				emitter.stackToMonitor = player.inventory.cursorStack.copyWithCount(1)
+			}
+		}
+		return super.onSlotClick(slotId, clickData, slotActionType, player)
+	}
+
+	override fun transferSlot(player: PlayerEntity, slotId: Int): ItemStack {
+		val slot = slots[slotId]
+		emitter.stackToMonitor = slot.stack.copyWithCount(1)
+		return ItemStack.EMPTY
+	}
+
+}

src/main/kotlin/net/shadowfacts/phycon/init/PhyBlockEntities.kt

@@ -17,6 +17,8 @@ import net.shadowfacts.phycon.block.netswitch.SwitchBlock
 import net.shadowfacts.phycon.block.netswitch.SwitchBlockEntity
 import net.shadowfacts.phycon.block.redstone_controller.RedstoneControllerBlock
 import net.shadowfacts.phycon.block.redstone_controller.RedstoneControllerBlockEntity
+import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterBlock
+import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterBlockEntity
 import net.shadowfacts.phycon.block.terminal.TerminalBlock
 import net.shadowfacts.phycon.block.terminal.TerminalBlockEntity
 
@@ -32,6 +34,7 @@ object PhyBlockEntities {
 	val INSERTER = create(::InserterBlockEntity, PhyBlocks.INSERTER)
 	val MINER = create(::MinerBlockEntity, PhyBlocks.MINER)
 	val REDSTONE_CONTROLLER = create(::RedstoneControllerBlockEntity, PhyBlocks.REDSTONE_CONTROLLER)
+	val REDSTONE_EMITTER = create(::RedstoneEmitterBlockEntity, PhyBlocks.REDSTONE_EMITTER)
 
 	private fun <T: BlockEntity> create(builder: () -> T, block: Block): BlockEntityType<T> {
 		return BlockEntityType.Builder.create(builder, block).build(null)
@@ -45,6 +48,7 @@ object PhyBlockEntities {
 		register(InserterBlock.ID, INSERTER)
 		register(MinerBlock.ID, MINER)
 		register(RedstoneControllerBlock.ID, REDSTONE_CONTROLLER)
+		register(RedstoneEmitterBlock.ID, REDSTONE_EMITTER)
 	}
 
 	private fun register(id: Identifier, type: BlockEntityType<*>) {

src/main/kotlin/net/shadowfacts/phycon/init/PhyBlocks.kt

@@ -10,6 +10,7 @@ import net.shadowfacts.phycon.block.miner.MinerBlock
 import net.shadowfacts.phycon.block.netinterface.InterfaceBlock
 import net.shadowfacts.phycon.block.netswitch.SwitchBlock
 import net.shadowfacts.phycon.block.redstone_controller.RedstoneControllerBlock
+import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterBlock
 import net.shadowfacts.phycon.block.terminal.TerminalBlock
 
 /**
@@ -25,6 +26,7 @@ object PhyBlocks {
 	val INSERTER = InserterBlock()
 	val MINER = MinerBlock()
 	val REDSTONE_CONTROLLER = RedstoneControllerBlock()
+	val REDSTONE_EMITTER = RedstoneEmitterBlock()
 
 	fun init() {
 		register(InterfaceBlock.ID, INTERFACE)
@@ -35,6 +37,7 @@ object PhyBlocks {
 		register(InserterBlock.ID, INSERTER)
 		register(MinerBlock.ID, MINER)
 		register(RedstoneControllerBlock.ID, REDSTONE_CONTROLLER)
+		register(RedstoneEmitterBlock.ID, REDSTONE_EMITTER)
 	}
 
 	private fun register(id: Identifier, block: Block) {

src/main/kotlin/net/shadowfacts/phycon/init/PhyItems.kt

@@ -13,6 +13,7 @@ import net.shadowfacts.phycon.block.miner.MinerBlock
 import net.shadowfacts.phycon.block.netinterface.InterfaceBlock
 import net.shadowfacts.phycon.block.netswitch.SwitchBlock
 import net.shadowfacts.phycon.block.redstone_controller.RedstoneControllerBlock
+import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterBlock
 import net.shadowfacts.phycon.block.terminal.TerminalBlock
 
 /**
@@ -28,6 +29,7 @@ object PhyItems {
 	val INSERTER = BlockItem(PhyBlocks.INSERTER, Item.Settings())
 	val MINER = BlockItem(PhyBlocks.MINER, Item.Settings())
 	val REDSTONE_CONTROLLER = BlockItem(PhyBlocks.REDSTONE_CONTROLLER, Item.Settings())
+	val REDSTONE_EMITTER = BlockItem(PhyBlocks.REDSTONE_EMITTER, Item.Settings())
 
 	val SCREWDRIVER = ScrewdriverItem()
 	val CONSOLE = ConsoleItem()
@@ -41,6 +43,7 @@ object PhyItems {
 		register(InserterBlock.ID, INSERTER)
 		register(MinerBlock.ID, MINER)
 		register(RedstoneControllerBlock.ID, REDSTONE_CONTROLLER)
+		register(RedstoneEmitterBlock.ID, REDSTONE_EMITTER)
 
 		register(ScrewdriverItem.ID, SCREWDRIVER)
 		register(ConsoleItem.ID, CONSOLE)

src/main/kotlin/net/shadowfacts/phycon/init/PhyScreens.kt

@@ -3,6 +3,7 @@ package net.shadowfacts.phycon.init
 import net.fabricmc.fabric.api.screenhandler.v1.ScreenHandlerRegistry
 import net.minecraft.screen.ScreenHandlerType
 import net.shadowfacts.phycon.block.inserter.InserterScreenHandler
+import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterScreenHandler
 import net.shadowfacts.phycon.block.terminal.TerminalScreenHandler
 
 object PhyScreens {
@@ -11,10 +12,13 @@ object PhyScreens {
 		private set
 	lateinit var INSERTER: ScreenHandlerType<InserterScreenHandler>
 		private set
+	lateinit var REDSTONE_EMITTER: ScreenHandlerType<RedstoneEmitterScreenHandler>
+		private set
 
 	fun init() {
 		TERMINAL = ScreenHandlerRegistry.registerExtended(TerminalScreenHandler.ID, ::TerminalScreenHandler)
 		INSERTER = ScreenHandlerRegistry.registerExtended(InserterScreenHandler.ID, ::InserterScreenHandler)
+		REDSTONE_EMITTER = ScreenHandlerRegistry.registerExtended(RedstoneEmitterScreenHandler.ID, ::RedstoneEmitterScreenHandler)
 	}
 
 }

src/main/kotlin/net/shadowfacts/phycon/networking/C2SConfigureRedstoneEmitterAmount.kt

@@ -0,0 +1,46 @@
+package net.shadowfacts.phycon.networking
+
+import net.fabricmc.fabric.api.networking.v1.PacketByteBufs
+import net.fabricmc.fabric.api.networking.v1.PacketSender
+import net.minecraft.network.Packet
+import net.minecraft.network.PacketByteBuf
+import net.minecraft.server.MinecraftServer
+import net.minecraft.server.network.ServerPlayNetworkHandler
+import net.minecraft.server.network.ServerPlayerEntity
+import net.minecraft.util.Identifier
+import net.minecraft.util.registry.Registry
+import net.minecraft.util.registry.RegistryKey
+import net.shadowfacts.phycon.PhysicalConnectivity
+import net.shadowfacts.phycon.block.inserter.InserterBlockEntity
+import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterBlockEntity
+
+/**
+ * @author shadowfacts
+ */
+object C2SConfigureRedstoneEmitterAmount: ServerReceiver {
+	override val CHANNEL = Identifier(PhysicalConnectivity.MODID, "configure_redstone_emitter_amount")
+
+	operator fun invoke(be: RedstoneEmitterBlockEntity): Packet<*> {
+		val buf = PacketByteBufs.create()
+
+		buf.writeIdentifier(be.world!!.registryKey.value)
+		buf.writeBlockPos(be.pos)
+		buf.writeVarInt(be.maxAmount)
+
+		return createPacket(buf)
+	}
+
+	override fun receive(server: MinecraftServer, player: ServerPlayerEntity, handler: ServerPlayNetworkHandler, buf: PacketByteBuf, responseSender: PacketSender) {
+		val dimID = buf.readIdentifier()
+		val pos = buf.readBlockPos()
+		val amount = buf.readVarInt()
+
+		server.execute {
+			val key = RegistryKey.of(Registry.DIMENSION, dimID)
+			val world = server.getWorld(key) ?: return@execute
+			val be = world.getBlockEntity(pos) as? RedstoneEmitterBlockEntity ?: return@execute
+			be.maxAmount = amount
+			be.markDirty()
+		}
+	}
+}

src/main/resources/assets/phycon/blockstates/redstone_emitter.json

@@ -0,0 +1,159 @@
+{
+	"multipart": [
+		{
+			"apply": { "model": "phycon:block/cable_center" }
+		},
+		{
+			"when": { "facing": "down" },
+			"apply": { "model": "phycon:block/redstone_emitter_side" }
+		},
+		{
+			"when": { "facing": "up" },
+			"apply": { "model": "phycon:block/redstone_emitter_side", "x": 180 }
+		},
+		{
+			"when": { "facing": "north" },
+			"apply": { "model": "phycon:block/redstone_emitter_side", "x": 270 }
+		},
+		{
+			"when": { "facing": "south" },
+			"apply": { "model": "phycon:block/redstone_emitter_side", "x": 90 }
+		},
+		{
+			"when": { "facing": "west" },
+			"apply": { "model": "phycon:block/redstone_emitter_side", "x": 90, "y": 90 }
+		},
+		{
+			"when": { "facing": "east" },
+			"apply": { "model": "phycon:block/redstone_emitter_side", "x": 90, "y": 270 }
+		},
+
+		{
+			"when": { "cable_connection": "up", "facing": "down" },
+			"apply": { "model": "phycon:block/interface_cable_straight" }
+		},
+		{
+			"when": { "cable_connection": "down", "facing": "up" },
+			"apply": { "model": "phycon:block/interface_cable_straight", "x": 180 }
+		},
+		{
+			"when": { "cable_connection": "north", "facing": "south" },
+			"apply": { "model": "phycon:block/interface_cable_straight", "x": 90 }
+		},
+		{
+			"when": { "cable_connection": "south", "facing": "north" },
+			"apply": { "model": "phycon:block/interface_cable_straight", "x": 270 }
+		},
+		{
+			"when": { "cable_connection": "west", "facing": "east" },
+			"apply": { "model": "phycon:block/interface_cable_straight", "x": 90, "y": 270 }
+		},
+		{
+			"when": { "cable_connection": "east", "facing": "west" },
+			"apply": { "model": "phycon:block/interface_cable_straight", "x": 90, "y": 90 }
+		},
+
+		{
+			"when": {"cable_connection": "north", "facing": "down"},
+			"apply": { "model": "phycon:block/interface_cable_corner" }
+		},
+		{
+			"when": {"cable_connection": "east", "facing": "down"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "y": 90 }
+		},
+		{
+			"when": {"cable_connection": "south", "facing": "down"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "y": 180 }
+		},
+		{
+			"when": {"cable_connection": "west", "facing": "down"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "y": 270 }
+		},
+
+		{
+			"when": {"cable_connection": "north", "facing": "up"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 180, "y": 180 }
+		},
+		{
+			"when": {"cable_connection": "east", "facing": "up"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 180, "y": 270 }
+		},
+		{
+			"when": {"cable_connection": "south", "facing": "up"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 180 }
+		},
+		{
+			"when": {"cable_connection": "west", "facing": "up"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 180, "y": 90 }
+		},
+
+		{
+			"when": {"cable_connection": "down", "facing": "north"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 90, "y": 180 }
+		},
+		{
+			"when": {"cable_connection": "up", "facing": "north"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 270 }
+		},
+		{
+			"when": {"cable_connection": "west", "facing": "north"},
+			"apply": { "model": "phycon:block/interface_cable_corner_2" }
+		},
+		{
+			"when": {"cable_connection": "east", "facing": "north"},
+			"apply": { "model": "phycon:block/interface_cable_corner_2", "x": 180, "y": 180 }
+		},
+
+		{
+			"when": {"cable_connection": "down", "facing": "south"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 90 }
+		},
+		{
+			"when": {"cable_connection": "up", "facing": "south"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 270, "y": 180 }
+		},
+		{
+			"when": {"cable_connection": "west", "facing": "south"},
+			"apply": { "model": "phycon:block/interface_cable_corner_3" }
+		},
+		{
+			"when": {"cable_connection": "east", "facing": "south"},
+			"apply": { "model": "phycon:block/interface_cable_corner_3", "x": 180, "y": 180 }
+		},
+
+		{
+
+			"when": {"cable_connection": "down", "facing": "west"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 90, "y": 90 }
+		},
+		{
+			"when": {"cable_connection": "up", "facing": "west"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 270, "y": 270 }
+		},
+		{
+			"when": {"cable_connection": "north", "facing": "west"},
+			"apply": { "model": "phycon:block/interface_cable_corner_3", "y": 90 }
+		},
+		{
+			"when": {"cable_connection": "south", "facing": "west"},
+			"apply": { "model": "phycon:block/interface_cable_corner_3", "x": 180, "y": 270 }
+		},
+
+		{
+			"when": {"cable_connection": "down", "facing": "east"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 90, "y": 270 }
+		},
+		{
+			"when": {"cable_connection": "up", "facing": "east"},
+			"apply": { "model": "phycon:block/interface_cable_corner", "x": 270, "y": 90 }
+		},
+		{
+			"when": {"cable_connection": "north", "facing": "east"},
+			"apply": { "model": "phycon:block/interface_cable_corner_2", "y": 90 }
+		},
+		{
+			"when": {"cable_connection": "south", "facing": "east"},
+			"apply": { "model": "phycon:block/interface_cable_corner_2", "x": 180, "y": 270 }
+		}
+	]
+}

src/main/resources/assets/phycon/lang/en_us.json

@@ -7,6 +7,7 @@
   "block.phycon.inserter": "Inventory Inserter",
   "block.phycon.miner": "Block Miner",
   "block.phycon.redstone_controller": "Redstone Controller",
+  "block.phycon.redstone_emitter": "Redstone Emitter",
 
   "item.phycon.screwdriver": "Screwdriver",
   "item.phycon.console": "Console",
@@ -25,5 +26,6 @@
   "gui.phycon.redstone_mode.rising_edge": "Rising Edge",
   "gui.phycon.redstone_mode.falling_edge": "Falling Edge",
   "gui.phycon.activation_mode.automatic": "Automatic",
-  "gui.phycon.activation_mode.managed": "Managed"
+  "gui.phycon.activation_mode.managed": "Managed",
+  "gui.phycon.emitter.count": "%d Item(s)"
 }

src/main/resources/assets/phycon/models/block/redstone_emitter_side.json

@@ -0,0 +1,33 @@
+{
+	"parent": "block/block",
+	"textures": {
+		"cable": "phycon:block/cable_straight",
+		"front": "phycon:block/redstone_emitter_front",
+		"back": "phycon:block/redstone_emitter_back",
+		"side": "phycon:block/redstone_emitter_back"
+	},
+	"elements": [
+		{
+			"from": [0, 0, 0],
+			"to": [16, 3, 16],
+			"faces": {
+				"down": { "texture": "#front" },
+				"up": { "texture": "#back" },
+				"north": { "texture": "#side" },
+				"south": { "texture": "#side" },
+				"west": { "texture": "#side" },
+				"east": { "texture": "#side" }
+			}
+		},
+		{
+			"from": [6, 3, 6],
+			"to": [10, 6, 10],
+			"faces": {
+				"north": { "texture": "#cable" },
+				"south": { "texture": "#cable" },
+				"west": { "texture": "#cable" },
+				"east": { "texture": "#cable" }
+			}
+		}
+	]
+}

src/main/resources/data/phycon/loot_tables/blocks/redstone_emitter.json

@@ -0,0 +1,19 @@
+{
+  "type": "minecraft:block",
+  "pools": [
+    {
+      "rolls": 1,
+      "entries": [
+        {
+          "type": "minecraft:item",
+          "name": "phycon:redstone_emitter"
+        }
+      ],
+      "conditions": [
+        {
+          "condition": "minecraft:survives_explosion"
+        }
+      ]
+    }
+  ]
+}