experimental relay bullshit

2026-04-28 20:32:11 +03:00
parent 6ef6826483
commit 3b7e2b02b6
23 changed files with 387 additions and 71 deletions
--- a/src/main/kotlin/org/neoflock/neocomputers/block/Blocks.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/block/Blocks.kt
@@ -34,6 +34,7 @@ object Blocks {
    val CASE_BLOCK: RegistrySupplier<Block> = BaseBlock.register("case") { CaseBlock() }
    val REDSTONEIO_BLOCK: RegistrySupplier<Block> = BaseBlock.register("redio") { RedstoneIOBlock() }
    val CABLE_BLOCK: RegistrySupplier<Block> = BaseBlock.register("cable") { CableBlock() }
+    val RELAY_BLOCK: RegistrySupplier<Block> = BaseBlock.register("relay") { RelayBlock() }

    fun registerBlockItems() {
        BLOCKS.forEach(Consumer { sup: RegistrySupplier<Block> ->
--- a/src/main/kotlin/org/neoflock/neocomputers/block/RelayBlock.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/block/RelayBlock.kt
@@ -0,0 +1,170 @@
+package org.neoflock.neocomputers.block
+
+import dev.architectury.registry.menu.MenuRegistry
+import net.minecraft.core.BlockPos
+import net.minecraft.core.HolderLookup
+import net.minecraft.core.NonNullList
+import net.minecraft.nbt.CompoundTag
+import net.minecraft.network.FriendlyByteBuf
+import net.minecraft.network.chat.Component
+import net.minecraft.server.level.ServerLevel
+import net.minecraft.server.level.ServerPlayer
+import net.minecraft.world.ContainerHelper
+import net.minecraft.world.InteractionResult
+import net.minecraft.world.MenuProvider
+import net.minecraft.world.entity.player.Inventory
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.inventory.AbstractContainerMenu
+import net.minecraft.world.item.ItemStack
+import net.minecraft.world.level.Level
+import net.minecraft.world.level.block.SoundType
+import net.minecraft.world.level.block.entity.BlockEntity
+import net.minecraft.world.level.block.state.BlockState
+import net.minecraft.world.phys.BlockHitResult
+import org.neoflock.neocomputers.entity.BlockEntities
+import org.neoflock.neocomputers.entity.ComponentUser
+import org.neoflock.neocomputers.gui.menu.RelayMenu
+import org.neoflock.neocomputers.item.RelayUpgrade
+import org.neoflock.neocomputers.network.ConventionalNetworkDevice
+import org.neoflock.neocomputers.network.DeviceNode
+import org.neoflock.neocomputers.network.Networking
+import org.neoflock.neocomputers.network.NodeSynchronizer
+import org.neoflock.neocomputers.utils.GenericContainer
+
+class RelayEntity(blockPos: BlockPos, blockState: BlockState): SingleDeviceBlockEntity(BlockEntities.RELAY_ENTITY.get(), blockPos, blockState),
+    GenericContainer, ComponentUser, MenuProvider {
+
+    companion object RelaySlots {
+        val CARD = 0
+        val CPU = 1
+        val MEM = 2
+        val STORAGE = 3
+
+        val SLOT_COUNT = 4
+    }
+
+    val slots = NonNullList.withSize(SLOT_COUNT, ItemStack.EMPTY)!!
+
+    override fun getItems(): NonNullList<ItemStack> = slots
+
+    override fun stillValid(player: Player): Boolean = true
+
+    fun getUpgrade(slot: Int) = slots[slot].item as? RelayUpgrade
+
+    fun computeRelayInterval(): Int = getUpgrade(CPU)?.getRelayInterval(slots[CPU]) ?: 5
+    fun computeRelayBufferSize(): Int = getUpgrade(MEM)?.getRelayBufferSize(slots[MEM]) ?: 1
+    fun computeRelayQueueSize(): Int = getUpgrade(STORAGE)?.getRelayQueueSize(slots[STORAGE]) ?: 20
+    fun getRelaySender(): DeviceNode? = getUpgrade(CARD)?.getComponentNode(slots[CARD])
+
+    fun computeRelayCapacity(): Int = computeRelayBufferSize() + computeRelayQueueSize()
+
+    val queue = mutableListOf<Networking.ClassicPacket>()
+    var active = false
+    var ticksUntilQueue = 0
+
+    override val deviceNode = object : DeviceNode() {
+        override var reachability = Networking.Visibility.NONE
+        override fun received(message: Networking.Message) {
+            super.received(message)
+            if(message.sender == this) return
+            if(message is Networking.ClassicPacket && message.hopCount <= 5 && queue.size < computeRelayCapacity()) {
+                queue.addLast(message)
+            }
+        }
+
+        override fun encodeScreenData(player: ServerPlayer, buf: FriendlyByteBuf) {
+            super.encodeScreenData(player, buf)
+            buf.writeVarInt(computeRelayInterval())
+            buf.writeVarInt(computeRelayBufferSize())
+            buf.writeVarInt(computeRelayQueueSize())
+            buf.writeVarInt(queue.size)
+        }
+
+        override fun writeFullStateCommit(buf: FriendlyByteBuf) {
+            super.writeFullStateCommit(buf)
+            buf.writeBoolean(active)
+        }
+
+        override fun processCommit(buf: FriendlyByteBuf) {
+            super.processCommit(buf)
+            active = buf.readBoolean()
+        }
+    }
+
+    fun sendQueuedPacket() {
+        if(queue.isEmpty()) return
+        val pack = queue.removeFirst()
+
+        for(connection in deviceNode.connections) {
+            // skip unwanted loopback
+            if(connection !in pack.sender.getReachable()) continue
+            val hopped = pack.hop(pack.sender)
+
+            if(connection is ConventionalNetworkDevice) {
+                connection.sendClassicPacket(hopped)
+            } else {
+                Networking.emitMessage(connection, hopped)
+            }
+        }
+    }
+
+    override fun tickDevice(level: Level) {
+        super.tickDevice(level)
+        if(level !is ServerLevel) return
+        ticksUntilQueue--
+        if(ticksUntilQueue <= 0) {
+            ticksUntilQueue = computeRelayInterval()
+            val toSend = computeRelayBufferSize()
+            for(i in 0..<toSend) {
+                sendQueuedPacket()
+            }
+        }
+        val cap = computeRelayCapacity()
+        while(queue.size > cap) queue.removeLast()
+        active = queue.isNotEmpty()
+    }
+
+    override fun getMachineBlockPosition() = blockPos!!
+
+    override fun getMachineLevel() = level!!
+
+    override fun getMachineNode() = deviceNode
+
+    override fun getDisplayName() = Component.translatable("block.neocomputers.relay")!!
+
+    override fun createMenu(
+        i: Int,
+        inventory: Inventory,
+        player: Player
+    ) = RelayMenu(i, inventory, this)
+
+    override fun loadAdditional(tag: CompoundTag, registries: HolderLookup.Provider) {
+        super.loadAdditional(tag, registries)
+        ContainerHelper.loadAllItems(tag, slots, registries)
+    }
+
+    override fun saveAdditional(tag: CompoundTag, registries: HolderLookup.Provider) {
+        super.saveAdditional(tag, registries)
+        ContainerHelper.saveAllItems(tag, slots, registries)
+    }
+}
+
+class RelayBlock: DeviceBlock(Properties.of().sound(SoundType.METAL)) {
+    override fun newBlockEntity(pos: BlockPos, state: BlockState) = RelayEntity(pos, state)
+
+    override fun useWithoutItem(
+        state: BlockState,
+        level: Level,
+        pos: BlockPos,
+        player: Player,
+        hitResult: BlockHitResult
+    ): InteractionResult {
+        if(!level.isClientSide) {
+            val ent = level.getBlockEntity(pos, BlockEntities.RELAY_ENTITY.get()).get()
+            // Open menu
+            MenuRegistry.openMenu(player as ServerPlayer, ent)
+            NodeSynchronizer.registerPlayerScreen(player, ent.deviceNode)
+        }
+        return InteractionResult.SUCCESS
+    }
+}
--- a/src/main/kotlin/org/neoflock/neocomputers/entity/BlockEntities.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/entity/BlockEntities.kt
@@ -15,6 +15,7 @@ import org.neoflock.neocomputers.block.CapacitorEntity
 import org.neoflock.neocomputers.block.CapacitorEntityTier1
 import org.neoflock.neocomputers.block.CapacitorEntityTier2
 import org.neoflock.neocomputers.block.CapacitorEntityTier3
+import org.neoflock.neocomputers.block.RelayEntity
 import org.neoflock.neocomputers.network.PowerManager

 // complete fucking bullshit btw
@@ -87,6 +88,12 @@ object BlockEntities {
        )
    }

+    val RELAY_ENTITY: RegistrySupplier<BlockEntityType<RelayEntity>> = BLOCKENTITIES.register("relay") {
+        BlockEntityType(
+            ::RelayEntity, setOf(Blocks.RELAY_BLOCK.get()), BullshitFix()
+        )
+    }
+
    fun registerPowerBlocks() {
        PowerManager.registerPowerDevice(CAPACITOR_ENTITY.get())
        PowerManager.registerPowerDevice(CAPACITOR2_ENTITY.get())
--- a/src/main/kotlin/org/neoflock/neocomputers/entity/CaseBlockEntity.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/entity/CaseBlockEntity.kt
@@ -11,6 +11,7 @@ import net.minecraft.network.FriendlyByteBuf
 import net.minecraft.network.chat.Component
 import net.minecraft.server.level.ServerPlayer
 import net.minecraft.sounds.SoundSource
+import net.minecraft.world.Container
 import net.minecraft.world.ContainerHelper
 import net.minecraft.world.MenuProvider
 import net.minecraft.world.entity.player.Inventory
@@ -289,4 +290,7 @@ class CaseBlockEntity(blockPos: BlockPos, blockState: BlockState): SingleDeviceB
        setRunning(false)
        super.setRemoved()
    }
+
+    override fun canPlaceItem(slot: Int, stack: ItemStack): Boolean = false
+    override fun canTakeItem(target: Container, slot: Int, stack: ItemStack): Boolean = false
 }
--- a/src/main/kotlin/org/neoflock/neocomputers/entity/MachineEntity.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/entity/MachineEntity.kt
@@ -4,9 +4,7 @@ import net.minecraft.core.BlockPos
 import net.minecraft.core.Direction
 import net.minecraft.world.level.Level
 import net.minecraft.world.phys.Vec3
-import org.neoflock.neocomputers.item.ComponentItem
 import org.neoflock.neocomputers.network.DeviceNode
-import org.neoflock.neocomputers.network.Networking
 import java.time.Duration

 abstract class MachineEvent {
@@ -17,12 +15,16 @@ data class MachineRedstoneEvent(override val machine: MachineEntity, val side: D
 data class MachinePowerEvent(override val machine: MachineEntity, val nowRunning: Boolean): MachineEvent()
 data class MachineCrashEvent(override val machine: MachineEntity, val error: String): MachineEvent()

-interface MachineEntity {
+interface ComponentUser {
    // Block position of machine, for wireless tech
    fun getMachineBlockPosition(): BlockPos
    fun getMachinePrecisePosition(): Vec3 = getMachineBlockPosition().center
    fun getMachineLevel(): Level

+    fun getMachineNode(): DeviceNode
+}
+
+interface MachineEntity: ComponentUser {
    // Pattern can have dots (.), dashes (-) and spaces ( ).
    // Each character is duration long, and has a 50ms break.
    // For non-short ones, which are typically reserved only for hardware interactions,
@@ -40,8 +42,6 @@ interface MachineEntity {
    fun crash(error: String): Boolean
    fun getLastError(): String?

-    fun getMachineNode(): DeviceNode
-
    // Some metadata
    fun getMachineMemoryTotal(): Long
    fun getMachineMemoryUsed(): Long
--- a/src/main/kotlin/org/neoflock/neocomputers/entity/SolarGeneratorBlockEntity.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/entity/SolarGeneratorBlockEntity.kt
@@ -11,7 +11,7 @@ import org.neoflock.neocomputers.network.DeviceNode
 import org.neoflock.neocomputers.network.PowerRole

 class SolarGeneratorBlockEntity(blockPos: BlockPos, blockState: BlockState) : SingleDeviceBlockEntity(BlockEntities.SOLARGEN_ENTITY.get(), blockPos, blockState) {
-    val energyPerTick: Long = 50
+    val energyPerTick: Long = 10

    override val deviceNode = object : DeviceNode() {
        override var powerRole: PowerRole = PowerRole.GENERATOR
--- a/src/main/kotlin/org/neoflock/neocomputers/gui/menu/Menus.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/gui/menu/Menus.kt
@@ -12,19 +12,21 @@ import org.neoflock.neocomputers.NeoComputers
 import org.neoflock.neocomputers.gui.menu.ScreenMenu
 import org.neoflock.neocomputers.gui.screen.CaseScreen
 import org.neoflock.neocomputers.gui.screen.CombustionGeneratorScreen
+import org.neoflock.neocomputers.gui.screen.RelayScreen
 import org.neoflock.neocomputers.gui.screen.ScreenScreen

 object Menus {
    val MENUS: DeferredRegister<MenuType<*>> = DeferredRegister.create(NeoComputers.MODID, Registries.MENU)

-//    val SCREEN_MENU: RegistrySupplier<MenuType<ScreenMenu>> = MENUS.register("screen_menu") { MenuType(::ScreenMenu, FeatureFlagSet.of()) }
    val SCREEN_MENU: RegistrySupplier<MenuType<ScreenMenu>> = MENUS.register("screen_menu") { MenuRegistry.ofExtended<ScreenMenu>(::ScreenMenu) }
    val COMBUSTGEN_MENU: RegistrySupplier<MenuType<CombustionGeneratorMenu>> = MENUS.register("combustgen_menu") { MenuType(::CombustionGeneratorMenu, FeatureFlagSet.of() ) }
    val CASE_MENU: RegistrySupplier<MenuType<CaseMenu>> = MENUS.register("case_menu") { MenuType(::CaseMenu, FeatureFlagSet.of() )}
+    val RELAY_MENU: RegistrySupplier<MenuType<RelayMenu>> = MENUS.register("relay_menu") { MenuType(::RelayMenu, FeatureFlagSet.of() )}

    fun registerScreens() {
        MenuScreens.register(Menus.COMBUSTGEN_MENU.get()) { m: CombustionGeneratorMenu, u, comp ->CombustionGeneratorScreen(m,u,comp)}
        MenuScreens.register(Menus.SCREEN_MENU.get(), ::ScreenScreen)
        MenuScreens.register(Menus.CASE_MENU.get(), ::CaseScreen)
+        MenuScreens.register(Menus.RELAY_MENU.get(), ::RelayScreen)
    }
 }
--- a/src/main/kotlin/org/neoflock/neocomputers/gui/menu/RelayMenu.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/gui/menu/RelayMenu.kt
@@ -0,0 +1,89 @@
+package org.neoflock.neocomputers.gui.menu
+
+import com.mojang.blaze3d.systems.RenderSystem
+import net.minecraft.client.gui.GuiGraphics
+import net.minecraft.client.renderer.GameRenderer
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.world.Container
+import net.minecraft.world.SimpleContainer
+import net.minecraft.world.entity.player.Inventory
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.ItemStack
+import org.neoflock.neocomputers.NeoComputers
+import org.neoflock.neocomputers.block.RelayEntity
+import org.neoflock.neocomputers.gui.widget.ComponentRoles
+import org.neoflock.neocomputers.gui.widget.DynamicSlot
+import org.neoflock.neocomputers.item.ComponentItem
+import org.neoflock.neocomputers.item.RelayUpgrade
+import org.neoflock.neocomputers.utils.GenericContainerMenu
+
+class RelaySlot(container: Container, slot: Int, x: Int, y: Int, val role: String, val relay: RelayEntity?) : DynamicSlot(container, slot, x, y) {
+    override fun mayPlace(stack: ItemStack): Boolean {
+        if(stack.isEmpty) return true
+        val upgrade = stack.item as? RelayUpgrade ?: return false
+        if(containerSlot == RelayEntity.CARD) {
+            return upgrade.isRelayCompatibleCard(stack)
+        }
+        if(containerSlot == RelayEntity.CPU) {
+            return upgrade.getRelayInterval(stack) != null
+        }
+        if(containerSlot == RelayEntity.MEM) {
+            return upgrade.getRelayBufferSize(stack) != null
+        }
+        if(containerSlot == RelayEntity.STORAGE) {
+            return upgrade.getRelayQueueSize(stack) != null
+        }
+        return false
+    }
+
+    override fun set(stack: ItemStack) {
+        super.set(stack)
+        val item = stack.item
+        if(item is ComponentItem) {
+            item.whenComponentPlaced(stack, relay, role)
+        }
+    }
+
+    override fun onTake(player: Player, stack: ItemStack) {
+        super.onTake(player, stack)
+        val item = stack.item
+        if(item is ComponentItem) {
+           item.whenComponentTaken(stack, relay, role)
+        }
+    }
+
+    override fun getMaxStackSize() = 1
+    override fun getMaxStackSize(stack: ItemStack) = 1
+
+    override fun draw(graphics: GuiGraphics, relX: Int, relY: Int, mouseX: Int, mouseY: Int) {
+        super.draw(graphics, relX, relY, mouseX, mouseY)
+        if(!hasItem()) {
+            RenderSystem.enableBlend()
+            RenderSystem.setShaderTexture(0, ComponentRoles.getTextureFor(role))
+            RenderSystem.setShader { GameRenderer.getPositionTexShader() }
+            drawQuad(relX + x - 1, relY + y - 1, 18, 18, 0F, 0F, 15F, 15F)
+            RenderSystem.disableBlend()
+        }
+    }
+}
+
+class RelayMenu : GenericContainerMenu {
+    constructor(i: Int, inv: Inventory) : this(i, inv, SimpleContainer(RelayEntity.SLOT_COUNT))
+
+    constructor(i: Int, inv: Inventory, container: Container) : super(Menus.RELAY_MENU.get(), i, container) {
+        val relay = container as? RelayEntity
+
+        val relayMenuWidth = 176
+        val itemX = 152
+        val itemRowDist = 16
+        val itemSpacing = 20
+
+        this.addSlot(RelaySlot(container, RelayEntity.CARD, relayMenuWidth+4, itemRowDist, ComponentRoles.NETWORK, relay))
+
+        this.addSlot(RelaySlot(container, RelayEntity.CPU, itemX, itemRowDist, ComponentRoles.COMPUTE, relay))
+        this.addSlot(RelaySlot(container, RelayEntity.MEM, itemX, itemRowDist+itemSpacing, ComponentRoles.MEMORY, relay))
+        this.addSlot(RelaySlot(container, RelayEntity.STORAGE, itemX, itemRowDist+itemSpacing*2, ComponentRoles.STORAGE, relay))
+
+        this.addInventorySlots(inv, 8, 84)
+    }
+}
--- a/src/main/kotlin/org/neoflock/neocomputers/gui/screen/RelayScreen.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/gui/screen/RelayScreen.kt
@@ -0,0 +1,51 @@
+package org.neoflock.neocomputers.gui.screen
+
+import net.minecraft.ChatFormatting
+import net.minecraft.client.gui.GuiGraphics
+import net.minecraft.network.FriendlyByteBuf
+import net.minecraft.network.chat.Component
+import net.minecraft.network.chat.Style
+import net.minecraft.world.entity.player.Inventory
+import net.minecraft.world.item.DyeColor
+import org.neoflock.neocomputers.gui.menu.RelayMenu
+import org.neoflock.neocomputers.utils.GenericContainerScreen
+import kotlin.math.max
+import kotlin.math.min
+
+class RelayScreen(abstractContainerMenu: RelayMenu, inventory: Inventory, component: Component): GenericContainerScreen<RelayMenu>(abstractContainerMenu, inventory, component) {
+    var interval: Int = 5
+    var bufferSize: Int = 1
+    var queueSize: Int = 20
+    var inQueue: Int = 0
+
+    override fun shouldCenterTitle(): Boolean = false
+
+    override fun processScreenStatePacket(buf: FriendlyByteBuf) {
+        super.processScreenStatePacket(buf)
+        interval = buf.readVarInt()
+        bufferSize = buf.readVarInt()
+        queueSize = buf.readVarInt()
+        inQueue = buf.readVarInt()
+    }
+
+    override fun render(graphics: GuiGraphics, mouseX: Int, mouseY: Int, something: Float) {
+        super.render(graphics, mouseX, mouseY, something)
+        val textX = imageX + 12
+        val dataX = imageX + 100
+        val textSpacing = 20
+        val textY = imageY + 20
+        val clr = ChatFormatting.DARK_GRAY.color!!
+
+        graphics.drawString(this.font, "Cycle rate", textX, textY, clr, false)
+        graphics.drawString(this.font, "Packets / cycle", textX, textY + textSpacing, clr, false)
+        graphics.drawString(this.font, "Queue Size", textX, textY + textSpacing*2, clr, false)
+
+        val hz = if(interval == 0) 20 else 20 / interval
+        val buffered = min(inQueue, bufferSize)
+        val queued = max(inQueue - bufferSize, 0)
+
+        graphics.drawString(this.font, "$hz Hz", dataX, textY, clr, false)
+        graphics.drawString(this.font, "$buffered / $bufferSize", dataX, textY + textSpacing, clr, false)
+        graphics.drawString(this.font, "$queued / $queueSize", dataX, textY + textSpacing * 2, clr, false)
+    }
+}
--- a/src/main/kotlin/org/neoflock/neocomputers/gui/widget/ComponentSlot.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/gui/widget/ComponentSlot.kt
@@ -6,11 +6,9 @@ import net.minecraft.client.renderer.GameRenderer
 import net.minecraft.resources.ResourceLocation
 import net.minecraft.world.Container
 import net.minecraft.world.entity.player.Player
-import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
-import net.minecraft.world.level.ItemLike
 import org.neoflock.neocomputers.NeoComputers
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.item.ComponentItem

 // Sort of a mis-nomer, does not need to be associated with components specifically
@@ -85,7 +83,7 @@ data class ComponentSlotRequirement(val tier: Int, val role: String) {

 // Tier 0 allows ALL tiers, making it completely untiered.
 // Role determines what the role is.
-class ComponentSlot(container: Container, slot: Int, x: Int, y: Int, val machine: MachineEntity?, val requirement: ComponentSlotRequirement): DynamicSlot(container, slot, x, y) {
+class ComponentSlot(container: Container, slot: Int, x: Int, y: Int, val machine: ComponentUser?, val requirement: ComponentSlotRequirement): DynamicSlot(container, slot, x, y) {
    override fun draw(graphics: GuiGraphics, relX: Int, relY: Int, mouseX: Int, mouseY: Int) {
        super.draw(graphics, relX, relY, mouseX, mouseY)
        if(!hasItem()) {
--- a/src/main/kotlin/org/neoflock/neocomputers/item/CBUSItem.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/CBUSItem.kt
@@ -2,9 +2,8 @@ package org.neoflock.neocomputers.item

 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking

 open class CBUSItem(val tier: Int, val maxComponents: Int): Item(Item.Properties()), ComponentItem {
    override fun getComponentRoles(itemStack: ItemStack) = setOf(ComponentRoles.BUS)
@@ -13,7 +12,7 @@ open class CBUSItem(val tier: Int, val maxComponents: Int): Item(Item.Properties

    override fun getComponentCapacity(itemStack: ItemStack) = maxComponents

-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null
 }
 class CBUS0: CBUSItem(1, 8)
 class CBUS1: CBUSItem(2, 12)
--- a/src/main/kotlin/org/neoflock/neocomputers/item/CPUItem.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/CPUItem.kt
@@ -2,11 +2,10 @@ package org.neoflock.neocomputers.item

 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking

-open class CPUItem(val tier: Int, val maxComponents: Int): Item(Item.Properties()), ComponentItem {
+open class CPUItem(val tier: Int, val maxComponents: Int): Item(Item.Properties()), RelayUpgrade {
    override fun getComponentRoles(itemStack: ItemStack): Set<String> = setOf(ComponentRoles.COMPUTE)

    override fun getComponentTier(itemStack: ItemStack): Int = tier
@@ -15,7 +14,9 @@ open class CPUItem(val tier: Int, val maxComponents: Int): Item(Item.Properties(

    override fun getArchitecturesProvided(itemStack: ItemStack): Set<String> = setOf("Lua 5.3")

-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null
+
+    override fun getRelayInterval(itemStack: ItemStack) = 4 / tier
 }

 class CPU0: CPUItem(1, 8)
--- a/src/main/kotlin/org/neoflock/neocomputers/item/ComponentItem.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/ComponentItem.kt
@@ -1,6 +1,7 @@
 package org.neoflock.neocomputers.item

 import net.minecraft.world.item.ItemStack
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.entity.MachineEntity
 import org.neoflock.neocomputers.entity.MachineEvent
 import org.neoflock.neocomputers.network.DeviceNode
@@ -18,7 +19,7 @@ interface ComponentItem {
    fun getArchitecturesProvided(itemStack: ItemStack): Set<String> = setOf()

    // Component placed, node must now exist
-    fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        val oldNode = getComponentNode(itemStack)
        if(oldNode != null) Networking.removeNode(oldNode) // did a mod forget to call whenComponentTaken?
        val node = toComponentNode(itemStack, machine) ?: return
@@ -27,14 +28,14 @@ interface ComponentItem {
    }

    // Component taken, and thus removed
-    fun whenComponentTaken(itemStack: ItemStack, machine: MachineEntity?, previousRole: String) {
+    fun whenComponentTaken(itemStack: ItemStack, machine: ComponentUser?, previousRole: String) {
        val node = getComponentNode(itemStack) ?: return
        // removing disconnects
        Networking.removeNode(node)
    }

    // To node, if applicable. Meant to create the node, but not add it, as it will use the itemStack's address to find it again
-    fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?): DeviceNode?
+    fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?): DeviceNode?

    // Gets the node associated to an item, if it exists
    fun getComponentNode(itemStack: ItemStack): DeviceNode? {
@@ -58,4 +59,5 @@ interface RelayUpgrade: ComponentItem {
    fun getRelayInterval(itemStack: ItemStack): Int? = null
    fun getRelayBufferSize(itemStack: ItemStack): Int? = null
    fun getRelayQueueSize(itemStack: ItemStack): Int? = null
+    fun isRelayCompatibleCard(itemStack: ItemStack): Boolean = false
 }
--- a/src/main/kotlin/org/neoflock/neocomputers/item/DataCard.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/DataCard.kt
@@ -4,9 +4,8 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking
 import org.neoflock.neocomputers.utils.Formatting

 // Note: We'll prob want to replace them with NN component configs later on
@@ -16,13 +15,13 @@ open class DataCard(val tier: Int, val limit: Long): Item(Properties()), Compone

    override fun getComponentTier(itemStack: ItemStack): Int = tier

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

    // TODO: Modem Component
-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
--- a/src/main/kotlin/org/neoflock/neocomputers/item/EEPROMItem.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/EEPROMItem.kt
@@ -4,9 +4,8 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking
 import org.neoflock.neocomputers.utils.Formatting
 import java.nio.ByteBuffer

@@ -27,12 +26,12 @@ open class EEPROMItem(val tier: Int, val codeCapacity: Int, val dataCapacity: In

    override fun getComponentCapacity(itemStack: ItemStack): Int = 0

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
--- a/src/main/kotlin/org/neoflock/neocomputers/item/GPUCard.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/GPUCard.kt
@@ -4,9 +4,8 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking

 // Note: We'll prob want to replace them with NN component configs later on

@@ -15,13 +14,13 @@ open class GPUCard(val tier: Int, val vram: Long): Item(Properties()), Component

    override fun getComponentTier(itemStack: ItemStack): Int = tier

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

    // TODO: GPU Component
-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
--- a/src/main/kotlin/org/neoflock/neocomputers/item/HDDItem.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/HDDItem.kt
@@ -4,17 +4,15 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking
 import org.neoflock.neocomputers.utils.Formatting
-import java.util.UUID

 fun getDiskProperties(): Item.Properties = Item.Properties()
    .component(DataComponents.LABEL, "")
    .component(DataComponents.READONLY, false)

-open class HardDiskItem(val tier: Int, val capacity: Long): Item(getDiskProperties()), ComponentItem {
+open class HardDiskItem(val tier: Int, val capacity: Long, val relayQueueSize: Int): Item(getDiskProperties()), RelayUpgrade {
    override fun getComponentRoles(itemStack: ItemStack): Set<String> = setOf(ComponentRoles.STORAGE)

    override fun getComponentTier(itemStack: ItemStack): Int = tier
@@ -23,12 +21,12 @@ open class HardDiskItem(val tier: Int, val capacity: Long): Item(getDiskProperti

    override fun getComponentCapacity(itemStack: ItemStack): Int = 0

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
@@ -56,8 +54,10 @@ open class HardDiskItem(val tier: Int, val capacity: Long): Item(getDiskProperti
        }
        return super.getName(itemStack)
    }
+
+    override fun getRelayQueueSize(itemStack: ItemStack) = relayQueueSize
 }

-class HardDisk0: HardDiskItem(1, 1 shl 20)
-class HardDisk1: HardDiskItem(2, 2 shl 20)
-class HardDisk2: HardDiskItem(3, 4 shl 20)
+class HardDisk0: HardDiskItem(1, 1 shl 20, 30)
+class HardDisk1: HardDiskItem(2, 2 shl 20, 40)
+class HardDisk2: HardDiskItem(3, 4 shl 20, 50)
--- a/src/main/kotlin/org/neoflock/neocomputers/item/InternetCard.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/InternetCard.kt
@@ -4,23 +4,21 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking
-import org.neoflock.neocomputers.utils.Formatting

 class InternetCard: Item(Item.Properties()), ComponentItem {
    override fun getComponentRoles(itemStack: ItemStack): Set<String> = setOf(ComponentRoles.CARD, ComponentRoles.INET)

    override fun getComponentTier(itemStack: ItemStack): Int = 1

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

    // TODO: Internet Component
-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
--- a/src/main/kotlin/org/neoflock/neocomputers/item/MemoryItem.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/MemoryItem.kt
@@ -4,13 +4,11 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.DeviceNode
-import org.neoflock.neocomputers.network.Networking
 import org.neoflock.neocomputers.utils.Formatting

-open class MemoryItem(val tier: Int, val capacity: Int): Item(Item.Properties().`arch$tab`(Tabs.TAB)), ComponentItem {
+open class MemoryItem(val tier: Int, val capacity: Int, val relayBuf: Int): Item(Item.Properties().`arch$tab`(Tabs.TAB)), RelayUpgrade {
    override fun getComponentRoles(itemStack: ItemStack) = setOf(ComponentRoles.MEMORY)

    override fun getComponentTier(itemStack: ItemStack): Int = tier
@@ -20,7 +18,7 @@ open class MemoryItem(val tier: Int, val capacity: Int): Item(Item.Properties().
    override fun getComponentCapacity(itemStack: ItemStack): Int = 0

    // no node for memory
-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
@@ -33,11 +31,13 @@ open class MemoryItem(val tier: Int, val capacity: Int): Item(Item.Properties().
        }
        super.appendHoverText(itemStack, tooltipContext, list, tooltipFlag)
    }
+
+    override fun getRelayBufferSize(itemStack: ItemStack) = relayBuf
 }

-class MemoryTier1(): MemoryItem(1, 192 shl 10)
-class MemoryTier1_5(): MemoryItem(1, 256 shl 10)
-class MemoryTier2(): MemoryItem(2, 384 shl 10)
-class MemoryTier2_5(): MemoryItem(2, 512 shl 10)
-class MemoryTier3(): MemoryItem(3, 768 shl 10)
-class MemoryTier3_5(): MemoryItem(3, 1 shl 20)
+class MemoryTier1(): MemoryItem(1, 192 shl 10, 2)
+class MemoryTier1_5(): MemoryItem(1, 256 shl 10, 3)
+class MemoryTier2(): MemoryItem(2, 384 shl 10, 4)
+class MemoryTier2_5(): MemoryItem(2, 512 shl 10, 5)
+class MemoryTier3(): MemoryItem(3, 768 shl 10, 6)
+class MemoryTier3_5(): MemoryItem(3, 1 shl 20, 7)
--- a/src/main/kotlin/org/neoflock/neocomputers/item/NetworkCard.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/NetworkCard.kt
@@ -4,22 +4,21 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking

 open class NetworkCard(val tier: Int, val maxRange: Int, val isWired: Boolean): Item(Properties()), ComponentItem {
    override fun getComponentRoles(itemStack: ItemStack): Set<String> = setOf(ComponentRoles.CARD, ComponentRoles.NETWORK)

    override fun getComponentTier(itemStack: ItemStack): Int = tier

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

    // TODO: Modem Component
-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
--- a/src/main/kotlin/org/neoflock/neocomputers/item/RedstoneCard.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/RedstoneCard.kt
@@ -4,9 +4,8 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking

 // Note: We'll prob want to replace them with NN component configs later on

@@ -15,13 +14,13 @@ open class RedstoneCard(val tier: Int): Item(Properties()), ComponentItem {

    override fun getComponentTier(itemStack: ItemStack): Int = tier

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

    // TODO: Redstone Component
-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
--- a/src/main/kotlin/org/neoflock/neocomputers/item/TunnelCard.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/item/TunnelCard.kt
@@ -4,9 +4,8 @@ import net.minecraft.network.chat.Component
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
-import org.neoflock.neocomputers.entity.MachineEntity
+import org.neoflock.neocomputers.entity.ComponentUser
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
-import org.neoflock.neocomputers.network.Networking

 class TunnelCard: Item(Properties().component(DataComponents.TUNNEL_CHANNEL, "creative")), ComponentItem {
    // yes, we're counting TUNNEL as a conventional networking card
@@ -14,13 +13,13 @@ class TunnelCard: Item(Properties().component(DataComponents.TUNNEL_CHANNEL, "cr

    override fun getComponentTier(itemStack: ItemStack): Int = 3

-    override fun whenComponentPlaced(itemStack: ItemStack, machine: MachineEntity?, newRole: String) {
+    override fun whenComponentPlaced(itemStack: ItemStack, machine: ComponentUser?, newRole: String) {
        if(machine != null) ensureHasAddress(itemStack)
        super.whenComponentPlaced(itemStack, machine, newRole)
    }

    // TODO: Tunnel Component
-    override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity?) = null
+    override fun toComponentNode(itemStack: ItemStack, machine: ComponentUser?) = null

    override fun appendHoverText(
        itemStack: ItemStack,
--- a/src/main/kotlin/org/neoflock/neocomputers/network/Networking.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/network/Networking.kt
@@ -37,7 +37,7 @@ object Networking {
    abstract class Message(val sender: DeviceNode)

    class ClassicPacket(sender: DeviceNode, val src: String, val dst: String, val port: Int, val data: List<Any>, val hopCount: Int) : Message(sender) {
-        fun hop() = ClassicPacket(sender, src, dst, port, data, hopCount + 1);
+        fun hop(sender: DeviceNode) = ClassicPacket(sender, src, dst, port, data, hopCount + 1);
    }

    // for plugins and shi