Merge branch 'main' of https://gitea.codersquack.nl/NeoFlock/NeoComputers

src/main/kotlin/org/neoflock/neocomputers/NeoComputers.kt

@@ -19,6 +19,7 @@ import org.neoflock.neocomputers.gui.widget.ComponentRoles
 import org.neoflock.neocomputers.item.Items
 import org.neoflock.neocomputers.item.Tabs
 import org.neoflock.neocomputers.network.Networking
+import org.neoflock.neocomputers.sounds.Sounds
 import org.neoflock.neocomputers.utils.FontProvider
 import org.neoflock.neocomputers.utils.GenericContainerScreen
 import org.slf4j.Logger
@@ -40,6 +41,7 @@ object NeoComputers {
         BlockEntities.registerPowerBlocks()
         Menus.MENUS.register()
         Tabs.TABS.register()
+        Sounds.SOUNDS.register()
         ComponentRoles.mapDefaultTextures()
         // i dont know why architectury wants two lambdas but whatever
         EnvExecutor.runInEnv(Env.CLIENT) {{
@@ -70,6 +72,15 @@ object NeoComputers {
             player ->
             NodeSynchronizer.playerScreenClosed(player)
         }
+
+        NetworkManager.registerReceiver(NetworkManager.c2s(),NodeSynchronizer.ScreenDataPayload.TYPE, NodeSynchronizer.ScreenDataPayload.CODEC, {
+                packet, ctx ->
+            val player = ctx.player
+            if(player is ServerPlayer) {
+                NodeSynchronizer.screenMap[player]?.processScreenInteraction(player, packet.buffer)
+            }
+        })
+
         // we have to do this because the datagen task runs in the physical server
         EnvExecutor.runInEnv(Env.CLIENT) {{
             NetworkManager.registerReceiver(NetworkManager.s2c(),NodeSynchronizer.StatePayload.TYPE, NodeSynchronizer.StatePayload.CODEC, {
@@ -93,7 +104,6 @@ object NeoComputers {
             // https://github.com/architectury/architectury-api/issues/518
             NetworkManager.registerS2CPayloadType(NodeSynchronizer.StatePayload.TYPE, NodeSynchronizer.StatePayload.CODEC)
             NetworkManager.registerS2CPayloadType(NodeSynchronizer.ScreenPayload.TYPE, NodeSynchronizer.ScreenPayload.CODEC)
-
         }}
 
         LOGGER.info("Registered!")

src/main/kotlin/org/neoflock/neocomputers/block/CaseBlock.kt

@@ -2,28 +2,89 @@ package org.neoflock.neocomputers.block;
 
 import dev.architectury.registry.menu.MenuRegistry
 import net.minecraft.core.BlockPos
-import net.minecraft.network.chat.Component
+import net.minecraft.core.Direction
+import net.minecraft.resources.ResourceLocation
 import net.minecraft.server.level.ServerPlayer
-import net.minecraft.world.InteractionHand
+import net.minecraft.sounds.SoundEvent
+import net.minecraft.sounds.SoundEvents
+import net.minecraft.sounds.SoundSource
+import net.minecraft.util.RandomSource
+import net.minecraft.world.Containers
 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.level.BlockGetter
-import net.minecraft.world.item.ItemStack
 import net.minecraft.world.level.Level
+import net.minecraft.world.level.block.Block
 import net.minecraft.world.level.block.EntityBlock
-import net.minecraft.world.level.block.entity.BlockEntity
+import net.minecraft.world.level.block.SoundType
 import net.minecraft.world.level.block.state.BlockState
+import net.minecraft.world.level.block.state.StateDefinition
+import net.minecraft.world.level.block.state.properties.BooleanProperty
 import net.minecraft.world.phys.BlockHitResult
 import org.neoflock.neocomputers.NeoComputers
+import org.neoflock.neocomputers.block.CombustionGeneratorBlock.Companion.COMBUSTGEN_ACTIVE
 import org.neoflock.neocomputers.entity.BlockEntities
-import org.neoflock.neocomputers.entity.ScreenEntity
+import org.neoflock.neocomputers.entity.CaseBlockEntity
-import org.neoflock.neocomputers.gui.menu.Menus
+import org.neoflock.neocomputers.entity.MachineEntity
-import org.neoflock.neocomputers.gui.menu.ScreenMenu
+import org.neoflock.neocomputers.sounds.Sounds
-import org.neoflock.neocomputers.network.Networking
+
+class CaseBlock() : NodeBlock(Properties.of().sound(SoundType.METAL).lightLevel(CaseBlock::getLuminance)) { // placeholder stuff
+    companion object {
+        val COMPUTER_RUNNING = BooleanProperty.create("running")!!
+
+        fun getLuminance(blockState: BlockState): Int {
+            return if(blockState.getValue(COMPUTER_RUNNING)) 3 else 0
+        }
+    }
+
+    override fun newBlockEntity(blockPos: BlockPos, blockState: BlockState) = CaseBlockEntity(blockPos, blockState)
+
+    override fun createBlockStateDefinition(builder: StateDefinition.Builder<Block?, BlockState?>) {
+        builder.add(COMPUTER_RUNNING)
+    }
+
+    fun getMachine(level: BlockGetter, blockPos: BlockPos): CaseBlockEntity {
+        return level.getBlockEntity(blockPos) as CaseBlockEntity
+    }
+
+    override fun getSignal(
+        blockState: BlockState,
+        blockGetter: BlockGetter,
+        blockPos: BlockPos,
+        direction: Direction
+    ): Int {
+        return getMachine(blockGetter, blockPos).redstoneOut[dirToIdx(direction.opposite)]
+    }
+
+    override fun onPlace(
+        blockState: BlockState,
+        level: Level,
+        blockPos: BlockPos,
+        blockState2: BlockState,
+        bl: Boolean
+    ) {
+        if(!level.isClientSide) {
+            level.updateNeighborsAt(blockPos, this)
+            getMachine(level, blockPos).refetchAllRedstone()
+        }
+        super.onPlace(blockState, level, blockPos, blockState2, bl)
+    }
+
+    override fun neighborChanged(
+        blockState: BlockState,
+        level: Level,
+        blockPos: BlockPos,
+        block: Block,
+        blockPos2: BlockPos,
+        bl: Boolean
+    ) {
+        super.neighborChanged(blockState, level, blockPos, block, blockPos2, bl)
+        if(!level.isClientSide) {
+            val dir = Direction.getNearest(blockPos2.center.subtract(blockPos.center))
+            getMachine(level, blockPos).refetchRedstone(dir)
+        }
+    }
 
-class CaseBlock() : BaseBlock() { // placeholder stuff
     override fun useWithoutItem(
         blockState: BlockState,
         level: Level,
@@ -32,13 +93,21 @@ class CaseBlock() : BaseBlock() { // placeholder stuff
         blockHitResult: BlockHitResult
     ): InteractionResult {
         if(!level.isClientSide) {
-            MenuRegistry.openMenu(player as ServerPlayer, object : MenuProvider {
+            val ent = level.getBlockEntity(blockPos, BlockEntities.CASE_ENTITY.get()).get()
-                override fun getDisplayName(): Component = Component.literal("Computer")
+            MenuRegistry.openMenu(player as ServerPlayer, ent)
-                override fun createMenu(i: Int, inventory: Inventory, player: Player): AbstractContainerMenu {
+            NodeSynchronizer.registerPlayerScreen(player, ent)
-                    return Menus.CASE_MENU.get().create(i, inventory);
-                }
-            })
         }
         return InteractionResult.SUCCESS
     }
+
+    override fun onRemove(
+        blockState: BlockState,
+        level: Level,
+        blockPos: BlockPos,
+        blockState2: BlockState,
+        bl: Boolean
+    ) {
+        Containers.dropContentsOnDestroy(blockState, blockState2, level, blockPos)
+        super.onRemove(blockState, level, blockPos, blockState2, bl)
+    }
 }

src/main/kotlin/org/neoflock/neocomputers/block/Generators.kt

@@ -13,6 +13,7 @@ import net.minecraft.world.entity.player.Player
 import net.minecraft.world.level.Level
 import net.minecraft.world.level.block.Block
 import net.minecraft.world.level.block.EntityBlock
+import net.minecraft.world.level.block.FurnaceBlock
 import net.minecraft.world.level.block.SoundType
 import net.minecraft.world.level.block.entity.BlockEntity
 import net.minecraft.world.level.block.state.BlockState
@@ -30,15 +31,15 @@ class SolarGeneratorBlock : NodeBlock(), EntityBlock {
 // TODO: make it glow when burning
 class CombustionGeneratorBlock : NodeBlock, EntityBlock {
     companion object {
-        val ACTIVE = BooleanProperty.create("active")
+        val COMBUSTGEN_ACTIVE = BooleanProperty.create("active")
 
         fun getLuminance(blockState: BlockState): Int {
-            return if(blockState.getValue(ACTIVE)) 5 else 0
+            return if(blockState.getValue(COMBUSTGEN_ACTIVE)) 5 else 0
         }
     }
 
     constructor(): super(Properties.of().sound(SoundType.STONE).lightLevel(CombustionGeneratorBlock::getLuminance)) {
-        registerDefaultState(defaultBlockState().setValue(ACTIVE, false))
+        registerDefaultState(defaultBlockState().setValue(COMBUSTGEN_ACTIVE, false))
     }
 
     override fun newBlockEntity(blockPos: BlockPos, blockState: BlockState): BlockEntity = CombustionGeneratorBlockEntity(blockPos, blockState).initNetworking()
@@ -60,12 +61,12 @@ class CombustionGeneratorBlock : NodeBlock, EntityBlock {
     }
 
     override fun createBlockStateDefinition(builder: StateDefinition.Builder<Block?, BlockState?>) {
-        builder.add(ACTIVE)
+        builder.add(COMBUSTGEN_ACTIVE)
     }
 
     override fun animateTick(blockState: BlockState, level: Level, blockPos: BlockPos, randomSource: RandomSource) {
-        if(blockState.getValue(ACTIVE)) {
+        if(blockState.getValue(COMBUSTGEN_ACTIVE)) {
-            if(randomSource.nextDouble() < 0.1) level.playSound(null, blockPos, SoundEvents.FURNACE_FIRE_CRACKLE, SoundSource.AMBIENT)
+            if(randomSource.nextDouble() < 0.1) level.playLocalSound(blockPos, SoundEvents.FURNACE_FIRE_CRACKLE, SoundSource.AMBIENT, 1F, 1F, false)
 
             val x = blockPos.x.toDouble()
             val y = blockPos.y.toDouble()

src/main/kotlin/org/neoflock/neocomputers/block/NodeBlock.kt

@@ -68,6 +68,27 @@ object NodeSynchronizer {
         override fun type() = TYPE
     }
 
+    class ScreenDataPayload(var entityTypeWireID: String, var buffer: FriendlyByteBuf): CustomPacketPayload {
+        companion object {
+            val SCREEN_SYNC_ID = ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "screen_data")
+            val TYPE = CustomPacketPayload.Type<ScreenDataPayload>(SCREEN_SYNC_ID)
+            val CODEC = object : StreamCodec<RegistryFriendlyByteBuf, ScreenDataPayload> {
+                override fun decode(buf: RegistryFriendlyByteBuf): ScreenDataPayload {
+                    val id = buf.readByteArray().decodeToString()
+                    val buffer = FriendlyByteBuf(buf.copy(buf.readerIndex(), buf.readableBytes()))
+                    return ScreenDataPayload(id, buffer)
+                }
+
+                override fun encode(buf: RegistryFriendlyByteBuf, payload: ScreenDataPayload) {
+                    buf.writeByteArray(payload.entityTypeWireID.encodeToByteArray())
+                    buf.writeBytes(payload.buffer)
+                }
+            }
+        }
+
+        override fun type() = TYPE
+    }
+
     val screenMap = mutableMapOf<ServerPlayer, NodeBlockEntity>()
 
     fun playerScreenClosed(player: ServerPlayer) {
@@ -87,6 +108,10 @@ object NodeSynchronizer {
             NetworkManager.sendToPlayer(player, ScreenPayload(nodeTypeToWireID(ent.type), buf))
         }
     }
+
+    fun sendScreenInteraction(friendlyByteBuf: FriendlyByteBuf) {
+        NetworkManager.sendToServer(ScreenDataPayload("", friendlyByteBuf))
+    }
 }
 
 abstract class NodeBlockEntity(blockEntityType: BlockEntityType<*>, blockPos: BlockPos, blockState: BlockState) : BlockEntity(blockEntityType, blockPos, blockState) {
@@ -119,6 +144,8 @@ abstract class NodeBlockEntity(blockEntityType: BlockEntityType<*>, blockPos: Bl
     // Encodes data meant for the associated screen of a player
     open fun encodeScreenData(player: ServerPlayer, packet: FriendlyByteBuf) {}
 
+    open fun processScreenInteraction(player: ServerPlayer, packet: FriendlyByteBuf) {}
+
     private var stateIsDirty = true
 
     open fun getNeighbourEntities(): List<BlockEntity> {

src/main/kotlin/org/neoflock/neocomputers/entity/BlockEntities.kt

@@ -75,6 +75,11 @@ object BlockEntities {
             ::CombustionGeneratorBlockEntity, mutableSetOf(Blocks.REDSTONEIO_BLOCK.get()), BullshitFix()
         )
     }
+    val CASE_ENTITY: RegistrySupplier<BlockEntityType<CaseBlockEntity>> = BLOCKENTITIES.register("case") {
+        BlockEntityType(
+            ::CaseBlockEntity, mutableSetOf(Blocks.CASE_BLOCK.get()), BullshitFix()
+        )
+    }
 
     fun registerPowerBlocks() {
         PowerManager.registerPowerBlockEntity(CAPACITOR_ENTITY.get())

src/main/kotlin/org/neoflock/neocomputers/entity/CaseBlockEntity.kt

@@ -0,0 +1,210 @@
+package org.neoflock.neocomputers.entity
+
+import net.minecraft.client.Minecraft
+import net.minecraft.client.resources.sounds.BiomeAmbientSoundsHandler
+import net.minecraft.client.resources.sounds.EntityBoundSoundInstance
+import net.minecraft.client.resources.sounds.SoundInstance
+import net.minecraft.client.sounds.LoopingAudioStream
+import net.minecraft.core.BlockPos
+import net.minecraft.core.Direction
+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.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
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.ItemStack
+import net.minecraft.world.level.Level
+import net.minecraft.world.level.block.state.BlockState
+import org.neoflock.neocomputers.NeoComputers
+import org.neoflock.neocomputers.block.CaseBlock
+import org.neoflock.neocomputers.block.NodeBlockEntity
+import org.neoflock.neocomputers.block.dirToIdx
+import org.neoflock.neocomputers.gui.menu.CaseMenu
+import org.neoflock.neocomputers.item.ComponentItem
+import org.neoflock.neocomputers.network.Networking
+import org.neoflock.neocomputers.network.PowerRole
+import org.neoflock.neocomputers.sounds.ComputerRunningSoundInstance
+import org.neoflock.neocomputers.sounds.Sounds
+import org.neoflock.neocomputers.utils.GenericContainer
+import java.time.Duration
+import kotlin.math.min
+
+class CaseBlockEntity(blockPos: BlockPos, blockState: BlockState): NodeBlockEntity(BlockEntities.CASE_ENTITY.get(), blockPos, blockState), MachineEntity, GenericContainer, MenuProvider {
+    val stacks: NonNullList<ItemStack> = NonNullList<ItemStack>.withSize(7, ItemStack.EMPTY)
+
+    var isOn = false
+    var soundInstance: SoundInstance? = null
+
+    override val node = object : Networking.Node() {
+        override var powerRole = PowerRole.STORAGE
+        override var energyCapacity: Long = 500
+    }
+
+    override fun encodeDownstreamData(packet: FriendlyByteBuf) {
+        super.encodeDownstreamData(packet)
+        packet.writeBoolean(isOn)
+    }
+
+    override fun syncWithUpstream(packet: FriendlyByteBuf) {
+        super.syncWithUpstream(packet)
+        setRunning(packet.readBoolean())
+    }
+
+    override fun processScreenInteraction(player: ServerPlayer, packet: FriendlyByteBuf) {
+        val c = packet.readByte().toInt()
+        if(c == 0x01) {
+            start()
+        }
+        if(c == 0x02) {
+            stop()
+        }
+    }
+
+    override fun encodeScreenData(player: ServerPlayer, packet: FriendlyByteBuf) {
+        super.encodeScreenData(player, packet)
+        packet.writeBoolean(isOn)
+    }
+
+    val redstoneIn = Array(Direction.entries.size) {0}
+    val redstoneOut = Array(Direction.entries.size) {0}
+
+    fun refetchRedstone(dir: Direction) {
+        val src = blockPos.offset(dir.stepX, dir.stepY, dir.stepZ)
+        val cur = level?.getSignal(src, dir) ?: 0
+        val idx = dirToIdx(dir)
+        if(redstoneIn[idx] != cur) {
+            onRedstoneSignalChanged(dir, redstoneIn[idx], cur)
+        }
+        redstoneIn[idx] = cur
+    }
+
+    fun refetchAllRedstone() {
+        Direction.entries.forEach { refetchRedstone(it) }
+    }
+
+    fun sendMachineEvent(event: MachineEvent) {
+        stacks.forEach {
+            val item = it.item
+            if(item is ComponentItem) {
+                item.onMachineEvent(it, this, event)
+            }
+        }
+    }
+
+    fun onRedstoneSignalChanged(dir: Direction, oldValue: Int, newValue: Int) {
+        sendMachineEvent(MachineRedstoneEvent(this, dir, oldValue, newValue))
+        Networking.emitMessage(node, Networking.ComputerUncheckedSignal(node, "redstone_changed", arrayOf(node.address.toString(), dirToIdx(dir), oldValue, newValue)))
+        NeoComputers.LOGGER.info("redstone in direction ${dir.name} changed from $oldValue to $newValue")
+        if(oldValue == 0) {
+            // Rising edge
+            start()
+        }
+        setChanged()
+    }
+
+    override fun getMachineBlockPosition(): BlockPos = blockPos
+    override fun getMachineLevel(): Level = level!!
+
+    override fun isRunning(): Boolean = isOn
+
+    fun setRunning(value: Boolean) {
+        if(isOn == value) return
+        NeoComputers.LOGGER.info("[${node.address}] Going from $isOn to $value")
+        isOn = value
+        val world = level ?: return
+        blockState?.setValue(CaseBlock.COMPUTER_RUNNING, isOn)
+        if(world.isClientSide) {
+            if(value) {
+                soundInstance = ComputerRunningSoundInstance(this, Sounds.COMPUTER_RUNNING.get(), SoundSource.AMBIENT)
+                Minecraft.getInstance().soundManager.play(soundInstance!!)
+            } else {
+                Minecraft.getInstance().soundManager.stop(soundInstance!!)
+                soundInstance = null
+            }
+            return
+        }
+        // Server-side stuff!!
+        world.onBlockStateChange(blockPos, blockState, blockState)
+        sendMachineEvent(MachinePowerEvent(this, isOn))
+    }
+
+    override fun start(): Boolean {
+        setRunning(true)
+        return isOn
+    }
+
+    override fun stop(): Boolean {
+        setRunning(false)
+        return isOn
+    }
+
+    override fun crash(error: String): Boolean {
+        NeoComputers.LOGGER.warn("Crashing cases is not implemented yet lol")
+        return false
+    }
+
+    override fun getLastError(): String? = null
+
+    override fun getMachineNode(): Networking.Node = node
+
+    override fun getRedstoneInput(direction: Direction): Int = redstoneIn[dirToIdx(direction)]
+
+    override fun getRedstoneOutput(direction: Direction): Int = redstoneOut[dirToIdx(direction)]
+
+    override fun setRedstoneOutput(direction: Direction, newValue: Int): Int {
+        val idx = dirToIdx(direction)
+        val old = redstoneOut[idx]
+        redstoneOut[idx] = newValue
+        return old
+    }
+
+    override fun beepAsync(frequency: Int, duration: Duration, volume: Double): Boolean {
+        NeoComputers.LOGGER.warn("beep not yet implemented")
+        return true
+    }
+
+    override fun getMachineMemoryTotal(): Long = stacks.mapNotNull { (it.item as? ComponentItem)?.getMemoryCapacity(it) }.sum().toLong()
+    override fun getMachineMemoryUsed(): Long = 0
+    override fun getMachineComponentsUsed(): Long = node.connections.size.toLong()
+    override fun getMachineComponentsTotal(): Long = stacks.mapNotNull { (it.item as? ComponentItem)?.getComponentCapacity(it) }.sum().toLong()
+
+    override fun getItems(): NonNullList<ItemStack> = stacks
+
+    override fun stillValid(player: Player): Boolean = true
+
+    override fun loadAdditional(compoundTag: CompoundTag, provider: HolderLookup.Provider) {
+        super.loadAdditional(compoundTag, provider)
+        node.energy = min(node.energyCapacity, compoundTag.getLong("energy"))
+        //isOn = compoundTag.getBoolean("powerOn")
+        ContainerHelper.loadAllItems(compoundTag, getItems(), provider)
+    }
+
+    override fun saveAdditional(compoundTag: CompoundTag, provider: HolderLookup.Provider) {
+        super.saveAdditional(compoundTag, provider)
+        compoundTag.putLong("energy", node.energy)
+        //compoundTag.putBoolean("powerOn", isOn)
+        ContainerHelper.saveAllItems(compoundTag, getItems(), provider)
+    }
+
+    override fun getDisplayName(): Component? = Component.literal("Computer")
+    override fun createMenu(i: Int, inventory: Inventory, player: Player) = CaseMenu(i, inventory, this)
+
+    override fun canPlaceItem(i: Int, itemStack: ItemStack): Boolean = false
+    override fun canTakeItem(container: Container, i: Int, itemStack: ItemStack): Boolean = false
+
+    override fun setChanged() {
+        super.setChanged()
+    }
+
+    override fun setRemoved() {
+        setRunning(false)
+        super.setRemoved()
+    }
+}

src/main/kotlin/org/neoflock/neocomputers/entity/CombustionGeneratorBlockEntity.kt

@@ -5,20 +5,14 @@ import net.minecraft.core.HolderLookup
 import net.minecraft.core.NonNullList
 import net.minecraft.nbt.CompoundTag
 import net.minecraft.network.FriendlyByteBuf
-import net.minecraft.network.RegistryFriendlyByteBuf
 import net.minecraft.network.chat.Component
 import net.minecraft.server.level.ServerPlayer
-import net.minecraft.sounds.SoundEvents
-import net.minecraft.sounds.SoundSource
 import net.minecraft.world.ContainerHelper
 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.ChestBlock
-import net.minecraft.world.level.block.FurnaceBlock
 import net.minecraft.world.level.block.state.BlockState
 import org.neoflock.neocomputers.block.CombustionGeneratorBlock
 import org.neoflock.neocomputers.block.NodeBlockEntity
@@ -81,7 +75,7 @@ class CombustionGeneratorBlockEntity(blockPos: BlockPos, blockState: BlockState)
 
     override fun setChanged() {
         super.setChanged()
-        level?.setBlockAndUpdate(blockPos, blockState.setValue(CombustionGeneratorBlock.ACTIVE, burningTimeRemaining > 0))
+        level?.setBlockAndUpdate(blockPos, blockState.setValue(CombustionGeneratorBlock.COMBUSTGEN_ACTIVE, burningTimeRemaining > 0))
     }
 
     override fun encodeScreenData(player: ServerPlayer, packet: FriendlyByteBuf) {

src/main/kotlin/org/neoflock/neocomputers/entity/MachineEntity.kt

@@ -2,26 +2,39 @@ package org.neoflock.neocomputers.entity
 
 import net.minecraft.core.BlockPos
 import net.minecraft.core.Direction
+import net.minecraft.world.level.Level
 import org.neoflock.neocomputers.item.ComponentItem
 import org.neoflock.neocomputers.network.Networking
+import java.time.Duration
 
 abstract class MachineEvent {
     abstract val machine: MachineEntity
 }
 
-data class MachineRedstoneEvent(override val machine: MachineEntity, val side: Direction): MachineEvent()
+data class MachineRedstoneEvent(override val machine: MachineEntity, val side: Direction, val oldValue: Int, val newValue: Int): MachineEvent()
+data class MachinePowerEvent(override val machine: MachineEntity, val nowRunning: Boolean): MachineEvent()
 
 interface MachineEntity {
     // Block position of machine, for wireless tech
-    fun getBlockPosition(): BlockPos
+    fun getMachineBlockPosition(): BlockPos
+    fun getMachineLevel(): Level
+
+    fun beepAsync(frequency: Int, duration: Duration, volume: Double): Boolean
 
     fun isRunning(): Boolean
     fun start(): Boolean
     fun stop(): Boolean
     fun crash(error: String): Boolean
+    fun getLastError(): String?
 
     fun getMachineNode(): Networking.Node
 
+    // Some metadata
+    fun getMachineMemoryTotal(): Long
+    fun getMachineMemoryUsed(): Long
+    fun getMachineComponentsUsed(): Long
+    fun getMachineComponentsTotal(): Long
+
     // Redstone signals
     fun getRedstoneInput(direction: Direction): Int
     fun getRedstoneOutput(direction: Direction): Int

src/main/kotlin/org/neoflock/neocomputers/gui/menu/CaseMenu.kt

@@ -1,49 +1,15 @@
 package org.neoflock.neocomputers.gui.menu;
 
-import net.minecraft.core.BlockPos
-import net.minecraft.core.Direction
 import net.minecraft.world.Container
 import net.minecraft.world.SimpleContainer
 import net.minecraft.world.entity.player.Inventory
-import org.neoflock.neocomputers.gui.menu.Menus;
+import org.neoflock.neocomputers.entity.CaseBlockEntity
-import net.minecraft.world.entity.player.Player
-import net.minecraft.world.inventory.AbstractContainerMenu
-import net.minecraft.world.inventory.MenuType
-import net.minecraft.world.item.ItemStack
-import org.neoflock.neocomputers.NeoComputers
-import org.neoflock.neocomputers.entity.MachineEntity
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
 import org.neoflock.neocomputers.gui.widget.ComponentSlot
 import org.neoflock.neocomputers.gui.widget.ComponentSlotRequirement
-import org.neoflock.neocomputers.gui.widget.DynamicSlot
-import org.neoflock.neocomputers.item.ComponentItem
-import org.neoflock.neocomputers.network.Networking
 import org.neoflock.neocomputers.utils.GenericContainerMenu
 
-// lowest IQ machine to exist
+open class CaseMenu : GenericContainerMenu {
-class DumbMachine: MachineEntity {
-    override fun getBlockPosition() = BlockPos.ZERO!!
-
-    override fun isRunning() = false
-
-    override fun start() = false
-
-    override fun stop() = false
-
-    override fun crash(error: String) = false
-
-    override fun getMachineNode() = Networking.Node()
-
-    override fun getRedstoneInput(direction: Direction): Int = 0
-
-    override fun getRedstoneOutput(direction: Direction): Int = 0
-
-    override fun setRedstoneOutput(direction: Direction, newValue: Int): Int = 0
-}
-
-class CaseMenu : GenericContainerMenu {
-    constructor(i: Int, inv: Inventory) : this(i, inv, SimpleContainer(7))
-
     open val eepromRequirement = ComponentSlotRequirement(1, ComponentRoles.FIRMWARE)
     open val slotRequirements = listOf(
         listOf(ComponentSlotRequirement(1, ComponentRoles.CARD), ComponentSlotRequirement(1, ComponentRoles.CARD)),
@@ -51,18 +17,23 @@ class CaseMenu : GenericContainerMenu {
         listOf(ComponentSlotRequirement(1, ComponentRoles.STORAGE)),
     )
 
+    constructor(i: Int, inv: Inventory) : this(i, inv, SimpleContainer(7))
+
     constructor(i: Int, inv: Inventory, container: Container) : super(Menus.CASE_MENU.get(), i, container) {
         this.addInventorySlots(inv, 8, 84)
 
-        this.addSlot(ComponentSlot(this.container!!, 0, 20, 34, DumbMachine(), eepromRequirement))
+        val machine = container as? CaseBlockEntity
+
+        this.addSlot(ComponentSlot(this.container, 0, 20, 34, machine, eepromRequirement))
 
         var i = 1
         for ((col, slotCol) in slotRequirements.withIndex()) {
             for ((row, slotReq) in slotCol.withIndex()) {
-                this.addSlot(ComponentSlot(this.container!!, i, 98+(col*22), 18*(row+1)-2, DumbMachine(), slotReq))
+                this.addSlot(ComponentSlot(this.container, i, 98+(col*22), 18*(row+1)-2, machine, slotReq))
                 i++
             }
         }
+
         // for (int col=1; col<4; col++) {
         //     for (int row=1; row<4; row++) {
         //         int i = (row-1)*3+(col-1);

src/main/kotlin/org/neoflock/neocomputers/gui/menu/ScreenMenu.kt

@@ -1,14 +1,13 @@
 package org.neoflock.neocomputers.gui.menu;
 
+import net.minecraft.world.SimpleContainer
 import net.minecraft.world.entity.player.Inventory
 import org.neoflock.neocomputers.gui.menu.Menus;
 import net.minecraft.world.entity.player.Player
 import net.minecraft.world.inventory.AbstractContainerMenu
 import net.minecraft.world.inventory.MenuType
 import net.minecraft.world.item.ItemStack
+import org.neoflock.neocomputers.utils.GenericContainerMenu
 
-class ScreenMenu(i: Int, inv: Inventory) : AbstractContainerMenu(Menus.SCREEN_MENU.get(), i) {
+class ScreenMenu(i: Int, inv: Inventory) : GenericContainerMenu(Menus.SCREEN_MENU.get(), i, SimpleContainer(0)) {
-
-    override fun stillValid(player: Player) = true // TODO: implement this properly
-    override fun quickMoveStack(player: Player, i: Int): ItemStack = ItemStack.EMPTY // there's no container here anyways
 }

src/main/kotlin/org/neoflock/neocomputers/gui/render/ProgressBar.kt

@@ -38,7 +38,7 @@ object ProgressBar {
         guiGraphics.fill(x+1, y+height-1, x+width, y+height, 0xFFFFFFFF.toInt()) // bottom right corner + bottom edge
         guiGraphics.fill(x+width-1, y+height-1, x+width, y+1, 0xFFFFFFFF.toInt()) // right edge
 
-        val frac = value.toFloat() / max.toFloat()
+        val frac = if(max == 0L) 0.0f else value.toFloat() / max.toFloat()
         val linew = ceil(frac*(width-2).toFloat())
         guiGraphics.fill(
             RenderType.gui(),

src/main/kotlin/org/neoflock/neocomputers/gui/screen/CaseScreen.kt

@@ -4,16 +4,19 @@ import com.mojang.blaze3d.vertex.BufferBuilder
 import com.mojang.blaze3d.vertex.DefaultVertexFormat
 import com.mojang.blaze3d.vertex.Tesselator
 import com.mojang.blaze3d.vertex.VertexFormat
+import io.netty.buffer.Unpooled
 import net.minecraft.client.Minecraft
 import net.minecraft.client.gui.GuiGraphics
 import net.minecraft.client.gui.components.Button
 import net.minecraft.client.gui.components.ImageButton
 import net.minecraft.client.gui.components.WidgetSprites
 import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
+import net.minecraft.network.FriendlyByteBuf
 import net.minecraft.network.chat.Component
 import net.minecraft.resources.ResourceLocation
 import net.minecraft.world.entity.player.Inventory
 import org.neoflock.neocomputers.NeoComputers
+import org.neoflock.neocomputers.block.NodeSynchronizer
 import org.neoflock.neocomputers.gui.menu.CaseMenu
 import org.neoflock.neocomputers.gui.widget.ButtonSprites
 import org.neoflock.neocomputers.gui.widget.ImagerButton
@@ -27,18 +30,26 @@ class CaseScreen : GenericContainerScreen<CaseMenu> {
 //    private val BTN_ENABLED_HOVER: ResourceLocation = ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "textures/gui/button/power/enabled_hover.png")
 //    private val BTN_DISABLED_HOVER: ResourceLocation = ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "textures/gui/power/disabled_hover.png")
 
-
+    private var btn: ImagerButton? = null
-    private var btn: ImagerButton? = null;
     override fun shouldCenterTitle(): Boolean = false
 
+    var isOn = false
+
+    override fun processScreenStatePacket(buf: FriendlyByteBuf) {
+        super.processScreenStatePacket(buf)
+        isOn = buf.readBoolean()
+        btn?.pressed = isOn
+    }
+
     constructor(abstractContainerMenu: CaseMenu, inventory: Inventory, component: Component) : super(abstractContainerMenu, inventory, component) {
         btn = ImagerButton(
             15, 15,
             18, 18,
             ButtonSprites(BTN, 18, 18, 36, 36)
         ) {
-            var btn = it as ImagerButton
+            val buf = FriendlyByteBuf(Unpooled.buffer())
-            btn.pressed = !btn.pressed
+            buf.writeByte(if(isOn) 0x02 else 0x01)
+            NodeSynchronizer.sendScreenInteraction(buf)
         }
 //        addRenderableWidget(btn!!)
     }
@@ -47,7 +58,6 @@ class CaseScreen : GenericContainerScreen<CaseMenu> {
         val relX = (this.width - this.imageWidth) / 2
         val relY = (this.height - this.imageHeight) / 2
 
-
         btn!!.x = relX+70
         btn!!.y = relY+33
         btn!!.render(guiGraphics, i, j, f) // minecraft SUCKSSS
@@ -64,5 +74,4 @@ class CaseScreen : GenericContainerScreen<CaseMenu> {
         } else return false
     }
 
-
 }

src/main/kotlin/org/neoflock/neocomputers/gui/widget/ComponentSlot.kt

@@ -85,7 +85,7 @@ 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: MachineEntity?, 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()) {
@@ -115,17 +115,21 @@ class ComponentSlot(container: Container, slot: Int, x: Int, y: Int, val machine
 
     override fun set(itemStack: ItemStack) {
         super.set(itemStack)
+        if(machine != null) {
             val item = itemStack.item
             if (item is ComponentItem) {
                 item.whenComponentPlaced(itemStack, machine, requirement.role)
             }
         }
+    }
 
     override fun onTake(player: Player, itemStack: ItemStack) {
+        if(machine != null) {
             val item = itemStack.item
             if (item is ComponentItem) {
                 item.whenComponentTaken(itemStack, machine, requirement.role)
             }
+        }
         super.onTake(player, itemStack)
     }
 

src/main/kotlin/org/neoflock/neocomputers/item/ComponentItem.kt

@@ -21,11 +21,13 @@ interface ComponentItem {
         if(oldNode != null) Networking.removeNode(oldNode) // did a mod forget to call whenComponentTaken?
         val node = toComponentNode(itemStack, machine) ?: return
         Networking.addNode(node)
+        machine.getMachineNode().connectTo(node)
     }
 
     // Component taken, and thus removed
     fun whenComponentTaken(itemStack: ItemStack, machine: MachineEntity, previousRole: String) {
         val node = getComponentNode(itemStack) ?: return
+        node.disconnectFrom(machine.getMachineNode())
         Networking.removeNode(node)
     }
 

src/main/kotlin/org/neoflock/neocomputers/item/DataComponents.kt

@@ -6,6 +6,7 @@ import net.minecraft.core.component.DataComponentType
 import net.minecraft.core.registries.BuiltInRegistries
 import net.minecraft.resources.ResourceLocation
 import org.neoflock.neocomputers.NeoComputers
+import java.nio.ByteBuffer
 
 object DataComponents {
     val ADDRESS = Registry.register(BuiltInRegistries.DATA_COMPONENT_TYPE, ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "address"),
@@ -15,7 +16,7 @@ object DataComponents {
     val READONLY = Registry.register(BuiltInRegistries.DATA_COMPONENT_TYPE, ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "readonly"),
         DataComponentType.builder<Boolean>().persistent(Codec.BOOL).build())
     val EEPROM_CODE = Registry.register(BuiltInRegistries.DATA_COMPONENT_TYPE, ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "eeprom_code"),
-        DataComponentType.builder<String>().persistent(Codec.STRING).build())
+        DataComponentType.builder<ByteBuffer>().persistent(Codec.BYTE_BUFFER).build())
     val EEPROM_DATA = Registry.register(BuiltInRegistries.DATA_COMPONENT_TYPE, ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "eeprom_data"),
-        DataComponentType.builder<String>().persistent(Codec.STRING).build())
+        DataComponentType.builder<ByteBuffer>().persistent(Codec.BYTE_BUFFER).build())
 }

src/main/kotlin/org/neoflock/neocomputers/item/EEPROMItem.kt

@@ -8,15 +8,15 @@ import org.neoflock.neocomputers.entity.MachineEntity
 import org.neoflock.neocomputers.gui.widget.ComponentRoles
 import org.neoflock.neocomputers.network.Networking
 import org.neoflock.neocomputers.utils.Formatting
-import java.util.UUID
+import java.nio.ByteBuffer
 
-fun getEEPROMProperties(): Item.Properties = Item.Properties()
+fun getEEPROMProperties(codeCap: Int, dataCap: Int): Item.Properties = Item.Properties()
-    .component(DataComponents.EEPROM_CODE, "")
+    .component(DataComponents.EEPROM_CODE, ByteBuffer.allocate(codeCap))
-    .component(DataComponents.EEPROM_DATA, "")
+    .component(DataComponents.EEPROM_DATA, ByteBuffer.allocate(dataCap))
     .component(DataComponents.LABEL, "")
     .component(DataComponents.READONLY, false)
 
-open class EEPROMItem(val tier: Int, val codeCapacity: Int, val dataCapacity: Int): Item(getEEPROMProperties()), ComponentItem {
+open class EEPROMItem(val tier: Int, val codeCapacity: Int, val dataCapacity: Int): Item(getEEPROMProperties(codeCapacity, dataCapacity)), ComponentItem {
     override fun getComponentRoles(itemStack: ItemStack): Set<String> = setOf(ComponentRoles.FIRMWARE)
 
     override fun getComponentTier(itemStack: ItemStack): Int = tier
@@ -39,12 +39,10 @@ open class EEPROMItem(val tier: Int, val codeCapacity: Int, val dataCapacity: In
         tooltipFlag: TooltipFlag
     ) {
         if(tooltipFlag.isAdvanced) {
-            val code = itemStack.get(DataComponents.EEPROM_CODE) ?: ""
+            val codeSize = itemStack.get(DataComponents.EEPROM_CODE)?.position() ?: 0
-            val data = itemStack.get(DataComponents.EEPROM_DATA) ?: ""
+            val dataSize = itemStack.get(DataComponents.EEPROM_DATA)?.position() ?: 0
             val addr = itemStack.get(DataComponents.ADDRESS)
             val readonly = itemStack.get(DataComponents.READONLY) ?: false
-            val codeSize = code.encodeToByteArray().size
-            val dataSize = data.encodeToByteArray().size
             val addrComp = if(addr == null) Component.translatable("neocomputers.noaddr") else Component.literal(addr)
             list.addLast(addrComp)
             list.addLast(Component.translatable("neocomputers.eeprom.codeused", Formatting.formatMemory(codeSize.toLong()),

src/main/kotlin/org/neoflock/neocomputers/item/GPUCard.kt

@@ -20,7 +20,7 @@ open class GPUCard(val tier: Int, val vram: Long): Item(Properties()), Component
         super.whenComponentPlaced(itemStack, machine, newRole)
     }
 
-    // TODO: Modem Component
+    // TODO: GPU Component
     override fun toComponentNode(itemStack: ItemStack, machine: MachineEntity): Networking.Node? = null
 
     override fun appendHoverText(

src/main/kotlin/org/neoflock/neocomputers/item/Tabs.kt

@@ -2,11 +2,14 @@ package org.neoflock.neocomputers.item
 
 import dev.architectury.registry.CreativeTabRegistry
 import dev.architectury.registry.registries.DeferredRegister
+import net.minecraft.client.Minecraft
 import net.minecraft.core.registries.Registries
 import net.minecraft.network.chat.Component
+import net.minecraft.resources.ResourceLocation
 import net.minecraft.world.item.CreativeModeTab
 import net.minecraft.world.item.ItemStack
 import org.neoflock.neocomputers.NeoComputers
+import java.nio.ByteBuffer
 
 object Tabs {
     val TABS: DeferredRegister<CreativeModeTab> =
@@ -53,11 +56,24 @@ object Tabs {
 
                 output.accept(ItemStack(Items.EE0.get()))
 
+                // Criminal black magic to put LuaBIOS EEPROM in the tabs
+                do {
                     val luaBios = ItemStack(Items.EE0.get())
+                    val res = Minecraft.getInstance().resourceManager.getResourceOrThrow(
+                        ResourceLocation.fromNamespaceAndPath(
+                            NeoComputers.MODID,
+                            "lua/oc_bios.lua"
+                        )
+                    )
+                    val stream = res.openAsReader()
+                    val code = stream.readText().encodeToByteArray()
+                    stream.close()
+                    val codeBuf = ByteBuffer.allocate(code.size)
+                    codeBuf.put(code)
                     luaBios.set(DataComponents.LABEL, "Lua BIOS")
-                luaBios.set(DataComponents.EEPROM_CODE, "error('hi')")
+                    luaBios.set(DataComponents.EEPROM_CODE, codeBuf)
-                luaBios.set(DataComponents.EEPROM_DATA, "random garbage")
                     output.accept(luaBios)
+                } while(false)
             }
         }
     }

src/main/kotlin/org/neoflock/neocomputers/sounds/LoopingSoundInstance.kt

@@ -0,0 +1,37 @@
+package org.neoflock.neocomputers.sounds
+
+import net.minecraft.client.resources.sounds.AbstractTickableSoundInstance
+import net.minecraft.client.resources.sounds.EntityBoundSoundInstance
+import net.minecraft.client.resources.sounds.MinecartSoundInstance
+import net.minecraft.client.resources.sounds.SoundInstance
+import net.minecraft.sounds.SoundEvent
+import net.minecraft.sounds.SoundSource
+import org.neoflock.neocomputers.entity.MachineEntity
+
+class ComputerRunningSoundInstance: AbstractTickableSoundInstance {
+    val machine: MachineEntity
+
+    fun updatePosition() {
+        val pos = machine.getMachineBlockPosition()
+        this.x = pos.x.toDouble() + 0.5
+        this.y = pos.y.toDouble() + 0.5
+        this.z = pos.z.toDouble() + 0.5
+    }
+
+    constructor(machine: MachineEntity, soundEvent: SoundEvent, soundSource: SoundSource): super(soundEvent, soundSource, SoundInstance.createUnseededRandom()) {
+        this.machine = machine
+        this.looping = true
+        this.delay = 0
+        this.volume = 1.0F
+        this.pitch = 1.0F
+        updatePosition()
+    }
+
+    override fun tick() {
+        if(!machine.isRunning()) {
+            this.stop()
+        } else {
+            updatePosition()
+        }
+    }
+}

src/main/kotlin/org/neoflock/neocomputers/sounds/Sounds.kt

@@ -0,0 +1,17 @@
+package org.neoflock.neocomputers.sounds
+
+import dev.architectury.registry.registries.DeferredRegister
+import net.minecraft.core.registries.Registries
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.sounds.SoundEvent
+import org.neoflock.neocomputers.NeoComputers
+
+object Sounds {
+    val SOUNDS = DeferredRegister.create(NeoComputers.MODID, Registries.SOUND_EVENT)!!
+
+    val COMPUTER_RUNNING = registerSound("computer_running")
+
+    fun registerSound(name: String) = SOUNDS.register(name) {
+        SoundEvent.createVariableRangeEvent(ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, name))
+    }!!
+}

src/main/kotlin/org/neoflock/neocomputers/utils/GenericContainer.kt

@@ -62,7 +62,7 @@ interface GenericContainer : Container {
     }
 }
 
-abstract class GenericContainerMenu(menuType: MenuType<*>, id: Int, var container: Container?): AbstractContainerMenu(menuType, id) {
+abstract class GenericContainerMenu(menuType: MenuType<*>, id: Int, var container: Container): AbstractContainerMenu(menuType, id) {
     fun addInventorySlots(inventory: Inventory, x: Int, y: Int) {
         // Based off the code in ChestMenu
         for (i in 0..2) {
@@ -88,7 +88,7 @@ abstract class GenericContainerMenu(menuType: MenuType<*>, id: Int, var containe
 
         val stack = slot.item
         val copied = stack.copy()
-        val contSize = container!!.containerSize
+        val contSize = container.containerSize
 
         if(i < contSize) {
             if(!this.moveItemStackTo(stack, contSize, slots.size, true)) {
@@ -108,7 +108,7 @@ abstract class GenericContainerMenu(menuType: MenuType<*>, id: Int, var containe
     }
 
     override fun stillValid(player: Player): Boolean {
-        return container!!.stillValid(player)
+        return container.stillValid(player)
     }
 }
 
@@ -148,9 +148,13 @@ abstract class GenericContainerScreen<T: GenericContainerMenu>(menu: T, inventor
         }
     }
 
+    open fun renderCustomOverlay(graphics: GuiGraphics, mouseX: Int, mouseY: Int, blend: Float) {
+
+    }
+
     override fun render(graphics: GuiGraphics, mouseX: Int, mouseY: Int, something: Float) {
         super.render(graphics, mouseX, mouseY, something)
-
+        renderCustomOverlay(graphics, mouseX, mouseY, something)
         if(shouldRenderTooltip()) super.renderTooltip(graphics, mouseX, mouseY)
     }
 }

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

@@ -46,5 +46,6 @@
   "neocomputers.noaddr": "No address assigned",
   "neocomputers.memory.capacity": "Capacity: %1$s",
   "neocomputers.eeprom.codeused": "Code Storage: %1$s / %2$s",
-  "neocomputers.eeprom.dataused": "Data Storage: %1$s / %2$s"
+  "neocomputers.eeprom.dataused": "Data Storage: %1$s / %2$s",
+  "sounds.neocomputers.computer_running": "Computer Fans"
 }

src/main/resources/assets/neocomputers/lua/oc_bios.lua

@@ -0,0 +1,64 @@
+local init
+do
+  local component_invoke = component.invoke
+  local function boot_invoke(address, method, ...)
+    local result = table.pack(pcall(component_invoke, address, method, ...))
+    if not result[1] then
+      return nil, result[2]
+    else
+      return table.unpack(result, 2, result.n)
+    end
+  end
+
+  -- backwards compatibility, may remove later
+  local eeprom = component.list("eeprom")()
+  computer.getBootAddress = function()
+    return boot_invoke(eeprom, "getData")
+  end
+  computer.setBootAddress = function(address)
+    return boot_invoke(eeprom, "setData", address)
+  end
+
+  do
+    local screen = component.list("screen")()
+    local gpu = component.list("gpu")()
+    if gpu and screen then
+      boot_invoke(gpu, "bind", screen)
+    end
+  end
+  local function tryLoadFrom(address)
+    local handle, reason = boot_invoke(address, "open", "/init.lua")
+    if not handle then
+      return nil, reason
+    end
+    local buffer = ""
+    repeat
+      local data, reason = boot_invoke(address, "read", handle, math.maxinteger or math.huge)
+      if not data and reason then
+        return nil, reason
+      end
+      buffer = buffer .. (data or "")
+    until not data
+    boot_invoke(address, "close", handle)
+    return load(buffer, "=init")
+  end
+  local reason
+  if computer.getBootAddress() then
+    init, reason = tryLoadFrom(computer.getBootAddress())
+  end
+  if not init then
+    computer.setBootAddress()
+    for address in component.list("filesystem") do
+      init, reason = tryLoadFrom(address)
+      if init then
+        computer.setBootAddress(address)
+        break
+      end
+    end
+  end
+  if not init then
+    error("no bootable medium found" .. (reason and (": " .. tostring(reason)) or ""), 0)
+  end
+  computer.beep(1000, 0.2)
+end
+return init()

src/main/resources/assets/neocomputers/sounds.json

@@ -0,0 +1,9 @@
+{
+  "computer_running": {
+    "subtitle": "sounds.neocomputers.computer_running",
+    "category": "ambient",
+    "sounds": [
+      {"name": "neocomputers:computer_running", "stream": true}
+    ]
+  }
+}