Materials for printing (plastic and ink).

src/main/resources/application.conf

@@ -509,6 +509,10 @@ opencomputers {
       # controls the speed at which items are disassembled, basically.
       disassemblerTickAmount: 25
 
+      # The amount of energy the printer can apply per tick. This controls
+      # the speed at which prints are completed, basically.
+      printerTickAmount: 10
+
       # If you don't want OpenComputers to accept power from one or more of the
       # supported power mods, for example because it doesn't suit the vision
       # of your mod pack, you can disable support for them here. To stop

src/main/resources/assets/opencomputers/lang/en_US.lang

@@ -23,6 +23,8 @@ tile.oc.microcontroller.name=Microcontroller
 tile.oc.motionSensor.name=Motion Sensor
 tile.oc.powerConverter.name=Power Converter
 tile.oc.powerDistributor.name=Power Distributor
+tile.oc.print.name=3D Print
+tile.oc.printer.name=3D Printer
 tile.oc.raid.name=Raid
 tile.oc.redstone.name=Redstone I/O
 tile.oc.robot.name=Robot
@@ -66,6 +68,8 @@ item.oc.GraphicsCard2.name=Graphics Card (Tier 3)
 item.oc.HardDiskDrive0.name=Hard Disk Drive (Tier 1)
 item.oc.HardDiskDrive1.name=Hard Disk Drive (Tier 2)
 item.oc.HardDiskDrive2.name=Hard Disk Drive (Tier 3)
+item.oc.InkCartridge.name=Ink Cartidge
+item.oc.InkCartridgeEmpty.name=Ink Cartidge (Empty)
 item.oc.InternetCard.name=Internet Card
 item.oc.Interweb.name=Interweb
 item.oc.IronNugget.name=Iron Nugget
@@ -84,6 +88,7 @@ item.oc.MicrocontrollerCase1.name=Microcontroller Case (Tier 2)
 item.oc.MicrocontrollerCase3.name=Microcontroller Case (Creative)
 item.oc.NetworkCard.name=Network Card
 item.oc.NumPad.name=Numeric Keypad
+item.oc.Plastic.name=Plastic
 item.oc.Present.name=A little something...
 item.oc.PrintedCircuitBoard.name=Printed Circuit Board (PCB)
 item.oc.RawCircuitBoard.name=Raw Circuit Board
@@ -197,6 +202,7 @@ oc:container.Charger=Charger
 oc:container.Case=Computer
 oc:container.Disassembler=Disassembler
 oc:container.DiskDrive=Disk Drive
+oc:container.Printer=Printer
 oc:container.Raid=Raid
 oc:container.Server=Server
 oc:container.ServerRack=Server Rack
@@ -237,6 +243,8 @@ oc:tooltip.DroneCase=This casing is used to build Drones in the assembler. It ha
 oc:tooltip.EEPROM=Small, programmable storage that contains the BIOS computers use to boot.
 oc:tooltip.Geolyzer=Allows scanning the surrounding area's blocks' hardness. This information can be useful for generating holograms of the area or for detecting ores.
 oc:tooltip.GraphicsCard=Used to change what's displayed on screens.[nl] Maximum resolution: §f%sx%s§7[nl] Maximum color depth: §f%s§7[nl] Operations/tick: §f%s§7
+oc:tooltip.InkCartridge=Used to refill ink in 3D printers. For mysterious reasons it does not have to remain in the printer.
+oc:tooltip.InkCartridgeEmpty=This ink cartridge has been sucked dry. Refill it using dyes. Or throw it away. See if I care.
 oc:tooltip.InternetCard=This card allows making HTTP requests and using real TCP sockets.
 oc:tooltip.Interweb=Congratulations, you win one (1) interweb. You can connect to it using an Internet Card. Beware: don't feed the trolls.
 oc:tooltip.IronNugget=A nugget made of iron, that's why it's called an Iron Nugget, duh...
@@ -253,6 +261,7 @@ oc:tooltip.Microcontroller=Microcontrollers are computers boiled down to the ess
 oc:tooltip.MicrocontrollerCase=Base component for building microcontrollers. Place it into an assembler to add further components and assemble a microcontroller.
 oc:tooltip.MotionSensor=Can detect movement of nearby living beings. Requires clear line-of-sight.
 oc:tooltip.NetworkCard=Allows distant computers connected by other blocks (such as cable) to communicate by sending messages to each other.
+oc:tooltip.Plastic=Raw material for 3D prints. Do not swallow. Not that you could even if you wanted to.
 oc:tooltip.PowerAcceptor=Energy conversion speed: §f%s/t§7
 oc:tooltip.PowerConverter.BuildCraft=§fBuildCraft MJ§7: §a%s:%s§7
 oc:tooltip.PowerConverter.Factorization=§fFactorization Charge§7: §a%s:%s§7
@@ -262,6 +271,7 @@ oc:tooltip.PowerConverter.ThermalExpansion=§fThermal Expansion RF§7: §a%s:%s
 oc:tooltip.PowerConverter.ResonantEngine=§fResonant Engine Coulombs§7: §a%s:%s§7
 oc:tooltip.PowerConverter=Converts power from other mods to the internal energy type. Conversion rates:
 oc:tooltip.PowerDistributor=Distributes energy among different networks. This is useful for sharing power fed into your system from one converter among different sub-networks that should remain separate.
+oc:tooltip.Printer=Allows printing blocks of user-defined shapes using plastic and ink cartridges. Must be configured using a computer. Keep away from small children. Because reasons.
 oc:tooltip.PrintedCircuitBoard=The basic building block for expansion cards and memory and such.
 oc:tooltip.Present=... for your troubles. Open this present for a chance to receive some §kphat lewt§7![nl]§8Craft OpenComputers items when the time is right for a chance to receive a present.§7
 oc:tooltip.Raid=Allows combining three hard drives into one larger file system that can be used by all connected computers.

src/main/resources/assets/opencomputers/recipes/default.recipes

@@ -318,6 +318,21 @@ disk {
           [nuggetIron, "", nuggetIron]
           ["", nuggetIron, ""]]
 }
+plastic {
+  input: [[gravel, gravel, gravel],
+          [gravel, {item=coal, subID=1}, gravel],
+          [gravel, water_bucket, gravel]]
+  output: 8
+}
+inkCartridgeEmpty {
+  input: [[nuggetIron, dispenser, nuggetIron],
+          ["oc:materialTransistor", bucket, "oc:materialTransistor"],
+          [nuggetIron, "oc:materialCircuitBoardPrinted", nuggetIron]]
+}
+inkCartridge {
+  type: shapeless
+  input: [dyeCyan, dyeMagenta, dyeYellow, dyeBlack, "oc:inkCartridgeEmpty"]
+}
 
 buttonGroup {
   input: [[button, button, button]

src/main/scala/li/cil/oc/Settings.scala

@@ -139,6 +139,7 @@ class Settings(val config: Config) {
   val solarGeneratorEfficiency = config.getDouble("power.solarGeneratorEfficiency")
   val assemblerTickAmount = config.getDouble("power.assemblerTickAmount") max 1
   val disassemblerTickAmount = config.getDouble("power.disassemblerTickAmount") max 1
+  val printerTickAmount = config.getDouble("power.printerTickAmount") max 1
   val powerModBlacklist = config.getStringList("power.modBlacklist")
 
   // power.buffer

src/main/scala/li/cil/oc/client/PacketHandler.scala

@@ -52,6 +52,7 @@ object PacketHandler extends CommonPacketHandler {
       case PacketType.HologramTranslation => onHologramPositionOffsetY(p)
       case PacketType.PetVisibility => onPetVisibility(p)
       case PacketType.PowerState => onPowerState(p)
+      case PacketType.PrinterState => onPrinterState(p)
       case PacketType.RaidStateChange => onRaidStateChange(p)
       case PacketType.RedstoneState => onRedstoneState(p)
       case PacketType.RobotAnimateSwing => onRobotAnimateSwing(p)
@@ -242,6 +243,14 @@ object PacketHandler extends CommonPacketHandler {
       case _ => // Invalid packet.
     }
 
+  def onPrinterState(p: PacketParser) =
+    p.readTileEntity[Printer]() match {
+      case Some(t) =>
+        if (p.readBoolean()) t.requiredEnergy = 9001
+        else t.requiredEnergy = 0
+      case _ => // Invalid packet.
+    }
+
   def onRaidStateChange(p: PacketParser) =
     p.readTileEntity[Raid]() match {
       case Some(t) =>

src/main/scala/li/cil/oc/client/Textures.scala

@@ -26,6 +26,8 @@ object Textures {
   val guiDrone = new ResourceLocation(Settings.resourceDomain, "textures/gui/drone.png")
   val guiKeyboardMissing = new ResourceLocation(Settings.resourceDomain, "textures/gui/keyboard_missing.png")
   val guiPrinter = new ResourceLocation(Settings.resourceDomain, "textures/gui/printer.png")
+  val guiPrinterInk = new ResourceLocation(Settings.resourceDomain, "textures/gui/printer_ink.png")
+  val guiPrinterPlastic = new ResourceLocation(Settings.resourceDomain, "textures/gui/printer_plastic.png")
   val guiPrinterProgress = new ResourceLocation(Settings.resourceDomain, "textures/gui/printer_progress.png")
   val guiRaid = new ResourceLocation(Settings.resourceDomain, "textures/gui/raid.png")
   val guiRange = new ResourceLocation(Settings.resourceDomain, "textures/gui/range.png")

src/main/scala/li/cil/oc/client/gui/Printer.scala

@@ -3,19 +3,31 @@ package li.cil.oc.client.gui
 import li.cil.oc.Localization
 import li.cil.oc.client.Textures
 import li.cil.oc.client.gui.widget.ProgressBar
-import li.cil.oc.client.{PacketSender => ClientPacketSender}
 import li.cil.oc.common.container
 import li.cil.oc.common.container.ComponentSlot
 import li.cil.oc.common.tileentity
 import net.minecraft.entity.player.InventoryPlayer
-import net.minecraft.util.ResourceLocation
 import org.lwjgl.opengl.GL11
 
 class Printer(playerInventory: InventoryPlayer, val printer: tileentity.Printer) extends DynamicGuiContainer(new container.Printer(playerInventory, printer)) {
   xSize = 176
   ySize = 166
 
-  private val progress = addWidget(new ProgressBar(104, 21) {
+  private val plasticBar = addWidget(new ProgressBar(40, 21) {
+    override def width = 62
+
+    override def height = 12
+
+    override def barTexture = Textures.guiPrinterPlastic
+  })
+  private val inkBar = addWidget(new ProgressBar(40, 53) {
+    override def width = 62
+
+    override def height = 12
+
+    override def barTexture = Textures.guiPrinterInk
+  })
+  private val progressBar = addWidget(new ProgressBar(105, 20) {
     override def width = 46
 
     override def height = 46
@@ -23,7 +35,7 @@ class Printer(playerInventory: InventoryPlayer, val printer: tileentity.Printer)
     override def barTexture = Textures.guiPrinterProgress
   })
 
-  private def assemblerContainer = inventorySlots.asInstanceOf[container.Printer]
+  private def printerContainer = inventorySlots.asInstanceOf[container.Printer]
 
   override def initGui() {
     super.initGui()
@@ -35,27 +47,27 @@ class Printer(playerInventory: InventoryPlayer, val printer: tileentity.Printer)
       Localization.localizeImmediately(printer.getInventoryName),
       8, 6, 0x404040)
     GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS) // Me lazy... prevents NEI render glitch.
-    if (assemblerContainer.isAssembling && func_146978_c(progress.x, progress.y, progress.width, progress.height, mouseX, mouseY)) {
+    if (func_146978_c(plasticBar.x, plasticBar.y, plasticBar.width, plasticBar.height, mouseX, mouseY)) {
       val tooltip = new java.util.ArrayList[String]
-      val timeRemaining = formatTime(assemblerContainer.assemblyRemainingTime)
+      tooltip.add(printerContainer.amountPlastic + "/" + printer.maxAmountPlastic)
-      tooltip.add(Localization.Assembler.Progress(assemblerContainer.assemblyProgress, timeRemaining))
+      copiedDrawHoveringText(tooltip, mouseX - guiLeft, mouseY - guiTop, fontRendererObj)
+    }
+    if (func_146978_c(inkBar.x, inkBar.y, inkBar.width, inkBar.height, mouseX, mouseY)) {
+      val tooltip = new java.util.ArrayList[String]
+      tooltip.add(printerContainer.amountInk + "/" + printer.maxAmountInk)
       copiedDrawHoveringText(tooltip, mouseX - guiLeft, mouseY - guiTop, fontRendererObj)
     }
     GL11.glPopAttrib()
   }
 
-  private def formatTime(seconds: Int) = {
-    // Assembly times should not / rarely exceed one hour, so this is good enough.
-    if (seconds < 60) f"0:$seconds%02d"
-    else f"${seconds / 60}:${seconds % 60}%02d"
-  }
-
   override def drawGuiContainerBackgroundLayer(dt: Float, mouseX: Int, mouseY: Int) {
     GL11.glColor3f(1, 1, 1) // Required under Linux.
     mc.renderEngine.bindTexture(Textures.guiPrinter)
     drawTexturedModalRect(guiLeft, guiTop, 0, 0, xSize, ySize)
-    if (assemblerContainer.isAssembling) progress.level = assemblerContainer.assemblyProgress / 100.0
+    plasticBar.level = printerContainer.amountPlastic / printer.maxAmountPlastic.toDouble
-    else progress.level = 0
+    inkBar.level = printerContainer.amountInk / printer.maxAmountInk.toDouble
+    if (printerContainer.isPrinting) progressBar.level = (System.currentTimeMillis() % 3000) / 3000.0
+    else progressBar.level = 0
     drawWidgets()
     drawInventorySlots()
   }

src/main/scala/li/cil/oc/client/gui/widget/ProgressBar.scala

@@ -16,8 +16,8 @@ class ProgressBar(val x: Int, val y: Int) extends Widget {
   def draw() {
     if (level > 0) {
       val u0 = 0
-      val u1 = width / 256.0 * level
+      val u1 = level
-      val v0 = 1 - height / 256.0
+      val v0 = 0
       val v1 = 1
       val tx = owner.windowX + x
       val ty = owner.windowY + y

src/main/scala/li/cil/oc/common/PacketType.scala

@@ -20,6 +20,7 @@ object PacketType extends Enumeration {
   HologramTranslation,
   PetVisibility, // Goes both ways.
   PowerState,
+  PrinterState,
   RaidStateChange,
   RedstoneState,
   RobotAnimateSwing,

src/main/scala/li/cil/oc/common/Slot.scala

@@ -5,6 +5,7 @@ import li.cil.oc.api.driver
 object Slot {
   val None = driver.item.Slot.None
   val Any = driver.item.Slot.Any
+  val Filtered = "filtered"
 
   val Card = driver.item.Slot.Card
   val ComponentBus = driver.item.Slot.ComponentBus

src/main/scala/li/cil/oc/common/block/Item.scala

@@ -5,6 +5,7 @@ import java.util
 import li.cil.oc.Settings
 import li.cil.oc.api
 import li.cil.oc.client.KeyBindings
+import li.cil.oc.common.item.data.PrintData
 import li.cil.oc.common.item.data.RobotData
 import li.cil.oc.common.tileentity
 import li.cil.oc.util.ItemCosts
@@ -47,6 +48,14 @@ class Item(value: Block) extends ItemBlock(value) {
 
   override def getMetadata(itemDamage: Int) = itemDamage
 
+  override def getItemStackDisplayName(stack: ItemStack): String = {
+    if (api.Items.get(stack) == api.Items.get("print")) {
+      val data = new PrintData(stack)
+      data.label.getOrElse(super.getItemStackDisplayName(stack))
+    }
+    else super.getItemStackDisplayName(stack)
+  }
+
   override def getUnlocalizedName = block match {
     case simple: SimpleBlock => simple.getUnlocalizedName
     case _ => Settings.namespace + "tile"

src/main/scala/li/cil/oc/common/block/Print.scala

@@ -1,6 +1,9 @@
 package li.cil.oc.common.block
 
+import java.util
+
 import li.cil.oc.Settings
+import li.cil.oc.common.item.data.PrintData
 import li.cil.oc.common.tileentity
 import li.cil.oc.util.ExtendedAABB
 import net.minecraft.entity.EntityLivingBase
@@ -11,6 +14,7 @@ import net.minecraft.world.IBlockAccess
 import net.minecraft.world.World
 import net.minecraftforge.common.util.ForgeDirection
 
+import scala.collection.convert.WrapAsJava._
 import scala.reflect.ClassTag
 
 class Print(protected implicit val tileTag: ClassTag[tileentity.Print]) extends SimpleBlock with traits.SpecialBlock with traits.CustomDrops[tileentity.Print] {
@@ -19,6 +23,12 @@ class Print(protected implicit val tileTag: ClassTag[tileentity.Print]) extends
   //  NEI.hide(this)
   setBlockTextureName(Settings.resourceDomain + "GenericTop")
 
+  override protected def tooltipBody(metadata: Int, stack: ItemStack, player: EntityPlayer, tooltip: util.List[String], advanced: Boolean): Unit = {
+    super.tooltipBody(metadata, stack, player, tooltip, advanced)
+    val data = new PrintData(stack)
+    data.tooltip.foreach(s => tooltip.addAll(s.lines.toIterable))
+  }
+
   override def shouldSideBeRendered(world: IBlockAccess, x: Int, y: Int, z: Int, side: ForgeDirection) = true
 
   override def isBlockSolid(world: IBlockAccess, x: Int, y: Int, z: Int, side: ForgeDirection) = true

src/main/scala/li/cil/oc/common/block/Printer.scala

@@ -9,7 +9,7 @@ import net.minecraft.world.IBlockAccess
 import net.minecraft.world.World
 import net.minecraftforge.common.util.ForgeDirection
 
-class Printer extends SimpleBlock with traits.SpecialBlock with traits.PowerAcceptor with traits.StateAware with traits.GUI {
+class Printer extends SimpleBlock with traits.SpecialBlock with traits.StateAware with traits.GUI {
   override protected def customTextures = Array(
     None,
     Some("AssemblerTop"),
@@ -32,8 +32,6 @@ class Printer extends SimpleBlock with traits.SpecialBlock with traits.PowerAcce
 
   // ----------------------------------------------------------------------- //
 
-  override def energyThroughput = Settings.get.assemblerRate
-
   override def guiType = GuiType.Printer
 
   override def hasTileEntity(metadata: Int) = true

src/main/scala/li/cil/oc/common/container/DynamicComponentSlot.scala

@@ -28,7 +28,7 @@ class DynamicComponentSlot(val container: Player, inventory: IInventory, index:
 
   override def getSlotStackLimit =
     slot match {
-      case common.Slot.Tool | common.Slot.Any => super.getSlotStackLimit
+      case common.Slot.Tool | common.Slot.Any | common.Slot.Filtered => super.getSlotStackLimit
       case common.Slot.None => 0
       case _ => 1
     }

src/main/scala/li/cil/oc/common/container/Printer.scala

@@ -2,51 +2,53 @@ package li.cil.oc.common.container
 
 import cpw.mods.fml.relauncher.Side
 import cpw.mods.fml.relauncher.SideOnly
+import li.cil.oc.common.Slot
 import li.cil.oc.common.tileentity
 import li.cil.oc.util.SideTracker
 import net.minecraft.entity.player.InventoryPlayer
 
 class Printer(playerInventory: InventoryPlayer, val printer: tileentity.Printer) extends Player(playerInventory, printer) {
-  addSlotToContainer(18, 19)
+  addSlotToContainer(18, 19, Slot.Filtered)
-  addSlotToContainer(18, 51)
+  addSlotToContainer(18, 51, Slot.Filtered)
   addSlotToContainer(152, 35)
 
   // Show the player's inventory.
   addPlayerInventorySlots(8, 84)
 
-  var isAssembling = false
+  var isPrinting = false
-  var assemblyProgress = 0.0
+  var amountPlastic = 0
-  var assemblyRemainingTime = 0
+  var amountInk = 0
 
   @SideOnly(Side.CLIENT)
   override def updateProgressBar(id: Int, value: Int) {
     super.updateProgressBar(id, value)
     if (id == 0) {
-      isAssembling = value == 1
+      isPrinting = value == 1
     }
 
     if (id == 1) {
-      assemblyProgress = value / 5.0
+      amountPlastic = value
     }
 
     if (id == 2) {
-      assemblyRemainingTime = value
+      amountInk = value
     }
   }
 
   override def detectAndSendChanges() {
     super.detectAndSendChanges()
     if (SideTracker.isServer) {
-      if (isAssembling != printer.isAssembling) {
+      if (isPrinting != printer.isPrinting) {
-        isAssembling = printer.isAssembling
+        isPrinting = printer.isPrinting
-        sendProgressBarUpdate(0, if (isAssembling) 1 else 0)
+        sendProgressBarUpdate(0, if (isPrinting) 1 else 0)
       }
-      val timeRemaining = printer.timeRemaining
+      if (amountPlastic != printer.amountPlastic) {
-      if (math.abs(printer.progress - assemblyProgress) > 0.2 || assemblyRemainingTime != timeRemaining) {
+        amountPlastic = printer.amountPlastic
-        assemblyProgress = printer.progress
+        sendProgressBarUpdate(1, amountPlastic)
-        assemblyRemainingTime = timeRemaining
+      }
-        sendProgressBarUpdate(1, (assemblyProgress * 5).toInt)
+      if (amountInk != printer.amountInk) {
-        sendProgressBarUpdate(2, timeRemaining)
+        amountInk = printer.amountInk
+        sendProgressBarUpdate(2, amountInk)
       }
     }
   }

src/main/scala/li/cil/oc/common/container/StaticComponentSlot.scala

@@ -12,7 +12,7 @@ class StaticComponentSlot(val container: Player, inventory: IInventory, index: I
 
   override def getSlotStackLimit =
     slot match {
-      case common.Slot.Tool | common.Slot.Any => super.getSlotStackLimit
+      case common.Slot.Tool | common.Slot.Any | common.Slot.Filtered => super.getSlotStackLimit
       case common.Slot.None => 0
       case _ => 1
     }

src/main/scala/li/cil/oc/common/init/Items.scala

@@ -470,5 +470,10 @@ object Items extends ItemAPI {
     // 1.4.7
     Recipes.addMultiItem(new item.TabletCase(multi, Tier.Two), "tabletCase2", "oc:tabletCase2")
     registerItem(new item.TabletCase(multi, Tier.Four), "tabletCaseCreative")
+
+    // 1.5.4
+    Recipes.addMultiItem(new item.InkCartridgeEmpty(multi), "inkCartridgeEmpty", "oc:inkCartridgeEmpty")
+    Recipes.addMultiItem(new item.InkCartridge(multi), "inkCartridge", "oc:inkCartridge")
+    Recipes.addMultiItem(new item.Plastic(multi), "plastic", "oc:plastic")
   }
 }

src/main/scala/li/cil/oc/common/item/InkCartridge.scala

@@ -0,0 +1,5 @@
+package li.cil.oc.common.item
+
+class InkCartridge(val parent: Delegator) extends Delegate {
+  override def maxStackSize = 1
+}

src/main/scala/li/cil/oc/common/item/InkCartridgeEmpty.scala

@@ -0,0 +1,5 @@
+package li.cil.oc.common.item
+
+class InkCartridgeEmpty(val parent: Delegator) extends Delegate {
+  override def maxStackSize = 1
+}

src/main/scala/li/cil/oc/common/item/Plastic.scala

@@ -0,0 +1,3 @@
+package li.cil.oc.common.item
+
+class Plastic(val parent: Delegator) extends Delegate

src/main/scala/li/cil/oc/common/tileentity/Printer.scala

@@ -11,6 +11,7 @@ import li.cil.oc.api.machine.Callback
 import li.cil.oc.api.machine.Context
 import li.cil.oc.api.network._
 import li.cil.oc.common.item.data.PrintData
+import li.cil.oc.server.{PacketSender => ServerPacketSender}
 import li.cil.oc.util.ExtendedAABB._
 import li.cil.oc.util.ExtendedNBT._
 import li.cil.oc.util.ItemUtils
@@ -19,18 +20,26 @@ import net.minecraft.nbt.NBTTagCompound
 import net.minecraft.util.AxisAlignedBB
 import net.minecraftforge.common.util.ForgeDirection
 
-class Printer extends traits.Environment with traits.PowerAcceptor with traits.Inventory with traits.Rotatable with SidedEnvironment with traits.StateAware {
+class Printer extends traits.Environment with traits.Inventory with traits.Rotatable with SidedEnvironment with traits.StateAware {
   val node = api.Network.newNode(this, Visibility.Network).
     withComponent("printer3d").
     withConnector(Settings.get.bufferConverter).
     create()
 
+  val maxAmountPlastic = 256000
+  var amountPlastic = 0
+  val maxAmountInk = 100000
+  var amountInk = 0
+
   var data = new PrintData()
   var isActive = false
   var output: Option[ItemStack] = None
   var totalRequiredEnergy = 0.0
   var requiredEnergy = 0.0
 
+  val plasticPerItem = 2000
+  val inkPerCartridge = 50000
+
   val slotPlastic = 0
   val slotInk = 1
   val slotOutput = 2
@@ -42,27 +51,22 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
 
   override def sidedNode(side: ForgeDirection) = if (side != ForgeDirection.UP) node else null
 
-  @SideOnly(Side.CLIENT)
-  override protected def hasConnector(side: ForgeDirection) = canConnect(side)
-
-  override protected def connector(side: ForgeDirection) = Option(if (side != ForgeDirection.UP) node else null)
-
-  override protected def energyThroughput = Settings.get.assemblerRate
-
   override def currentState = {
-    if (isAssembling) util.EnumSet.of(traits.State.IsWorking)
+    if (isPrinting) util.EnumSet.of(traits.State.IsWorking)
-    else if (canAssemble) util.EnumSet.of(traits.State.CanWork)
+    else if (canPrint) util.EnumSet.of(traits.State.CanWork)
     else util.EnumSet.noneOf(classOf[traits.State])
   }
 
   // ----------------------------------------------------------------------- //
 
-  def canAssemble = {
+  def canPrint = {
     val complexity = data.stateOff.size + data.stateOn.size
     complexity > 0 && complexity <= Settings.get.maxPrintComplexity
   }
 
-  def isAssembling = requiredEnergy > 0
+  def isPrinting = (requiredEnergy > 0 || isActive) && Option(getStackInSlot(slotOutput)).fold(true)(stack => {
+    stack.stackSize < stack.getMaxStackSize && output.fold(true)(ItemStack.areItemStackTagsEqual(stack, _))
+  })
 
   def progress = (1 - requiredEnergy / totalRequiredEnergy) * 100
 
@@ -79,7 +83,7 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
 
   @Callback(doc = """function(value:string) -- Set a label for the block being printed.""")
   def setLabel(context: Context, args: Arguments): Array[Object] = {
-    data.label = Option(args.optString(0, null))
+    data.label = Option(args.optString(0, null)).map(_.take(16))
     isActive = false // Needs committing.
     null
   }
@@ -91,7 +95,7 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
 
   @Callback(doc = """function(value:string) -- Set a tooltip for the block being printed.""")
   def setTooltip(context: Context, args: Arguments): Array[Object] = {
-    data.tooltip = Option(args.optString(0, null))
+    data.tooltip = Option(args.optString(0, null)).map(_.take(128))
     isActive = false // Needs committing.
     null
   }
@@ -140,7 +144,7 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
 
   @Callback(doc = """function():boolean -- Commit and begin printing the current configuration.""")
   def commit(context: Context, args: Arguments): Array[Object] = {
-    if (!canAssemble) {
+    if (!canPrint) {
       return result(null, "model invalid")
     }
     isActive = true
@@ -149,8 +153,8 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
 
   @Callback(doc = """function(): string, number or boolean -- The current state of the printer, `busy' or `idle', followed by the progress or model validity, respectively.""")
   def status(context: Context, args: Arguments): Array[Object] = {
-    if (isAssembling) result("busy", progress)
+    if (isPrinting) result("busy", progress)
-    else if (canAssemble) result("idle", true)
+    else if (canPrint) result("idle", true)
     else result("idle", false)
   }
 
@@ -163,47 +167,74 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
   override def updateEntity() {
     super.updateEntity()
 
-    if (world.getTotalWorldTime % Settings.get.tickFrequency == 0) {
+    if (isActive && output.isEmpty) {
-      if (isActive && output.isEmpty) {
+      val totalVolume = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.volume) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.volume)
-        val totalVolume = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.volume) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.volume)
+      val totalSurface = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.surface) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.surface)
-        val totalSurface = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.surface) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.surface)
+      val totalShapes = data.stateOn.size + data.stateOff.size
-        val totalShapes = data.stateOn.size + data.stateOff.size
+
-        // TODO Consume plastic (totalVolume) and ink (totalSurface).
+      if (totalVolume == 0) {
+        isActive = false
+      }
+      else {
+        val plasticRequired = totalVolume
+        val inkRequired = (totalSurface / 6) max 1
+
         totalRequiredEnergy = totalShapes * Settings.get.printShapeCost
         requiredEnergy = totalRequiredEnergy
-        output = Option(data.createItemStack())
-        //        ServerPacketSender.sendRobotAssembling(this, assembling = true)
-      }
 
-      if (output.isDefined) {
+        if (amountPlastic >= plasticRequired && amountInk >= inkRequired) {
-        val want = math.max(1, math.min(requiredEnergy, Settings.get.assemblerTickAmount * Settings.get.tickFrequency))
+          amountPlastic -= plasticRequired
-        val success = Settings.get.ignorePower || node.tryChangeBuffer(-want)
+          amountInk -= inkRequired
-        if (success) {
+          output = Option(data.createItemStack())
-          requiredEnergy -= want
+          ServerPacketSender.sendPrinting(this, printing = true)
         }
-        if (requiredEnergy <= 0) {
+      }
-          val result = getStackInSlot(slotOutput)
+    }
-          if (result == null) {
+
-            setInventorySlotContents(slotOutput, output.get)
+    if (output.isDefined) {
-          }
+      val want = math.max(1, math.min(requiredEnergy, Settings.get.printerTickAmount))
-          else if (output.get.isItemEqual(result) && ItemStack.areItemStackTagsEqual(output.get, result) && result.stackSize < result.getMaxStackSize) {
+      val success = Settings.get.ignorePower || node.tryChangeBuffer(-want)
-            result.stackSize += 1
+      if (success) {
-            markDirty()
+        requiredEnergy -= want
-          }
+      }
-          else {
+      if (requiredEnergy <= 0) {
-            return
+        val result = getStackInSlot(slotOutput)
-          }
+        if (result == null) {
-          requiredEnergy = 0
+          setInventorySlotContents(slotOutput, output.get)
-          output = None
         }
-        //      ServerPacketSender.sendRobotAssembling(this, success && output.isDefined)
+        else if (output.get.isItemEqual(result) && ItemStack.areItemStackTagsEqual(output.get, result) && result.stackSize < result.getMaxStackSize) {
+          result.stackSize += 1
+          markDirty()
+        }
+        else {
+          return
+        }
+        requiredEnergy = 0
+        output = None
+      }
+      ServerPacketSender.sendPrinting(this, success && output.isDefined)
+    }
+
+    if (maxAmountPlastic - amountPlastic >= plasticPerItem) {
+      val plastic = decrStackSize(slotPlastic, 1)
+      if (plastic != null) {
+        amountPlastic += plasticPerItem
+      }
+    }
+
+    if (maxAmountInk - amountInk >= inkPerCartridge) {
+      if (api.Items.get(getStackInSlot(slotInk)) == api.Items.get("inkCartridge")) {
+        setInventorySlotContents(slotInk, api.Items.get("inkCartridgeEmpty").createItemStack(1))
+        amountInk += inkPerCartridge
       }
     }
   }
 
   override def readFromNBTForServer(nbt: NBTTagCompound) {
     super.readFromNBTForServer(nbt)
-    data.load(nbt.getCompoundTag("data"))
+    amountPlastic = nbt.getInteger(Settings.namespace + "amountPlastic")
+    amountInk = nbt.getInteger(Settings.namespace + "amountInk")
+    data.load(nbt.getCompoundTag(Settings.namespace + "data"))
     isActive = nbt.getBoolean(Settings.namespace + "active")
     if (nbt.hasKey(Settings.namespace + "output")) {
       output = Option(ItemUtils.loadStack(nbt.getCompoundTag(Settings.namespace + "output")))
@@ -214,7 +245,9 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
 
   override def writeToNBTForServer(nbt: NBTTagCompound) {
     super.writeToNBTForServer(nbt)
-    nbt.setNewCompoundTag("data", data.save)
+    nbt.setInteger(Settings.namespace + "amountPlastic", amountPlastic)
+    nbt.setInteger(Settings.namespace + "amountInk", amountInk)
+    nbt.setNewCompoundTag(Settings.namespace + "data", data.save)
     nbt.setBoolean(Settings.namespace + "active", isActive)
     output.foreach(stack => nbt.setNewCompoundTag(Settings.namespace + "output", stack.writeToNBT))
     nbt.setDouble(Settings.namespace + "total", totalRequiredEnergy)
@@ -240,8 +273,8 @@ class Printer extends traits.Environment with traits.PowerAcceptor with traits.I
 
   override def isItemValidForSlot(slot: Int, stack: ItemStack) =
     if (slot == 0)
-      true // TODO Plastic
+      api.Items.get(stack) == api.Items.get("plastic")
     else if (slot == 1)
-      true // TODO Color
+      api.Items.get(stack) == api.Items.get("inkCartridge")
     else false
 }

src/main/scala/li/cil/oc/server/PacketSender.scala

@@ -226,6 +226,15 @@ object PacketSender {
     pb.sendToPlayersNearTileEntity(t)
   }
 
+  def sendPrinting(t: tileentity.Printer, printing: Boolean) {
+    val pb = new SimplePacketBuilder(PacketType.PrinterState)
+
+    pb.writeTileEntity(t)
+    pb.writeBoolean(printing)
+
+    pb.sendToPlayersNearHost(t)
+  }
+
   def sendRaidChange(t: tileentity.Raid) {
     val pb = new SimplePacketBuilder(PacketType.RaidStateChange)