add setName and getName to robot component

The robot component is only loaded(connected) on computer cases and server racks

closes #2760

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

@@ -84,6 +84,7 @@ object PacketHandler extends CommonPacketHandler {
       case PacketType.RobotInventoryChange => onRobotInventoryChange(p)
       case PacketType.RobotLightChange => onRobotLightChange(p)
       case PacketType.RobotMove => onRobotMove(p)
+      case PacketType.RobotNameChange => onRobotNameChange(p)
       case PacketType.RobotSelectedSlotChange => onRobotSelectedSlotChange(p)
       case PacketType.RotatableState => onRotatableState(p)
       case PacketType.SwitchActivity => onSwitchActivity(p)
@@ -528,6 +529,20 @@ object PacketHandler extends CommonPacketHandler {
       case _ => // Invalid packet.
     }
 
+  def onRobotNameChange(p: PacketParser) = {
+    p.readTileEntity[RobotProxy]() match {
+      case Some(t) => {
+        val len = p.readShort()
+        val name = new Array[Char](len)
+        for (x <- 0 until len) {
+          name(x) = p.readChar()
+        }
+        t.robot.setName(name.mkString)
+      }
+      case _ => // Invalid packet.
+    }
+  }
+
   def onRobotMove(p: PacketParser) = {
     val dimension = p.readInt()
     val x = p.readInt()

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

@@ -45,6 +45,7 @@ object PacketType extends Enumeration {
   RobotInventoryChange,
   RobotLightChange,
   RobotMove,
+  RobotNameChange,
   RobotSelectedSlotChange,
   RotatableState,
   SwitchActivity,

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

@@ -10,6 +10,7 @@ import li.cil.oc.api.machine.Callback
 import li.cil.oc.api.machine.Context
 import li.cil.oc.api.network._
 import li.cil.oc.integration.Mods
+import li.cil.oc.server.{PacketSender => ServerPacketSender}
 import mods.immibis.redlogic.api.wiring.IWire
 import net.minecraft.entity.Entity
 import net.minecraft.entity.player.EntityPlayer
@@ -92,6 +93,19 @@ class RobotProxy(val robot: Robot) extends traits.Computer with traits.PowerInfo
   def isRunning(context: Context, args: Arguments): Array[AnyRef] =
     result(machine.isRunning)
 
+  @Callback(doc = "function(name: string):string -- Sets a new name and returns the old name. Robot must not be running")
+  def setName(context: Context, args: Arguments): Array[AnyRef] = {
+    val oldName = robot.name
+    val newName: String = args.checkString(0)
+    if (machine.isRunning) return result(Unit, "is running")
+    setName(newName)
+    ServerPacketSender.sendRobotNameChange(robot)
+    result(oldName)
+  }
+
+  @Callback(doc = "function():string -- Returns the robot name.")
+  def getName(context: Context, args: Arguments): Array[AnyRef] = result(robot.name)
+
   override def onMessage(message: Message) {
     super.onMessage(message)
     if (message.name == "network.message" && message.source != this.node) message.data match {

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

@@ -549,6 +549,20 @@ object PacketSender {
     pb.sendToPlayersNearTileEntity(t, Option(64))
   }
 
+  def sendRobotNameChange(t: tileentity.Robot) {
+    val pb = new SimplePacketBuilder(PacketType.RobotNameChange)
+
+    pb.writeTileEntity(t.proxy)
+    val name = t.name
+    val len = name.length.toShort
+    pb.writeShort(len)
+    for (x <- 0 until len) {
+      pb.writeChar(name(x))
+    }
+
+    pb.sendToPlayersNearTileEntity(t)
+  }
+
   def sendRobotSelectedSlotChange(t: tileentity.Robot) {
     val pb = new SimplePacketBuilder(PacketType.RobotSelectedSlotChange)