added 'drop' signal that is triggered when a mouse button is released after a previous drag signal (and only then!), closes #173

cleaned up power traits a little

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

@@ -109,6 +109,24 @@ object PacketSender {
     pb.sendToServer()
   }
 
+  def sendMouseUp(b: component.Buffer, x: Int, y: Int, button: Int) {
+    val pb = new PacketBuilder(PacketType.MouseUp)
+
+    b.owner match {
+      case t: TextBuffer if t.tier > 0 =>
+        pb.writeTileEntity(t)
+      case t: component.Terminal =>
+        pb.writeTileEntity(t.rack)
+        pb.writeInt(t.number)
+      case _ => return
+    }
+    pb.writeInt(x)
+    pb.writeInt(y)
+    pb.writeByte(button.toByte)
+
+    pb.sendToServer()
+  }
+
   def sendMultiPlace() {
     val pb = new PacketBuilder(PacketType.MultiPartPlace)
     pb.sendToServer()

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

@@ -11,6 +11,8 @@ import org.lwjgl.opengl.GL11
 class Screen(val buffer: common.component.Buffer, val hasMouse: Boolean, val hasPower: () => Boolean) extends Buffer {
   private val bufferMargin = BufferRenderer.margin + BufferRenderer.innerMargin
 
+  private var didDrag = false
+
   private var x, y = 0
 
   private var mx, my = 0
@@ -48,9 +50,21 @@ class Screen(val buffer: common.component.Buffer, val hasMouse: Boolean, val has
     }
   }
 
-  protected override def mouseMovedOrUp(mouseX: Int, mouseY: Int, which: Int) {
-    super.mouseMovedOrUp(mouseX, mouseY, which)
-    if (which == 0) {
+  protected override def mouseMovedOrUp(mouseX: Int, mouseY: Int, button: Int) {
+    super.mouseMovedOrUp(mouseX, mouseY, button)
+    if (button >= 0) {
+      if (didDrag) {
+        val bx = ((mouseX - x - bufferMargin) / scale / MonospaceFontRenderer.fontWidth).toInt + 1
+        val by = ((mouseY - y - bufferMargin) / scale / MonospaceFontRenderer.fontHeight).toInt + 1
+        val (bw, bh) = buffer.resolution
+        if (bx > 0 && by > 0 && bx <= bw && by <= bh) {
+          PacketSender.sendMouseUp(buffer, bx, by, button)
+        }
+        else {
+          PacketSender.sendMouseUp(buffer, -1, -1, button)
+        }
+      }
+      didDrag = false
       mx = 0
       my = 0
     }
@@ -63,6 +77,7 @@ class Screen(val buffer: common.component.Buffer, val hasMouse: Boolean, val has
     if (bx > 0 && by > 0 && bx <= bw && by <= bh) {
       if (bx != mx || by != my) {
         PacketSender.sendMouseClick(buffer, bx, by, mx > 0 && my > 0, button)
+        didDrag = mx > 0 && my > 0
         mx = bx
         my = by
       }

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

@@ -38,6 +38,7 @@ object PacketType extends Enumeration {
   Clipboard,
   MouseClickOrDrag,
   MouseScroll,
+  MouseUp,
   MultiPartPlace,
   RobotStateRequest,
   ServerSide,

src/main/scala/li/cil/oc/common/tileentity/traits/IC2PowerGridAware.scala

@@ -1,9 +0,0 @@
-package li.cil.oc.common.tileentity.traits
-
-import ic2.api.energy.tile.IEnergySink
-import cpw.mods.fml.common.Optional
-
-@Optional.Interface(iface = "ic2.api.energy.tile.IEnergySink", modid = "IC2")
-trait IC2PowerGridAware extends IEnergySink {
-  var addedToPowerGrid = false
-}

src/main/scala/li/cil/oc/common/tileentity/traits/PowerAcceptor.scala

@@ -1,194 +1,7 @@
 package li.cil.oc.common.tileentity.traits
 
-import buildcraft.api.power.{PowerHandler, IPowerReceptor}
-import cofh.api.energy.IEnergyHandler
-import cpw.mods.fml.common.{ModAPIManager, Loader, Optional}
-import cpw.mods.fml.relauncher.{Side, SideOnly}
-import li.cil.oc.api.network.Connector
-import li.cil.oc.server.TickHandler
-import li.cil.oc.Settings
-import net.minecraftforge.common.ForgeDirection
-import universalelectricity.api.energy.{IEnergyContainer, IEnergyInterface}
-
-@Optional.InterfaceList(Array(
-  new Optional.Interface(iface = "buildcraft.api.power.IPowerReceptor", modid = "BuildCraftAPI|power"),
-  new Optional.Interface(iface = "cofh.api.energy.IEnergyHandler", modid = "ThermalExpansion"),
-  new Optional.Interface(iface = "universalelectricity.api.energy.IEnergyInterface", modid = "UniversalElectricity"),
-  new Optional.Interface(iface = "universalelectricity.api.energy.IEnergyContainer", modid = "UniversalElectricity")
-))
-trait PowerAcceptor extends TileEntity with IPowerReceptor with IC2PowerGridAware with IEnergyHandler with IEnergyInterface with IEnergyContainer {
-  @SideOnly(Side.CLIENT)
-  protected def hasConnector(side: ForgeDirection) = false
-
-  protected def connector(side: ForgeDirection): Option[Connector] = None
-
-  // ----------------------------------------------------------------------- //
-
-  private lazy val isIndustrialCraftAvailable = Loader.isModLoaded("IC2")
-
-  private lazy val isBuildCraftAvailable = ModAPIManager.INSTANCE.hasAPI("BuildCraftAPI|power")
-
-  // ----------------------------------------------------------------------- //
-
-  override def updateEntity() {
-    super.updateEntity()
-    if (isServer && !Settings.get.ignorePower) {
-      if (isBuildCraftAvailable && world.getWorldTime % Settings.get.tickFrequency == 0) {
-        for (side <- ForgeDirection.VALID_DIRECTIONS) connector(side) match {
-          case Some(node) =>
-            val demand = node.globalBufferSize - node.globalBuffer
-            if (demand > 1) {
-              node.changeBuffer(getPowerProvider.useEnergy(1, demand.toFloat, true))
-            }
-          case _ =>
-        }
-      }
-      if (isIndustrialCraftAvailable) {
-        loadIC2()
-      }
-    }
-  }
-
-  override def invalidate() {
-    super.invalidate()
-    if (isIndustrialCraftAvailable) {
-      unloadIC2()
-    }
-  }
-
-  override def onChunkUnload() {
-    super.onChunkUnload()
-    if (isIndustrialCraftAvailable) {
-      unloadIC2()
-    }
-  }
-
-  // ----------------------------------------------------------------------- //
-  // BuildCraft
-
-  private var powerHandler: Option[AnyRef] = None
-
-  @Optional.Method(modid = "BuildCraftAPI|power")
-  def getPowerProvider = {
-    if (powerHandler.isEmpty) {
-      val handler = new PowerHandler(this, PowerHandler.Type.MACHINE)
-      if (handler != null) {
-        handler.configure(1, 320, Float.MaxValue, 640)
-        handler.configurePowerPerdition(0, 0)
-        powerHandler = Some(handler)
-      }
-    }
-    if (powerHandler.isDefined) powerHandler.get.asInstanceOf[PowerHandler]
-    else null
-  }
-
-  @Optional.Method(modid = "BuildCraftAPI|power")
-  def getPowerReceiver(side: ForgeDirection) =
-    if (!Settings.get.ignorePower && (if (isClient) hasConnector(side) else connector(side).isDefined))
-      getPowerProvider.getPowerReceiver
-    else null
-
-  // Don't strip, also defined by AbstractBusAware trait.
-  def getWorld = worldObj
-
-  @Optional.Method(modid = "BuildCraftAPI|power")
-  def doWork(workProvider: PowerHandler) {}
-
-  // ----------------------------------------------------------------------- //
-  // IndustrialCraft2
-
-  @Optional.Method(modid = "IC2")
-  def loadIC2() {
-    if (!addedToPowerGrid) TickHandler.scheduleIC2Add(this)
-  }
-
-  @Optional.Method(modid = "IC2")
-  def unloadIC2() {
-    if (addedToPowerGrid) TickHandler.scheduleIC2Remove(this)
-  }
-
-  @Optional.Method(modid = "IC2")
-  def getMaxSafeInput = Integer.MAX_VALUE
-
-  @Optional.Method(modid = "IC2")
-  def acceptsEnergyFrom(emitter: net.minecraft.tileentity.TileEntity, direction: ForgeDirection) = canConnect(direction, null)
-
-  @Optional.Method(modid = "IC2")
-  def demandedEnergyUnits = {
-    if (Settings.get.ignorePower || isClient) 0
-    else {
-      var maxDemand = 0.0
-      for (side <- ForgeDirection.VALID_DIRECTIONS) connector(side) match {
-        case Some(node) =>
-          maxDemand = math.max(maxDemand, node.globalBufferSize - node.globalBuffer)
-        case _ =>
-      }
-      maxDemand * Settings.ratioBC / Settings.ratioIC2
-    }
-  }
-
-  @Optional.Method(modid = "IC2")
-  def injectEnergyUnits(directionFrom: ForgeDirection, amount: Double) =
-    amount - onReceiveEnergy(directionFrom, (amount * Settings.ratioIC2).toLong, doReceive = true) / Settings.ratioIC2
-
-  // ----------------------------------------------------------------------- //
-  // Thermal Expansion
-
-  @Optional.Method(modid = "ThermalExpansion")
-  def receiveEnergy(from: ForgeDirection, maxReceive: Int, simulate: Boolean) =
-    (onReceiveEnergy(from, (maxReceive * Settings.ratioTE).toLong, !simulate) / Settings.ratioTE).toInt
-
-  @Optional.Method(modid = "ThermalExpansion")
-  def extractEnergy(from: ForgeDirection, maxExtract: Int, simulate: Boolean) =
-    (onExtractEnergy(from, (maxExtract * Settings.ratioTE).toLong, !simulate) / Settings.ratioTE).toInt
-
-  @Optional.Method(modid = "ThermalExpansion")
-  def canInterface(from: ForgeDirection) = canConnect(from, this)
-
-  @Optional.Method(modid = "ThermalExpansion")
-  def getEnergyStored(from: ForgeDirection) = (getEnergy(from) / Settings.ratioTE).toInt
-
-  @Optional.Method(modid = "ThermalExpansion")
-  def getMaxEnergyStored(from: ForgeDirection) = (getEnergyCapacity(from) / Settings.ratioTE).toInt
-
-  // ----------------------------------------------------------------------- //
-  // Universal Electricity
-
-  override def canConnect(direction: ForgeDirection, source: AnyRef) =
-    !Settings.get.ignorePower && direction != null && direction != ForgeDirection.UNKNOWN &&
-      (if (isClient) hasConnector(direction) else connector(direction).isDefined)
-
-  override def onReceiveEnergy(from: ForgeDirection, receive: Long, doReceive: Boolean) =
-    if (isClient || Settings.get.ignorePower) 0
-    else connector(from) match {
-      case Some(node) =>
-        val energy = receive / Settings.ratioBC
-        if (doReceive) {
-          val surplus = node.changeBuffer(energy)
-          (receive - surplus * Settings.ratioBC).toLong
-        }
-        else {
-          val space = node.globalBufferSize - node.globalBuffer
-          math.min(receive, space * Settings.ratioBC).toLong
-        }
-      case _ => 0
-    }
-
-  override def onExtractEnergy(from: ForgeDirection, extract: Long, doExtract: Boolean) = 0
-
-  override def setEnergy(from: ForgeDirection, energy: Long) {}
-
-  override def getEnergy(from: ForgeDirection) =
-    if (isClient) 0
-    else connector(from) match {
-      case Some(node) => (node.globalBuffer * Settings.ratioBC).toLong
-      case _ => 0
-    }
-
-  override def getEnergyCapacity(from: ForgeDirection) =
-    if (isClient) 0
-    else connector(from) match {
-      case Some(node) => (node.globalBufferSize * Settings.ratioBC).toLong
-      case _ => 0
-    }
-}
+trait PowerAcceptor
+  extends power.UniversalElectricity
+  with power.BuildCraft
+  with power.IndustrialCraft2
+  with power.ThermalExpansion

src/main/scala/li/cil/oc/common/tileentity/traits/power/BuildCraft.scala

@@ -0,0 +1,58 @@
+package li.cil.oc.common.tileentity.traits.power
+
+import buildcraft.api.power.{PowerHandler, IPowerReceptor}
+import cpw.mods.fml.common.Optional
+import net.minecraftforge.common.ForgeDirection
+import li.cil.oc.Settings
+
+@Optional.Interface(iface = "buildcraft.api.power.IPowerReceptor", modid = "BuildCraftAPI|power")
+trait BuildCraft extends UniversalElectricity with IPowerReceptor {
+  private var powerHandler: Option[AnyRef] = None
+
+  // ----------------------------------------------------------------------- //
+
+  @Optional.Method(modid = "BuildCraftAPI|power")
+  override def updateEntity() {
+    super.updateEntity()
+    if (isServer && !Settings.get.ignorePower) {
+      if (world.getWorldTime % Settings.get.tickFrequency == 0) {
+        for (side <- ForgeDirection.VALID_DIRECTIONS) connector(side) match {
+          case Some(node) =>
+            val demand = node.globalBufferSize - node.globalBuffer
+            if (demand > 1) {
+              node.changeBuffer(getPowerProvider.useEnergy(1, demand.toFloat, true))
+            }
+          case _ =>
+        }
+      }
+    }
+  }
+
+  // ----------------------------------------------------------------------- //
+
+  @Optional.Method(modid = "BuildCraftAPI|power")
+  def getPowerProvider = {
+    if (powerHandler.isEmpty) {
+      val handler = new PowerHandler(this, PowerHandler.Type.MACHINE)
+      if (handler != null) {
+        handler.configure(1, 320, Float.MaxValue, 640)
+        handler.configurePowerPerdition(0, 0)
+        powerHandler = Some(handler)
+      }
+    }
+    if (powerHandler.isDefined) powerHandler.get.asInstanceOf[PowerHandler]
+    else null
+  }
+
+  @Optional.Method(modid = "BuildCraftAPI|power")
+  def getPowerReceiver(side: ForgeDirection) =
+    if (!Settings.get.ignorePower && (if (isClient) hasConnector(side) else connector(side).isDefined))
+      getPowerProvider.getPowerReceiver
+    else null
+
+  // Don't strip, also defined by AbstractBusAware trait.
+  def getWorld = getWorldObj
+
+  @Optional.Method(modid = "BuildCraftAPI|power")
+  def doWork(workProvider: PowerHandler) {}
+}

src/main/scala/li/cil/oc/common/tileentity/traits/power/IndustrialCraft2.scala

@@ -0,0 +1,58 @@
+package li.cil.oc.common.tileentity.traits.power
+
+import cpw.mods.fml.common.Optional
+import ic2.api.energy.tile.IEnergySink
+import li.cil.oc.server.TickHandler
+import net.minecraftforge.common.ForgeDirection
+import li.cil.oc.Settings
+
+@Optional.Interface(iface = "ic2.api.energy.tile.IEnergySink", modid = "IC2")
+trait IndustrialCraft2 extends UniversalElectricity with IEnergySink {
+  var addedToPowerGrid = false
+
+  // ----------------------------------------------------------------------- //
+
+  @Optional.Method(modid = "IC2")
+  override def validate() {
+    super.validate()
+    if (!addedToPowerGrid) TickHandler.scheduleIC2Add(this)
+  }
+
+  @Optional.Method(modid = "IC2")
+  override def invalidate() {
+    super.invalidate()
+    if (addedToPowerGrid) TickHandler.scheduleIC2Remove(this)
+  }
+
+  @Optional.Method(modid = "IC2")
+  override def onChunkUnload() {
+    super.onChunkUnload()
+    if (addedToPowerGrid) TickHandler.scheduleIC2Remove(this)
+  }
+
+  // ----------------------------------------------------------------------- //
+
+  @Optional.Method(modid = "IC2")
+  def getMaxSafeInput = Integer.MAX_VALUE
+
+  @Optional.Method(modid = "IC2")
+  def acceptsEnergyFrom(emitter: net.minecraft.tileentity.TileEntity, direction: ForgeDirection) = canConnect(direction, null)
+
+  @Optional.Method(modid = "IC2")
+  def demandedEnergyUnits = {
+    if (Settings.get.ignorePower || isClient) 0
+    else {
+      var maxDemand = 0.0
+      for (side <- ForgeDirection.VALID_DIRECTIONS) connector(side) match {
+        case Some(node) =>
+          maxDemand = math.max(maxDemand, node.globalBufferSize - node.globalBuffer)
+        case _ =>
+      }
+      maxDemand * Settings.ratioBC / Settings.ratioIC2
+    }
+  }
+
+  @Optional.Method(modid = "IC2")
+  def injectEnergyUnits(directionFrom: ForgeDirection, amount: Double) =
+    amount - onReceiveEnergy(directionFrom, (amount * Settings.ratioIC2).toLong, doReceive = true) / Settings.ratioIC2
+}

src/main/scala/li/cil/oc/common/tileentity/traits/power/ThermalExpansion.scala

@@ -0,0 +1,26 @@
+package li.cil.oc.common.tileentity.traits.power
+
+import cpw.mods.fml.common.Optional
+import cofh.api.energy.IEnergyHandler
+import net.minecraftforge.common.ForgeDirection
+import li.cil.oc.Settings
+
+@Optional.Interface(iface = "cofh.api.energy.IEnergyHandler", modid = "ThermalExpansion")
+trait ThermalExpansion extends UniversalElectricity with IEnergyHandler {
+  @Optional.Method(modid = "ThermalExpansion")
+  def receiveEnergy(from: ForgeDirection, maxReceive: Int, simulate: Boolean) =
+    (onReceiveEnergy(from, (maxReceive * Settings.ratioTE).toLong, !simulate) / Settings.ratioTE).toInt
+
+  @Optional.Method(modid = "ThermalExpansion")
+  def extractEnergy(from: ForgeDirection, maxExtract: Int, simulate: Boolean) =
+    (onExtractEnergy(from, (maxExtract * Settings.ratioTE).toLong, !simulate) / Settings.ratioTE).toInt
+
+  @Optional.Method(modid = "ThermalExpansion")
+  def canInterface(from: ForgeDirection) = canConnect(from, this)
+
+  @Optional.Method(modid = "ThermalExpansion")
+  def getEnergyStored(from: ForgeDirection) = (getEnergy(from) / Settings.ratioTE).toInt
+
+  @Optional.Method(modid = "ThermalExpansion")
+  def getMaxEnergyStored(from: ForgeDirection) = (getEnergyCapacity(from) / Settings.ratioTE).toInt
+}

src/main/scala/li/cil/oc/common/tileentity/traits/power/UniversalElectricity.scala

@@ -0,0 +1,60 @@
+package li.cil.oc.common.tileentity.traits.power
+
+import cpw.mods.fml.common.Optional
+import cpw.mods.fml.relauncher.{Side, SideOnly}
+import li.cil.oc.api.network.Connector
+import li.cil.oc.Settings
+import net.minecraftforge.common.ForgeDirection
+import universalelectricity.api.energy.{IEnergyInterface, IEnergyContainer}
+import li.cil.oc.common.tileentity.traits.TileEntity
+
+@Optional.InterfaceList(Array(
+  new Optional.Interface(iface = "universalelectricity.api.energy.IEnergyInterface", modid = "UniversalElectricity"),
+  new Optional.Interface(iface = "universalelectricity.api.energy.IEnergyContainer", modid = "UniversalElectricity")
+))
+trait UniversalElectricity extends TileEntity with IEnergyInterface with IEnergyContainer {
+  @SideOnly(Side.CLIENT)
+  protected def hasConnector(side: ForgeDirection) = false
+
+  protected def connector(side: ForgeDirection): Option[Connector] = None
+
+  // ----------------------------------------------------------------------- //
+
+  override def canConnect(direction: ForgeDirection, source: AnyRef) =
+    !Settings.get.ignorePower && direction != null && direction != ForgeDirection.UNKNOWN &&
+      (if (isClient) hasConnector(direction) else connector(direction).isDefined)
+
+  override def onReceiveEnergy(from: ForgeDirection, receive: Long, doReceive: Boolean) =
+    if (isClient || Settings.get.ignorePower) 0
+    else connector(from) match {
+      case Some(node) =>
+        val energy = receive / Settings.ratioBC
+        if (doReceive) {
+          val surplus = node.changeBuffer(energy)
+          (receive - surplus * Settings.ratioBC).toLong
+        }
+        else {
+          val space = node.globalBufferSize - node.globalBuffer
+          math.min(receive, space * Settings.ratioBC).toLong
+        }
+      case _ => 0
+    }
+
+  override def onExtractEnergy(from: ForgeDirection, extract: Long, doExtract: Boolean) = 0
+
+  override def setEnergy(from: ForgeDirection, energy: Long) {}
+
+  override def getEnergy(from: ForgeDirection) =
+    if (isClient) 0
+    else connector(from) match {
+      case Some(node) => (node.globalBuffer * Settings.ratioBC).toLong
+      case _ => 0
+    }
+
+  override def getEnergyCapacity(from: ForgeDirection) =
+    if (isClient) 0
+    else connector(from) match {
+      case Some(node) => (node.globalBufferSize * Settings.ratioBC).toLong
+      case _ => 0
+    }
+}

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

@@ -24,6 +24,7 @@ class PacketHandler extends CommonPacketHandler {
       case PacketType.Clipboard => onClipboard(p)
       case PacketType.MouseClickOrDrag => onMouseClick(p)
       case PacketType.MouseScroll => onMouseScroll(p)
+      case PacketType.MouseUp => onMouseUp(p)
       case PacketType.MultiPartPlace => onMultiPartPlace(p)
       case PacketType.RobotStateRequest => onRobotStateRequest(p)
       case PacketType.ServerRange => onServerRange(p)
@@ -137,6 +138,28 @@ class PacketHandler extends CommonPacketHandler {
     }
   }
 
+  def onMouseUp(p: PacketParser) {
+    p.player match {
+      case player: EntityPlayerMP =>
+        val node = p.readTileEntity[TileEntity]() match {
+          case Some(t: Screen) => t.origin.node
+          case Some(t: Rack) => t.terminals(p.readInt()).buffer.node
+          case _ => return // Invalid packet.
+        }
+        val x = p.readInt()
+        val y = p.readInt()
+        val what = "drop"
+        val button = p.readByte()
+        if (Settings.get.inputUsername) {
+          node.sendToReachable("computer.checked_signal", player, what, Int.box(x), Int.box(y), Int.box(button), player.getCommandSenderName)
+        }
+        else {
+          node.sendToReachable("computer.checked_signal", player, what, Int.box(x), Int.box(y), Int.box(button))
+        }
+      case _ => // Invalid packet.
+    }
+  }
+
   def onMultiPartPlace(p: PacketParser) {
     p.player match {
       case player: EntityPlayerMP => EventHandler.place(player)

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

@@ -5,7 +5,7 @@ import cpw.mods.fml.common.{FMLCommonHandler, Optional, TickType, ITickHandler}
 import ic2.api.energy.event.{EnergyTileUnloadEvent, EnergyTileLoadEvent}
 import java.util
 import li.cil.oc.api.Network
-import li.cil.oc.common.tileentity.traits.IC2PowerGridAware
+import li.cil.oc.common.tileentity.traits.power
 import net.minecraft.tileentity.TileEntity
 import net.minecraftforge.common.MinecraftForge
 import scala.collection.mutable
@@ -27,7 +27,7 @@ object TickHandler extends ITickHandler {
     }
 
   @Optional.Method(modid = "IC2")
-  def scheduleIC2Add(tileEntity: TileEntity with IC2PowerGridAware) = pending.synchronized {
+  def scheduleIC2Add(tileEntity: power.IndustrialCraft2) = pending.synchronized {
     pending += (() => if (!tileEntity.addedToPowerGrid && !tileEntity.isInvalid) {
       MinecraftForge.EVENT_BUS.post(new EnergyTileLoadEvent(tileEntity))
       tileEntity.addedToPowerGrid = true
@@ -35,7 +35,7 @@ object TickHandler extends ITickHandler {
   }
 
   @Optional.Method(modid = "IC2")
-  def scheduleIC2Remove(tileEntity: TileEntity with IC2PowerGridAware) = pending.synchronized {
+  def scheduleIC2Remove(tileEntity: power.IndustrialCraft2) = pending.synchronized {
     pending += (() => if (tileEntity.addedToPowerGrid) {
       MinecraftForge.EVENT_BUS.post(new EnergyTileUnloadEvent(tileEntity))
       tileEntity.addedToPowerGrid = false