Made wrenching an Adapter's side turn it off.

For #1851.
No texture changes yet, but client sync is in place.

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

@@ -42,6 +42,7 @@ object PacketHandler extends CommonPacketHandler {
   override def dispatch(p: PacketParser) {
     p.packetType match {
       case PacketType.AbstractBusState => onAbstractBusState(p)
+      case PacketType.AdapterState => onAdapterState(p)
       case PacketType.Analyze => onAnalyze(p)
       case PacketType.ChargerState => onChargerState(p)
       case PacketType.ClientLog => onClientLog(p)
@@ -102,6 +103,14 @@ object PacketHandler extends CommonPacketHandler {
       case _ => // Invalid packet.
     }
 
+  def onAdapterState(p: PacketParser) =
+    p.readTileEntity[Adapter]() match {
+      case Some(t) =>
+        t.openSides = t.uncompressSides(p.readByte())
+        t.world.markBlockForUpdate(t.x, t.y, t.z)
+      case _ => // Invalid packet.
+    }
+
   def onAnalyze(p: PacketParser) {
     val address = p.readUTF()
     if (Keyboard.isKeyDown(Keyboard.KEY_LCONTROL) || Keyboard.isKeyDown(Keyboard.KEY_LCONTROL)) {

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

@@ -4,6 +4,7 @@ object PacketType extends Enumeration {
   val
   // Server -> Client
   AbstractBusState,
+  AdapterState,
   Analyze,
   ChargerState,
   ClientLog,

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

@@ -2,7 +2,10 @@ package li.cil.oc.common.block
 
 import li.cil.oc.common.GuiType
 import li.cil.oc.common.tileentity
+import li.cil.oc.integration.util.Wrench
+import li.cil.oc.util.BlockPosition
 import net.minecraft.block.Block
+import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.world.IBlockAccess
 import net.minecraft.world.World
 import net.minecraftforge.common.util.ForgeDirection
@@ -44,6 +47,22 @@ class Adapter extends SimpleBlock with traits.GUI {
       case _ => // Ignore.
     }
 
+  override def onBlockActivated(world: World, x: Int, y: Int, z: Int, player: EntityPlayer, side: ForgeDirection, hitX: Float, hitY: Float, hitZ: Float) = {
+    if (Wrench.holdsApplicableWrench(player, BlockPosition(x, y, z))) {
+      val sideToToggle = if (player.isSneaking) side.getOpposite else side
+      world.getTileEntity(x, y, z) match {
+        case adapter: tileentity.Adapter =>
+          if (!world.isRemote) {
+            val oldValue = adapter.openSides(sideToToggle.ordinal())
+            adapter.setSideOpen(sideToToggle, !oldValue)
+          }
+          true
+        case _ => false
+      }
+    }
+    else super.onBlockActivated(world, x, y, z, player, side, hitX, hitY, hitZ)
+  }
+
   private val sides = Array(
     ForgeDirection.NORTH,
     ForgeDirection.DOWN,

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

@@ -13,6 +13,7 @@ import li.cil.oc.api.internal
 import li.cil.oc.api.network.Analyzable
 import li.cil.oc.api.network._
 import li.cil.oc.common.Slot
+import li.cil.oc.server.{PacketSender => ServerPacketSender}
 import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NBTTagCompound
@@ -23,7 +24,7 @@ import net.minecraftforge.common.util.ForgeDirection
 import scala.collection.convert.WrapAsJava._
 import scala.collection.mutable
 
-class Adapter extends traits.Environment with traits.ComponentInventory with Analyzable with internal.Adapter with DeviceInfo {
+class Adapter extends traits.Environment with traits.ComponentInventory with traits.OpenSides with Analyzable with internal.Adapter with DeviceInfo {
   val node = api.Network.newNode(this, Visibility.Network).create()
 
   private val blocks = Array.fill[Option[(ManagedEnvironment, api.driver.SidedBlock)]](6)(None)
@@ -43,6 +44,22 @@ class Adapter extends traits.Environment with traits.ComponentInventory with Ana
 
   // ----------------------------------------------------------------------- //
 
+  override protected def defaultState = true
+
+  override def setSideOpen(side: ForgeDirection, value: Boolean) {
+    super.setSideOpen(side, value)
+    if (isServer) {
+      ServerPacketSender.sendAdapterState(this)
+      world.playSoundEffect(x + 0.5, y + 0.5, z + 0.5, "tile.piston.out", 0.5f, world.rand.nextFloat() * 0.25f + 0.7f)
+      world.notifyBlocksOfNeighborChange(x, y, z, block)
+      neighborChanged(side)
+    } else {
+      world.markBlockForUpdate(x, y, z)
+    }
+  }
+
+  // ----------------------------------------------------------------------- //
+
   override def onAnalyze(player: EntityPlayer, side: Int, hitX: Float, hitY: Float, hitZ: Float) = blocks collect {
     case Some(((environment, _))) => environment.node
   }
@@ -74,6 +91,14 @@ class Adapter extends traits.Environment with traits.ComponentInventory with Ana
           Option(api.Driver.driverFor(world, x, y, z, d)) match {
             case Some(newDriver) => blocks(d.ordinal()) match {
               case Some((oldEnvironment, driver)) =>
+                if(!isSideOpen(d)) {
+                  // Good bye.
+                  blocks(d.ordinal()) = None
+                  updatingBlocks -= oldEnvironment
+                  blocksData(d.ordinal()) = None
+                  node.disconnect(oldEnvironment.node)
+                  return
+                }
                 if (newDriver != driver) {
                   // This is... odd. Maybe moved by some other mod? First, clean up.
                   blocks(d.ordinal()) = None
@@ -92,7 +117,7 @@ class Adapter extends traits.Environment with traits.ComponentInventory with Ana
                     node.connect(environment.node)
                   }
                 } // else: the more things change, the more they stay the same.
-              case _ =>
+              case _ if isSideOpen(d) =>
                 // A challenger appears. Maybe.
                 val environment = newDriver.createEnvironment(world, x, y, z, d)
                 if (environment != null) {

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

@@ -1,17 +1,14 @@
 package li.cil.oc.common.tileentity
 
-import cpw.mods.fml.relauncher.Side
-import cpw.mods.fml.relauncher.SideOnly
-import li.cil.oc.Settings
-import li.cil.oc.api
+import cpw.mods.fml.relauncher.{Side, SideOnly}
+import li.cil.oc.{Settings, api}
 import li.cil.oc.api.network.Visibility
 import li.cil.oc.common.EventHandler
 import li.cil.oc.server.{PacketSender => ServerPacketSender}
 import net.minecraft.nbt.NBTTagCompound
 import net.minecraftforge.common.util.ForgeDirection
 
-class NetSplitter extends traits.Environment with traits.RedstoneAware with api.network.SidedEnvironment {
-  private final val SideCount = ForgeDirection.VALID_DIRECTIONS.length
+class NetSplitter extends traits.Environment with traits.OpenSides with traits.RedstoneAware with api.network.SidedEnvironment {
 
   _isOutputEnabled = true
 
@@ -20,19 +17,10 @@ class NetSplitter extends traits.Environment with traits.RedstoneAware with api.
 
   var isInverted = false
 
-  var openSides = Array.fill(SideCount)(false)
+  override def isSideOpen(side: ForgeDirection) =  if (isInverted) !super.isSideOpen(side) else super.isSideOpen(side)
 
-  def compressSides = (ForgeDirection.VALID_DIRECTIONS, openSides).zipped.foldLeft(0)((acc, entry) => acc | (if (entry._2) entry._1.flag else 0)).toByte
-
-  def uncompressSides(byte: Byte) = ForgeDirection.VALID_DIRECTIONS.map(d => (d.flag & byte) != 0)
-
-  def isSideOpen(side: ForgeDirection) = side != ForgeDirection.UNKNOWN && {
-    val isOpen = openSides(side.ordinal())
-    if (isInverted) !isOpen else isOpen
-  }
-
-  def setSideOpen(side: ForgeDirection, value: Boolean): Unit = if (side != ForgeDirection.UNKNOWN && openSides(side.ordinal()) != value) {
-    openSides(side.ordinal()) = value
+  override def setSideOpen(side: ForgeDirection, value: Boolean) {
+    super.setSideOpen(side, value)
     if (isServer) {
       node.remove()
       api.Network.joinOrCreateNetwork(this)
@@ -83,25 +71,21 @@ class NetSplitter extends traits.Environment with traits.RedstoneAware with api.
   override def readFromNBTForServer(nbt: NBTTagCompound): Unit = {
     super.readFromNBTForServer(nbt)
     isInverted = nbt.getBoolean(Settings.namespace + "isInverted")
-    openSides = uncompressSides(nbt.getByte(Settings.namespace + "openSides"))
   }
 
   override def writeToNBTForServer(nbt: NBTTagCompound): Unit = {
     super.writeToNBTForServer(nbt)
     nbt.setBoolean(Settings.namespace + "isInverted", isInverted)
-    nbt.setByte(Settings.namespace + "openSides", compressSides)
   }
 
   @SideOnly(Side.CLIENT) override
   def readFromNBTForClient(nbt: NBTTagCompound): Unit = {
     super.readFromNBTForClient(nbt)
     isInverted = nbt.getBoolean(Settings.namespace + "isInverted")
-    openSides = uncompressSides(nbt.getByte(Settings.namespace + "openSides"))
   }
 
   override def writeToNBTForClient(nbt: NBTTagCompound): Unit = {
     super.writeToNBTForClient(nbt)
     nbt.setBoolean(Settings.namespace + "isInverted", isInverted)
-    nbt.setByte(Settings.namespace + "openSides", compressSides)
   }
 }

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

@@ -0,0 +1,48 @@
+package li.cil.oc.common.tileentity.traits
+
+import cpw.mods.fml.relauncher.{Side, SideOnly}
+import li.cil.oc.Settings
+import net.minecraft.nbt.NBTTagCompound
+import net.minecraftforge.common.util.ForgeDirection
+
+/**
+  * @author Vexatos
+  */
+trait OpenSides extends TileEntity {
+  protected def SideCount = ForgeDirection.VALID_DIRECTIONS.length
+
+  protected def defaultState: Boolean = false
+
+  var openSides = Array.fill(SideCount)(defaultState)
+
+  def compressSides = (ForgeDirection.VALID_DIRECTIONS, openSides).zipped.foldLeft(0)((acc, entry) => acc | (if (entry._2) entry._1.flag else 0)).toByte
+
+  def uncompressSides(byte: Byte) = ForgeDirection.VALID_DIRECTIONS.map(d => (d.flag & byte) != 0)
+
+  def isSideOpen(side: ForgeDirection) = side != ForgeDirection.UNKNOWN && openSides(side.ordinal())
+
+  def setSideOpen(side: ForgeDirection, value: Boolean): Unit = if (side != ForgeDirection.UNKNOWN && openSides(side.ordinal()) != value) {
+    openSides(side.ordinal()) = value
+  }
+
+  override def readFromNBTForServer(nbt: NBTTagCompound) {
+    super.readFromNBTForServer(nbt)
+    openSides = uncompressSides(nbt.getByte(Settings.namespace + "openSides"))
+  }
+
+  override def writeToNBTForServer(nbt: NBTTagCompound) {
+    super.writeToNBTForServer(nbt)
+    nbt.setByte(Settings.namespace + "openSides", compressSides)
+  }
+
+  @SideOnly(Side.CLIENT)
+  override def readFromNBTForClient(nbt: NBTTagCompound) {
+    super.readFromNBTForClient(nbt)
+    openSides = uncompressSides(nbt.getByte(Settings.namespace + "openSides"))
+  }
+
+  override def writeToNBTForClient(nbt: NBTTagCompound) {
+    super.writeToNBTForClient(nbt)
+    nbt.setByte(Settings.namespace + "openSides", compressSides)
+  }
+}

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

@@ -32,6 +32,15 @@ object PacketSender {
     pb.sendToPlayersNearTileEntity(t)
   }
 
+  def sendAdapterState(t: tileentity.Adapter): Unit = {
+    val pb = new SimplePacketBuilder(PacketType.AdapterState)
+
+    pb.writeTileEntity(t)
+    pb.writeByte(t.compressSides)
+
+    pb.sendToPlayersNearTileEntity(t)
+  }
+
   def sendAnalyze(address: String, player: EntityPlayerMP) {
     val pb = new SimplePacketBuilder(PacketType.Analyze)