cases can do stuff now

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

@@ -59,6 +59,8 @@ class CaseBlock() : DeviceBlock(Properties.of().sound(SoundType.METAL).lightLeve
         return level.getBlockEntity(blockPos) as CaseBlockEntity
     }
 
+    override fun isSignalSource(state: BlockState): Boolean = true
+
     override fun getSignal(
         blockState: BlockState,
         blockGetter: BlockGetter,

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

@@ -67,7 +67,7 @@ class RelayEntity(blockPos: BlockPos, blockState: BlockState): SingleDeviceBlock
         override fun received(message: Networking.Message) {
             super.received(message)
             if(message.sender == this) return
-            if(message is Networking.ClassicPacket && message.hopCount <= 5 && queue.size < computeRelayCapacity()) {
+            if(message is Networking.ClassicPacket && message.hopCount < 5 && queue.size < computeRelayCapacity()) {
                 queue.addLast(message)
             }
         }
@@ -103,7 +103,7 @@ class RelayEntity(blockPos: BlockPos, blockState: BlockState): SingleDeviceBlock
             if(connection is ConventionalNetworkDevice) {
                 connection.sendClassicPacket(hopped)
             } else {
-                Networking.emitMessage(connection, hopped)
+                Networking.emitMessage(connection, hopped, setOf(deviceNode))
             }
         }
     }

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

@@ -106,6 +106,13 @@ class CaseBlockEntity(blockPos: BlockPos, blockState: BlockState): SingleDeviceB
                 }
             }
         }
+
+        override fun received(message: Networking.Message) {
+            super.received(message)
+            if(message is Networking.ClassicPacket) {
+                NeoComputers.LOGGER.info("machine $address got $message")
+            }
+        }
     }
 
     val redstoneIn = Array(Direction.entries.size) {0}
@@ -170,6 +177,7 @@ class CaseBlockEntity(blockPos: BlockPos, blockState: BlockState): SingleDeviceB
         }
         // Server-side stuff!!
         sendMachineEvent(MachinePowerEvent(this, isOn))
+        Networking.emitMessage(deviceNode, Networking.ClassicPacket(deviceNode, deviceNode.address.toString(), "fuck you", 1, listOf(), 0))
     }
 
     override fun start(): Boolean {

src/main/kotlin/org/neoflock/neocomputers/network/Networking.kt

@@ -50,8 +50,8 @@ object Networking {
 
     // node may differ from message.sender in the case of relays,
     // as they might have DIRECT reachability but
-    fun emitMessage(deviceNode: DeviceNode, message: Message) {
+    fun emitMessage(deviceNode: DeviceNode, message: Message, exclude: Set<DeviceNode> = setOf()) {
-        deviceNode.getReachable().forEach { it.received(message) }
+        deviceNode.getReachable().forEach { if(it !in exclude) it.received(message) }
     }
 
     fun computeRangeAllowedByHardness(src: BlockPos, dst: BlockPos): Double {