Use short class names for unhandled packet logging, added some documentation

src/pocketmine/network/mcpe/NetworkSession.php

@@ -292,6 +292,4 @@ interface NetworkSession{
 	public function handleStopSound(StopSoundPacket $packet) : bool;
 
 	public function handleSetTitle(SetTitlePacket $packet) : bool;
-
-	public function handleUnknown(UnknownPacket $packet) : bool;
 }

src/pocketmine/network/mcpe/protocol/DataPacket.php

@@ -40,6 +40,10 @@ abstract class DataPacket extends BinaryStream{
 		return $this::NETWORK_ID;
 	}
 
+	public function getName() : string{
+		return (new \ReflectionClass($this))->getShortName();
+	}
+
 	public function canBeBatched() : bool{
 		return true;
 	}
@@ -52,6 +56,16 @@ abstract class DataPacket extends BinaryStream{
 
 	abstract public function decode();
 
+	/**
+	 * Performs handling for this packet. Usually you'll want an appropriately named method in the NetworkSession for this.
+	 *
+	 * This method returns a bool to indicate whether the packet was handled or not. If the packet was unhandled, a debug message will be logged with a hexdump of the packet.
+	 * Typically this method returns the return value of the handler in the supplied NetworkSession. See other packets for examples how to implement this.
+	 *
+	 * @param NetworkSession $session
+	 *
+	 * @return bool true if the packet was handled successfully, false if not.
+	 */
 	abstract public function handle(NetworkSession $session) : bool;
 
 	public function reset(){

src/pocketmine/network/mcpe/protocol/UnknownPacket.php

@@ -37,6 +37,10 @@ class UnknownPacket extends DataPacket{
 		return self::NETWORK_ID;
 	}
 
+	public function getName() : string{
+		return "unknown packet";
+	}
+
 	public function decode(){
 		$this->offset -= 1; //Rewind one byte so we can read the PID
 		$this->payload = $this->get(true);
@@ -48,6 +52,6 @@ class UnknownPacket extends DataPacket{
 	}
 
 	public function handle(NetworkSession $session) : bool{
-		return $session->handleUnknown($this);
+		return false;
 	}
 }