From 46af92f78139807ecb874f304ca9a7a1335f9241 Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Fri, 28 Oct 2016 12:17:11 +0100
Subject: [PATCH] Fix dataless crafting and furnace recipes

---
 src/pocketmine/network/protocol/CraftingDataPacket.php | 2 +-
 src/pocketmine/utils/BinaryStream.php                  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pocketmine/network/protocol/CraftingDataPacket.php b/src/pocketmine/network/protocol/CraftingDataPacket.php
index edbec89a4..6699d03eb 100644
--- a/src/pocketmine/network/protocol/CraftingDataPacket.php
+++ b/src/pocketmine/network/protocol/CraftingDataPacket.php
@@ -90,7 +90,7 @@ class CraftingDataPacket extends DataPacket{
 	}
 
 	private static function writeFurnaceRecipe(FurnaceRecipe $recipe, BinaryStream $stream){
-		if($recipe->getInput()->getDamage() !== 0){ //Data recipe
+		if($recipe->getInput()->getDamage() !== null){ //Data recipe
 			$stream->putVarInt($recipe->getInput()->getDamage());
 			$stream->putVarInt($recipe->getInput()->getId());
 			$stream->putSlot($recipe->getResult());
diff --git a/src/pocketmine/utils/BinaryStream.php b/src/pocketmine/utils/BinaryStream.php
index adbe31876..6feb16f2e 100644
--- a/src/pocketmine/utils/BinaryStream.php
+++ b/src/pocketmine/utils/BinaryStream.php
@@ -233,7 +233,7 @@ class BinaryStream extends \stdClass{
 		}
 
 		$this->putVarInt($item->getId());
-		$auxValue = ($item->getDamage() << 8) | $item->getCount();
+		$auxValue = (($item->getDamage() ?? -1) << 8) | $item->getCount();
 		$this->putVarInt($auxValue);
 		$nbt = $item->getCompoundTag();
 		$this->putLShort(strlen($nbt));