From 7fcc538a75895c58268a48fda9495ccdbc56d8f4 Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Sat, 17 Mar 2018 16:35:10 +0000
Subject: [PATCH] Level: clone Block object passed to setBlock() if set
 successfully closes #2042

---
 src/pocketmine/level/Level.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index e1ba80a4c..6b5d06a8f 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -1519,6 +1519,8 @@ class Level implements ChunkManager, Metadatable{
 				$pos = $this->temporalPosition->setComponents($pos->x, $pos->y, $pos->z);
 			}
 
+			$block = clone $block;
+
 			$block->position($pos);
 			$block->clearCaches();
 
@@ -1535,7 +1537,7 @@ class Level implements ChunkManager, Metadatable{
 					$this->changedBlocks[$chunkHash] = [];
 				}
 
-				$this->changedBlocks[$chunkHash][$blockHash] = clone $block;
+				$this->changedBlocks[$chunkHash][$blockHash] = $block;
 			}
 
 			foreach($this->getChunkLoaders($pos->x >> 4, $pos->z >> 4) as $loader){