From 66e46e1c0751a59ed134d1a1acf044209d5d98aa Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Sun, 26 Aug 2018 18:57:08 +0100
Subject: [PATCH] Level: use chunk records for tile reading in getTileAt() the
 previous revision caused a crash when clicking on the bottom of the world due
 to a block hash being out of bounds.

---
 src/pocketmine/level/Level.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index 9e9514fa9..533febadf 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -2039,7 +2039,7 @@ class Level implements ChunkManager, Metadatable{
 	 * @return Tile|null
 	 */
 	public function getTileAt(int $x, int $y, int $z) : ?Tile{
-		return $this->tiles[Level::blockHash($x, $y, $z)] ?? null;
+		return ($chunk = $this->getChunk($x >> 4, $z >> 4)) !== null ? $chunk->getTile($x & 0x0f, $y, $z & 0x0f) : null;
 	}
 
 	/**