From 7905fbdd29726381f86af6ab8b47c881dc8bbf7a Mon Sep 17 00:00:00 2001
From: 64FF00 <64ff00@gmail.com>
Date: Thu, 12 Feb 2015 19:33:44 +0900
Subject: [PATCH] TallGrass blocks should be only placed on grass blocks

---
 src/pocketmine/block/TallGrass.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/pocketmine/block/TallGrass.php b/src/pocketmine/block/TallGrass.php
index faa483f80..bce7fef36 100644
--- a/src/pocketmine/block/TallGrass.php
+++ b/src/pocketmine/block/TallGrass.php
@@ -23,6 +23,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\level\Level;
+use pocketmine\Player;
 
 class TallGrass extends Flowable{
 
@@ -45,6 +46,17 @@ class TallGrass extends Flowable{
 		];
 		return $names[$this->meta & 0x03];
 	}
+	
+	public function place(Item $item, Block $block, Block $target, $face, $fx, $fy, $fz, Player $player = null){
+		$down = $this->getSide(0);
+		if($down->getId() === self::GRASS){
+			$this->getLevel()->setBlock($block, $this, true);
+
+			return true;
+		}
+
+		return false;
+	}
 
 
 	public function onUpdate($type){
@@ -67,4 +79,4 @@ class TallGrass extends Flowable{
 		return [];
 	}
 
-}
\ No newline at end of file
+}