Added Mob Heads

Fixed duplicated items in JSON file

src/pocketmine/tile/Skull.php

@@ -0,0 +1,75 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+namespace pocketmine\tile;
+
+use pocketmine\level\format\FullChunk;
+use pocketmine\nbt\tag\ByteTag;
+use pocketmine\nbt\tag\CompoundTag;
+use pocketmine\nbt\tag\IntTag;
+use pocketmine\nbt\tag\StringTag;
+
+class Skull extends Spawnable{
+	const TYPE_SKELETON = 0;
+	const TYPE_WITHER = 1;
+	const TYPE_ZOMBIE = 2;
+	const TYPE_HUMAN = 3;
+	const TYPE_CREEPER = 4;
+
+	public function __construct(FullChunk $chunk, CompoundTag $nbt){
+		if(!isset($nbt->SkullType)){
+			$nbt->SkullType = new ByteTag("SkullType", 0);
+		}
+		if(!isset($nbt->Rot)){
+			$nbt->Rot = new ByteTag("Rot", 0);
+		}
+		parent::__construct($chunk, $nbt);
+	}
+
+	public function setType($type){
+		if($type >= 0 && $type <= 4){
+			$this->namedtag->SkullType = new ByteTag("SkullType", $type);
+			$this->spawnToAll();
+
+			if($this->chunk){
+				$this->chunk->setChanged();
+				$this->level->clearChunkCache($this->chunk->getX(), $this->chunk->getZ());
+			}
+			return true;
+		}
+		return false;
+	}
+
+	public function getType(){
+		return $this->namedtag["SkullType"];
+	}
+
+	public function getSpawnCompound(){
+		return new CompoundTag("", [
+			new StringTag("id", Tile::SKULL),
+			$this->namedtag->SkullType,
+			$this->namedtag->Rot,
+			new IntTag("x", (int) $this->x),
+			new IntTag("y", (int) $this->y),
+			new IntTag("z", (int) $this->z)
+		]);
+	}
+}