Some tile improvements and added ItemFrame tile

src/pocketmine/tile/ItemFrame.php

@@ -0,0 +1,106 @@
+<?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\item\Item;
+use pocketmine\level\format\FullChunk;
+use pocketmine\nbt\tag\ByteTag;
+use pocketmine\nbt\tag\CompoundTag;
+use pocketmine\nbt\tag\FloatTag;
+use pocketmine\nbt\tag\IntTag;
+use pocketmine\nbt\tag\StringTag;
+
+class ItemFrame extends Spawnable{
+
+	public function __construct(FullChunk $chunk, CompoundTag $nbt){
+		if(!isset($nbt->ItemRotation)){
+			$nbt->ItemRotation = new ByteTag("ItemRotation", 0);
+		}
+
+		if(!isset($nbt->ItemDropChance)){
+			$nbt->ItemDropChance = new FloatTag("ItemDropChance", 1.0);
+		}
+
+		parent::__construct($chunk, $nbt);
+	}
+
+	public function dropItem(){
+		if(lcg_value() < $this->getDropChance() and $this->hasItem()){
+			$this->level->dropItem($this, $this->getItem());
+		}
+		$this->setItem(null);
+	}
+
+	public function hasItem() : bool{
+		return $this->getItem()->getId() !== Item::AIR;
+	}
+
+	public function getItem() : Item{
+		if(isset($this->namedtag->Item)){
+			return Item::nbtDeserialize($this->namedtag->Item);
+		}else{
+			return Item::get(Item::AIR);
+		}
+	}
+
+	public function setItem(Item $item = null){
+		if($item !== null and $item->getId() !== Item::AIR){
+			$this->namedtag->Item = $item->nbtSerialize(-1, "Item");
+		}else{
+			unset($this->namedtag->Item);
+		}
+		$this->onChanged();
+	}
+
+	public function getItemRotation() : int{
+		return $this->namedtag->ItemRotation->getValue();
+	}
+
+	public function setItemRotation(int $rotation){
+		$this->namedtag->ItemRotation = new ByteTag("ItemRotation", $rotation);
+		$this->onChanged();
+	}
+
+	public function getItemDropChance() : float{
+		return $this->namedtag->ItemDropChance->getValue();
+	}
+
+	public function setItemDropChance(float $chance){
+		$this->namedtag->ItemDropChance = new FloatTag("ItemDropChance", $chance);
+		$this->onChanged();
+	}
+
+	public function getSpawnCompound(){
+		$tag = new CompoundTag("", [
+			new StringTag("id", Tile::ITEM_FRAME),
+			new IntTag("x", (int) $this->x),
+			new IntTag("y", (int) $this->y),
+			new IntTag("z", (int) $this->z),
+			$this->namedtag->ItemDropChance,
+			$this->namedtag->ItemRotation,
+		]);
+		if($this->hasItem()){
+			$tag->Item = $this->namedtag->Item;
+		}
+		return $tag;
+	}
+}