Added ItemDespawnEvent

src/pocketmine/entity/DroppedItem.php

@@ -23,6 +23,7 @@ namespace pocketmine\entity;
 
 use pocketmine\event\entity\EntityDamageEvent;
 use pocketmine\event\entity\EntityRegainHealthEvent;
+use pocketmine\event\entity\ItemDespawnEvent;
 use pocketmine\item\Item;
 use pocketmine\math\Vector3;
 use pocketmine\nbt\tag\Byte;
@@ -105,7 +106,12 @@ class DroppedItem extends Entity{
 			}
 
 			if($this->age > 6000){
-				$this->kill();
+				$this->server->getPluginManager()->callEvent($ev = new ItemDespawnEvent($this));
+				if($ev->isCancelled()){
+					$this->age = 0;
+				}else{
+					$this->kill();
+				}
 			}
 
 		}

src/pocketmine/event/entity/ItemDespawnEvent.php

@@ -0,0 +1,48 @@
+<?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\event\entity;
+
+use pocketmine\block\Block;
+use pocketmine\entity\DroppedItem;
+use pocketmine\entity\Entity;
+use pocketmine\event\Cancellable;
+use pocketmine\level\Position;
+
+class ItemDespawnEvent extends EntityEvent implements Cancellable{
+	public static $handlerList = null;
+
+	/**
+	 * @param DroppedItem $item
+	 */
+	public function __construct(DroppedItem $item){
+		$this->entity = $item;
+
+	}
+
+	/**
+	 * @return DroppedItem
+	 */
+	public function getEntity(){
+		return $this->entity;
+	}
+
+}