Added EntityShootBowEvent, made bow require an arrow

src/pocketmine/event/entity/EntityShootBowEvent.php

@@ -0,0 +1,82 @@
+<?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\entity\Living;
+use pocketmine\entity\Projectile;
+use pocketmine\event\Cancellable;
+use pocketmine\item\Bow;
+use pocketmine\item\Item;
+
+class EntityShootBowEventEvent extends EntityEvent implements Cancellable{
+	public static $handlerList = null;
+
+	/** @var Bow */
+	private $bow;
+	/** @var Projectile */
+	private $projectile;
+	/** @var float */
+	private $force;
+
+	/**
+	 * @param Living     $shooter
+	 * @param Bow        $bow
+	 * @param Projectile $projectile
+	 * @param float      $force
+	 */
+	public function __construct(Living $shooter, Bow $bow, Projectile $projectile, $force){
+		$this->entity = $shooter;
+		$this->bow = $bow;
+		$this->projectile = $projectile;
+		$this->force = $force;
+	}
+
+	/**
+	 * @return Living
+	 */
+	public function getEntity(){
+		return $this->entity;
+	}
+
+	/**
+	 * @return Bow
+	 */
+	public function getBow(){
+		return $this->bow;
+	}
+
+	/**
+	 * @return Projectile
+	 */
+	public function getProjectile(){
+		return $this->projectile;
+	}
+
+	/**
+	 * @return float
+	 */
+	public function getForce(){
+		return $this->force;
+	}
+
+
+}