Implemented Splash Potions

src/pocketmine/item/ItemFactory.php

@@ -219,7 +219,7 @@ class ItemFactory{
 		self::registerItem(new Item(Item::CHORUS_FRUIT_POPPED, 0, "Popped Chorus Fruit"));
 
 		//TODO: DRAGON_BREATH
-		//TODO: SPLASH_POTION
+		self::registerItem(new SplashPotion());
 
 		//TODO: LINGERING_POTION
 

src/pocketmine/item/ProjectileItem.php

@@ -28,6 +28,7 @@ use pocketmine\entity\projectile\Projectile;
 use pocketmine\event\entity\ProjectileLaunchEvent;
 use pocketmine\math\Vector3;
 use pocketmine\network\mcpe\protocol\LevelSoundEventPacket;
+use pocketmine\nbt\tag\CompoundTag;
 use pocketmine\Player;
 
 abstract class ProjectileItem extends Item{
@@ -36,8 +37,18 @@ abstract class ProjectileItem extends Item{
 
 	abstract public function getThrowForce() : float;
 
+	/**
+	 * Helper function to apply extra NBT tags to pass to the created projectile.
+	 *
+	 * @param CompoundTag $tag
+	 */
+	protected function addExtraTags(CompoundTag $tag) : void{
+
+	}
+
 	public function onClickAir(Player $player, Vector3 $directionVector) : bool{
 		$nbt = Entity::createBaseNBT($player->add(0, $player->getEyeHeight(), 0), $directionVector, $player->yaw, $player->pitch);
+		$this->addExtraTags($nbt);
 
 		$projectile = Entity::createEntity($this->getProjectileEntityType(), $player->getLevel(), $nbt, $player);
 		if($projectile !== null){

src/pocketmine/item/SplashPotion.php

@@ -0,0 +1,45 @@
+<?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/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\item;
+
+use pocketmine\nbt\tag\CompoundTag;
+
+class SplashPotion extends ProjectileItem{
+
+	public function __construct(int $meta = 0){
+		parent::__construct(self::SPLASH_POTION, $meta, "Splash Potion");
+	}
+
+	public function getProjectileEntityType() : string{
+		return "ThrownPotion";
+	}
+
+	public function getThrowForce() : float{
+		return 0.5;
+	}
+
+	protected function addExtraTags(CompoundTag $tag) : void{
+		$tag->setShort("PotionId", $this->meta);
+	}
+}