Implement Medicine (from Education Edition) (#5450)

src/item/Medicine.php

@@ -0,0 +1,73 @@
+<?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\data\runtime\RuntimeDataReader;
+use pocketmine\data\runtime\RuntimeDataWriter;
+use pocketmine\entity\Living;
+use pocketmine\player\Player;
+
+class Medicine extends Item implements ConsumableItem{
+
+	private MedicineType $medicineType;
+
+	public function __construct(ItemIdentifier $identifier, string $name){
+		$this->medicineType = MedicineType::EYE_DROPS();
+		parent::__construct($identifier, $name);
+	}
+
+	protected function describeType(RuntimeDataReader|RuntimeDataWriter $w) : void{
+		$w->medicineType($this->medicineType);
+	}
+
+	public function getType() : MedicineType{ return $this->medicineType; }
+
+	/**
+	 * @return $this
+	 */
+	public function setType(MedicineType $type) : self{
+		$this->medicineType = $type;
+		return $this;
+	}
+
+	public function getMaxStackSize() : int{
+		return 1;
+	}
+
+	public function onConsume(Living $consumer) : void{
+		$consumer->getEffects()->remove($this->getType()->getCuredEffect());
+	}
+
+	public function getAdditionalEffects() : array{
+		return [];
+	}
+
+	public function getResidue() : Item{
+		return VanillaItems::GLASS_BOTTLE();
+	}
+
+	public function canStartUsingItem(Player $player) : bool{
+		return $player->getEffects()->has($this->getType()->getCuredEffect());
+	}
+}