Removed pocketmine subdirectory, map PSR-4 style

src/inventory/PlayerInventory.php

@@ -0,0 +1,141 @@
+<?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\inventory;
+
+use pocketmine\entity\Human;
+use pocketmine\item\Item;
+use pocketmine\player\Player;
+
+class PlayerInventory extends BaseInventory{
+
+	/** @var Human */
+	protected $holder;
+
+	/** @var int */
+	protected $itemInHandIndex = 0;
+
+	/**
+	 * @param Human $player
+	 */
+	public function __construct(Human $player){
+		$this->holder = $player;
+		parent::__construct(36);
+	}
+
+	public function isHotbarSlot(int $slot) : bool{
+		return $slot >= 0 and $slot <= $this->getHotbarSize();
+	}
+
+	/**
+	 * @param int $slot
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	private function throwIfNotHotbarSlot(int $slot) : void{
+		if(!$this->isHotbarSlot($slot)){
+			throw new \InvalidArgumentException("$slot is not a valid hotbar slot index (expected 0 - " . ($this->getHotbarSize() - 1) . ")");
+		}
+	}
+
+	/**
+	 * Returns the item in the specified hotbar slot.
+	 *
+	 * @param int $hotbarSlot
+	 *
+	 * @return Item
+	 *
+	 * @throws \InvalidArgumentException if the hotbar slot index is out of range
+	 */
+	public function getHotbarSlotItem(int $hotbarSlot) : Item{
+		$this->throwIfNotHotbarSlot($hotbarSlot);
+		return $this->getItem($hotbarSlot);
+	}
+
+	/**
+	 * Returns the hotbar slot number the holder is currently holding.
+	 * @return int
+	 */
+	public function getHeldItemIndex() : int{
+		return $this->itemInHandIndex;
+	}
+
+	/**
+	 * Sets which hotbar slot the player is currently loading.
+	 *
+	 * @param int  $hotbarSlot 0-8 index of the hotbar slot to hold
+	 * @param bool $send Whether to send updates back to the inventory holder. This should usually be true for plugin calls.
+	 *                    It should only be false to prevent feedback loops of equipment packets between client and server.
+	 *
+	 * @throws \InvalidArgumentException if the hotbar slot is out of range
+	 */
+	public function setHeldItemIndex(int $hotbarSlot, bool $send = true) : void{
+		$this->throwIfNotHotbarSlot($hotbarSlot);
+
+		$this->itemInHandIndex = $hotbarSlot;
+
+		if($this->holder instanceof Player and $send){
+			$this->holder->getNetworkSession()->getInvManager()->syncSelectedHotbarSlot();
+		}
+		foreach($this->holder->getViewers() as $viewer){
+			$viewer->getNetworkSession()->onMobEquipmentChange($this->holder);
+		}
+	}
+
+	/**
+	 * Returns the currently-held item.
+	 *
+	 * @return Item
+	 */
+	public function getItemInHand() : Item{
+		return $this->getHotbarSlotItem($this->itemInHandIndex);
+	}
+
+	/**
+	 * Sets the item in the currently-held slot to the specified item.
+	 *
+	 * @param Item $item
+	 */
+	public function setItemInHand(Item $item) : void{
+		$this->setItem($this->getHeldItemIndex(), $item);
+		foreach($this->holder->getViewers() as $viewer){
+			$viewer->getNetworkSession()->onMobEquipmentChange($this->holder);
+		}
+	}
+
+	/**
+	 * Returns the number of slots in the hotbar.
+	 * @return int
+	 */
+	public function getHotbarSize() : int{
+		return 9;
+	}
+
+	/**
+	 * This override is here for documentation and code completion purposes only.
+	 * @return Human|Player
+	 */
+	public function getHolder(){
+		return $this->holder;
+	}
+}