save inventory to bot

client/Bot.php

@@ -3,6 +3,7 @@
 namespace client;
 
 use client\entity\EntityHelpers;
+use client\entity\inventory\PlayerInventory;
 use client\level\Level;
 use pocketmine\entity\Attribute;
 use pocketmine\math\Vector3;
@@ -96,6 +97,9 @@ class Bot
 	/** @var array */
 	public $playersOnline = [];
 
+	/** @var PlayerInventory */
+	private $inventory;
+
 	/**
 	 * Bot constructor.
 	 * @param string $username
@@ -110,6 +114,15 @@ function __construct(string $username = null, string $password = null, Address $
 		$this->address = $address ?? new Address('0.0.0.0', 19130);
 		$this->skin = $skin;
 		$this->level = new Level();
+		$this->inventory = new PlayerInventory();
+	}
+
+	/**
+	 * @return PlayerInventory
+	 */
+	function getInventory(): PlayerInventory
+	{
+		return $this->inventory;
 	}
 
 	/**

client/PocketEditionClient.php

@@ -728,7 +728,7 @@ protected function handleDataPacket(DataPacket $packet): void
 		try {
 			$packet->decode();
 		} catch (Throwable $e) {
-			echo "Error in decode " . $class . PHP_EOL . $e->getMessage() . PHP_EOL;
+			error('Error in decode ' . $class . PHP_EOL . $e->getMessage());
 			return;
 		}
 		if ($packet instanceof PlayStatusPacket) {
@@ -738,10 +738,10 @@ protected function handleDataPacket(DataPacket $packet): void
 		} elseif ($packet instanceof ContainerSetContentPacket) {
 			$player = $this->getPlayer();
 			if ($packet->targetEid === $player->getId()) {
+				$slots = $packet->slots;
 				switch ($packet->windowid) {
 					case ContainerIds::INVENTORY:
-						$slots = $packet->slots;
-						//todo: add slots to cache
+						$player->getInventory()->setAll($slots);
 						break;
 					case ContainerIds::ARMOR:
 						//????

client/entity/inventory/InventoryType.php

@@ -6,6 +6,10 @@
 
 class InventoryType
 {
+	/** @var int */
+	const DEFAULT = -1;
+
+	/** @var int */
 	const CHEST = 0;
 	const DOUBLE_CHEST = 1;
 	const PLAYER = 2;
@@ -36,7 +40,7 @@ class InventoryType
 	 */
 	public static function get($index)
 	{
-		return static::$default[$index] ?? null;
+		return static::$default[$index] ?? static::$default[self::DEFAULT];
 	}
 
 	public static function init()
@@ -46,6 +50,8 @@ public static function init()
 		}
 
 		static::$default = [
+			static::DEFAULT => new InventoryType(0, 'Default', WindowTypes::CONTAINER),
+
 			static::CHEST => new InventoryType(27, 'Chest', WindowTypes::CONTAINER),
 			static::DOUBLE_CHEST => new InventoryType(27 + 27, 'Double Chest', WindowTypes::CONTAINER),
 			static::PLAYER => new InventoryType(36 + 4, 'Player', WindowTypes::INVENTORY), //36 CONTAINER, 4 ARMOR

client/entity/inventory/PlayerInventory.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace client\entity\inventory;
+
+use pocketmine\item\Item;
+
+class PlayerInventory
+{
+	/** @var array */
+	private $slots = [];
+
+	/** @var int */
+	private $type = InventoryType::PLAYER;
+
+	/**
+	 * PlayerInventory constructor.
+	 */
+	function __construct()
+	{
+		$this->slots = array_fill(0, $this->getMax(), new Item(0));
+	}
+
+	/**
+	 * @param array $slots
+	 */
+	function setAll(array $slots = [])
+	{
+		$max = $this->getMax();
+		if (count($slots) !== $max) {
+			error('U need give ' . $max . ' slots to setAll()');
+			return;
+		}
+		$this->slots = $slots;
+	}
+
+	/**
+	 * @return array
+	 */
+	function getAll(): array
+	{
+		return $this->slots;
+	}
+
+	/**
+	 * @param int $slot
+	 * @return mixed
+	 */
+	function getSlot(int $slot): Item
+	{
+		$max = $this->getMax();
+		if ($slot > $max) {
+			error('U call getSlot() with $slot = ' . $slot . ', but max = ' . $max);
+			return new Item(0);
+		}
+		return $this->slots[$slot];
+	}
+
+	/**
+	 * @return InventoryType
+	 */
+	function getType(): InventoryType
+	{
+		return InventoryType::get($this->type);
+	}
+
+	/**
+	 * @return int
+	 */
+	function getMax(): int
+	{
+		return $this->getType()->getDefaultSize();
+	}
+}