First look: Split up Inventory & InventoryWindow

this unblocks a variety of changes, such as positionless tiles, enhanced APIs on Blocks for inventories, and also eliminates a bunch of cyclic references within the core code.

linked to #5033

src/block/inventory/CartographyTableInventoryWindow.php

@@ -0,0 +1,39 @@
+<?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\block\inventory;
+
+use pocketmine\inventory\SimpleInventory;
+use pocketmine\player\Player;
+use pocketmine\player\TemporaryInventoryWindow;
+use pocketmine\world\Position;
+
+final class CartographyTableInventoryWindow extends BlockInventoryWindow implements TemporaryInventoryWindow{
+
+	public function __construct(
+		Player $viewer,
+		Position $holder
+	){
+		parent::__construct($viewer, new SimpleInventory(2), $holder);
+	}
+}