add save slot inventory

client/PocketEditionClient.php

@@ -7,6 +7,7 @@
 use client\entity\inventory\utils\ContainerIds;
 use client\utils\PlayerLocation;
 use Exception;
+use pocketmine\item\Item;
 use pocketmine\network\mcpe\protocol\AddPlayerPacket;
 use pocketmine\network\mcpe\protocol\AdventureSettingsPacket;
 use pocketmine\network\mcpe\protocol\AnimatePacket;
@@ -747,15 +748,30 @@ protected function handleDataPacket(DataPacket $packet): void
 						$player->getArmor()->setAll($slots);
 						break;
 					default:
-						mess('CONTAINER_ID', $packet->windowid);
+						mess('CONTENT_CONTAINER_ID', $packet->windowid);
 						break;
 				}
 			}
 			return;
 		} elseif ($packet instanceof ContainerSetSlotPacket) {
-			//todo
+			$player = $this->getPlayer();
+			$slot = $packet->slot;
+			$item = $packet->item;
+			if (!$item instanceof Item) return;
+			switch ($packet->windowid) {
+				case ContainerIds::INVENTORY:
+					$player->getInventory()->saveSlot($slot, $item);
+					break;
+				case ContainerIds::ARMOR:
+					$player->getArmor()->saveSlot($slot, $item);
+					break;
+				default:
+					mess('SLOT_CONTAINER_ID', $packet->windowid);
+					break;
+			}
+			return;
 		} elseif ($packet instanceof ContainerSetDataPacket) {
-			//todo
+			//furnace change icons
 		} elseif ($packet instanceof RespawnPacket) {
 			//todo
 		} elseif ($packet instanceof DisconnectPacket) {

client/entity/inventory/ClientInventory.php

@@ -69,6 +69,21 @@ function getSlot(int $slot): Item
 		return $this->slots[$slot];
 	}
 
+	/**
+	 * @param int $slot
+	 * @param Item $item
+	 * @return bool
+	 */
+	function saveSlot(int $slot, Item $item): bool
+	{
+		if (!isset($this->slots[$slot])) {
+			error('U can\'t save slot = ' . $slot . ' on saveSlot()');
+			return false;
+		}
+		$this->slots[$slot] = $item;
+		return true;
+	}
+
 	/**
 	 * @return InventoryType
 	 */