Fix packet receiver

SpigotCore_Main/src/de/steamwar/network/handlers/InventoryHandler.java

@@ -28,28 +28,28 @@ import de.steamwar.network.packets.client.InventoryCallbackPacket;
 import de.steamwar.network.packets.server.InventoryPacket;
 import de.steamwar.sql.SteamwarUser;
 import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.InventoryType;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.UUID;
 
 public class InventoryHandler extends PacketHandler {
 
     @Handler
     public static void handleInventoryPacket(InventoryPacket packet) {
+        Player player = Bukkit.getPlayer(SteamwarUser.get(packet.getPlayer()).getUUID());
         Map<Integer, SWItem> items = new HashMap<>();
         packet.getItems().forEach((i, item) -> {
             @SuppressWarnings("deprecation") SWItem it = SWItem.getItemFromJson(new JsonParser().parse(item).getAsJsonObject());
-            it.setCallback(click -> NetworkSender.send(InventoryCallbackPacket.builder().owner(packet.getPlayer()).position(i).type(InventoryCallbackPacket.CallbackType.CLICK).clickType(InventoryCallbackPacket.ClickType.getByName(click.name())).build()));
+            it.setCallback(click -> NetworkSender.send(InventoryCallbackPacket.builder().owner(packet.getPlayer()).position(i).type(InventoryCallbackPacket.CallbackType.CLICK).clickType(InventoryCallbackPacket.ClickType.getByName(click.name())).build(), player));
             items.put(i, it);
         });
-        UUID player = SteamwarUser.get(packet.getPlayer()).getUUID();
 
-        SWInventory inventory = new SWInventory(Bukkit.getPlayer(player), packet.getSize(), packet.getTitle(), items);
+        SWInventory inventory = new SWInventory(player, packet.getSize(), packet.getTitle(), items);
         inventory.addCloseCallback(click -> {
-            if(Bukkit.getPlayer(player).getOpenInventory().getType() != InventoryType.CHEST)
-                NetworkSender.send(InventoryCallbackPacket.builder().owner(packet.getPlayer()).type(InventoryCallbackPacket.CallbackType.CLOSE).build());
+            if(player.getOpenInventory().getType() != InventoryType.CHEST)
+                NetworkSender.send(InventoryCallbackPacket.builder().owner(packet.getPlayer()).type(InventoryCallbackPacket.CallbackType.CLOSE).build(), player);
         });
         inventory.open();
     }