From cfc8b4ad5e820bb6a1017096c906bbca69f4a476 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Tue, 30 Jun 2020 11:43:15 +1000
Subject: [PATCH] SPIGOT-5887: ClickType doesn't include off hand swaps

By: md_5 <git@md-5.net>
---
 paper-server/nms-patches/PlayerConnection.patch | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paper-server/nms-patches/PlayerConnection.patch b/paper-server/nms-patches/PlayerConnection.patch
index 5a557edda0..3e77187ab5 100644
--- a/paper-server/nms-patches/PlayerConnection.patch
+++ b/paper-server/nms-patches/PlayerConnection.patch
@@ -1310,8 +1310,8 @@
 +                        }
 +                        break;
 +                    case SWAP:
-+                        if (packetplayinwindowclick.d() >= 0 && packetplayinwindowclick.d() < 9) {
-+                            click = ClickType.NUMBER_KEY;
++                        if ((packetplayinwindowclick.d() >= 0 && packetplayinwindowclick.d() < 9) || packetplayinwindowclick.d() == 40) {
++                            click = (packetplayinwindowclick.d() == 40) ? ClickType.SWAP_OFFHAND : ClickType.NUMBER_KEY;
 +                            Slot clickedSlot = this.player.activeContainer.getSlot(packetplayinwindowclick.c());
 +                            if (clickedSlot.isAllowed(player)) {
 +                                ItemStack hotbar = this.player.inventory.getItem(packetplayinwindowclick.d());