PaperMC/patches/server/0337-Fix-AssertionError-when-player-hand-set-to-empty-typ.patch
Jake Potrebic 1c5f8b0fce
Updated Upstream (Bukkit/CraftBukkit) (#7604)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
33a2b476 PR-734: Make PlayerInventory#getItem Nullable

CraftBukkit Changes:
953d3ddc SPIGOT-3034: PlayerKickEvent.setLeaveMessage(String) doesn't actually do anything
2c47af0c SPIGOT-6963: CraftMetaBlockState#getBlockState applied TileEntity ids without the minecraft namespace prefix.
2022-03-16 16:57:51 +01:00

23 lines
1.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lukasz Derlatka <toranktto@gmail.com>
Date: Mon, 11 Nov 2019 16:08:13 +0100
Subject: [PATCH] Fix AssertionError when player hand set to empty type
Fixes an AssertionError when setting the player's item in hand to null or a new ItemStack of Air in PlayerInteractEvent
Fixes GH-2718
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 6ba2266ea2a40cc4e4ad366803420861c2899345..0a41746f630442ed411e0d0c5efe90959191ae99 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1757,6 +1757,10 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
return;
}
+ // Paper start
+ itemstack = this.player.getItemInHand(enumhand);
+ if (itemstack.isEmpty()) return;
+ // Paper end
InteractionResult enuminteractionresult = this.player.gameMode.useItem(this.player, worldserver, itemstack, enumhand);
if (enuminteractionresult.shouldSwing()) {