Paper/Spigot-Server-Patches/0389-Fix-AssertionError-when-player-hand-set-to-empty-typ.patch
Aikar 1ab021ddca Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears 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:
565a5727 #533: Add consumed item, hand and consumeItem boolean to EntityShootBowEvent

CraftBukkit Changes:
927200a9 #718: Add consumed item, hand and consumeItem boolean to EntityShootBowEvent
2020-08-31 08:30:51 -04:00

36 lines
2.0 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/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index cf2850e21ac93ccc5ec95122f715be78bfdabb99..ad0203c9d61d9651fc81783ea223f161f1a782e4 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2038,6 +2038,7 @@ public abstract class EntityLiving extends Entity {
return predicate.test(this.getItemInMainHand().getItem()) || predicate.test(this.getItemInOffHand().getItem());
}
+ public final ItemStack getItemInHand(EnumHand enumhand) { return this.b(enumhand); } // Paper - OBFHELPER
public ItemStack b(EnumHand enumhand) {
if (enumhand == EnumHand.MAIN_HAND) {
return this.getEquipment(EnumItemSlot.MAINHAND);
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index f1df55cfcaa3218d6e28df1448306a6f6e43ead6..3c7c092d3a2f0bf61fd9f548ff6f37ed7da6d843 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -1468,6 +1468,10 @@ public class PlayerConnection implements PacketListenerPlayIn {
this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
return;
}
+ // Paper start
+ itemstack = this.player.getItemInHand(enumhand);
+ if (itemstack.isEmpty()) return;
+ // Paper end
EnumInteractionResult enuminteractionresult = this.player.playerInteractManager.a(this.player, worldserver, itemstack, enumhand);
if (enuminteractionresult.b()) {