testserver/Spigot-Server-Patches/0408-Fix-AssertionError-whe...

36 lines
1.9 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 24594aa0e9b8741811acfc9f84f4db7552832bd2..aada8d3b08b437f81f68f8e988412c1071287d54 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -1891,6 +1891,7 @@ public abstract class EntityLiving extends Entity {
return this.getEquipment(EnumItemSlot.OFFHAND);
}
+ public 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 6ba6fd6157985ae9d7bb048c2d42b268d08697bc..c2820d45b1b0b95dff5112105f33cf423fb858cb 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -1438,6 +1438,10 @@ public class PlayerConnection implements PacketListenerPlayIn {
if (cancelled) {
this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
} else {
+ // Paper start
+ itemstack = this.player.getItemInHand(enumhand);
+ if (itemstack.isEmpty()) return;
+ // Paper end
this.player.playerInteractManager.a(this.player, worldserver, itemstack, enumhand);
}
// CraftBukkit end