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From 79e01e8729076dc628257287f9f4856ddd913c1c Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 2 Jan 2017 02:07:24 -0500
Subject: [PATCH] MC-111699: Ignore Improper Anvil Item Name Packets
The client is improperly sending Item Name Packets to the server BEFORE
the click event. This causes the server to reset before the click event is processed
This breaks the ability to rename more than 1 item at a time.
See: https://bugs.mojang.com/browse/MC-111699
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 964de593b..87683b20b 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -2434,7 +2434,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
String s4 = SharedConstants.a(packetplayincustompayload.b().e(32767));
if (s4.length() <= 30) {
- containeranvil.a(s4);
+ if (!s4.isEmpty() || containeranvil.getSlot(2).getItem().isEmpty()) containeranvil.a(s4); // Paper - Hack Fix for MC-111699
}
} else {
containeranvil.a("");
--
2.12.0.windows.1
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