From 2f53388b9f819cc6074428ebcf0759c41703e84f Mon Sep 17 00:00:00 2001
From: TheMode <themode@outlook.fr>
Date: Sun, 11 Apr 2021 05:46:52 +0200
Subject: [PATCH] Fix velocity IP forwarding

---
 .../packet/client/login/LoginPluginResponsePacket.java        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/minestom/server/network/packet/client/login/LoginPluginResponsePacket.java b/src/main/java/net/minestom/server/network/packet/client/login/LoginPluginResponsePacket.java
index 17b40448c..6b8b93875 100644
--- a/src/main/java/net/minestom/server/network/packet/client/login/LoginPluginResponsePacket.java
+++ b/src/main/java/net/minestom/server/network/packet/client/login/LoginPluginResponsePacket.java
@@ -48,7 +48,7 @@ public class LoginPluginResponsePacket implements ClientPreplayPacket {
 
                 // Velocity
                 if (VelocityProxy.isEnabled() && channel.equals(VelocityProxy.PLAYER_INFO_CHANNEL)) {
-                    if (data != null) {
+                    if (data != null && data.length > 0) {
                         BinaryReader reader = new BinaryReader(data);
                         success = VelocityProxy.checkIntegrity(reader);
                         if (success) {
@@ -103,7 +103,7 @@ public class LoginPluginResponsePacket implements ClientPreplayPacket {
         writer.writeVarInt(messageId);
         writer.writeBoolean(successful);
 
-        if(successful) {
+        if (successful) {
             writer.writeBytes(data);
         }
     }