From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: chickeneer <emcchickeneer@gmail.com>
Date: Tue, 3 Aug 2021 10:39:44 -0500
Subject: [PATCH] Do not process chat/commands before player has joined

Original code by Starlis, licensed under GNU General Public License v3.0
You can find the original code on https://github.com/starlis/empirecraft

diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 1329314774a15be493703dac0031e8849865295f..a3b5b52f7e597dc128281eb8ff9c60e0836bab98 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2210,6 +2210,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
 
             this.send(new ClientboundSystemChatPacket(Component.translatable("chat.disabled.options").withStyle(ChatFormatting.RED), i));
             return false;
+        } else if (!player.didPlayerJoinEvent) { return false; // EMC - do not handle chat messages before they joined
         } else {
             this.player.resetLastActionTime();
             return true;