From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Tue, 29 Nov 2022 15:33:32 +0100
Subject: [PATCH] Do not process chat/commands before player has joined

License: MIT (https://opensource.org/licenses/MIT)
Gale - https://galemc.org

This patch is based on the following patch:
"Do not process chat/commands before player has joined"
By: chickeneer <emcchickeneer@gmail.com>
As part of: EmpireCraft (https://github.com/starlis/empirecraft)
Licensed under: MIT (https://opensource.org/licenses/MIT)

diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index deb9a8931bbc6d8687d629fac9787361fc96aae6..06b9fdd33fe888d298dfd24a67702a610233f10d 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -275,6 +275,7 @@ public class ServerPlayer extends Player {
     public boolean joining = true;
     public boolean sentListPacket = false;
     public boolean supressTrackerForLogin = false; // Paper - Fire PlayerJoinEvent when Player is actually ready
+    public boolean didPlayerJoinEvent = false; // Gale - EMC - do not process chat/commands before player has joined
     // CraftBukkit end
     public boolean isRealPlayer; // Paper
     public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index f6b847f9cf1a97f186ba9a9d1d540ef56c41ebc4..6082637bfd19f7ea6eb1b76c615f56a6454643e6 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2274,6 +2274,10 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
         if (this.player.isRemoved() || this.player.getChatVisibility() == ChatVisiblity.HIDDEN) { // CraftBukkit - dead men tell no tales
             this.send(new ClientboundSystemChatPacket(Component.translatable("chat.disabled.options").withStyle(ChatFormatting.RED), false));
             return Optional.empty();
+            // Gale start - EMC - do not process chat/commands before player has joined
+        } else if (!player.didPlayerJoinEvent) {
+            return Optional.empty();
+            // Gale end - EMC - do not process chat/commands before player has joined
         } else {
             this.player.resetLastActionTime();
             return optional;
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 91feb12732564c90656da487664dbc12e55397fc..c34fa92849a917e6269390b94360de9f047fb316 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -347,6 +347,8 @@ public abstract class PlayerList {
             return;
         }
 
+        player.didPlayerJoinEvent = true; // Gale - EMC - do not process chat/commands before player has joined
+
         final net.kyori.adventure.text.Component jm = playerJoinEvent.joinMessage();
 
         if (jm != null && !jm.equals(net.kyori.adventure.text.Component.empty())) { // Paper - Adventure