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 e8ebc8588642479f22c6971bb2ea8ba557d9596a..932eb924a9d37130b53949d55c8d9e678900efd2 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 521153303fca35df7d4589abda772cc27b565ede..cb70e6f6b9db9637977eff1eebdf868713fe73c6 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2260,6 +2260,10 @@ 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 e0ee45036b9bf14a6e2013fe291cde0402b85b1f..a9acf052c61b0592da9cf3ade8c4c8f7ba068dad 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