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 f77f4cbdca0b22e0c24acbf08425e2e83ddef449..e7ec98be67ab50c06d90a1bccd023fcd2a2fee93 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -270,6 +270,7 @@ public class ServerPlayer extends Player {
     public boolean joining = true;
     public boolean sentListPacket = false;
     public boolean supressTrackerForLogin = false; // Paper
+    public boolean didPlayerJoinEvent = false; // Gale - EMC - do not process chat/commands before player has joined
     public Integer clientViewDistance;
     // CraftBukkit end
     public boolean isRealPlayer; // Paper
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 9b028f8a5d0bcda9ea1bc28b65587627e31e78b1..ae50f9e62f1275d0cff6f017ec23e4ebcad46a1d 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2343,6 +2343,10 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
             if (this.player.isRemoved() || this.player.getChatVisibility() == ChatVisiblity.HIDDEN) { // CraftBukkit - dead men tell no tales
                 this.send(new ClientboundSystemChatPacket(PaperAdventure.asAdventure(Component.translatable("chat.disabled.options").withStyle(ChatFormatting.RED)), false)); // Paper - Adventure
                 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 683b5d78f9e3dc34e40c54683f64be32317797ac..e0e27beebffdbb8fa534899b451cc59f275faef0 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -342,6 +342,8 @@ 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