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 8badf1d6239eca7e48819860ada3a1ce21c3b4db..c3076b07077873a852c8a59219bd6aa74f2b9212 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 9cce018d0d187a299fb8275b5e0db81d79b91fec..996810340723f9a86f2f8f96d2c7a77fb4bf5e8e 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2346,6 +2346,10 @@ 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 8547e7ff2f1f5b7701fb0f3c3010c14601a5f83e..3d6dd50625a61fa2dccc7ea71e1913733dddf801 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