From 5045157bcbe89633b2bb6a9b6fa23c47292d6bd1 Mon Sep 17 00:00:00 2001
From: AkmalFairuz <akmalf475@gmail.com>
Date: Thu, 26 Oct 2023 22:06:21 +0700
Subject: [PATCH] 1.19.40

---
 src/DisconnectPacket.php | 8 ++++++--
 src/ProtocolInfo.php     | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/DisconnectPacket.php b/src/DisconnectPacket.php
index 80a3faed..95812fc8 100644
--- a/src/DisconnectPacket.php
+++ b/src/DisconnectPacket.php
@@ -37,7 +37,9 @@ public function canBeSentBeforeLogin() : bool{
 	}
 
 	protected function decodePayload(PacketSerializer $in) : void{
-		$this->reason = $in->getVarInt();
+		if($in->getProtocol() >= ProtocolInfo::PROTOCOL_622){
+			$this->reason = $in->getVarInt();
+		}
 		$hideDisconnectionScreen = $in->getBool();
 		if(!$hideDisconnectionScreen){
 			$this->message = $in->getString();
@@ -45,7 +47,9 @@ protected function decodePayload(PacketSerializer $in) : void{
 	}
 
 	protected function encodePayload(PacketSerializer $out) : void{
-		$out->putVarInt($this->reason);
+		if($out->getProtocol() >= ProtocolInfo::PROTOCOL_622){
+			$out->putVarInt($this->reason);
+		}
 		$out->putBool($this->message === null);
 		if($this->message !== null){
 			$out->putString($this->message);
diff --git a/src/ProtocolInfo.php b/src/ProtocolInfo.php
index 90d15508..24d0c5ff 100644
--- a/src/ProtocolInfo.php
+++ b/src/ProtocolInfo.php
@@ -40,6 +40,7 @@ private function __construct(){
 
 	public const BASE_VERSION = '1.18.0';
 
+	public const PROTOCOL_622 = 622; // 1.20.40
 	public const PROTOCOL_618 = 618; // 1.20.30
 	public const PROTOCOL_594 = 594; // 1.20.10
 	public const PROTOCOL_589 = 589; // 1.20.0
@@ -59,6 +60,7 @@ private function __construct(){
 	public const PROTOCOL_475 = 475; // v1.18.0
 
 	public const COMPATIBLE_PROTOCOL = [
+		self::PROTOCOL_622,
 		self::PROTOCOL_618,
 		self::PROTOCOL_594,
 		self::PROTOCOL_589,