From cda41bf9c964138c0dcbaa0f1e944056fcbfcfea Mon Sep 17 00:00:00 2001
From: basaigh <53559772+basaigh@users.noreply.github.com>
Date: Tue, 8 Apr 2025 21:47:53 +0100
Subject: [PATCH] Fix `Can't join: ByteToMessageCodec$1.decode() did not read
 anything but decoded a message`

---
 .../mcprotocollib/network/netty/PacketEncryptorCodec.java        | 1 +
 1 file changed, 1 insertion(+)

diff --git a/protocol/src/main/java/org/geysermc/mcprotocollib/network/netty/PacketEncryptorCodec.java b/protocol/src/main/java/org/geysermc/mcprotocollib/network/netty/PacketEncryptorCodec.java
index d6a24d980..9c90b2de1 100644
--- a/protocol/src/main/java/org/geysermc/mcprotocollib/network/netty/PacketEncryptorCodec.java
+++ b/protocol/src/main/java/org/geysermc/mcprotocollib/network/netty/PacketEncryptorCodec.java
@@ -47,6 +47,7 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) t
         try {
             config.encryption().decrypt(heapBuf.array(), baseOffset, inBytes, heapBuf.array(), baseOffset);
             out.add(heapBuf);
+            if (in.hasArray()) in.readerIndex(inBytes); // This is required as otherwise the ByteBuf doesn't know it has been read
         } catch (Exception e) {
             heapBuf.release();
             throw e;