From d30766a17a1d9ad55778ceeb3bf511c7385b5ed0 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Thu, 30 Nov 2023 18:39:41 +0100
Subject: [PATCH] Fix ordering issue in login ack send on the server Fixes
 1.20.2+ Fabric servers with Fabric API

Co-authored-by: EnZaXD <60033407+FlorianMichael@users.noreply.github.com>
---
 .../protocol/protocol1_20to1_20_2/Protocol1_20To1_20_2.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20to1_20_2/Protocol1_20To1_20_2.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20to1_20_2/Protocol1_20To1_20_2.java
index 7b3cef96..3a64d92e 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20to1_20_2/Protocol1_20To1_20_2.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20to1_20_2/Protocol1_20To1_20_2.java
@@ -78,7 +78,7 @@ public final class Protocol1_20To1_20_2 extends BackwardsProtocol<ClientboundPac
             wrapper.user().getProtocolInfo().setClientState(State.LOGIN);
 
             // States set to configuration in the base protocol
-            wrapper.create(ServerboundLoginPackets.LOGIN_ACKNOWLEDGED).sendToServer(Protocol1_20To1_20_2.class);
+            wrapper.create(ServerboundLoginPackets.LOGIN_ACKNOWLEDGED).scheduleSendToServer(Protocol1_20To1_20_2.class);
         });
 
         registerClientbound(State.CONFIGURATION, ClientboundConfigurationPackets1_20_2.FINISH_CONFIGURATION.getId(), ClientboundConfigurationPackets1_20_2.FINISH_CONFIGURATION.getId(), wrapper -> {
@@ -118,6 +118,9 @@ public final class Protocol1_20To1_20_2 extends BackwardsProtocol<ClientboundPac
         registerClientbound(State.CONFIGURATION, ClientboundConfigurationPackets1_20_2.KEEP_ALIVE.getId(), -1, wrapper -> {
             wrapper.setPacketType(ClientboundPackets1_19_4.KEEP_ALIVE);
         });
+        registerClientbound(State.CONFIGURATION, ClientboundConfigurationPackets1_20_2.PING.getId(), -1, wrapper -> {
+            wrapper.setPacketType(ClientboundPackets1_19_4.PING);
+        });
         registerClientbound(State.CONFIGURATION, ClientboundConfigurationPackets1_20_2.RESOURCE_PACK.getId(), -1, wrapper -> {
             // Send after join. We have to pretend the client accepted, else the server won't continue...
             wrapper.user().get(ConfigurationPacketStorage.class).setResourcePack(wrapper);