From a5ba53d765f4ba10385180d6e9dc2d295ad635cf Mon Sep 17 00:00:00 2001
From: nikijaz <nikijaz.dev@gmail.com>
Date: Sun, 29 Jan 2023 13:41:38 +0300
Subject: [PATCH] Restore offline mode support for Fabric servers (#3576)

---
 .../luckperms/fabric/listeners/FabricConnectionListener.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fabric/src/main/java/me/lucko/luckperms/fabric/listeners/FabricConnectionListener.java b/fabric/src/main/java/me/lucko/luckperms/fabric/listeners/FabricConnectionListener.java
index 2f17e5a2d..624a3fe74 100644
--- a/fabric/src/main/java/me/lucko/luckperms/fabric/listeners/FabricConnectionListener.java
+++ b/fabric/src/main/java/me/lucko/luckperms/fabric/listeners/FabricConnectionListener.java
@@ -46,6 +46,7 @@ import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.network.ServerLoginNetworkHandler;
 import net.minecraft.server.network.ServerPlayNetworkHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.util.Uuids;
 
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
@@ -69,7 +70,7 @@ public class FabricConnectionListener extends AbstractConnectionListener {
 
         // Get their profile from the net handler - it should have been initialised by now.
         GameProfile profile = ((ServerLoginNetworkHandlerAccessor) netHandler).getGameProfile();
-        UUID uniqueId = profile.getId();
+        UUID uniqueId = profile.isComplete() ? profile.getId() : Uuids.getOfflinePlayerUuid(profile.getName());
         String username = profile.getName();
 
         if (this.plugin.getConfiguration().get(ConfigKeys.DEBUG_LOGINS)) {