From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Wed, 2 Mar 2016 00:03:55 -0600
Subject: [PATCH] Check online mode before converting and renaming player data


diff --git a/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java b/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
index 86fb11e9e197357871d603c4f8ce778660d507cf..0132eb685dbcf3d3402096bd34513e91d2b20abd 100644
--- a/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
+++ b/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
@@ -56,7 +56,7 @@ public class PlayerDataStorage {
             File file = new File(this.playerDir, player.getStringUUID() + ".dat");
             // Spigot Start
             boolean usingWrongFile = false;
-            if ( !file.exists() )
+            if ( org.bukkit.Bukkit.getOnlineMode() && !file.exists() ) // Paper - Check online mode first
             {
                 file = new File( this.playerDir, java.util.UUID.nameUUIDFromBytes( ( "OfflinePlayer:" + player.getScoreboardName() ).getBytes( "UTF-8" ) ).toString() + ".dat");
                 if ( file.exists() )
