Paper/CraftBukkit-Patches/0100-Use-Offline-Player-Data-Once-if-Required.patch

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From 0e10c12254d2967b89b72797ee49c7b0902ee793 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sun, 13 Apr 2014 14:41:23 +1000
Subject: [PATCH] Use Offline Player Data Once if Required.
If we are online mode and the only copy of player data we can find is the player's offline mode data, we will attempt a once off conversion by reading this data and then renaming the file so it won't be used again.
diff --git a/src/main/java/net/minecraft/server/WorldNBTStorage.java b/src/main/java/net/minecraft/server/WorldNBTStorage.java
index 616b049..e4b3dd5 100644
--- a/src/main/java/net/minecraft/server/WorldNBTStorage.java
+++ b/src/main/java/net/minecraft/server/WorldNBTStorage.java
@@ -200,10 +200,28 @@ public class WorldNBTStorage implements IDataManager, IPlayerFileData {
try {
File file = new File(this.playerDir, entityhuman.getUniqueID().toString() + ".dat");
+ // Spigot Start
+ boolean usingWrongFile = false;
+ if ( !file.exists() )
+ {
+ file = new File( this.playerDir, UUID.nameUUIDFromBytes( ( "OfflinePlayer:" + entityhuman.getName() ).getBytes( "UTF-8" ) ).toString() + ".dat");
+ if ( file.exists() )
+ {
+ usingWrongFile = true;
+ org.bukkit.Bukkit.getServer().getLogger().warning( "Using offline mode UUID file for player " + entityhuman.getName() + " as it is the only copy we can find." );
+ }
+ }
+ // Spigot End
if (file.exists() && file.isFile()) {
nbttagcompound = NBTCompressedStreamTools.a((InputStream) (new FileInputStream(file)));
}
+ // Spigot Start
+ if ( usingWrongFile )
+ {
+ file.renameTo( new File( file.getPath() + ".offline-read" ) );
+ }
+ // Spigot End
} catch (Exception exception) {
WorldNBTStorage.a.warn("Failed to load player data for " + entityhuman.getName());
}
--
2.1.4