Paper/Spigot-Server-Patches/0545-Fix-SPIGOT-5824-Bukkit-world-container-is-not-used.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Fri, 10 Jul 2020 13:12:33 -0500
Subject: [PATCH] Fix SPIGOT-5824 Bukkit world-container is not used


diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
index 79ac93c5f2cad09a5dd0450b55c709415d5fb3e6..fcd735098f3f818e68d2d80dab679e8789573e6b 100644
--- a/src/main/java/net/minecraft/server/Main.java
+++ b/src/main/java/net/minecraft/server/Main.java
@@ -92,11 +92,20 @@ public class Main {
                 return;
             }
 
-            File file = (File) optionset.valueOf("universe"); // CraftBukkit
+            // Paper start - fix SPIGOT-5824
+            File file;
+            File userCacheFile = new File("usercache.json");
+            if (optionset.has("universe")) {
+                file = (File) optionset.valueOf("universe"); // CraftBukkit
+                userCacheFile = new File(file, "usercache.json");
+            } else {
+                file = new File(bukkitConfiguration.getString("settings.world-container", "."));
+            }
+            // Paper end - fix SPIGOT-5824
             YggdrasilAuthenticationService yggdrasilauthenticationservice = new com.destroystokyo.paper.profile.PaperAuthenticationService(Proxy.NO_PROXY, UUID.randomUUID().toString()); // Paper
             MinecraftSessionService minecraftsessionservice = yggdrasilauthenticationservice.createMinecraftSessionService();
             GameProfileRepository gameprofilerepository = yggdrasilauthenticationservice.createProfileRepository();
-            UserCache usercache = new UserCache(gameprofilerepository, new File(file, MinecraftServer.b.getName()));
+            UserCache usercache = new UserCache(gameprofilerepository, userCacheFile); // Paper - only move usercache.json into folder if --universe is used, not world-container
             // CraftBukkit start
             String s = (String) Optional.ofNullable(optionset.valueOf("world")).orElse(dedicatedserversettings.getProperties().levelName);
             Convertable convertable = Convertable.a(file.toPath());