From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 22 Feb 2022 14:21:35 -0800
Subject: [PATCH] Put world into worldlist before initing the world

Some parts of legacy conversion will need the overworld
to get the legacy structure data storage

diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 0ec8f1c94279b75369ab6bae98789c60a971502c..4e2ce30bc67b0033107715a5a2dbb419bdf17a4f 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -644,9 +644,10 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             }
 
             worlddata.setModdedInfo(this.getServerModName(), this.getModdedStatus().shouldReportAsModified());
+            this.addLevel(world); // Paper - Put world into worldlist before initing the world; move up
             this.initWorld(world, worlddata, this.worldData, worldoptions);
 
-            this.addLevel(world);
+            // Paper - Put world into worldlist before initing the world; move up
             this.getPlayerList().addWorldborderListener(world);
 
             if (worlddata.getCustomBossEvents() != null) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index bce783d63dc5d1ed9cda135b22bb78aa1be3ea17..dace717d426c1af257ea2f7728d5e5b7850ba568 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1323,10 +1323,11 @@ public final class CraftServer implements Server {
             return null;
         }
 
+        this.console.addLevel(internal); // Paper - Put world into worldlist before initing the world; move up
         this.console.initWorld(internal, worlddata, worlddata, worlddata.worldGenOptions());
 
         internal.setSpawnSettings(true, true);
-        this.console.addLevel(internal);
+        // Paper - Put world into worldlist before initing the world; move up
 
         this.getServer().prepareLevels(internal.getChunkSource().chunkMap.progressListener, internal);
         internal.entityManager.tick(); // SPIGOT-6526: Load pending entities so they are available to the API