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 413a37991d1df6314dd9938e5eb5f28f5b69efb8..e7d6f4e6ac41b183c702d5195e4f94136c22b000 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -643,9 +643,10 @@ 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 9a513feb638c913ee67ff00036efe8d27c3eb5fb..65cb367f0824b4045c436dd66809dd9a3eeccbcd 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1332,10 +1332,11 @@ 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