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path: root/patches/api/0278-Implement-Keyed-on-World.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 6 Jan 2021 00:34:10 -0800
Subject: [PATCH] Implement Keyed on World


diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
index b2699b0d82f2cf05a04ded5bc335f91362ddfa9a..ea5745e548b11e4d71737a78e10e53c23bc3eb8e 100644
--- a/src/main/java/org/bukkit/Bukkit.java
+++ b/src/main/java/org/bukkit/Bukkit.java
@@ -751,6 +751,18 @@ public final class Bukkit {
     public static World getWorld(@NotNull UUID uid) {
         return server.getWorld(uid);
     }
+    // Paper start
+    /**
+     * Gets the world from the given NamespacedKey
+     *
+     * @param worldKey the NamespacedKey of the world to retrieve
+     * @return a world with the given NamespacedKey, or null if none exists
+     */
+    @Nullable
+    public static World getWorld(@NotNull NamespacedKey worldKey) {
+        return server.getWorld(worldKey);
+    }
+    // Paper end
 
     /**
      * Gets the map from the given item ID.
diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
index df893601ec71dcc782a7050fb10684c5980105ee..e435df76a752c523b8bc0bd2d2abf35c2460f880 100644
--- a/src/main/java/org/bukkit/Server.java
+++ b/src/main/java/org/bukkit/Server.java
@@ -636,6 +636,17 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
     @Nullable
     public World getWorld(@NotNull UUID uid);
 
+    // Paper start
+    /**
+     * Gets the world from the given NamespacedKey
+     *
+     * @param worldKey the NamespacedKey of the world to retrieve
+     * @return a world with the given NamespacedKey, or null if none exists
+     */
+    @Nullable
+    public World getWorld(@NotNull NamespacedKey worldKey);
+    // Paper end
+
     /**
      * Gets the map from the given item ID.
      *
diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index 9506523227af07667fe2aaa7479f87e4a79b369f..49cbc8c1f05f2d48177f1b8fec25e2e1439be0d8 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -41,7 +41,7 @@ import org.jetbrains.annotations.Nullable;
 /**
  * Represents a world, which may contain entities, chunks and blocks
  */
-public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient, Metadatable, net.kyori.adventure.audience.ForwardingAudience { // Paper
+public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient, Metadatable, net.kyori.adventure.audience.ForwardingAudience, Keyed { // Paper
 
     // Paper start
     /**
@@ -1525,6 +1525,15 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
 
     @NotNull
     java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(int x, int z, boolean gen, boolean urgent);
+
+    /**
+     * Get the world's key
+     *
+     * @return the world's key
+     */
+    @NotNull
+    @Override
+    NamespacedKey getKey();
     // Paper end
 
     /**
diff --git a/src/main/java/org/bukkit/WorldCreator.java b/src/main/java/org/bukkit/WorldCreator.java
index 60bed20c2845f9dc15ecbed81157a63d75a4c4f4..14986911b4d0099ea2c91ab2196a771b7dee4c50 100644
--- a/src/main/java/org/bukkit/WorldCreator.java
+++ b/src/main/java/org/bukkit/WorldCreator.java
@@ -12,6 +12,7 @@ import org.jetbrains.annotations.Nullable;
  * Represents various types of options that may be used to create a world.
  */
 public class WorldCreator {
+    private final NamespacedKey key; // Paper
     private final String name;
     private long seed;
     private World.Environment environment = World.Environment.NORMAL;
@@ -28,13 +29,67 @@ public class WorldCreator {
      * @param name Name of the world that will be created
      */
     public WorldCreator(@NotNull String name) {
-        if (name == null) {
-            throw new IllegalArgumentException("World name cannot be null");
-        }
+        // Paper start
+        this(name, NamespacedKey.minecraft(name.toLowerCase(java.util.Locale.ENGLISH).replace(" ", "_")));
+    }
 
-        this.name = name;
+    /**
+     * Creates an empty WorldCreator for the given world name and key
+     *
+     * @param levelName LevelName of the world that will be created
+     * @param worldKey NamespacedKey of the world that will be created
+     */
+    public WorldCreator(@NotNull String levelName, @NotNull NamespacedKey worldKey) {
+        if (levelName == null || worldKey == null) {
+            throw new IllegalArgumentException("World name and key cannot be null");
+        }
+        this.name = levelName;
         this.seed = (new Random()).nextLong();
+        this.key = worldKey;
+    }
+
+    /**
+     * Creates an empty WorldCreator for the given key.
+     * LevelName will be the Key part of the NamespacedKey.
+     *
+     * @param worldKey NamespacedKey of the world that will be created
+     */
+    public WorldCreator(@NotNull NamespacedKey worldKey) {
+        this(worldKey.getKey(), worldKey);
+    }
+
+    /**
+     * Gets the key for this WorldCreator
+     *
+     * @return the key
+     */
+    @NotNull
+    public NamespacedKey key() {
+        return key;
+    }
+
+    /**
+     * Creates an empty WorldCreator for the given world name and key
+     *
+     * @param levelName LevelName of the world that will be created
+     * @param worldKey NamespacedKey of the world that will be created
+     */
+    @NotNull
+    public static WorldCreator ofNameAndKey(@NotNull String levelName, @NotNull NamespacedKey worldKey) {
+        return new WorldCreator(levelName, worldKey);
+    }
+
+    /**
+     * Creates an empty WorldCreator for the given key.
+     * LevelName will be the Key part of the NamespacedKey.
+     *
+     * @param worldKey NamespacedKey of the world that will be created
+     */
+    @NotNull
+    public static WorldCreator ofKey(@NotNull NamespacedKey worldKey) {
+        return new WorldCreator(worldKey);
     }
+    // Paper end
 
     /**
      * Copies the options from the specified world