Added PlayerChangedWorldEvent.

By: sunkid <sunkid@iminurnetz.com>

paper-api/src/main/java/org/bukkit/event/Event.java

@@ -312,6 +312,13 @@ public abstract class Event implements Serializable {
          */
         PLAYER_GAME_MODE_CHANGE(Category.PLAYER),
 
+        /**
+         * Called after a player has changed to a new world
+         *
+         * @see org.bukkit.event.player.PlayerChangedWorldEvent
+         */
+        PLAYER_CHANGED_WORLD(Category.PLAYER),
+
         /**
          * BLOCK EVENTS
          */

paper-api/src/main/java/org/bukkit/event/player/PlayerChangedWorldEvent.java

@@ -0,0 +1,18 @@
+package org.bukkit.event.player;
+
+import org.bukkit.World;
+import org.bukkit.entity.Player;
+
+public class PlayerChangedWorldEvent extends PlayerEvent {
+
+    private final World from;
+
+    public PlayerChangedWorldEvent(Player player, World from) {
+        super(Type.PLAYER_CHANGED_WORLD, player);
+        this.from = from;
+    }
+
+    public World getFrom() {
+        return from;
+    }
+}

paper-api/src/main/java/org/bukkit/event/player/PlayerListener.java

@@ -205,4 +205,11 @@ public class PlayerListener implements Listener {
      * @param event Relevant event details
      */
     public void onPlayerGameModeChange(PlayerGameModeChangeEvent event) {}
+
+    /**
+     * Called after a player changes to a new world
+     *
+     * @param event Relevant event details
+     */
+    public void onPlayerChangedWorld(PlayerChangedWorldEvent event) {}
 }

paper-api/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java

@@ -434,6 +434,13 @@ public class JavaPluginLoader implements PluginLoader {
                 }
             };
 
+        case PLAYER_CHANGED_WORLD:
+            return new EventExecutor() {
+                public void execute(Listener listener, Event event) {
+                    ((PlayerListener) listener).onPlayerChangedWorld((PlayerChangedWorldEvent) event);
+                }
+            };
+
         // Block Events
         case BLOCK_PHYSICS:
             return new EventExecutor() {