fix: listen to dynamically loaded worlds for modesets

Fixes #747

src/main/java/kernitus/plugin/OldCombatMechanics/utilities/Config.java

@@ -134,17 +134,29 @@ private static void reloadWorlds() {
         for (String worldName : worldsSection.getKeys(false)) {
             final World world = Bukkit.getWorld(worldName);
             if(world == null){
-                Messenger.warn("Configured world " + worldName + " not found, skipping...");
+                Messenger.warn("Configured world " + worldName + " not found, skipping (might be loaded later?)...");
                 continue;
             }
+            addWorld(world, worldsSection);
+        }
+    }
+
+    public static void addWorld(World world){
+        final ConfigurationSection worldsSection = config.getConfigurationSection("worlds");
+        addWorld(world, worldsSection);
+    }
 
-            // Retrieve the list of modeset names for the current world
-            // Using a linkedhashset to remove duplicates but retain insertion order (important for default modeset)
-            final LinkedHashSet<String> modesetsSet = new LinkedHashSet<>(worldsSection.getStringList(worldName));
+    public static void addWorld(World world, ConfigurationSection worldsSection) {
+        // Retrieve the list of modeset names for the current world
+        // Using a linkedhashset to remove duplicates but retain insertion order (important for default modeset)
+        final LinkedHashSet<String> modesetsSet = new LinkedHashSet<>(worldsSection.getStringList(world.getName()));
 
-            // Add the current world and its modesets to the map
-            worlds.put(world.getUID(), modesetsSet);
-        }
+        // Add the current world and its modesets to the map
+        worlds.put(world.getUID(), modesetsSet);
+    }
+
+    public static void removeWorld(World world){
+        worlds.remove(world.getUID());
     }
 
     /**

src/main/java/kernitus/plugin/OldCombatMechanics/utilities/storage/ModesetListener.java

@@ -10,11 +10,14 @@
 import kernitus.plugin.OldCombatMechanics.module.OCMModule;
 import kernitus.plugin.OldCombatMechanics.utilities.Config;
 import kernitus.plugin.OldCombatMechanics.utilities.Messenger;
+import org.bukkit.World;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.player.PlayerChangedWorldEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.world.WorldLoadEvent;
+import org.bukkit.event.world.WorldUnloadEvent;
 
 import java.util.Set;
 import java.util.UUID;
@@ -82,4 +85,18 @@ public void onPlayerJoin(PlayerJoinEvent event) {
         final Player player = event.getPlayer();
         updateModeset(player, player.getWorld().getUID(), null);
     }
+
+    @EventHandler(ignoreCancelled = false)
+    public void onWorldLoad(WorldLoadEvent event) {
+        final World world = event.getWorld();
+        Config.addWorld(world);
+        Messenger.info("Loaded configured world " + world.getName());
+    }
+
+    @EventHandler(ignoreCancelled = false)
+    public void onWorldUnload(WorldUnloadEvent event) {
+        final World world = event.getWorld();
+        Config.removeWorld(world);
+        Messenger.info("Unloaded configured world " + world.getName());
+    }
 }