Enhance compatibility and feature support for Minecraft 1.21: Add ProtocolWrapper21, update gamerule management, streamline entity tracking, and refine chunk hider logic.

FightSystem/FightSystem_21/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper21.java

@@ -19,6 +19,8 @@
 
 package de.steamwar.fightsystem.utils;
 
+import de.steamwar.fightsystem.Config;
+import org.bukkit.GameRule;
 import org.bukkit.entity.Entity;
 
 public class CraftbukkitWrapper21 extends CraftbukkitWrapper18 {
@@ -27,4 +29,9 @@ public class CraftbukkitWrapper21 extends CraftbukkitWrapper18 {
     public float headRotation(Entity e) {
         return getEntity(e).getYHeadRot();
     }
+
+    @Override
+    public void setupGamerule() {
+        Config.world.setGameRule(GameRule.LOCATOR_BAR, false);
+    }
 }