refactor mini

src/main/java/fyi/tiko/battletowers/BattleTowersPlugin.java

@@ -35,7 +35,7 @@ public final class BattleTowersPlugin extends JavaPlugin {
         );
 
         getServer().getPluginManager().registerEvents(
-            new TowerBossDeathListener(), this
+            new TowerBossDeathListener(towerKey), this
         );
 
         getLogger().info("BattleTowers enabled!");

src/main/java/fyi/tiko/battletowers/boss/TowerBossDeathListener.java

@@ -1,25 +1,34 @@
 package fyi.tiko.battletowers.boss;
 
+import org.bukkit.NamespacedKey;
 import org.bukkit.entity.IronGolem;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityDeathEvent;
-
-import static fyi.tiko.battletowers.BattleTowersPlugin.instance;
+import org.bukkit.persistence.PersistentDataType;
 
 public class TowerBossDeathListener implements Listener {
+    private final NamespacedKey towerKey;
+
+    public TowerBossDeathListener(NamespacedKey towerKey) {
+        this.towerKey = towerKey;
+    }
 
     @EventHandler
-    public void onBossDeath(EntityDeathEvent event) {
+    public void onBossDeath(final EntityDeathEvent event) {
 
-        if (!(event.getEntity() instanceof IronGolem golem)) return;
+        if (!(event.getEntity() instanceof IronGolem golem)) {
+            return;
+        }
 
-        var data = golem.getPersistentDataContainer().get(
-                instance().towerKey(),
-                org.bukkit.persistence.PersistentDataType.STRING
+        final var data = golem.getPersistentDataContainer().get(
+            towerKey,
+            PersistentDataType.STRING
         );
 
-        if (data == null) return;
+        if (data == null) {
+            return;
+        }
 
         // Tower Collapse Start
         TowerDestroyer.startCollapse(golem.getLocation(), event.getEntity().getKiller());

src/main/java/fyi/tiko/battletowers/loot/TowerChestListener.java

@@ -1,6 +1,7 @@
 package fyi.tiko.battletowers.loot;
 
 import fyi.tiko.battletowers.boss.TowerBossSpawner;
+import org.bukkit.block.Chest;
 import org.bukkit.entity.IronGolem;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -11,7 +12,7 @@ public class TowerChestListener implements Listener {
     @EventHandler
     public void onChestOpen(InventoryOpenEvent event) {
 
-        if (!(event.getInventory().getHolder() instanceof org.bukkit.block.Chest)) {
+        if (!(event.getInventory().getHolder() instanceof Chest)) {
             return;
         }
 
@@ -19,9 +20,7 @@ public class TowerChestListener implements Listener {
 
         // Search nearby golems
         for (var entity : player.getNearbyEntities(8, 8, 8)) {
-
             if (entity instanceof IronGolem golem) {
-
                 if (!golem.hasAI()) {
                     TowerBossSpawner.wakeUp(golem);
                     golem.setTarget(player);