make dropped-item-limit check on chunkload

AnarchyExploitFixesLegacy/src/main/java/me/moomoo/anarchyexploitfixes/modules/chunklimits/DroppedItemLimit.java

@@ -14,6 +14,7 @@
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.ItemSpawnEvent;
+import org.bukkit.event.world.ChunkLoadEvent;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -104,6 +105,26 @@ private void onItemDrop(ItemSpawnEvent event) {
         }
     }
 
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    private void onChunkLoad(ChunkLoadEvent event) {
+        if (event.isNewChunk()) return;
+
+        int droppedItemCount = 0;
+
+        for (Entity entity : event.getChunk().getEntities()) {
+            if (entity.getType() != EntityType.DROPPED_ITEM) continue;
+
+            droppedItemCount++;
+            if (droppedItemCount <= maxDroppedItemsPerChunk) continue;
+            if (usingWhitelist && whitelistedItems.contains(((Item) entity).getItemStack().getType())) continue;
+
+            entity.remove();
+            if (logIsEnabled) LogUtil.moduleLog(Level.INFO, name(), "Removed dropped item at"
+                    + " x:" + entity.getLocation().getX() + " y:" + entity.getLocation().getY() + " z:" + entity.getLocation().getZ()
+                    + " in world " + entity.getWorld().getName() + ", because reached limit of " + maxDroppedItemsPerChunk);
+        }
+    }
+
     @Override
     public void run() {
         for (World world : plugin.getServer().getWorlds()) {