Scaffold of durability module

src/main/java/eu/m724/tweaks/TweaksPlugin.java

@@ -14,6 +14,7 @@ import eu.m724.tweaks.module.auth.AuthModule;
 import eu.m724.tweaks.module.chat.ChatModule;
 import eu.m724.tweaks.module.door.DoorKnockModule;
 import eu.m724.tweaks.module.door.DoorOpenModule;
+import eu.m724.tweaks.module.durability.DurabilityModule;
 import eu.m724.tweaks.module.full.FullModule;
 import eu.m724.tweaks.module.hardcore.HardcoreModule;
 import eu.m724.tweaks.module.killswitch.KillswitchModule;
@@ -154,6 +155,8 @@ public class TweaksPlugin extends MStatsPlugin {
             TweaksModule.init(SwingModule.class);
         }
 
+        TweaksModule.init(DurabilityModule.class);
+
         /* end modules */
 
         if (config.metrics()) {

src/main/java/eu/m724/tweaks/module/durability/DurabilityModule.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2025  Minecon724
+ * Tweaks724 is licensed under the GNU General Public License. See the LICENSE.md file
+ * in the project root for the full license text.
+ */
+
+package eu.m724.tweaks.module.durability;
+
+import eu.m724.tweaks.DebugLogger;
+import eu.m724.tweaks.module.TweaksModule;
+import net.md_5.bungee.api.ChatMessageType;
+import net.md_5.bungee.api.chat.TextComponent;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerItemDamageEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.Damageable;
+import org.bukkit.scheduler.BukkitRunnable;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class DurabilityModule extends TweaksModule implements Listener {
+    @Override
+    protected void onInit() {
+        registerEvents(this);
+
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                Bukkit.getServer().getOnlinePlayers().forEach(p -> refreshBar(p));
+            }
+        }.runTaskTimerAsynchronously(getPlugin(), 0, 40);
+    }
+
+    @EventHandler
+    public void onPlayerItemDamage(PlayerItemDamageEvent event) {
+        refreshBar(event.getPlayer(), event.getItem(), event.getDamage());
+    }
+
+    private void refreshBar(Player player) {
+        refreshBar(player, null, -1);
+    }
+
+    private void refreshBar(Player player, ItemStack justDamaged, int damage) {
+        var map = new HashMap<Character, ItemStack>();
+        map.put('H', player.getInventory().getHelmet());
+        map.put('C', player.getInventory().getChestplate());
+        map.put('L', player.getInventory().getLeggings());
+        map.put('B', player.getInventory().getBoots());
+        map.put('<', player.getInventory().getItemInOffHand());
+        map.put('>', player.getInventory().getItemInMainHand());
+
+        String s = "";
+
+        for (Map.Entry<Character, ItemStack> e : map.entrySet()) {
+            var itemStack = e.getValue();
+            if (itemStack == null || !itemStack.hasItemMeta()) continue;
+
+            if (itemStack.getItemMeta() instanceof Damageable meta) {
+                var maxDurability = itemStack.getType().getMaxDurability();
+                var durability = maxDurability - meta.getDamage();
+                if (itemStack.equals(justDamaged))
+                    durability -= damage;
+                var percentage = (double) durability / maxDurability * 100;
+
+                DebugLogger.finer("%s's %s: %d / %d (%.2f%%)", player.getName(), itemStack.getType().name(), durability, maxDurability, percentage);
+
+                var notify = durability < 30 && (durability < 10 || percentage < 0.1);
+
+                if (notify) {
+                    s += e.getKey() + " " + (int) percentage + "% ";
+                }
+            }
+        }
+
+        player.spigot().sendMessage(ChatMessageType.ACTION_BAR, new TextComponent(s));
+    }
+}