Added StaliniumBootsItem with speed buff. Enhanced ally support through area effect.

src/main/java/net/krituximon/stalinium/item/ModItems.java

@@ -53,7 +53,7 @@ public class ModItems {
                     new Item.Properties().durability(ArmorItem.Type.LEGGINGS.getDurability(19))));
 
     public static final DeferredItem<ArmorItem> STALINIUM_BOOTS = ITEMS.register("stalinium_boots",
-            () -> new ArmorItem(ModArmorMaterials.STALINIUM_ARMOR_MATERIAL, ArmorItem.Type.BOOTS,
+            () -> new StaliniumBootsItem(ModArmorMaterials.STALINIUM_ARMOR_MATERIAL, ArmorItem.Type.BOOTS,
                     new Item.Properties().durability(ArmorItem.Type.BOOTS.getDurability(19))));
 
     public static void register(IEventBus eventBus) {

src/main/java/net/krituximon/stalinium/item/custom/StaliniumBootsItem.java

@@ -0,0 +1,67 @@
+package net.krituximon.stalinium.item.custom;
+
+import net.krituximon.stalinium.item.ModArmorMaterials;
+import net.minecraft.core.Holder;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.effect.MobEffectInstance;
+import net.minecraft.world.effect.MobEffects;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ArmorItem;
+import net.minecraft.world.item.ArmorMaterial;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.phys.AABB;
+
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class StaliniumBootsItem extends ArmorItem {
+    private static final int SPRINT_THRESHOLD = 5 * 20; // 5 seconds
+    private static final double RADIUS = 5.0;
+    private static final Map<UUID, Integer> sprintTicks = new ConcurrentHashMap<>();
+
+    public StaliniumBootsItem(Holder<ArmorMaterial> material, Type slot, Properties props) {
+        super(material, slot, props);
+    }
+
+    @Override
+    public void inventoryTick(ItemStack stack, Level level, Entity entity, int slotId, boolean isSelected) {
+        if (level.isClientSide() || !(entity instanceof Player player)) return;
+        ItemStack boots = player.getInventory().getArmor(0);
+        if (boots.getItem() != this) return;
+        UUID id = player.getUUID();
+        int ticks = sprintTicks.getOrDefault(id, 0);
+        if (player.isSprinting()) {
+            ticks++;
+            if (ticks >= SPRINT_THRESHOLD) {
+                ticks = 0;
+                player.addEffect(new MobEffectInstance(MobEffects.MOVEMENT_SPEED, 5 * 20, 0, false, true));
+                AABB area = player.getBoundingBox().inflate(RADIUS);
+                List<Player> allies = level.getEntitiesOfClass(
+                        Player.class,
+                        area,
+                        p -> p instanceof ServerPlayer && p != player && player.isAlliedTo(p)
+                );
+                MobEffectInstance buff = new MobEffectInstance(MobEffects.MOVEMENT_SPEED, 6 * 20, 0, false, true);
+                for (Player ally : allies) {
+                    ally.addEffect(buff);
+                }
+            }
+        } else {
+            ticks = 0;
+        }
+        sprintTicks.put(id, ticks);
+    }
+
+    @Override
+    public boolean isDamageable(ItemStack stack) {
+        return false;
+    }
+    @Override
+    public boolean isDamaged(ItemStack stack) {
+        return false;
+    }
+}

src/main/java/net/krituximon/stalinium/item/custom/StaliniumChestplateLeggingsItem.java

@@ -91,7 +91,6 @@ public class StaliniumChestplateLeggingsItem extends ArmorItem {
     private boolean hasChestAndLeggingsOn(Player player) {
         ItemStack leggings = player.getInventory().getArmor(1);
         ItemStack chestplate = player.getInventory().getArmor(2);
-
         return !leggings.isEmpty() && !chestplate.isEmpty();
     }