/**
   * Assigns the correct interface for the player based on the item.
   *
   * @param player the player to assign the interface for.
   * @param item the item to base the interface on.
   */
  public static void assignInterface(Player player, Item item) {

    /** Block if this item isn't a weapon. */
    if (item == null || item.getDefinition().getEquipmentSlot() != Misc.EQUIPMENT_SLOT_WEAPON) {
      return;
    }

    /** Retrieve the interface for the weapon from the map. */
    WeaponInterface weapon = weaponInterface.get(item.getId());

    /** Write the interface to the sidebar. */
    if (weapon == WeaponInterface.UNARMED) {
      player.getPacketBuilder().sendSidebarInterface(0, weapon.getInterfaceId());
      player.getPacketBuilder().sendString("Unarmed", weapon.getNameLineId());
      player.setWeapon(WeaponInterface.UNARMED);
      return;
    } else if (weapon == WeaponInterface.CROSSBOW) {
      player.getPacketBuilder().sendString("Weapon: ", weapon.getNameLineId() - 1);
    } else if (weapon == WeaponInterface.WHIP) {
      player.getPacketBuilder().sendString("Weapon: ", weapon.getNameLineId() - 1);
    }

    player.getPacketBuilder().sendItemOnInterface(weapon.getInterfaceId() + 1, 200, item.getId());
    player.getPacketBuilder().sendSidebarInterface(0, weapon.getInterfaceId());
    player
        .getPacketBuilder()
        .sendString("" + item.getDefinition().getItemName() + "", weapon.getNameLineId());
    player.setWeapon(weapon);
  }
  /**
   * Resets the sidebar when an item is unequipped from the weapon slot.
   *
   * @param player the player to reset the sidebar for.
   */
  public static void reset(Player player) {

    /** Reset the sidebar back to "unarmed". */
    player.getPacketBuilder().sendSidebarInterface(0, WeaponInterface.UNARMED.getInterfaceId());
    player.getPacketBuilder().sendString("Unarmed", WeaponInterface.UNARMED.getNameLineId());
    player.setWeapon(WeaponInterface.UNARMED);
  }