Armor Class

@Override
public void onArmorTickUpdate(World world, EntityPlayer player, ItemStack itemStack)
{
    if (player.getCurrentArmor(0) != null && player.getCurrentArmor(1) != null && player.getCurrentArmor(2) != null && player.getCurrentArmor(3) != null)
    {
        ItemStack helmet = player.getCurrentArmor(3);
        ItemStack plate = player.getCurrentArmor(2);
        ItemStack legs = player.getCurrentArmor(1);
        ItemStack boots = player.getCurrentArmor(0);
        if (helmet.getItem() == AlchemyMain.Halo && plate.getItem() == AlchemyMain.Wings && legs.getItem() == AlchemyMain.Robes && boots.getItem() == AlchemyMain.SpeedBoots)
        {
            PlayerCapabilities.allowFlying = true;
            PlayerCapabilities.flySpeed = 0.2F;
            PlayerCapabilities.walkSpeed = 0.3F;
        }
        else
        {
            PlayerCapabilities.allowFlying = false;
            PlayerCapabilities.flySpeed = 0.05F;
            PlayerCapabilities.walkSpeed = 0.1F;
        }
    }
}