ModernUO/Projects/UOContent/Items/Weapons/Abilities/DoubleShot.cs

namespace Server.Items
{
    /// <summary>
    ///     Send two arrows flying at your opponent if you're mounted. Requires Bushido or Ninjitsu skill.
    /// </summary>
    public class DoubleShot : WeaponAbility
    {
        public override int BaseMana => 30;

        public override bool RequiresTactics(Mobile from) => false;
        public override bool RequiresSecondarySkill(Mobile from) => true;

        public override void OnHit(Mobile attacker, Mobile defender, int damage, WorldLocation worldLocation)
        {
            Use(attacker, defender);
        }

        public override void OnMiss(Mobile attacker, Mobile defender)
        {
            Use(attacker, defender);
        }

        public override bool Validate(Mobile from)
        {
            if (base.Validate(from))
            {
                if (from.Mounted)
                {
                    return true;
                }

                from.SendLocalizedMessage(1070770); // You can only execute this attack while mounted!
                ClearCurrentAbility(from);
            }

            return false;
        }

        public void Use(Mobile attacker, Mobile defender)
        {
            if (!Validate(attacker) || !CheckMana(attacker, true) || attacker.Weapon == null) // sanity
            {
                return;
            }

            ClearCurrentAbility(attacker);

            attacker.SendLocalizedMessage(1063348); // You launch two shots at once!
            defender.SendLocalizedMessage(1063349); // You're attacked with a barrage of shots!

            defender.FixedParticles(0x37B9, 1, 19, 0x251D, EffectLayer.Waist);

            attacker.Weapon.OnSwing(attacker, defender);
        }
    }
}