ModernUO/Projects/UOContent/Spells/Bushido/SamuraiSpell.cs

using System;
using Server.Items;
using Server.Mobiles;

namespace Server.Spells.Bushido
{
    public abstract class SamuraiSpell : Spell
    {
        public SamuraiSpell(Mobile caster, Item scroll, SpellInfo info) : base(caster, scroll, info)
        {
        }

        public abstract double RequiredSkill { get; }
        public abstract int RequiredMana { get; }

        public override SkillName CastSkill => SkillName.Bushido;
        public override SkillName DamageSkill => SkillName.Bushido;

        public override bool ClearHandsOnCast => false;
        public override bool BlocksMovement => false;
        public override bool ShowHandMovement => false;

        // public override int CastDelayBase => 1;
        public override double CastDelayFastScalar => 0;

        public override int CastRecoveryBase => 7;

        public static bool CheckExpansion(Mobile from) =>
            (from as PlayerMobile)?.NetState?.SupportsExpansion(Expansion.SE) == true;

        public override bool CheckCast()
        {
            var mana = ScaleMana(RequiredMana);

            if (!base.CheckCast())
            {
                return false;
            }

            if (!CheckExpansion(Caster))
            {
                Caster.SendLocalizedMessage(1063456); // You must upgrade to Samurai Empire in order to use that ability.
                return false;
            }

            if (Caster.Skills[CastSkill].Value < RequiredSkill)
            {
                var args = $"{RequiredSkill:0.#}\t{CastSkill.ToString()}\t ";
                Caster.SendLocalizedMessage(
                    1063013, // You need at least ~1_SKILL_REQUIREMENT~ ~2_SKILL_NAME~ skill to use that ability.
                    args
                );
                return false;
            }

            if (Caster.Mana < mana)
            {
                Caster.SendLocalizedMessage(
                    1060174, // You must have at least ~1_MANA_REQUIREMENT~ Mana to use this ability.
                    mana.ToString()
                );
                return false;
            }

            return true;
        }

        public override bool CheckFizzle()
        {
            var mana = ScaleMana(RequiredMana);

            if (Caster.Skills[CastSkill].Value < RequiredSkill)
            {
                Caster.SendLocalizedMessage(
                    1070768, // You need ~1_SKILL_REQUIREMENT~ Bushido skill to perform that attack!
                    RequiredSkill.ToString("F1")
                );
                return false;
            }

            if (Caster.Mana < mana)
            {
                Caster.SendLocalizedMessage(
                    1060174, // You must have at least ~1_MANA_REQUIREMENT~ Mana to use this ability.
                    mana.ToString()
                );
                return false;
            }

            if (!base.CheckFizzle())
            {
                return false;
            }

            Caster.Mana -= mana;

            return true;
        }

        public override void GetCastSkills(out double min, out double max)
        {
            min = RequiredSkill - 12.5; // per 5 on friday, 2/16/07
            max = RequiredSkill + 37.5;
        }

        public override int GetMana() => 0;

        public virtual void OnCastSuccessful(Mobile caster)
        {
            Evasion.EndEvasion(caster);
            Confidence.EndConfidence(caster);
            CounterAttack.StopCountering(caster);

            var spellID = SpellRegistry.GetRegistryNumber(this);

            if (spellID > 0)
            {
                caster.NetState.SendToggleSpecialAbility(spellID + 1, true);
            }
        }

        public static void OnEffectEnd(Mobile caster, Type type)
        {
            var spellID = SpellRegistry.GetRegistryNumber(type);

            if (spellID > 0)
            {
                caster.NetState.SendToggleSpecialAbility(spellID + 1, false);
            }
        }
    }
}