Server.Spells.Spell.CheckSequence C# (CSharp) Method

		public virtual bool CheckSequence()
		{
			int mana = ScaleMana( GetMana() );

			if ( m_Caster.Deleted || !m_Caster.Alive || m_Caster.Spell != this || m_State != SpellState.Sequencing )
			{
				DoFizzle();
			}
			else if ( m_Scroll != null && !(m_Scroll is Runebook) && (m_Scroll.Amount <= 0 || m_Scroll.Deleted || m_Scroll.RootParent != m_Caster || (m_Scroll is BaseWand && (((BaseWand)m_Scroll).Charges <= 0 || m_Scroll.Parent != m_Caster))) )
			{
				DoFizzle();
			}
			else if ( !ConsumeReagents() )
			{
				m_Caster.LocalOverheadMessage( MessageType.Regular, 0x22, 502630 ); // More reagents are needed for this spell.
			}
			else if ( m_Caster.Mana < mana )
			{
				m_Caster.LocalOverheadMessage( MessageType.Regular, 0x22, 502625 ); // Insufficient mana for this spell.
			}
			else if ( m_Caster is PlayerMobile && ((PlayerMobile) m_Caster).PeacedUntil > DateTime.Now )
			{
				m_Caster.SendLocalizedMessage( 1072060 ); // You cannot cast a spell while calmed.
				DoFizzle();
			}
			else if ( CheckFizzle() )
			{
				m_Caster.Mana -= mana;

				if ( m_Scroll is SpellScroll )
					m_Scroll.Consume();
				else if ( m_Scroll is BaseWand )
				{
					((BaseWand)m_Scroll).ConsumeCharge( m_Caster );
					m_Caster.RevealingAction();
				}

				if ( m_Scroll is BaseWand )
				{
					bool m = m_Scroll.Movable;

					m_Scroll.Movable = false;

					if ( ClearHandsOnCast )
						m_Caster.ClearHands();

					m_Scroll.Movable = m;
				}
				else
				{
					if ( ClearHandsOnCast )
						m_Caster.ClearHands();
				}

				int karma = ComputeKarmaAward();

				if ( karma != 0 )
					Misc.Titles.AwardKarma( Caster, karma, true );

				return true;
			}
			else
			{
				DoFizzle();
			}

			return false;
		}

        public static bool OnCast(Mobile caster, Spell spell)
        {
            ITransformationSpell transformSpell = spell as ITransformationSpell;

            if (transformSpell == null)
                return false;

            if (Factions.Sigil.ExistsOn(caster))
            {
                caster.SendLocalizedMessage(1061632); // You can't do that while carrying the sigil.
            }
            else if (!caster.CanBeginAction(typeof(PolymorphSpell)))
            {
                caster.SendLocalizedMessage(1061628); // You can't do that while polymorphed.
            }
            else if (DisguiseTimers.IsDisguised(caster))
            {
                caster.SendLocalizedMessage(1061631); // You can't do that while disguised.
                return false;
            }
            else if (AnimalForm.UnderTransformation(caster))
            {
                caster.SendLocalizedMessage(1061091); // You cannot cast that spell in this form.
            }
            else if (!caster.CanBeginAction(typeof(IncognitoSpell)) || (caster.IsBodyMod && GetContext(caster) == null))
            {
                spell.DoFizzle();
            }
            else if (spell.CheckSequence())
            {
                TransformContext context = GetContext(caster);
                Type ourType = spell.GetType();

                bool wasTransformed = (context != null);
                bool ourTransform = (wasTransformed && context.Type == ourType);

                if (wasTransformed)
                {
                    RemoveContext(caster, context, ourTransform);

                    if (ourTransform)
                    {
                        caster.PlaySound(0xFA);
                        caster.FixedParticles(0x3728, 1, 13, 5042, EffectLayer.Waist);
                    }
                }

                if (!ourTransform)
                {
                    List<ResistanceMod> mods = new List<ResistanceMod>();

                    if (transformSpell.PhysResistOffset != 0)
                        mods.Add(new ResistanceMod(ResistanceType.Physical, transformSpell.PhysResistOffset));

                    if (transformSpell.FireResistOffset != 0)
                        mods.Add(new ResistanceMod(ResistanceType.Fire, transformSpell.FireResistOffset));

                    if (transformSpell.ColdResistOffset != 0)
                        mods.Add(new ResistanceMod(ResistanceType.Cold, transformSpell.ColdResistOffset));

                    if (transformSpell.PoisResistOffset != 0)
                        mods.Add(new ResistanceMod(ResistanceType.Poison, transformSpell.PoisResistOffset));

                    if (transformSpell.NrgyResistOffset != 0)
                        mods.Add(new ResistanceMod(ResistanceType.Energy, transformSpell.NrgyResistOffset));

                    if (!((Body)transformSpell.Body).IsHuman)
                    {
                        Mobiles.IMount mt = caster.Mount;

                        if (mt != null)
                            mt.Rider = null;
                    }

                    caster.BodyMod = transformSpell.Body;
                    caster.HueMod = transformSpell.Hue;

                    for (int i = 0; i < mods.Count; ++i)
                        caster.AddResistanceMod(mods[i]);

                    transformSpell.DoEffect(caster);

                    Timer timer = new TransformTimer(caster, transformSpell);
                    timer.Start();

                    AddContext(caster, new TransformContext(timer, mods, ourType, transformSpell));
                    return true;
                }
            }

            return false;
        }