ModernUO/Projects/UOContent/Items/Traps/SpikeTrap.cs

using System;
using Server.Network;
using Server.Spells;

namespace Server.Items
{
    public enum SpikeTrapType
    {
        WestWall,
        NorthWall,
        WestFloor,
        NorthFloor
    }

    public class SpikeTrap : BaseTrap
    {
        [Constructible]
        public SpikeTrap(SpikeTrapType type = SpikeTrapType.WestFloor) : base(GetBaseID(type))
        {
        }

        public SpikeTrap(Serial serial) : base(serial)
        {
        }

        [CommandProperty(AccessLevel.GameMaster)]
        public SpikeTrapType Type
        {
            get
            {
                return ItemID switch
                {
                    4360 => SpikeTrapType.WestWall,
                    4361 => SpikeTrapType.WestWall,
                    4366 => SpikeTrapType.WestWall,
                    4379 => SpikeTrapType.NorthWall,
                    4380 => SpikeTrapType.NorthWall,
                    4385 => SpikeTrapType.NorthWall,
                    4506 => SpikeTrapType.WestFloor,
                    4507 => SpikeTrapType.WestFloor,
                    4511 => SpikeTrapType.WestFloor,
                    4512 => SpikeTrapType.NorthFloor,
                    4513 => SpikeTrapType.NorthFloor,
                    4517 => SpikeTrapType.NorthFloor,
                    _    => SpikeTrapType.WestWall
                };
            }
            set
            {
                var extended = Extended;

                ItemID = extended ? GetExtendedID(value) : GetBaseID(value);
            }
        }

        public bool Extended
        {
            get => ItemID == GetExtendedID(Type);
            set
            {
                if (value)
                {
                    ItemID = GetExtendedID(Type);
                }
                else
                {
                    ItemID = GetBaseID(Type);
                }
            }
        }

        public override bool PassivelyTriggered => false;
        public override TimeSpan PassiveTriggerDelay => TimeSpan.Zero;
        public override int PassiveTriggerRange => 0;
        public override TimeSpan ResetDelay => TimeSpan.FromSeconds(6.0);

        public static int GetBaseID(SpikeTrapType type)
        {
            return type switch
            {
                SpikeTrapType.WestWall   => 4360,
                SpikeTrapType.NorthWall  => 4379,
                SpikeTrapType.WestFloor  => 4506,
                SpikeTrapType.NorthFloor => 4512,
                _                        => 0
            };
        }

        public static int GetExtendedID(SpikeTrapType type) => GetBaseID(type) + GetExtendedOffset(type);

        public static int GetExtendedOffset(SpikeTrapType type)
        {
            return type switch
            {
                SpikeTrapType.WestWall   => 6,
                SpikeTrapType.NorthWall  => 6,
                SpikeTrapType.WestFloor  => 5,
                SpikeTrapType.NorthFloor => 5,
                _                        => 0
            };
        }

        public override void OnTrigger(Mobile from)
        {
            if (!from.Alive || from.AccessLevel > AccessLevel.Player)
            {
                return;
            }

            Effects.SendLocationEffect(Location, Map, GetBaseID(Type) + 1, 18, 3, GetEffectHue());
            Effects.PlaySound(Location, Map, 0x22C);

            foreach (var mob in GetMobilesInRange(0))
            {
                if (mob.Alive && !mob.IsDeadBondedPet)
                {
                    SpellHelper.Damage(TimeSpan.FromTicks(1), mob, mob, Utility.RandomMinMax(1, 6) * 6);
                }
            }

            Timer.DelayCall(TimeSpan.FromSeconds(1.0), OnSpikeExtended);

            from.LocalOverheadMessage(MessageType.Regular, 0x22, 500852); // You stepped onto a spike trap!
        }

        public virtual void OnSpikeExtended()
        {
            Extended = true;
            Timer.DelayCall(TimeSpan.FromSeconds(5.0), OnSpikeRetracted);
        }

        public virtual void OnSpikeRetracted()
        {
            Extended = false;
            Effects.SendLocationEffect(Location, Map, GetExtendedID(Type) - 1, 6, 3, GetEffectHue());
        }

        public override void Serialize(IGenericWriter writer)
        {
            base.Serialize(writer);

            writer.Write(0); // version
        }

        public override void Deserialize(IGenericReader reader)
        {
            base.Deserialize(reader);

            var version = reader.ReadInt();

            Extended = false;
        }
    }
}