ModernUO/Projects/Scripts/Items/Traps/GasTrap.cs

using System;
using Server.Network;

namespace Server.Items
{
  public enum GasTrapType
  {
    NorthWall,
    WestWall,
    Floor
  }

  public class GasTrap : BaseTrap
  {
    [Constructible]
    public GasTrap() : this(Poison.Lesser)
    {
    }

    [Constructible]
    public GasTrap(Poison poison) : this(GasTrapType.Floor, poison)
    {
    }

    [Constructible]
    public GasTrap(GasTrapType type, Poison poison = null) : base(GetBaseID(type)) => Poison = poison;

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

    [CommandProperty(AccessLevel.GameMaster)]
    public Poison Poison{ get; set; }

    [CommandProperty(AccessLevel.GameMaster)]
    public GasTrapType Type
    {
      get => ItemID switch
      {
        return ItemID switch
        {
          0x113C => GasTrapType.NorthWall,
          0x1147 => GasTrapType.WestWall,
          0x11A8 => GasTrapType.Floor,
          _ => GasTrapType.WestWall
        };
      }
      set => ItemID = GetBaseID(value);
    }

    public override bool PassivelyTriggered => false;
    public override TimeSpan PassiveTriggerDelay => TimeSpan.Zero;
    public override int PassiveTriggerRange => 0;
    public override TimeSpan ResetDelay => TimeSpan.FromSeconds(0.0);

    public static int GetBaseID(GasTrapType type)
    {
      return type switch
      {
        GasTrapType.NorthWall => 0x113C,
        GasTrapType.WestWall => 0x1147,
        GasTrapType.Floor => 0x11A8,
        _ => 0
      };
    }

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

      Effects.SendLocationEffect(Location, Map, GetBaseID(Type) - 2, 16, 3, GetEffectHue());
      Effects.PlaySound(Location, Map, 0x231);

      from.ApplyPoison(from, Poison);

      from.LocalOverheadMessage(MessageType.Regular, 0x22, 500855); // You are enveloped by a noxious gas cloud!
    }

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

      writer.Write(0); // version

      Poison.Serialize(Poison, writer);
    }

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

      int version = reader.ReadInt();

      switch (version)
      {
        case 0:
        {
          Poison = Poison.Deserialize(reader);
          break;
        }
      }
    }
  }
}