ModernUO/Projects/Scripts/Items/Misc/UnholyBone.cs

using System;
using Server.Mobiles;

namespace Server.Items
{
  public class UnholyBone : Item, ICarvable
  {
    private SpawnTimer m_Timer;

    [Constructible]
    public UnholyBone() : base(0xF7E)
    {
      Movable = false;
      Hue = 0x497;

      m_Timer = new SpawnTimer(this);
      m_Timer.Start();
    }

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

    public override string DefaultName => "unholy bone";

    public void Carve(Mobile from, Item item)
    {
      Effects.PlaySound(GetWorldLocation(), Map, 0x48F);
      Effects.SendLocationEffect(GetWorldLocation(), Map, 0x3728, 10);

      if (0.3 > Utility.RandomDouble())
      {
        if (ItemID == 0xF7E)
          from.SendMessage("You destroy the bone.");
        else
          from.SendMessage("You destroy the bone pile.");

        Gold gold = new Gold(25, 100);

        gold.MoveToWorld(GetWorldLocation(), Map);

        Delete();

        m_Timer.Stop();
      }
      else
      {
        if (ItemID == 0xF7E)
          from.SendMessage("You damage the bone.");
        else
          from.SendMessage("You damage the bone pile.");
      }
    }

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

      writer.Write(0); // version
    }

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

      int version = reader.ReadInt();

      m_Timer = new SpawnTimer(this);
      m_Timer.Start();
    }

    private class SpawnTimer : Timer
    {
      private Item m_Item;

      public SpawnTimer(Item item) : base(TimeSpan.FromSeconds(Utility.RandomMinMax(5, 10)))
      {
        Priority = TimerPriority.FiftyMS;

        m_Item = item;
      }

      protected override void OnTick()
      {
        if (m_Item.Deleted)
          return;

        var spawn = Utility.Random(12) switch
        {
          0 => (Mobile)new Skeleton(),
          1 => new Zombie(),
          2 => new Wraith(),
          3 => new Spectre(),
          4 => new Ghoul(),
          5 => new Mummy(),
          6 => new Bogle(),
          7 => new RottingCorpse(),
          8 => new BoneKnight(),
          9 => new SkeletalKnight(),
          10 => new Lich(),
          11 => new LichLord(),
          _ => new Skeleton()
        };

        spawn.MoveToWorld(m_Item.Location, m_Item.Map);

        m_Item.Delete();
      }
    }
  }
}