ModernUO/Projects/Scripts/Skills/Poisoning.cs

using System;
using Server.Engines.ConPVP;
using Server.Items;
using Server.Misc;
using Server.Targeting;

namespace Server.SkillHandlers
{
  public class Poisoning
  {
    public static void Initialize()
    {
      SkillInfo.Table[(int)SkillName.Poisoning].Callback = OnUse;
    }

    public static TimeSpan OnUse(Mobile m)
    {
      m.Target = new InternalTargetPoison();

      m.SendLocalizedMessage(502137); // Select the poison you wish to use

      return TimeSpan.FromSeconds(10.0); // 10 second delay before being able to re-use a skill
    }

    private class InternalTargetPoison : Target
    {
      public InternalTargetPoison() : base(2, false, TargetFlags.None)
      {
      }

      protected override void OnTarget(Mobile from, object targeted)
      {
        if (targeted is BasePoisonPotion potion)
        {
          from.SendLocalizedMessage(502142); // To what do you wish to apply the poison?
          from.Target = new InternalTarget(potion);
        }
        else // Not a Poison Potion
        {
          from.SendLocalizedMessage(502139); // That is not a poison potion.
        }
      }

      private class InternalTarget : Target
      {
        private BasePoisonPotion m_Potion;

        public InternalTarget(BasePoisonPotion potion) : base(2, false, TargetFlags.None) => m_Potion = potion;

        protected override void OnTarget(Mobile from, object targeted)
        {
          if (m_Potion.Deleted)
            return;

          bool startTimer = false;

          if (targeted is Food || targeted is FukiyaDarts || targeted is Shuriken)
          {
            startTimer = true;
          }
          else if (targeted is BaseWeapon weapon)
          {
            if (Core.AOS)
              startTimer = weapon.PrimaryAbility == WeaponAbility.InfectiousStrike ||
                           weapon.SecondaryAbility == WeaponAbility.InfectiousStrike;
            else if (weapon.Layer == Layer.OneHanded)
              startTimer = weapon.Type == WeaponType.Slashing || weapon.Type == WeaponType.Piercing;
          }

          if (startTimer)
          {
            new InternalTimer(from, (Item)targeted, m_Potion).Start();

            from.PlaySound(0x4F);

            if (!DuelContext.IsFreeConsume(from))
            {
              m_Potion.Consume();
              from.AddToBackpack(new Bottle());
            }
          }
          else // Target can't be poisoned
          {
            if (Core.AOS)
              from.SendLocalizedMessage(
                1060204); // You cannot poison that! You can only poison infectious weapons, food or drink.
            else
              from.SendLocalizedMessage(
                502145); // You cannot poison that! You can only poison bladed or piercing weapons, food or drink.
          }
        }

        private class InternalTimer : Timer
        {
          private Mobile m_From;
          private double m_MinSkill, m_MaxSkill;
          private Poison m_Poison;
          private Item m_Target;

          public InternalTimer(Mobile from, Item target, BasePoisonPotion potion) : base(TimeSpan.FromSeconds(2.0))
          {
            m_From = from;
            m_Target = target;
            m_Poison = potion.Poison;
            m_MinSkill = potion.MinPoisoningSkill;
            m_MaxSkill = potion.MaxPoisoningSkill;
            Priority = TimerPriority.TwoFiftyMS;
          }

          protected override void OnTick()
          {
            if (m_From.CheckTargetSkill(SkillName.Poisoning, m_Target, m_MinSkill, m_MaxSkill))
            {
              if (m_Target is Food food)
              {
                food.Poison = m_Poison;
              }
              else if (m_Target is BaseWeapon weapon)
              {
                weapon.Poison = m_Poison;
                weapon.PoisonCharges = 18 - m_Poison.Level * 2;
              }
              else if (m_Target is FukiyaDarts darts)
              {
                darts.Poison = m_Poison;
                darts.PoisonCharges = Math.Min(18 - m_Poison.Level * 2,
                  darts.UsesRemaining);
              }
              else if (m_Target is Shuriken shuriken)
              {
                shuriken.Poison = m_Poison;
                shuriken.PoisonCharges = Math.Min(18 - m_Poison.Level * 2,
                  shuriken.UsesRemaining);
              }

              m_From.SendLocalizedMessage(1010517); // You apply the poison

              Titles.AwardKarma(m_From, -20, true);
            }
            else // Failed
            {
              // 5% of chance of getting poisoned if failed
              if (m_From.Skills.Poisoning.Base < 80.0 && Utility.Random(20) == 0)
              {
                m_From.SendLocalizedMessage(502148); // You make a grave mistake while applying the poison.
                m_From.ApplyPoison(m_From, m_Poison);
              }
              else
              {
                if (m_Target is BaseWeapon weapon)
                {
                  if (weapon.Type == WeaponType.Slashing)
                    m_From.SendLocalizedMessage(
                      1010516); // You fail to apply a sufficient dose of poison on the blade
                  else
                    m_From.SendLocalizedMessage(
                      1010518); // You fail to apply a sufficient dose of poison
                }
                else
                {
                  m_From.SendLocalizedMessage(1010518); // You fail to apply a sufficient dose of poison
                }
              }
            }
          }
        }
      }
    }
  }
}