ModernUO/Projects/Scripts/Skills/Provocation.cs

using System;
using Server.Items;
using Server.Mobiles;
using Server.Targeting;

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

    public static TimeSpan OnUse(Mobile m)
    {
      m.RevealingAction();

      BaseInstrument.PickInstrument(m, OnPickedInstrument);

      return TimeSpan.FromSeconds(1.0); // Cannot use another skill for 1 second
    }

    public static void OnPickedInstrument(Mobile from, BaseInstrument instrument)
    {
      from.RevealingAction();
      from.SendLocalizedMessage(501587); // Whom do you wish to incite?
      from.Target = new InternalFirstTarget(from, instrument);
    }

    private class InternalFirstTarget : Target
    {
      private BaseInstrument m_Instrument;

      public InternalFirstTarget(Mobile from, BaseInstrument instrument) : base(
        BaseInstrument.GetBardRange(from, SkillName.Provocation), false, TargetFlags.None) =>
        m_Instrument = instrument;

      protected override void OnTarget(Mobile from, object targeted)
      {
        from.RevealingAction();

        if (targeted is BaseCreature creature && from.CanBeHarmful(creature, true))
        {
          if (!m_Instrument.IsChildOf(from.Backpack))
          {
            from.SendLocalizedMessage(
              1062488); // The instrument you are trying to play is no longer in your backpack!
          }
          else if (creature.Controlled)
          {
            from.SendLocalizedMessage(501590); // They are too loyal to their master to be provoked.
          }
          else if (creature.IsParagon && BaseInstrument.GetBaseDifficulty(creature) >= 160.0)
          {
            from.SendLocalizedMessage(1049446); // You have no chance of provoking those creatures.
          }
          else
          {
            from.RevealingAction();
            m_Instrument.PlayInstrumentWell(from);
            from.SendLocalizedMessage(
              1008085); // You play your music and your target becomes angered.  Whom do you wish them to attack?
            from.Target = new InternalSecondTarget(from, m_Instrument, creature);
          }
        }
        else
        {
          from.SendLocalizedMessage(501589); // You can't incite that!
        }
      }
    }

    private class InternalSecondTarget : Target
    {
      private BaseCreature m_Creature;
      private BaseInstrument m_Instrument;

      public InternalSecondTarget(Mobile from, BaseInstrument instrument, BaseCreature creature) : base(
        BaseInstrument.GetBardRange(from, SkillName.Provocation), false, TargetFlags.None)
      {
        m_Instrument = instrument;
        m_Creature = creature;
      }

      protected override void OnTarget(Mobile from, object targeted)
      {
        from.RevealingAction();

        if (targeted is BaseCreature creature)
        {
          if (!m_Instrument.IsChildOf(from.Backpack))
          {
            from.SendLocalizedMessage(
              1062488); // The instrument you are trying to play is no longer in your backpack!
          }
          else if (m_Creature.Unprovokable)
          {
            from.SendLocalizedMessage(1049446); // You have no chance of provoking those creatures.
          }
          else if (creature.Unprovokable && !(creature is DemonKnight))
          {
            from.SendLocalizedMessage(1049446); // You have no chance of provoking those creatures.
          }
          else if (m_Creature.Map != creature.Map || !m_Creature.InRange(creature,
                     BaseInstrument.GetBardRange(from, SkillName.Provocation)))
          {
            from.SendLocalizedMessage(
              1049450); // The creatures you are trying to provoke are too far away from each other for your music to have an effect.
          }
          else if (m_Creature != creature)
          {
            from.NextSkillTime = Core.TickCount + 10000;

            double diff = (m_Instrument.GetDifficultyFor(m_Creature) + m_Instrument.GetDifficultyFor(creature)) *
                          0.5 - 5.0;
            double music = from.Skills.Musicianship.Value;

            if (music > 100.0)
              diff -= (music - 100.0) * 0.5;

            if (from.CanBeHarmful(m_Creature, true) && from.CanBeHarmful(creature, true))
            {
              if (!BaseInstrument.CheckMusicianship(from))
              {
                from.NextSkillTime = Core.TickCount + 5000;
                from.SendLocalizedMessage(500612); // You play poorly, and there is no effect.
                m_Instrument.PlayInstrumentBadly(from);
                m_Instrument.ConsumeUse(from);
              }
              else
              {
                //from.DoHarmful( m_Creature );
                //from.DoHarmful( creature );

                if (!from.CheckTargetSkill(SkillName.Provocation, creature, diff - 25.0, diff + 25.0))
                {
                  from.NextSkillTime = Core.TickCount + 5000;
                  from.SendLocalizedMessage(501599); // Your music fails to incite enough anger.
                  m_Instrument.PlayInstrumentBadly(from);
                  m_Instrument.ConsumeUse(from);
                }
                else
                {
                  from.SendLocalizedMessage(501602); // Your music succeeds, as you start a fight.
                  m_Instrument.PlayInstrumentWell(from);
                  m_Instrument.ConsumeUse(from);
                  m_Creature.Provoke(from, creature, true);
                }
              }
            }
          }
          else
          {
            from.SendLocalizedMessage(501593); // You can't tell someone to attack themselves!
          }
        }
        else
        {
          from.SendLocalizedMessage(501589); // You can't incite that!
        }
      }
    }
  }
}