ModernUO/Projects/UOContent/Items/Weapons/Abilities/ParalyzingBlow.cs
2021-12-02 11:49:36 -08:00

111 lines
3.5 KiB
C#

using System;
using System.Collections.Generic;
namespace Server.Items
{
/// <summary>
/// A successful Paralyzing Blow will leave the target stunned, unable to move, attack, or cast spells, for a few seconds.
/// </summary>
public class ParalyzingBlow : WeaponAbility
{
public static readonly TimeSpan PlayerFreezeDuration = TimeSpan.FromSeconds(3.0);
public static readonly TimeSpan NPCFreezeDuration = TimeSpan.FromSeconds(6.0);
public static readonly TimeSpan FreezeDelayDuration = TimeSpan.FromSeconds(8.0);
private static readonly Dictionary<Mobile, TimerExecutionToken> _table = new();
public override int BaseMana => 30;
// When using Wrestling, tactics isn't needed.
public override bool RequiresTactics(Mobile from) =>
Core.AOS && from.Weapon is not BaseWeapon { Skill: SkillName.Wrestling };
public override bool CheckSkills(Mobile from)
{
if (!base.CheckSkills(from))
{
return false;
}
if (Core.AOS || from.Weapon is not Fists)
{
return true;
}
if (from.Skills[SkillName.Anatomy] is { Value: >= 80.0 })
{
return true;
}
from.SendLocalizedMessage(1061811); // You lack the required anatomy skill to perform that attack!
return false;
}
public override bool OnBeforeSwing(Mobile attacker, Mobile defender)
{
if (defender.Paralyzed)
{
attacker.SendLocalizedMessage(1061923); // The target is already frozen.
return false;
}
return true;
}
public override void OnHit(Mobile attacker, Mobile defender, int damage)
{
if (!Validate(attacker) || !CheckMana(attacker, true))
{
return;
}
ClearCurrentAbility(attacker);
if (IsImmune(defender)) // Intentionally going after Mana consumption
{
attacker.SendLocalizedMessage(1070804); // Your target resists paralysis.
defender.SendLocalizedMessage(1070813); // You resist paralysis.
return;
}
defender.FixedEffect(0x376A, 9, 32);
defender.PlaySound(0x204);
attacker.SendLocalizedMessage(1060163); // You deliver a paralyzing blow!
defender.SendLocalizedMessage(1060164); // The attack has temporarily paralyzed you!
var duration = defender.Player ? PlayerFreezeDuration : NPCFreezeDuration;
// Pub 21: Treat it as paralyze, not as freeze, effect must be removed when damaged.
if (Core.AOS)
{
defender.Paralyze(duration);
}
else
{
defender.Freeze(duration);
}
BeginImmunity(defender, duration + FreezeDelayDuration);
}
public static bool IsImmune(Mobile m) => _table.ContainsKey(m);
public static void BeginImmunity(Mobile m, TimeSpan duration)
{
EndImmunity(m);
Timer.StartTimer(duration, () => EndImmunity(m), out var timerToken);
_table[m] = timerToken;
}
public static void EndImmunity(Mobile m)
{
if (_table.Remove(m, out var timerToken))
{
timerToken.Cancel();
}
}
}
}