79 lines
2.4 KiB
C#
79 lines
2.4 KiB
C#
using System;
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using System.Collections.Generic;
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namespace Server.Mobiles;
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public abstract class MonsterAbilitySingleTargetDoT : MonsterAbilitySingleTarget
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{
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private Dictionary<Mobile, ExpireTimer> _table;
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public virtual TimeSpan MinDelay => TimeSpan.FromSeconds(10.0);
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public virtual TimeSpan MaxDelay => TimeSpan.FromSeconds(10.0);
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protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
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{
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_table ??= new Dictionary<Mobile, ExpireTimer>();
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var duration = Utility.RandomMinMax(MinDelay, MaxDelay);
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var count = GetCount(source, defender);
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var timer = _table[defender] = new ExpireTimer(this, source, defender, duration, count);
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timer.Start();
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}
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protected virtual int GetCount(BaseCreature source, Mobile defender) => 1;
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protected abstract void EffectTick(BaseCreature source, Mobile defender, ref TimeSpan nextDelay);
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protected abstract void EndEffect(BaseCreature source, Mobile defender);
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protected abstract void OnEffectExpired(BaseCreature source, Mobile defender);
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public bool IsUnderEffect(Mobile defender) => _table?.ContainsKey(defender) == true;
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protected bool RemoveEffect(BaseCreature source, Mobile defender)
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{
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if (_table?.Remove(defender, out var timer) == true)
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{
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timer.Stop();
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EndEffect(source, defender);
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return true;
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}
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return false;
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}
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private class ExpireTimer : Timer
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{
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private BaseCreature _source;
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private Mobile _defender;
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private MonsterAbilitySingleTargetDoT _ability;
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public ExpireTimer(
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MonsterAbilitySingleTargetDoT ability,
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BaseCreature source,
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Mobile defender,
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TimeSpan delay,
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int count
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) : base(delay, delay, count)
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{
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_ability = ability;
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_source = source;
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_defender = defender;
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}
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protected override void OnTick()
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{
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var delay = RemainingCount == 0
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? TimeSpan.MinValue
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: Utility.RandomMinMax(_ability.MinDelay, _ability.MaxDelay);
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_ability.EffectTick(_source, _defender, ref delay);
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Interval = delay;
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if (RemainingCount == 0)
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{
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_ability.RemoveEffect(_source, _defender);
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_ability.OnEffectExpired(_source, _defender);
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}
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}
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}
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}
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