45 lines
2.2 KiB
C#
45 lines
2.2 KiB
C#
namespace BardFrontline.Core;
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// One outstanding native request. Cooldown changes alone are insufficient for a cleanse: wait for acknowledgement.
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public sealed class RequestGate
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{
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public ActionDecision? Pending { get; private set; }
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private double sentAt;
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private ushort beforeSequence;
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private bool sequenceObserved;
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private ushort requestSequence;
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private readonly Dictionary<(Skill, ulong), double> failures = [];
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public string Reason { get; private set; } = "";
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public void Submitted(ActionDecision decision, double now, ushort before, ushort after)
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{
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Pending = decision; sentAt = now; beforeSequence = before;
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sequenceObserved = after != before; requestSequence = after; Reason = "等待动作确认";
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}
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public bool Update(double now, ushort used, ushort handled, bool guardActive, bool cleansingStateChanged, bool ownedCastInProgress = false)
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{
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if (Pending == null) return false;
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if (!sequenceObserved && used != beforeSequence) { sequenceObserved = true; requestSequence = used; }
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var acknowledged = sequenceObserved && unchecked((short)(handled - requestSequence)) >= 0;
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var elapsed = now - sentAt;
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var release = Pending.Skill switch
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{
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Skill.Guard => guardActive || acknowledged && elapsed >= .5,
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Skill.Purify or Skill.WardensPaean => cleansingStateChanged || acknowledged && elapsed >= .5,
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_ => acknowledged && elapsed >= .1,
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};
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if (release) { Pending = null; Reason = ""; return false; }
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if (ownedCastInProgress) return true;
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if (elapsed < 2) return true;
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Fail(Pending, now, "动作确认超时，短暂退避"); Pending = null;
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return false;
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}
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public bool IsBlocked(Skill s, ulong id, double now) => failures.TryGetValue((s, id), out var until) && until > now;
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public void Fail(ActionDecision d, double now, string reason)
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{
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failures[(d.Skill, d.TargetId)] = now + .5; Reason = reason;
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foreach (var key in failures.Where(x => x.Value <= now).Select(x => x.Key).ToArray()) failures.Remove(key);
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}
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public void Reset() { Pending = null; failures.Clear(); Reason = ""; }
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}
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