50 lines
1.8 KiB
C#
50 lines
1.8 KiB
C#
using Content.Shared.Random.Helpers;
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using Content.Shared.StatusEffectNew.Components;
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using Content.Shared.StatusEffectNew;
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using Robust.Shared.Prototypes;
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using Robust.Shared.Random;
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using Robust.Shared.Timing;
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namespace Content.Shared._Offbrand.StatusEffects;
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public sealed class CauseStatusEffectRandomlyStatusEffectSystem : EntitySystem
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{
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[Dependency] private readonly IGameTiming _timing = default!;
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[Dependency] private readonly StatusEffectsSystem _statusEffects = default!;
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public override void Update(float frameTime)
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{
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base.Update(frameTime);
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var enumerator = EntityQueryEnumerator<StatusEffectComponent, CauseStatusEffectRandomlyStatusEffectComponent>();
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var statusEffectsToAdd = new List<(EntityUid, EntProtoId, TimeSpan)>();
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while (enumerator.MoveNext(out var uid, out var effect, out var randomEffects))
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{
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if (_timing.CurTime < randomEffects.NextUpdate || effect.AppliedTo is not { } target)
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continue;
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randomEffects.NextUpdate = _timing.CurTime + randomEffects.UpdateInterval;
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Dirty(uid, randomEffects);
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var seed = SharedRandomExtensions.HashCodeCombine(new() { (int)_timing.CurTick.Value, GetNetEntity(uid).Id });
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var rand = new System.Random(seed);
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if (!rand.Prob(randomEffects.Probability))
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continue;
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foreach (var (proto, duration) in randomEffects.Effects)
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{
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// work around a concurrent modification exception
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statusEffectsToAdd.Add((target, proto, duration));
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}
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}
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// work around a concurrent modification exception
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foreach (var (target, proto, duration) in statusEffectsToAdd)
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{
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_statusEffects.TryAddStatusEffectDuration(target, proto, out _, duration);
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}
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}
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}
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