54 lines
1.7 KiB
C#
54 lines
1.7 KiB
C#
using System.Linq;
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using Content.Server.Instruments;
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using Content.Server.Xenoarchaeology.XenoArtifacts.Triggers.Components;
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namespace Content.Server.Xenoarchaeology.XenoArtifacts.Triggers.Systems;
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/// <summary>
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/// This handles activating an artifact when music is playing nearby
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/// </summary>
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public sealed class ArtifactMusicTriggerSystem : EntitySystem
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{
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[Dependency] private readonly ArtifactSystem _artifact = default!;
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private readonly List<Entity<ArtifactMusicTriggerComponent, TransformComponent>> _artifacts = new();
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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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_artifacts.Clear();
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var artifactQuery = EntityQueryEnumerator<ArtifactMusicTriggerComponent, TransformComponent>();
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while (artifactQuery.MoveNext(out var uid, out var trigger, out var xform))
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{
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_artifacts.Add((uid, trigger, xform));
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}
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if (!_artifacts.Any())
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return;
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List<EntityUid> toActivate = new();
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var query = EntityQueryEnumerator<ActiveInstrumentComponent, TransformComponent>();
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//assume that there's more instruments than artifacts
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while (query.MoveNext(out _, out var instXform))
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{
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foreach (var (uid, trigger, xform) in _artifacts)
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{
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if (!instXform.Coordinates.TryDistance(EntityManager, xform.Coordinates, out var distance))
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continue;
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if (distance > trigger.Range)
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continue;
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toActivate.Add(uid);
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}
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}
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foreach (var a in toActivate)
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{
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_artifact.TryActivateArtifact(a);
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}
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}
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}
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