55 lines
2.5 KiB
C#
55 lines
2.5 KiB
C#
using Content.Server.Xenoarchaeology.Artifact.XAE.Components;
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using Content.Shared.Mind.Components;
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using Content.Shared.Mobs.Components;
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using Content.Shared.Teleportation.Systems;
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using Content.Shared.Xenoarchaeology.Artifact;
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using Content.Shared.Xenoarchaeology.Artifact.XAE;
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using Robust.Shared.Collections;
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using Robust.Shared.Containers;
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using Robust.Shared.Random;
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using Robust.Shared.Timing;
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namespace Content.Server.Xenoarchaeology.Artifact.XAE;
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/// <summary>
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/// System for xeno artifact effect that creates temporary portal between places on station.
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/// </summary>
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public sealed class XAEPortalSystem : BaseXAESystem<XAEPortalComponent>
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{
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[Dependency] private readonly IRobustRandom _random = default!;
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[Dependency] private readonly LinkedEntitySystem _link = default!;
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[Dependency] private readonly SharedTransformSystem _transform = default!;
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[Dependency] private readonly SharedContainerSystem _container = default!;
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[Dependency] private readonly IGameTiming _timing = default!;
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/// <inheritdoc />
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protected override void OnActivated(Entity<XAEPortalComponent> ent, ref XenoArtifactNodeActivatedEvent args)
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{
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var map = Transform(ent).MapID;
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var validMinds = new ValueList<EntityUid>();
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var mindQuery = EntityQueryEnumerator<MindContainerComponent, MobStateComponent, TransformComponent, MetaDataComponent>();
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while (mindQuery.MoveNext(out var uid, out var mc, out _, out var xform, out var meta))
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{
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// check if the MindContainer has a Mind and if the entity is not in a container (this also auto excludes AI) and if they are on the same map
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if (mc.HasMind && !_container.IsEntityOrParentInContainer(uid, meta: meta, xform: xform) && xform.MapID == map)
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{
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validMinds.Add(uid);
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}
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}
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// this would only be 0 if there were a station full of AIs and no one else, in that case just stop this function
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if (validMinds.Count == 0)
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return;
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if(!TrySpawnNextTo(ent.Comp.PortalProto, args.Artifact, out var firstPortal))
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return;
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var target = _random.Pick(validMinds);
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if(!TrySpawnNextTo(ent.Comp.PortalProto, target, out var secondPortal))
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return;
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// Manual position swapping, because the portal that opens doesn't trigger a collision, and doesn't teleport targets the first time.
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_transform.SwapPositions(target, args.Artifact.Owner);
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_link.TryLink(firstPortal.Value, secondPortal.Value, true);
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}
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}
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