61 lines
2.0 KiB
C#
61 lines
2.0 KiB
C#
using Content.Shared.Interaction;
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namespace Content.Shared.MouseRotator;
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/// <summary>
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/// This handles rotating an entity based on mouse location
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/// </summary>
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/// <see cref="MouseRotatorComponent"/>
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public abstract class SharedMouseRotatorSystem : EntitySystem
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{
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[Dependency] private readonly RotateToFaceSystem _rotate = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeAllEvent<RequestMouseRotatorRotationEvent>(OnRequestRotation);
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}
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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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// TODO maybe `ActiveMouseRotatorComponent` to avoid querying over more entities than we need?
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// (if this is added to players)
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// (but arch makes these fast anyway, so)
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var query = EntityQueryEnumerator<MouseRotatorComponent, TransformComponent>();
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while (query.MoveNext(out var uid, out var rotator, out var xform))
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{
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if (rotator.GoalRotation == null)
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continue;
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if (_rotate.TryRotateTo(
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uid,
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rotator.GoalRotation.Value,
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frameTime,
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rotator.AngleTolerance,
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MathHelper.DegreesToRadians(rotator.RotationSpeed),
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xform))
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{
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// Stop rotating if we finished
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rotator.GoalRotation = null;
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Dirty(uid, rotator);
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}
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}
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}
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private void OnRequestRotation(RequestMouseRotatorRotationEvent msg, EntitySessionEventArgs args)
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{
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if (args.SenderSession.AttachedEntity is not { } ent
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|| !TryComp<MouseRotatorComponent>(ent, out var rotator))
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{
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Log.Error($"User {args.SenderSession.Name} ({args.SenderSession.UserId}) tried setting local rotation directly without a valid mouse rotator component attached!");
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return;
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}
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rotator.GoalRotation = msg.Rotation;
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Dirty(ent, rotator);
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}
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}
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