60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
using Content.Server.Shuttles.Components;
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using Content.Shared.Audio;
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using Robust.Shared.Audio;
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using Robust.Shared.Map;
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using Robust.Shared.Physics.Dynamics;
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using Robust.Shared.Physics.Events;
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using Robust.Shared.Player;
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namespace Content.Server.Shuttles.Systems;
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public sealed partial class ShuttleSystem
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{
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/// <summary>
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/// Minimum velocity difference between 2 bodies for a shuttle "impact" to occur.
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/// </summary>
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private const int MinimumImpactVelocity = 10;
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private readonly SoundCollectionSpecifier _shuttleImpactSound = new("ShuttleImpactSound");
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private void InitializeImpact()
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{
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SubscribeLocalEvent<ShuttleComponent, StartCollideEvent>(OnShuttleCollide);
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}
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private void OnShuttleCollide(EntityUid uid, ShuttleComponent component, ref StartCollideEvent args)
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{
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if (!HasComp<ShuttleComponent>(args.OtherEntity))
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return;
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var ourBody = args.OurBody;
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var otherBody = args.OtherBody;
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// TODO: Would also be nice to have a continuous sound for scraping.
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var ourXform = Transform(uid);
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if (ourXform.MapUid == null)
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return;
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var otherXform = Transform(args.OtherEntity);
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var ourPoint = ourXform.InvWorldMatrix.Transform(args.WorldPoint);
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var otherPoint = otherXform.InvWorldMatrix.Transform(args.WorldPoint);
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var ourVelocity = _physics.GetLinearVelocity(uid, ourPoint, ourBody, ourXform);
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var otherVelocity = _physics.GetLinearVelocity(args.OtherEntity, otherPoint, otherBody, otherXform);
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var jungleDiff = (ourVelocity - otherVelocity).Length();
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if (jungleDiff < MinimumImpactVelocity)
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{
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return;
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}
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var coordinates = new EntityCoordinates(ourXform.MapUid.Value, args.WorldPoint);
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var volume = MathF.Min(10f, 1f * MathF.Pow(jungleDiff, 0.5f) - 5f);
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var audioParams = AudioParams.Default.WithVariation(SharedContentAudioSystem.DefaultVariation).WithVolume(volume);
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_audio.PlayPvs(_shuttleImpactSound, coordinates, audioParams);
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}
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}
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