Fix shuttle audio clipping (#27527)

Changed engine to use grid local-center and very high maxdistance / refdistance values so it's seamless.

Content.Server/Shuttles/Components/FTLComponent.cs

@@ -50,6 +50,9 @@ public sealed partial class FTLComponent : Component
         Params = AudioParams.Default.WithVolume(-3f).WithLoop(true)
     };
 
+    [DataField]
+    public EntityUid? StartupStream;
+
     [DataField]
     public EntityUid? TravelStream;
 }

Content.Server/Shuttles/Systems/ShuttleSystem.FasterThanLight.cs

@@ -24,6 +24,7 @@ using Robust.Shared.Map;
 using Robust.Shared.Map.Components;
 using Robust.Shared.Physics;
 using Robust.Shared.Physics.Components;
+using Robust.Shared.Player;
 using Robust.Shared.Utility;
 using FTLMapComponent = Content.Shared.Shuttles.Components.FTLMapComponent;
 
@@ -343,12 +344,8 @@ public sealed partial class ShuttleSystem
         component = AddComp<FTLComponent>(uid);
         component.State = FTLState.Starting;
         var audio = _audio.PlayPvs(_startupSound, uid);
-        audio.Value.Component.Flags |= AudioFlags.GridAudio;
+        _audio.SetGridAudio(audio);
-
+        component.StartupStream = audio?.Entity;
-        if (_physicsQuery.TryGetComponent(uid, out var gridPhysics))
-        {
-            _transform.SetLocalPosition(audio.Value.Entity, gridPhysics.LocalCenter);
-        }
 
         // TODO: Play previs here for docking arrival.
 
@@ -377,6 +374,17 @@ public sealed partial class ShuttleSystem
         var body = _physicsQuery.GetComponent(entity);
         var shuttleCenter = body.LocalCenter;
 
+        // Leave audio at the old spot
+        // Just so we don't clip
+        if (fromMapUid != null && TryComp(comp.StartupStream, out AudioComponent? startupAudio))
+        {
+            var clippedAudio = _audio.PlayStatic(_startupSound, Filter.Broadcast(),
+                new EntityCoordinates(fromMapUid.Value, _maps.GetGridPosition(entity.Owner)), true, startupAudio.Params);
+
+            _audio.SetPlaybackPosition(clippedAudio, entity.Comp1.StartupTime);
+            clippedAudio.Value.Component.Flags |= AudioFlags.NoOcclusion;
+        }
+
         // Offset the start by buffer range just to avoid overlap.
         var ftlStart = new EntityCoordinates(ftlMap, new Vector2(_index + width / 2f, 0f) - shuttleCenter);
 
@@ -402,15 +410,7 @@ public sealed partial class ShuttleSystem
         // Audio
         var wowdio = _audio.PlayPvs(comp.TravelSound, uid);
         comp.TravelStream = wowdio?.Entity;
-        if (wowdio?.Component != null)
+        _audio.SetGridAudio(wowdio);
-        {
-            wowdio.Value.Component.Flags |= AudioFlags.GridAudio;
-
-            if (_physicsQuery.TryGetComponent(uid, out var gridPhysics))
-            {
-                _transform.SetLocalPosition(wowdio.Value.Entity, gridPhysics.LocalCenter);
-            }
-        }
     }
 
     /// <summary>
@@ -509,13 +509,7 @@ public sealed partial class ShuttleSystem
 
         comp.TravelStream = _audio.Stop(comp.TravelStream);
         var audio = _audio.PlayPvs(_arrivalSound, uid);
-        audio.Value.Component.Flags |= AudioFlags.GridAudio;
+        _audio.SetGridAudio(audio);
-        // TODO: Shitcode til engine fix
-
-        if (_physicsQuery.TryGetComponent(uid, out var gridPhysics))
-        {
-            _transform.SetLocalPosition(audio.Value.Entity, gridPhysics.LocalCenter);
-        }
 
         if (TryComp<FTLDestinationComponent>(uid, out var dest))
         {

Content.Server/Shuttles/Systems/ShuttleSystem.cs

@@ -41,6 +41,7 @@ public sealed partial class ShuttleSystem : SharedShuttleSystem
     [Dependency] private readonly MapLoaderSystem _loader = default!;
     [Dependency] private readonly MetaDataSystem _metadata = default!;
     [Dependency] private readonly SharedAudioSystem _audio = default!;
+    [Dependency] private readonly SharedMapSystem _maps = default!;
     [Dependency] private readonly SharedPhysicsSystem _physics = default!;
     [Dependency] private readonly SharedTransformSystem _transform = default!;
     [Dependency] private readonly ShuttleConsoleSystem _console = default!;