Audio occlusion parallelization (#2776)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Robust.Server/Debugging/DebugRayDrawingSystem.cs

@@ -0,0 +1,32 @@
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Network.Messages;
+using Robust.Shared.Physics;
+using Robust.Shared.Debugging;
+
+namespace Robust.Server.Debugging;
+
+[UsedImplicitly]
+internal sealed class DebugRayDrawingSystem : SharedDebugRayDrawingSystem
+{
+    protected override void ReceiveLocalRayAtMainThread(DebugRayData data)
+    {
+        // This code won't be called on release - eliminate it anyway for good measure.
+#if DEBUG
+        var msg = new MsgRay {RayOrigin = data.Ray.Position};
+        if (data.Results != null)
+        {
+            msg.DidHit = true;
+            msg.RayHit = data.Results.Value.HitPos;
+        }
+        else
+        {
+            msg.RayHit = data.Ray.Position + data.Ray.Direction * data.MaxLength;
+        }
+
+        EntityManager.EventBus.RaiseEvent(EventSource.Network, msg);
+#endif
+    }
+}
+