Make Saltern driveable (#4257)

* Broadphase refactor (content)

* Shuttle jank

* Fixes

* Testing jank

* Features and things

* Balance stuffsies

* AHHHHHHHHHHHHHHHH

* Mass and stuff working

* Fix drops

* Another balance pass

* Balance AGEN

* Add in stuff for rotating shuttles for debugging

* Nothing to see here

* Testbed stuffsies

* Fix some tests

* Fixen test

* Try fixing map

* Shuttle movement balance pass

* lasaggne

* Basic Helmsman console working

* Slight docking cleanup

* Helmsman requires power

* Basic shuttle test

* Stuff

* Fix computations

* Add shuttle console to saltern

* Rename helmsman to shuttleconsole

* Final stretch

* More tweaks

* Fix piloting prediction for now.

Content.Shared/Shuttles/SharedShuttleComponent.cs

@@ -0,0 +1,28 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Shared.Shuttles
+{
+    public abstract class SharedShuttleComponent : Component
+    {
+        public override string Name => "Shuttle";
+
+        [ViewVariables]
+        public virtual bool Enabled { get; set; } = true;
+
+        /// <summary>
+        /// How much our linear impulse is multiplied by.
+        /// </summary>
+        [ViewVariables(VVAccess.ReadWrite)]
+        public float SpeedMultipler { get; set; } = 200.0f;
+
+        [ViewVariables]
+        public ShuttleMode Mode { get; set; } = ShuttleMode.Docking;
+    }
+
+    public enum ShuttleMode : byte
+    {
+        Docking,
+        Cruise,
+    }
+}