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.IntegrationTests/Tests/ShuttleTest.cs

@@ -0,0 +1,49 @@
+#nullable enable
+using System.Threading.Tasks;
+using Content.Server.Shuttles;
+using NUnit.Framework;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+using Robust.Shared.Maths;
+using Robust.Shared.Physics;
+
+namespace Content.IntegrationTests.Tests
+{
+    [TestFixture]
+    public class ShuttleTest : ContentIntegrationTest
+    {
+        [Test]
+        public async Task Test()
+        {
+            var server = StartServer();
+
+            await server.WaitIdleAsync();
+
+            var entMan = server.ResolveDependency<IEntityManager>();
+            var mapMan = server.ResolveDependency<IMapManager>();
+            IEntity? gridEnt = null;
+
+            await server.WaitAssertion(() =>
+            {
+                var mapId = mapMan.CreateMap();
+                var grid = mapMan.CreateGrid(mapId);
+                gridEnt = entMan.GetEntity(grid.GridEntityId);
+
+                Assert.That(gridEnt.TryGetComponent(out ShuttleComponent? shuttleComponent));
+                Assert.That(gridEnt.TryGetComponent(out PhysicsComponent? physicsComponent));
+                Assert.That(physicsComponent!.BodyType, Is.EqualTo(BodyType.Dynamic));
+                Assert.That(gridEnt.Transform.LocalPosition, Is.EqualTo(Vector2.Zero));
+                physicsComponent.ApplyLinearImpulse(Vector2.One);
+            });
+
+            // TODO: Should have tests that collision + rendertree + pointlights work on a moved grid but I'll deal with that
+            // when we get rotations.
+            await server.WaitRunTicks(1);
+
+            await server.WaitAssertion(() =>
+            {
+                Assert.That(gridEnt?.Transform.LocalPosition, Is.Not.EqualTo(Vector2.Zero));
+            });
+        }
+    }
+}