Revert "Physics (#3452)"

This reverts commit 3e64fd56a1.

Content.Server/GameObjects/Components/Movement/ShuttleControllerComponent.cs

@@ -10,8 +10,6 @@ using Robust.Shared.IoC;
 using Robust.Shared.Log;
 using Robust.Shared.Map;
 using Robust.Shared.Maths;
-using Robust.Shared.Physics;
-using Robust.Shared.Physics.Dynamics;
 using Robust.Shared.Serialization;
 using Robust.Shared.ViewVariables;
 
@@ -21,6 +19,8 @@ namespace Content.Server.GameObjects.Components.Movement
     [ComponentReference(typeof(IMoverComponent))]
     internal class ShuttleControllerComponent : Component, IMoverComponent
     {
+        [Dependency] private readonly IMapManager _mapManager = default!;
+
         private bool _movingUp;
         private bool _movingDown;
         private bool _movingLeft;
@@ -39,19 +39,43 @@ namespace Content.Server.GameObjects.Components.Movement
 
         public override string Name => "ShuttleController";
 
-        public bool IgnorePaused => false;
-
         [ViewVariables(VVAccess.ReadWrite)]
         public float CurrentWalkSpeed { get; } = 8;
         public float CurrentSprintSpeed => 0;
 
+        /// <inheritdoc />
+        [ViewVariables]
+        public float CurrentPushSpeed => 0.0f;
+
+        /// <inheritdoc />
+        [ViewVariables]
+        public float GrabRange => 0.0f;
+
         public bool Sprinting => false;
 
-        public (Vector2 walking, Vector2 sprinting) VelocityDir { get; set; } = (Vector2.Zero, Vector2.Zero);
+        public (Vector2 walking, Vector2 sprinting) VelocityDir { get; } = (Vector2.Zero, Vector2.Zero);
+        public EntityCoordinates LastPosition { get; set; }
+        public float StepSoundDistance { get; set; }
 
         public void SetVelocityDirection(Direction direction, ushort subTick, bool enabled)
         {
-            VelocityDir = (CalcNewVelocity(direction, enabled), Vector2.Zero);
+            var gridId = Owner.Transform.GridID;
+
+            if (_mapManager.TryGetGrid(gridId, out var grid) &&
+                Owner.EntityManager.TryGetEntity(grid.GridEntityId, out var gridEntity))
+            {
+                //TODO: Switch to shuttle component
+                if (!gridEntity.TryGetComponent(out IPhysicsComponent? physics))
+                {
+                    physics = gridEntity.AddComponent<PhysicsComponent>();
+                    physics.Mass = 1;
+                    physics.CanCollide = true;
+                    physics.PhysicsShapes.Add(new PhysShapeGrid(grid));
+                }
+
+                var controller = physics.EnsureController<ShuttleController>();
+                controller.Push(CalcNewVelocity(direction, enabled), CurrentWalkSpeed);
+            }
         }
 
         public void SetSprinting(ushort subTick, bool walking)