Fix a player's mob continuing to move after disconnecting (#1265)

Content.Client/GameObjects/EntitySystems/MoverSystem.cs

@@ -46,7 +46,7 @@ namespace Content.Client.GameObjects.EntitySystems
 
         protected override void SetController(PhysicsComponent physics)
         {
-            ((PhysicsComponent)physics).SetController<MoverController>();
+            physics.SetController<MoverController>();
         }
     }
 }

Content.Server/GameObjects/EntitySystems/MoverSystem.cs

@@ -79,7 +79,7 @@ namespace Content.Server.GameObjects.EntitySystems
 
         protected override void SetController(PhysicsComponent physics)
         {
-            ((PhysicsComponent) physics).SetController<MoverController>();
+            physics.SetController<MoverController>();
         }
 
         private static void PlayerAttached(PlayerAttachSystemMessage ev)
@@ -96,6 +96,11 @@ namespace Content.Server.GameObjects.EntitySystems
             {
                 ev.Entity.RemoveComponent<PlayerInputMoverComponent>();
             }
+
+            if (ev.Entity.TryGetComponent(out PhysicsComponent physics))
+            {
+                (physics.Controller as MoverController)?.StopMoving();
+            }
         }
 
         protected override void HandleFootsteps(IMoverComponent mover)

Content.Server/GameTicking/GameTicker.cs

@@ -22,6 +22,7 @@ using Content.Shared;
 using Content.Shared.Chat;
 using Content.Shared.GameObjects.Components.PDA;
 using Content.Shared.Jobs;
+using Content.Shared.Physics;
 using Content.Shared.Preferences;
 using Prometheus;
 using Robust.Server.Interfaces;
@@ -32,6 +33,7 @@ using Robust.Server.ServerStatus;
 using Robust.Shared.Configuration;
 using Robust.Shared.Enums;
 using Robust.Shared.GameObjects;
+using Robust.Shared.GameObjects.Components;
 using Robust.Shared.GameObjects.Systems;
 using Robust.Shared.Interfaces.Configuration;
 using Robust.Shared.Interfaces.GameObjects;

Content.Shared/GameObjects/Components/Movement/IMoverComponent.cs

@@ -45,7 +45,7 @@ namespace Content.Shared.GameObjects.Components.Movement
 
         /// <summary>
         ///     Toggles one of the four cardinal directions. Each of the four directions are
-        ///     composed into a single direction vector, <see cref="PlayerInputMoverComponent.VelocityDir"/>. Enabling
+        ///     composed into a single direction vector, <see cref="SharedPlayerInputMoverComponent.VelocityDir"/>. Enabling
         ///     opposite directions will cancel each other out, resulting in no direction.
         /// </summary>
         /// <param name="direction">Direction to toggle.</param>

Content.Shared/GameObjects/EntitySystems/SharedMoverSystem.cs

@@ -54,7 +54,6 @@ namespace Content.Shared.GameObjects.EntitySystems
             base.Shutdown();
         }
 
-
         protected void UpdateKinematics(ITransformComponent transform, IMoverComponent mover, PhysicsComponent physics,
             CollidableComponent? collider = null)
         {