Cache CanMove (#7480)

Content.Shared/Movement/UpdateCanMoveEvent.cs

@@ -0,0 +1,17 @@
+using Content.Shared.Movement.Components;
+
+namespace Content.Shared.Movement;
+
+/// <summary>
+///     Raised whenever <see cref="IMoverComponent.CanMove"/> needs to be updated. Cancel this event to prevent a
+///     mover from moving.
+/// </summary>
+public sealed class UpdateCanMoveEvent : CancellableEntityEventArgs
+{
+    public UpdateCanMoveEvent(EntityUid uid)
+    {
+        Uid = uid;
+    }
+
+    public EntityUid Uid { get; }
+}