Predicted gas pumps (#33717)

* Predicted gas pumps

I wanted to try out atmos and first thing I found.

* a

* Remove details range

Content.Shared/UserInterface/ActivatableUIRequiresAnchorSystem.cs

@@ -0,0 +1,41 @@
+using Content.Shared.Popups;
+
+namespace Content.Shared.UserInterface;
+
+/// <summary>
+/// <see cref="ActivatableUIRequiresAnchorComponent"/>
+/// </summary>
+public sealed class ActivatableUIRequiresAnchorSystem : EntitySystem
+{
+    [Dependency] private readonly SharedPopupSystem _popup = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<ActivatableUIRequiresAnchorComponent, ActivatableUIOpenAttemptEvent>(OnActivatableUIOpenAttempt);
+        SubscribeLocalEvent<ActivatableUIRequiresAnchorComponent, BoundUserInterfaceCheckRangeEvent>(OnUICheck);
+    }
+
+    private void OnUICheck(Entity<ActivatableUIRequiresAnchorComponent> ent, ref BoundUserInterfaceCheckRangeEvent args)
+    {
+        if (args.Result == BoundUserInterfaceRangeResult.Fail)
+            return;
+
+        if (!Transform(ent.Owner).Anchored)
+        {
+            args.Result = BoundUserInterfaceRangeResult.Fail;
+        }
+    }
+
+    private void OnActivatableUIOpenAttempt(Entity<ActivatableUIRequiresAnchorComponent> ent, ref ActivatableUIOpenAttemptEvent args)
+    {
+        if (args.Cancelled)
+            return;
+
+        if (!Transform(ent.Owner).Anchored)
+        {
+            _popup.PopupClient(Loc.GetString("comp-gas-pump-ui-needs-anchor"), args.User);
+            args.Cancel();
+        }
+    }
+}