Misc stealth and box changes (#11809)

* git mv

* Disable shader while box is open

* Hide entity menu / prevent examine

* fix recursion fix recursion fix recursion fix recursion

* Better visibility checks

* min and max visibility fields

* fix reference point

Content.Client/Verbs/VerbSystem.cs

@@ -108,18 +108,34 @@ namespace Content.Client.Verbs
                 ? Visibility
                 : Visibility | MenuVisibility.NoFov;
 
+
+            // Get entities
+            List<EntityUid> entities;
+
             // Do we have to do FoV checks?
             if ((visibility & MenuVisibility.NoFov) == 0)
             {
                 var entitiesUnderMouse = gameScreenBase.GetEntitiesUnderPosition(targetPos);
                 bool Predicate(EntityUid e) => e == player || entitiesUnderMouse.Contains(e);
+
+                // first check the general location.
                 if (!_examineSystem.CanExamine(player.Value, targetPos, Predicate))
                     return false;
-            }
 
-            // Get entities
-            var entities = _entityLookup.GetEntitiesInRange(targetPos, EntityMenuLookupSize)
-                .ToList();
+                TryComp(player.Value, out ExaminerComponent? examiner);
+
+                // Then check every entity
+                entities = new();
+                foreach (var ent in _entityLookup.GetEntitiesInRange(targetPos, EntityMenuLookupSize))
+                {
+                    if (_examineSystem.CanExamine(player.Value, targetPos, Predicate, ent, examiner))
+                        entities.Add(ent);
+                }
+            }
+            else
+            {
+                entities = _entityLookup.GetEntitiesInRange(targetPos, EntityMenuLookupSize).ToList();
+            }
 
             if (entities.Count == 0)
                 return false;