- handheld sonar

- junction boxes, sonar monitors, navigation terminals and engines break down if they're underwater long enough
- reactor cools down if it's underwater
- job-specific gear are grouped by job in separate .xml files

Subsurface/Source/Items/Components/ItemComponent.cs

@@ -111,6 +111,13 @@ namespace Barotrauma.Items.Components
             set { canBePicked = value; }
         }
 
+        [HasDefaultValue(false, false)]
+        public bool DrawHudWhenEquipped
+        {
+            get;
+            private set;
+        }
+
         [HasDefaultValue(false, false)]
         public bool CanBeSelected
         {