- npcs wont try grab items from other characters' inventories

- fixed lightcomponent LightSprites "twitching" when the sub is moving
- fixed null reference exceptions in Hull.Render if no submarine has been loaded
- submarine descriptions
- emergency sirens in Aegir & Vellamo
- changed the required item for fabricating a wire from "Copper" to "Copper Bar"

Subsurface/Source/Characters/Character.cs

@@ -756,7 +756,7 @@ namespace Barotrauma
             if (torso == null) return null;
 
             Vector2 pos = (torso.body.TargetPosition != Vector2.Zero) ? torso.body.TargetPosition : torso.SimPosition;
-            Vector2 pickPos = selectedConstruction == null ? mouseSimPos : ConvertUnits.ToSimUnits(selectedConstruction.WorldPosition);
+            Vector2 pickPos = mouseSimPos;
 
             if (Submarine != null)
             {
@@ -764,6 +764,8 @@ namespace Barotrauma
                 pickPos += Submarine.SimPosition;
             }
 
+            if (selectedConstruction != null) pickPos = ConvertUnits.ToSimUnits(selectedConstruction.WorldPosition);
+
             return Item.FindPickable(pos, pickPos, AnimController.CurrentHull, selectedItems);
         }