Comment added

src/engine/gameManager/ForgeManager.java

@@ -103,6 +103,8 @@ public enum ForgeManager implements Runnable {
 
         workOrder.production_cost = calcProductionCost(workOrder);
 
+        // Set total cost for this production run
+
         for (mbEnums.ResourceType resourceType : workOrder.production_cost.keySet())
             workOrder.production_cost.compute(resourceType, (k, resourceValue) -> resourceValue * workOrder.total_to_produce);