Deduct cost from warehouse

src/engine/gameManager/ForgeManager.java

@@ -124,6 +124,28 @@ public enum ForgeManager implements Runnable {
         workOrder.production_cost_total.putAll(workOrder.production_cost);
         workOrder.production_cost_total.forEach((key, value) -> workOrder.production_cost_total.compute(key, (k, v) -> v * workOrder.total_to_produce));
 
+        // Deduct gold cost from building
+
+        int strongbox = workOrder.vendor.building.getStrongboxValue();
+        int overflow = strongbox - workOrder.production_cost_total.get(mbEnums.ResourceType.GOLD);
+
+        if (overflow > 1 || workOrder.production_cost_total.size() > 1) {
+
+            // Deduct total cost from warehouse
+
+            City city = workOrder.vendor.building.getCity();
+
+            if (city == null)
+                return 1;
+
+            Warehouse warehouse = workOrder.vendor.building.getCity().warehouse;
+
+            if (warehouse == null)
+                return 1;
+
+            workOrder.production_cost_total.forEach((key, value) -> warehouse.resources.compute(key, (k, v) -> warehouse.resources.get(key) - value));
+        }
+
         // Create in-memory items and add to collections
 
         forgeWorkerOrderBatch(workOrder);