Work on multiple slot support

src/engine/loot/WorkOrder.java

@@ -28,6 +28,7 @@ public class WorkOrder implements Delayed {
     public int slots_used;
     public int total_to_produce;
     public int total_produced;
+    public int msg_size;
     public HashMap<mbEnums.ResourceType, Integer> production_cost = new HashMap<>();
     public HashMap<mbEnums.ResourceType, Integer> production_cost_total = new HashMap<>();
     public int templateID;

src/engine/net/client/handlers/ItemProductionMsgHandler.java

@@ -87,6 +87,7 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
                 workOrder.suffixToken = msg.sToken;
                 workOrder.item_name_override = msg.name;
                 workOrder.slots_used = 0;
+                workOrder.msg_size = msg.size;
 
                 // Validate vendor can roll this item