Rework of error handling.

src/engine/gameManager/ForgeManager.java

@@ -10,8 +10,10 @@ package engine.gameManager;
 
 import engine.loot.WorkOrder;
 import engine.mbEnums;
-import engine.net.client.msg.ErrorPopupMsg;
-import engine.objects.*;
+import engine.objects.Item;
+import engine.objects.ItemTemplate;
+import engine.objects.MobLoot;
+import engine.objects.Warehouse;
 import engine.powers.EffectsBase;
 import org.pmw.tinylog.Logger;
 
@@ -86,7 +88,12 @@ public enum ForgeManager implements Runnable {
         forgeManager.start();
     }
 
-    public static void submit(WorkOrder workOrder) {
+    public static int submit(WorkOrder workOrder) {
+
+        int validation_result = ForgeManager.validate(workOrder);
+
+        if (validation_result != 0)
+            return validation_result;
 
         workOrder.workOrderID = wordOrderCounter.incrementAndGet();
         workOrder.rollingDuration = ForgeManager.calcRollingDuration(workOrder);
@@ -111,39 +118,33 @@ public enum ForgeManager implements Runnable {
         Logger.info(workOrder.toString());
         workOrder.vendor.workOrders.add(workOrder);
         forge.add(workOrder);
+
+        return validation_result;
     }
 
-    public static boolean validate(PlayerCharacter playerCharacter, WorkOrder workOrder) {
+    public static int validate(WorkOrder workOrder) {
+
+        int validation_result = 0;
 
         ItemTemplate template = ItemTemplate.templates.get(workOrder.templateID);
 
-        if (!workOrder.vendor.charItemManager.hasRoomInventory(template.item_wt)) {
-            if (playerCharacter != null)
-                ErrorPopupMsg.sendErrorPopup(playerCharacter, 30);  //30: That person cannot carry that item
-            return false;
-        }
+        if (!workOrder.vendor.charItemManager.hasRoomInventory(template.item_wt))
+            return 30;  //30: That person cannot carry that item
 
-        if (!workOrder.vendor.getItemModTable().contains(((byte) template.modTable))) {
-            if (playerCharacter != null)
-                ErrorPopupMsg.sendErrorPopup(playerCharacter, 59);  //59: This hireling does not have this formula
-            return false;
-        }
+        if (!workOrder.vendor.getItemModTable().contains(((byte) template.modTable)))
+            return 59;   //59: This hireling does not have this formula
 
-        if (!calcCostOverrun(workOrder).isEmpty()) {
-            if (playerCharacter != null)
-                ErrorPopupMsg.sendErrorPopup(playerCharacter, 18);      //18: You can't really afford that
-            return false;
-        }
+
+        if (!calcCostOverrun(workOrder).isEmpty())
+            return 10;     //18: You can't really afford that
 
         // Forge must be protected in order to access warehouse.
 
         if (calcProductionCost(workOrder).size() > 1)
-            if (!workOrder.vendor.building.protectionState.equals(mbEnums.ProtectionState.PROTECTED)) {
-                if (playerCharacter != null)
-                    ErrorPopupMsg.sendErrorPopup(playerCharacter, 193);     //193: Production denied: This building must be protected to gain access to warehouse
-            }
+            if (!workOrder.vendor.building.protectionState.equals(mbEnums.ProtectionState.PROTECTED))
+                return 193;     //193: Production denied: This building must be protected to gain access to warehouse
 
-        return true;
+        return validation_result;
     }
 
     public static long calcRollingDuration(WorkOrder workOrder) {

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

@@ -88,14 +88,16 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
                 workOrder.item_name_override = msg.name;
                 workOrder.multiple_slot_request = msg.size;
 
-                // Validate vendor can roll this item
+                // Submit workOder to begin rolling items
 
-                if (ForgeManager.validate(player, workOrder) == false)
+                int validation_result = ForgeManager.submit(workOrder);
+
+                // workOrder cannot be completed
+
+                if (validation_result != 0) {
+                    ErrorPopupMsg.sendErrorPopup(player, validation_result);
                     return true;
-
-                // Start rolling the item(s)
-
-                ForgeManager.submit(workOrder);
+                }
 
                 //Create Multiple Item Function.. Fill all empty slots