haveToDispose of MouldAssemblyBuffer now checks whether the entity to be...

haveToDispose of MouldAssemblyBuffer now checks whether the entity to be disposed has manager, if yes performs default behaviour, otherwise checks if the manager is available

dream/simulation/MouldAssemblyBuffer.py

@@ -136,11 +136,16 @@ class MouldAssemblyBuffer(QueueManagedJob):
         # read the entity to be disposed
         index = 0
         activeEntity=None
-        for index in range(len(activeObjectQueue)):
-            if activeObjectQueue[index].order.componentsReadyForAssembly:
-                activeEntity=activeObjectQueue[index]
-                break
-            index +=1
+        for entity in activeObjectQueue:
+            if entity.order.componentsReadyForAssembly:
+                # if the entity has no manager
+                if entity.manager==None:
+                    activeEntity=entity
+                    break
+                # otherwise, if the manager of the entity is available
+                elif entity.manager.checkIfResourceIsAvailable:
+                    activeEntity=entity
+                    break
         # if there is no entity in the activeQ that its parentOrder has the flag componentsReadyForAssembly set  
         if not activeEntity:
         # return false