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#CFItemBroker.py
#An often used bit of code to add or remove a number of objects
#Useful for removing items (like in payment or as part of
#an inventory check) This is also useful for setting the number
#of a newly created item(s) as it will check for existing item(s) and add
#the appropriate number of new items avoiding such silliness as the
#number of the existing items being reset.
#This will not check for the existence of an item as that would better
#be done in the calling script so you can be flexible.
#
#ToddMitchell
import Crossfire
class Item:
def __init__(self, object):
self.object = object
self.numberof = self.object.Quantity
# 0 for non merging items
if self.numberof == 0:
self.numberof = 1
def add(self, number):
tmp = (self.numberof + number)-1
self.object.Quantity=tmp
return 1
def subtract(self, number):
remainder = self.numberof - number
if remainder >= number:
self.object.Quantity=remainder
return 1
elif remainder == 0:
self.object.Remove()
return 1
else:
return 0
def quantity(self):
return self.numberof
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