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comparison gamelib/gameboard.py @ 462:aba7f1439571

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avoid division by zero
author Adrianna Pińska <adrianna.pinska@gmail.com>
date Mon, 23 Nov 2009 21:06:16 +0000
parents 279caa00f3fa
children e3408c803b12
comparison
equal deleted inserted replaced
461:279caa00f3fa 462:aba7f1439571
841 return len([(x,y) for x in range(width) for y in range(height) if self.tv.get((x,y)) == self.WOODLAND]) 841 return len([(x,y) for x in range(width) for y in range(height) if self.tv.get((x,y)) == self.WOODLAND])
842 842
843 def calculate_wood_groat_exchange_rate(self): 843 def calculate_wood_groat_exchange_rate(self):
844 # per five planks 844 # per five planks
845 width, height = self.tv.size 845 width, height = self.tv.size
846 sell_price = float(10*width*height)/self.trees_left() 846 treesleft = max(1, self.trees_left())
847 sell_price = float(10*width*height)/treesleft
847 buy_price = sell_price*(1.1) 848 buy_price = sell_price*(1.1)
848 self.wood_sell_price, self.wood_buy_price = int(sell_price), int(buy_price) 849 self.wood_sell_price, self.wood_buy_price = int(sell_price), int(buy_price)
849 850
850 def save_game(self): 851 def save_game(self):
851 return serializer.simplify(self) 852 return serializer.simplify(self)