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Old 03-24-2011, 11:18 AM   #1
daweefolk
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python: writing to a curses window from a class


I'm trying to make a game in python with a nethack-style map, I'm using the curses module to organize my screen.
I have a class in a module (characters.py) called "Character", which will control npc movement. How can I make it so, when an npc moves or is created, the curses window mapwin in the main file (main.py) updates?
Something like (in the Characters class)
Code:
def __init__(self,y,x):
  self.y=y#track character's
  self.x=x#y and x location
  main.mapwin.addstr(self.y,self.x,"Q")
  #when created, place new character on 
  #map with the symbol "Q"
  main.mapwin.refresh()
I can't figure out how to access the curses windows from an external class. Is it even possible?
 
Old 03-24-2011, 12:24 PM   #2
Snark1994
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Registered: Sep 2010
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You'd have to pass it to the class. What you could do is add another variable:
Code:
class Characters:
    window = None
    def __init__(self,y,x,window=None):
        self.y = y
        self.x = x

        if window != None:
            Characters.window = window
        Characters.window.addstr(self.y,self.x,"Q")
        Characters.window.refresh()
You would then at some point need to initialise a character and pass the 'window' argument, so it sets the variable for all characters. Alternatively, you could remove it from the constructor, and make a new function called "setClassWindow(window)" or something similar, which just sets "Characters.window = window"
 
  


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