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� 6��fc @ s� d d l Z d d l Z d d l Z d d l Z d d d � � YZ d � Z d � Z d � Z d � Z e d k r� e j e � n d S( i����Nt LifeBoardc B sP e Z d Z e d � d � Z d � Z d � Z d � Z e d � Z d � Z RS( s� Encapsulates a Life board Attributes: X,Y : horizontal and vertical size of the board state : dictionary mapping (x,y) to 0 or 1 Methods: display(update_board) -- If update_board is true, compute the next generation. Then display the state of the board and refresh the screen. erase() -- clear the entire board makeRandom() -- fill the board randomly set(y,x) -- set the given cell to Live; doesn't refresh the screen toggle(y,x) -- change the given cell from live to dead, or vice versa, and refresh the screen display t *c C s i | _ | | _ | j j � \ } } | d | d d | _ | _ | | _ | j j � d | j d d } | j j d d | � | j j | j d d | � xU t d | j � D]A } | j j d | d d � | j j d | | j d d � q� W| j j � d S( s� Create a new LifeBoard instance. scr -- curses screen object to use for display char -- character used to render live cells (default: '*') i i t +t -i t |N( t statet scrt getmaxyxt Xt Yt chart cleart addstrt ranget refresh( t selfR R R R t border_linet y( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt __init__) s %c C sc | d k s6 | j | k s6 | d k s6 | j | k rL t d | | f � n d | j | | f <d S( s Set a cell to the live statei s Coordinates out of range %i,%ii N( R R t ValueErrorR ( R R t x( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt set? s 6c C s� | d k s6 | j | k s6 | d k s6 | j | k rL t d | | f � n | j j | | f � r� | j | | f =| j j | d | d d � n4 d | j | | f <| j j | d | d | j � | j j � d S( s+ Toggle a cell's state between live and deadi s Coordinates out of range %i,%ii t N( R R R R t has_keyR t addchR R ( R R R ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt toggleE s 6!!c C s i | _ | j d t � d S( s3 Clear the entire board and update the board displayt update_boardN( R t displayt False( R ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt eraseQ s c C sw | j | j } } | s� x� t d | � D]z } xq t d | � D]` } | j j | | f � r� | j j | d | d | j � q? | j j | d | d d � q? Wq) W| j j � d Si } d | _ x�t d | � D]�} t t d | d � t | | d � � } xPt d | � D]?} d } | j j | | f � } xg t t d | d � t | | d � � D]< } x3 | D]+ } | j j | | f � rq| d 7} qqqqWqdW| | 8} | d k r d | | | f <| j j | d | d | j � | sUd | _ qUq| d k r%| r%d | | | f <q| r| j j | d | d d � d | _ qqWq� W| | _ | j j � d S( s< Display the whole board, optionally computing one generationi i R Ni i ( R R R R R R R R R t boringt maxt min( R R t Mt Nt it jt dt Lt st livet kt l( ( s( /usr/lib64/python2.7/Demo/curses/life.pyR V sB $& )0 ! c C sl i | _ x\ t d | j � D]H } x? t d | j � D]+ } t j � d k r5 | j | | � q5 q5 Wq Wd S( s$ Fill the board with a random patterni g �?N( R R R R t randomR ( R R# R$ ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt makeRandom| s ( t __name__t __module__t __doc__t ordR R R R t TrueR R, ( ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyR s &c C s< | j | d � | j � | j | d d � | j � d S( s& Clear the space where the menu residesi i N( t movet clrtoeol( t stdscrt menu_y( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt erase_menu� s c C s; t | | � | j | d d � | j | d d d � d S( s/ Display the menu of possible keystroke commandsi sA Use the cursor keys to move, and space or Enter to toggle a cell.i sB E)rase the board, R)andom fill, S)tep once or C)ontinuously, Q)uitN( R6 R ( R4 R5 ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt display_menu� s c C s� | j � | j � \ } } | d d } t | | � | j | d | d d � } t | d t d � �} | j d t � | j d | j d } } xP| j d | d | � | j � } d | k o� d k n r8t | � } | d k r| j | | � q�| d k r�t | | � | j | d d � | j � | j d � xc | j � } | d k rfPn | j d d d � | j � | j � | j d d d � | j � qJ| j d � t | | � q�| d k r�| j � q�| d k r�Pq�| d k r | j � | j d t � q�| d k r�| j � q�q� | t j k r`| d k r`| d 8} q� | t j k r�| | j d k r�| d 7} q� | t j k r�| d k r�| d 8} q� | t j k r� | | j d k r� | d 7} q� q� d S( Ni i i R R R i i s t Cci s6 Hit any key to stop continuously updating the screen.i����t /R t Eet Qqt Rrt Ss( R R R7 t subwinR R0 R R R R R2 t getcht chrR R6 R R t nodelayR R, t cursest KEY_UPt KEY_DOWNt KEY_LEFTt KEY_RIGHT( R4 t stdscr_yt stdscr_xR5 R> t boardt xpost ypost c( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt keyloop� sd " " c C s t | � d S( N( RM ( R4 ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt main� s t __main__( ( R+ t stringt tracebackRB R R6 R7 RM RN R- t wrapper( ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt <module> s $ n ?