87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
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import re, sets, string, sys
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import color, commands, default, lex2, method, mode2, regex, tab2
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from point2 import Point
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from lex2 import Grammar, ConstantRule, PatternRule, ContextPatternRule, \
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RegionRule, DualRegionRule
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class Life(mode2.Fundamental):
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def __init__(self, w):
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mode2.Fundamental.__init__(self, w)
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self.add_action(LifeShiftLeft())
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self.add_action(LifeShiftRight())
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self.add_action_and_bindings(LifeDoTurn(), ('M-RETURN',))
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for c in string.letters + string.digits + string.punctuation:
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self.add_action_and_bindings(LifeInsertString(c), c)
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self.token = 'o'
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w.buffer.set_lines(self.normalize_board(), force=True)
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w.goto_beginning()
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def name(self):
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return "Life"
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def normalize_board(self):
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lines = self.window.buffer.lines
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s = ' ' * (self.window.width-1)
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newlines = [s] * (self.window.height-1)
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for i in range(0, min(len(lines), (self.window.height-1))):
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chars = [' '] * (self.window.width-1)
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for j in range(0, min(len(lines[i]), (self.window.height-1))):
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if lines[i][j] != ' ':
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chars[j] = self.token
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newlines[i] = ''.join(chars)
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return newlines
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class LifeShiftLeft(method.Method):
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def _execute(self, w, **vargs):
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newlines = list(w.buffer.lines)
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for i in range(0, len(newlines)):
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newlines[i] = newlines[i][10:] + newlines[i][:10]
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w.buffer.set_lines(newlines)
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w.goto_beginning()
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class LifeShiftRight(method.Method):
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def _execute(self, w, **vargs):
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newlines = list(w.buffer.lines)
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for i in range(0, len(newlines)):
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newlines[i] = newlines[i][-10:] + newlines[i][:-10]
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w.buffer.set_lines(newlines)
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w.goto_beginning()
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# insert text
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class LifeInsertString(method.Method):
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_is_method = False
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def __init__(self, s):
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self.name = "life-insert-string-%s" % (s)
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self.args = []
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self.help = "Insert %r into the current buffer." % s
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self.string = s
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def _execute(self, w, **vargs):
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if w.cursor_char() == '\n':
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return
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w.right_delete()
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w.insert_string_at_cursor(w.mode.token)
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class LifeDoTurn(method.Method):
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'''Run a turn of life on the current buffer'''
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def _execute(self, w, **vargs):
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lines = w.mode.normalize_board()
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newlines = list(lines)
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w.buffer.set_lines(lines)
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w.goto_beginning()
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for y in range(0, (w.height-1)):
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line = list(newlines[y])
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for x in range(0, (w.width-1)):
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on = lines[y][x] != ' '
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count = 0
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for (i,j) in ((-1, -1), (-1, 0), (-1, 1), (0, 1),
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(0, -1), (1, -1), (1, 0), (1, 1)):
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y2 = (y + i) % (w.height-2)
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x2 = (x + j) % (w.width-2)
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if lines[y2][x2] != ' ':
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count += 1
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if count == 3 or count == 2 and on:
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line[x] = w.mode.token
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else:
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line[x] = ' '
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newlines[y] = ''.join(line)
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w.buffer.set_lines(newlines)
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w.goto_beginning()
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