1.1 --- a/snake.py	Mon Dec 20 00:45:40 2010 +0300
     1.2 +++ b/snake.py	Mon Dec 20 00:46:59 2010 +0300
     1.3 @@ -94,10 +94,12 @@
     1.4  
     1.5          Cell is defined by one character.
     1.6          """
     1.7 -        assert char.lower() in self.codes, "Illegal symbol in rule: %s" % char
     1.8 +        is_my = char.islower()
     1.9 +        char = char.lower()
    1.10 +        assert char in self.codes, "Illegal symbol in rule: %s" % char
    1.11          cell = engine.Cell(x, y, self.snake)
    1.12          if char in 'htb':
    1.13 -            if char.islower():
    1.14 +            if is_my:
    1.15                  cell.snake_type = 'my'
    1.16              else:
    1.17                  cell.snake_type = 'enemy'
    1.18 @@ -105,7 +107,7 @@
    1.19              assert (x, y) == (3, 3), "Own head must in the center of rule"
    1.20          if (x, y) == (3, 3):
    1.21              assert char == 'h', "In the center of rule must be own head"
    1.22 -        cell.type = self.codes[char.lower()]
    1.23 +        cell.type = self.codes[char]
    1.24          self.pattern[x, y] = cell
    1.25  
    1.26      def applies (self, field, x, y):