1.1 --- a/main.py	Tue Dec 28 16:47:32 2010 +0300
     1.2 +++ b/main.py	Tue Dec 28 17:01:41 2010 +0300
     1.3 @@ -100,6 +100,8 @@
     1.4              return
     1.5          if self.snake_dead_check() == False:
     1.6              return
     1.7 +        if self.snake_move_check() == False:
     1.8 +            return
     1.9          self.step_id = self.step_id+1
    1.10          self.engine.step()
    1.11          self.after_id = self.canvas.after(self.step_length, self.run)
    1.12 @@ -109,6 +111,8 @@
    1.13          """Do the next game step"""
    1.14          if self.snake_dead_check() == False:
    1.15              return
    1.16 +        if self.snake_move_check() == False:
    1.17 +            return
    1.18          if self.step_id == 0:
    1.19              self.engine.psnakes = self.engine.snakes[:]
    1.20          if self.step_id <= self.game_length:
    1.21 @@ -159,7 +163,16 @@
    1.22      def snake_move_check(self):
    1.23          """Get possible movements of the snakes.
    1.24          If all anakes cant move - return False."""
    1.25 -        pass
    1.26 +        total_moves = 0
    1.27 +        for snake in self.engine.snakes:
    1.28 +            if snake != None:
    1.29 +                legal_moves = self.engine.legal_moves(snake)
    1.30 +                for move in legal_moves:
    1.31 +                    total_moves = total_moves+1
    1.32 +        if total_moves == 0:
    1.33 +            self.end()
    1.34 +            return False
    1.35 +            
    1.36          
    1.37      def restart(self, survived):
    1.38          """"Restarts snakes positions after the end of the game