solver-0h-h1/sources/Square.py

# 0h h1 Solver. Solves grids of 0h h1 game.
# Copyright (C) 2015  Gabriel Augendre <gabriel@augendre.info>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

__author__ = 'gaugendre'


class Square:
    """
    Represents a square in the grid.
    A square can be either Red, Blue, or Nothing, depending on the text
    written in it and displayed ('R', 'B' or ' ').
    """

    def __init__(self, horiz, vert):
        self.horiz = horiz
        self.vert = vert

    def get_next_horiz(self):
        return Square(self.horiz + 1, self.vert)

    def get_prev_horiz(self):
        return Square(self.horiz - 1, self.vert)

    def get_next_vert(self):
        return Square(self.horiz, self.vert + 1)

    def get_prev_vert(self):
        return Square(self.horiz, self.vert - 1)

    def __eq__(self, other):
        if other is None or not isinstance(other, Square):
            return False
        else:
            return self.vert == other.vert and self.horiz == other.horiz

    def __hash__(self):
        return hash((self.horiz, self.vert))


def solve(grid):
    for char in grid:
        pass


grid = [['R', ' ', ' ', 'R'],
        ['R', ' ', 'B', ' '],
        [' ', 'R', ' ', ' '],
        [' ', ' ', ' ', ' ']]