def isValid( self, grid, point ):
""" A church cannot be diagonal to another church. """
if not super( Church, self ).isValid( grid, point ):
return False
for grid_x, grid_y in grid.points():
if isDiagonalPoint( point, (grid_x, grid_y) ):
if self.atPoint( grid, (grid_x, grid_y) ):
return False
return True
def isValid( self, grid, point ):
""" A bishop can only be placed diagonally to another Bishop. """
if not super( Bishop, self ).isValid( grid, point ):
return False
# If there isn't a bishop on the board, there won't ever be a way to place one!
if not self.existsOnTheBoard( grid ):
return True
for grid_x, grid_y in grid.points():
if isDiagonalPoint( point, (grid_x, grid_y) ):
if self.atPoint( grid, (grid_x, grid_y) ):
return True
return False
