get_surrounding_tiles.py

# given our current location as an (x,y) tuple, return the surrounding tiles as a list
# (i.e. [(x1,y1), (x2,y2),...])
def get_surrounding_tiles(self, location):

  # location[0] = x-index; location[1] = y-index
  tile_north = (location[0], location[1]+1)	
  tile_south = (location[0], location[1]-1)
  tile_west = (location[0]-1, location[1])
  tile_east = (location[0]+1, location[1]) 		 

  surrounding_tiles = [tile_north, tile_south, tile_west, tile_east]

  for tile in surrounding_tiles:
      # check if the tile is within the boundaries of the game
      if not self.game_state.is_in_bounds(tile):
          # remove invalid tiles from our list
          surrounding_tiles.remove(tile)

  return surrounding_tiles