from random import randint

class World_Map:
    def __init__(self, width, height):
        self.width = width
        self.height = height
        self.world_map = [['.' for i in range(width)]for i in range(height)]
        self.town_symbol = '#' # Used to represent a 'Town' when world_map is displayed

    def display(self): # Displays map on screen
        for i in self.world_map:
            print(' '.join(i))

    def place_towns(self, number_of_towns, padding): # Represented by '#' in world_map

        for i in range(number_of_towns):

            while 1:
                # Generate Random Integers (potential 'Town' location)
                x = randint(0,self.width - 1)
                y = randint(0,self.height - 1)

                # Set min-max values of X and Y based on desired padding (free space around 'Towns')
                x_floor = x - padding
                x_ceiling = x + padding + 1
                y_floor = y - padding
                y_ceiling = y + padding + 1

                # Keeps integers above zero to prevent pulling values from 'end of lists'
                if x_floor < 0: x_floor = 0
                if y_floor < 0: y_floor = 0

                # Generates 2D array of 'rows' from world_map
                y_vals = self.world_map[y_floor:y_ceiling]

                # Generates 2D array from y_vals of all values within specified 'padding' range of potential 'town location'
                x_vals = [row[x_floor:x_ceiling] for row in y_vals]

                # Checks x_vals to determine if Town(#) already exists within 'range' of potential location
                if self.town_symbol in [i for i in x_vals]:
                    pass
                else:
                    self.world_map[y][x] = self.town_symbol
                    break

M = World_Map(16,8) # Make 'World Map'
M.place_towns(5, 1) # Make 'Towns'

M.display() # Show map