minesweeper-gen.py

#!/usr/bin/env python3

# This script creates a message that abuses Janet the Discord
# bot to print a minesweeper field

import json
from sys import stdout
from random import randint

BOMB_CELL = 9
EMPTY_CELL = 0
FIELD_SIZE = 13
BOMB_COUNT = FIELD_SIZE
REVEALED_CELL_MASK = 0xF0
EASY = False

def reveal_cells(field, x, y):
	if field[x][y] & REVEALED_CELL_MASK:
		return
	if field[x][y] == BOMB_CELL:
		return
	original_cell = field[x][y]
	field[x][y] |= REVEALED_CELL_MASK
	if original_cell != EMPTY_CELL:
		return
	for sx in range(x-1, x+2):
		if sx < 0 or sx > FIELD_SIZE-1:
			continue
		for sy in range(y-1, y+2):
			if sy < 0 or sy > FIELD_SIZE-1:
				continue
			if x == sx and y == sy:
				continue
			reveal_cells(field, sx, sy)

def make_field():
	safe_x = randint(3, 6)
	safe_y = randint(3, 6)
	field = [ [EMPTY_CELL] * FIELD_SIZE for _ in range(FIELD_SIZE) ]
	bomb_count = 0

	# Place bombs at random places
	while bomb_count < BOMB_COUNT:
		bomb_x = randint(0, FIELD_SIZE-1)
		bomb_y = randint(0, FIELD_SIZE-1)
		if field[bomb_x][bomb_y] == BOMB_CELL or abs(bomb_x - safe_x) < 2 or abs(bomb_y - safe_y) < 2:
			continue
		field[bomb_x][bomb_y] = BOMB_CELL
		bomb_count += 1
	
	# Place numbers based on theses bombs
	for x in range(FIELD_SIZE):
		for y in range(FIELD_SIZE):
			if field[x][y] == BOMB_CELL:
				continue
			for sx in range(x-1, x+2):
				if sx < 0 or sx > FIELD_SIZE-1:
					continue
				for sy in range(y-1, y+2):
					if sy < 0 or sy > FIELD_SIZE-1:
						continue
					if field[sx][sy] == BOMB_CELL:
						field[x][y] += 1

	# Recursively reveal cells
	if EASY:
		reveal_cells(field, safe_x, safe_y)
	else:
		field[safe_x][safe_y] |= REVEALED_CELL_MASK

	return field

field = make_field()

emojis = [
	"zero", "one", "two", "three", "four",
	"five", "six", "seven", "eight", "bomb"
]

stdout.write("!userconf show ```\nMinesweeper! (%dx%d)\n```\n" % (FIELD_SIZE, FIELD_SIZE))

for line in field:
	for cell in line:
		is_revealed = cell & REVEALED_CELL_MASK
		cell &= ~REVEALED_CELL_MASK
		if not is_revealed:
			stdout.write("||")
		stdout.write(":%s:" % (emojis[cell]))
		if not is_revealed:
			stdout.write("||")
	stdout.write("\n")

stdout.write("```\nGenerated by @pixelomer's script\n(FOR MODS: No selfbots involved here)\n```")