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from random import randrange
from sys import stderr
from copy import deepcopy
class Board():
def __init__(self, size = 10, bombs = 0):
# Lauta pitää olla vähintään 2x2, jotta on jotain pelattavaa
size = 2 if size < 2 else size
size = 50 if size > 50 else size
self.size = size
# Pommeja pitää olla vähintään yksi, kuten tyhjiäkin
bombs = size*size*size//100 if bombs < 1 else bombs
bombs = size*size-1 if bombs>=size*size else bombs
bombs = 1 if bombs == 0 else bombs
self.bombs = bombs
self.tiles = []
self.masked = []
self.initialize_tiles( size )
self.randomize_bombs( bombs )
self.calculate_neighbours()
def initialize_tiles(self, size):
self.tiles = [[0 for _ in range(size)] for _ in range(size)]
self.masked = [[10 for _ in range(size)] for _ in range(size)]
def randomize_bombs(self, bomb_count):
for _ in range(bomb_count):
while True:
x, y = randrange(0,self.size), randrange(0,self.size)
if self.tiles[x][y] != 0:
continue
self.tiles[x][y]=9
break
def invalid_coordinates(self, x, y):
return x < 0 or x >= self.size or y < 0 or y >= self.size
def get_neighbours_coords(self, x, y, include_home = False):
offsets = (
(-1,-1), (0,-1), (1,-1),
(-1, 0), (0, 0), (1, 0),
(-1, 1), (0, 1), (1, 1)
) if include_home else (
(-1,-1), (0,-1), (1,-1),
(-1, 0), (1, 0),
(-1, 1), (0, 1), (1, 1)
)
coordinates=[]
for dx,dy in offsets:
if not self.invalid_coordinates(x+dx, y+dy):
coordinates.append( (x+dx, y+dy) )
return coordinates
def calculate_neighbours(self):
for y in range(self.size):
for x in range(self.size):
if self.tiles[x][y] == 9:
continue
neighbouring_bombs = 0
for nx, ny in self.get_neighbours_coords(x,y):
if self.tiles[nx][ny] == 9:
neighbouring_bombs += 1
self.tiles[x][y] = neighbouring_bombs
def get_view(self):
view = deepcopy(self.masked)
for y in range(self.size):
for x in range(self.size):
if not view[x][y]:
view[x][y]=self.tiles[x][y]
return view
def is_winning(self):
for y in range(self.size):
for x in range(self.size):
if self.tiles[x][y] != 9 and self.masked[x][y]:
return False
return True
def collect_area(self, x, y, area=set()):
if not area:
area.add((x,y))
to_test = []
for nx, ny in self.get_neighbours_coords(x, y):
if self.tiles[nx][ny] == 0 and (nx,ny) not in area:
to_test.append((nx, ny))
area.add((nx, ny))
for tx, ty in to_test:
area=area.union(self.collect_area(tx, ty, area))
return area
def get_mask(self, x, y):
return self.masked[x][y]
def make_guess(self, x, y):
if self.invalid_coordinates(x, y):
print("Koordinaatit on pelilaudan ulkopuolella", file=stderr)
return False
if self.masked[x][y] == 0:
print("Ruutu on jo avattu", file=stderr)
return False
self.masked[x][y] = 0
if self.tiles[x][y] == 9:
return False
if self.tiles[x][y] == 0:
for cx, cy in self.collect_area( x, y ):
for nx, ny in self.get_neighbours_coords(cx, cy, True):
self.masked[nx][ny] = 0
return True
if __name__ == "__main__":
def print_matrix(m):
for y in range(len(m)):
for x in range(len(m[0])):
print(end=f"[{m[x][y]:x}]")
print()
b = Board()
b.make_guess(5,5)
print_matrix(b.get_view())
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