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""" board/board.py - Pelilaudan käsittelyyn tarkoitetut jutut """
from random import randrange
from sys import stderr
from copy import deepcopy
from .static import Level, Tile, LevelSpecs
class Board():
""" Board - Luokka joka pitää huolen pelilaudasta ja siihen kohdistuvista
siirroista.
"""
def __init__(self,
level = Level.BEGINNER,
width = None,
height = None,
mines = None):
self.__level = level
self.__width, self.__height, self.__mines =LevelSpecs[self.__level][:3]
if width and width in range(2,51):
self.__width = width
if height and height in range(2,51):
self.__height = width
if mines:
self.__mines = mines
if self.__mines not in range(1,self.__width*self.__height):
self.__mines = self.__width
if ( (self.__width, self.__height, self.__mines)
== LevelSpecs[self.__level][:3] ):
self.__level_name = LevelSpecs[self.__level][3]
else:
self.__level_name = "Mukautettu"
self.__level_name += ( f" ({self.__width}x{self.__height}"
f", {self.__mines} miinaa)" )
self.__tiles = None
self.__masked = None
self.__initialize_tiles()
self.__randomize_mines()
self.__calculate_neighbours()
def __initialize_tiles(self):
""" alustaa pelilaudan matriisit """
w, h = self.__width, self.__height
self.__tiles = [[Tile.BLANK for _ in range(h)] for _ in range(w)]
self.__masked = [[Tile.UNOPENED for _ in range(h)] for _ in range(w)]
def __randomize_mines(self):
""" arpoo pelilaudalle pommit """
for _ in range(self.__mines):
while True:
x, y = randrange(0,self.__width), randrange(0,self.__height)
if self.__tiles[x][y] != Tile.BLANK:
continue
self.__tiles[x][y] = Tile.MINE
break
def __calculate_neighbours(self):
""" laskee naapurissa olevien pommien määrät valmiiksi laudalle """
for y in range(self.__height):
for x in range(self.__width):
if self.__tiles[x][y] == Tile.MINE:
continue
neighbouring_mines = 0
for nx, ny in self.get_neighbours_coords(x,y):
if self.__tiles[nx][ny] == Tile.MINE:
neighbouring_mines += 1
self.__tiles[x][y] = neighbouring_mines
def invalid_coordinates(self, x, y):
""" onko koordinaatit pelilaudan ulkopuolella """
return x < 0 or x >= self.__width or y < 0 or y >= self.__height
def get_neighbours_coords(self, x, y, include_home = False):
""" antaa listan naapureiden koordinaateista """
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 get_view(self):
""" antaa matriisin nykyisestä pelinäkymästä """
view = deepcopy(self.__masked)
for y in range(self.__height):
for x in range(self.__width):
if not view[x][y]:
view[x][y]=self.__tiles[x][y]
return view
def is_winning(self):
""" tarkistaa onko peli voitettu """
for y in range(self.__height):
for x in range(self.__width):
if self.__tiles[x][y] == Tile.MINE:
if not self.__masked[x][y]:
return False
else:
if self.__masked[x][y]:
return False
return True
def collect_area(self, x, y, area = None):
""" tunnustelee ja palauttaa tyhjän alueen koordinaatit """
if area is None:
area = {(x,y)}
to_test = []
for nx, ny in self.get_neighbours_coords(x, y):
if self.__tiles[nx][ny] == Tile.BLANK 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):
""" onko ruutu vielä piilossa """
return self.__masked[x][y]
def flag(self, x, y, flag=-1):
""" aseta lippu peitetylle ruudulle"""
if self.invalid_coordinates(x, y):
print("Koordinaatit on pelilaudan ulkopuolella", file=stderr)
return False
if self.__masked[x][y] not in range(10,14):
print("Ruudulla odottamaton lippu tai se on avattu", file=stderr)
return False
if flag == -1:
self.__masked[x][y] += 1 if self.__masked[x][y] < 13 else -3
return True
if flag not in range(10,14):
print("Lippua jota asetat ei ole olemassa", file=stderr)
return False
self.__masked[x][y]=flag
return True
def guess(self, x, y):
""" tee arvaus """
if self.invalid_coordinates(x, y):
print("Koordinaatit on pelilaudan ulkopuolella", file=stderr)
return False
if not self.__masked[x][y]:
print("Ruutu on jo avattu", file=stderr)
return False
self.__masked[x][y] = 0
if self.__tiles[x][y] == Tile.MINE:
return False
if self.__tiles[x][y] == Tile.BLANK:
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
def reveal(self):
""" näytä koko lauta """
w, h = self.__width, self.__height
self.__masked = [[0 for _ in range(h)] for _ in range(w)]
def get_width(self):
""" palauttaa laudan leveyden """
return self.__width
def get_height(self):
""" palauttaa laudan korkeuden """
return self.__height
def get_mines(self):
""" palauttaa pommien määrän """
return self.__mines
def get_level_name(self):
""" palauttaa vaikesutason nimen"""
return self.__level_name
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