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# This code is part of the 'enjuewemela' game
# License: GPLv3
# Main author: Facundo Batista
# Code, bug tracker, etc:
# https://launchpad.net/enjuewemela/
#
"""Menus of the game."""
import random
class FakeBoard(object):
"""Fake representation of the board."""
def __init__(self, board):
self.board = board
self.height = len(board) - 1
def get_piece(self, pos_x, pos_y):
"""Return the piece of the x, y position."""
return self.board[self.height - pos_y][pos_x]
def __len__(self):
return len(self.board)
def __str__(self):
return "\n".join(str(x) for x in self.board)
def _cross(results):
"""Cross the results to see if they're composed."""
lenres = len(results)
for i in range(lenres):
for j in range(i + 1, lenres):
match = set(results[i]) & set(results[j])
if match:
return match.pop()
def _check_array(array):
"""Checks a single row or col to see if there's a match."""
piece_which = None
piece_counter = None
for piece in array:
if piece == 13:
# magic ball
return True
if piece == piece_which:
piece_counter += 1
if piece_counter == 3:
return True
else:
piece_which = piece
piece_counter = 1
return False
def future_guess(board):
"""Guess which piece the user could move to have a match."""
lenboard = len(board)
rangesize = range(lenboard)
# horizontal
for y in rangesize:
row = [board.get_piece(x, y) for x in rangesize]
for x in rangesize:
prv = row[x]
if y > 0:
row[x] = board.get_piece(x, y - 1)
if _check_array(row):
return x, y - 1
if y < lenboard - 1:
row[x] = board.get_piece(x, y + 1)
if _check_array(row):
return x, y + 1
row[x] = prv
if x > 0:
row[x - 1], row[x] = row[x], row[x - 1]
if _check_array(row):
return x, y
row[x], row[x - 1] = row[x - 1], row[x]
if x < lenboard - 1:
row[x + 1], row[x] = row[x], row[x + 1]
if _check_array(row):
return x, y
row[x], row[x + 1] = row[x + 1], row[x]
# vertical
for x in rangesize:
col = [board.get_piece(x, y) for y in rangesize]
for y in rangesize:
if y > 0:
col[y - 1], col[y] = col[y], col[y - 1]
if _check_array(col):
return x, y
col[y], col[y - 1] = col[y - 1], col[y]
if y < lenboard - 1:
col[y + 1], col[y] = col[y], col[y + 1]
if _check_array(col):
return x, y
col[y], col[y + 1] = col[y + 1], col[y]
prv = col[y]
if x > 0:
col[y] = board.get_piece(x - 1, y)
if _check_array(col):
return x - 1, y
if x < lenboard - 1:
col[y] = board.get_piece(x + 1, y)
if _check_array(col):
return x + 1, y
col[y] = prv
def detect(board):
"""Tell in which positions there're matches."""
rangesize = range(len(board))
all_found = {}
# horizontal
piece_which = None
piece_counter = None
found_mark = None
for y in rangesize:
for x in rangesize:
this_piece = board.get_piece(x, y)
if this_piece == piece_which:
piece_counter += 1
if piece_counter == 3:
found_mark = (x - 2, y, this_piece, "hztl")
all_found[found_mark] = piece_counter
elif piece_counter > 3:
all_found[found_mark] = piece_counter
else:
piece_counter = 1
found_mark = None
piece_which = this_piece
# breaking line
piece_counter = 1
found_mark = None
piece_which = None
# vertical
piece_which = None
piece_counter = None
found_mark = None
for x in rangesize:
for y in rangesize:
this_piece = board.get_piece(x, y)
if this_piece == piece_which:
piece_counter += 1
if piece_counter == 3:
found_mark = (x, y - 2, this_piece, "vtcl")
all_found[found_mark] = piece_counter
elif piece_counter > 3:
all_found[found_mark] = piece_counter
else:
piece_counter = 1
found_mark = None
piece_which = this_piece
# breaking line
piece_counter = 1
found_mark = None
piece_which = None
# process!
processed = []
for (x, y, piece, piece_type), length in all_found.items():
result = []
if piece_type == "hztl":
for i in range(length):
result.append((x + i, y, piece))
else:
for i in range(length):
result.append((x, y + i, piece))
processed.append(result)
while True:
matching = _cross(processed)
if not matching:
break
match_no = []
match_yes = []
for p in processed:
if matching in p:
match_yes.append(p)
else:
match_no.append(p)
processed = match_no
flattened = set()
for m in match_yes:
for x in m:
flattened.add(x)
processed.append(flattened)
final = []
for proc in processed:
final.append(tuple((x, y) for x, y, __ in list(proc)))
return final
def _get_sane_piece(board, pos_x, pos_y):
"""Return a piece for pos x, y different from roundings."""
rounding = set()
if pos_x > 0:
rounding.add(board[pos_y][pos_x - 1])
if pos_x < 7:
rounding.add(board[pos_y][pos_x + 1])
if pos_y > 0:
rounding.add(board[pos_y - 1][pos_x])
if pos_y < 7:
rounding.add(board[pos_y + 1][pos_x])
all_sane = rounding ^ set(range(7))
return random.choice(list(all_sane))
def generate_nonmatch_board(specials=None):
"""Return a board with no match."""
def get_board():
"""Get a board."""
board = []
for __ in range(8):
lin = [random.randint(0, 6) for __ in range(8)]
board.append(lin)
return board
def set_specials(board, quant_explosives, quant_magic):
"""Set some specials in the board."""
posics = [(x, y) for x in range(8) for y in range(8)]
random.shuffle(posics)
for _ in range(quant_explosives):
pos_x, pos_y = posics.pop()
board[pos_x][pos_y] += 7
for _ in range(quant_magic):
pos_x, pos_y = posics.pop()
board[pos_x][pos_y] = 99
return board
board = get_board()
while True:
fb = FakeBoard(board)
res = detect(fb)
if res == []:
# excelent! no match!
if future_guess(fb):
# yet better, we have a chance!
if specials is not None:
set_specials(board, *specials)
return board
if res:
# need to alter sligthly the random one to eliminate matches
pos_x, pos_y = res[0][0]
pos_y = 7 - pos_y # remember that the board is upside down
sane = _get_sane_piece(board, pos_x, pos_y)
board[pos_y][pos_x] = sane
else:
# no match, but also no chances... get a new board
board = get_board()
def get_around(slot):
"""Return the slots all around the given one.
Normally they're eight, unless the given slot is next to
a wall, or in a corner.
"""
px, py = slot
for dx in (-1, 0, 1):
for dy in (-1, 0, 1):
if dx or dy: # skip both in 0
nx = px + dx
ny = py + dy
if 0 <= nx <= 7 and 0 <= ny <= 7:
yield nx, ny
def get_center(match, hints=None):
"""Guess the center in a match."""
len_m = len(match)
# the matches of three or four elements
if len_m == 3:
return match[1]
if len_m == 4:
m1, m2 = match[1], match[2]
if hints is not None:
for h in hints:
if h == m1 or h == m2:
return h
return m1
# five elements and linear: just in the middle
if len_m == 5:
linear_x = len(set(p[0] for p in match)) == 1
linear_y = len(set(p[1] for p in match)) == 1
if linear_x or linear_y:
return match[2]
# 5, 6, or 7 elements, can't be linear
if 5 <= len_m <= 7:
# it's an L, need to see the point where it turns
xxx = [z[0] for z in match]
for z in set(xxx):
if xxx.count(z) >= 3:
corner_x = z
break
else:
raise ValueError("We had an L without good equals in X: %s", match)
yyy = [z[1] for z in match]
for z in set(yyy):
if yyy.count(z) >= 3:
corner_y = z
break
else:
raise ValueError("We had an L without good equals in Y: %s", match)
return (corner_x, corner_y)
raise ValueError("Had a match with incorrect length: %s", match)
def generate_custom(board):
"""Return a board with specified layout."""
# verify that all numbers are 0-6 (normal pieces),
# 7-12 (explosives) or 13 (magic ball)
for lin in board:
for piece in lin:
if not (0 <= piece <= 13):
raise ValueError("Custom board has bad piece number: %r"
% piece)
# verify it doesn't has a match
fb = FakeBoard(board)
res = detect(fb)
if res != []:
raise ValueError("Custom board has matches: %s" % res)
# all ok
return board
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