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124
Task/15-puzzle-game/Python/15-puzzle-game-1.py
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124
Task/15-puzzle-game/Python/15-puzzle-game-1.py
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''' Structural Game for 15 - Puzzle with different difficulty levels'''
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from random import randint
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class Puzzle:
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def __init__(self):
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self.items = {}
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self.position = None
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def main_frame(self):
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d = self.items
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print('+-----+-----+-----+-----+')
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print('|%s|%s|%s|%s|' % (d[1], d[2], d[3], d[4]))
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print('+-----+-----+-----+-----+')
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print('|%s|%s|%s|%s|' % (d[5], d[6], d[7], d[8]))
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print('+-----+-----+-----+-----+')
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print('|%s|%s|%s|%s|' % (d[9], d[10], d[11], d[12]))
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print('+-----+-----+-----+-----+')
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print('|%s|%s|%s|%s|' % (d[13], d[14], d[15], d[16]))
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print('+-----+-----+-----+-----+')
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def format(self, ch):
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ch = ch.strip()
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if len(ch) == 1:
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return ' ' + ch + ' '
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elif len(ch) == 2:
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return ' ' + ch + ' '
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elif len(ch) == 0:
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return ' '
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def change(self, to):
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fro = self.position
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for a, b in self.items.items():
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if b == self.format(str(to)):
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to = a
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break
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self.items[fro], self.items[to] = self.items[to], self.items[fro]
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self.position = to
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def build_board(self, difficulty):
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for i in range(1, 17):
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self.items[i] = self.format(str(i))
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tmp = 0
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for a, b in self.items.items():
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if b == ' 16 ':
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self.items[a] = ' '
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tmp = a
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break
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self.position = tmp
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if difficulty == 0:
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diff = 10
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elif difficulty == 1:
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diff = 50
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else:
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diff = 100
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for _ in range(diff):
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lst = self.valid_moves()
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lst1 = []
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for j in lst:
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lst1.append(int(j.strip()))
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self.change(lst1[randint(0, len(lst1)-1)])
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def valid_moves(self):
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pos = self.position
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if pos in [6, 7, 10, 11]:
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return self.items[pos - 4], self.items[pos - 1],\
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self.items[pos + 1], self.items[pos + 4]
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elif pos in [5, 9]:
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return self.items[pos - 4], self.items[pos + 4],\
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self.items[pos + 1]
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elif pos in [8, 12]:
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return self.items[pos - 4], self.items[pos + 4],\
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self.items[pos - 1]
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elif pos in [2, 3]:
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return self.items[pos - 1], self.items[pos + 1], self.items[pos + 4]
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elif pos in [14, 15]:
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return self.items[pos - 1], self.items[pos + 1],\
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self.items[pos - 4]
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elif pos == 1:
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return self.items[pos + 1], self.items[pos + 4]
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elif pos == 4:
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return self.items[pos - 1], self.items[pos + 4]
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elif pos == 13:
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return self.items[pos + 1], self.items[pos - 4]
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elif pos == 16:
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return self.items[pos - 1], self.items[pos - 4]
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def game_over(self):
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flag = False
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for a, b in self.items.items():
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if b == ' ':
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pass
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else:
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if a == int(b.strip()):
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flag = True
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else:
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flag = False
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return flag
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g = Puzzle()
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g.build_board(int(input('Enter the difficulty : 0 1 2\n2 '
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'=> highest 0=> lowest\n')))
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g.main_frame()
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print('Enter 0 to exit')
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while True:
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print('Hello user:\nTo change the position just enter the no. near it')
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lst = g.valid_moves()
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lst1 = []
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for i in lst:
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lst1.append(int(i.strip()))
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print(i.strip(), '\t', end='')
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print()
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x = int(input())
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if x == 0:
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break
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elif x not in lst1:
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print('Wrong move')
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else:
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g.change(x)
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g.main_frame()
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if g.game_over():
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print('You WON')
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break
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249
Task/15-puzzle-game/Python/15-puzzle-game-2.py
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Task/15-puzzle-game/Python/15-puzzle-game-2.py
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''' Python 3.6.5 code using Tkinter graphical user interface.'''
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from tkinter import *
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from tkinter import messagebox
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import random
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# ************************************************
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class Board:
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def __init__(self, playable=True):
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while True:
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# list of text for game squares:
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self.lot = [str(i) for i in range(1,16)] + ['']
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if not playable:
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break
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# list of text for game squares randomized:
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random.shuffle(self.lot)
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if self.is_solvable():
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break
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# game board is 2D array of game squares:
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self.bd = []
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i = 0
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for r in range(4):
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row = []
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for c in range(4):
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row.append(Square(r,c,self.lot[i]))
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i += 1
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self.bd.append(row)
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# How to check if an instance of a 15 puzzle
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# is solvable is explained here:
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# https://www.geeksforgeeks.org/check-instance-15-puzzle-solvable/
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# I only coded for the case where N is even.
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def is_solvable(self):
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inv = self.get_inversions()
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odd = self.is_odd_row()
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if inv % 2 == 0 and odd:
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return True
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if inv % 2 == 1 and not odd:
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return True
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return False
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def get_inversions(self):
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cnt = 0
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for i, x in enumerate(self.lot[:-1]):
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if x != '':
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for y in self.lot[i+1:]:
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if y != '' and int(x) > int(y):
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cnt += 1
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return cnt
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# returns True if open square is in odd row from bottom:
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def is_odd_row(self):
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idx = self.lot.index('')
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return idx in [4,5,6,7,12,13,14,15]
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# returns name, text, and button object at row & col:
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def get_item(self, r, c):
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return self.bd[r][c].get()
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def get_square(self, r, c):
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return self.bd[r][c]
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def game_won(self):
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goal = [str(i) for i in range(1,16)] + ['']
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i = 0
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for r in range(4):
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for c in range(4):
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nm, txt, btn = self.get_item(r,c)
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if txt != goal[i]:
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return False
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i += 1
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return True
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# ************************************************
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class Square: # ['btn00', '0', None]
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def __init__(self, row, col, txt):
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self.row = row
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self.col = col
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self.name = 'btn' + str(row) + str(col)
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self.txt = txt
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self.btn = None
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def get(self):
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return [self.name, self.txt, self.btn]
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def set_btn(self, btn):
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self.btn = btn
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def set_txt(self, txt):
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self.txt = txt
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# ************************************************
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class Game:
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def __init__(self, gw):
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self.window = gw
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# game data:
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self.bd = None
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self.playable = False
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# top frame:
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self.top_fr = Frame(gw,
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width=600,
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height=100,
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bg='light green')
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self.top_fr.pack(fill=X)
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self.hdg = Label(self.top_fr,
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text=' 15 PUZZLE GAME ',
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font='arial 22 bold',
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fg='Navy Blue',
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bg='white')
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self.hdg.place(relx=0.5, rely=0.4,
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anchor=CENTER)
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self.dir = Label(self.top_fr,
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text="(Click 'New Game' to begin)",
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font='arial 12 ',
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fg='Navy Blue',
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bg='light green')
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self.dir.place(relx=0.5, rely=0.8,
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anchor=CENTER)
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self.play_btn = Button(self.top_fr,
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text='New \nGame',
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bd=5,
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bg='PaleGreen4',
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fg='White',
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font='times 12 bold',
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command=self.new_game)
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self.play_btn.place(relx=0.92, rely=0.5,
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anchor=E)
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# bottom frame:
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self.btm_fr = Frame(gw,
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width=600,
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height=500,
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bg='light steel blue')
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self.btm_fr.pack(fill=X)
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# board frame:
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self.bd_fr = Frame(self.btm_fr,
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width=400+2,
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height=400+2,
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relief='solid',
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bd=1,
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bg='lemon chiffon')
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self.bd_fr.place(relx=0.5, rely=0.5,
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anchor=CENTER)
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self.play_game()
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# ************************************************
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def new_game(self):
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self.playable = True
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self.dir.config(text='(Click on a square to move it)')
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self.play_game()
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def play_game(self):
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# place squares on board:
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if self.playable:
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btn_state = 'normal'
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else:
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btn_state = 'disable'
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self.bd = Board(self.playable)
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objh = 100 # widget height
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objw = 100 # widget width
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objx = 0 # x-position of widget in frame
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objy = 0 # y-position of widget in frame
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for r in range(4):
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for c in range(4):
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nm, txt, btn = self.bd.get_item(r,c)
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bg_color = 'RosyBrown1'
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if txt == '':
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bg_color = 'White'
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game_btn = Button(self.bd_fr,
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text=txt,
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relief='solid',
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bd=1,
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bg=bg_color,
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font='times 12 bold',
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state=btn_state,
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command=lambda x=nm: self.clicked(x))
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game_btn.place(x=objx, y=objy,
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height=objh, width=objw)
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sq = self.bd.get_square(r,c)
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sq.set_btn(game_btn)
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objx = objx + objw
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objx = 0
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objy = objy + objh
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# processing when a square is clicked:
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def clicked(self, nm):
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r, c = int(nm[3]), int(nm[4])
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nm_fr, txt_fr, btn_fr = self.bd.get_item(r,c)
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# cannot 'move' open square to itself:
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if not txt_fr:
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messagebox.showerror(
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'Error Message',
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'Please select "square" to be moved')
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return
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# 'move' square to open square if 'adjacent' to it:
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adjs = [(r-1,c), (r, c-1), (r, c+1), (r+1, c)]
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for x, y in adjs:
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if 0 <= x <= 3 and 0 <= y <= 3:
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nm_to, txt_to, btn_to = self.bd.get_item(x,y)
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if not txt_to:
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sq = self.bd.get_square(x,y)
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sq.set_txt(txt_fr)
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sq = self.bd.get_square(r,c)
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sq.set_txt(txt_to)
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btn_to.config(text=txt_fr,
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bg='RosyBrown1')
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btn_fr.config(text=txt_to,
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bg='White')
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# check if game is won:
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if self.bd.game_won():
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ans = messagebox.askquestion(
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'You won!!! Play again?')
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if ans == 'no':
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self.window.destroy()
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else:
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self.new_game()
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return
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# cannot move 'non-adjacent' square to open square:
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messagebox.showerror(
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'Error Message',
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'Illigal move, Try again')
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return
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# ************************************************
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root = Tk()
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root.title('15 Puzzle Game')
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root.geometry('600x600+100+50')
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root.resizable(False, False)
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g = Game(root)
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root.mainloop()
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