Files
basic-computer-games/60_Mastermind/python/mastermind.py
2022-03-07 00:35:18 -08:00

231 lines
10 KiB
Python

import random, sys
def main():
global colors, color_letters, num_positions, num_colors, human_score, computer_score
colors = ["BLACK", "WHITE", "RED", "GREEN", "ORANGE", "YELLOW", "PURPLE", "TAN"]
color_letters = "BWRGOYPT"
num_colors = 100
human_score = 0
computer_score = 0
# get user inputs for game conditions
print("Mastermind")
print('Creative Computing Morristown, New Jersey')
while num_colors > 8:
num_colors = int(input("Number of colors (max 8): ")) # C9 in BASIC
num_positions = int(input("Number of positions: ")) # P9 in BASIC
num_rounds = int(input("Number of rounds: ")) # R9 in BASIC
possibilities = num_colors**num_positions
all_possibilities = [1] * possibilities
print("Number of possibilities {}".format(possibilities))
print('Color\tLetter')
print('=====\t======')
for element in range(0, num_colors):
print("{}\t{}".format(colors[element], colors[element][0]))
current_round = 1
while current_round <= num_rounds:
print('Round number {}'.format(current_round))
num_moves = 1
guesses = []
turn_over = False
print('Guess my combination ...')
answer = int(possibilities * random.random())
numeric_answer = [-1] * num_positions
for i in range(0, answer):
numeric_answer = get_possibility(numeric_answer)
#human_readable_answer = make_human_readable(numeric_answer)
while (num_moves < 10 and not turn_over ):
print('Move # {} Guess : '.format(num_moves))
user_command = input('Guess ')
if user_command == "BOARD":
print_board(guesses) #2000
elif user_command == "QUIT": #2500
human_readable_answer = make_human_readable(numeric_answer)
print('QUITTER! MY COMBINATION WAS: {}'.format(human_readable_answer))
print('GOOD BYE')
quit()
elif len(user_command) != num_positions: #410
print("BAD NUMBER OF POSITIONS")
else:
invalid_letters = get_invalid_letters(user_command)
if invalid_letters > "":
print("INVALID GUESS: {}".format(invalid_letters))
else:
guess_results = compare_two_positions(user_command, make_human_readable(numeric_answer))
print("Results: {}".format(guess_results))
if guess_results[1] == num_positions: # correct guess
turn_over = True
print("You guessed it in {} moves!".format(num_moves))
human_score = human_score + num_moves
print_score()
else:
print("You have {} blacks and {} whites".format(guess_results[1], guess_results[2]))
num_moves = num_moves + 1
guesses.append(guess_results)
if not turn_over: # RAN OUT OF MOVES
print ("YOU RAN OUT OF MOVES! THAT'S ALL YOU GET!")
print("THE ACTUAL COMBINATION WAS: {}".format(make_human_readable(numeric_answer)))
human_score = human_score + num_moves
print_score()
# COMPUTER TURN
guesses = []
turn_over = False
inconsistent_information = False
while(not turn_over and not inconsistent_information ):
all_possibilities = [1] * possibilities
num_moves = 1
inconsistent_information = False
print ("NOW I GUESS. THINK OF A COMBINATION.")
player_ready = input("HIT RETURN WHEN READY: ")
while (num_moves < 10 and not turn_over and not inconsistent_information):
found_guess = False
computer_guess = int(possibilities * random.random())
if all_possibilities[computer_guess] == 1: # random guess is possible, use it
found_guess = True
guess = computer_guess
else:
for i in range (computer_guess, possibilities):
if all_possibilities[i] == 1:
found_guess = True
guess = i
break
if not found_guess:
for i in range (0, computer_guess):
if all_possibilities[i] == 1:
found_guess = True
guess = i
break
if not found_guess: # inconsistent info from user
print('YOU HAVE GIVEN ME INCONSISTENT INFORMATION.')
print('TRY AGAIN, AND THIS TIME PLEASE BE MORE CAREFUL.')
turn_over = True
inconsistent_information = True
else:
numeric_guess = [-1] * num_positions
for i in range(0, guess):
numeric_guess = get_possibility(numeric_guess)
human_readable_guess = make_human_readable(numeric_guess)
print('My guess is: {}'.format(human_readable_guess))
blacks, whites = input("ENTER BLACKS, WHITES (e.g. 1,2): ").split(",")
blacks = int(blacks)
whites = int(whites)
if blacks == num_positions: #Correct guess
print('I GOT IT IN {} MOVES'.format(num_moves))
turn_over = True
computer_score = computer_score + num_moves
print_score()
else:
num_moves += 1
for i in range (0, possibilities):
if all_possibilities[i] == 0: #already ruled out
continue
numeric_possibility = [-1] * num_positions
for j in range (0, i):
numeric_possibility = get_possibility(numeric_possibility)
human_readable_possibility = make_human_readable(numeric_possibility) #4000
comparison = compare_two_positions(human_readable_possibility, human_readable_guess)
print(comparison)
if ((blacks > comparison[1]) or (whites > comparison[2])):
all_possibilities[i] = 0
if not turn_over: # COMPUTER DID NOT GUESS
print("I USED UP ALL MY MOVES!")
print("I GUESS MY CPU IS JUST HAVING AN OFF DAY.")
computer_score = computer_score + num_moves
print_score()
current_round += 1
print_score(is_final_score=True)
sys.exit()
#470
def get_invalid_letters(user_command):
"""Makes sure player input consists of valid colors for selected game configuration."""
valid_colors = color_letters[:num_colors]
invalid_letters = ""
for letter in user_command:
if letter not in valid_colors:
invalid_letters = invalid_letters + letter
return invalid_letters
#2000
def print_board(guesses):
"""Prints previous guesses within the round."""
print("Board")
print("Move\tGuess\tBlack White")
for idx, guess in enumerate(guesses):
print('{}\t{}\t{} {}'.format(idx+1, guess[0], guess[1], guess[2]))
#3500
# Easily the place for most optimization, since they generate every possibility
# every time when checking for potential solutions
# From the original article:
# "We did try a version that kept an actual list of all possible combinations
# (as a string array), which was significantly faster than this versionn but
# which ate tremendous amounts of memory."
def get_possibility(possibility):
#print(possibility)
if possibility[0] > -1: #3530
current_position = 0 # Python arrays are zero-indexed
while True:
if possibility[current_position] < num_colors-1: # zero-index again
possibility[current_position] += 1
return possibility
else:
possibility[current_position] = 0
current_position += 1
else: #3524
possibility = [0] * num_positions
return possibility
#4500
def compare_two_positions(guess, answer):
"""Returns blacks (correct color and position) and whites (correct color only) for candidate position (guess) versus reference position (answer)."""
increment = 0
blacks = 0
whites = 0
initial_guess = guess
for pos in range(0, num_positions):
if guess[pos] != answer[pos]:
for pos2 in range(0, num_positions):
if not(guess[pos] != answer[pos2] or guess[pos2] == answer[pos2]): # correct color but not correct place
whites = whites + 1
answer = answer[:pos2] + chr(increment) + answer[pos2+1:]
guess = guess[:pos] + chr(increment+1) + guess[pos+1:]
increment = increment + 2
else: #correct color and placement
blacks = blacks + 1
# THIS IS DEVIOUSLY CLEVER
guess = guess[:pos] + chr(increment+1) + guess[pos+1:]
answer = answer[:pos] + chr(increment) + answer[pos+1:]
increment = increment + 2
return [initial_guess, blacks, whites]
#5000 + logic from 1160
def print_score(is_final_score=False):
"""Prints score after each turn ends, including final score at end of game."""
if is_final_score:
print("GAME OVER")
print("FINAL SCORE:")
else:
print("SCORE:")
print(" COMPUTER {}".format(computer_score))
print(" HUMAN {}".format(human_score))
#4000, 5500, 6000 subroutines are all identical
def make_human_readable(num):
"""Make the numeric representation of a position human readable."""
retval = ''
for i in range(0, len(num)):
retval = retval + color_letters[int(num[i])]
return retval
if __name__ == "__main__":
main()