#!/usr/bin/env python3

# CHOMP

#

# Converted from BASIC to Python by Trevor Hobson

class Canvas:

""" For drawing the cookie """

def __init__(self, width=9, height=9, fill="*"):

self._buffer = []

for _ in range(height):

line = []

for _ in range(width):

line.append(fill)

self._buffer.append(line)

self._buffer[0][0] = "P"

def render(self):

lines = [" 1 2 3 4 5 6 7 8 9"]

row = 0

for line in self._buffer:

row += 1

lines.append(" " + str(row) + " " * 5 + " ".join(line))

return "\n".join(lines)

def chomp(self, r, c):

if not 1 <= r <= len(self._buffer) or not 1 <= c <= len(self._buffer[0]):

return "Empty"

elif self._buffer[r - 1][c - 1] == " ":

return "Empty"

elif self._buffer[r - 1][c - 1] == "P":

return "Poison"

else:

for row in range(r - 1, len(self._buffer)):

for column in range(c - 1, len(self._buffer[row])):

self._buffer[row][column] = " "

return "Chomp"

def play_game():

"""Play one round of the game"""

players = 0

while players == 0:

try:

players = int(input("How many players "))

except ValueError:

print("Please enter a number.")

rows = 0

while rows == 0:

try:

rows = int(input("How many rows "))

if rows > 9 or rows < 1:

rows = 0

print("Too many rows (9 is maximum).")

except ValueError:

print("Please enter a number.")

columns = 0

while columns == 0:

try:

columns = int(input("How many columns "))

if columns > 9 or columns < 1:

columns = 0

print("Too many columns (9 is maximum).")

except ValueError:

print("Please enter a number.")

cookie = Canvas(width=columns, height=rows)

player = 0

alive = True

while alive:

print("")

print(cookie.render())

print("")

player += 1

if player > players:

player = 1

while True:

print("Player", player)

player_row = -1

player_column = -1

while player_row == -1 or player_column == -1:

try:

coordinates = [int(item) for item in input(

"Coordinates of chomp (Row, Column) ").split(",")]

player_row = coordinates[0]

player_column = coordinates[1]

except (ValueError, IndexError):

print("Please enter valid coordinates.")

result = cookie.chomp(player_row, player_column)

if result == "Empty":

print("No fair. You're trying to chomp on empty space!")

elif result == "Poison":

print("\nYou lose player", player)

alive = False

break

else:

break

def main():

print(" " * 33 + "CHOMP")

print(" " * 15 + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n")

print("THIS IS THE GAME OF CHOMP (SCIENTIFIC AMERICAN, JAN 1973)")

if input("Do you want the rules (1=Yes, 0=No!) ") != "0":

print("Chomp is for 1 or more players (Humans only).\n")

print("Here's how a board looks (This one is 5 by 7):")

example = Canvas(width=7, height=5)

print(example.render())

print("\nThe board is a big cookie - R rows high and C columns")

print("wide. You input R and C at the start. In the upper left")

print("corner of the cookie is a poison square (P). The one who")

print("chomps the poison square loses. To take a chomp, type the")

print("row and column of one of the squares on the cookie.")

print("All of the squares below and to the right of that square")

print("(Including that square, too) disappear -- CHOMP!!")

print("No fair chomping squares that have already been chomped,")

print("or that are outside the original dimensions of the cookie.\n")

print("Here we go...")

keep_playing = True

while keep_playing:

play_game()

keep_playing = input("\nAgain (1=Yes, 0=No!) ") == "1"

if __name__ == "__main__":

main()