mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-23 07:29:02 -08:00
122 lines
3.7 KiB
Lua
122 lines
3.7 KiB
Lua
---
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--- Bagels
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--- Ported by Joe Nellis.
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--- Text displayed is altered slightly from the original program to allow for
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--- more (or less) than three digits to be guessed. Change the difficulty to
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--- the number of digits you wish in the secret code.
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---
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--- difficult is number of digits to use
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local difficulty = 3
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print [[
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BAGELS
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CREATIVE COMPUTING MORRISTOWN, NEW JERSEY
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]]
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function getInput(prompt)
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io.write(prompt)
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io.flush()
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local input = io.read("l")
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if not input then --- test for EOF
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print("GOODBYE")
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os.exit(0)
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end
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return input
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end
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local needsRules = getInput("WOULD YOU LIKE THE RULES? (YES OR NO) ")
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print()
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if needsRules:match("[yY].*") then
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print(string.format( [[
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I AM THINKING OF A %u DIGIT NUMBER. TRY TO GUESS
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MY NUMBER AND I WILL GIVE YOU CLUES AS FOLLOWS:
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PICO - ONE DIGIT CORRECT BUT IN THE WRONG POSITION
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FERMI - ONE DIGIT CORRECT AND IN THE RIGHT POSITION
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BAGELS - NO DIGITS
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]], difficulty))
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end
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function play(numDigits, score)
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local digits = { "1", "2", "3", "4", "5", "6", "7", "8", "9", "0" }
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--- secret number must not have duplicate digits
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--- randomly swap numDigits at the head of this list to create secret number
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for i = 1, numDigits do
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local j = math.random(1, 10)
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digits[i], digits[j] = digits[j], digits[i]
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end
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print "O.K. I HAVE A NUMBER IN MIND."
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for guessNum = 1, 20 do
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:: GUESS_AGAIN :: ---<!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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local guess = getInput(string.format("GUESS #%u\t?",guessNum))
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if #guess ~= numDigits then
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print("TRY GUESSING A", numDigits, "DIGIT NUMBER.")
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goto GUESS_AGAIN
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elseif not guess:match("^(%d+)$") then
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print("WHAT?")
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goto GUESS_AGAIN
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else
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--- check if user has duplicate digits
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for i = 1, numDigits - 1 do
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for j = i + 1, numDigits do
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if (guess:sub(i, i) == guess:sub(j, j)) then
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print("OH, I FORGOT TO TELL YOU THAT THE NUMBER I HAVE")
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print("IN MIND HAS NO TWO DIGITS THE SAME.")
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goto GUESS_AGAIN
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end
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end
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end
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end
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local report = ""
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--- check for picos, right digit, wrong place
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for i = 1, numDigits do
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for j = i + 1, numDigits - 1 + i do
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if (guess:sub(i, i) == digits[(j - 1) % numDigits + 1]) then
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report = report .. "PICO "
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end
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end
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end
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--- check for fermis, right digit, right place
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for i = 1, numDigits do
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if (guess:sub(i, i) == digits[i]) then
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report = report .. "FERMI "
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end
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end
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if (report == string.rep("FERMI ", numDigits)) then
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print "YOU GOT IT!!!"
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print ""
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score = score + 1
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goto PLAY_AGAIN
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end
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if (report == "") then
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print("BAGELS")
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else
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print(report)
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end
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end
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print "OH WELL."
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print("THAT'S TWENTY GUESSES. MY NUMBER WAS "
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.. table.concat(digits, "", 1, numDigits))
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:: PLAY_AGAIN :: ---<!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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local playAgain = getInput("PLAY AGAIN (YES OR NO)?")
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print()
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if (playAgain:match("[yY].*")) then
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return play(numDigits, score)
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else
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if (score > 0) then
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print("A", score, "POINT BAGELS BUFF!!")
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end
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print "HOPE YOU HAD FUN. BYE."
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end
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end
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play(difficulty, 0) --- default is numDigits=3, score=0
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