mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2026-02-04 19:12:07 -08:00
Jeff Atwood
3
01 Acey Ducey/raku/README.md
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3
01 Acey Ducey/raku/README.md
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Original source downloaded [from Vintage Basic](http://www.vintage-basic.net/games.html)
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Conversion to [Raku](https://raku.org/)
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188
01 Acey Ducey/raku/aceyducey.raku
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188
01 Acey Ducey/raku/aceyducey.raku
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#!/usr/bin/env raku
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use v6.d;
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=begin comment
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This is a complete rewrite from scratch
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=end comment
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# Note that this is a special sub that can be called automatically
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sub USAGE () {
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print q:to<END>
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Two cards are dealt face-up.
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You then bet how much money you want to risk.
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If the next card falls between those two cards you gain the amount you bet.
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If it is outside of those cards, you lose that amount
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If it matches one of the cards, you lose double.
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If the first two cards are the same value,
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you guess whether the next card will be higher or lower, and bet on that.
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If all three cards are the same, you lose triple your bet.
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END
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}
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constant $Card-Back = "\c[PLAYING CARD BACK]";
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class Card {
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# for viewing
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has Str $.Str is required;
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# for comparison
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has Int $.Int is required;
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method Numeric () { $!Int }
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method Real () { $!Int }
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}
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class Deck {
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# Internal use:
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# convert to a Card object
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sub card (Pair (:key($Str), :value($Int))) {
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Card.new(:$Str, :$Int)
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}
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# Internal use:
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# a base deck of Cards that needs to be shuffled
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constant @Base-Deck := flat(
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('🂡' .. '🂮' Z=> flat 14, 2 .. 13),
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('🂱' .. '🂾' Z=> flat 14, 2 .. 13),
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('🃁' .. '🃎' Z=> flat 14, 2 .. 13),
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('🃑' .. '🃞' Z=> flat 14, 2 .. 13)
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).map(&card).List;
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# -----------------------------------
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# beginning of attributes and methods
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# -----------------------------------
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# create private attribute $!bag
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# It is a SetHash created from @Base-Deck
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# we use its .grab(|) method as .deal(|)
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has SetHash $!bag handles ('deal' => 'grab') .= new(@Base-Deck);
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# note that you should not reshuffle if you are currently holding any cards
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method reshuffle () {
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$!bag .= new(@Base-Deck);
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}
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method maybe-reshuffle (UInt $to-take = 0) {
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# If there isn't enough cards, it always reshuffles
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# otherwise there is a 1% chance that it will reshuffle
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if $to-take > +$!bag || rand < 0.1e0 {
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put 'Shuffling the cards';
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self.reshuffle;
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}
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}
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}
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sub MAIN () {
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my Deck $deck .= new;
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USAGE();
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print "\n\n";
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Restart:
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repeat {
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my Int $*pot = 100;
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Main-Loop:
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loop {
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# make sure that there is money left to gamble
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last if $*pot <= 0;
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# shuffle if there isn't enough cards in the deck
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# or randomly otherwise
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NEXT $deck.maybe-reshuffle(3);
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# sort numerically
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my ($a,$b) = $deck.deal(2).sort(+*);
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put "$a $b $Card-Back";
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my Order $*more-or-less;
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my UInt $bet;
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# Check the dealt cards
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if $a == $b { # numerically equal
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$*more-or-less = do given $a {
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when $a == 2 { More }
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when $a == 14 { Less }
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default { more-or-less }
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}
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} elsif $a + 1 == $b { # consecutive cards
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put "There isn't a chance of winning, redealing.";
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redo
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}
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$bet = make-a-bet;
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if $bet == 0 {
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say 'Coward';
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redo;
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}
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# deal a new card
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my $c = $deck.deal;
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put "$a $b $c";
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# check the new card
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{
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when $a < $c < $b {
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put 'Win. ';
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$*pot += $bet
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}
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when $c == $a | $b {
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put 'Lose Double. ';
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$*pot -= $bet * 2
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}
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default {
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put 'Lose. ';
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$*pot -= $bet
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}
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}
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last if $*pot <= 0;
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put "You have $*pot";
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}
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} while play-again;
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}
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sub more-or-less (--> Order) {
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loop {
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my $answer = prompt 'Is the next card going to be MORE or LESS than that? ';
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given fc $answer {
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when 'less' | '<' | 'before' { return Order::Less }
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when 'more' | '>' | 'after' { return Order::More }
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}
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}
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}
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sub make-a-bet () {
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put "You currently have $*pot";
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my $message = do given $*more-or-less {
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when Less { 'How much money are you willing to bet that it is less? ' }
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when More { 'How much money are you willing to bet that it is more? ' }
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default { 'How much money are you willing to bet? ' }
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};
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loop {
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# redo the loop if there is an error
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CATCH { default {} }
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my $answer = prompt $message;
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if $answer eq '*' {
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return $*pot
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} elsif $answer > $*pot {
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put "You only have $*pot";
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} else {
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return $answer;
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}
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}
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}
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sub play-again (--> Bool) {
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my $answer = prompt "\nYou ran out of money.\nDo you want to play again? ";
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so $answer.fc eq any < y yes yeah sure ok >
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}
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131
01 Acey Ducey/raku/aceyducey_direct.raku
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131
01 Acey Ducey/raku/aceyducey_direct.raku
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@@ -0,0 +1,131 @@
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#!/usr/bin/env raku
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use v6.d;
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=begin comment
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This is intended to be a close translation of the original.
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While Raku is "supposed" to have a `goto`, no one has ever bothered to implemented it.
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So we use `repeat {...} while False;` and `redo` to emulate them.
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Could have instead used `loop {...}` and `last` instead,
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but that wouldn't line up with the `goto` statements of the original.
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I also took the liberty of vastly simplifying the dealing of the cards
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in lines 260..630 and 730..890
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I might change them to be more similar to the original later
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=end comment
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## the following lines replace lines 10..80
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put qq:to<END>;
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{ ' ' x 26 }ACEY DUCEY CARD GAME
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{ ' ' x 15 }CREATIVE COMPUTING MORRISTOWN, NEW JERSEY
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ACEY-DUCEY IS PLAYED IN THE FOLLOWING MANNER
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THE DEALER (COMPUTER) DEALS TWO CARDS FACE UP
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YOU HAVE AN OPTION TO BET OR NOT BET DEPENDING
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ON WHETHER OR NOT YOU FEEL THE CARD WILL HAVE
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A VALUE BETWEEN THE FIRST TWO.
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IF YOU DO NOT WANT TO BET, INPUT A 0
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END
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constant @CARDS = flat 2..10, <JACK QUEEN KING ACE>;
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## used to sort the cards in the same order as they
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## appear in @CARDS
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constant %CARD-INDEX = @CARDS[]:p .invert;
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## @CARDS[]:p eqv (0 => 2, 1 => 3 ... 8 => 10, 9 => "Jack", 10 => "Queen", 11 => "King", 12 => "Ace")
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## .invert() inverts the key and value
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# %CARD-INDEX = (
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# 2 => 0,
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# ...
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# 10 => 8,
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# Jack => 9,
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# Queen => 10,
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# King => 11,
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# Ace => 12,
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# )
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START: repeat {
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# my $N = 100; # line 100
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my $Q = 100; # line 110
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my ($A,$B);
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my $M;
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MAIN-LOOP: repeat {
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put "YOU NOW HAVE $Q DOLLARS."; # line 120
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put(); # line 130
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DEAL-HAND: repeat {
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## The following 2 lines replace lines 260..630
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# the two cards can't match, so use pick() instead of roll()
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# we also want them sorted in the same order as they are in @CARDS
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my @hand = @CARDS.pick(2).sort({ %CARD-INDEX{$_} });
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($A,$B) = @hand;
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put "HERE ARE YOUR NEXT TWO CARDS: ", @hand;
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put(); # line 640
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# put(); # line 650
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BET: repeat {
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$M = prompt "WHAT IS YOUR BET "; # line 660
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given $M {
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when 0 { # line 670
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put "CHICKEN!!"; # line 675
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put(); # line 676
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redo DEAL-HAND; # line 677
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}
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when $M <= $Q {} # line 680
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when $M > $Q { # line 680 also
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put "SORRY, MY FRIEND, BUT YOU BET TOO MUCH."; # line 690
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put "YOU HAVE ONLY $Q DOLLARS TO BET."; # line 700
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redo BET; # line 710
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}
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## This is new.
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## It is used to handle errors like non-numeric bets
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## (It's also why line 680 is split among two lines above)
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default {
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put "PLEASE GIVE A NUMBER BETWEEN 0 AND $Q";
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redo BET;
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}
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}
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} while False; # BET:
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} while False; # DEAL-HAND:
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## The following two lines replace lines 730..890
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my $C = @CARDS.pick;
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put $C;
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## This replaces lines 910..970
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# note also that lines 210,220,240,250 were moved here
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my ($a,$b,$c) = %CARD-INDEX{$A,$B,$C};
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if $a < $c < $b { # lines 930,970
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put "YOU WIN!!!"; # line 950
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$Q += $M; # line 210
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redo MAIN-LOOP; # line 220
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}
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put "SORRY, YOU LOSE"; # line 970
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# still have money left?
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if $M < $Q { # line 980
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$Q -= $M; # line 240
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redo MAIN-LOOP; # line 250
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}
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} while False; # MAIN-LOOP:
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# out of money
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put(); # line 990
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put(); # line 1000
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put "SORRY, FRIEND, BUT YOU BLEW YOUR WAD."; # line 1010
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put(); put(); # line 1015
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my $Again = prompt "TRY AGAIN (YES OR NO)"; # line 1020
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put(); put(); # line 1025
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if $Again.uc eq "YES" { # line 1030
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redo START; # line 1030
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}
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put "O.K., HOPE YOU HAD FUN!"; #line 1040
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# exit; # line 1050
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} while False; # START:
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Reference in New Issue
Block a user