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###################################################################### |
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# Games::Blackjack -- 2003, Mike Schilli |
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###################################################################### |
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37739
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use warnings; use strict; |
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73
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package Games::Blackjack; |
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our $VERSION = "0.04"; |
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#========================================== |
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package Games::Blackjack::Shoe; |
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#========================================== |
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14
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1
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1
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2529
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use Algorithm::GenerateSequence; |
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754
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1
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33
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15
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use Algorithm::Numerical::Shuffle |
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1143
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qw(shuffle); |
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663
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1
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305
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########################################### |
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sub new { |
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########################################### |
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21
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2
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2
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550
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my($class, @options) = @_; |
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22
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23
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2
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9
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my $self = {nof_decks => 1, @options}; |
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25
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2
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6
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bless $self, $class; |
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26
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2
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10
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$self->reshuffle(); |
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27
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2
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912
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return $self; |
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28
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} |
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30
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########################################### |
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31
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sub reshuffle { |
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32
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########################################### |
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33
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2
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2
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3
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my($self) = @_; |
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34
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35
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2
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27
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my @cards = |
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36
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(Algorithm::GenerateSequence->new( |
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37
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[qw( Heart Diamond Spade Club )], |
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38
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[qw( A 2 3 4 5 6 7 8 9 10 J Q K )]) |
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39
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->as_list()) x $self->{nof_decks}; |
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40
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41
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2
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1726
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$self->{cards} = shuffle \@cards; |
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42
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} |
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43
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44
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########################################### |
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45
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sub remaining { |
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46
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########################################### |
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47
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0
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0
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0
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my($self) = @_; |
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48
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49
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0
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0
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return scalar @{$self->{cards}}; |
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0
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0
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50
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} |
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51
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52
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########################################### |
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53
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sub draw_card { |
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54
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########################################### |
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55
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0
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0
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0
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my($self) = @_; |
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56
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57
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0
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0
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return shift @{$self->{cards}}; |
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0
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0
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58
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} |
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59
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60
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#========================================== |
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61
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package Games::Blackjack::Hand; |
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62
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#========================================== |
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63
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1
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1
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1386
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use Quantum::Superpositions; |
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1
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48158
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1
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8
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64
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1
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1
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1960
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use Log::Log4perl qw(:easy); |
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1
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80204
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1
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10
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65
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66
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########################################### |
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67
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sub new { |
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68
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########################################### |
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69
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3
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3
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28
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my($class, @options) = @_; |
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70
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71
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3
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10
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my $self = { cards => [], @options }; |
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72
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73
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3
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50
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12
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die "No shoe" if !exists $self->{shoe}; |
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74
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3
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14
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bless $self, $class; |
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75
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} |
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76
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77
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########################################### |
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78
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sub draw { |
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79
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########################################### |
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80
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0
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0
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0
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my($self) = @_; |
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81
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82
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0
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0
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push @{$self->{cards}}, |
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0
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0
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83
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$self->{shoe}->draw_card(); |
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84
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} |
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85
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86
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########################################### |
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87
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sub count { |
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88
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########################################### |
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89
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18
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18
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15120
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my($self, $how) = @_; |
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90
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91
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18
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52
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my $counts = any(0); |
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92
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93
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18
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101
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for(@{$self->{cards}}) { |
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18
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54
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94
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50
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100
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8488
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if($_->[1] =~ /\d/) { |
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50
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95
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26
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180
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$counts += $_->[1]; |
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96
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} elsif($_->[1] eq 'A') { |
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97
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48
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25400
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$counts = any( |
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98
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24
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84
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map { eigenstates $_ } $counts+1, $counts+11); |
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99
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} else { |
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100
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0
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0
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$counts += 10; |
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101
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} |
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102
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} |
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103
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104
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18
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10803
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DEBUG "counts(before)=$counts"; |
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105
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106
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# Delete busted hands |
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107
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18
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4094
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$counts = ($counts <= 21); |
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108
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109
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18
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9531
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DEBUG "counts(after)=$counts"; |
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110
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111
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# Busted!! |
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112
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18
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100
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2705
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return undef if ! eigenstates($counts); |
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113
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114
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14
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100
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14681
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return $counts unless defined $how; |
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115
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116
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12
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100
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92
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if($how eq "hard") { |
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50
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117
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# Return minimum |
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118
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1
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5
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return int($counts <= |
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119
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all(eigenstates($counts))); |
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120
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} elsif($how eq "soft") { |
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121
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# Return maxium |
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122
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11
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37
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return int($counts >= |
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123
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all(eigenstates($counts))); |
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124
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} |
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125
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} |
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126
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127
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########################################### |
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128
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sub blackjack { |
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129
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########################################### |
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130
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2
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2
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16
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my($self) = @_; |
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131
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132
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2
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9
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my $c = $self->count(); |
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133
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134
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2
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100
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65
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return 0 unless defined $c; |
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135
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136
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1
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1110
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return 1 if $c == 21 and $c == 11 and |
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137
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1
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50
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33
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5
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@{$self->{cards}} == 2; |
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33
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138
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0
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0
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return 0; |
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139
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} |
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140
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141
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########################################### |
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142
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sub as_string { |
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143
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########################################### |
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144
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0
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0
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0
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my($self) = @_; |
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145
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146
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0
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0
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return "[" . join(',', map({ "@$_" } |
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0
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0
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147
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0
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0
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@{$self->{cards}})) . "]"; |
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148
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} |
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149
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150
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########################################### |
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151
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sub count_as_string { |
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152
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########################################### |
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153
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0
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0
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0
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my($self) = @_; |
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154
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155
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0
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0
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0
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return $self->busted() ? |
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0
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156
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"Busted" : $self->blackjack() ? |
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157
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"Blackjack" : $self->count("soft"); |
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158
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} |
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159
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160
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########################################### |
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161
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sub busted { |
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162
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########################################### |
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163
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2
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2
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666
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my($self) = @_; |
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164
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165
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2
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7
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return ! defined $self->count(); |
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166
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} |
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167
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168
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########################################### |
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169
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sub score { |
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170
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########################################### |
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171
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0
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0
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my($self, $dealer) = @_; |
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172
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173
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0
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0
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return -1 if $self->busted(); |
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174
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175
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0
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0
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return 1 if $dealer->busted(); |
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176
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177
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0
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0
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0
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return 0 if $self->blackjack() and |
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178
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$dealer->blackjack(); |
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179
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180
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0
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0
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return 1.5 if $self->blackjack(); |
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181
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182
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0
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0
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return -1 if $dealer->blackjack(); |
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183
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184
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0
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return $self->count("soft") <=> |
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185
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$dealer->count("soft"); |
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186
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} |
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187
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188
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1; |
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189
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190
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__END__ |