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=head1 NAME |
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|
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NPC_Dialogue |
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|
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=head1 DESCRIPTION |
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|
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NPC dialogue support module. |
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|
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=cut |
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|
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package NPC_Dialogue; |
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|
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use strict; |
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|
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sub has_dialogue($) { |
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my ($ob) = @_; |
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|
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$ob->get_message =~ /^\@match /; |
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} |
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|
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sub parse_message($) { |
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map [split /\n/, $_, 2], |
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grep length, |
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split /^\@match /m, |
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$_[0] |
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} |
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|
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sub new { |
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my ($class, %arg) = @_; |
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|
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my $self = bless { |
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%arg, |
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}, $class; |
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|
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$self->{match} ||= [parse_message $self->{npc}->get_message]; |
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|
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$self; |
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} |
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|
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sub greet { |
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my ($self) = @_; |
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|
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$self->tell ("hi") |
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} |
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|
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sub tell { |
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my ($self, $msg) = @_; |
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|
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my $lcmsg = lc $msg; |
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|
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match: |
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for my $match (@{ $self->{match} }) { |
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for (split /\|/, $match->[0]) { |
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if ($_ eq "*" || $lcmsg eq lc) { |
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my $reply = $match->[1]; |
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|
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my @match; # @match/@parse command results |
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|
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# now execute @-commands (which can result in a no-match) |
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while ($reply =~ s/^\@(\w+)\s*([^\n]*)\n?//) { |
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my ($cmd, $args) = ($1, $2); |
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|
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if ($cmd eq "parse" || $cmd eq "match") { # match is future rename |
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no re 'eval'; # default, but make sure |
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@match = $msg =~ /$args/i |
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or next match; |
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|
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} elsif ($cmd eq "cond") { |
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cf::safe_eval $args, who => $self->{ob}, npc => $self->{npc}, msg => $msg |
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or next match; |
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|
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} elsif ($cmd eq "eval") { |
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cf::safe_eval $args, who => $self->{ob}, npc => $self->{npc}, msg => $msg; |
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warn "\@eval evaluation error: $@\n" if $@; |
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|
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} else { |
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warn "unknown dialogue command <$cmd,$args> used (from " . $self->{npc}->get_message . ")"; |
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} |
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} |
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|
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# combine lines into paragraphs |
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$reply =~ s/(?<=\S)\n(?=\w)/ /g; |
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$reply =~ s/\n\n/\n/g; |
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|
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my @kw; |
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# now mark up all matching keywords |
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for my $match (@{ $self->{match} }) { |
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for (sort { (length $b) <=> (length $a) } split /\|/, $match->[0]) { |
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if ($reply =~ /\b\Q$_\E\b/i) { |
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push @kw, $_; |
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last; |
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} |
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} |
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} |
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|
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return wantarray ? ($reply, @kw) : $reply; |
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} |
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} |
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} |
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|
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() |
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} |
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|
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1 |
