+if (defined $opt{render}) {
+ require Games::Wormy::Render;
+
+ my @request;
+ if ($opt{render}) {
+ # find all numeric values in argument
+ @request = $opt{render} =~ /(\d+)/g;
+ }
+ else {
+ # default to all singleplayer levels
+ @request = 0 .. $data->{levelcount}->{single} - 1;
+ }
+ @request or die "no levels found or specified\n";
+
+ my $img = Games::Wormy::Render->composite(
+ map { $data->{levels}->[$_] } @request
+ ) or die "empty result for levels\n";
+ $img->write(
+ $opt{output} ? (file => $opt{output}) : (fh => \*STDOUT, type => 'pnm')
+ ) or die $img->errstr;
+}
+elsif ($opt{raw}) {
+ # full data in yaml (human-readable) formatting
+ require YAML;
+ local $YAML::CompressSeries;
+ $YAML::CompressSeries = 0;
+ my $yml = "# Wormy levelset\n" . YAML::Dump($data);
+
+ # inline format of short hashes
+ $yml =~ s{
+ ^(\ *) - \n # array indicator
+ ((?:\1\ \ [a-z0-9]{1,5}:\ *\d+\n)+) # simple hash declaration
+ (?!\1\ ) # no further children
+ }[
+ my ($indent, $value) = ($1, $2);
+ chop $value;
+ $value =~ s/^ +//gm;
+ $value =~ s/\n/, /g;
+ "$indent- {$value}\n";
+ ]egmx;
+
+ print $yml;