X-Git-Url: http://git.shiar.nl/wormy.git/blobdiff_plain/6d64bb2aa29809c9c24fb5ee036766440b62bf4a..4a81674950329bfeb881ff6e08792daffd8cf849:/parse-wormedit

diff --git a/parse-wormedit b/parse-wormedit
index 4c4358f..0c94994 100755
--- a/parse-wormedit
+++ b/parse-wormedit
@@ -9,11 +9,13 @@ use Getopt::Long 2.33 qw(HelpMessage :config bundling);
 use Games::Wormy::TICalcLevels;
 use Games::Wormy::WormEdit;
 
-our $VERSION = '1.05';
+our $VERSION = '1.06';
 
 GetOptions(\my %opt,
 	'raw|r',  # full output
 	'version=i',  # force version
+	'render:i',  # image of level(s)
+	'output|o=s',  # output file
 ) or HelpMessage(-exitval => 2);
 
 my @OBJTYPE = ('none', 'line', 'fat line', 'bar', 'circle');
@@ -46,8 +48,44 @@ else {
 	die "Unrecognised file type\n";
 }
 
+if ($opt{output}) {{
+	# derive format from file extension
+	if ($opt{output} =~ /\.yaml$/) {
+		$opt{raw} = 1;
+	}
+	elsif ($opt{output} !~ /\.txt$/) {
+		$opt{render} ||= 0;
+		last;  # images are written directly to file
+	}
+
+	# redirect standard output to given file
+	open my $output, '>', $opt{output}
+		or die "Cannot output to '$opt{output}': $!";
+	select $output;
+}}
+
 # output with user-preferred formatting
-if ($opt{raw}) {
+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;
+	}
+
+	my $img = Games::Wormy::Render->composite(
+		map { $data->{levels}->[$_] } @request
+	);
+	$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;
@@ -131,12 +169,14 @@ parse-wormedit - Wormy level data parser
 
 =head1 SYNOPSIS
 
- parse-wormedit [--raw] <input.lvl>
+ parse-wormedit [--raw|--render] [--output <file.ext>] <input.lvl>
 
 =head1 DESCRIPTION
 
 Reads Wormy levels (either original WormEdit source or compiled TI-86 string)
-from STDIN or given file, and outputs contents, summarised or in full.
+from STDIN or given file, and prints summarised contents to STDOUT.
+
+If an I<output> file name is given, its extension determines the format.
 
 =head1 AUTHOR