#!/usr/bin/env perl
+use 5.010;
use strict;
use warnings;
-use 5.010;
+use experimental 'switch';
+use lib 'lib'; # make runnable for simple cases
use Data::Dumper;
use Getopt::Long 2.33 qw(HelpMessage :config bundling);
+use Games::Wormy::TICalcLevels;
+use Games::Wormy::WormEdit;
-our $VERSION = '1.02';
+our $VERSION = '1.07';
GetOptions(\my %opt,
- 'raw|r', # full output
+ 'format|f=s', # output type
+ 'raw|r!', # compatibility for yaml format
'version=i', # force version
+ 'levels|render:i', # image of level(s)
+ 'output|o=s', # output file
) or HelpMessage(-exitval => 2);
-
-
-package Shiar_Parse::WormEdit;
-
-use strict;
-use warnings;
-
-our %MAGICID = (
- "WormEdit053\000LVL" => 53,
- "WormEdit\34195\000LVL" => 95,
- "WormEdit\34194\000LVL" => 94,
- "WormEdit\34193\000LVL" => 93,
-);
-
-my @FORMAT = (
- magic => 'a15',
- version => 'C',
- name => 'Ca32',
- description => 'Ca64x256',
- levelcount => [1,
- single => 'C',
- multi => 'C',
- race => 'C',
- ctf => 'C',
- total => 'C',
- ],
- moderef => [1,
- map { (start => $_, end => $_) } [1,
- single => 'C',
- peaworm => 'C',
- tron => 'C',
- deathmatch => 'C',
- foodmatch => 'C',
- multifood => 'C',
- timematch => 'C',
- race => 'C',
- ctf => 'Cx',
- ],
- ],
- sprite => ['8C',
- line => 'B8',
- ],
- endtype => 's',
- endstr => 'Ca255',
- enddata => 'Ca255x256',
- hiname => 'a3',
- levels => ['*', # levelcount->total actually
- id => 'Ca22',
- name => 'Ca22',
- size => 'C',
- peas => 'C',
- delay => 'C',
- growth => 'C',
- bsize => 'C',
- sprite => ['8C',
- line => 'B8',
- ],
- balls => ['32C',
- y => 'C',
- x => 'C',
- dir => 'C',
- ],
- worms => [4,
- d => 'C',
- y => 'C',
- x => 'C',
- ],
- width => 'C',
- height => 'C',
- flags => [2,
- y => 'C',
- x => 'C',
- ],
- objects => ['128C',
- type => 'C',
- x1 => 'C',
- y1 => 'C',
- x2 => 'C',
- y2 => 'C',
- ],
- ],
-);
-
-sub read {
- my ($self, $input) = @_;
- my ($id, $subid) = (substr($input, 0, 15), ord substr($input, 15, 1));
- my $version = $opt{version} // $MAGICID{$id}
- or die "File does not match any known WormEdit level header\n";
- $subid == $version
- or warn "Unsupported version $subid (expecting $version)\n";
- given ($version) {
- when (53) {
- # current @FORMAT
- }
- when ($_ <= 95 and $_ > 90) {
- ref $_ and pop @$_ for @{ $FORMAT[11] }; # only 8 moderefs
- $FORMAT[-1]->[-1]->[0] = '32C'; # less objects
- continue;
- }
- when (95) {
- $FORMAT[7] = 'Ca64'; # no reserved space after description
- #ref $_ and $_->[-1] = 'C' for @{ $FORMAT[11] }; # only 9 moderefs
- $FORMAT[19] = 'Ca255'; # enddata
- splice @FORMAT, 6, 2 if $subid < 95; # early (sub)version without description
- }
- when ($_ <= 94 and $_ > 90) {
- splice @FORMAT, 6, 2; # no description
- splice @{ $FORMAT[7] }, 4, 2; # no race
- splice @FORMAT, 16, 2; # no enddata
- splice @{ $FORMAT[-1] }, 1, 2; # no name
- continue if $_ < 94;
- }
- when (93) {
- splice @FORMAT, 16, 2; # no hiname
- $FORMAT[-1]->[0] = 64; # constant amount of levels
- }
- default {
- die "Cannot parse data for Wormedit $version\n";
- }
- }
-
- # convert to an easily accessible hash
- my @values = unpack Shiar_Parse::Nested->template(\@FORMAT).'a*', $input;
- my $data = Shiar_Parse::Nested->convert(\@FORMAT, \@values);
- warn "Trailing data left unparsed\n" if grep {length} @values;
- $data->{format} = 'WormEdit';
- return $data;
-}
-
-
-package Shiar_Parse::WormyLevel;
-
-sub read {
- my ($self, $input) = @_;
- my ($psize, $ptype, $size, $type, $vsize, $dsize, $id, $subid) = unpack q{
- x11 x42 # file signature and comment
- S a2 S a2 # file size, type; data size, type
- x8 # var name
- S S # var size; content size
- CC # wormy header
- }, $input;
- $ptype eq "\014\000"
- or die "Not a calculator string, thus cannot be a Wormy level file\n";
- $size == $psize - 16
- or warn "File size ($size) does not correspond with data size ($psize)\n";
- $type eq "\014\010"
- or die "Not a calculator string, thus cannot be a Wormy level file\n";
- $size == $vsize and $vsize == $dsize+2
- or warn "Mismatch in string data size declarations\n";
-# substr($input, -2) eq $CHECKSUM
-
- $input = substr $input, 73, -2;
- $id eq ord 'w'
- or die "Wormy level identifier not found\n";
- my @FORMAT = (
- magic => 'a1',
- version => 'C',
- name => 'Z*',
- description => 'Z*',
- levelcount => [1,
- total => 'S',
- ],
- moderef => [1,
- map { (
- start => [1, map {$_ => 'S'} @$_],
- end => [1, map {$_ => 'C'} @$_],
- ) }
- [qw/single peaworm tron deathmatch foodmatch multifood timematch race ctf/]
- ],
- theanswer => 'C', # 42
- sprite => ['C',
- line => 'B8',
- ],
- leveldata => 'a*',
- );
- my @LEVELFORM = (
- peas => 'C',
- delay => 'C',
- growth => 'C',
- bsize => 'C',
- sprite => ['C',
- line => 'B8',
- ],
- balls => ['C',
- y => 'C',
- x => 'C',
- dir => 'C',
- ],
- worms => [1,
- d => 'C',
- y => 'C',
- x => 'C',
- ],
- width => 'C',
- height => 'C',
- #levels
- #enddata
- #levels-multi
- #hinames
- );
- my @OBJECTFORM = (
- type => 'C',
- x1 => 'C',
- y1 => 'C',
- x2 => 'C',
- y2 => 'C',
- );
-
- given ($subid) {
- when (97) {
- }
- default {
- die "Unsupported level version $subid\n";
- }
- }
-
- my $data = Shiar_Parse::Nested->unpack(\@FORMAT, $input);
- while (length $data->{leveldata}) {
- my $level = Shiar_Parse::Nested->unpack([@LEVELFORM], $data->{leveldata});
- my $offset = 13
- + 3 * (ref $level->{worms} eq 'ARRAY' ? scalar @{$level->{worms}} : 1)
- + ($level->{sprite} ? scalar @{$level->{sprite}} : 0)
- + ($level->{balls} ? 3 * scalar @{$level->{balls}} : 0);
- $level->{objects} = [];
- while (my $object = ord substr($data->{leveldata}, $offset, 1)) {
- push @{ $level->{objects} }, Shiar_Parse::Nested->unpack(
- [@OBJECTFORM], substr($data->{leveldata}, $offset, 5)
- );
- $offset += 5;
- }
- $level->{size} = $offset;
- $offset++;
- push @{ $data->{levels} }, $level;
- substr($data->{leveldata}, 0, $offset) = '';
- last if substr($data->{leveldata}, 0, 1) eq chr(255);
- }
- my $slots = 1; #TODO
- $data->{hinames} = [ unpack '(a3)*', substr($data->{leveldata}, -3 * $slots) ];
- $data->{enddata} = substr delete($data->{leveldata}), 0, -3 * $slots;
- $data->{format} = '86s';
- $data->{levelcount}->{single} = scalar @{ $data->{levels} };
- return $data;
-}
-
-
-package Shiar_Parse::Nested;
-
-sub template {
- my ($self, $format) = @_;
- # total (flattened) unpack template from nested format definitions
- return join '', map {
- my $value = $format->[-($_ << 1) - 1];
- if (ref $value eq 'ARRAY') {
- my $count = $value->[0];
- $value = $self->template($value);
- $value = $count =~ s/^([*\d]+)// ? "$count($value)$1"
- : $count."X[$count]$count/($value)";
- }
- else {
- $value =~ s/^C(a)(\d+)/$1 . ($2 + 1)/e; # length prefix
- }
- $value;
- } reverse 0 .. ($#$format - 1) >> 1;
-}
-
-sub convert {
- my ($self, $format, $data) = @_;
- # map flat results into a named and nested hash
- my %res;
- while (my ($field, $template) = splice @$format, 0, 2) {
- if (ref $template eq 'ARRAY') {
- my ($count, @subformat) = @$template;
- my $max = $count =~ s/^(\d+)// ? $1 : 0;
- $count = !$count ? $max
- : $count eq '*' ? $res{levelcount}->{total} : shift @$data;
- $res{$field}->[$_] = $self->convert([@subformat], $data) for 0 .. ($max || $count)-1;
- splice @{ $res{$field} }, $count if $max > $count;
- $res{$field} = $res{$field}->[0] if $max == 1;
- next;
- }
- elsif ($template =~ /^Ca/) {
- $data->[0] = CORE::unpack 'C/a', $data->[0];
- }
- $res{$field} = shift @$data;
- }
- return \%res;
-}
-
-sub unpack {
- my ($self, $format, $input) = @_;
- my @data = CORE::unpack $self->template($format), $input;
- return $self->convert($format, \@data);
-}
-
-
-package main;
+$opt{format} //= 'yaml' if $opt{raw};
+$opt{format} //= 'pnm' if defined $opt{levels};
my @OBJTYPE = ('none', 'line', 'fat line', 'bar', 'circle');
my @ENDTYPE = ('none', 'message', 'small message');
my $rawdata = readline;
if (substr($rawdata, 0, 11) eq "**TI86**\032\012\000") {
# compiled calculator file
- $data = Shiar_Parse::WormyLevel->read($rawdata);
+ $data = Games::Wormy::TICalcLevels->read($rawdata, $opt{version});
}
elsif (substr($rawdata, 0, 8) eq 'WormEdit') {
# original wormedit source
- $data = Shiar_Parse::WormEdit->read($rawdata);
+ $data = Games::Wormy::WormEdit->read($rawdata, $opt{version});
}
else {
die "Unrecognised file type\n";
}
+if ($opt{output}) {{
+ # derive format from file extension
+ if ($opt{output} =~ /\.yaml$/) {
+ $opt{format} //= 'yaml';
+ }
+ elsif ($opt{output} !~ /\.txt$/) {
+ $opt{format} //= 'pnm';
+ 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}) {
- require JSON::XS;
- my $output = JSON::XS->new->ascii->canonical->pretty->allow_nonref;
- print $output->encode($data), "\n";
+given ($opt{format}) {
+when ('pnm') {
+ require Games::Wormy::Render;
+
+ my @request;
+ if ($opt{levels}) {
+ # find all numeric values in argument
+ @request = $opt{levels} =~ /(\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;
}
-else {
+when ('yaml') {
+ # 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;
+}
+default {
print $data->{name};
print " ($data->{description})" if defined $data->{description};
print "\n";
printf "File version: %s\n", "$data->{format} v$data->{version}";
printf "Defaults: %s\n", join('; ',
- 'sprite ' . scalar @{ $data->{sprite} },
+ $data->{sprite} ? 'sprite ' . scalar @{ $data->{sprite} } : (),
defined $data->{hiname} ? 'hiscore by ' . $data->{hiname} : (),
);
my $startnr = 0;
- for my $variant (qw/single multi race ctf/) {
+ for my $variant (qw/single peaworm multi race ctf/) {
my $count = $data->{levelcount}->{$variant};
+ defined $count or next;
print "\n";
- printf '%s (%s)', ucfirst $variant, $count // 'invalid';
+ printf '%s (%s)', ucfirst $variant, $count;
$count or next;
print ":";
for (0 .. $count - 1) {
$level->{sprite} && @{$level->{sprite}} && sprintf('sprite %d',
scalar @{$level->{sprite}},
),
+ $level->{balls} && @{$level->{balls}} && sprintf('%d bounc%s',
+ scalar @{$level->{balls}}, @{$level->{balls}} == 1 ? 'y' : 'ies',
+ ),
),
);
}
$startnr += $count;
- }
- continue {
+
print "\n";
printf("-- %-21s%4s: %s (%s)\n",
'(ending)',
- defined $data->{enddata} ? length $data->{enddata} : '?',
- defined $data->{endtype} ? $ENDTYPE[$data->{endtype}] || 'unknown' : 'code',
- $data->{endstr} // '?',
+ defined $data->{finish}->{code}
+ ? length $data->{finish}->{code} : '?',
+ defined $data->{finish}->{type}
+ ? $ENDTYPE[$data->{finish}->{type}] || 'unknown' : 'code',
+ $data->{finish}->{message} // '?',
) if $variant eq 'single';
}
+ print "\n";
+}
}
__END__
=head1 NAME
-parse-wormedit - WormEdit level data parser
+parse-wormedit - Wormy level data parser
=head1 SYNOPSIS
- parse-wormedit [--raw] <input.lvl>
+ parse-wormedit [--format=<type>] [--levels=<number>] [--output=<file.ext>] <input.lvl>
=head1 DESCRIPTION
-Reads WormEdit v0.53 levels from STDIN or given file,
-and outputs contents, summarised or in full.
+Reads Wormy levels (either original WormEdit source or compiled TI-86 string)
+from STDIN or given file, and prints parsed data to STDOUT.
+
+If an I<output> file name is given, its extension determines the format,
+otherwise explicitly given by the I<format> option:
+
+=over 6
+
+=item txt
+
+Plain text summary of levelpack contents.
+
+=item yaml
+
+All parsed data in YAML syntax.
+
+=item pnm, png, bmp, ...
+
+Image drawing of rendered levels.
+Unrecognised values are interpreted as file type and converted by Imager.
+
+=back
=head1 AUTHOR