#!/usr/bin/env perl
use strict;
use warnings;
+use 5.010;
use Data::Dumper;
use Getopt::Long 2.33 qw(HelpMessage :config bundling);
-our $VERSION = '1.00';
+our $VERSION = '1.02';
GetOptions(\my %opt,
- 'raw|r',
+ 'raw|r', # full output
+ 'version=i', # force version
) or HelpMessage(-exitval => 2);
-my $MAGICID = "WormEdit053\000LVL";
+
+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',
],
);
-# read and parse all input data
-local $/;
-my @rawdata = unpack Shiar_Parse::Nested->template(\@FORMAT).'a*', readline;
-$rawdata[0] eq $MAGICID
- or die "File does not match WormEdit level header\n";
-$rawdata[1] == 53
- or warn "Unsupported version $rawdata[1] (expecting 53)\n";
-
-# convert to an easily accessible hash
-my $data = Shiar_Parse::Nested->convert(\@FORMAT, \@rawdata);
-warn "Trailing data left unparsed\n" if grep {length} @rawdata;
+sub read {
+ my ($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 $version\n";
+ }
+ }
-# output with user-preferred formatting
-if ($opt{raw}) {
- require JSON::XS;
- my $output = JSON::XS->new->ascii->canonical->pretty->allow_nonref;
- print $output->encode($data), "\n";
+ # 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 $data;
}
-else {
- print "$data->{name} ($data->{description})\n";
- my $startnr = 0;
- for my $variant (qw/single multi race ctf/) {
- print "\n";
- my $count = $data->{levelcount}->{$variant};
- printf "\u$variant ($count)";
- $count or next;
- print ":";
- printf("\n- %-22s (%3sx%3s, %d objects)",
- $_->{id}, $_->{width}, $_->{height}, scalar @{ $_->{objects} },
- ) for map { $data->{levels}->[$_ + $startnr] }
- 0 .. $count - 1;
- $startnr += $count;
+
+
+package Shiar_Parse::WormyLevel;
+
+sub read {
+ my ($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";
+ }
}
- continue {
- print "\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 $max = $count =~ s/^(\d+)// ? $1 : 0;
$count = !$count ? $max
: $count eq '*' ? $res{levelcount}->{total} : shift @$data;
- $max ||= $count;
- $res{$field}->[$_] = $self->convert([@subformat], $data) for 0 .. $max-1;
+ $res{$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] = unpack 'C/a', $data->[0];
+ $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;
+
+my @OBJTYPE = ('none', 'line', 'fat line', 'bar', 'circle');
+my @ENDTYPE = ('none', 'message', 'small message');
+
+sub objsummary {
+ my ($objects) = @_;
+ my @objtypes = map { $_->{type} } @$objects;
+ my %count;
+ $count{$_}++ for @objtypes;
+ return (@objtypes > 1 && keys %count == 1 && 'all ') . join(', ',
+ map { $OBJTYPE[$_] ? $OBJTYPE[$_] . ($count{$_} > 1 && 's') : $_ }
+ sort keys %count
+ );
+}
+
+# read and parse all input data
+my $data;
+local $/;
+my $rawdata = readline;
+if (substr($rawdata, 0, 11) eq "**TI86**\032\012\000") {
+ # compiled calculator file
+ $data = Shiar_Parse::WormyLevel->read($rawdata);
+}
+elsif (substr($rawdata, 0, 8) eq 'WormEdit') {
+ # original wormedit source
+ $data = Shiar_Parse::WormEdit->read($rawdata);
+}
+else {
+ die "Unrecognised file type\n";
+}
+
+# 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";
+}
+else {
+ 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} },
+ defined $data->{hiname} ? 'hiscore by ' . $data->{hiname} : (),
+ );
+
+ my $startnr = 0;
+ for my $variant (qw/single multi race ctf/) {
+ my $count = $data->{levelcount}->{$variant};
+ print "\n";
+ printf '%s (%s)', ucfirst $variant, $count // 'invalid';
+ $count or next;
+ print ":";
+ for (0 .. $count - 1) {
+ my $level = $data->{levels}->[$_ + $startnr];
+ printf("\n- %-22s%4s:%3s+%2s%3s %3sx%-3s%s",
+ $level->{id} || $level->{name} || '#'.($_+1),
+ @$level{qw/size bsize growth/},
+ $variant eq 'single' && "x$level->{peas}",
+ @$level{qw/width height/},
+ join(';', map {" $_"} grep {$_}
+ @{$level->{objects}} && sprintf('%2d object%s (%s)',
+ scalar @{$level->{objects}}, @{$level->{objects}} != 1 && 's',
+ objsummary($level->{objects}),
+ ),
+ $level->{sprite} && @{$level->{sprite}} && sprintf('sprite %d',
+ scalar @{$level->{sprite}},
+ ),
+ ),
+ );
+ }
+ $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} // '?',
+ ) if $variant eq 'single';
+ }
+}
+
__END__
=head1 NAME
git.shiar.nl / wormy.git / blobdiff