use Data::Dumper;
use Getopt::Long 2.33 qw(HelpMessage :config bundling);
-our $VERSION = '1.02';
+our $VERSION = '1.03';
GetOptions(\my %opt,
'raw|r', # full output
sub read {
my ($self, $input) = @_;
- my ($id, $subid) = (substr($input, 0, 15), ord substr($input, 15, 1));
- my $version = $opt{version} // $MAGICID{$id}
+ my ($id, $version) = (substr($input, 0, 15), ord substr($input, 15, 1));
+ my $fileversion = $MAGICID{$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
+
+ if ($opt{version}) {
+ warn "Override version $version to $opt{version}\n";
+ $version = $opt{version};
+ }
+ elsif ($version != $fileversion) {
+ warn "Unexpected version $version (expecting $fileversion)\n";
+ }
+ elsif ($version == 95) {
+ # auto-detect exact variant
+ if (ord substr($input, 70, 1) ~~ [1 .. 8]) {
+ # valid sprite length instead of description byte
+ # (which is usually a letter or nul)
+ $version = 94;
}
- when ($_ <= 95 and $_ > 90) {
- ref $_ and pop @$_ for @{ $FORMAT[11] }; # only 8 moderefs
- $FORMAT[-1]->[-1]->[0] = '32C'; # less objects
- continue;
+ elsif (ord substr($input, 147, 1) == 0) {
+ # nul of end type is 2 bytes later (unlike first char of endstr)
+ $version = 96;
}
- when (95) {
+ warn "Ambiguous file version 95; guessing subversion $version\n";
+ };
+
+ $fileversion += 100 if $fileversion < 90; # 93..95 came before 50..53
+ given ($fileversion) {
+ when (153) { } # current @FORMAT
$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
+ $FORMAT[-1]->[-1]->[0] = '32C'; # less objects
+ when ($version == 96) {
+ ref $_ and $_->[-1] = 'C' for @{ $FORMAT[11] }; # 9 moderefs
}
- when ($_ <= 94 and $_ > 90) {
- splice @FORMAT, 6, 2; # no description
+ ref $_ and pop @$_ for @{ $FORMAT[11] }; # only 8 moderefs
+ splice @FORMAT, 6, 2 if $version <= 94; # earlier version without description
+ when (95) { }
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) {
+ when (94) { }
splice @FORMAT, 16, 2; # no hiname
$FORMAT[-1]->[0] = 64; # constant amount of levels
- }
+ when (93) { }
default {
- die "Cannot parse data for Wormedit $version\n";
+ die "Cannot parse data for Wormedit $fileversion/$version\n";
}
}
package Shiar_Parse::WormyLevel;
+use strict;
+use warnings;
+
+use List::Util qw(sum min max);
+
sub read {
my ($self, $input) = @_;
my ($psize, $ptype, $size, $type, $vsize, $dsize, $id, $subid) = unpack q{
],
moderef => [1,
map { (
- start => [1, map {$_ => 'S'} @$_],
- end => [1, map {$_ => 'C'} @$_],
+ offset => [1, map {$_ => 'S'} @$_], # byte location of start
+ end => [1, map {$_ => 'C'} @$_],
) }
[qw/single peaworm tron deathmatch foodmatch multifood timematch race ctf/]
],
],
width => 'C',
height => 'C',
+ flags => [0,
+ y => 'C',
+ x => 'C',
+ ],
#levels
#enddata
#levels-multi
given ($subid) {
when (97) {
+ # current @FORMAT
+ }
+ when (95) {
+ ref $_ and splice @$_, -2 for @{ $FORMAT[11] }; # only 8 moderefs
+ splice @FORMAT, 12, 2; # no reserved byte
}
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)
+ my $offset = 0;
+ my $offsetbase = 0xF080 + @{ $data->{sprite} } + 1;
+ $data->{moderef}->{offset}->{single} == $offsetbase
+ or warn "First singleplayer level is not in front\n";
+
+ my @VARMODES = (
+ [qw'single single'],
+ [qw'multi peaworm tron deathmatch foodmatch multifood timematch'],
+ [qw'race race'],
+ [qw'ctf ctf'],
+ );
+
+ $data->{levels} = [];
+ for my $modes (@VARMODES) {
+ my $variant = shift @$modes;
+ $offset = min(map { $data->{moderef}->{offset}->{$_} } @$modes) - $offsetbase;
+ my $amount = $variant eq 'single' ? 100 : max(map { $data->{moderef}->{end}->{$_} } @$modes);
+
+ my @varform = @LEVELFORM;
+ $varform[13]->[0] = $variant eq 'single' ? 1 : 4;
+ unshift @varform, name => 'Z*' unless $variant eq 'single';
+ $varform[-1]->[0] = 1 if $variant eq 'race';
+ $varform[-1]->[0] = 2 if $variant eq 'ctf';
+
+ while ($offset < length $data->{leveldata}) {
+ last if substr($data->{leveldata}, $offset, 1) eq chr(255);
+
+ # find references to this level offset, and set start number to matching modes
+ while (my ($mode, $location) = each %{ $data->{moderef}->{offset} }) {
+ $location == $offset + $offsetbase or next;
+ $data->{moderef}->{start}->{$mode} = 1 + scalar @{ $data->{levels} };
+ }
+
+ my $level = Shiar_Parse::Nested->unpack(
+ [@varform], substr $data->{leveldata}, $offset
);
- $offset += 5;
+ my $size = 8 # unpack length (ugh, ugly recalculation)
+ + (defined $level->{name} ? 1 + length $level->{name} : 0)
+ + 3 * (ref $level->{worms} eq 'ARRAY' ? scalar @{$level->{worms}} : 1)
+ + 2 * ($level->{flags} ? ref $level->{flags} eq 'ARRAY' ? scalar @{$level->{flags}} : 1 : 0)
+ + ($level->{sprite} ? scalar @{$level->{sprite}} : 0)
+ + ($level->{balls} ? 3 * scalar @{$level->{balls}} : 0);
+ $level->{size} = $size;
+ $level->{offset} = $offset + $offsetbase;
+
+ # add objects until terminator
+ $level->{objects} = [];
+ while (my $object = ord substr($data->{leveldata}, $offset+$size, 1)) {
+ push @{ $level->{objects} }, Shiar_Parse::Nested->unpack(
+ [@OBJECTFORM], substr($data->{leveldata}, $offset+$size, 5)
+ );
+ $size += 5;
+ }
+
+ # add parsed level and advance
+ push @{ $data->{levels} }, $level;
+ $offset += ++$size;
+ last if ++$data->{levelcount}->{$variant} >= $amount;
}
- $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;
+
+ my $slots = sum(
+ $data->{moderef}->{end}->{single} > 0, # singleplayer slot if any levels
+ $data->{moderef}->{end}->{peaworm}, # one for each peaworm arena
+ $data->{moderef}->{end}->{tron}, # idem for tron
+ );
+ $data->{hinames} = [ unpack '(x2a3)*', substr($data->{leveldata}, -5 * $slots) ];
+ $data->{enddata} = substr delete($data->{leveldata}), $offset, -5 * $slots; #XXX
$data->{format} = '86s';
- $data->{levelcount}->{single} = scalar @{ $data->{levels} };
return $data;
}
# output with user-preferred formatting
if ($opt{raw}) {
- require JSON::XS;
- my $output = JSON::XS->new->ascii->canonical->pretty->allow_nonref;
- print $output->encode($data), "\n";
+ # 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;
}
else {
print $data->{name};
=head1 NAME
-parse-wormedit - WormEdit level data parser
+parse-wormedit - Wormy level data parser
=head1 SYNOPSIS
=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 outputs contents, summarised or in full.
=head1 AUTHOR
git.shiar.nl / wormy.git / blobdiff