X-Git-Url: http://git.shiar.nl/wormy.git/blobdiff_plain/6c599c66b38654aef23387cc2d4800dc10ea74f5..7c64957ec9a87cf71ccf5fa7c28bb8c37b27efc6:/parse-wormedit diff --git a/parse-wormedit b/parse-wormedit index 6eb7915..84e4e31 100755 --- a/parse-wormedit +++ b/parse-wormedit @@ -163,10 +163,11 @@ use strict; use warnings; use List::Util qw(sum min max); +use Data::Dumper; sub read { my ($self, $input) = @_; - my ($psize, $ptype, $size, $type, $vsize, $dsize, $id, $subid) = unpack q{ + my ($psize, $ptype, $size, $type, $vsize, $dsize, $id, $version) = unpack q{ x11 x42 # file signature and comment S a2 S a2 # file size, type; data size, type x8 # var name @@ -186,6 +187,17 @@ sub read { $input = substr $input, 73, -2; $id eq ord 'w' or die "Wormy level identifier not found\n"; + + if ($opt{version}) { + warn "Override version $version to $opt{version}\n"; + $version = $opt{version}; + } + elsif ($version == 95) { + # level offset instead of description byte + $version-- if (unpack('x2Z*x2xC', $input))[1] == 0xF4; + warn "Ambiguous file version 95; guessing subversion $version\n"; + } + my @FORMAT = ( magic => 'a1', version => 'C', @@ -243,26 +255,53 @@ sub read { x2 => 'C', y2 => 'C', ); + my $offsetbase = 0xF080; - given ($subid) { + given ($version) { when (97) { # current @FORMAT } - when (95) { - ref $_ and splice @$_, -2 for @{ $FORMAT[11] }; # only 8 moderefs + $offsetbase = 0xF400; + when (96) {} + ref $_ and splice(@$_, -8, 2) for @{ $FORMAT[11] }; # no multifood splice @FORMAT, 12, 2; # no reserved byte + when (95) {} + splice @FORMAT, 6, 2; # no description + when (94) {} + when (90) { + $FORMAT[5] = 'C/a'; # length-preceding name + splice @FORMAT, 10, 2; # no default sprite + ref $_ and do { + $_->[5] = $_->[7]; # no tron; deathmatch instead + $_->[7] = $_->[9]; # foodmatch instead + $_->[9] = 'linkmatch'; # replaces timematch + $_->[11] = $_->[13]; # race + $_->[13] = $_->[15]; # ctf + $_->[15] = 'domination'; + } for @{ $FORMAT[9] }; # no multifood + push @LEVELFORM, "object$_" => ['C', + map {$_ => 'C'} qw(x1 y1 x2 y2) + ] for qw(lines boxes); } default { - die "Unsupported level version $subid\n"; + die "Unsupported level version $version\n"; } } my $data = Shiar_Parse::Nested->unpack(\@FORMAT, $input); my $offset = 0; - my $offsetbase = 0xF080 + @{ $data->{sprite} } + 1; + $offsetbase += 1 + @{ $data->{sprite} } if $data->{sprite}; $data->{moderef}->{offset}->{single} == $offsetbase or warn "First singleplayer level is not in front\n"; + 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->{format} = '86s'; + my @VARMODES = ( [qw'single single'], [qw'multi peaworm tron deathmatch foodmatch multifood timematch'], @@ -273,13 +312,19 @@ sub read { $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 @modeoffsets = grep {defined} #TODO: comment + map { $data->{moderef}->{offset}->{$_} } @$modes; + @modeoffsets or next; + $data->{levelcount}->{$variant} = 0; + $offset = min(grep {$_} @modeoffsets) or next; + $offset -= $offsetbase; + my $amount = $variant eq 'single' ? 100 + : max(grep {defined} 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'; + unshift @varform, name => 'Z*' unless $variant eq 'single' or $version <= 91; + $varform[-1]->[0] = 1 if $variant eq 'race' and $version > 91; $varform[-1]->[0] = 2 if $variant eq 'ctf'; while ($offset < length $data->{leveldata}) { @@ -305,28 +350,63 @@ sub read { # add objects until terminator $level->{objects} = []; + if ($version <= 91) { + push @{ $level->{objects} }, { %$_, type => 2 } for map { $level->{$_} ? @{ $level->{$_} } : () } qw(objectlines); + push @{ $level->{objects} }, { %$_, type => 3 } for map { $level->{$_} ? @{ $level->{$_} } : () } qw(objectboxes); + $size += 1 + 4 * scalar @{ $level->{objects} }; + } + else { 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} >= $amount; } + + if ($variant eq 'single') { + $offset++; + $data->{finish}->{code} = + my $code = substr $data->{leveldata}, $offset, -5*$slots; + + my %FINISHCODE = ( + 0 => chr 0xC9, # ret + 1 => join('', + chr 0x21, # ld hl, MESSAGE + pack('v', $offsetbase + $offset + 9), + (map {chr} + 0xCD, 0x37, 0x4A, # call _puts + 0xC3, 0xAA, 0x55, # jp _getkey + ), + ), + 2 => join('', + (map {chr} + 0x21, 0, 0x1C, # ld hl, $POS + 0x22, 0x7C, 0xC3, # ld (_penCol), hl + 0x21, # ld hl, MESSAGE + ), + pack('v', $offsetbase + $offset + 15), + (map {chr} + 0xCD, 0xA5, 0x4A, # call _vputs + 0xC3, 0xAA, 0x55, # jp _getkey + ), + ), + ); + while (my ($finish, $match) = each %FINISHCODE) { + $match eq substr $code, 0, length $match or next; + $data->{finish}->{type} = $finish and + $data->{finish}->{message} = unpack 'Z*', substr($code, length $match); + last; + } + } } - 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) ]; - $data->{finish}->{code} = substr delete($data->{leveldata}), $offset, -5 * $slots; #XXX - $data->{format} = '86s'; return $data; } @@ -442,7 +522,7 @@ else { print "\n"; printf "File version: %s\n", "$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} : (), );