use warnings;
use Data::Dumper;
+use List::Util qw(sum);
+
+our $VERSION = '0.10';
+
sub open {
my ($class, $filename) = @_;
my $self = bless {}, $class;
open my $groupfile, '<', "$filename.cv5" or return;
$self->readgroups($groupfile);
- # vf4 = minitile type
- # vr4 = minitile sprites
- # vx4 = minitile map?
+ if (open my $groupfile, '<', "$filename.vx4") {
+ $self->readvx4($groupfile);
+ }
+ if (open my $groupfile, '<', "$filename.vf4") {
+ $self->readvf4($groupfile);
+ }
+ if (open my $groupfile, '<', "$filename.vr4") {
+ $self->readvr4($groupfile);
+ }
+ if (open my $groupfile, '<', "$filename.wpe") {
+ $self->readwpe($groupfile);
+ }
return $self;
}
sub _read {
my $self = shift;
my ($fh, $size, $seek) = @_;
+
seek $fh, $seek, 0 if $seek;
read($fh, my $in, $size) eq $size or return undef;
return $in;
}
+sub readwpe {
+ my $self = shift;
+ my ($fh) = @_;
+
+ # wpe = palette
+ while (defined (my $line = $self->_read($fh, 4))) {
+ push @{ $self->{palette} }, [ unpack 'CCCX', $line ];
+ }
+ return;
+}
+
+sub readvx4 {
+ my $self = shift;
+ my ($fh) = @_;
+
+ # vx4 = minitile map (4x4 references per megatile)
+ while (defined (my $line = $self->_read($fh, 16*2))) {
+ push @{ $self->{tileref} }, [ unpack 'v*', $line ];
+ }
+ return;
+}
+
+sub readvr4 {
+ my $self = shift;
+ my ($fh) = @_;
+
+ # vr4 = minitile sprites
+ while (defined (my $line = $self->_read($fh, 8**2))) {
+ push @{ $self->{minibmp} }, [ unpack 'C*', $line ];
+ }
+ return;
+}
+
+sub readvf4 {
+ my $self = shift;
+ my ($fh) = @_;
+
+ # vf4 = minitile type
+ while (defined (my $line = $self->_read($fh, 2))) {
+ push @{ $self->{minitype} }, unpack 'v', $line;
+ }
+ return;
+}
+
+sub col {
+ my $self = shift;
+ my ($minitile) = @_;
+
+ return $self->{bmp}->[$minitile] if defined $self->{bmp}->[$minitile];
+
+ my $pixels = $self->{minibmp}->[$minitile];
+ my $pal = $self->{palette};
+
+ my @rgb;
+ for my $color (@$pixels) {
+# $rgb[$_] += $self->{palette}->[$color]->[$_] for 0 .. 2;
+# # ^ wow, this is really slow
+ $rgb[0] += $pal->[$color]->[0];
+ $rgb[1] += $pal->[$color]->[1];
+ $rgb[2] += $pal->[$color]->[2];
+ }
+ return $self->{bmp}->[$minitile] = [map {$_ >> 6} @rgb];
+}
+
+=head2 col
+
+Average color [r,g,b] for minitile.
+
+For example, using the Jungle tileset:
+
+ $t->col(719)
+
+is a water minitile, giving a blue color C<[38, 38, 57]>.
+
+=cut
+
+sub sprite {
+ my $self = shift;
+ my ($id) = @_;
+
+ my $minitiles = $self->{tileref}->[$id];
+ my @pix;
+ for my $tiley (0 .. 3) {
+ for my $y (0 .. 7) {
+ for my $tilex (0 .. 3) {
+ # minitile number is half of tileref
+ # if odd, the minitile is mirrored
+ my $minitile = $minitiles->[$tilex + $tiley*4];
+
+ for my $x ($minitile & 1 ? (reverse 0 .. 7) : (0 .. 7)) {
+ push @pix, $self->{minibmp}->[$minitile >> 1]->[$x + $y*8];
+ }
+ }
+ }
+ }
+ return \@pix;
+}
+
+=head2 sprite
+
+Returns bitmap of an entire tile, as 32x32 color indexes.
+
+For example, the green value of the bottom center pixel of tile #1 would be:
+
+ $t->{palette}->[ $t->sprite(1)->[31*32 + 15] ]->[2]
+
+=cut
+
+sub tile {
+ my $self = shift;
+ my ($id) = @_;
+
+ my $tile = $self->{map}->[$id];
+ my $minitiles = $self->{tileref}->[$tile] || [];
+ return {
+ id => $tile,
+ group => $self->{group}->[$id >> 4],
+# subtype => [ map { $self->{minitype}->[$_] } @$minitiles ],
+ subtype => [ map { $self->{minitype}->[$_] } $tile*16 .. $tile*16+15 ],
+ subcol => [ map { $self->col($_ >> 1) } @$minitiles ],
+# sprite => $self->sprite($tile),
+ };
+}
+
+sub tileavg {
+ my $self = shift;
+ my $tile = $self->tile(shift);
+
+ my $info = $tile->{group};
+ $info->{walk} = sum(@{ $tile->{subtype} }) >> 4;
+ my @rgb;
+ for my $subcol (@{ $tile->{subcol} }) {
+ $rgb[$_] += $subcol->[$_] for 0 .. 2;
+ }
+ $info->{col} = [ map {$_ >> 4} @rgb ];
+ return $info;
+}
+
+=head2 tile
+
+Tile details. For example a water tile:
+
+ $t->tile(96)
+
+would give:
+
+ group => {
+ walk => 0,
+ height => 0,
+ build => 128,
+ },
+ subtype => [ 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1 ],
+ subcol => [
+ [39,40,59], [38,39,57], [40,41,60], [36,37,55],
+ [37,38,56], [39,40,60], [38,39,57], [40,41,61],
+ [37,38,56], [41,41,61], [40,40,60], [36,36,54],
+ [36,36,54], [37,37,55], [35,35,53], [38,38,57]
+ ],
+
+=cut
+
sub readgroups {
my $self = shift;
my ($fh) = @_;
- my $id = 0;
+
+ # cv5 = tile groups
my @tilemap;
while (defined (my $line = $self->_read($fh, 52))) {
my @data = unpack "vCC v24", $line;
my %row = (
build => $data[1] & 0xF0,
height => $data[2] & 0xF,
- walk => undef,
+# rawdata => [@data[0..10]],
);
- $self->{group}->[$id] = \%row;
- push @tilemap, $_ for @data[11..26];
- $id++;
+ push @{ $self->{group} }, \%row;
+ push @{ $self->{map} }, $_ for @data[11..26];
}
- $self->{tile} = \@tilemap;
return;
# index (ground_height unknown4 buildable unknown3) u6 u7 u8 u9 u10 u11 u12 u13
# 1 (ground_height unknown4 buildable unknown3) 35 0 doodad_group 0 58 6 6 0
git.shiar.nl / perl / schtarr.git / blobdiff