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#!/opt/perl/bin/perl |
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use Cwd; |
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use Math::VectorReal; |
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use File::Spec::Functions; |
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use strict; |
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$Math::VectorReal::FORMAT = "x=\"%1.3f\" y=\"%1.3f\" z=\"%1.3f\""; |
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|
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sub slurp { open FO, $_[0] or die "Couldn't open $_[0]: $!"; return join '', <FO> } |
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|
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sub read_scene_cfg { |
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my ($file) = @_; |
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|
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my $cfg = {}; |
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eval { |
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my $cont = slurp ($file); |
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|
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for (split /\n/, $cont) { |
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|
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if (m/dir\s*=\s*(\d+)\s*-\s*(\d+)/) { |
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for ($1..$2) { push @{$cfg->{dir}}, $_ } |
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|
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} elsif (m/dir\s*=\s*(\d+)/) { |
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push @{$cfg->{dir}}, $1; |
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|
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} elsif (m/(\S+)\s*=\s*(.*)/) { |
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$cfg->{$1} = $2; |
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} |
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} |
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}; |
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if ($@) { warn "Couldn't read $file\n" } |
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|
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$cfg->{w} ||= 32; |
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$cfg->{h} ||= 32; |
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$cfg->{height} ||= 100; |
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$cfg->{dir} ||= [5]; |
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|
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return $cfg; |
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} |
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|
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sub add { |
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my ($x, $y, $z, $up, $r, $move_vec) = @_; |
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|
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$move_vec ||= vector (0, 0, 0); |
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|
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my $v = vector ($x, $y, $z); |
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$v = $v + (0.5 * $z * $up); |
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$v = $v + (0.25 * $z * $r); |
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$v = $v + $move_vec; |
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|
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"p $v" |
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} |
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|
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sub new_cam { |
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my ($cont, $dir_n, $cfg, $outfile) = @_; |
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my ($x, $y) = ($cfg->{height} / 2, $cfg->{height} / 2); |
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|
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my ($w, $h) = ($cfg->{w}, $cfg->{h} || $cfg->{w}); |
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|
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my $to = vector (0, 0, 0); |
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my $from = vector (0, 0, $cfg->{height}); |
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|
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my $dir = ($from - $to)->norm; |
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|
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my $up; |
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my $r; |
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|
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if ($dir_n == 0 || $dir_n == 1) { |
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#$r = vector (-1, 0, 0)->norm; |
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$up = vector (0, 1, 0)->norm; |
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} elsif ($dir_n == 2) { |
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$up = vector (-1, 1, 0)->norm; |
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} elsif ($dir_n == 3) { |
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$up = vector (-1, 0, 0)->norm; |
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} elsif ($dir_n == 4) { |
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$up = vector (-1, -1, 0)->norm; |
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} elsif ($dir_n == 5) { |
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$up = vector (0, -1, 0)->norm; |
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} elsif ($dir_n == 6) { |
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$up = vector (1, -1, 0)->norm; |
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} elsif ($dir_n == 7) { |
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$up = vector (1, 0, 0)->norm; |
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} elsif ($dir_n == 8) { |
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$up = vector (1, 1, 0)->norm; |
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} |
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|
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$r = ($up x $dir)->norm; |
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|
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my $upv = $up; |
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$up = $from + $up; |
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|
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my $m = vector (0, 0, 0); |
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|
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if ($cfg->{xoffs} || $cfg->{yoffs}) { |
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$m = ($cfg->{xoffs} || 0) * $r + ($cfg->{yoffs} || 0) * $upv; |
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} |
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|
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$cont =~ s/p\s*x="([^"]+)"\s*y="([^"]+)"\s*z="([^"]+)"/add ($1, $2, $3, $upv, $r, $m)/egs; |
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|
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my $light = ($r + vector (0, 0, 0.7) + -$upv)->norm; # x="0" y="1" z="0.5"/> |
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my $backlight = (-$r + vector (0, 0, 0.7) + $upv)->norm; |
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|
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my $cam = <<CAM; |
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<light type="sunlight" name="w_Infinite2" power="0.3" cast_shadows="off"> |
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<from $backlight/> |
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<color r="1.0" g="1.0" b="1.0"/> |
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</light> |
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|
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<light type="sunlight" name="w_Infinite" power="1" cast_shadows="off"> |
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<from $light/> |
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<color r="0.7" g="0.7" b="0.7"/> |
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</light> |
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|
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<!-- Section Background, Camera, Filter and Render --> |
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|
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<camera name="x_Camera" resx="$w" resy="$h" focal="10" type="ortho"> |
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<to $to/> |
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<from $from/> |
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<up $up/> |
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</camera> |
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|
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<render camera_name="x_Camera" AA_passes="1" raydepth="8" |
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bias="0.1" AA_threshold="0" |
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AA_minsamples="64" AA_pixelwidth="1.25" |
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AA_jitterfirst="off" clamp_rgb="on"> |
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<outfile value="$outfile"/> |
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<exposure value="1.4142135624"/> |
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<save_alpha value="on"/> |
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<gamma value="1"/> |
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</render> |
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CAM |
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|
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($cont, $cam) |
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} |
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|
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sub render_dir { |
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my ($cont, $dir, $cfg, $outfile) = @_; |
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|
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my $cam; |
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($cont, $cam) = new_cam ($cont, $dir, $cfg, $outfile); |
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|
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$cont =~ s#<light.*<\/scene>#$cam."<\/scene>"#es; |
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|
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$cont |
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} |
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|
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my $xml = $ARGV[0] or die "render <xml>\n"; |
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|
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my $outfile = $xml; |
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$outfile =~ s/\.xml$/\.tga/; |
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|
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my $xmlcont = slurp ($xml); |
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my $cfg = read_scene_cfg ($xml . ".cfg"); |
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|
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my ($vol, $dir, $file) = File::Spec->splitpath($xml); |
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|
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$file =~ m/^(.*?)\.xml/; |
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my $filebase = $1 || $file; |
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|
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for (@{$cfg->{dir}}) { |
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my $ofile = File::Spec->catpath ($vol, $dir, "${filebase}_dir_${_}.tga"); |
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my $oxfile = File::Spec->catpath ($vol, $dir, "${filebase}_rend_${_}.xml"); |
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|
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my $nc = render_dir ($xmlcont, $_, $cfg, "${filebase}_dir_${_}.tga"); |
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open OUT, ">$oxfile" |
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or die "Couldn't write '$nc': $!"; |
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print OUT $nc; |
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close OUT; |
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my $cwd = getcwd; |
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if ($dir) { |
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system ("cd $dir; yafray ${filebase}_rend_${_}.xml > yafray_out.log"); |
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} else { |
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system ("yafray ${filebase}_rend_${_}.xml > yafray_out.log"); |
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} |
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unlink $oxfile; |
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print "rendered $ofile\n"; |
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} |
