68 lines
1.4 KiB
Perl
Executable File
68 lines
1.4 KiB
Perl
Executable File
#!/usr/bin/perl
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# SPDX-License-Identifier: MIT
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#
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# extract_q2pak - extract Quake1/Quake2 PAK files
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# written by Jan Engelhardt, 2004-2008
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use Getopt::Long;
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use strict;
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do (($0 =~ m{^(.*)/})[0] || ".")."/shared.pm" ||
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die "Could not load shared.pm: $!\n";
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my $ex_out_dir = ".";
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my $ex_archive_file = "-";
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my $ex_auto_lower = 0;
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my $ex_verbose = 0;
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Getopt::Long::Configure(qw(bundling));
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GetOptions(
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"C=s" => \$ex_out_dir,
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"L" => \$ex_auto_lower,
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"f=s" => \$ex_archive_file,
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"v" => \$ex_verbose,
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);
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&main();
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sub main ()
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{
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local(*IN, *OUT);
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my($buf, $dir, $dirofs, $dirlen);
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open(IN, "< $ex_archive_file") ||
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die "Could not open $ex_archive_file: $!\n";
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binmode IN;
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if (&getcf(\*IN, 4) ne "PACK") {
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die "Not a PAK file\n";
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}
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$dirofs = unpack("V", &getcf(\*IN, 4));
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$dirlen = unpack("V", &getcf(\*IN, 4));
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seek(IN, $dirofs, 0);
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read(IN, $dir, $dirlen);
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if ($ex_verbose) {
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print "Directory \@$dirofs: ", $dirlen / 64, " entries\n";
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}
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for (my $i = 0; $i < $dirlen; $i += 64) {
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my $dentry = substr($dir, $i, 64);
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my($nam, $ofs, $len) = unpack("Z56VV", $dentry);
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if ($ex_auto_lower && $nam !~ /[a-z]/) {
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$nam =~ tr/A-Z/a-z/;
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}
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if ($ex_verbose) {
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print "\@$ofs: $nam ($len bytes)\n";
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}
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my $abs_file = "$ex_out_dir/$nam";
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&mkdir_p_stripbase($abs_file);
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open(OUT, "> $abs_file") ||
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warn "Could not write to $abs_file: $!\n";
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binmode OUT;
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seek(IN, $ofs, 0);
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&transfer(\*OUT, \*IN, $len);
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close OUT;
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}
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}
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