gat_to_fld.pl.svn-base
上传用户:market2
上传日期:2018-11-18
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文件大小:2k
- #!/usr/bin/perl
- # See http://www.openkore.com/wiki/index.php/Field_file_format
- # for information about the file formats.
- use strict;
- my $i = 0;
- foreach my $name (sort(listMaps("."))) {
- $i++;
- print "$it$namen";
- gat2fld("$name.gat", "$name.fld", readWaterLevel("$name.rsw"));
- }
- sub listMaps {
- my ($dir) = @_;
- my $handle;
- opendir($handle, $dir);
- my @list = grep { /.gat$/i && -f $_ } readdir $handle;
- closedir $handle;
- foreach my $file (@list) {
- $file =~ s/.gat$//i;
- }
- return @list;
- }
- ##
- # float readWaterLevel(String rswFile)
- #
- # Read the map's water level from the corresponding RSW file.
- sub readWaterLevel {
- my ($rswFile) = @_;
- my ($f, $buf);
- if (!open($f, "<", $rswFile)) {
- print "Cannot open $rswFile for reading.n";
- exit 1;
- }
- seek $f, 166, 0;
- read $f, $buf, 4;
- close $f;
- return unpack("f", $buf);
- }
- ##
- # void gat2fld(String gat, String fld, float waterLevel)
- #
- # Convert a .GAT file to the specifid .FLD file.
- sub gat2fld {
- my ($gat, $fld, $waterLevel) = @_;
- my ($in, $out, $data);
- if (!open $in, "<", $gat) {
- print "Cannot open $gat for reading.n";
- exit 1;
- }
- if (!open $out, ">", $fld) {
- print "Cannot open $fld for writing.n";
- exit 1;
- }
- binmode $in;
- binmode $out;
- # Read header. Yes we're assuming that maps are never
- # larger than 2^16-1 blocks.
- read($in, $data, 14);
- print $out pack("v", unpack("V", substr($data, 6, 4)));
- print $out pack("v", unpack("V", substr($data, 10, 4)));
- while (read($in, $data, 20)) {
- my ($a, $b, $c, $d) = unpack("f4", $data);
- my $type = unpack("C", substr($data, 16, 1));
- my $averageDepth = ($a + $b + $c + $d) / 4;
- # In contrast to what the if-condition tells you,
- # we're actually checking whether this block
- # is below the map's water level.
- if ($averageDepth > $waterLevel) {
- # Block is below water level.
- if ($type == 0 || $type == 3) {
- # Walkable water
- print $out pack("C", 3);
- } elsif ($type == 1 || $type == 6) {
- # Non-walkable water (not snipable)
- print $out pack("C", 2);
- } elsif ($type == 5) {
- # Non-walkable water (snipable)
- print $out pack("C", 4);
- } else {
- # Unknown
- print $out pack("C", 7);
- }
- } else {
- # Block is above water level
- if ($type < 7) {
- print $out pack("C", $type);
- } else {
- print $out pack("C", 7);
- }
- }
- }
- close $in;
- close $out;
- }