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=head1 NAME |
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|
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Crossfire - Crossfire maphandling |
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|
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=cut |
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|
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package Crossfire; |
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|
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our $VERSION = '0.1'; |
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|
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use strict; |
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|
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use base 'Exporter'; |
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|
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use Storable; |
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|
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our @EXPORT = qw(read_pak read_arch arch2map $ARCH TILESIZE); |
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|
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our $LIB = $ENV{CROSSFIRE_LIBDIR} |
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or die "\$CROSSFIRE_LIBDIR must be set\n"; |
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|
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sub TILESIZE (){ 32 } |
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|
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our $ARCH; |
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|
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sub read_pak($;$) { |
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my ($path, $cache) = @_; |
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|
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eval { |
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defined $cache |
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&& -M $cache < -M $path |
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&& Storable::retrieve $cache |
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} or do { |
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my %pak; |
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|
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open my $fh, "<:raw", $path |
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or die "$_[0]: $!"; |
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while (<$fh>) { |
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my ($type, $id, $len, $path) = split; |
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$path =~ s/.*\///; |
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read $fh, $pak{$path}, $len; |
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} |
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|
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Storable::nstore \%pak, $cache |
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if defined $cache; |
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|
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\%pak |
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} |
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} |
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|
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sub read_arch($;$) { |
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my ($path, $cache) = @_; |
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|
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eval { |
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defined $cache |
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&& -M $cache < -M $path |
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&& Storable::retrieve $cache |
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} or do { |
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my %arc; |
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my ($more, $prev); |
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|
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open my $fh, "<:raw", $path |
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or die "$path: $!"; |
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|
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my $parse_block; $parse_block = sub { |
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my %arc = @_; |
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|
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while (<$fh>) { |
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s/\s+$//; |
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if (/^end$/i) { |
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last; |
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} elsif (/^arch (\S+)$/) { |
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push @{ $arc{inventory} }, $parse_block->(_name => $1); |
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} elsif (/^lore$/) { |
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while (<$fh>) { |
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last if /^endlore\s*$/i; |
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$arc{lore} .= $_; |
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} |
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} elsif (/^msg$/) { |
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while (<$fh>) { |
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last if /^endmsg\s*$/i; |
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$arc{msg} .= $_; |
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} |
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} elsif (/^(\S+)\s*(.*)$/) { |
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$arc{lc $1} = $2; |
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} elsif (/^\s*($|#)/) { |
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# |
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} else { |
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warn "$path: unparsable line '$_' in arch $arc{_name}"; |
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} |
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} |
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|
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\%arc |
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}; |
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|
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while (<$fh>) { |
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s/\s+$//; |
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if (/^more$/i) { |
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$more = $prev; |
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} elsif (/^object (\S+)$/i) { |
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my $name = $1; |
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my $arc = $parse_block->(_name => $name); |
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|
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if ($more) { |
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$more->{more} = $arc; |
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} else { |
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$arc{$name} = $arc; |
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} |
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$prev = $arc; |
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$more = undef; |
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} elsif (/^arch (\S+)$/i) { |
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push @{ $arc{arch} }, $parse_block->(_name => $1); |
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} elsif (/^\s*($|#)/) { |
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# |
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} else { |
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warn "$path: unparseable top-level line '$_'"; |
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} |
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} |
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|
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undef $parse_block; # work around bug in perl not freeing $fh etc. |
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|
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Storable::nstore \%arc, $cache |
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if defined $cache; |
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|
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\%arc |
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} |
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} |
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|
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sub arch2map($;$) { |
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my ($mapa) = @_; |
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|
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my %meta; |
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|
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my ($mapx, $mapy); |
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|
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my $map; |
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|
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for (@{ $mapa->{arch} }) { |
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my ($x, $y) = ($_->{x}, $_->{y}); |
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|
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if ($_->{_name} eq "map") { |
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$meta{info} = $_; |
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|
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$mapx = $_->{width} || $x; |
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$mapy = $_->{height} || $y; |
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} else { |
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push @{ $map->[$x][$y] }, $_; |
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|
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# arch map is unreliable w.r.t. width and height |
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$mapx = $x + 1 if $mapx <= $x; |
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$mapy = $y + 1 if $mapy <= $y; |
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#$mapx = $a->{x} + 1, warn "$mapname: arch '$a->{_name}' outside map width at ($a->{x}|$a->{y})\n" if $mapx <= $a->{x}; |
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#$mapy = $a->{y} + 1, warn "$mapname: arch '$a->{_name}' outside map height at ($a->{x}|$a->{y})\n" if $mapy <= $a->{y}; |
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} |
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} |
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|
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$meta{width} = $mapx; |
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$meta{height} = $mapy; |
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$meta{map} = $map; |
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|
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\%meta |
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} |
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|
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sub init($) { |
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my ($cachedir) = @_; |
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|
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$ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst"; |
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} |
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|
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=head1 AUTHOR |
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|
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Marc Lehmann <schmorp@schmorp.de> |
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http://home.schmorp.de/ |
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|
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Robin Redeker <elmex@ta-sa.org> |
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http://www.ta-sa.org/ |
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|
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=cut |
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|
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1 |
