deliantra/Deliantra/Deliantra.pm

=head1 NAME

Crossfire - Crossfire maphandling

=cut

package Crossfire;

our $VERSION = '0.1';
use base 'Exporter';
our @EXPORT = qw(read_pak read_arch arch2map);

use strict;

use Storable;

our $LIB = $ENV{CROSSFIRE_LIBDIR}
   or die "\$CROSSFIRE_LIBDIR must be set\n";

sub T (){ 32 }

our $ARCH;
our $TILE;

sub read_pak($;$) {
   my ($path, $cache) = @_;

   eval {
      defined $cache
      && -M $cache < -M $path
      && Storable::retrieve $cache
   } or do {
      my %pak;

      open my $fh, "<:raw", $path
         or die "$_[0]: $!";
      while (<$fh>) {
         my ($type, $id, $len, $path) = split;
         $path =~ s/.*\///;
         read $fh, $pak{$path}, $len;
      }

      Storable::nstore \%pak, $cache
         if defined $cache;

      \%pak
   }
}

sub read_arch($;$) {
   my ($path, $cache) = @_;

   eval {
      defined $cache
      && -M $cache < -M $path
      && Storable::retrieve $cache
   } or do {
      my %arc;
      my ($more, $prev);

      open my $fh, "<:raw", $path
         or die "$path: $!";

      my $parse_block; $parse_block = sub {
         my %arc = @_;

         while (<$fh>) {
            s/\s+$//;
            if (/^end$/i) {
               last;
            } elsif (/^arch (\S+)$/) {
               push @{ $arc{inventory} }, $parse_block->(_name => $1);
            } elsif (/^lore$/) {
               while (<$fh>) {
                  last if /^endlore\s*$/i;
                  $arc{lore} .= $_;
               }
            } elsif (/^msg$/) {
               while (<$fh>) {
                  last if /^endmsg\s*$/i;
                  $arc{msg} .= $_;
               }
            } elsif (/^(\S+)\s*(.*)$/) {
               $arc{lc $1} = $2;
            } elsif (/^\s*($|#)/) {
               #
            } else {
               warn "$path: unparsable line '$_' in arch $arc{_name}";
            }
         }

         \%arc
      };

      while (<$fh>) {
         s/\s+$//;
         if (/^more$/i) {
            $more = $prev;
         } elsif (/^object (\S+)$/i) {
            my $name = $1;
            my $arc = $parse_block->(_name => $name);

            if ($more) {
               $more->{more} = $arc;
            } else {
               $arc{$name} = $arc;
            }
            $prev = $arc;
            $more = undef;
         } elsif (/^arch (\S+)$/i) {
            push @{ $arc{arch} }, $parse_block->(_name => $1);
         } elsif (/^\s*($|#)/) {
            #
         } else {
            warn "$path: unparseable top-level line '$_'";
         }
      }

      undef $parse_block; # work around bug in perl not freeing $fh etc.

      Storable::nstore \%arc, $cache
         if defined $cache;

      \%arc
   }
}

sub arch2map($;$) {
   my ($mapa) = @_;

   my %meta;

   my ($mapx, $mapy);

   my $map;

   for (@{ $mapa->{arch} }) {
      my ($x, $y) = ($_->{x}, $_->{y});

      if ($_->{_name} eq "map") {
         $meta{info} = $_;

         $mapx = $_->{width}  || $x;
         $mapy = $_->{height} || $y;
      } else {
         push @{ $map->[$x][$y] }, $_;

         # arch map is unreliable w.r.t. width and height
         $mapx = $x + 1 if $mapx <= $x;
         $mapy = $y + 1 if $mapy <= $y;
         #$mapx = $a->{x} + 1, warn "$mapname: arch '$a->{_name}' outside map width at ($a->{x}|$a->{y})\n" if $mapx <= $a->{x};
         #$mapy = $a->{y} + 1, warn "$mapname: arch '$a->{_name}' outside map height at ($a->{x}|$a->{y})\n" if $mapy <= $a->{y};
      }
   }

   $meta{width}  = $mapx;
   $meta{height} = $mapy;

   \%meta
}

sub init($) {
   my ($cachedir) = @_;

   $ARCH = read_arch "$LIB/archetypes",  "$cachedir/archetypes.pst";
   $TILE = read_pak  "$LIB/crossfire.0", "$cachedir/crossfire.0.pst";
}

=head1 AUTHOR

 Marc Lehmann <schmorp@schmorp.de>
 http://home.schmorp.de/

 Robin Redeker <elmex@ta-sa.org>
 http://www.ta-sa.org/

=cut

1
Revision:	1.6
Committed:	Sun Feb 5 00:28:09 2006 UTC (18 years, 3 months ago) by elmex
Branch:	MAIN
Changes since 1.5:	+2 -0 lines
Log Message:	put exporter in
#	User	Rev	Content
1	elmex	1.1	=head1 NAME
2
3			Crossfire - Crossfire maphandling
4
5			=cut
6
7	root	1.4	package Crossfire;
8
9	elmex	1.3	our $VERSION = '0.1';
10	elmex	1.6	use base 'Exporter';
11			our @EXPORT = qw(read_pak read_arch arch2map);
12	elmex	1.1
13			use strict;
14
15			use Storable;
16
17	root	1.4	our $LIB = $ENV{CROSSFIRE_LIBDIR}
18	elmex	1.1	or die "\$CROSSFIRE_LIBDIR must be set\n";
19
20	root	1.4	sub T (){ 32 }
21	elmex	1.1
22	root	1.4	our $ARCH;
23			our $TILE;
24	elmex	1.1
25	root	1.4	sub read_pak($;$) {
26			my ($path, $cache) = @_;
27	elmex	1.1
28			eval {
29	root	1.4	defined $cache
30			&& -M $cache < -M $path
31			&& Storable::retrieve $cache
32	elmex	1.1	} or do {
33			my %pak;
34
35			open my $fh, "<:raw", $path
36			or die "$_[0]: $!";
37			while (<$fh>) {
38			my ($type, $id, $len, $path) = split;
39			$path =~ s/.*\///;
40			read $fh, $pak{$path}, $len;
41			}
42
43	root	1.4	Storable::nstore \%pak, $cache
44			if defined $cache;
45	elmex	1.1
46			\%pak
47			}
48			}
49
50			sub read_arch($;$) {
51	root	1.4	my ($path, $cache) = @_;
52
53			eval {
54			defined $cache
55			&& -M $cache < -M $path
56			&& Storable::retrieve $cache
57			} or do {
58			my %arc;
59			my ($more, $prev);
60
61			open my $fh, "<:raw", $path
62			or die "$path: $!";
63	elmex	1.1
64	root	1.4	my $parse_block; $parse_block = sub {
65			my %arc = @_;
66	elmex	1.2
67	root	1.4	while (<$fh>) {
68			s/\s+$//;
69			if (/^end$/i) {
70			last;
71			} elsif (/^arch (\S+)$/) {
72			push @{ $arc{inventory} }, $parse_block->(_name => $1);
73			} elsif (/^lore$/) {
74			while (<$fh>) {
75			last if /^endlore\s*$/i;
76			$arc{lore} .= $_;
77			}
78			} elsif (/^msg$/) {
79			while (<$fh>) {
80			last if /^endmsg\s*$/i;
81			$arc{msg} .= $_;
82			}
83			} elsif (/^(\S+)\s(.)$/) {
84			$arc{lc $1} = $2;
85			} elsif (/^\s*($\|#)/) {
86			#
87			} else {
88			warn "$path: unparsable line '$_' in arch $arc{_name}";
89			}
90			}
91	elmex	1.1
92	root	1.4	\%arc
93			};
94	elmex	1.1
95			while (<$fh>) {
96			s/\s+$//;
97	root	1.4	if (/^more$/i) {
98			$more = $prev;
99			} elsif (/^object (\S+)$/i) {
100			my $name = $1;
101			my $arc = $parse_block->(_name => $name);
102
103			if ($more) {
104			$more->{more} = $arc;
105			} else {
106			$arc{$name} = $arc;
107	elmex	1.1	}
108	root	1.4	$prev = $arc;
109			$more = undef;
110			} elsif (/^arch (\S+)$/i) {
111			push @{ $arc{arch} }, $parse_block->(_name => $1);
112	elmex	1.1	} elsif (/^\s*($\|#)/) {
113			#
114			} else {
115	root	1.4	warn "$path: unparseable top-level line '$_'";
116	elmex	1.1	}
117			}
118
119	root	1.4	undef $parse_block; # work around bug in perl not freeing $fh etc.
120	elmex	1.2
121	root	1.4	Storable::nstore \%arc, $cache
122			if defined $cache;
123	elmex	1.1
124	root	1.4	\%arc
125	elmex	1.2	}
126	elmex	1.1	}
127
128	root	1.4	sub arch2map($;$) {
129			my ($mapa) = @_;
130	elmex	1.1
131			my %meta;
132
133			my ($mapx, $mapy);
134
135			my $map;
136
137			for (@{ $mapa->{arch} }) {
138			my ($x, $y) = ($_->{x}, $_->{y});
139
140			if ($_->{_name} eq "map") {
141			$meta{info} = $_;
142
143			$mapx = $_->{width} \|\| $x;
144			$mapy = $_->{height} \|\| $y;
145			} else {
146			push @{ $map->[$x][$y] }, $_;
147
148			# arch map is unreliable w.r.t. width and height
149			$mapx = $x + 1 if $mapx <= $x;
150			$mapy = $y + 1 if $mapy <= $y;
151			#$mapx = $a->{x} + 1, warn "$mapname: arch '$a->{_name}' outside map width at ($a->{x}\|$a->{y})\n" if $mapx <= $a->{x};
152			#$mapy = $a->{y} + 1, warn "$mapname: arch '$a->{_name}' outside map height at ($a->{x}\|$a->{y})\n" if $mapy <= $a->{y};
153			}
154			}
155
156			$meta{width} = $mapx;
157			$meta{height} = $mapy;
158
159			\%meta
160			}
161
162	root	1.4	sub init($) {
163			my ($cachedir) = @_;
164	elmex	1.1
165	root	1.4	$ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst";
166			$TILE = read_pak "$LIB/crossfire.0", "$cachedir/crossfire.0.pst";
167	elmex	1.1	}
168
169			=head1 AUTHOR
170
171			Marc Lehmann <schmorp@schmorp.de>
172			http://home.schmorp.de/
173
174			Robin Redeker <elmex@ta-sa.org>
175			http://www.ta-sa.org/
176
177			=cut
178	root	1.4
179			1