deliantra/Deliantra/Deliantra.pm

=head1 NAME

Crossfire - Crossfire maphandling

=cut

package Crossfire;

our $VERSION = '0.1';

use strict;

use base 'Exporter';

use Storable;

our @EXPORT = qw(read_pak read_arch arch2map $ARCH TILESIZE);

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

sub TILESIZE (){ 32 }

our $ARCH;

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{map}    = $map;

   \%meta
}

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

   $ARCH = read_arch "$LIB/archetypes",  "$cachedir/archetypes.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:	1.8
Committed:	Sun Feb 5 02:29:13 2006 UTC (18 years, 3 months ago) by root
Branch:	MAIN
Changes since 1.7:	+1 -0 lines
Log Message:	* empty log message *
#	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	1.1
11			use strict;
12
13	root	1.7	use base 'Exporter';
14
15	elmex	1.1	use Storable;
16
17	root	1.7	our @EXPORT = qw(read_pak read_arch arch2map $ARCH TILESIZE);
18
19	root	1.4	our $LIB = $ENV{CROSSFIRE_LIBDIR}
20	elmex	1.1	or die "\$CROSSFIRE_LIBDIR must be set\n";
21
22	root	1.7	sub TILESIZE (){ 32 }
23	elmex	1.1
24	root	1.4	our $ARCH;
25	elmex	1.1
26	root	1.4	sub read_pak($;$) {
27			my ($path, $cache) = @_;
28	elmex	1.1
29			eval {
30	root	1.4	defined $cache
31			&& -M $cache < -M $path
32			&& Storable::retrieve $cache
33	elmex	1.1	} or do {
34			my %pak;
35
36			open my $fh, "<:raw", $path
37			or die "$_[0]: $!";
38			while (<$fh>) {
39			my ($type, $id, $len, $path) = split;
40			$path =~ s/.*\///;
41			read $fh, $pak{$path}, $len;
42			}
43
44	root	1.4	Storable::nstore \%pak, $cache
45			if defined $cache;
46	elmex	1.1
47			\%pak
48			}
49			}
50
51			sub read_arch($;$) {
52	root	1.4	my ($path, $cache) = @_;
53
54			eval {
55			defined $cache
56			&& -M $cache < -M $path
57			&& Storable::retrieve $cache
58			} or do {
59			my %arc;
60			my ($more, $prev);
61
62			open my $fh, "<:raw", $path
63			or die "$path: $!";
64	elmex	1.1
65	root	1.4	my $parse_block; $parse_block = sub {
66			my %arc = @_;
67	elmex	1.2
68	root	1.4	while (<$fh>) {
69			s/\s+$//;
70			if (/^end$/i) {
71			last;
72			} elsif (/^arch (\S+)$/) {
73			push @{ $arc{inventory} }, $parse_block->(_name => $1);
74			} elsif (/^lore$/) {
75			while (<$fh>) {
76			last if /^endlore\s*$/i;
77			$arc{lore} .= $_;
78			}
79			} elsif (/^msg$/) {
80			while (<$fh>) {
81			last if /^endmsg\s*$/i;
82			$arc{msg} .= $_;
83			}
84			} elsif (/^(\S+)\s(.)$/) {
85			$arc{lc $1} = $2;
86			} elsif (/^\s*($\|#)/) {
87			#
88			} else {
89			warn "$path: unparsable line '$_' in arch $arc{_name}";
90			}
91			}
92	elmex	1.1
93	root	1.4	\%arc
94			};
95	elmex	1.1
96			while (<$fh>) {
97			s/\s+$//;
98	root	1.4	if (/^more$/i) {
99			$more = $prev;
100			} elsif (/^object (\S+)$/i) {
101			my $name = $1;
102			my $arc = $parse_block->(_name => $name);
103
104			if ($more) {
105			$more->{more} = $arc;
106			} else {
107			$arc{$name} = $arc;
108	elmex	1.1	}
109	root	1.4	$prev = $arc;
110			$more = undef;
111			} elsif (/^arch (\S+)$/i) {
112			push @{ $arc{arch} }, $parse_block->(_name => $1);
113	elmex	1.1	} elsif (/^\s*($\|#)/) {
114			#
115			} else {
116	root	1.4	warn "$path: unparseable top-level line '$_'";
117	elmex	1.1	}
118			}
119
120	root	1.4	undef $parse_block; # work around bug in perl not freeing $fh etc.
121	elmex	1.2
122	root	1.4	Storable::nstore \%arc, $cache
123			if defined $cache;
124	elmex	1.1
125	root	1.4	\%arc
126	elmex	1.2	}
127	elmex	1.1	}
128
129	root	1.4	sub arch2map($;$) {
130			my ($mapa) = @_;
131	elmex	1.1
132			my %meta;
133
134			my ($mapx, $mapy);
135
136			my $map;
137
138			for (@{ $mapa->{arch} }) {
139			my ($x, $y) = ($_->{x}, $_->{y});
140
141			if ($_->{_name} eq "map") {
142			$meta{info} = $_;
143
144			$mapx = $_->{width} \|\| $x;
145			$mapy = $_->{height} \|\| $y;
146			} else {
147			push @{ $map->[$x][$y] }, $_;
148
149			# arch map is unreliable w.r.t. width and height
150			$mapx = $x + 1 if $mapx <= $x;
151			$mapy = $y + 1 if $mapy <= $y;
152			#$mapx = $a->{x} + 1, warn "$mapname: arch '$a->{_name}' outside map width at ($a->{x}\|$a->{y})\n" if $mapx <= $a->{x};
153			#$mapy = $a->{y} + 1, warn "$mapname: arch '$a->{_name}' outside map height at ($a->{x}\|$a->{y})\n" if $mapy <= $a->{y};
154			}
155			}
156
157			$meta{width} = $mapx;
158			$meta{height} = $mapy;
159	root	1.8	$meta{map} = $map;
160	elmex	1.1
161			\%meta
162			}
163
164	root	1.4	sub init($) {
165			my ($cachedir) = @_;
166	elmex	1.1
167	root	1.4	$ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst";
168	elmex	1.1	}
169
170			=head1 AUTHOR
171
172			Marc Lehmann <schmorp@schmorp.de>
173			http://home.schmorp.de/
174
175			Robin Redeker <elmex@ta-sa.org>
176			http://www.ta-sa.org/
177
178			=cut
179	root	1.4
180			1