deliantra/Deliantra/Deliantra.pm

=head1 NAME

Crossfire - Crossfire maphandling

=cut

package Crossfire;

our $VERSION = '0.1';

use strict;

use Storable;
use List::Util qw(max);

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