deliantra/Deliantra/Deliantra.pm

=head1 NAME

Crossfire - Crossfire maphandling

=cut

package Crossfire;

our $VERSION = '0.1';

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