| 1 |
=head1 NAME |
| 2 |
|
| 3 |
Crossfire - Crossfire maphandling |
| 4 |
|
| 5 |
=cut |
| 6 |
|
| 7 |
package Crossfire; |
| 8 |
|
| 9 |
our $VERSION = '0.1'; |
| 10 |
|
| 11 |
use strict; |
| 12 |
|
| 13 |
use Storable; |
| 14 |
|
| 15 |
our $LIB = $ENV{CROSSFIRE_LIBDIR} |
| 16 |
or die "\$CROSSFIRE_LIBDIR must be set\n"; |
| 17 |
|
| 18 |
sub T (){ 32 } |
| 19 |
|
| 20 |
our $ARCH; |
| 21 |
our $TILE; |
| 22 |
|
| 23 |
sub read_pak($;$) { |
| 24 |
my ($path, $cache) = @_; |
| 25 |
|
| 26 |
eval { |
| 27 |
defined $cache |
| 28 |
&& -M $cache < -M $path |
| 29 |
&& Storable::retrieve $cache |
| 30 |
} 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 |
Storable::nstore \%pak, $cache |
| 42 |
if defined $cache; |
| 43 |
|
| 44 |
\%pak |
| 45 |
} |
| 46 |
} |
| 47 |
|
| 48 |
sub read_arch($;$) { |
| 49 |
my ($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 |
|
| 62 |
my $parse_block; $parse_block = sub { |
| 63 |
my %arc = @_; |
| 64 |
|
| 65 |
while (<$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 $arc{_name}"; |
| 87 |
} |
| 88 |
} |
| 89 |
|
| 90 |
\%arc |
| 91 |
}; |
| 92 |
|
| 93 |
while (<$fh>) { |
| 94 |
s/\s+$//; |
| 95 |
if (/^more$/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 |
} |
| 106 |
$prev = $arc; |
| 107 |
$more = undef; |
| 108 |
} elsif (/^arch (\S+)$/i) { |
| 109 |
push @{ $arc{arch} }, $parse_block->(_name => $1); |
| 110 |
} elsif (/^\s*($|#)/) { |
| 111 |
# |
| 112 |
} else { |
| 113 |
warn "$path: unparseable top-level line '$_'"; |
| 114 |
} |
| 115 |
} |
| 116 |
|
| 117 |
undef $parse_block; # work around bug in perl not freeing $fh etc. |
| 118 |
|
| 119 |
Storable::nstore \%arc, $cache |
| 120 |
if defined $cache; |
| 121 |
|
| 122 |
\%arc |
| 123 |
} |
| 124 |
} |
| 125 |
|
| 126 |
sub arch2map($;$) { |
| 127 |
my ($mapa) = @_; |
| 128 |
|
| 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} = $mapy; |
| 156 |
|
| 157 |
\%meta |
| 158 |
} |
| 159 |
|
| 160 |
sub init($) { |
| 161 |
my ($cachedir) = @_; |
| 162 |
|
| 163 |
$ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst"; |
| 164 |
$TILE = read_pak "$LIB/crossfire.0", "$cachedir/crossfire.0.pst"; |
| 165 |
} |
| 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 |
|
| 177 |
1 |
