| 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 base 'Exporter'; |
| 14 |
|
| 15 |
use Carp (); |
| 16 |
use Storable; |
| 17 |
|
| 18 |
#XXX: The map_* procedures scream for a map-object |
| 19 |
|
| 20 |
our @EXPORT = |
| 21 |
qw(read_pak read_arch $ARCH TILESIZE editor_archs |
| 22 |
arch_extends |
| 23 |
map_get_tile_stack map_push_tile_stack map_pop_tile_stack |
| 24 |
); |
| 25 |
|
| 26 |
our $LIB = $ENV{CROSSFIRE_LIBDIR} |
| 27 |
or Carp::croak "\$CROSSFIRE_LIBDIR must be set\n"; |
| 28 |
|
| 29 |
sub TILESIZE (){ 32 } |
| 30 |
|
| 31 |
our $ARCH; |
| 32 |
|
| 33 |
our %FIELD_MULTILINE = ( |
| 34 |
msg => "endmsg", |
| 35 |
); |
| 36 |
|
| 37 |
# not used yet, maybe alphabetical is ok |
| 38 |
our @FIELD_ORDER = (qw(name name_pl)); |
| 39 |
|
| 40 |
# not used yet, AND NOT CHECKED, should also be BY TYPE |
| 41 |
our %FIELD_NORMALIZE = ( |
| 42 |
"enter_x" => "hp", |
| 43 |
"enter_y" => "sp", |
| 44 |
); |
| 45 |
|
| 46 |
sub read_pak($;$) { |
| 47 |
my ($path, $cache) = @_; |
| 48 |
|
| 49 |
eval { |
| 50 |
defined $cache |
| 51 |
&& -M $cache < -M $path |
| 52 |
&& Storable::retrieve $cache |
| 53 |
} or do { |
| 54 |
my %pak; |
| 55 |
|
| 56 |
open my $fh, "<:raw", $path |
| 57 |
or Carp::croak "$_[0]: $!"; |
| 58 |
while (<$fh>) { |
| 59 |
my ($type, $id, $len, $path) = split; |
| 60 |
$path =~ s/.*\///; |
| 61 |
read $fh, $pak{$path}, $len; |
| 62 |
} |
| 63 |
|
| 64 |
Storable::nstore \%pak, $cache |
| 65 |
if defined $cache; |
| 66 |
|
| 67 |
\%pak |
| 68 |
} |
| 69 |
} |
| 70 |
|
| 71 |
sub read_arch($;$) { |
| 72 |
my ($path, $cache) = @_; |
| 73 |
|
| 74 |
eval { |
| 75 |
defined $cache |
| 76 |
&& -M $cache < -M $path |
| 77 |
&& Storable::retrieve $cache |
| 78 |
} or do { |
| 79 |
my %arc; |
| 80 |
my ($more, $prev); |
| 81 |
|
| 82 |
open my $fh, "<:raw", $path |
| 83 |
or Carp::croak "$path: $!"; |
| 84 |
|
| 85 |
my $parse_block; $parse_block = sub { |
| 86 |
my %arc = @_; |
| 87 |
|
| 88 |
while (<$fh>) { |
| 89 |
s/\s+$//; |
| 90 |
if (/^end$/i) { |
| 91 |
last; |
| 92 |
} elsif (/^arch (\S+)$/) { |
| 93 |
push @{ $arc{inventory} }, $parse_block->(_name => $1); |
| 94 |
} elsif (/^lore$/) { |
| 95 |
while (<$fh>) { |
| 96 |
last if /^endlore\s*$/i; |
| 97 |
$arc{lore} .= $_; |
| 98 |
} |
| 99 |
} elsif (/^msg$/) { |
| 100 |
while (<$fh>) { |
| 101 |
last if /^endmsg\s*$/i; |
| 102 |
$arc{msg} .= $_; |
| 103 |
} |
| 104 |
} elsif (/^(\S+)\s*(.*)$/) { |
| 105 |
$arc{lc $1} = $2; |
| 106 |
} elsif (/^\s*($|#)/) { |
| 107 |
# |
| 108 |
} else { |
| 109 |
warn "$path: unparsable line '$_' in arch $arc{_name}"; |
| 110 |
} |
| 111 |
} |
| 112 |
|
| 113 |
\%arc |
| 114 |
}; |
| 115 |
|
| 116 |
while (<$fh>) { |
| 117 |
s/\s+$//; |
| 118 |
if (/^more$/i) { |
| 119 |
$more = $prev; |
| 120 |
} elsif (/^object (\S+)$/i) { |
| 121 |
my $name = $1; |
| 122 |
my $arc = $parse_block->(_name => $name); |
| 123 |
|
| 124 |
if ($more) { |
| 125 |
$more->{more} = $arc; |
| 126 |
} else { |
| 127 |
$arc{$name} = $arc; |
| 128 |
} |
| 129 |
$prev = $arc; |
| 130 |
$more = undef; |
| 131 |
} elsif (/^arch (\S+)$/i) { |
| 132 |
push @{ $arc{arch} }, $parse_block->(_name => $1); |
| 133 |
} elsif (/^\s*($|#)/) { |
| 134 |
# |
| 135 |
} else { |
| 136 |
warn "$path: unparseable top-level line '$_'"; |
| 137 |
} |
| 138 |
} |
| 139 |
|
| 140 |
undef $parse_block; # work around bug in perl not freeing $fh etc. |
| 141 |
|
| 142 |
Storable::nstore \%arc, $cache |
| 143 |
if defined $cache; |
| 144 |
|
| 145 |
\%arc |
| 146 |
} |
| 147 |
} |
| 148 |
|
| 149 |
# returns the arch/object stack from a tile on a map |
| 150 |
sub map_get_tile_stack { |
| 151 |
my ($map, $x, $y) = @_; |
| 152 |
my $as; |
| 153 |
|
| 154 |
if ($x > 0 || $x < $map->{width} |
| 155 |
|| $y > 0 || $y < $map->{height}) { |
| 156 |
|
| 157 |
$as = $map->{map}{map}[$x][$y] || []; |
| 158 |
} |
| 159 |
|
| 160 |
return $as; |
| 161 |
} |
| 162 |
|
| 163 |
# pop the topmost arch/object from the stack of a tile on a map |
| 164 |
sub map_pop_tile_stack { |
| 165 |
my ($map, $x, $y) = @_; |
| 166 |
|
| 167 |
if ($x > 0 || $x < $map->{width} |
| 168 |
|| $y > 0 || $y < $map->{height}) { |
| 169 |
|
| 170 |
pop @{$map->{map}{map}[$x][$y]}; |
| 171 |
} |
| 172 |
} |
| 173 |
|
| 174 |
# pushes the arch/object on the stack of a tile on a map |
| 175 |
sub map_push_tile_stack { |
| 176 |
my ($map, $x, $y, $arch) = @_; |
| 177 |
|
| 178 |
if ($x > 0 || $x < $map->{width} |
| 179 |
|| $y > 0 || $y < $map->{height}) { |
| 180 |
|
| 181 |
push @{$map->{map}{map}[$x][$y]}, $arch; |
| 182 |
} |
| 183 |
} |
| 184 |
|
| 185 |
|
| 186 |
# put all archs into a hash with editor_face as it's key |
| 187 |
# NOTE: the arrays in the hash values are references to |
| 188 |
# the archs from $ARCH |
| 189 |
sub editor_archs { |
| 190 |
my %paths; |
| 191 |
|
| 192 |
for (keys %$ARCH) { |
| 193 |
my $arch = $ARCH->{$_}; |
| 194 |
push @{$paths{$arch->{editor_folder}}}, \$arch; |
| 195 |
} |
| 196 |
|
| 197 |
return \%paths; |
| 198 |
} |
| 199 |
|
| 200 |
# arch_extends determines how the arch looks like on the map, |
| 201 |
# bigfaces, linked faces and single faces are handled here |
| 202 |
# it returns (<xoffset>, <yoffset>, <width>, <height>) |
| 203 |
# NOTE: non rectangular linked faces are not considered |
| 204 |
sub arch_extends { |
| 205 |
my ($a) = @_; |
| 206 |
|
| 207 |
my $TC = \%Crossfire::Tilecache::TILECACHE; |
| 208 |
|
| 209 |
my $facename = |
| 210 |
$a->{face} || $ARCH->{$a->{_name}}->{face} |
| 211 |
or return (); |
| 212 |
|
| 213 |
my $tile = $TC->{$facename} |
| 214 |
or (warn "no gfx found for arch '$facename' in arch_size ()"), return; |
| 215 |
|
| 216 |
if ($tile->{w} > 1 || $tile->{h} > 1) { |
| 217 |
# bigfaces |
| 218 |
return (0, 0, $tile->{w}, $tile->{h}); |
| 219 |
|
| 220 |
} elsif ($a->{more}) { |
| 221 |
# linked faces |
| 222 |
my ($miw, $mih, $maw, $mah) = (0, 0, 0, 0); |
| 223 |
do { |
| 224 |
$miw > (0 + $a->{x}) and $miw = $a->{x}; |
| 225 |
$mih > (0 + $a->{y}) and $mih = $a->{y}; |
| 226 |
$maw < (0 + $a->{x}) and $maw = $a->{x}; |
| 227 |
$mah < (0 + $a->{y}) and $mah = $a->{y}; |
| 228 |
} while $a = $a->{more}; |
| 229 |
|
| 230 |
return ($miw, $mih, ($maw - $miw) + 1, ($mah - $mih) + 1) |
| 231 |
|
| 232 |
} else { |
| 233 |
# single face |
| 234 |
return (0, 0, 1, 1); |
| 235 |
} |
| 236 |
} |
| 237 |
|
| 238 |
sub init($) { |
| 239 |
my ($cachedir) = @_; |
| 240 |
|
| 241 |
$ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst"; |
| 242 |
} |
| 243 |
|
| 244 |
=head1 AUTHOR |
| 245 |
|
| 246 |
Marc Lehmann <schmorp@schmorp.de> |
| 247 |
http://home.schmorp.de/ |
| 248 |
|
| 249 |
Robin Redeker <elmex@ta-sa.org> |
| 250 |
http://www.ta-sa.org/ |
| 251 |
|
| 252 |
=cut |
| 253 |
|
| 254 |
1 |
