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Revision: 1.52
Committed: Mon Mar 20 02:15:36 2006 UTC (18 years, 2 months ago) by root
Branch: MAIN
Changes since 1.51: +38 -30 lines
Log Message:
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File Contents

# Content
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 File::Spec;
17 use List::Util qw(min max);
18 use Storable;
19
20 our @EXPORT = qw(
21 read_pak read_arch *ARCH TILESIZE $TILE *FACE editor_archs arch_extents
22 );
23
24 our $LIB = $ENV{CROSSFIRE_LIBDIR};
25
26 our $VARDIR = $ENV{HOME} ? "$ENV{HOME}/.crossfire" : File::Spec->tmpdir . "/crossfire";
27
28 mkdir $VARDIR, 0777;
29
30 sub TILESIZE (){ 32 }
31
32 our %ARCH;
33 our %FACE;
34 our $TILE;
35
36 our %FIELD_MULTILINE = (
37 msg => "endmsg",
38 lore => "endlore",
39 maplore => "endmaplore",
40 );
41
42 # not used yet, maybe alphabetical is ok
43 our @FIELD_ORDER = (qw(name name_pl));
44
45 sub MOVE_WALK (){ 0x01 }
46 sub MOVE_FLY_LOW (){ 0x02 }
47 sub MOVE_FLY_HIGH (){ 0x04 }
48 sub MOVE_FLYING (){ 0x06 }
49 sub MOVE_SWIM (){ 0x08 }
50 sub MOVE_BOAT (){ 0x10 }
51 sub MOVE_ALL (){ 0xff }
52
53 sub load_ref($) {
54 my ($path) = @_;
55
56 open my $fh, "<", $path
57 or die "$path: $!";
58 binmode $fh;
59 local $/;
60
61 Storable::thaw <$fh>
62 }
63
64 sub save_ref($$) {
65 my ($ref, $path) = @_;
66
67 open my $fh, ">", "$path~"
68 or die "$path~: $!";
69 binmode $fh;
70 print $fh Storable::freeze $ref;
71 close $fh;
72 rename "$path~", $path
73 or die "$path: $!";
74 }
75
76 sub normalize_object($) {
77 my ($ob) = @_;
78
79 delete $ob->{$_} for qw(
80 can_knockback can_parry can_impale can_cut can_dam_armour
81 can_apply pass_thru can_pass_thru
82 );
83
84 for my $attr (qw(move_type move_block move_allow move_on move_off move_slow)) {
85 next unless exists $ob->{$attr};
86 next if $ob->{$attr} =~ /^\d+$/;
87
88 my $flags = 0;
89
90 # assume list
91 for my $flag (map lc, split /\s+/, $ob->{$attr}) {
92 $flags |= MOVE_WALK if $flag eq "walk";
93 $flags |= MOVE_FLY_LOW if $flag eq "fly_low";
94 $flags |= MOVE_FLY_HIGH if $flag eq "fly_high";
95 $flags |= MOVE_FLYING if $flag eq "flying";
96 $flags |= MOVE_SWIM if $flag eq "swim";
97 $flags |= MOVE_BOAT if $flag eq "boat";
98 $flags |= MOVE_ALL if $flag eq "all";
99
100 $flags &= ~MOVE_WALK if $flag eq "-walk";
101 $flags &= ~MOVE_FLY_LOW if $flag eq "-fly_low";
102 $flags &= ~MOVE_FLY_HIGH if $flag eq "-fly_high";
103 $flags &= ~MOVE_FLYING if $flag eq "-flying";
104 $flags &= ~MOVE_SWIM if $flag eq "-swim";
105 $flags &= ~MOVE_BOAT if $flag eq "-boat";
106 $flags &= ~MOVE_ALL if $flag eq "-all";
107 }
108
109 $ob->{$attr} = $flags;
110 }
111
112 if (defined (my $v = delete $ob->{no_pass})) {
113 $ob->{move_block} = $v ? MOVE_ALL : 0;
114 }
115 if (defined (my $v = delete $ob->{slow_move})) {
116 $ob->{move_slow} |= MOVE_WALK;
117 $ob->{move_slow_penalty} = $v;
118 }
119 if (defined (my $v = delete $ob->{walk_on})) {
120 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_WALK
121 : $ob->{move_on} & ~MOVE_WALK;
122 }
123 if (defined (my $v = delete $ob->{walk_off})) {
124 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_WALK
125 : $ob->{move_off} & ~MOVE_WALK;
126 }
127 if (defined (my $v = delete $ob->{fly_on})) {
128 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_FLY_LOW
129 : $ob->{move_on} & ~MOVE_FLY_LOW;
130 }
131 if (defined (my $v = delete $ob->{fly_off})) {
132 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_FLY_LOW
133 : $ob->{move_off} & ~MOVE_FLY_LOW;
134 }
135 if (defined (my $v = delete $ob->{flying})) {
136 $ob->{move_type} = $v ? $ob->{move_type} | MOVE_FLY_LOW
137 : $ob->{move_type} & ~MOVE_FLY_LOW;
138 }
139
140 $ob
141 }
142
143 sub normalize_arch($) {
144 my ($ob) = @_;
145
146 normalize_object $ob;
147
148 my $arch = $ARCH{$ob->{_name}}
149 or (warn "$ob->{_name}: no such archetype", return $ob);
150
151 if ($arch->{type} == 22) { # map
152 my %normalize = (
153 "enter_x" => "hp",
154 "enter_y" => "sp",
155 "width" => "x",
156 "height" => "y",
157 "reset_timeout" => "weight",
158 "swap_time" => "value",
159 "difficulty" => "level",
160 "darkness" => "invisible",
161 "fixed_resettime" => "stand_still",
162 );
163
164 while (my ($k2, $k1) = each %normalize) {
165 if (defined (my $v = delete $ob->{$k1})) {
166 $ob->{$k2} = $v;
167 }
168 }
169 } else {
170 # if value matches archetype default, delete
171 while (my ($k, $v) = each %$ob) {
172 if (exists $arch->{$k} and $arch->{$k} eq $v) {
173 next if $k eq "_name";
174 delete $ob->{$k};
175 }
176 }
177 }
178
179 $ob
180 }
181
182 sub read_pak($) {
183 my ($path) = @_;
184
185 my %pak;
186
187 open my $fh, "<", $path
188 or Carp::croak "$_[0]: $!";
189 binmode $fh;
190 while (<$fh>) {
191 my ($type, $id, $len, $path) = split;
192 $path =~ s/.*\///;
193 read $fh, $pak{$path}, $len;
194 }
195
196 \%pak
197 }
198
199 sub read_arch($) {
200 my ($path) = @_;
201
202 my %arc;
203 my ($more, $prev);
204
205 open my $fh, "<", $path
206 or Carp::croak "$path: $!";
207
208 binmode $fh;
209
210 my $parse_block; $parse_block = sub {
211 my %arc = @_;
212
213 while (<$fh>) {
214 s/\s+$//;
215 if (/^end$/i) {
216 last;
217 } elsif (/^arch (\S+)$/) {
218 push @{ $arc{inventory} }, normalize_arch $parse_block->(_name => $1);
219 } elsif (/^lore$/) {
220 while (<$fh>) {
221 last if /^endlore\s*$/i;
222 $arc{lore} .= $_;
223 }
224 } elsif (/^msg$/) {
225 while (<$fh>) {
226 last if /^endmsg\s*$/i;
227 $arc{msg} .= $_;
228 }
229 } elsif (/^(\S+)\s*(.*)$/) {
230 $arc{lc $1} = $2;
231 } elsif (/^\s*($|#)/) {
232 #
233 } else {
234 warn "$path: unparsable line '$_' in arch $arc{_name}";
235 }
236 }
237
238 \%arc
239 };
240
241 while (<$fh>) {
242 s/\s+$//;
243 if (/^more$/i) {
244 $more = $prev;
245 } elsif (/^object (\S+)$/i) {
246 my $name = $1;
247 my $arc = normalize_object $parse_block->(_name => $name);
248
249 if ($more) {
250 $more->{more} = $arc;
251 } else {
252 $arc{$name} = $arc;
253 }
254 $prev = $arc;
255 $more = undef;
256 } elsif (/^arch (\S+)$/i) {
257 push @{ $arc{arch} }, normalize_arch $parse_block->(_name => $1);
258 } elsif (/^\s*($|#)/) {
259 #
260 } else {
261 warn "$path: unparseable top-level line '$_'";
262 }
263 }
264
265 undef $parse_block; # work around bug in perl not freeing $fh etc.
266
267 \%arc
268 }
269
270 # put all archs into a hash with editor_face as it's key
271 # NOTE: the arrays in the hash values are references to
272 # the archs from $ARCH
273 sub editor_archs {
274 my %paths;
275
276 for (keys %ARCH) {
277 my $arch = $ARCH{$_};
278 push @{$paths{$arch->{editor_folder}}}, \$arch;
279 }
280
281 \%paths
282 }
283
284 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
285
286 arch_extents determines the extents of the given arch's face(s), linked
287 faces and single faces are handled here it returns (minx, miny, maxx,
288 maxy)
289
290 =cut
291
292 sub arch_extents {
293 my ($a) = @_;
294
295 my $o = $ARCH{$a->{_name}}
296 or return;
297
298 my $face = $FACE{$a->{face} || $o->{face} || "blank.111"}
299 or (warn "no face data found for arch '$a->{_name}'"), return;
300
301 if ($face->{w} > 1 || $face->{h} > 1) {
302 # bigface
303 return (0, 0, $face->{w} - 1, $face->{h} - 1);
304
305 } elsif ($o->{more}) {
306 # linked face
307 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
308
309 for (; $o; $o = $o->{more}) {
310 $minx = min $minx, $o->{x};
311 $miny = min $miny, $o->{y};
312 $maxx = max $maxx, $o->{x};
313 $maxy = max $maxy, $o->{y};
314 }
315
316 return ($minx, $miny, $maxx, $maxy);
317
318 } else {
319 # single face
320 return (0, 0, 0, 0);
321 }
322 }
323
324 =item $type = arch_attr $arch
325
326 Returns a hashref describing the object and its attributes. It can contain
327 the following keys:
328
329 name the name, suitable for display purposes
330 ignore
331 attr
332 desc
333 use
334 section => [name => \%attr, name => \%attr]
335 import
336
337 =cut
338
339 sub arch_attr($) {
340 my ($obj) = @_;
341
342 require Crossfire::Data;
343
344 my $root;
345 my $attr = { };
346
347 my $arch = $ARCH{ $obj->{_name} };
348 my $type = $obj->{type} || $arch->{type};
349
350 if ($type > 0) {
351 $root = $Crossfire::Data::ATTR{$type};
352 } else {
353 $root = $Crossfire::Data::TYPE{Misc};
354
355 type:
356 for (@Crossfire::Data::ATTR0) {
357 my $req = $_->{required}
358 or die "internal error: ATTR0 without 'required'";
359
360 keys %$req;
361 while (my ($k, $v) = each %$req) {
362 next type
363 unless $obj->{$k} == $v || $arch->{$k} == $v;
364 }
365
366 $root = $_;
367 }
368 }
369
370 my @import = ($root);
371
372 unshift @import, \%Crossfire::Data::DEFAULT_ATTR
373 unless $type == 116;
374
375 my (%ignore);
376 my (@section_order, %section, @attr_order);
377
378 while (my $type = shift @import) {
379 push @import, @{$type->{import} || []};
380
381 $attr->{$_} ||= $type->{$_}
382 for qw(name desc use);
383
384 for (@{$type->{ignore} || []}) {
385 $ignore{$_}++ for ref $_ ? @$_ : $_;
386 }
387
388 for ([general => ($type->{attr} || [])], @{$type->{section} || []}) {
389 my ($name, $attr) = @$_;
390 push @section_order, $name;
391 for (@$attr) {
392 my ($k, $v) = @$_;
393 push @attr_order, $k;
394 $section{$name}{$k} ||= $v;
395 }
396 }
397 }
398
399 $attr->{section} = [
400 map !exists $section{$_} ? () : do {
401 my $attr = delete $section{$_};
402
403 [
404 $_,
405 map exists $attr->{$_} && !$ignore{$_}
406 ? [$_ => delete $attr->{$_}] : (),
407 @attr_order
408 ]
409 },
410
411 exists $section{$_} ? [$_ => delete $section{$_}] : (),
412 @section_order
413 ];
414
415 $attr
416 }
417
418 sub arch_edit_sections {
419 # if (edit_type == IGUIConstants.TILE_EDIT_NONE)
420 # edit_type = 0;
421 # else if (edit_type != 0) {
422 # // all flags from 'check_type' must be unset in this arch because they get recalculated now
423 # edit_type &= ~check_type;
424 # }
425 #
426 # }
427 # if ((check_type & IGUIConstants.TILE_EDIT_MONSTER) != 0 &&
428 # getAttributeValue("alive", defarch) == 1 &&
429 # (getAttributeValue("monster", defarch) == 1 ||
430 # getAttributeValue("generator", defarch) == 1)) {
431 # // Monster: monsters/npcs/generators
432 # edit_type |= IGUIConstants.TILE_EDIT_MONSTER;
433 # }
434 # if ((check_type & IGUIConstants.TILE_EDIT_WALL) != 0 &&
435 # arch_type == 0 && getAttributeValue("no_pass", defarch) == 1) {
436 # // Walls
437 # edit_type |= IGUIConstants.TILE_EDIT_WALL;
438 # }
439 # if ((check_type & IGUIConstants.TILE_EDIT_CONNECTED) != 0 &&
440 # getAttributeValue("connected", defarch) != 0) {
441 # // Connected Objects
442 # edit_type |= IGUIConstants.TILE_EDIT_CONNECTED;
443 # }
444 # if ((check_type & IGUIConstants.TILE_EDIT_EXIT) != 0 &&
445 # arch_type == 66 || arch_type == 41 || arch_type == 95) {
446 # // Exit: teleporter/exit/trapdoors
447 # edit_type |= IGUIConstants.TILE_EDIT_EXIT;
448 # }
449 # if ((check_type & IGUIConstants.TILE_EDIT_TREASURE) != 0 &&
450 # getAttributeValue("no_pick", defarch) == 0 && (arch_type == 4 ||
451 # arch_type == 5 || arch_type == 36 || arch_type == 60 ||
452 # arch_type == 85 || arch_type == 111 || arch_type == 123 ||
453 # arch_type == 124 || arch_type == 130)) {
454 # // Treasure: randomtreasure/money/gems/potions/spellbooks/scrolls
455 # edit_type |= IGUIConstants.TILE_EDIT_TREASURE;
456 # }
457 # if ((check_type & IGUIConstants.TILE_EDIT_DOOR) != 0 &&
458 # arch_type == 20 || arch_type == 23 || arch_type == 26 ||
459 # arch_type == 91 || arch_type == 21 || arch_type == 24) {
460 # // Door: door/special door/gates + keys
461 # edit_type |= IGUIConstants.TILE_EDIT_DOOR;
462 # }
463 # if ((check_type & IGUIConstants.TILE_EDIT_EQUIP) != 0 &&
464 # getAttributeValue("no_pick", defarch) == 0 && ((arch_type >= 13 &&
465 # arch_type <= 16) || arch_type == 33 || arch_type == 34 ||
466 # arch_type == 35 || arch_type == 39 || arch_type == 70 ||
467 # arch_type == 87 || arch_type == 99 || arch_type == 100 ||
468 # arch_type == 104 || arch_type == 109 || arch_type == 113 ||
469 # arch_type == 122 || arch_type == 3)) {
470 # // Equipment: weapons/armour/wands/rods
471 # edit_type |= IGUIConstants.TILE_EDIT_EQUIP;
472 # }
473 #
474 # return(edit_type);
475 #
476 #
477 }
478
479 sub cache_file($$&&) {
480 my ($src, $cache, $load, $create) = @_;
481
482 my ($size, $mtime) = (stat $src)[7,9]
483 or Carp::croak "$src: $!";
484
485 if (-e $cache) {
486 my $ref = eval { load_ref $cache };
487
488 if ($ref->{version} == 1
489 && $ref->{size} == $size
490 && $ref->{mtime} == $mtime
491 && eval { $load->($ref->{data}); 1 }) {
492 return;
493 }
494 }
495
496 my $ref = {
497 version => 1,
498 size => $size,
499 mtime => $mtime,
500 data => $create->(),
501 };
502
503 $load->($ref->{data});
504
505 save_ref $ref, $cache;
506 }
507
508 =item set_libdir $path
509
510 Sets the library directory to the given path
511 (default: $ENV{CROSSFIRE_LIBDIR}).
512
513 You have to (re-)load the archetypes and tilecache manually after steting
514 the library path.
515
516 =cut
517
518 sub set_libdir($) {
519 $LIB = $_[0];
520 }
521
522 =item load_archetypes
523
524 (Re-)Load archetypes into %ARCH.
525
526 =cut
527
528 sub load_archetypes() {
529 cache_file "$LIB/archetypes", "$VARDIR/archetypes.pst", sub {
530 *ARCH = $_[0];
531 }, sub {
532 read_arch "$LIB/archetypes"
533 };
534 }
535
536 =item load_tilecache
537
538 (Re-)Load %TILE and %FACE.
539
540 =cut
541
542 sub load_tilecache() {
543 require Gtk2;
544
545 cache_file "$LIB/crossfire.0", "$VARDIR/tilecache.pst", sub {
546 $TILE = new_from_file Gtk2::Gdk::Pixbuf "$VARDIR/tilecache.png"
547 or die "$VARDIR/tilecache.png: $!";
548 *FACE = $_[0];
549 }, sub {
550 require File::Temp;
551
552 my $tile = read_pak "$LIB/crossfire.0";
553
554 my %cache;
555
556 my $idx = 0;
557
558 for my $name (sort keys %$tile) {
559 my ($fh, $filename) = File::Temp::tempfile ();
560 print $fh $tile->{$name};
561 close $fh;
562 my $pb = new_from_file Gtk2::Gdk::Pixbuf $filename;
563 unlink $filename;
564
565 my $tile = $cache{$name} = {
566 pb => $pb,
567 idx => $idx,
568 w => int $pb->get_width / TILESIZE,
569 h => int $pb->get_height / TILESIZE,
570 };
571
572
573 $idx += $tile->{w} * $tile->{h};
574 }
575
576 my $pb = new Gtk2::Gdk::Pixbuf "rgb", 1, 8, 64 * TILESIZE, TILESIZE * int +($idx + 63) / 64;
577
578 while (my ($name, $tile) = each %cache) {
579 my $tpb = delete $tile->{pb};
580 my $ofs = $tile->{idx};
581
582 for my $x (0 .. $tile->{w} - 1) {
583 for my $y (0 .. $tile->{h} - 1) {
584 my $idx = $ofs + $x + $y * $tile->{w};
585 $tpb->copy_area ($x * TILESIZE, $y * TILESIZE, TILESIZE, TILESIZE,
586 $pb, ($idx % 64) * TILESIZE, TILESIZE * int $idx / 64);
587 }
588 }
589 }
590
591 $pb->save ("$VARDIR/tilecache.png", "png");
592
593 \%cache
594 };
595 }
596
597 =head1 AUTHOR
598
599 Marc Lehmann <schmorp@schmorp.de>
600 http://home.schmorp.de/
601
602 Robin Redeker <elmex@ta-sa.org>
603 http://www.ta-sa.org/
604
605 =cut
606
607 1