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Revision: 1.117
Committed: Wed Dec 5 11:03:08 2007 UTC (16 years, 5 months ago) by root
Branch: MAIN
CVS Tags: rel-1_12
Changes since 1.116: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 =head1 NAME
2
3 Crossfire - Crossfire maphandling
4
5 =cut
6
7 package Crossfire;
8
9 our $VERSION = '1.12';
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 qw(freeze thaw);
19
20 our @EXPORT = qw(
21 read_pak read_arch
22 *ARCH $TILE *FACE *FACEDATA
23 TILESIZE CACHESTRIDE
24 editor_archs arch_extents
25 );
26
27 use JSON::XS qw(from_json to_json);
28
29 our $LIB = $ENV{CROSSFIRE_LIBDIR};
30
31 our $VARDIR = $ENV{HOME} ? "$ENV{HOME}/.crossfire"
32 : $ENV{AppData} ? "$ENV{APPDATA}/crossfire"
33 : File::Spec->tmpdir . "/crossfire";
34
35 mkdir $VARDIR, 0777;
36
37 sub TILESIZE (){ 32 }
38 sub CACHESTRIDE (){ 64 }
39
40 our %ARCH;
41 our %FACE; # face32
42 our %FACEDATA;
43 our $TILE;
44
45 our %FIELD_MULTILINE = (
46 msg => "endmsg",
47 lore => "endlore",
48 maplore => "endmaplore",
49 );
50
51 # movement bit type, PITA
52 our %FIELD_MOVEMENT = map +($_ => undef),
53 qw(move_type move_block move_allow move_on move_off move_slow);
54
55 # same as in server save routine, to (hopefully) be compatible
56 # to the other editors.
57 our @FIELD_ORDER_MAP = (qw(
58 file_format_version
59 name attach swap_time reset_timeout fixed_resettime difficulty region
60 shopitems shopgreed shopmin shopmax shoprace
61 darkness width height enter_x enter_y msg maplore
62 unique template
63 outdoor temp pressure humid windspeed winddir sky nosmooth
64 tile_path_1 tile_path_2 tile_path_3 tile_path_4
65 ));
66
67 our @FIELD_ORDER = (qw(
68 inherit
69
70 elevation
71
72 name name_pl custom_name attach title race
73 slaying skill msg lore other_arch
74 face animation is_animated
75 magicmap smoothlevel smoothface
76 str dex con wis pow cha int
77 hp maxhp sp maxsp grace maxgrace
78 exp perm_exp expmul
79 food dam luck wc ac x y speed speed_left move_state attack_movement
80 nrof level direction type subtype attacktype
81
82 resist_physical resist_magic resist_fire resist_electricity
83 resist_cold resist_confusion resist_acid resist_drain
84 resist_weaponmagic resist_ghosthit resist_poison resist_slow
85 resist_paralyze resist_turn_undead resist_fear resist_cancellation
86 resist_deplete resist_death resist_chaos resist_counterspell
87 resist_godpower resist_holyword resist_blind resist_internal
88 resist_life_stealing resist_disease
89
90 path_attuned path_repelled path_denied material materialname
91 value carrying weight invisible state magic
92 last_heal last_sp last_grace last_eat
93 connected glow_radius randomitems tresure_env npx_status npc_program
94 run_away pick_up container will_apply smoothlevel
95 current_weapon_script weapontype tooltype elevation client_type
96 item_power duration range
97 range_modifier duration_modifier dam_modifier gen_sp_armour
98 move_type move_block move_allow move_on move_off move_on move_slow move_slow_penalty
99
100 alive wiz was_wiz applied unpaid can_use_shield no_pick is_animated monster
101 friendly generator is_thrown auto_apply treasure player sold see_invisible
102 can_roll overlay_floor is_turnable is_used_up identified reflecting changing
103 splitting hitback startequip blocksview undead scared unaggressive
104 reflect_missile reflect_spell no_magic no_fix_player is_lightable tear_down
105 run_away pick_up unique no_drop can_cast_spell can_use_scroll can_use_range
106 can_use_bow can_use_armour can_use_weapon can_use_ring has_ready_range
107 has_ready_bow xrays is_floor lifesave no_strength sleep stand_still
108 random_move only_attack confused stealth cursed damned see_anywhere
109 known_magical known_cursed can_use_skill been_applied has_ready_scroll
110 can_use_rod can_use_horn make_invisible inv_locked is_wooded is_hilly
111 has_ready_skill has_ready_weapon no_skill_ident is_blind can_see_in_dark
112 is_cauldron is_dust no_steal one_hit berserk neutral no_attack no_damage
113 activate_on_push activate_on_release is_water use_content_on_gen is_buildable
114 precious
115
116 body_range body_arm body_torso body_head body_neck body_skill
117 body_finger body_shoulder body_foot body_hand body_wrist body_waist
118 ));
119
120 our %EVENT_TYPE = (
121 apply => 1,
122 attack => 2,
123 death => 3,
124 drop => 4,
125 pickup => 5,
126 say => 6,
127 stop => 7,
128 time => 8,
129 throw => 9,
130 trigger => 10,
131 close => 11,
132 timer => 12,
133 );
134
135 sub MOVE_WALK (){ 0x01 }
136 sub MOVE_FLY_LOW (){ 0x02 }
137 sub MOVE_FLY_HIGH (){ 0x04 }
138 sub MOVE_FLYING (){ 0x06 }
139 sub MOVE_SWIM (){ 0x08 }
140 sub MOVE_BOAT (){ 0x10 }
141 sub MOVE_SHIP (){ 0x20 }
142 sub MOVE_KNOWN (){ 0x3f } # all of above
143 sub MOVE_ALL (){ 0x10000 } # very special value
144
145 our %MOVE_TYPE = (
146 walk => MOVE_WALK,
147 fly_low => MOVE_FLY_LOW,
148 fly_high => MOVE_FLY_HIGH,
149 flying => MOVE_FLYING,
150 swim => MOVE_SWIM,
151 boat => MOVE_BOAT,
152 ship => MOVE_SHIP,
153 all => MOVE_ALL,
154 );
155
156 our @MOVE_TYPE = keys %MOVE_TYPE;
157
158 {
159 package Crossfire::MoveType;
160
161 use overload
162 '=' => sub { bless [@{$_[0]}], ref $_[0] },
163 '""' => \&as_string,
164 '>=' => sub { $_[0][0] & $MOVE_TYPE{$_[1]} ? $_[0][1] & $MOVE_TYPE{$_[1]} : undef },
165 '+=' => sub { $_[0][0] |= $MOVE_TYPE{$_[1]}; $_[0][1] |= $MOVE_TYPE{$_[1]}; &normalise },
166 '-=' => sub { $_[0][0] |= $MOVE_TYPE{$_[1]}; $_[0][1] &= ~$MOVE_TYPE{$_[1]}; &normalise },
167 '/=' => sub { $_[0][0] &= ~$MOVE_TYPE{$_[1]}; &normalise },
168 'x=' => sub {
169 my $cur = $_[0] >= $_[1];
170 if (!defined $cur) {
171 if ($_[0] >= "all") {
172 $_[0] -= $_[1];
173 } else {
174 $_[0] += $_[1];
175 }
176 } elsif ($cur) {
177 $_[0] -= $_[1];
178 } else {
179 $_[0] /= $_[1];
180 }
181
182 $_[0]
183 },
184 'eq' => sub { "$_[0]" eq "$_[1]" },
185 'ne' => sub { "$_[0]" ne "$_[1]" },
186 ;
187 }
188
189 sub Crossfire::MoveType::new {
190 my ($class, $string) = @_;
191
192 my $mask;
193 my $value;
194
195 if ($string =~ /^\s*\d+\s*$/) {
196 $mask = MOVE_ALL;
197 $value = $string+0;
198 } else {
199 for (split /\s+/, lc $string) {
200 if (s/^-//) {
201 $mask |= $MOVE_TYPE{$_};
202 $value &= ~$MOVE_TYPE{$_};
203 } else {
204 $mask |= $MOVE_TYPE{$_};
205 $value |= $MOVE_TYPE{$_};
206 }
207 }
208 }
209
210 (bless [$mask, $value], $class)->normalise
211 }
212
213 sub Crossfire::MoveType::normalise {
214 my ($self) = @_;
215
216 if ($self->[0] & MOVE_ALL) {
217 my $mask = ~(($self->[1] & MOVE_ALL ? $self->[1] : ~$self->[1]) & $self->[0] & ~MOVE_ALL);
218 $self->[0] &= $mask;
219 $self->[1] &= $mask;
220 }
221
222 $self->[1] &= $self->[0];
223
224 $self
225 }
226
227 sub Crossfire::MoveType::as_string {
228 my ($self) = @_;
229
230 my @res;
231
232 my ($mask, $value) = @$self;
233
234 for (@Crossfire::MOVE_TYPE) {
235 my $bit = $Crossfire::MOVE_TYPE{$_};
236 if (($mask & $bit) == $bit && (($value & $bit) == $bit || ($value & $bit) == 0)) {
237 $mask &= ~$bit;
238 push @res, $value & $bit ? $_ : "-$_";
239 }
240 }
241
242 join " ", @res
243 }
244
245 sub load_ref($) {
246 my ($path) = @_;
247
248 open my $fh, "<:raw:perlio", $path
249 or die "$path: $!";
250 local $/;
251
252 thaw <$fh>
253 }
254
255 sub save_ref($$) {
256 my ($ref, $path) = @_;
257
258 open my $fh, ">:raw:perlio", "$path~"
259 or die "$path~: $!";
260 print $fh freeze $ref;
261 close $fh;
262 rename "$path~", $path
263 or die "$path: $!";
264 }
265
266 my %attack_mask = (
267 physical => 0x00000001,
268 magic => 0x00000002,
269 fire => 0x00000004,
270 electricity => 0x00000008,
271 cold => 0x00000010,
272 confusion => 0x00000020,
273 acid => 0x00000040,
274 drain => 0x00000080,
275 weaponmagic => 0x00000100,
276 ghosthit => 0x00000200,
277 poison => 0x00000400,
278 slow => 0x00000800,
279 paralyze => 0x00001000,
280 turn_undead => 0x00002000,
281 fear => 0x00004000,
282 cancellation => 0x00008000,
283 deplete => 0x00010000,
284 death => 0x00020000,
285 chaos => 0x00040000,
286 counterspell => 0x00080000,
287 godpower => 0x00100000,
288 holyword => 0x00200000,
289 blind => 0x00400000,
290 internal => 0x00800000,
291 life_stealing => 0x01000000,
292 disease => 0x02000000,
293 );
294
295 sub _add_resist($$$) {
296 my ($ob, $mask, $value) = @_;
297
298 while (my ($k, $v) = each %attack_mask) {
299 $ob->{"resist_$k"} = min 100, max -100, $ob->{"resist_$k"} + $value if $mask & $v;
300 }
301 }
302
303 my %MATERIAL = reverse
304 paper => 1,
305 iron => 2,
306 glass => 4,
307 leather => 8,
308 wood => 16,
309 organic => 32,
310 stone => 64,
311 cloth => 128,
312 adamant => 256,
313 liquid => 512,
314 tin => 1024,
315 bone => 2048,
316 ice => 4096,
317
318 # guesses
319 runestone => 12,
320 bronze => 18,
321 "ancient wood" => 20,
322 glass => 36,
323 marble => 66,
324 ice => 68,
325 stone => 70,
326 stone => 80,
327 cloth => 136,
328 ironwood => 144,
329 adamantium => 258,
330 glacium => 260,
331 blood => 544,
332 ;
333
334 # object as in "Object xxx", i.e. archetypes
335 sub normalize_object($) {
336 my ($ob) = @_;
337
338 # convert material bitset to materialname, if possible
339 if (exists $ob->{material}) {
340 if (!$ob->{material}) {
341 delete $ob->{material};
342 } elsif (exists $ob->{materialname}) {
343 if ($MATERIAL{$ob->{material}} eq $ob->{materialname}) {
344 delete $ob->{material};
345 } else {
346 warn "object $ob->{_name} has both materialname ($ob->{materialname}) and material ($ob->{material}) set.\n";
347 delete $ob->{material}; # assume materilname is more specific and nuke material
348 }
349 } elsif (my $name = $MATERIAL{$ob->{material}}) {
350 delete $ob->{material};
351 $ob->{materialname} = $name;
352 } else {
353 warn "object $ob->{_name} has unknown material ($ob->{material}) set.\n";
354 }
355 }
356
357 # check whether attachment is the same as in the archetype
358 if (exists $ob->{attach}) {
359 my $arch = $ARCH{$ob->{_name}};
360 my $js = JSON::XS->new->utf8->canonical (1);
361
362 if (defined $arch->{attach}
363 && $js->encode ($js->decode ($ob->{attach})) eq $js->encode ($arch->{attach})) {
364 delete $ob->{attach}
365 }
366 }
367
368 # color_fg is used as default for magicmap if magicmap does not exist
369 $ob->{magicmap} ||= delete $ob->{color_fg} if exists $ob->{color_fg};
370
371 # nuke outdated or never supported fields
372 delete @$ob{qw(
373 can_knockback can_parry can_impale can_cut can_dam_armour
374 can_apply pass_thru can_pass_thru color_bg color_fg
375 )};
376
377 if (my $mask = delete $ob->{immune} ) { _add_resist $ob, $mask, 100; }
378 if (my $mask = delete $ob->{protected} ) { _add_resist $ob, $mask, 30; }
379 if (my $mask = delete $ob->{vulnerable}) { _add_resist $ob, $mask, -100; }
380
381 # convert movement strings to bitsets
382 for my $attr (keys %FIELD_MOVEMENT) {
383 next unless exists $ob->{$attr};
384
385 $ob->{$attr} = new Crossfire::MoveType $ob->{$attr};
386 }
387
388 # convert outdated movement flags to new movement sets
389 if (defined (my $v = delete $ob->{no_pass})) {
390 $ob->{move_block} = new Crossfire::MoveType $v ? "all" : "";
391 }
392 if (defined (my $v = delete $ob->{slow_move})) {
393 $ob->{move_slow} += "walk";
394 $ob->{move_slow_penalty} = $v;
395 }
396 if (defined (my $v = delete $ob->{walk_on})) {
397 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "walk" } else { $ob->{move_on} -= "walk" }
398 }
399 if (defined (my $v = delete $ob->{walk_off})) {
400 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "walk" } else { $ob->{move_off} -= "walk" }
401 }
402 if (defined (my $v = delete $ob->{fly_on})) {
403 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "fly_low" } else { $ob->{move_on} -= "fly_low" }
404 }
405 if (defined (my $v = delete $ob->{fly_off})) {
406 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "fly_low" } else { $ob->{move_off} -= "fly_low" }
407 }
408 if (defined (my $v = delete $ob->{flying})) {
409 $ob->{move_type} ||= new Crossfire::MoveType; if ($v) { $ob->{move_type} += "fly_low" } else { $ob->{move_type} -= "fly_low" }
410 }
411
412 # convert idiotic event_xxx things into objects
413 while (my ($event, $subtype) = each %EVENT_TYPE) {
414 if (exists $ob->{"event_${event}_plugin"}) {
415 push @{$ob->{inventory}}, {
416 _name => "event_$event",
417 title => delete $ob->{"event_${event}_plugin"},
418 slaying => delete $ob->{"event_${event}"},
419 name => delete $ob->{"event_${event}_options"},
420 };
421 }
422 }
423
424 # some archetypes had "+3" instead of the canonical "3", so fix
425 $ob->{dam} *= 1 if exists $ob->{dam};
426
427 $ob
428 }
429
430 # arch as in "arch xxx", ie.. objects
431 sub normalize_arch($) {
432 my ($ob) = @_;
433
434 normalize_object $ob;
435
436 my $arch = $ARCH{$ob->{_name}}
437 or (warn "$ob->{_name}: no such archetype", return $ob);
438
439 if ($arch->{type} == 22) { # map
440 my %normalize = (
441 "enter_x" => "hp",
442 "enter_y" => "sp",
443 "width" => "x",
444 "height" => "y",
445 "reset_timeout" => "weight",
446 "swap_time" => "value",
447 "difficulty" => "level",
448 "darkness" => "invisible",
449 "fixed_resettime" => "stand_still",
450 );
451
452 while (my ($k2, $k1) = each %normalize) {
453 if (defined (my $v = delete $ob->{$k1})) {
454 $ob->{$k2} = $v;
455 }
456 }
457 } else {
458 # if value matches archetype default, delete
459 while (my ($k, $v) = each %$ob) {
460 if (exists $arch->{$k} and $arch->{$k} eq $v) {
461 next if $k eq "_name";
462 delete $ob->{$k};
463 }
464 }
465 }
466
467 # a speciality for the editor
468 if (exists $ob->{attack_movement}) {
469 my $am = delete $ob->{attack_movement};
470 $ob->{attack_movement_bits_0_3} = $am & 15;
471 $ob->{attack_movement_bits_4_7} = $am & 240;
472 }
473
474 $ob
475 }
476
477 sub attr_thaw($) {
478 my ($ob) = @_;
479
480 $ob->{attach} = from_json $ob->{attach}
481 if exists $ob->{attach};
482
483 $ob
484 }
485
486 sub attr_freeze($) {
487 my ($ob) = @_;
488
489 $ob->{attach} = Crossfire::to_json $ob->{attach}
490 if exists $ob->{attach};
491
492 $ob
493 }
494
495 sub read_pak($) {
496 my ($path) = @_;
497
498 my %pak;
499
500 open my $fh, "<:raw:perlio", $path
501 or Carp::croak "$_[0]: $!";
502 binmode $fh;
503 while (<$fh>) {
504 my ($type, $id, $len, $path) = split;
505 $path =~ s/.*\///;
506 read $fh, $pak{$path}, $len;
507 }
508
509 \%pak
510 }
511
512 sub read_arch($;$) {
513 my ($path, $toplevel) = @_;
514
515 my %arc;
516 my ($more, $prev);
517 my $comment;
518
519 open my $fh, "<:raw:perlio:utf8", $path
520 or Carp::croak "$path: $!";
521
522 # binmode $fh;
523
524 my $parse_block; $parse_block = sub {
525 my %arc = @_;
526
527 while (<$fh>) {
528 s/\s+$//;
529 if (/^end$/i) {
530 last;
531
532 } elsif (/^arch (\S+)$/i) {
533 push @{ $arc{inventory} }, attr_thaw normalize_arch $parse_block->(_name => $1);
534
535 } elsif (/^lore$/i) {
536 while (<$fh>) {
537 last if /^endlore\s*$/i;
538 $arc{lore} .= $_;
539 }
540 } elsif (/^msg$/i) {
541 while (<$fh>) {
542 last if /^endmsg\s*$/i;
543 $arc{msg} .= $_;
544 }
545 } elsif (/^anim$/i) {
546 while (<$fh>) {
547 last if /^mina\s*$/i;
548 chomp;
549 push @{ $arc{anim} }, $_;
550 }
551 } elsif (/^(\S+)\s*(.*)$/) {
552 $arc{lc $1} = $2;
553 } elsif (/^\s*#/) {
554 $arc{_comment} .= "$_\n";
555
556 } elsif (/^\s*$/) {
557 #
558 } else {
559 warn "$path: unparsable line '$_' in arch $arc{_name}";
560 }
561 }
562
563 \%arc
564 };
565
566 while (<$fh>) {
567 s/\s+$//;
568 if (/^more$/i) {
569 $more = $prev;
570 } elsif (/^object (\S+)$/i) {
571 my $name = $1;
572 my $arc = attr_thaw normalize_object $parse_block->(_name => $name, _comment => $comment);
573 undef $comment;
574 delete $arc{_comment} unless length $arc{_comment};
575 $arc->{_atype} = 'object';
576
577 if ($more) {
578 $more->{more} = $arc;
579 } else {
580 $arc{$name} = $arc;
581 }
582 $prev = $arc;
583 $more = undef;
584 } elsif (/^arch (\S+)$/i) {
585 my $name = $1;
586 my $arc = attr_thaw normalize_arch $parse_block->(_name => $name, _comment => $comment);
587 undef $comment;
588 delete $arc{_comment} unless length $arc{_comment};
589 $arc->{_atype} = 'arch';
590
591 if ($more) {
592 $more->{more} = $arc;
593 } else {
594 push @{ $arc{arch} }, $arc;
595 }
596 $prev = $arc;
597 $more = undef;
598 } elsif ($toplevel && /^(\S+)\s+(.*)$/) {
599 if ($1 eq "lev_array") {
600 while (<$fh>) {
601 last if /^endplst\s*$/;
602 push @{$toplevel->{lev_array}}, $_+0;
603 }
604 } else {
605 $toplevel->{$1} = $2;
606 }
607 } elsif (/^\s*#/) {
608 $comment .= "$_\n";
609 } elsif (/^\s*($|#)/) {
610 #
611 } else {
612 die "$path: unparseable top-level line '$_'";
613 }
614 }
615
616 undef $parse_block; # work around bug in perl not freeing $fh etc.
617
618 \%arc
619 }
620
621 sub archlist_to_string {
622 my ($arch) = @_;
623
624 my $str;
625
626 my $append; $append = sub {
627 my %a = %{$_[0]};
628
629 Crossfire::attr_freeze \%a;
630 Crossfire::normalize_arch \%a;
631
632 # undo the bit-split we did before
633 if (exists $a{attack_movement_bits_0_3} or exists $a{attack_movement_bits_4_7}) {
634 $a{attack_movement} = (delete $a{attack_movement_bits_0_3})
635 | (delete $a{attack_movement_bits_4_7});
636 }
637
638 if (my $comment = delete $a{_comment}) {
639 if ($comment =~ /[^\n\s#]/) {
640 $str .= $comment;
641 }
642 }
643
644 $str .= ((exists $a{_atype}) ? $a{_atype} : 'arch'). " $a{_name}\n";
645
646 my $inv = delete $a{inventory};
647 my $more = delete $a{more}; # arches do not support 'more', but old maps can contain some
648 my $anim = delete $a{anim};
649
650 if ($a{_atype} eq 'object') {
651 $str .= join "\n", "anim", @$anim, "mina\n"
652 if $anim;
653 }
654
655 my @kv;
656
657 for ($a{_name} eq "map"
658 ? @Crossfire::FIELD_ORDER_MAP
659 : @Crossfire::FIELD_ORDER) {
660 push @kv, [$_, delete $a{$_}]
661 if exists $a{$_};
662 }
663
664 for (sort keys %a) {
665 next if /^_/; # ignore our _-keys
666 push @kv, [$_, delete $a{$_}];
667 }
668
669 for (@kv) {
670 my ($k, $v) = @$_;
671
672 if (my $end = $Crossfire::FIELD_MULTILINE{$k}) {
673 $v =~ s/\n$//;
674 $str .= "$k\n$v\n$end\n";
675 } else {
676 $str .= "$k $v\n";
677 }
678 }
679
680 if ($inv) {
681 $append->($_) for @$inv;
682 }
683
684 $str .= "end\n";
685
686 if ($a{_atype} eq 'object') {
687 if ($more) {
688 $str .= "more\n";
689 $append->($more) if $more;
690 } else {
691 $str .= "\n";
692 }
693 }
694 };
695
696 for (@$arch) {
697 $append->($_);
698 }
699
700 $str
701 }
702
703 # put all archs into a hash with editor_face as it's key
704 # NOTE: the arrays in the hash values are references to
705 # the archs from $ARCH
706 sub editor_archs {
707 my %paths;
708
709 for (keys %ARCH) {
710 my $arch = $ARCH{$_};
711 push @{$paths{$arch->{editor_folder}}}, $arch;
712 }
713
714 \%paths
715 }
716
717 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
718
719 arch_extents determines the extents of the given arch's face(s), linked
720 faces and single faces are handled here it returns (minx, miny, maxx,
721 maxy)
722
723 =cut
724
725 sub arch_extents {
726 my ($a) = @_;
727
728 my $o = $ARCH{$a->{_name}}
729 or return;
730
731 my $face = $FACE{$a->{face} || $o->{face} || "blank.111"};
732 unless ($face) {
733 $face = $FACE{"blank.x11"}
734 or (warn "no face data found for arch '$a->{_name}'"), return;
735 }
736
737 if ($face->{w} > 1 || $face->{h} > 1) {
738 # bigface
739 return (0, 0, $face->{w} - 1, $face->{h} - 1);
740
741 } elsif ($o->{more}) {
742 # linked face
743 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
744
745 for (; $o; $o = $o->{more}) {
746 $minx = min $minx, $o->{x};
747 $miny = min $miny, $o->{y};
748 $maxx = max $maxx, $o->{x};
749 $maxy = max $maxy, $o->{y};
750 }
751
752 return ($minx, $miny, $maxx, $maxy);
753
754 } else {
755 # single face
756 return (0, 0, 0, 0);
757 }
758 }
759
760 =item $type = arch_attr $arch
761
762 Returns a hashref describing the object and its attributes. It can contain
763 the following keys:
764
765 name the name, suitable for display purposes
766 ignore
767 attr
768 desc
769 use
770 section => [name => \%attr, name => \%attr]
771 import
772
773 =cut
774
775 sub arch_attr($) {
776 my ($obj) = @_;
777
778 require Crossfire::Data;
779
780 my $root;
781 my $attr = { };
782
783 my $arch = $ARCH{ $obj->{_name} };
784 my $type = $obj->{type} || $arch->{type};
785
786 if ($type > 0) {
787 $root = $Crossfire::Data::ATTR{$type};
788 } else {
789 my %a = (%$arch, %$obj);
790
791 if ($a{is_floor} && !$a{alive}) {
792 $root = $Crossfire::Data::TYPE{Floor};
793 } elsif (!$a{is_floor} && $a{alive} && !$a{tear_down}) {
794 $root = $Crossfire::Data::TYPE{"Monster & NPC"};
795 } elsif (!$a{is_floor} && !$a{alive} && $a{move_block}) {
796 $root = $Crossfire::Data::TYPE{Wall};
797 } elsif (!$a{is_floor} && $a{alive} && $a{tear_down}) {
798 $root = $Crossfire::Data::TYPE{"Weak Wall"};
799 } else {
800 $root = $Crossfire::Data::TYPE{Misc};
801 }
802 }
803
804 my @import = ($root);
805
806 unshift @import, \%Crossfire::Data::DEFAULT_ATTR
807 unless $type == 116;
808
809 my (%ignore);
810 my (@section_order, %section, @attr_order);
811
812 while (my $type = shift @import) {
813 push @import,
814 grep $_,
815 map $Crossfire::Data::TYPE{$_},
816 @{$type->{import} || []};
817
818 $attr->{$_} ||= $type->{$_}
819 for qw(name desc use);
820
821 for (@{$type->{ignore} || []}) {
822 $ignore{$_}++ for ref $_ ? @$_ : $_;
823 }
824
825 for ([general => ($type->{attr} || [])], @{$type->{section} || []}) {
826 my ($name, $attr) = @$_;
827 push @section_order, $name;
828 for (@$attr) {
829 my ($k, $v) = @$_;
830 push @attr_order, $k;
831 $section{$name}{$k} ||= $v;
832 }
833 }
834 }
835
836 $attr->{section} = [
837 map !exists $section{$_} ? () : do {
838 my $attr = delete $section{$_};
839
840 [
841 $_,
842 map exists $attr->{$_} && !$ignore{$_}
843 ? [$_ => delete $attr->{$_}] : (),
844 @attr_order
845 ]
846 },
847
848 exists $section{$_} ? [$_ => delete $section{$_}] : (),
849 @section_order
850 ];
851
852 $attr
853 }
854
855 sub cache_file($$&&) {
856 my ($src, $cache, $load, $create) = @_;
857
858 my ($size, $mtime) = (stat $src)[7,9]
859 or Carp::croak "$src: $!";
860
861 if (-e $cache) {
862 my $ref = eval { load_ref $cache };
863
864 if ($ref->{version} == 1
865 && $ref->{size} == $size
866 && $ref->{mtime} == $mtime
867 && eval { $load->($ref->{data}); 1 }) {
868 return;
869 }
870 }
871
872 my $ref = {
873 version => 1,
874 size => $size,
875 mtime => $mtime,
876 data => $create->(),
877 };
878
879 $load->($ref->{data});
880
881 save_ref $ref, $cache;
882 }
883
884 =item set_libdir $path
885
886 Sets the library directory to the given path
887 (default: $ENV{CROSSFIRE_LIBDIR}).
888
889 You have to (re-)load the archetypes and tilecache manually after steting
890 the library path.
891
892 =cut
893
894 sub set_libdir($) {
895 $LIB = $_[0];
896 }
897
898 =item load_archetypes
899
900 (Re-)Load archetypes into %ARCH.
901
902 =cut
903
904 sub load_archetypes() {
905 cache_file "$LIB/archetypes", "$VARDIR/archetypes.pst", sub {
906 *ARCH = $_[0];
907 }, sub {
908 read_arch "$LIB/archetypes"
909 };
910 }
911
912 sub construct_tilecache_pb {
913 my ($idx, $cache) = @_;
914
915 my $pb = new Gtk2::Gdk::Pixbuf "rgb", 1, 8, CACHESTRIDE * TILESIZE, TILESIZE * int +($idx + CACHESTRIDE - 1) / CACHESTRIDE;
916
917 while (my ($name, $tile) = each %$cache) {
918 my $tpb = delete $tile->{pb};
919 my $ofs = $tile->{idx};
920
921 for my $x (0 .. $tile->{w} - 1) {
922 for my $y (0 .. $tile->{h} - 1) {
923 my $idx = $ofs + $x + $y * $tile->{w};
924 $tpb->copy_area ($x * TILESIZE, $y * TILESIZE, TILESIZE, TILESIZE,
925 $pb, ($idx % CACHESTRIDE) * TILESIZE, TILESIZE * int $idx / CACHESTRIDE);
926 }
927 }
928 }
929
930 $pb->save ("$VARDIR/tilecache.png", "png", compression => 1);
931
932 $cache
933 }
934
935 sub use_tilecache {
936 my ($face) = @_;
937 $TILE = new_from_file Gtk2::Gdk::Pixbuf "$VARDIR/tilecache.png"
938 or die "$VARDIR/tilecache.png: $!";
939 *FACE = $_[0];
940 }
941
942 =item load_tilecache
943
944 (Re-)Load %TILE and %FACE.
945
946 =cut
947
948 sub load_tilecache() {
949 require Gtk2;
950
951 cache_file "$LIB/facedata", "$VARDIR/tilecache.pst", \&use_tilecache,
952 sub {
953 my %cache;
954 my $facedata = Storable::retrieve "$LIB/facedata";
955
956 $facedata->{version} == 2
957 or die "$LIB/facedata: version mismatch, cannot proceed.";
958
959 my $faces = $facedata->{faceinfo};
960 my $idx = 0;
961
962 for (sort keys %$faces) {
963 my ($face, $info) = ($_, $faces->{$_});
964
965 my $pb = new Gtk2::Gdk::PixbufLoader;
966 $pb->write ($info->{data32});
967 $pb->close;
968 my $pb = $pb->get_pixbuf;
969
970 my $tile = $cache{$face} = {
971 pb => $pb,
972 idx => $idx,
973 w => int $pb->get_width / TILESIZE,
974 h => int $pb->get_height / TILESIZE,
975 };
976
977 $idx += $tile->{w} * $tile->{h};
978 }
979
980 construct_tilecache_pb $idx, \%cache;
981
982 \%cache
983 };
984 }
985
986 =head1 AUTHOR
987
988 Marc Lehmann <schmorp@schmorp.de>
989 http://home.schmorp.de/
990
991 Robin Redeker <elmex@ta-sa.org>
992 http://www.ta-sa.org/
993
994 =cut
995
996 1
997