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/cvs/deliantra/Deliantra/Deliantra.pm
Revision: 1.107
Committed: Wed May 9 11:44:40 2007 UTC (17 years ago) by root
Branch: MAIN
CVS Tags: rel-0_98, rel-2_1
Changes since 1.106: +2 -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 = '0.98';
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 *ARCH TILESIZE $TILE *FACE editor_archs arch_extents
22 );
23
24 use JSON::XS qw(from_json to_json);
25
26 our $LIB = $ENV{CROSSFIRE_LIBDIR};
27
28 our $VARDIR = $ENV{HOME} ? "$ENV{HOME}/.crossfire"
29 : $ENV{AppData} ? "$ENV{APPDATA}/crossfire"
30 : File::Spec->tmpdir . "/crossfire";
31
32 mkdir $VARDIR, 0777;
33
34 sub TILESIZE (){ 32 }
35
36 our %ARCH;
37 our %FACE;
38 our $TILE;
39
40 our %FIELD_MULTILINE = (
41 msg => "endmsg",
42 lore => "endlore",
43 maplore => "endmaplore",
44 );
45
46 # movement bit type, PITA
47 our %FIELD_MOVEMENT = map +($_ => undef),
48 qw(move_type move_block move_allow move_on move_off move_slow);
49
50 # same as in server save routine, to (hopefully) be compatible
51 # to the other editors.
52 our @FIELD_ORDER_MAP = (qw(
53 file_format_version
54 name attach swap_time reset_timeout fixed_resettime difficulty region
55 shopitems shopgreed shopmin shopmax shoprace
56 darkness width height enter_x enter_y msg maplore
57 unique template
58 outdoor temp pressure humid windspeed winddir sky nosmooth
59 tile_path_1 tile_path_2 tile_path_3 tile_path_4
60 ));
61
62 our @FIELD_ORDER = (qw(
63 inherit
64
65 elevation
66
67 name name_pl custom_name attach title race
68 slaying skill msg lore other_arch
69 face animation is_animated
70 magicmap smoothlevel smoothface
71 str dex con wis pow cha int
72 hp maxhp sp maxsp grace maxgrace
73 exp perm_exp expmul
74 food dam luck wc ac x y speed speed_left move_state attack_movement
75 nrof level direction type subtype attacktype
76
77 resist_physical resist_magic resist_fire resist_electricity
78 resist_cold resist_confusion resist_acid resist_drain
79 resist_weaponmagic resist_ghosthit resist_poison resist_slow
80 resist_paralyze resist_turn_undead resist_fear resist_cancellation
81 resist_deplete resist_death resist_chaos resist_counterspell
82 resist_godpower resist_holyword resist_blind resist_internal
83 resist_life_stealing resist_disease
84
85 path_attuned path_repelled path_denied material materialname
86 value carrying weight invisible state magic
87 last_heal last_sp last_grace last_eat
88 connected glow_radius randomitems tresure_env npx_status npc_program
89 run_away pick_up container will_apply smoothlevel
90 current_weapon_script weapontype tooltype elevation client_type
91 item_power duration range
92 range_modifier duration_modifier dam_modifier gen_sp_armour
93 move_type move_block move_allow move_on move_off move_on move_slow move_slow_penalty
94
95 alive wiz was_wiz applied unpaid can_use_shield no_pick is_animated monster
96 friendly generator is_thrown auto_apply treasure player sold see_invisible
97 can_roll overlay_floor is_turnable is_used_up identified reflecting changing
98 splitting hitback startequip blocksview undead scared unaggressive
99 reflect_missile reflect_spell no_magic no_fix_player is_lightable tear_down
100 run_away pick_up unique no_drop can_cast_spell can_use_scroll can_use_range
101 can_use_bow can_use_armour can_use_weapon can_use_ring has_ready_range
102 has_ready_bow xrays is_floor lifesave no_strength sleep stand_still
103 random_move only_attack confused stealth cursed damned see_anywhere
104 known_magical known_cursed can_use_skill been_applied has_ready_scroll
105 can_use_rod can_use_horn make_invisible inv_locked is_wooded is_hilly
106 has_ready_skill has_ready_weapon no_skill_ident is_blind can_see_in_dark
107 is_cauldron is_dust no_steal one_hit berserk neutral no_attack no_damage
108 activate_on_push activate_on_release is_water use_content_on_gen is_buildable
109 precious
110
111 body_range body_arm body_torso body_head body_neck body_skill
112 body_finger body_shoulder body_foot body_hand body_wrist body_waist
113 ));
114
115 our %EVENT_TYPE = (
116 apply => 1,
117 attack => 2,
118 death => 3,
119 drop => 4,
120 pickup => 5,
121 say => 6,
122 stop => 7,
123 time => 8,
124 throw => 9,
125 trigger => 10,
126 close => 11,
127 timer => 12,
128 );
129
130 sub MOVE_WALK (){ 0x01 }
131 sub MOVE_FLY_LOW (){ 0x02 }
132 sub MOVE_FLY_HIGH (){ 0x04 }
133 sub MOVE_FLYING (){ 0x06 }
134 sub MOVE_SWIM (){ 0x08 }
135 sub MOVE_BOAT (){ 0x10 }
136 sub MOVE_SHIP (){ 0x20 }
137 sub MOVE_KNOWN (){ 0x3f } # all of above
138 sub MOVE_ALL (){ 0x10000 } # very special value
139
140 our %MOVE_TYPE = (
141 walk => MOVE_WALK,
142 fly_low => MOVE_FLY_LOW,
143 fly_high => MOVE_FLY_HIGH,
144 flying => MOVE_FLYING,
145 swim => MOVE_SWIM,
146 boat => MOVE_BOAT,
147 ship => MOVE_SHIP,
148 all => MOVE_ALL,
149 );
150
151 our @MOVE_TYPE = keys %MOVE_TYPE;
152
153 {
154 package Crossfire::MoveType;
155
156 use overload
157 '=' => sub { bless [@{$_[0]}], ref $_[0] },
158 '""' => \&as_string,
159 '>=' => sub { $_[0][0] & $MOVE_TYPE{$_[1]} ? $_[0][1] & $MOVE_TYPE{$_[1]} : undef },
160 '+=' => sub { $_[0][0] |= $MOVE_TYPE{$_[1]}; $_[0][1] |= $MOVE_TYPE{$_[1]}; &normalise },
161 '-=' => sub { $_[0][0] |= $MOVE_TYPE{$_[1]}; $_[0][1] &= ~$MOVE_TYPE{$_[1]}; &normalise },
162 '/=' => sub { $_[0][0] &= ~$MOVE_TYPE{$_[1]}; &normalise },
163 'x=' => sub {
164 my $cur = $_[0] >= $_[1];
165 if (!defined $cur) {
166 if ($_[0] >= "all") {
167 $_[0] -= $_[1];
168 } else {
169 $_[0] += $_[1];
170 }
171 } elsif ($cur) {
172 $_[0] -= $_[1];
173 } else {
174 $_[0] /= $_[1];
175 }
176
177 $_[0]
178 },
179 'eq' => sub { "$_[0]" eq "$_[1]" },
180 'ne' => sub { "$_[0]" ne "$_[1]" },
181 ;
182 }
183
184 sub Crossfire::MoveType::new {
185 my ($class, $string) = @_;
186
187 my $mask;
188 my $value;
189
190 if ($string =~ /^\s*\d+\s*$/) {
191 $mask = MOVE_ALL;
192 $value = $string+0;
193 } else {
194 for (split /\s+/, lc $string) {
195 if (s/^-//) {
196 $mask |= $MOVE_TYPE{$_};
197 $value &= ~$MOVE_TYPE{$_};
198 } else {
199 $mask |= $MOVE_TYPE{$_};
200 $value |= $MOVE_TYPE{$_};
201 }
202 }
203 }
204
205 (bless [$mask, $value], $class)->normalise
206 }
207
208 sub Crossfire::MoveType::normalise {
209 my ($self) = @_;
210
211 if ($self->[0] & MOVE_ALL) {
212 my $mask = ~(($self->[1] & MOVE_ALL ? $self->[1] : ~$self->[1]) & $self->[0] & ~MOVE_ALL);
213 $self->[0] &= $mask;
214 $self->[1] &= $mask;
215 }
216
217 $self->[1] &= $self->[0];
218
219 $self
220 }
221
222 sub Crossfire::MoveType::as_string {
223 my ($self) = @_;
224
225 my @res;
226
227 my ($mask, $value) = @$self;
228
229 for (@Crossfire::MOVE_TYPE) {
230 my $bit = $Crossfire::MOVE_TYPE{$_};
231 if (($mask & $bit) == $bit && (($value & $bit) == $bit || ($value & $bit) == 0)) {
232 $mask &= ~$bit;
233 push @res, $value & $bit ? $_ : "-$_";
234 }
235 }
236
237 join " ", @res
238 }
239
240 sub load_ref($) {
241 my ($path) = @_;
242
243 open my $fh, "<:raw:perlio", $path
244 or die "$path: $!";
245 local $/;
246
247 thaw <$fh>
248 }
249
250 sub save_ref($$) {
251 my ($ref, $path) = @_;
252
253 open my $fh, ">:raw:perlio", "$path~"
254 or die "$path~: $!";
255 print $fh freeze $ref;
256 close $fh;
257 rename "$path~", $path
258 or die "$path: $!";
259 }
260
261 my %attack_mask = (
262 physical => 0x00000001,
263 magic => 0x00000002,
264 fire => 0x00000004,
265 electricity => 0x00000008,
266 cold => 0x00000010,
267 confusion => 0x00000020,
268 acid => 0x00000040,
269 drain => 0x00000080,
270 weaponmagic => 0x00000100,
271 ghosthit => 0x00000200,
272 poison => 0x00000400,
273 slow => 0x00000800,
274 paralyze => 0x00001000,
275 turn_undead => 0x00002000,
276 fear => 0x00004000,
277 cancellation => 0x00008000,
278 deplete => 0x00010000,
279 death => 0x00020000,
280 chaos => 0x00040000,
281 counterspell => 0x00080000,
282 godpower => 0x00100000,
283 holyword => 0x00200000,
284 blind => 0x00400000,
285 internal => 0x00800000,
286 life_stealing => 0x01000000,
287 disease => 0x02000000,
288 );
289
290 sub _add_resist($$$) {
291 my ($ob, $mask, $value) = @_;
292
293 while (my ($k, $v) = each %attack_mask) {
294 $ob->{"resist_$k"} = min 100, max -100, $ob->{"resist_$k"} + $value if $mask & $v;
295 }
296 }
297
298 my %MATERIAL = reverse
299 paper => 1,
300 iron => 2,
301 glass => 4,
302 leather => 8,
303 wood => 16,
304 organic => 32,
305 stone => 64,
306 cloth => 128,
307 adamant => 256,
308 liquid => 512,
309 tin => 1024,
310 bone => 2048,
311 ice => 4096,
312
313 # guesses
314 runestone => 12,
315 bronze => 18,
316 "ancient wood" => 20,
317 glass => 36,
318 marble => 66,
319 ice => 68,
320 stone => 70,
321 stone => 80,
322 cloth => 136,
323 ironwood => 144,
324 adamantium => 258,
325 glacium => 260,
326 blood => 544,
327 ;
328
329 # object as in "Object xxx", i.e. archetypes
330 sub normalize_object($) {
331 my ($ob) = @_;
332
333 # convert material bitset to materialname, if possible
334 if (exists $ob->{material}) {
335 if (!$ob->{material}) {
336 delete $ob->{material};
337 } elsif (exists $ob->{materialname}) {
338 if ($MATERIAL{$ob->{material}} eq $ob->{materialname}) {
339 delete $ob->{material};
340 } else {
341 warn "object $ob->{_name} has both materialname ($ob->{materialname}) and material ($ob->{material}) set.\n";
342 delete $ob->{material}; # assume materilname is more specific and nuke material
343 }
344 } elsif (my $name = $MATERIAL{$ob->{material}}) {
345 delete $ob->{material};
346 $ob->{materialname} = $name;
347 } else {
348 warn "object $ob->{_name} has unknown material ($ob->{material}) set.\n";
349 }
350 }
351
352 # color_fg is used as default for magicmap if magicmap does not exist
353 $ob->{magicmap} ||= delete $ob->{color_fg} if exists $ob->{color_fg};
354
355 # nuke outdated or never supported fields
356 delete @$ob{qw(
357 can_knockback can_parry can_impale can_cut can_dam_armour
358 can_apply pass_thru can_pass_thru color_bg color_fg
359 )};
360
361 if (my $mask = delete $ob->{immune} ) { _add_resist $ob, $mask, 100; }
362 if (my $mask = delete $ob->{protected} ) { _add_resist $ob, $mask, 30; }
363 if (my $mask = delete $ob->{vulnerable}) { _add_resist $ob, $mask, -100; }
364
365 # convert movement strings to bitsets
366 for my $attr (keys %FIELD_MOVEMENT) {
367 next unless exists $ob->{$attr};
368
369 $ob->{$attr} = new Crossfire::MoveType $ob->{$attr};
370 }
371
372 # convert outdated movement flags to new movement sets
373 if (defined (my $v = delete $ob->{no_pass})) {
374 $ob->{move_block} = new Crossfire::MoveType $v ? "all" : "";
375 }
376 if (defined (my $v = delete $ob->{slow_move})) {
377 $ob->{move_slow} += "walk";
378 $ob->{move_slow_penalty} = $v;
379 }
380 if (defined (my $v = delete $ob->{walk_on})) {
381 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "walk" } else { $ob->{move_on} -= "walk" }
382 }
383 if (defined (my $v = delete $ob->{walk_off})) {
384 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "walk" } else { $ob->{move_off} -= "walk" }
385 }
386 if (defined (my $v = delete $ob->{fly_on})) {
387 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "fly_low" } else { $ob->{move_on} -= "fly_low" }
388 }
389 if (defined (my $v = delete $ob->{fly_off})) {
390 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "fly_low" } else { $ob->{move_off} -= "fly_low" }
391 }
392 if (defined (my $v = delete $ob->{flying})) {
393 $ob->{move_type} ||= new Crossfire::MoveType; if ($v) { $ob->{move_type} += "fly_low" } else { $ob->{move_type} -= "fly_low" }
394 }
395
396 # convert idiotic event_xxx things into objects
397 while (my ($event, $subtype) = each %EVENT_TYPE) {
398 if (exists $ob->{"event_${event}_plugin"}) {
399 push @{$ob->{inventory}}, {
400 _name => "event_$event",
401 title => delete $ob->{"event_${event}_plugin"},
402 slaying => delete $ob->{"event_${event}"},
403 name => delete $ob->{"event_${event}_options"},
404 };
405 }
406 }
407
408 # some archetypes had "+3" instead of the canonical "3", so fix
409 $ob->{dam} *= 1 if exists $ob->{dam};
410
411 $ob
412 }
413
414 # arch as in "arch xxx", ie.. objects
415 sub normalize_arch($) {
416 my ($ob) = @_;
417
418 normalize_object $ob;
419
420 my $arch = $ARCH{$ob->{_name}}
421 or (warn "$ob->{_name}: no such archetype", return $ob);
422
423 if ($arch->{type} == 22) { # map
424 my %normalize = (
425 "enter_x" => "hp",
426 "enter_y" => "sp",
427 "width" => "x",
428 "height" => "y",
429 "reset_timeout" => "weight",
430 "swap_time" => "value",
431 "difficulty" => "level",
432 "darkness" => "invisible",
433 "fixed_resettime" => "stand_still",
434 );
435
436 while (my ($k2, $k1) = each %normalize) {
437 if (defined (my $v = delete $ob->{$k1})) {
438 $ob->{$k2} = $v;
439 }
440 }
441 } else {
442 # if value matches archetype default, delete
443 while (my ($k, $v) = each %$ob) {
444 if (exists $arch->{$k} and $arch->{$k} eq $v) {
445 next if $k eq "_name";
446 delete $ob->{$k};
447 }
448 }
449 }
450
451 # a speciality for the editor
452 if (exists $ob->{attack_movement}) {
453 my $am = delete $ob->{attack_movement};
454 $ob->{attack_movement_bits_0_3} = $am & 15;
455 $ob->{attack_movement_bits_4_7} = $am & 240;
456 }
457
458 $ob
459 }
460
461 sub attr_thaw($) {
462 my ($ob) = @_;
463
464 $ob->{attach} = from_json $ob->{attach}
465 if exists $ob->{attach};
466
467 $ob
468 }
469
470 sub attr_freeze($) {
471 my ($ob) = @_;
472
473 $ob->{attach} = Crossfire::to_json $ob->{attach}
474 if exists $ob->{attach};
475
476 $ob
477 }
478
479 sub read_pak($) {
480 my ($path) = @_;
481
482 my %pak;
483
484 open my $fh, "<:raw:perlio", $path
485 or Carp::croak "$_[0]: $!";
486 binmode $fh;
487 while (<$fh>) {
488 my ($type, $id, $len, $path) = split;
489 $path =~ s/.*\///;
490 read $fh, $pak{$path}, $len;
491 }
492
493 \%pak
494 }
495
496 sub read_arch($;$) {
497 my ($path, $toplevel) = @_;
498
499 my %arc;
500 my ($more, $prev);
501 my $comment;
502
503 open my $fh, "<:raw:perlio:utf8", $path
504 or Carp::croak "$path: $!";
505
506 # binmode $fh;
507
508 my $parse_block; $parse_block = sub {
509 my %arc = @_;
510
511 while (<$fh>) {
512 s/\s+$//;
513 if (/^end$/i) {
514 last;
515
516 } elsif (/^arch (\S+)$/i) {
517 push @{ $arc{inventory} }, attr_thaw normalize_arch $parse_block->(_name => $1);
518
519 } elsif (/^lore$/i) {
520 while (<$fh>) {
521 last if /^endlore\s*$/i;
522 $arc{lore} .= $_;
523 }
524 } elsif (/^msg$/i) {
525 while (<$fh>) {
526 last if /^endmsg\s*$/i;
527 $arc{msg} .= $_;
528 }
529 } elsif (/^anim$/i) {
530 while (<$fh>) {
531 last if /^mina\s*$/i;
532 chomp;
533 push @{ $arc{anim} }, $_;
534 }
535 } elsif (/^(\S+)\s*(.*)$/) {
536 $arc{lc $1} = $2;
537 } elsif (/^\s*#/) {
538 $arc{_comment} .= "$_\n";
539
540 } elsif (/^\s*$/) {
541 #
542 } else {
543 warn "$path: unparsable line '$_' in arch $arc{_name}";
544 }
545 }
546
547 \%arc
548 };
549
550 while (<$fh>) {
551 s/\s+$//;
552 if (/^more$/i) {
553 $more = $prev;
554 } elsif (/^object (\S+)$/i) {
555 my $name = $1;
556 my $arc = attr_thaw normalize_object $parse_block->(_name => $name, _comment => $comment);
557 undef $comment;
558 delete $arc{_comment} unless length $arc{_comment};
559 $arc->{_atype} = 'object';
560
561 if ($more) {
562 $more->{more} = $arc;
563 } else {
564 $arc{$name} = $arc;
565 }
566 $prev = $arc;
567 $more = undef;
568 } elsif (/^arch (\S+)$/i) {
569 my $name = $1;
570 my $arc = attr_thaw normalize_arch $parse_block->(_name => $name, _comment => $comment);
571 undef $comment;
572 delete $arc{_comment} unless length $arc{_comment};
573 $arc->{_atype} = 'arch';
574
575 if ($more) {
576 $more->{more} = $arc;
577 } else {
578 push @{ $arc{arch} }, $arc;
579 }
580 $prev = $arc;
581 $more = undef;
582 } elsif ($toplevel && /^(\S+)\s+(.*)$/) {
583 if ($1 eq "lev_array") {
584 while (<$fh>) {
585 last if /^endplst\s*$/;
586 push @{$toplevel->{lev_array}}, $_+0;
587 }
588 } else {
589 $toplevel->{$1} = $2;
590 }
591 } elsif (/^\s*#/) {
592 $comment .= "$_\n";
593 } elsif (/^\s*($|#)/) {
594 #
595 } else {
596 die "$path: unparseable top-level line '$_'";
597 }
598 }
599
600 undef $parse_block; # work around bug in perl not freeing $fh etc.
601
602 \%arc
603 }
604
605 sub archlist_to_string {
606 my ($arch) = @_;
607
608 my $str;
609
610 my $append; $append = sub {
611 my %a = %{$_[0]};
612
613 Crossfire::attr_freeze \%a;
614 Crossfire::normalize_arch \%a;
615
616 # undo the bit-split we did before
617 if (exists $a{attack_movement_bits_0_3} or exists $a{attack_movement_bits_4_7}) {
618 $a{attack_movement} = (delete $a{attack_movement_bits_0_3})
619 | (delete $a{attack_movement_bits_4_7});
620 }
621
622 if (my $comment = delete $a{_comment}) {
623 if ($comment =~ /[^\n\s#]/) {
624 $str .= $comment;
625 }
626 }
627
628 $str .= ((exists $a{_atype}) ? $a{_atype} : 'arch'). " $a{_name}\n";
629
630 my $inv = delete $a{inventory};
631 my $more = delete $a{more}; # arches do not support 'more', but old maps can contain some
632 my $anim = delete $a{anim};
633
634 if ($a{_atype} eq 'object') {
635 $str .= join "\n", "anim", @$anim, "mina\n"
636 if $anim;
637 }
638
639 my @kv;
640
641 for ($a{_name} eq "map"
642 ? @Crossfire::FIELD_ORDER_MAP
643 : @Crossfire::FIELD_ORDER) {
644 push @kv, [$_, delete $a{$_}]
645 if exists $a{$_};
646 }
647
648 for (sort keys %a) {
649 next if /^_/; # ignore our _-keys
650 push @kv, [$_, delete $a{$_}];
651 }
652
653 for (@kv) {
654 my ($k, $v) = @$_;
655
656 if (my $end = $Crossfire::FIELD_MULTILINE{$k}) {
657 $v =~ s/\n$//;
658 $str .= "$k\n$v\n$end\n";
659 } else {
660 $str .= "$k $v\n";
661 }
662 }
663
664 if ($inv) {
665 $append->($_) for @$inv;
666 }
667
668 $str .= "end\n";
669
670 if ($a{_atype} eq 'object') {
671 if ($more) {
672 $str .= "more\n";
673 $append->($more) if $more;
674 } else {
675 $str .= "\n";
676 }
677 }
678 };
679
680 for (@$arch) {
681 $append->($_);
682 }
683
684 $str
685 }
686
687 # put all archs into a hash with editor_face as it's key
688 # NOTE: the arrays in the hash values are references to
689 # the archs from $ARCH
690 sub editor_archs {
691 my %paths;
692
693 for (keys %ARCH) {
694 my $arch = $ARCH{$_};
695 push @{$paths{$arch->{editor_folder}}}, $arch;
696 }
697
698 \%paths
699 }
700
701 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
702
703 arch_extents determines the extents of the given arch's face(s), linked
704 faces and single faces are handled here it returns (minx, miny, maxx,
705 maxy)
706
707 =cut
708
709 sub arch_extents {
710 my ($a) = @_;
711
712 my $o = $ARCH{$a->{_name}}
713 or return;
714
715 my $face = $FACE{$a->{face} || $o->{face} || "blank.111"};
716 unless ($face) {
717 $face = $FACE{"blank.x11"}
718 or (warn "no face data found for arch '$a->{_name}'"), return;
719 }
720
721 if ($face->{w} > 1 || $face->{h} > 1) {
722 # bigface
723 return (0, 0, $face->{w} - 1, $face->{h} - 1);
724
725 } elsif ($o->{more}) {
726 # linked face
727 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
728
729 for (; $o; $o = $o->{more}) {
730 $minx = min $minx, $o->{x};
731 $miny = min $miny, $o->{y};
732 $maxx = max $maxx, $o->{x};
733 $maxy = max $maxy, $o->{y};
734 }
735
736 return ($minx, $miny, $maxx, $maxy);
737
738 } else {
739 # single face
740 return (0, 0, 0, 0);
741 }
742 }
743
744 =item $type = arch_attr $arch
745
746 Returns a hashref describing the object and its attributes. It can contain
747 the following keys:
748
749 name the name, suitable for display purposes
750 ignore
751 attr
752 desc
753 use
754 section => [name => \%attr, name => \%attr]
755 import
756
757 =cut
758
759 sub arch_attr($) {
760 my ($obj) = @_;
761
762 require Crossfire::Data;
763
764 my $root;
765 my $attr = { };
766
767 my $arch = $ARCH{ $obj->{_name} };
768 my $type = $obj->{type} || $arch->{type};
769
770 if ($type > 0) {
771 $root = $Crossfire::Data::ATTR{$type};
772 } else {
773 my %a = (%$arch, %$obj);
774
775 if ($a{is_floor} && !$a{alive}) {
776 $root = $Crossfire::Data::TYPE{Floor};
777 } elsif (!$a{is_floor} && $a{alive} && !$a{tear_down}) {
778 $root = $Crossfire::Data::TYPE{"Monster & NPC"};
779 } elsif (!$a{is_floor} && !$a{alive} && $a{move_block}) {
780 $root = $Crossfire::Data::TYPE{Wall};
781 } elsif (!$a{is_floor} && $a{alive} && $a{tear_down}) {
782 $root = $Crossfire::Data::TYPE{"Weak Wall"};
783 } else {
784 $root = $Crossfire::Data::TYPE{Misc};
785 }
786 }
787
788 my @import = ($root);
789
790 unshift @import, \%Crossfire::Data::DEFAULT_ATTR
791 unless $type == 116;
792
793 my (%ignore);
794 my (@section_order, %section, @attr_order);
795
796 while (my $type = shift @import) {
797 push @import, @{$type->{import} || []};
798
799 $attr->{$_} ||= $type->{$_}
800 for qw(name desc use);
801
802 for (@{$type->{ignore} || []}) {
803 $ignore{$_}++ for ref $_ ? @$_ : $_;
804 }
805
806 for ([general => ($type->{attr} || [])], @{$type->{section} || []}) {
807 my ($name, $attr) = @$_;
808 push @section_order, $name;
809 for (@$attr) {
810 my ($k, $v) = @$_;
811 push @attr_order, $k;
812 $section{$name}{$k} ||= $v;
813 }
814 }
815 }
816
817 $attr->{section} = [
818 map !exists $section{$_} ? () : do {
819 my $attr = delete $section{$_};
820
821 [
822 $_,
823 map exists $attr->{$_} && !$ignore{$_}
824 ? [$_ => delete $attr->{$_}] : (),
825 @attr_order
826 ]
827 },
828
829 exists $section{$_} ? [$_ => delete $section{$_}] : (),
830 @section_order
831 ];
832
833 $attr
834 }
835
836 sub cache_file($$&&) {
837 my ($src, $cache, $load, $create) = @_;
838
839 my ($size, $mtime) = (stat $src)[7,9]
840 or Carp::croak "$src: $!";
841
842 if (-e $cache) {
843 my $ref = eval { load_ref $cache };
844
845 if ($ref->{version} == 1
846 && $ref->{size} == $size
847 && $ref->{mtime} == $mtime
848 && eval { $load->($ref->{data}); 1 }) {
849 return;
850 }
851 }
852
853 my $ref = {
854 version => 1,
855 size => $size,
856 mtime => $mtime,
857 data => $create->(),
858 };
859
860 $load->($ref->{data});
861
862 save_ref $ref, $cache;
863 }
864
865 =item set_libdir $path
866
867 Sets the library directory to the given path
868 (default: $ENV{CROSSFIRE_LIBDIR}).
869
870 You have to (re-)load the archetypes and tilecache manually after steting
871 the library path.
872
873 =cut
874
875 sub set_libdir($) {
876 $LIB = $_[0];
877 }
878
879 =item load_archetypes
880
881 (Re-)Load archetypes into %ARCH.
882
883 =cut
884
885 sub load_archetypes() {
886 cache_file "$LIB/archetypes", "$VARDIR/archetypes.pst", sub {
887 *ARCH = $_[0];
888 }, sub {
889 read_arch "$LIB/archetypes"
890 };
891 }
892
893 sub construct_tilecache_pb {
894 my ($idx, $cache) = @_;
895
896 my $pb = new Gtk2::Gdk::Pixbuf "rgb", 1, 8, 64 * TILESIZE, TILESIZE * int +($idx + 63) / 64;
897
898 while (my ($name, $tile) = each %$cache) {
899 my $tpb = delete $tile->{pb};
900 my $ofs = $tile->{idx};
901
902 for my $x (0 .. $tile->{w} - 1) {
903 for my $y (0 .. $tile->{h} - 1) {
904 my $idx = $ofs + $x + $y * $tile->{w};
905 $tpb->copy_area ($x * TILESIZE, $y * TILESIZE, TILESIZE, TILESIZE,
906 $pb, ($idx % 64) * TILESIZE, TILESIZE * int $idx / 64);
907 }
908 }
909 }
910
911 $pb->save ("$VARDIR/tilecache.png", "png", compression => 1);
912
913 $cache
914 }
915
916 sub use_tilecache {
917 my ($face) = @_;
918 $TILE = new_from_file Gtk2::Gdk::Pixbuf "$VARDIR/tilecache.png"
919 or die "$VARDIR/tilecache.png: $!";
920 *FACE = $_[0];
921 }
922
923 =item load_tilecache
924
925 (Re-)Load %TILE and %FACE.
926
927 =cut
928
929 sub load_tilecache() {
930 require Gtk2;
931
932 if (-e "$LIB/crossfire.0") { # Crossfire1 version
933 cache_file "$LIB/crossfire.0", "$VARDIR/tilecache.pst", \&use_tilecache,
934 sub {
935 my $tile = read_pak "$LIB/crossfire.0";
936
937 my %cache;
938
939 my $idx = 0;
940
941 for my $name (sort keys %$tile) {
942 my $pb = new Gtk2::Gdk::PixbufLoader;
943 $pb->write ($tile->{$name});
944 $pb->close;
945 my $pb = $pb->get_pixbuf;
946
947 my $tile = $cache{$name} = {
948 pb => $pb,
949 idx => $idx,
950 w => int $pb->get_width / TILESIZE,
951 h => int $pb->get_height / TILESIZE,
952 };
953
954 $idx += $tile->{w} * $tile->{h};
955 }
956
957 construct_tilecache_pb $idx, \%cache;
958
959 \%cache
960 };
961
962 } else { # Crossfire+ version
963 cache_file "$LIB/facedata", "$VARDIR/tilecache.pst", \&use_tilecache,
964 sub {
965 my %cache;
966 my $facedata = Storable::retrieve "$LIB/facedata";
967
968 $facedata->{version} == 2
969 or die "$LIB/facedata: version mismatch, cannot proceed.";
970
971 my $faces = $facedata->{faceinfo};
972 my $idx = 0;
973
974 for (sort keys %$faces) {
975 my ($face, $info) = ($_, $faces->{$_});
976
977 my $pb = new Gtk2::Gdk::PixbufLoader;
978 $pb->write ($info->{data32});
979 $pb->close;
980 my $pb = $pb->get_pixbuf;
981
982 my $tile = $cache{$face} = {
983 pb => $pb,
984 idx => $idx,
985 w => int $pb->get_width / TILESIZE,
986 h => int $pb->get_height / TILESIZE,
987 };
988
989 $idx += $tile->{w} * $tile->{h};
990 }
991
992 construct_tilecache_pb $idx, \%cache;
993
994 \%cache
995 };
996 }
997 }
998
999 =head1 AUTHOR
1000
1001 Marc Lehmann <schmorp@schmorp.de>
1002 http://home.schmorp.de/
1003
1004 Robin Redeker <elmex@ta-sa.org>
1005 http://www.ta-sa.org/
1006
1007 =cut
1008
1009 1