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/cvs/deliantra/Deliantra/Deliantra.pm
Revision: 1.95
Committed: Mon Mar 5 01:10:30 2007 UTC (17 years, 2 months ago) by root
Branch: MAIN
CVS Tags: rel-0_97, rel-2_0
Changes since 1.94: +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 = '0.97';
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 $TILE *FACE editor_archs arch_extents
22 );
23
24 use JSON::Syck (); #TODO#d# replace by JSON::PC when it becomes available == working
25
26 sub from_json($) {
27 $JSON::Syck::ImplicitUnicode = 1;
28 JSON::Syck::Load $_[0]
29 }
30
31 sub to_json($) {
32 $JSON::Syck::ImplicitUnicode = 0;
33 JSON::Syck::Dump $_[0]
34 }
35
36 our $LIB = $ENV{CROSSFIRE_LIBDIR};
37
38 our $VARDIR = $ENV{HOME} ? "$ENV{HOME}/.crossfire"
39 : $ENV{AppData} ? "$ENV{APPDATA}/crossfire"
40 : File::Spec->tmpdir . "/crossfire";
41
42 mkdir $VARDIR, 0777;
43
44 sub TILESIZE (){ 32 }
45
46 our %ARCH;
47 our %FACE;
48 our $TILE;
49
50 our %FIELD_MULTILINE = (
51 msg => "endmsg",
52 lore => "endlore",
53 maplore => "endmaplore",
54 );
55
56 # movement bit type, PITA
57 our %FIELD_MOVEMENT = map +($_ => undef),
58 qw(move_type move_block move_allow move_on move_off move_slow);
59
60 # same as in server save routine, to (hopefully) be compatible
61 # to the other editors.
62 our @FIELD_ORDER_MAP = (qw(
63 file_format_version
64 name attach swap_time reset_timeout fixed_resettime difficulty region
65 shopitems shopgreed shopmin shopmax shoprace
66 darkness width height enter_x enter_y msg maplore
67 unique template
68 outdoor temp pressure humid windspeed winddir sky nosmooth
69 tile_path_1 tile_path_2 tile_path_3 tile_path_4
70 ));
71
72 our @FIELD_ORDER = (qw(
73 elevation
74
75 name name_pl custom_name attach title race
76 slaying skill msg lore other_arch face
77 #todo-events
78 animation is_animated
79 str dex con wis pow cha int
80 hp maxhp sp maxsp grace maxgrace
81 exp perm_exp expmul
82 food dam luck wc ac x y speed speed_left move_state attack_movement
83 nrof level direction type subtype attacktype
84
85 resist_physical resist_magic resist_fire resist_electricity
86 resist_cold resist_confusion resist_acid resist_drain
87 resist_weaponmagic resist_ghosthit resist_poison resist_slow
88 resist_paralyze resist_turn_undead resist_fear resist_cancellation
89 resist_deplete resist_death resist_chaos resist_counterspell
90 resist_godpower resist_holyword resist_blind resist_internal
91 resist_life_stealing resist_disease
92
93 path_attuned path_repelled path_denied material materialname
94 value carrying weight invisible state magic
95 last_heal last_sp last_grace last_eat
96 connected glow_radius randomitems npx_status npc_program
97 run_away pick_up container will_apply smoothlevel
98 current_weapon_script weapontype tooltype elevation client_type
99 item_power duration range
100 range_modifier duration_modifier dam_modifier gen_sp_armour
101 move_type move_block move_allow move_on move_off move_on move_slow move_slow_penalty
102
103 alive wiz was_wiz applied unpaid can_use_shield no_pick is_animated monster
104 friendly generator is_thrown auto_apply treasure player sold see_invisible
105 can_roll overlay_floor is_turnable is_used_up identified reflecting changing
106 splitting hitback startequip blocksview undead scared unaggressive
107 reflect_missile reflect_spell no_magic no_fix_player is_lightable tear_down
108 run_away pick_up unique no_drop can_cast_spell can_use_scroll can_use_range
109 can_use_bow can_use_armour can_use_weapon can_use_ring has_ready_range
110 has_ready_bow xrays is_floor lifesave no_strength sleep stand_still
111 random_move only_attack confused stealth cursed damned see_anywhere
112 known_magical known_cursed can_use_skill been_applied has_ready_scroll
113 can_use_rod can_use_horn make_invisible inv_locked is_wooded is_hilly
114 has_ready_skill has_ready_weapon no_skill_ident is_blind can_see_in_dark
115 is_cauldron is_dust no_steal one_hit berserk neutral no_attack no_damage
116 activate_on_push activate_on_release is_water use_content_on_gen is_buildable
117
118 body_range body_arm body_torso body_head body_neck body_skill
119 body_finger body_shoulder body_foot body_hand body_wrist body_waist
120 ));
121
122 our %EVENT_TYPE = (
123 apply => 1,
124 attack => 2,
125 death => 3,
126 drop => 4,
127 pickup => 5,
128 say => 6,
129 stop => 7,
130 time => 8,
131 throw => 9,
132 trigger => 10,
133 close => 11,
134 timer => 12,
135 );
136
137 sub MOVE_WALK (){ 0x01 }
138 sub MOVE_FLY_LOW (){ 0x02 }
139 sub MOVE_FLY_HIGH (){ 0x04 }
140 sub MOVE_FLYING (){ 0x06 }
141 sub MOVE_SWIM (){ 0x08 }
142 sub MOVE_BOAT (){ 0x10 }
143 sub MOVE_KNOWN (){ 0x1f } # all of above
144 sub MOVE_ALL (){ 0x10000 } # very special value
145
146 our %MOVE_TYPE = (
147 walk => MOVE_WALK,
148 fly_low => MOVE_FLY_LOW,
149 fly_high => MOVE_FLY_HIGH,
150 flying => MOVE_FLYING,
151 swim => MOVE_SWIM,
152 boat => MOVE_BOAT,
153 all => MOVE_ALL,
154 );
155
156 our @MOVE_TYPE = qw(all walk flying fly_low fly_high swim boat);
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 # nuke outdated or never supported fields
358 delete @$ob{qw(
359 can_knockback can_parry can_impale can_cut can_dam_armour
360 can_apply pass_thru can_pass_thru
361 )};
362
363 if (my $mask = delete $ob->{immune} ) { _add_resist $ob, $mask, 100; }
364 if (my $mask = delete $ob->{protected} ) { _add_resist $ob, $mask, 30; }
365 if (my $mask = delete $ob->{vulnerable}) { _add_resist $ob, $mask, -100; }
366
367 # convert movement strings to bitsets
368 for my $attr (keys %FIELD_MOVEMENT) {
369 next unless exists $ob->{$attr};
370
371 $ob->{$attr} = new Crossfire::MoveType $ob->{$attr};
372 }
373
374 # convert outdated movement flags to new movement sets
375 if (defined (my $v = delete $ob->{no_pass})) {
376 $ob->{move_block} = new Crossfire::MoveType $v ? "all" : "";
377 }
378 if (defined (my $v = delete $ob->{slow_move})) {
379 $ob->{move_slow} += "walk";
380 $ob->{move_slow_penalty} = $v;
381 }
382 if (defined (my $v = delete $ob->{walk_on})) {
383 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "walk" } else { $ob->{move_on} -= "walk" }
384 }
385 if (defined (my $v = delete $ob->{walk_off})) {
386 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "walk" } else { $ob->{move_off} -= "walk" }
387 }
388 if (defined (my $v = delete $ob->{fly_on})) {
389 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "fly_low" } else { $ob->{move_on} -= "fly_low" }
390 }
391 if (defined (my $v = delete $ob->{fly_off})) {
392 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "fly_low" } else { $ob->{move_off} -= "fly_low" }
393 }
394 if (defined (my $v = delete $ob->{flying})) {
395 $ob->{move_type} ||= new Crossfire::MoveType; if ($v) { $ob->{move_type} += "fly_low" } else { $ob->{move_type} -= "fly_low" }
396 }
397
398 # convert idiotic event_xxx things into objects
399 while (my ($event, $subtype) = each %EVENT_TYPE) {
400 if (exists $ob->{"event_${event}_plugin"}) {
401 push @{$ob->{inventory}}, {
402 _name => "event_$event",
403 title => delete $ob->{"event_${event}_plugin"},
404 slaying => delete $ob->{"event_${event}"},
405 name => delete $ob->{"event_${event}_options"},
406 };
407 }
408 }
409
410 # some archetypes had "+3" instead of the canonical "3", so fix
411 $ob->{dam} *= 1 if exists $ob->{dam};
412
413 $ob
414 }
415
416 # arch as in "arch xxx", ie.. objects
417 sub normalize_arch($) {
418 my ($ob) = @_;
419
420 normalize_object $ob;
421
422 my $arch = $ARCH{$ob->{_name}}
423 or (warn "$ob->{_name}: no such archetype", return $ob);
424
425 if ($arch->{type} == 22) { # map
426 my %normalize = (
427 "enter_x" => "hp",
428 "enter_y" => "sp",
429 "width" => "x",
430 "height" => "y",
431 "reset_timeout" => "weight",
432 "swap_time" => "value",
433 "difficulty" => "level",
434 "darkness" => "invisible",
435 "fixed_resettime" => "stand_still",
436 );
437
438 while (my ($k2, $k1) = each %normalize) {
439 if (defined (my $v = delete $ob->{$k1})) {
440 $ob->{$k2} = $v;
441 }
442 }
443 } else {
444 # if value matches archetype default, delete
445 while (my ($k, $v) = each %$ob) {
446 if (exists $arch->{$k} and $arch->{$k} eq $v) {
447 next if $k eq "_name";
448 delete $ob->{$k};
449 }
450 }
451 }
452
453 # a speciality for the editor
454 if (exists $ob->{attack_movement}) {
455 my $am = delete $ob->{attack_movement};
456 $ob->{attack_movement_bits_0_3} = $am & 15;
457 $ob->{attack_movement_bits_4_7} = $am & 240;
458 }
459
460 $ob
461 }
462
463 sub attr_thaw($) {
464 my ($ob) = @_;
465
466 $ob->{attach} = from_json $ob->{attach}
467 if exists $ob->{attach};
468
469 $ob
470 }
471
472 sub attr_freeze($) {
473 my ($ob) = @_;
474
475 $ob->{attach} = Crossfire::to_json $ob->{attach}
476 if exists $ob->{attach};
477
478 $ob
479 }
480
481 sub read_pak($) {
482 my ($path) = @_;
483
484 my %pak;
485
486 open my $fh, "<:raw:perlio", $path
487 or Carp::croak "$_[0]: $!";
488 binmode $fh;
489 while (<$fh>) {
490 my ($type, $id, $len, $path) = split;
491 $path =~ s/.*\///;
492 read $fh, $pak{$path}, $len;
493 }
494
495 \%pak
496 }
497
498 sub read_arch($;$) {
499 my ($path, $toplevel) = @_;
500
501 my %arc;
502 my ($more, $prev);
503 my $comment;
504
505 open my $fh, "<:raw:perlio:utf8", $path
506 or Carp::croak "$path: $!";
507
508 # binmode $fh;
509
510 my $parse_block; $parse_block = sub {
511 my %arc = @_;
512
513 while (<$fh>) {
514 s/\s+$//;
515 if (/^end$/i) {
516 last;
517
518 } elsif (/^arch (\S+)$/i) {
519 push @{ $arc{inventory} }, attr_thaw normalize_arch $parse_block->(_name => $1);
520
521 } elsif (/^lore$/i) {
522 while (<$fh>) {
523 last if /^endlore\s*$/i;
524 $arc{lore} .= $_;
525 }
526 } elsif (/^msg$/i) {
527 while (<$fh>) {
528 last if /^endmsg\s*$/i;
529 $arc{msg} .= $_;
530 }
531 } elsif (/^anim$/i) {
532 while (<$fh>) {
533 last if /^mina\s*$/i;
534 chomp;
535 push @{ $arc{anim} }, $_;
536 }
537 } elsif (/^(\S+)\s*(.*)$/) {
538 $arc{lc $1} = $2;
539 } elsif (/^\s*#/) {
540 $arc{_comment} .= "$_\n";
541
542 } elsif (/^\s*$/) {
543 #
544 } else {
545 warn "$path: unparsable line '$_' in arch $arc{_name}";
546 }
547 }
548
549 \%arc
550 };
551
552 while (<$fh>) {
553 s/\s+$//;
554 if (/^more$/i) {
555 $more = $prev;
556 } elsif (/^object (\S+)$/i) {
557 my $name = $1;
558 my $arc = attr_thaw normalize_object $parse_block->(_name => $name, _comment => $comment);
559 undef $comment;
560 delete $arc{_comment} unless length $arc{_comment};
561 $arc->{_atype} = 'object';
562
563 if ($more) {
564 $more->{more} = $arc;
565 } else {
566 $arc{$name} = $arc;
567 }
568 $prev = $arc;
569 $more = undef;
570 } elsif (/^arch (\S+)$/i) {
571 my $name = $1;
572 my $arc = attr_thaw normalize_arch $parse_block->(_name => $name, _comment => $comment);
573 undef $comment;
574 delete $arc{_comment} unless length $arc{_comment};
575 $arc->{_atype} = 'arch';
576
577 if ($more) {
578 $more->{more} = $arc;
579 } else {
580 push @{ $arc{arch} }, $arc;
581 }
582 $prev = $arc;
583 $more = undef;
584 } elsif ($toplevel && /^(\S+)\s+(.*)$/) {
585 if ($1 eq "lev_array") {
586 while (<$fh>) {
587 last if /^endplst\s*$/;
588 push @{$toplevel->{lev_array}}, $_+0;
589 }
590 } else {
591 $toplevel->{$1} = $2;
592 }
593 } elsif (/^\s*#/) {
594 $comment .= "$_\n";
595 } elsif (/^\s*($|#)/) {
596 #
597 } else {
598 die "$path: unparseable top-level line '$_'";
599 }
600 }
601
602 undef $parse_block; # work around bug in perl not freeing $fh etc.
603
604 \%arc
605 }
606
607 sub archlist_to_string {
608 my ($arch) = @_;
609
610 my $str;
611
612 my $append; $append = sub {
613 my %a = %{$_[0]};
614
615 Crossfire::attr_freeze \%a;
616 Crossfire::normalize_arch \%a;
617
618 # undo the bit-split we did before
619 if (exists $a{attack_movement_bits_0_3} or exists $a{attack_movement_bits_4_7}) {
620 $a{attack_movement} = (delete $a{attack_movement_bits_0_3})
621 | (delete $a{attack_movement_bits_4_7});
622 }
623
624 if (my $comment = delete $a{_comment}) {
625 if ($comment =~ /[^\n\s#]/) {
626 $str .= $comment;
627 }
628 }
629
630 $str .= ((exists $a{_atype}) ? $a{_atype} : 'arch'). " $a{_name}\n";
631
632 my $inv = delete $a{inventory};
633 my $more = delete $a{more}; # arches do not support 'more', but old maps can contain some
634 my $anim = delete $a{anim};
635
636 if ($a{_atype} eq 'object') {
637 $str .= join "\n", "anim", @$anim, "mina\n"
638 if $anim;
639 }
640
641 my @kv;
642
643 for ($a{_name} eq "map"
644 ? @Crossfire::FIELD_ORDER_MAP
645 : @Crossfire::FIELD_ORDER) {
646 push @kv, [$_, delete $a{$_}]
647 if exists $a{$_};
648 }
649
650 for (sort keys %a) {
651 next if /^_/; # ignore our _-keys
652 push @kv, [$_, delete $a{$_}];
653 }
654
655 for (@kv) {
656 my ($k, $v) = @$_;
657
658 if (my $end = $Crossfire::FIELD_MULTILINE{$k}) {
659 $v =~ s/\n$//;
660 $str .= "$k\n$v\n$end\n";
661 } else {
662 $str .= "$k $v\n";
663 }
664 }
665
666 if ($inv) {
667 $append->($_) for @$inv;
668 }
669
670 $str .= "end\n";
671
672 if ($a{_atype} eq 'object') {
673 if ($more) {
674 $str .= "more\n";
675 $append->($more) if $more;
676 } else {
677 $str .= "\n";
678 }
679 }
680 };
681
682 for (@$arch) {
683 $append->($_);
684 }
685
686 $str
687 }
688
689 # put all archs into a hash with editor_face as it's key
690 # NOTE: the arrays in the hash values are references to
691 # the archs from $ARCH
692 sub editor_archs {
693 my %paths;
694
695 for (keys %ARCH) {
696 my $arch = $ARCH{$_};
697 push @{$paths{$arch->{editor_folder}}}, $arch;
698 }
699
700 \%paths
701 }
702
703 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
704
705 arch_extents determines the extents of the given arch's face(s), linked
706 faces and single faces are handled here it returns (minx, miny, maxx,
707 maxy)
708
709 =cut
710
711 sub arch_extents {
712 my ($a) = @_;
713
714 my $o = $ARCH{$a->{_name}}
715 or return;
716
717 my $face = $FACE{$a->{face} || $o->{face} || "blank.111"};
718 unless ($face) {
719 $face = $FACE{"blank.x11"}
720 or (warn "no face data found for arch '$a->{_name}'"), return;
721 }
722
723 if ($face->{w} > 1 || $face->{h} > 1) {
724 # bigface
725 return (0, 0, $face->{w} - 1, $face->{h} - 1);
726
727 } elsif ($o->{more}) {
728 # linked face
729 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
730
731 for (; $o; $o = $o->{more}) {
732 $minx = min $minx, $o->{x};
733 $miny = min $miny, $o->{y};
734 $maxx = max $maxx, $o->{x};
735 $maxy = max $maxy, $o->{y};
736 }
737
738 return ($minx, $miny, $maxx, $maxy);
739
740 } else {
741 # single face
742 return (0, 0, 0, 0);
743 }
744 }
745
746 =item $type = arch_attr $arch
747
748 Returns a hashref describing the object and its attributes. It can contain
749 the following keys:
750
751 name the name, suitable for display purposes
752 ignore
753 attr
754 desc
755 use
756 section => [name => \%attr, name => \%attr]
757 import
758
759 =cut
760
761 sub arch_attr($) {
762 my ($obj) = @_;
763
764 require Crossfire::Data;
765
766 my $root;
767 my $attr = { };
768
769 my $arch = $ARCH{ $obj->{_name} };
770 my $type = $obj->{type} || $arch->{type};
771
772 if ($type > 0) {
773 $root = $Crossfire::Data::ATTR{$type};
774 } else {
775 my %a = (%$arch, %$obj);
776
777 if ($a{is_floor} && !$a{alive}) {
778 $root = $Crossfire::Data::TYPE{Floor};
779 } elsif (!$a{is_floor} && $a{alive} && !$a{tear_down}) {
780 $root = $Crossfire::Data::TYPE{"Monster & NPC"};
781 } elsif (!$a{is_floor} && !$a{alive} && $a{move_block}) {
782 $root = $Crossfire::Data::TYPE{Wall};
783 } elsif (!$a{is_floor} && $a{alive} && $a{tear_down}) {
784 $root = $Crossfire::Data::TYPE{"Weak Wall"};
785 } else {
786 $root = $Crossfire::Data::TYPE{Misc};
787 }
788 }
789
790 my @import = ($root);
791
792 unshift @import, \%Crossfire::Data::DEFAULT_ATTR
793 unless $type == 116;
794
795 my (%ignore);
796 my (@section_order, %section, @attr_order);
797
798 while (my $type = shift @import) {
799 push @import, @{$type->{import} || []};
800
801 $attr->{$_} ||= $type->{$_}
802 for qw(name desc use);
803
804 for (@{$type->{ignore} || []}) {
805 $ignore{$_}++ for ref $_ ? @$_ : $_;
806 }
807
808 for ([general => ($type->{attr} || [])], @{$type->{section} || []}) {
809 my ($name, $attr) = @$_;
810 push @section_order, $name;
811 for (@$attr) {
812 my ($k, $v) = @$_;
813 push @attr_order, $k;
814 $section{$name}{$k} ||= $v;
815 }
816 }
817 }
818
819 $attr->{section} = [
820 map !exists $section{$_} ? () : do {
821 my $attr = delete $section{$_};
822
823 [
824 $_,
825 map exists $attr->{$_} && !$ignore{$_}
826 ? [$_ => delete $attr->{$_}] : (),
827 @attr_order
828 ]
829 },
830
831 exists $section{$_} ? [$_ => delete $section{$_}] : (),
832 @section_order
833 ];
834
835 $attr
836 }
837
838 sub cache_file($$&&) {
839 my ($src, $cache, $load, $create) = @_;
840
841 my ($size, $mtime) = (stat $src)[7,9]
842 or Carp::croak "$src: $!";
843
844 if (-e $cache) {
845 my $ref = eval { load_ref $cache };
846
847 if ($ref->{version} == 1
848 && $ref->{size} == $size
849 && $ref->{mtime} == $mtime
850 && eval { $load->($ref->{data}); 1 }) {
851 return;
852 }
853 }
854
855 my $ref = {
856 version => 1,
857 size => $size,
858 mtime => $mtime,
859 data => $create->(),
860 };
861
862 $load->($ref->{data});
863
864 save_ref $ref, $cache;
865 }
866
867 =item set_libdir $path
868
869 Sets the library directory to the given path
870 (default: $ENV{CROSSFIRE_LIBDIR}).
871
872 You have to (re-)load the archetypes and tilecache manually after steting
873 the library path.
874
875 =cut
876
877 sub set_libdir($) {
878 $LIB = $_[0];
879 }
880
881 =item load_archetypes
882
883 (Re-)Load archetypes into %ARCH.
884
885 =cut
886
887 sub load_archetypes() {
888 cache_file "$LIB/archetypes", "$VARDIR/archetypes.pst", sub {
889 *ARCH = $_[0];
890 }, sub {
891 read_arch "$LIB/archetypes"
892 };
893 }
894
895 =item load_tilecache
896
897 (Re-)Load %TILE and %FACE.
898
899 =cut
900
901 sub load_tilecache() {
902 require Gtk2;
903
904 cache_file "$LIB/crossfire.0", "$VARDIR/tilecache.pst", sub {
905 $TILE = new_from_file Gtk2::Gdk::Pixbuf "$VARDIR/tilecache.png"
906 or die "$VARDIR/tilecache.png: $!";
907 *FACE = $_[0];
908 }, sub {
909 my $tile = read_pak "$LIB/crossfire.0";
910
911 my %cache;
912
913 my $idx = 0;
914
915 for my $name (sort keys %$tile) {
916 my $pb = new Gtk2::Gdk::PixbufLoader;
917 $pb->write ($tile->{$name});
918 $pb->close;
919 my $pb = $pb->get_pixbuf;
920
921 my $tile = $cache{$name} = {
922 pb => $pb,
923 idx => $idx,
924 w => int $pb->get_width / TILESIZE,
925 h => int $pb->get_height / TILESIZE,
926 };
927
928
929 $idx += $tile->{w} * $tile->{h};
930 }
931
932 my $pb = new Gtk2::Gdk::Pixbuf "rgb", 1, 8, 64 * TILESIZE, TILESIZE * int +($idx + 63) / 64;
933
934 while (my ($name, $tile) = each %cache) {
935 my $tpb = delete $tile->{pb};
936 my $ofs = $tile->{idx};
937
938 for my $x (0 .. $tile->{w} - 1) {
939 for my $y (0 .. $tile->{h} - 1) {
940 my $idx = $ofs + $x + $y * $tile->{w};
941 $tpb->copy_area ($x * TILESIZE, $y * TILESIZE, TILESIZE, TILESIZE,
942 $pb, ($idx % 64) * TILESIZE, TILESIZE * int $idx / 64);
943 }
944 }
945 }
946
947 $pb->save ("$VARDIR/tilecache.png", "png", compression => 1);
948
949 \%cache
950 };
951 }
952
953 =head1 AUTHOR
954
955 Marc Lehmann <schmorp@schmorp.de>
956 http://home.schmorp.de/
957
958 Robin Redeker <elmex@ta-sa.org>
959 http://www.ta-sa.org/
960
961 =cut
962
963 1