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/cvs/deliantra/Deliantra/Deliantra.pm
Revision: 1.92
Committed: Sat Mar 3 19:32:00 2007 UTC (17 years, 2 months ago) by root
Branch: MAIN
Changes since 1.91: +12 -7 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 = '0.96';
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 '""' => \&as_string,
163 '>=' => sub { $_[0][0] & $MOVE_TYPE{$_[1]} ? $_[0][1] & $MOVE_TYPE{$_[1]} : undef },
164 '+=' => sub { $_[0][0] |= $MOVE_TYPE{$_[1]}; $_[0][1] |= $MOVE_TYPE{$_[1]}; &normalise },
165 '-=' => sub { $_[0][0] |= $MOVE_TYPE{$_[1]}; $_[0][1] &= ~$MOVE_TYPE{$_[1]}; &normalise },
166 '/=' => sub { $_[0][0] &= ~$MOVE_TYPE{$_[1]}; &normalise },
167 'x=' => sub {
168 my $cur = $_[0] >= $_[1];
169 if (!defined $cur) {
170 $_[0] += $_[1];
171 } elsif ($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 # nuke outdated or never supported fields
353 delete @$ob{qw(
354 can_knockback can_parry can_impale can_cut can_dam_armour
355 can_apply pass_thru can_pass_thru
356 )};
357
358 if (my $mask = delete $ob->{immune} ) { _add_resist $ob, $mask, 100; }
359 if (my $mask = delete $ob->{protected} ) { _add_resist $ob, $mask, 30; }
360 if (my $mask = delete $ob->{vulnerable}) { _add_resist $ob, $mask, -100; }
361
362 # convert movement strings to bitsets
363 for my $attr (keys %FIELD_MOVEMENT) {
364 next unless exists $ob->{$attr};
365
366 $ob->{$attr} = new Crossfire::MoveType $ob->{$attr};
367 }
368
369 # convert outdated movement flags to new movement sets
370 if (defined (my $v = delete $ob->{no_pass})) {
371 $ob->{move_block} = new Crossfire::MoveType $v ? "all" : "";
372 }
373 if (defined (my $v = delete $ob->{slow_move})) {
374 $ob->{move_slow} += "walk";
375 $ob->{move_slow_penalty} = $v;
376 }
377 if (defined (my $v = delete $ob->{walk_on})) {
378 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "walk" } else { $ob->{move_on} -= "walk" }
379 }
380 if (defined (my $v = delete $ob->{walk_off})) {
381 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "walk" } else { $ob->{move_off} -= "walk" }
382 }
383 if (defined (my $v = delete $ob->{fly_on})) {
384 $ob->{move_on} ||= new Crossfire::MoveType; if ($v) { $ob->{move_on} += "fly_low" } else { $ob->{move_on} -= "fly_low" }
385 }
386 if (defined (my $v = delete $ob->{fly_off})) {
387 $ob->{move_off} ||= new Crossfire::MoveType; if ($v) { $ob->{move_off} += "fly_low" } else { $ob->{move_off} -= "fly_low" }
388 }
389 if (defined (my $v = delete $ob->{flying})) {
390 $ob->{move_type} ||= new Crossfire::MoveType; if ($v) { $ob->{move_type} += "fly_low" } else { $ob->{move_type} -= "fly_low" }
391 }
392
393 # convert idiotic event_xxx things into objects
394 while (my ($event, $subtype) = each %EVENT_TYPE) {
395 if (exists $ob->{"event_${event}_plugin"}) {
396 push @{$ob->{inventory}}, {
397 _name => "event_$event",
398 title => delete $ob->{"event_${event}_plugin"},
399 slaying => delete $ob->{"event_${event}"},
400 name => delete $ob->{"event_${event}_options"},
401 };
402 }
403 }
404
405 # some archetypes had "+3" instead of the canonical "3", so fix
406 $ob->{dam} *= 1 if exists $ob->{dam};
407
408 $ob
409 }
410
411 # arch as in "arch xxx", ie.. objects
412 sub normalize_arch($) {
413 my ($ob) = @_;
414
415 normalize_object $ob;
416
417 my $arch = $ARCH{$ob->{_name}}
418 or (warn "$ob->{_name}: no such archetype", return $ob);
419
420 if ($arch->{type} == 22) { # map
421 my %normalize = (
422 "enter_x" => "hp",
423 "enter_y" => "sp",
424 "width" => "x",
425 "height" => "y",
426 "reset_timeout" => "weight",
427 "swap_time" => "value",
428 "difficulty" => "level",
429 "darkness" => "invisible",
430 "fixed_resettime" => "stand_still",
431 );
432
433 while (my ($k2, $k1) = each %normalize) {
434 if (defined (my $v = delete $ob->{$k1})) {
435 $ob->{$k2} = $v;
436 }
437 }
438 } else {
439 # if value matches archetype default, delete
440 while (my ($k, $v) = each %$ob) {
441 if (exists $arch->{$k} and $arch->{$k} eq $v) {
442 next if $k eq "_name";
443 delete $ob->{$k};
444 }
445 }
446 }
447
448 # a speciality for the editor
449 if (exists $ob->{attack_movement}) {
450 my $am = delete $ob->{attack_movement};
451 $ob->{attack_movement_bits_0_3} = $am & 15;
452 $ob->{attack_movement_bits_4_7} = $am & 240;
453 }
454
455 $ob
456 }
457
458 sub attr_thaw($) {
459 my ($ob) = @_;
460
461 $ob->{attach} = from_json $ob->{attach}
462 if exists $ob->{attach};
463
464 $ob
465 }
466
467 sub attr_freeze($) {
468 my ($ob) = @_;
469
470 $ob->{attach} = Crossfire::to_json $ob->{attach}
471 if exists $ob->{attach};
472
473 $ob
474 }
475
476 sub read_pak($) {
477 my ($path) = @_;
478
479 my %pak;
480
481 open my $fh, "<:raw:perlio", $path
482 or Carp::croak "$_[0]: $!";
483 binmode $fh;
484 while (<$fh>) {
485 my ($type, $id, $len, $path) = split;
486 $path =~ s/.*\///;
487 read $fh, $pak{$path}, $len;
488 }
489
490 \%pak
491 }
492
493 sub read_arch($;$) {
494 my ($path, $toplevel) = @_;
495
496 my %arc;
497 my ($more, $prev);
498 my $comment;
499
500 open my $fh, "<:raw:perlio:utf8", $path
501 or Carp::croak "$path: $!";
502
503 # binmode $fh;
504
505 my $parse_block; $parse_block = sub {
506 my %arc = @_;
507
508 while (<$fh>) {
509 s/\s+$//;
510 if (/^end$/i) {
511 last;
512
513 } elsif (/^arch (\S+)$/i) {
514 push @{ $arc{inventory} }, attr_thaw normalize_arch $parse_block->(_name => $1);
515
516 } elsif (/^lore$/i) {
517 while (<$fh>) {
518 last if /^endlore\s*$/i;
519 $arc{lore} .= $_;
520 }
521 } elsif (/^msg$/i) {
522 while (<$fh>) {
523 last if /^endmsg\s*$/i;
524 $arc{msg} .= $_;
525 }
526 } elsif (/^anim$/i) {
527 while (<$fh>) {
528 last if /^mina\s*$/i;
529 chomp;
530 push @{ $arc{anim} }, $_;
531 }
532 } elsif (/^(\S+)\s*(.*)$/) {
533 $arc{lc $1} = $2;
534 } elsif (/^\s*#/) {
535 $arc{_comment} .= "$_\n";
536
537 } elsif (/^\s*$/) {
538 #
539 } else {
540 warn "$path: unparsable line '$_' in arch $arc{_name}";
541 }
542 }
543
544 \%arc
545 };
546
547 while (<$fh>) {
548 s/\s+$//;
549 if (/^more$/i) {
550 $more = $prev;
551 } elsif (/^object (\S+)$/i) {
552 my $name = $1;
553 my $arc = attr_thaw normalize_object $parse_block->(_name => $name, _comment => $comment);
554 undef $comment;
555 delete $arc{_comment} unless length $arc{_comment};
556 $arc->{_atype} = 'object';
557
558 if ($more) {
559 $more->{more} = $arc;
560 } else {
561 $arc{$name} = $arc;
562 }
563 $prev = $arc;
564 $more = undef;
565 } elsif (/^arch (\S+)$/i) {
566 my $name = $1;
567 my $arc = attr_thaw normalize_arch $parse_block->(_name => $name, _comment => $comment);
568 undef $comment;
569 delete $arc{_comment} unless length $arc{_comment};
570 $arc->{_atype} = 'arch';
571
572 if ($more) {
573 $more->{more} = $arc;
574 } else {
575 push @{ $arc{arch} }, $arc;
576 }
577 $prev = $arc;
578 $more = undef;
579 } elsif ($toplevel && /^(\S+)\s+(.*)$/) {
580 if ($1 eq "lev_array") {
581 while (<$fh>) {
582 last if /^endplst\s*$/;
583 push @{$toplevel->{lev_array}}, $_+0;
584 }
585 } else {
586 $toplevel->{$1} = $2;
587 }
588 } elsif (/^\s*#/) {
589 $comment .= "$_\n";
590 } elsif (/^\s*($|#)/) {
591 #
592 } else {
593 die "$path: unparseable top-level line '$_'";
594 }
595 }
596
597 undef $parse_block; # work around bug in perl not freeing $fh etc.
598
599 \%arc
600 }
601
602 sub archlist_to_string {
603 my ($arch) = @_;
604
605 my $str;
606
607 my $append; $append = sub {
608 my %a = %{$_[0]};
609
610 Crossfire::attr_freeze \%a;
611 Crossfire::normalize_arch \%a;
612
613 # undo the bit-split we did before
614 if (exists $a{attack_movement_bits_0_3} or exists $a{attack_movement_bits_4_7}) {
615 $a{attack_movement} = (delete $a{attack_movement_bits_0_3})
616 | (delete $a{attack_movement_bits_4_7});
617 }
618
619 if (my $comment = delete $a{_comment}) {
620 if ($comment =~ /[^\n\s#]/) {
621 $str .= $comment;
622 }
623 }
624
625 $str .= ((exists $a{_atype}) ? $a{_atype} : 'arch'). " $a{_name}\n";
626
627 my $inv = delete $a{inventory};
628 my $more = delete $a{more}; # arches do not support 'more', but old maps can contain some
629 my $anim = delete $a{anim};
630
631 if ($a{_atype} eq 'object') {
632 $str .= join "\n", "anim", @$anim, "mina\n"
633 if $anim;
634 }
635
636 my @kv;
637
638 for ($a{_name} eq "map"
639 ? @Crossfire::FIELD_ORDER_MAP
640 : @Crossfire::FIELD_ORDER) {
641 push @kv, [$_, delete $a{$_}]
642 if exists $a{$_};
643 }
644
645 for (sort keys %a) {
646 next if /^_/; # ignore our _-keys
647 push @kv, [$_, delete $a{$_}];
648 }
649
650 for (@kv) {
651 my ($k, $v) = @$_;
652
653 if (my $end = $Crossfire::FIELD_MULTILINE{$k}) {
654 $v =~ s/\n$//;
655 $str .= "$k\n$v\n$end\n";
656 } else {
657 $str .= "$k $v\n";
658 }
659 }
660
661 if ($inv) {
662 $append->($_) for @$inv;
663 }
664
665 $str .= "end\n";
666
667 if ($a{_atype} eq 'object') {
668 if ($more) {
669 $str .= "more\n";
670 $append->($more) if $more;
671 } else {
672 $str .= "\n";
673 }
674 }
675 };
676
677 for (@$arch) {
678 $append->($_);
679 }
680
681 $str
682 }
683
684 # put all archs into a hash with editor_face as it's key
685 # NOTE: the arrays in the hash values are references to
686 # the archs from $ARCH
687 sub editor_archs {
688 my %paths;
689
690 for (keys %ARCH) {
691 my $arch = $ARCH{$_};
692 push @{$paths{$arch->{editor_folder}}}, $arch;
693 }
694
695 \%paths
696 }
697
698 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
699
700 arch_extents determines the extents of the given arch's face(s), linked
701 faces and single faces are handled here it returns (minx, miny, maxx,
702 maxy)
703
704 =cut
705
706 sub arch_extents {
707 my ($a) = @_;
708
709 my $o = $ARCH{$a->{_name}}
710 or return;
711
712 my $face = $FACE{$a->{face} || $o->{face} || "blank.111"};
713 unless ($face) {
714 $face = $FACE{"blank.x11"}
715 or (warn "no face data found for arch '$a->{_name}'"), return;
716 }
717
718 if ($face->{w} > 1 || $face->{h} > 1) {
719 # bigface
720 return (0, 0, $face->{w} - 1, $face->{h} - 1);
721
722 } elsif ($o->{more}) {
723 # linked face
724 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
725
726 for (; $o; $o = $o->{more}) {
727 $minx = min $minx, $o->{x};
728 $miny = min $miny, $o->{y};
729 $maxx = max $maxx, $o->{x};
730 $maxy = max $maxy, $o->{y};
731 }
732
733 return ($minx, $miny, $maxx, $maxy);
734
735 } else {
736 # single face
737 return (0, 0, 0, 0);
738 }
739 }
740
741 =item $type = arch_attr $arch
742
743 Returns a hashref describing the object and its attributes. It can contain
744 the following keys:
745
746 name the name, suitable for display purposes
747 ignore
748 attr
749 desc
750 use
751 section => [name => \%attr, name => \%attr]
752 import
753
754 =cut
755
756 sub arch_attr($) {
757 my ($obj) = @_;
758
759 require Crossfire::Data;
760
761 my $root;
762 my $attr = { };
763
764 my $arch = $ARCH{ $obj->{_name} };
765 my $type = $obj->{type} || $arch->{type};
766
767 if ($type > 0) {
768 $root = $Crossfire::Data::ATTR{$type};
769 } else {
770 my %a = (%$arch, %$obj);
771
772 if ($a{is_floor} && !$a{alive}) {
773 $root = $Crossfire::Data::TYPE{Floor};
774 } elsif (!$a{is_floor} && $a{alive} && !$a{tear_down}) {
775 $root = $Crossfire::Data::TYPE{"Monster & NPC"};
776 } elsif (!$a{is_floor} && !$a{alive} && $a{move_block}) {
777 $root = $Crossfire::Data::TYPE{Wall};
778 } elsif (!$a{is_floor} && $a{alive} && $a{tear_down}) {
779 $root = $Crossfire::Data::TYPE{"Weak Wall"};
780 } else {
781 $root = $Crossfire::Data::TYPE{Misc};
782 }
783 }
784
785 my @import = ($root);
786
787 unshift @import, \%Crossfire::Data::DEFAULT_ATTR
788 unless $type == 116;
789
790 my (%ignore);
791 my (@section_order, %section, @attr_order);
792
793 while (my $type = shift @import) {
794 push @import, @{$type->{import} || []};
795
796 $attr->{$_} ||= $type->{$_}
797 for qw(name desc use);
798
799 for (@{$type->{ignore} || []}) {
800 $ignore{$_}++ for ref $_ ? @$_ : $_;
801 }
802
803 for ([general => ($type->{attr} || [])], @{$type->{section} || []}) {
804 my ($name, $attr) = @$_;
805 push @section_order, $name;
806 for (@$attr) {
807 my ($k, $v) = @$_;
808 push @attr_order, $k;
809 $section{$name}{$k} ||= $v;
810 }
811 }
812 }
813
814 $attr->{section} = [
815 map !exists $section{$_} ? () : do {
816 my $attr = delete $section{$_};
817
818 [
819 $_,
820 map exists $attr->{$_} && !$ignore{$_}
821 ? [$_ => delete $attr->{$_}] : (),
822 @attr_order
823 ]
824 },
825
826 exists $section{$_} ? [$_ => delete $section{$_}] : (),
827 @section_order
828 ];
829
830 $attr
831 }
832
833 sub cache_file($$&&) {
834 my ($src, $cache, $load, $create) = @_;
835
836 my ($size, $mtime) = (stat $src)[7,9]
837 or Carp::croak "$src: $!";
838
839 if (-e $cache) {
840 my $ref = eval { load_ref $cache };
841
842 if ($ref->{version} == 1
843 && $ref->{size} == $size
844 && $ref->{mtime} == $mtime
845 && eval { $load->($ref->{data}); 1 }) {
846 return;
847 }
848 }
849
850 my $ref = {
851 version => 1,
852 size => $size,
853 mtime => $mtime,
854 data => $create->(),
855 };
856
857 $load->($ref->{data});
858
859 save_ref $ref, $cache;
860 }
861
862 =item set_libdir $path
863
864 Sets the library directory to the given path
865 (default: $ENV{CROSSFIRE_LIBDIR}).
866
867 You have to (re-)load the archetypes and tilecache manually after steting
868 the library path.
869
870 =cut
871
872 sub set_libdir($) {
873 $LIB = $_[0];
874 }
875
876 =item load_archetypes
877
878 (Re-)Load archetypes into %ARCH.
879
880 =cut
881
882 sub load_archetypes() {
883 cache_file "$LIB/archetypes", "$VARDIR/archetypes.pst", sub {
884 *ARCH = $_[0];
885 }, sub {
886 read_arch "$LIB/archetypes"
887 };
888 }
889
890 =item load_tilecache
891
892 (Re-)Load %TILE and %FACE.
893
894 =cut
895
896 sub load_tilecache() {
897 require Gtk2;
898
899 cache_file "$LIB/crossfire.0", "$VARDIR/tilecache.pst", sub {
900 $TILE = new_from_file Gtk2::Gdk::Pixbuf "$VARDIR/tilecache.png"
901 or die "$VARDIR/tilecache.png: $!";
902 *FACE = $_[0];
903 }, sub {
904 my $tile = read_pak "$LIB/crossfire.0";
905
906 my %cache;
907
908 my $idx = 0;
909
910 for my $name (sort keys %$tile) {
911 my $pb = new Gtk2::Gdk::PixbufLoader;
912 $pb->write ($tile->{$name});
913 $pb->close;
914 my $pb = $pb->get_pixbuf;
915
916 my $tile = $cache{$name} = {
917 pb => $pb,
918 idx => $idx,
919 w => int $pb->get_width / TILESIZE,
920 h => int $pb->get_height / TILESIZE,
921 };
922
923
924 $idx += $tile->{w} * $tile->{h};
925 }
926
927 my $pb = new Gtk2::Gdk::Pixbuf "rgb", 1, 8, 64 * TILESIZE, TILESIZE * int +($idx + 63) / 64;
928
929 while (my ($name, $tile) = each %cache) {
930 my $tpb = delete $tile->{pb};
931 my $ofs = $tile->{idx};
932
933 for my $x (0 .. $tile->{w} - 1) {
934 for my $y (0 .. $tile->{h} - 1) {
935 my $idx = $ofs + $x + $y * $tile->{w};
936 $tpb->copy_area ($x * TILESIZE, $y * TILESIZE, TILESIZE, TILESIZE,
937 $pb, ($idx % 64) * TILESIZE, TILESIZE * int $idx / 64);
938 }
939 }
940 }
941
942 $pb->save ("$VARDIR/tilecache.png", "png", compression => 1);
943
944 \%cache
945 };
946 }
947
948 =head1 AUTHOR
949
950 Marc Lehmann <schmorp@schmorp.de>
951 http://home.schmorp.de/
952
953 Robin Redeker <elmex@ta-sa.org>
954 http://www.ta-sa.org/
955
956 =cut
957
958 1