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/cvs/deliantra/Deliantra/Deliantra.pm
Revision: 1.35
Committed: Sun Mar 12 16:23:56 2006 UTC (18 years, 2 months ago) by root
Branch: MAIN
Changes since 1.34: +1 -0 lines
Log Message:
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File Contents

# Content
1 =head1 NAME
2
3 Crossfire - Crossfire maphandling
4
5 =cut
6
7 package Crossfire;
8
9 our $VERSION = '0.1';
10
11 use strict;
12
13 use base 'Exporter';
14
15 use Carp ();
16 use File::Spec;
17 use List::Util qw(min max);
18 use Storable;
19
20 #XXX: The map_* procedures scream for a map-object
21
22 our @EXPORT =
23 qw(read_pak read_arch %ARCH TILESIZE $TILE %FACE editor_archs arch_extents);
24
25 our $LIB = $ENV{CROSSFIRE_LIBDIR}
26 or Carp::croak "\$CROSSFIRE_LIBDIR must be set\n";
27
28 sub TILESIZE (){ 32 }
29
30 our $VARDIR;
31 our %ARCH;
32 our %FACE;
33 our $TILE;
34
35 our %FIELD_MULTILINE = (
36 msg => "endmsg",
37 lore => "endlore",
38 );
39
40 # not used yet, maybe alphabetical is ok
41 our @FIELD_ORDER = (qw(name name_pl));
42
43 sub MOVE_WALK (){ 0x1 }
44 sub MOVE_FLY_LOW (){ 0x2 }
45 sub MOVE_FLY_HIGH (){ 0x4 }
46 sub MOVE_FLYING (){ 0x6 }
47 sub MOVE_SWIM (){ 0x8 }
48 sub MOVE_ALL (){ 0xf }
49
50 sub load_ref($) {
51 my ($path) = @_;
52
53 open my $fh, "<", $path
54 or die "$path: $!";
55 binmode $fh;
56 local $/;
57
58 Storable::thaw <$fh>
59 }
60
61 sub save_ref($$) {
62 my ($ref, $path) = @_;
63
64 open my $fh, ">", "$path~"
65 or die "$path~: $!";
66 binmode $fh;
67 print $fh Storable::freeze $ref;
68 close $fh;
69 rename "$path~", $path
70 or die "$path: $!";
71 }
72
73 sub normalize_arch($) {
74 my ($ob) = @_;
75
76 my $arch = $ARCH{$ob->{_name}}
77 or (warn "$ob->{_name}: no such archetype", return $ob);
78
79 delete $ob->{$_} for qw(can_knockback can_parry can_impale can_cut can_dam_armour can_apply);
80
81 if ($arch->{type} == 22) { # map
82 my %normalize = (
83 "enter_x" => "hp",
84 "enter_y" => "sp",
85 "width" => "x",
86 "height" => "y",
87 "reset_timeout" => "weight",
88 "swap_time" => "value",
89 "difficulty" => "level",
90 "darkness" => "invisible",
91 "fixed_resettime" => "stand_still",
92 );
93
94 while (my ($k2, $k1) = each %normalize) {
95 if (defined (my $v = delete $ob->{$k1})) {
96 $ob->{$k2} = $v;
97 }
98 }
99 }
100
101 if (defined (my $v = delete $ob->{no_pass})) {
102 $ob->{move_block} = $v ? MOVE_ALL : 0;
103 }
104 if (defined (my $v = delete $ob->{walk_on})) {
105 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_WALK
106 : $ob->{move_on} & ~MOVE_WALK;
107 }
108 if (defined (my $v = delete $ob->{walk_off})) {
109 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_WALK
110 : $ob->{move_off} & ~MOVE_WALK;
111 }
112 if (defined (my $v = delete $ob->{fly_on})) {
113 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_FLY_LOW
114 : $ob->{move_on} & ~MOVE_FLY_LOW;
115 }
116 if (defined (my $v = delete $ob->{fly_off})) {
117 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_FLY_LOW
118 : $ob->{move_off} & ~MOVE_FLY_LOW;
119 }
120 if (defined (my $v = delete $ob->{flying})) {
121 $ob->{move_type} = $v ? $ob->{move_type} | MOVE_FLY_LOW
122 : $ob->{move_type} & ~MOVE_FLY_LOW;
123 }
124
125 # if value matches archetype default, delete
126 while (my ($k, $v) = each %$ob) {
127 if (exists $arch->{$k} and $arch->{$k} eq $v) {
128 next if $k eq "_name";
129 delete $ob->{$k};
130 }
131 }
132
133 $ob
134 }
135
136 sub read_pak($;$) {
137 my ($path, $cache) = @_;
138
139 eval {
140 defined $cache
141 && -M $cache < -M $path
142 && load_ref $cache
143 } or do {
144 my %pak;
145
146 open my $fh, "<", $path
147 or Carp::croak "$_[0]: $!";
148 binmode $fh;
149 while (<$fh>) {
150 my ($type, $id, $len, $path) = split;
151 $path =~ s/.*\///;
152 read $fh, $pak{$path}, $len;
153 }
154
155 save_ref \%pak, $cache
156 if defined $cache;
157
158 \%pak
159 }
160 }
161
162 sub read_arch($;$) {
163 my ($path, $cache) = @_;
164
165 eval {
166 defined $cache
167 && -M $cache < -M $path
168 && load_ref $cache
169 } or do {
170 my %arc;
171 my ($more, $prev);
172
173 open my $fh, "<", $path
174 or Carp::croak "$path: $!";
175
176 binmode $fh;
177
178 my $parse_block; $parse_block = sub {
179 my %arc = @_;
180
181 while (<$fh>) {
182 s/\s+$//;
183 if (/^end$/i) {
184 last;
185 } elsif (/^arch (\S+)$/) {
186 push @{ $arc{inventory} }, normalize_arch $parse_block->(_name => $1);
187 } elsif (/^lore$/) {
188 while (<$fh>) {
189 last if /^endlore\s*$/i;
190 $arc{lore} .= $_;
191 }
192 } elsif (/^msg$/) {
193 while (<$fh>) {
194 last if /^endmsg\s*$/i;
195 $arc{msg} .= $_;
196 }
197 } elsif (/^(\S+)\s*(.*)$/) {
198 $arc{lc $1} = $2;
199 } elsif (/^\s*($|#)/) {
200 #
201 } else {
202 warn "$path: unparsable line '$_' in arch $arc{_name}";
203 }
204 }
205
206 \%arc
207 };
208
209 while (<$fh>) {
210 s/\s+$//;
211 if (/^more$/i) {
212 $more = $prev;
213 } elsif (/^object (\S+)$/i) {
214 my $name = $1;
215 my $arc = $parse_block->(_name => $name);
216
217 if ($more) {
218 $more->{more} = $arc;
219 } else {
220 $arc{$name} = $arc;
221 }
222 $prev = $arc;
223 $more = undef;
224 } elsif (/^arch (\S+)$/i) {
225 push @{ $arc{arch} }, normalize_arch $parse_block->(_name => $1);
226 } elsif (/^\s*($|#)/) {
227 #
228 } else {
229 warn "$path: unparseable top-level line '$_'";
230 }
231 }
232
233 undef $parse_block; # work around bug in perl not freeing $fh etc.
234
235 save_ref \%arc, $cache
236 if defined $cache;
237
238 \%arc
239 }
240 }
241
242 # put all archs into a hash with editor_face as it's key
243 # NOTE: the arrays in the hash values are references to
244 # the archs from $ARCH
245 sub editor_archs {
246 my %paths;
247
248 for (keys %ARCH) {
249 my $arch = $ARCH{$_};
250 push @{$paths{$arch->{editor_folder}}}, \$arch;
251 }
252
253 \%paths
254 }
255
256 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
257
258 arch_extents determines the extents of the given arch's face(s), linked
259 faces and single faces are handled here it returns (minx, miny, maxx,
260 maxy)
261
262 =cut
263
264 sub arch_extents {
265 my ($a) = @_;
266
267 my $o = $ARCH{$a->{_name}}
268 or return;
269
270 my $face = $FACE{$a->{face} || $o->{face}}
271 or (warn "no face data found for arch '$a->{_name}'"), return;
272
273 if ($face->{w} > 1 || $face->{h} > 1) {
274 # bigface
275 return (0, 0, $face->{w} - 1, $face->{h} - 1);
276
277 } elsif ($o->{more}) {
278 # linked face
279 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
280
281 for (; $o; $o = $o->{more}) {
282 $minx = min $minx, $o->{x};
283 $miny = min $miny, $o->{y};
284 $maxx = max $maxx, $o->{x};
285 $maxy = max $maxy, $o->{y};
286 }
287
288 return ($minx, $miny, $maxx, $maxy);
289
290 } else {
291 # single face
292 return (0, 0, 0, 0);
293 }
294 }
295
296 =item $type = arch_attr $arch
297
298 Returns a hashref describing the object and its attributes. It can contain
299 the following keys:
300
301 name the name, suitable for display purposes
302 ignore
303 attr
304 desc
305 use
306 section => [name => \%attr, name => \%attr]
307 import
308
309 =cut
310
311 sub arch_attr($) {
312 my ($arch) = @_;
313
314 require Crossfire::Data;
315
316 my $attr;
317
318 if ($arch->{type} > 0) {
319 $attr = $Crossfire::Data::ATTR{$arch->{type}+0};
320 } else {
321 $attr = $Crossfire::Data::TYPE{Misc};
322
323 type:
324 for (@Crossfire::Data::ATTR0) {
325 my $req = $_->{required}
326 or die "internal error: ATTR0 without 'required'";
327
328 keys %$req;
329 while (my ($k, $v) = each %$req) {
330 next type
331 unless $arch->{$k} == $v;
332 }
333
334 $attr = $_;
335 }
336 }
337
338 $attr || \%Crossfire::Data::DEFAULT_ATTR;
339 }
340
341 sub arch_edit_sections {
342 # if (edit_type == IGUIConstants.TILE_EDIT_NONE)
343 # edit_type = 0;
344 # else if (edit_type != 0) {
345 # // all flags from 'check_type' must be unset in this arch because they get recalculated now
346 # edit_type &= ~check_type;
347 # }
348 #
349 # }
350 # if ((check_type & IGUIConstants.TILE_EDIT_MONSTER) != 0 &&
351 # getAttributeValue("alive", defarch) == 1 &&
352 # (getAttributeValue("monster", defarch) == 1 ||
353 # getAttributeValue("generator", defarch) == 1)) {
354 # // Monster: monsters/npcs/generators
355 # edit_type |= IGUIConstants.TILE_EDIT_MONSTER;
356 # }
357 # if ((check_type & IGUIConstants.TILE_EDIT_WALL) != 0 &&
358 # arch_type == 0 && getAttributeValue("no_pass", defarch) == 1) {
359 # // Walls
360 # edit_type |= IGUIConstants.TILE_EDIT_WALL;
361 # }
362 # if ((check_type & IGUIConstants.TILE_EDIT_CONNECTED) != 0 &&
363 # getAttributeValue("connected", defarch) != 0) {
364 # // Connected Objects
365 # edit_type |= IGUIConstants.TILE_EDIT_CONNECTED;
366 # }
367 # if ((check_type & IGUIConstants.TILE_EDIT_EXIT) != 0 &&
368 # arch_type == 66 || arch_type == 41 || arch_type == 95) {
369 # // Exit: teleporter/exit/trapdoors
370 # edit_type |= IGUIConstants.TILE_EDIT_EXIT;
371 # }
372 # if ((check_type & IGUIConstants.TILE_EDIT_TREASURE) != 0 &&
373 # getAttributeValue("no_pick", defarch) == 0 && (arch_type == 4 ||
374 # arch_type == 5 || arch_type == 36 || arch_type == 60 ||
375 # arch_type == 85 || arch_type == 111 || arch_type == 123 ||
376 # arch_type == 124 || arch_type == 130)) {
377 # // Treasure: randomtreasure/money/gems/potions/spellbooks/scrolls
378 # edit_type |= IGUIConstants.TILE_EDIT_TREASURE;
379 # }
380 # if ((check_type & IGUIConstants.TILE_EDIT_DOOR) != 0 &&
381 # arch_type == 20 || arch_type == 23 || arch_type == 26 ||
382 # arch_type == 91 || arch_type == 21 || arch_type == 24) {
383 # // Door: door/special door/gates + keys
384 # edit_type |= IGUIConstants.TILE_EDIT_DOOR;
385 # }
386 # if ((check_type & IGUIConstants.TILE_EDIT_EQUIP) != 0 &&
387 # getAttributeValue("no_pick", defarch) == 0 && ((arch_type >= 13 &&
388 # arch_type <= 16) || arch_type == 33 || arch_type == 34 ||
389 # arch_type == 35 || arch_type == 39 || arch_type == 70 ||
390 # arch_type == 87 || arch_type == 99 || arch_type == 100 ||
391 # arch_type == 104 || arch_type == 109 || arch_type == 113 ||
392 # arch_type == 122 || arch_type == 3)) {
393 # // Equipment: weapons/armour/wands/rods
394 # edit_type |= IGUIConstants.TILE_EDIT_EQUIP;
395 # }
396 #
397 # return(edit_type);
398 #
399 #
400 }
401
402 sub init($) {
403 my ($cachedir) = @_;
404
405 return if %ARCH;
406
407 mkdir $cachedir, 0777;
408 *ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst";
409 }
410
411 $VARDIR ||= $ENV{HOME} ? "$ENV{HOME}/.crossfire" : File::Spec->tmpdir . "/crossfire";
412
413 init $VARDIR;
414
415 =head1 AUTHOR
416
417 Marc Lehmann <schmorp@schmorp.de>
418 http://home.schmorp.de/
419
420 Robin Redeker <elmex@ta-sa.org>
421 http://www.ta-sa.org/
422
423 =cut
424
425 1