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/cvs/deliantra/Deliantra/Deliantra.pm
Revision: 1.31
Committed: Thu Feb 23 15:01:43 2006 UTC (18 years, 2 months ago) by root
Branch: MAIN
Changes since 1.30: +11 -7 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
19 #XXX: The map_* procedures scream for a map-object
20
21 our @EXPORT =
22 qw(read_pak read_arch %ARCH TILESIZE $TILE %FACE editor_archs arch_extents);
23
24 our $LIB = $ENV{CROSSFIRE_LIBDIR}
25 or Carp::croak "\$CROSSFIRE_LIBDIR must be set\n";
26
27 sub TILESIZE (){ 32 }
28
29 our $VARDIR;
30 our %ARCH;
31 our %FACE;
32 our $TILE;
33
34 our %FIELD_MULTILINE = (
35 msg => "endmsg",
36 lore => "endlore",
37 );
38
39 # not used yet, maybe alphabetical is ok
40 our @FIELD_ORDER = (qw(name name_pl));
41
42 sub MOVE_WALK (){ 0x1 }
43 sub MOVE_FLY_LOW (){ 0x2 }
44 sub MOVE_FLY_HIGH (){ 0x4 }
45 sub MOVE_FLYING (){ 0x6 }
46 sub MOVE_SWIM (){ 0x8 }
47 sub MOVE_ALL (){ 0xf }
48
49 BEGIN {
50 if ($^O eq "MSWin32") {
51 eval "use FreezeThaw qw(freeze thaw)";
52 } else {
53 eval "use Storable qw(freeze thaw)";
54 }
55 }
56
57 sub load_ref($) {
58 my ($path) = @_;
59
60 open my $fh, "<", $path
61 or die "$path: $!";
62 binmode $fh;
63 local $/;
64 thaw <$fh>
65 }
66
67 sub save_ref($$) {
68 my ($ref, $path) = @_;
69
70 open my $fh, ">", "$path~"
71 or die "$path~: $!";
72 binmode $fh;
73 print $fh freeze $ref;
74 close $fh;
75 rename "$path~", $path
76 or die "$path: $!";
77 }
78
79 sub normalize_arch($) {
80 my ($ob) = @_;
81
82 my $arch = $ARCH{$ob->{_name}}
83 or (warn "$ob->{_name}: no such archetype", return $ob);
84
85 delete $ob->{$_} for qw(can_knockback can_parry can_impale can_cut can_dam_armour can_apply);
86
87 if ($arch->{type} == 22) { # map
88 my %normalize = (
89 "enter_x" => "hp",
90 "enter_y" => "sp",
91 "width" => "x",
92 "height" => "y",
93 "reset_timeout" => "weight",
94 "swap_time" => "value",
95 "difficulty" => "level",
96 "darkness" => "invisible",
97 "fixed_resettime" => "stand_still",
98 );
99
100 while (my ($k2, $k1) = each %normalize) {
101 if (defined (my $v = delete $ob->{$k1})) {
102 $ob->{$k2} = $v;
103 }
104 }
105 }
106
107 if (defined (my $v = delete $ob->{no_pass})) {
108 $ob->{move_block} = $v ? MOVE_ALL : 0;
109 }
110 if (defined (my $v = delete $ob->{walk_on})) {
111 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_WALK
112 : $ob->{move_on} & ~MOVE_WALK;
113 }
114 if (defined (my $v = delete $ob->{walk_off})) {
115 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_WALK
116 : $ob->{move_off} & ~MOVE_WALK;
117 }
118 if (defined (my $v = delete $ob->{fly_on})) {
119 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_FLY_LOW
120 : $ob->{move_on} & ~MOVE_FLY_LOW;
121 }
122 if (defined (my $v = delete $ob->{fly_off})) {
123 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_FLY_LOW
124 : $ob->{move_off} & ~MOVE_FLY_LOW;
125 }
126 if (defined (my $v = delete $ob->{flying})) {
127 $ob->{move_type} = $v ? $ob->{move_type} | MOVE_FLY_LOW
128 : $ob->{move_type} & ~MOVE_FLY_LOW;
129 }
130
131 # if value matches archetype default, delete
132 while (my ($k, $v) = each %$ob) {
133 if (exists $arch->{$k} and $arch->{$k} eq $v) {
134 next if $k eq "_name";
135 delete $ob->{$k};
136 }
137 }
138
139 $ob
140 }
141
142 sub read_pak($;$) {
143 my ($path, $cache) = @_;
144
145 eval {
146 defined $cache
147 && -M $cache < -M $path
148 && load_ref $cache
149 } or do {
150 my %pak;
151
152 open my $fh, "<", $path
153 or Carp::croak "$_[0]: $!";
154 binmode $fh;
155 while (<$fh>) {
156 my ($type, $id, $len, $path) = split;
157 $path =~ s/.*\///;
158 read $fh, $pak{$path}, $len;
159 }
160
161 save_ref \%pak, $cache
162 if defined $cache;
163
164 \%pak
165 }
166 }
167
168 sub read_arch($;$) {
169 my ($path, $cache) = @_;
170
171 eval {
172 defined $cache
173 && -M $cache < -M $path
174 && load_ref $cache
175 } or do {
176 my %arc;
177 my ($more, $prev);
178
179 open my $fh, "<", $path
180 or Carp::croak "$path: $!";
181
182 binmode $fh;
183
184 my $parse_block; $parse_block = sub {
185 my %arc = @_;
186
187 while (<$fh>) {
188 s/\s+$//;
189 if (/^end$/i) {
190 last;
191 } elsif (/^arch (\S+)$/) {
192 push @{ $arc{inventory} }, normalize_arch $parse_block->(_name => $1);
193 } elsif (/^lore$/) {
194 while (<$fh>) {
195 last if /^endlore\s*$/i;
196 $arc{lore} .= $_;
197 }
198 } elsif (/^msg$/) {
199 while (<$fh>) {
200 last if /^endmsg\s*$/i;
201 $arc{msg} .= $_;
202 }
203 } elsif (/^(\S+)\s*(.*)$/) {
204 $arc{lc $1} = $2;
205 } elsif (/^\s*($|#)/) {
206 #
207 } else {
208 warn "$path: unparsable line '$_' in arch $arc{_name}";
209 }
210 }
211
212 \%arc
213 };
214
215 while (<$fh>) {
216 s/\s+$//;
217 if (/^more$/i) {
218 $more = $prev;
219 } elsif (/^object (\S+)$/i) {
220 my $name = $1;
221 my $arc = $parse_block->(_name => $name);
222
223 if ($more) {
224 $more->{more} = $arc;
225 } else {
226 $arc{$name} = $arc;
227 }
228 $prev = $arc;
229 $more = undef;
230 } elsif (/^arch (\S+)$/i) {
231 push @{ $arc{arch} }, normalize_arch $parse_block->(_name => $1);
232 } elsif (/^\s*($|#)/) {
233 #
234 } else {
235 warn "$path: unparseable top-level line '$_'";
236 }
237 }
238
239 undef $parse_block; # work around bug in perl not freeing $fh etc.
240
241 save_ref \%arc, $cache
242 if defined $cache;
243
244 \%arc
245 }
246 }
247
248 # put all archs into a hash with editor_face as it's key
249 # NOTE: the arrays in the hash values are references to
250 # the archs from $ARCH
251 sub editor_archs {
252 my %paths;
253
254 for (keys %ARCH) {
255 my $arch = $ARCH{$_};
256 push @{$paths{$arch->{editor_folder}}}, \$arch;
257 }
258
259 \%paths
260 }
261
262 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
263
264 arch_extents determines the extents of the given arch's face(s), linked
265 faces and single faces are handled here it returns (minx, miny, maxx,
266 maxy)
267
268 =cut
269
270 sub arch_extents {
271 my ($a) = @_;
272
273 my $o = $ARCH{$a->{_name}}
274 or return;
275
276 my $face = $FACE{$a->{face} || $o->{face}}
277 or (warn "no face data found for arch '$a->{_name}'"), return;
278
279 if ($face->{w} > 1 || $face->{h} > 1) {
280 # bigface
281 return (0, 0, $face->{w} - 1, $face->{h} - 1);
282
283 } elsif ($o->{more}) {
284 # linked face
285 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
286
287 for (; $o; $o = $o->{more}) {
288 $minx = min $minx, $o->{x};
289 $miny = min $miny, $o->{y};
290 $maxx = max $maxx, $o->{x};
291 $maxy = max $maxy, $o->{y};
292 }
293
294 return ($minx, $miny, $maxx, $maxy);
295
296 } else {
297 # single face
298 return (0, 0, 0, 0);
299 }
300 }
301
302 =item $type = arch_attr $arch
303
304 Returns a hashref describing the object and its attributes. It can contain
305 the following keys:
306
307 name the name, suitable for display purposes
308 ignore
309 attr
310 desc
311 use
312 section => [name => \%attr, name => \%attr]
313 import
314
315 =cut
316
317 sub arch_attr($) {
318 my ($arch) = @_;
319
320 require Crossfire::Data;
321
322 my $attr;
323
324 if ($arch->{type} > 0) {
325 $attr = $Crossfire::Data::ATTR{$arch->{type}+0};
326 } else {
327 $attr = $Crossfire::Data::TYPE{Misc};
328
329 type:
330 for (@Crossfire::Data::ATTR0) {
331 my $req = $_->{required}
332 or die "internal error: ATTR0 without 'required'";
333
334 while (my ($k, $v) = each %$req) {
335 next type
336 unless $arch->{$k} == $v;
337 }
338
339 $attr = $_;
340 }
341 }
342
343 $attr || \%Crossfire::Data::DEFAULT_ATTR;
344 }
345
346 sub arch_edit_sections {
347 # if (edit_type == IGUIConstants.TILE_EDIT_NONE)
348 # edit_type = 0;
349 # else if (edit_type != 0) {
350 # // all flags from 'check_type' must be unset in this arch because they get recalculated now
351 # edit_type &= ~check_type;
352 # }
353 #
354 # }
355 # if ((check_type & IGUIConstants.TILE_EDIT_MONSTER) != 0 &&
356 # getAttributeValue("alive", defarch) == 1 &&
357 # (getAttributeValue("monster", defarch) == 1 ||
358 # getAttributeValue("generator", defarch) == 1)) {
359 # // Monster: monsters/npcs/generators
360 # edit_type |= IGUIConstants.TILE_EDIT_MONSTER;
361 # }
362 # if ((check_type & IGUIConstants.TILE_EDIT_WALL) != 0 &&
363 # arch_type == 0 && getAttributeValue("no_pass", defarch) == 1) {
364 # // Walls
365 # edit_type |= IGUIConstants.TILE_EDIT_WALL;
366 # }
367 # if ((check_type & IGUIConstants.TILE_EDIT_CONNECTED) != 0 &&
368 # getAttributeValue("connected", defarch) != 0) {
369 # // Connected Objects
370 # edit_type |= IGUIConstants.TILE_EDIT_CONNECTED;
371 # }
372 # if ((check_type & IGUIConstants.TILE_EDIT_EXIT) != 0 &&
373 # arch_type == 66 || arch_type == 41 || arch_type == 95) {
374 # // Exit: teleporter/exit/trapdoors
375 # edit_type |= IGUIConstants.TILE_EDIT_EXIT;
376 # }
377 # if ((check_type & IGUIConstants.TILE_EDIT_TREASURE) != 0 &&
378 # getAttributeValue("no_pick", defarch) == 0 && (arch_type == 4 ||
379 # arch_type == 5 || arch_type == 36 || arch_type == 60 ||
380 # arch_type == 85 || arch_type == 111 || arch_type == 123 ||
381 # arch_type == 124 || arch_type == 130)) {
382 # // Treasure: randomtreasure/money/gems/potions/spellbooks/scrolls
383 # edit_type |= IGUIConstants.TILE_EDIT_TREASURE;
384 # }
385 # if ((check_type & IGUIConstants.TILE_EDIT_DOOR) != 0 &&
386 # arch_type == 20 || arch_type == 23 || arch_type == 26 ||
387 # arch_type == 91 || arch_type == 21 || arch_type == 24) {
388 # // Door: door/special door/gates + keys
389 # edit_type |= IGUIConstants.TILE_EDIT_DOOR;
390 # }
391 # if ((check_type & IGUIConstants.TILE_EDIT_EQUIP) != 0 &&
392 # getAttributeValue("no_pick", defarch) == 0 && ((arch_type >= 13 &&
393 # arch_type <= 16) || arch_type == 33 || arch_type == 34 ||
394 # arch_type == 35 || arch_type == 39 || arch_type == 70 ||
395 # arch_type == 87 || arch_type == 99 || arch_type == 100 ||
396 # arch_type == 104 || arch_type == 109 || arch_type == 113 ||
397 # arch_type == 122 || arch_type == 3)) {
398 # // Equipment: weapons/armour/wands/rods
399 # edit_type |= IGUIConstants.TILE_EDIT_EQUIP;
400 # }
401 #
402 # return(edit_type);
403 #
404 #
405 }
406
407 sub init($) {
408 my ($cachedir) = @_;
409
410 return if %ARCH;
411
412 mkdir $cachedir, 0777;
413 *ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst";
414 }
415
416 $VARDIR ||= $ENV{HOME} ? "$ENV{HOME}/.crossfire" : File::Spec->tmpdir . "/crossfire";
417
418 init $VARDIR;
419
420 =head1 AUTHOR
421
422 Marc Lehmann <schmorp@schmorp.de>
423 http://home.schmorp.de/
424
425 Robin Redeker <elmex@ta-sa.org>
426 http://www.ta-sa.org/
427
428 =cut
429
430 1