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/cvs/deliantra/Deliantra/Deliantra.pm
Revision: 1.30
Committed: Thu Feb 23 14:54:44 2006 UTC (18 years, 2 months ago) by root
Branch: MAIN
Changes since 1.29: +11 -3 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 $fh, "<:raw", "$path~"
61 or die "$path~: $!";
62 local $/;
63 thaw <$fh>
64 }
65
66 sub save_ref($$) {
67 my ($ref, $path) = @_;
68
69 open my $fh, ">:raw", "$path~"
70 or die "$path~: $!";
71 my $ref = freeze $ref;
72 print $fh $ref;
73 close $fh;
74 rename "$path~", $path
75 or die "$path: $!";
76 }
77
78 sub normalize_arch($) {
79 my ($ob) = @_;
80
81 my $arch = $ARCH{$ob->{_name}}
82 or (warn "$ob->{_name}: no such archetype", return $ob);
83
84 delete $ob->{$_} for qw(can_knockback can_parry can_impale can_cut can_dam_armour can_apply);
85
86 if ($arch->{type} == 22) { # map
87 my %normalize = (
88 "enter_x" => "hp",
89 "enter_y" => "sp",
90 "width" => "x",
91 "height" => "y",
92 "reset_timeout" => "weight",
93 "swap_time" => "value",
94 "difficulty" => "level",
95 "darkness" => "invisible",
96 "fixed_resettime" => "stand_still",
97 );
98
99 while (my ($k2, $k1) = each %normalize) {
100 if (defined (my $v = delete $ob->{$k1})) {
101 $ob->{$k2} = $v;
102 }
103 }
104 }
105
106 if (defined (my $v = delete $ob->{no_pass})) {
107 $ob->{move_block} = $v ? MOVE_ALL : 0;
108 }
109 if (defined (my $v = delete $ob->{walk_on})) {
110 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_WALK
111 : $ob->{move_on} & ~MOVE_WALK;
112 }
113 if (defined (my $v = delete $ob->{walk_off})) {
114 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_WALK
115 : $ob->{move_off} & ~MOVE_WALK;
116 }
117 if (defined (my $v = delete $ob->{fly_on})) {
118 $ob->{move_on} = $v ? $ob->{move_on} | MOVE_FLY_LOW
119 : $ob->{move_on} & ~MOVE_FLY_LOW;
120 }
121 if (defined (my $v = delete $ob->{fly_off})) {
122 $ob->{move_off} = $v ? $ob->{move_off} | MOVE_FLY_LOW
123 : $ob->{move_off} & ~MOVE_FLY_LOW;
124 }
125 if (defined (my $v = delete $ob->{flying})) {
126 $ob->{move_type} = $v ? $ob->{move_type} | MOVE_FLY_LOW
127 : $ob->{move_type} & ~MOVE_FLY_LOW;
128 }
129
130 # if value matches archetype default, delete
131 while (my ($k, $v) = each %$ob) {
132 if (exists $arch->{$k} and $arch->{$k} eq $v) {
133 next if $k eq "_name";
134 delete $ob->{$k};
135 }
136 }
137
138 $ob
139 }
140
141 sub read_pak($;$) {
142 my ($path, $cache) = @_;
143
144 eval {
145 defined $cache
146 && -M $cache < -M $path
147 && load_ref $cache
148 } or do {
149 my %pak;
150
151 open my $fh, "<:raw", $path
152 or Carp::croak "$_[0]: $!";
153 while (<$fh>) {
154 my ($type, $id, $len, $path) = split;
155 $path =~ s/.*\///;
156 read $fh, $pak{$path}, $len;
157 }
158
159 save_ref \%pak, $cache
160 if defined $cache;
161
162 \%pak
163 }
164 }
165
166 sub read_arch($;$) {
167 my ($path, $cache) = @_;
168
169 eval {
170 defined $cache
171 && -M $cache < -M $path
172 && load_ref $cache
173 } or do {
174 my %arc;
175 my ($more, $prev);
176
177 open my $fh, "<:raw", $path
178 or Carp::croak "$path: $!";
179
180 my $parse_block; $parse_block = sub {
181 my %arc = @_;
182
183 while (<$fh>) {
184 s/\s+$//;
185 if (/^end$/i) {
186 last;
187 } elsif (/^arch (\S+)$/) {
188 push @{ $arc{inventory} }, normalize_arch $parse_block->(_name => $1);
189 } elsif (/^lore$/) {
190 while (<$fh>) {
191 last if /^endlore\s*$/i;
192 $arc{lore} .= $_;
193 }
194 } elsif (/^msg$/) {
195 while (<$fh>) {
196 last if /^endmsg\s*$/i;
197 $arc{msg} .= $_;
198 }
199 } elsif (/^(\S+)\s*(.*)$/) {
200 $arc{lc $1} = $2;
201 } elsif (/^\s*($|#)/) {
202 #
203 } else {
204 warn "$path: unparsable line '$_' in arch $arc{_name}";
205 }
206 }
207
208 \%arc
209 };
210
211 while (<$fh>) {
212 s/\s+$//;
213 if (/^more$/i) {
214 $more = $prev;
215 } elsif (/^object (\S+)$/i) {
216 my $name = $1;
217 my $arc = $parse_block->(_name => $name);
218
219 if ($more) {
220 $more->{more} = $arc;
221 } else {
222 $arc{$name} = $arc;
223 }
224 $prev = $arc;
225 $more = undef;
226 } elsif (/^arch (\S+)$/i) {
227 push @{ $arc{arch} }, normalize_arch $parse_block->(_name => $1);
228 } elsif (/^\s*($|#)/) {
229 #
230 } else {
231 warn "$path: unparseable top-level line '$_'";
232 }
233 }
234
235 undef $parse_block; # work around bug in perl not freeing $fh etc.
236
237 save_ref \%arc, $cache
238 if defined $cache;
239
240 \%arc
241 }
242 }
243
244 # put all archs into a hash with editor_face as it's key
245 # NOTE: the arrays in the hash values are references to
246 # the archs from $ARCH
247 sub editor_archs {
248 my %paths;
249
250 for (keys %ARCH) {
251 my $arch = $ARCH{$_};
252 push @{$paths{$arch->{editor_folder}}}, \$arch;
253 }
254
255 \%paths
256 }
257
258 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
259
260 arch_extents determines the extents of the given arch's face(s), linked
261 faces and single faces are handled here it returns (minx, miny, maxx,
262 maxy)
263
264 =cut
265
266 sub arch_extents {
267 my ($a) = @_;
268
269 my $o = $ARCH{$a->{_name}}
270 or return;
271
272 my $face = $FACE{$a->{face} || $o->{face}}
273 or (warn "no face data found for arch '$a->{_name}'"), return;
274
275 if ($face->{w} > 1 || $face->{h} > 1) {
276 # bigface
277 return (0, 0, $face->{w} - 1, $face->{h} - 1);
278
279 } elsif ($o->{more}) {
280 # linked face
281 my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
282
283 for (; $o; $o = $o->{more}) {
284 $minx = min $minx, $o->{x};
285 $miny = min $miny, $o->{y};
286 $maxx = max $maxx, $o->{x};
287 $maxy = max $maxy, $o->{y};
288 }
289
290 return ($minx, $miny, $maxx, $maxy);
291
292 } else {
293 # single face
294 return (0, 0, 0, 0);
295 }
296 }
297
298 =item $type = arch_attr $arch
299
300 Returns a hashref describing the object and its attributes. It can contain
301 the following keys:
302
303 name the name, suitable for display purposes
304 ignore
305 attr
306 desc
307 use
308 section => [name => \%attr, name => \%attr]
309 import
310
311 =cut
312
313 sub arch_attr($) {
314 my ($arch) = @_;
315
316 require Crossfire::Data;
317
318 my $attr;
319
320 if ($arch->{type} > 0) {
321 $attr = $Crossfire::Data::ATTR{$arch->{type}+0};
322 } else {
323 $attr = $Crossfire::Data::TYPE{Misc};
324
325 type:
326 for (@Crossfire::Data::ATTR0) {
327 my $req = $_->{required}
328 or die "internal error: ATTR0 without 'required'";
329
330 while (my ($k, $v) = each %$req) {
331 next type
332 unless $arch->{$k} == $v;
333 }
334
335 $attr = $_;
336 }
337 }
338
339 $attr || \%Crossfire::Data::DEFAULT_ATTR;
340 }
341
342 sub arch_edit_sections {
343 # if (edit_type == IGUIConstants.TILE_EDIT_NONE)
344 # edit_type = 0;
345 # else if (edit_type != 0) {
346 # // all flags from 'check_type' must be unset in this arch because they get recalculated now
347 # edit_type &= ~check_type;
348 # }
349 #
350 # }
351 # if ((check_type & IGUIConstants.TILE_EDIT_MONSTER) != 0 &&
352 # getAttributeValue("alive", defarch) == 1 &&
353 # (getAttributeValue("monster", defarch) == 1 ||
354 # getAttributeValue("generator", defarch) == 1)) {
355 # // Monster: monsters/npcs/generators
356 # edit_type |= IGUIConstants.TILE_EDIT_MONSTER;
357 # }
358 # if ((check_type & IGUIConstants.TILE_EDIT_WALL) != 0 &&
359 # arch_type == 0 && getAttributeValue("no_pass", defarch) == 1) {
360 # // Walls
361 # edit_type |= IGUIConstants.TILE_EDIT_WALL;
362 # }
363 # if ((check_type & IGUIConstants.TILE_EDIT_CONNECTED) != 0 &&
364 # getAttributeValue("connected", defarch) != 0) {
365 # // Connected Objects
366 # edit_type |= IGUIConstants.TILE_EDIT_CONNECTED;
367 # }
368 # if ((check_type & IGUIConstants.TILE_EDIT_EXIT) != 0 &&
369 # arch_type == 66 || arch_type == 41 || arch_type == 95) {
370 # // Exit: teleporter/exit/trapdoors
371 # edit_type |= IGUIConstants.TILE_EDIT_EXIT;
372 # }
373 # if ((check_type & IGUIConstants.TILE_EDIT_TREASURE) != 0 &&
374 # getAttributeValue("no_pick", defarch) == 0 && (arch_type == 4 ||
375 # arch_type == 5 || arch_type == 36 || arch_type == 60 ||
376 # arch_type == 85 || arch_type == 111 || arch_type == 123 ||
377 # arch_type == 124 || arch_type == 130)) {
378 # // Treasure: randomtreasure/money/gems/potions/spellbooks/scrolls
379 # edit_type |= IGUIConstants.TILE_EDIT_TREASURE;
380 # }
381 # if ((check_type & IGUIConstants.TILE_EDIT_DOOR) != 0 &&
382 # arch_type == 20 || arch_type == 23 || arch_type == 26 ||
383 # arch_type == 91 || arch_type == 21 || arch_type == 24) {
384 # // Door: door/special door/gates + keys
385 # edit_type |= IGUIConstants.TILE_EDIT_DOOR;
386 # }
387 # if ((check_type & IGUIConstants.TILE_EDIT_EQUIP) != 0 &&
388 # getAttributeValue("no_pick", defarch) == 0 && ((arch_type >= 13 &&
389 # arch_type <= 16) || arch_type == 33 || arch_type == 34 ||
390 # arch_type == 35 || arch_type == 39 || arch_type == 70 ||
391 # arch_type == 87 || arch_type == 99 || arch_type == 100 ||
392 # arch_type == 104 || arch_type == 109 || arch_type == 113 ||
393 # arch_type == 122 || arch_type == 3)) {
394 # // Equipment: weapons/armour/wands/rods
395 # edit_type |= IGUIConstants.TILE_EDIT_EQUIP;
396 # }
397 #
398 # return(edit_type);
399 #
400 #
401 }
402
403 sub init($) {
404 my ($cachedir) = @_;
405
406 return if %ARCH;
407
408 mkdir $cachedir, 0777;
409 *ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst";
410 }
411
412 $VARDIR ||= $ENV{HOME} ? "$ENV{HOME}/.crossfire" : File::Spec->tmpdir . "/crossfire";
413
414 init $VARDIR;
415
416 =head1 AUTHOR
417
418 Marc Lehmann <schmorp@schmorp.de>
419 http://home.schmorp.de/
420
421 Robin Redeker <elmex@ta-sa.org>
422 http://www.ta-sa.org/
423
424 =cut
425
426 1