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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.71 by root, Sun Oct 1 10:59:30 2006 UTC vs.
Revision 1.93 by root, Thu Dec 21 22:41:35 2006 UTC

5use Storable; 5use Storable;
6use Opcode; 6use Opcode;
7use Safe; 7use Safe;
8use Safe::Hole; 8use Safe::Hole;
9 9
10use IO::AIO ();
11use YAML::Syck ();
10use Time::HiRes; 12use Time::HiRes;
11use Event; 13use Event;
12$Event::Eval = 1; # no idea why this is required, but it is 14$Event::Eval = 1; # no idea why this is required, but it is
13 15
16# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17$YAML::Syck::ImplicitUnicode = 1;
18
14use strict; 19use strict;
15 20
21sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22
23our %COMMAND = ();
24our %COMMAND_TIME = ();
25our %EXTCMD = ();
26
16_init_vars; 27_init_vars;
17 28
18our %COMMAND = ();
19our @EVENT; 29our @EVENT;
20our $LIBDIR = maps_directory "perl"; 30our $LIBDIR = datadir . "/ext";
21 31
22our $TICK = MAX_TIME * 1e-6; 32our $TICK = MAX_TIME * 1e-6;
23our $TICK_WATCHER; 33our $TICK_WATCHER;
24our $NEXT_TICK; 34our $NEXT_TICK;
25 35
26our %CFG; 36our %CFG;
27 37
38our $UPTIME; $UPTIME ||= time;
39
28############################################################################# 40#############################################################################
29 41
30=head2 GLOBAL VARIABLES 42=head2 GLOBAL VARIABLES
31 43
32=over 4 44=over 4
45
46=item $cf::UPTIME
47
48The timestamp of the server start (so not actually an uptime).
33 49
34=item $cf::LIBDIR 50=item $cf::LIBDIR
35 51
36The perl library directory, where extensions and cf-specific modules can 52The perl library directory, where extensions and cf-specific modules can
37be found. It will be added to C<@INC> automatically. 53be found. It will be added to C<@INC> automatically.
58 print STDERR "cfperl: $msg"; 74 print STDERR "cfperl: $msg";
59 LOG llevError, "cfperl: $msg"; 75 LOG llevError, "cfperl: $msg";
60 }; 76 };
61} 77}
62 78
79@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
80@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
81@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
82@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
83@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
63@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 84@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
64 85
65# we bless all objects into (empty) derived classes to force a method lookup 86# we bless all objects into (empty) derived classes to force a method lookup
66# within the Safe compartment. 87# within the Safe compartment.
67for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { 88for my $pkg (qw(
89 cf::global
90 cf::object cf::object::player
91 cf::client cf::player
92 cf::arch cf::living
93 cf::map cf::party cf::region
94)) {
68 no strict 'refs'; 95 no strict 'refs';
69 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 96 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
70} 97}
71 98
72$Event::DIED = sub { 99$Event::DIED = sub {
74}; 101};
75 102
76my %ext_pkg; 103my %ext_pkg;
77my @exts; 104my @exts;
78my @hook; 105my @hook;
79my %command;
80my %extcmd;
81 106
82=head2 UTILITY FUNCTIONS 107=head2 UTILITY FUNCTIONS
83 108
84=over 4 109=over 4
85 110
113 138
114=cut 139=cut
115 140
116############################################################################# 141#############################################################################
117 142
118=head2 EVENTS AND OBJECT ATTACHMENTS 143=head2 ATTACHABLE OBJECTS
144
145You can define and attach attachments to each "attachable" object in
146crossfire+ (objects, players, clients, maps and the special "global"
147class). In the following description, CLASS can be any of C<global>,
148C<object> C<player>, C<client> or C<map>.
119 149
120=over 4 150=over 4
121 151
122=item $object->attach ($attachment, key => $value...) 152=item cf::CLASS::attachment $name, ...
123 153
124=item $object->detach ($attachment) 154Register an attachment by name through which attachable objects can refer
155to this attachment.
125 156
126Attach/detach a pre-registered attachment to an object.
127
128=item $player->attach ($attachment, key => $value...)
129
130=item $player->detach ($attachment)
131
132Attach/detach a pre-registered attachment to a player.
133
134=item $map->attach ($attachment, key => $value...)
135
136=item $map->detach ($attachment)
137
138Attach/detach a pre-registered attachment to a map.
139
140=item $bool = $object->attached ($name)
141
142=item $bool = $player->attached ($name)
143
144=item $bool = $map->attached ($name) 157=item $bool = $attachable->attached ($name)
145 158
146Checks wether the named attachment is currently attached to the object. 159Checks wether the named attachment is currently attached to the object.
147 160
148=item cf::attach_global ... 161=item $attachable->attach ($attachment, key => $value...)
149 162
150Attach handlers for global events. 163=item $attachable->detach ($attachment)
151 164
152This and all following C<attach_*>-functions expect any number of the 165Attach/detach a pre-registered attachment either to a specific object
153following handler/hook descriptions: 166(C<$attachable>) or all objects of the given class (if C<$attachable> is a
167class in a static method call).
168
169You can attach to global events by using the C<cf::global> class.
170
171These method calls expect any number of the following handler/hook
172descriptions:
154 173
155=over 4 174=over 4
156 175
157=item prio => $number 176=item prio => $number
158 177
160by another C<prio> setting). Lower priority handlers get executed 179by another C<prio> setting). Lower priority handlers get executed
161earlier. The default priority is C<0>, and many built-in handlers are 180earlier. The default priority is C<0>, and many built-in handlers are
162registered at priority C<-1000>, so lower priorities should not be used 181registered at priority C<-1000>, so lower priorities should not be used
163unless you know what you are doing. 182unless you know what you are doing.
164 183
184=item type => $type
185
186(Only for C<< cf::object->attach >> calls), limits the attachment to the
187given type of objects only (the additional parameter C<subtype> can be
188used to further limit to the given subtype).
189
165=item on_I<event> => \&cb 190=item on_I<event> => \&cb
166 191
167Call the given code reference whenever the named event happens (event is 192Call the given code reference whenever the named event happens (event is
168something like C<instantiate>, C<apply>, C<use_skill> and so on, and which 193something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
169handlers are recognised generally depends on the type of object these 194handlers are recognised generally depends on the type of object these
178package and register them. Only handlers for eevents supported by the 203package and register them. Only handlers for eevents supported by the
179object/class are recognised. 204object/class are recognised.
180 205
181=back 206=back
182 207
183=item cf::attach_to_type $object_type, $subtype, ...
184
185Attach handlers for a specific object type (e.g. TRANSPORT) and
186subtype. If C<$subtype> is zero or undef, matches all objects of the given
187type.
188
189=item cf::attach_to_objects ...
190
191Attach handlers to all objects. Do not use this except for debugging or
192very rare events, as handlers are (obviously) called for I<all> objects in
193the game.
194
195=item cf::attach_to_players ...
196
197Attach handlers to all players.
198
199=item cf::attach_to_maps ...
200
201Attach handlers to all maps.
202
203=item cf:register_attachment $name, ...
204
205Register an attachment by name through which objects can refer to this
206attachment.
207
208=item cf:register_player_attachment $name, ...
209
210Register an attachment by name through which players can refer to this
211attachment.
212
213=item cf:register_map_attachment $name, ...
214
215Register an attachment by name through which maps can refer to this
216attachment.
217
218=cut 208=cut
219 209
220# the following variables are defined in .xs and must not be re-created 210# the following variables are defined in .xs and must not be re-created
221our @CB_GLOBAL = (); # registry for all global events 211our @CB_GLOBAL = (); # registry for all global events
222our @CB_OBJECT = (); # all objects (should not be used except in emergency) 212our @CB_OBJECT = (); # all objects (should not be used except in emergency)
223our @CB_PLAYER = (); 213our @CB_PLAYER = ();
214our @CB_CLIENT = ();
224our @CB_TYPE = (); # registry for type (cf-object class) based events 215our @CB_TYPE = (); # registry for type (cf-object class) based events
225our @CB_MAP = (); 216our @CB_MAP = ();
226 217
227my %attachment; 218my %attachment;
228 219
229sub _attach_cb($\%$$$) { 220sub _attach_cb($$$$) {
230 my ($registry, $undo, $event, $prio, $cb) = @_; 221 my ($registry, $event, $prio, $cb) = @_;
231 222
232 use sort 'stable'; 223 use sort 'stable';
233 224
234 $cb = [$prio, $cb]; 225 $cb = [$prio, $cb];
235 226
236 @{$registry->[$event]} = sort 227 @{$registry->[$event]} = sort
237 { $a->[0] cmp $b->[0] } 228 { $a->[0] cmp $b->[0] }
238 @{$registry->[$event] || []}, $cb; 229 @{$registry->[$event] || []}, $cb;
239
240 push @{$undo->{cb}}, [$event, $cb];
241} 230}
242 231
243# attach handles attaching event callbacks 232# attach handles attaching event callbacks
244# the only thing the caller has to do is pass the correct 233# the only thing the caller has to do is pass the correct
245# registry (== where the callback attaches to). 234# registry (== where the callback attaches to).
246sub _attach(\@$@) { 235sub _attach {
247 my ($registry, $klass, @arg) = @_; 236 my ($registry, $klass, @arg) = @_;
248 237
238 my $object_type;
249 my $prio = 0; 239 my $prio = 0;
250
251 my %undo = (
252 registry => $registry,
253 cb => [],
254 );
255
256 my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; 240 my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
257 241
258 while (@arg) { 242 while (@arg) {
259 my $type = shift @arg; 243 my $type = shift @arg;
260 244
261 if ($type eq "prio") { 245 if ($type eq "prio") {
262 $prio = shift @arg; 246 $prio = shift @arg;
263 247
248 } elsif ($type eq "type") {
249 $object_type = shift @arg;
250 $registry = $CB_TYPE[$object_type] ||= [];
251
252 } elsif ($type eq "subtype") {
253 defined $object_type or Carp::croak "subtype specified without type";
254 my $object_subtype = shift @arg;
255 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];
256
264 } elsif ($type eq "package") { 257 } elsif ($type eq "package") {
265 my $pkg = shift @arg; 258 my $pkg = shift @arg;
266 259
267 while (my ($name, $id) = each %cb_id) { 260 while (my ($name, $id) = each %cb_id) {
268 if (my $cb = $pkg->can ($name)) { 261 if (my $cb = $pkg->can ($name)) {
269 _attach_cb $registry, %undo, $id, $prio, $cb; 262 _attach_cb $registry, $id, $prio, $cb;
270 } 263 }
271 } 264 }
272 265
273 } elsif (exists $cb_id{$type}) { 266 } elsif (exists $cb_id{$type}) {
274 _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg; 267 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
275 268
276 } elsif (ref $type) { 269 } elsif (ref $type) {
277 warn "attaching objects not supported, ignoring.\n"; 270 warn "attaching objects not supported, ignoring.\n";
278 271
279 } else { 272 } else {
280 shift @arg; 273 shift @arg;
281 warn "attach argument '$type' not supported, ignoring.\n"; 274 warn "attach argument '$type' not supported, ignoring.\n";
282 } 275 }
283 } 276 }
284
285 \%undo
286} 277}
287 278
288sub _attach_attachment { 279sub _object_attach {
289 my ($obj, $name, %arg) = @_; 280 my ($obj, $name, %arg) = @_;
290 281
291 return if exists $obj->{_attachment}{$name}; 282 return if exists $obj->{_attachment}{$name};
292
293 my $res;
294 283
295 if (my $attach = $attachment{$name}) { 284 if (my $attach = $attachment{$name}) {
296 my $registry = $obj->registry; 285 my $registry = $obj->registry;
297 286
298 for (@$attach) { 287 for (@$attach) {
299 my ($klass, @attach) = @$_; 288 my ($klass, @attach) = @$_;
300 $res = _attach @$registry, $klass, @attach; 289 _attach $registry, $klass, @attach;
301 } 290 }
302 291
303 $obj->{$name} = \%arg; 292 $obj->{$name} = \%arg;
304 } else { 293 } else {
305 warn "object uses attachment '$name' that is not available, postponing.\n"; 294 warn "object uses attachment '$name' that is not available, postponing.\n";
306 } 295 }
307 296
308 $obj->{_attachment}{$name} = undef; 297 $obj->{_attachment}{$name} = undef;
309
310 $res->{attachment} = $name;
311 $res
312} 298}
313 299
314*cf::object::attach = 300sub cf::attachable::attach {
315*cf::player::attach = 301 if (ref $_[0]) {
316*cf::map::attach = sub { 302 _object_attach @_;
317 my ($obj, $name, %arg) = @_; 303 } else {
318 304 _attach shift->_attach_registry, @_;
319 _attach_attachment $obj, $name, %arg; 305 }
320}; 306};
321 307
322# all those should be optimised 308# all those should be optimised
323*cf::object::detach = 309sub cf::attachable::detach {
324*cf::player::detach =
325*cf::map::detach = sub {
326 my ($obj, $name) = @_; 310 my ($obj, $name) = @_;
327 311
312 if (ref $obj) {
328 delete $obj->{_attachment}{$name}; 313 delete $obj->{_attachment}{$name};
329 reattach ($obj); 314 reattach ($obj);
315 } else {
316 Carp::croak "cannot, currently, detach class attachments";
317 }
330}; 318};
331 319
332*cf::object::attached = 320sub cf::attachable::attached {
333*cf::player::attached =
334*cf::map::attached = sub {
335 my ($obj, $name) = @_; 321 my ($obj, $name) = @_;
336 322
337 exists $obj->{_attachment}{$name} 323 exists $obj->{_attachment}{$name}
338};
339
340sub attach_global {
341 _attach @CB_GLOBAL, KLASS_GLOBAL, @_
342} 324}
343 325
344sub attach_to_type { 326for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {
345 my $type = shift; 327 eval "#line " . __LINE__ . " 'cf.pm'
346 my $subtype = shift; 328 sub cf::\L$klass\E::_attach_registry {
329 (\\\@CB_$klass, KLASS_$klass)
330 }
347 331
348 _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_ 332 sub cf::\L$klass\E::attachment {
349}
350
351sub attach_to_objects {
352 _attach @CB_OBJECT, KLASS_OBJECT, @_
353}
354
355sub attach_to_players {
356 _attach @CB_PLAYER, KLASS_PLAYER, @_
357}
358
359sub attach_to_maps {
360 _attach @CB_MAP, KLASS_MAP, @_
361}
362
363sub register_attachment {
364 my $name = shift; 333 my \$name = shift;
365 334
366 $attachment{$name} = [[KLASS_OBJECT, @_]];
367}
368
369sub register_player_attachment {
370 my $name = shift;
371
372 $attachment{$name} = [[KLASS_PLAYER, @_]];
373}
374
375sub register_map_attachment {
376 my $name = shift;
377
378 $attachment{$name} = [[KLASS_MAP, @_]]; 335 \$attachment{\$name} = [[KLASS_$klass, \@_]];
336 }
337 ";
338 die if $@;
379} 339}
380 340
381our $override; 341our $override;
382our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 342our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
383 343
413 373
414=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) 374=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
415 375
416=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) 376=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
417 377
378=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)
379
418=item $bool = $map->invoke (EVENT_MAP_XXX, ...) 380=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
419 381
420Generate a global/object/player/map-specific event with the given arguments. 382Generate a global/object/player/map-specific event with the given arguments.
421 383
422This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be 384This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
427 389
428=cut 390=cut
429 391
430############################################################################# 392#############################################################################
431 393
432=head2 METHODS VALID FOR ALL CORE OBJECTS 394=head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS
395
396Attachable objects includes objects, players, clients and maps.
433 397
434=over 4 398=over 4
435 399
436=item $object->valid, $player->valid, $map->valid 400=item $object->valid
437 401
438Just because you have a perl object does not mean that the corresponding 402Just because you have a perl object does not mean that the corresponding
439C-level object still exists. If you try to access an object that has no 403C-level object still exists. If you try to access an object that has no
440valid C counterpart anymore you get an exception at runtime. This method 404valid C counterpart anymore you get an exception at runtime. This method
441can be used to test for existence of the C object part without causing an 405can be used to test for existence of the C object part without causing an
443 407
444=back 408=back
445 409
446=cut 410=cut
447 411
448*cf::object::valid =
449*cf::player::valid =
450*cf::map::valid = \&cf::_valid;
451
452############################################################################# 412#############################################################################
453# object support 413# object support
454 414
455sub instantiate { 415sub instantiate {
456 my ($obj, $data) = @_; 416 my ($obj, $data) = @_;
475 435
476 for my $name (keys %{ $obj->{_attachment} || {} }) { 436 for my $name (keys %{ $obj->{_attachment} || {} }) {
477 if (my $attach = $attachment{$name}) { 437 if (my $attach = $attachment{$name}) {
478 for (@$attach) { 438 for (@$attach) {
479 my ($klass, @attach) = @$_; 439 my ($klass, @attach) = @$_;
480 _attach @$registry, $klass, @attach; 440 _attach $registry, $klass, @attach;
481 } 441 }
482 } else { 442 } else {
483 warn "object uses attachment '$name' that is not available, postponing.\n"; 443 warn "object uses attachment '$name' that is not available, postponing.\n";
484 } 444 }
485 } 445 }
514 unlink $filename; 474 unlink $filename;
515 unlink "$filename.pst"; 475 unlink "$filename.pst";
516 } 476 }
517} 477}
518 478
479sub object_freezer_as_string {
480 my ($rdata, $objs) = @_;
481
482 use Data::Dumper;
483
484 $$rdata . Dumper $objs
485}
486
519sub object_thawer_load { 487sub object_thawer_load {
520 my ($filename) = @_; 488 my ($filename) = @_;
521 489
522 local $/; 490 local $/;
523 491
533 } 501 }
534 502
535 () 503 ()
536} 504}
537 505
538attach_to_objects 506cf::object->attach (
539 prio => -1000000, 507 prio => -1000000,
540 on_clone => sub { 508 on_clone => sub {
541 my ($src, $dst) = @_; 509 my ($src, $dst) = @_;
542 510
543 @{$dst->registry} = @{$src->registry}; 511 @{$dst->registry} = @{$src->registry};
545 %$dst = %$src; 513 %$dst = %$src;
546 514
547 %{$dst->{_attachment}} = %{$src->{_attachment}} 515 %{$dst->{_attachment}} = %{$src->{_attachment}}
548 if exists $src->{_attachment}; 516 if exists $src->{_attachment};
549 }, 517 },
550; 518);
551 519
552############################################################################# 520#############################################################################
553# old plug-in events 521# command handling &c
554 522
555sub inject_event { 523=item cf::register_command $name => \&callback($ob,$args);
556 my $extension = shift;
557 my $event_code = shift;
558 524
559 my $cb = $hook[$event_code]{$extension} 525Register a callback for execution when the client sends the user command
560 or return; 526$name.
561 527
562 &$cb 528=cut
563}
564
565sub inject_global_event {
566 my $event = shift;
567
568 my $cb = $hook[$event]
569 or return;
570
571 List::Util::max map &$_, values %$cb
572}
573
574sub inject_command {
575 my ($name, $obj, $params) = @_;
576
577 for my $cmd (@{ $command{$name} }) {
578 $cmd->[1]->($obj, $params);
579 }
580
581 -1
582}
583 529
584sub register_command { 530sub register_command {
585 my ($name, $time, $cb) = @_; 531 my ($name, $cb) = @_;
586 532
587 my $caller = caller; 533 my $caller = caller;
588 #warn "registering command '$name/$time' to '$caller'"; 534 #warn "registering command '$name/$time' to '$caller'";
589 535
590 push @{ $command{$name} }, [$time, $cb, $caller]; 536 push @{ $COMMAND{$name} }, [$caller, $cb];
591 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
592} 537}
538
539=item cf::register_extcmd $name => \&callback($pl,$packet);
540
541Register a callbackf ro execution when the client sends an extcmd packet.
542
543If the callback returns something, it is sent back as if reply was being
544called.
545
546=cut
593 547
594sub register_extcmd { 548sub register_extcmd {
595 my ($name, $cb) = @_; 549 my ($name, $cb) = @_;
596 550
597 my $caller = caller; 551 my $caller = caller;
598 #warn "registering extcmd '$name' to '$caller'"; 552 #warn "registering extcmd '$name' to '$caller'";
599 553
600 $extcmd{$name} = [$cb, $caller]; 554 $EXTCMD{$name} = [$cb, $caller];
601} 555}
556
557cf::player->attach (
558 on_command => sub {
559 my ($pl, $name, $params) = @_;
560
561 my $cb = $COMMAND{$name}
562 or return;
563
564 for my $cmd (@$cb) {
565 $cmd->[1]->($pl->ob, $params);
566 }
567
568 cf::override;
569 },
570 on_extcmd => sub {
571 my ($pl, $buf) = @_;
572
573 my $msg = eval { from_json $buf };
574
575 if (ref $msg) {
576 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
577 if (my %reply = $cb->[0]->($pl, $msg)) {
578 $pl->ext_reply ($msg->{msgid}, %reply);
579 }
580 }
581 } else {
582 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
583 }
584
585 cf::override;
586 },
587);
602 588
603sub register { 589sub register {
604 my ($base, $pkg) = @_; 590 my ($base, $pkg) = @_;
605 591
606 #TODO 592 #TODO
625 . "#line 1 \"$path\"\n{\n" 611 . "#line 1 \"$path\"\n{\n"
626 . (do { local $/; <$fh> }) 612 . (do { local $/; <$fh> })
627 . "\n};\n1"; 613 . "\n};\n1";
628 614
629 eval $source 615 eval $source
630 or die "$path: $@"; 616 or die $@ ? "$path: $@\n"
617 : "extension disabled.\n";
631 618
632 push @exts, $pkg; 619 push @exts, $pkg;
633 $ext_pkg{$base} = $pkg; 620 $ext_pkg{$base} = $pkg;
634 621
635# no strict 'refs'; 622# no strict 'refs';
648# for my $idx (0 .. $#PLUGIN_EVENT) { 635# for my $idx (0 .. $#PLUGIN_EVENT) {
649# delete $hook[$idx]{$pkg}; 636# delete $hook[$idx]{$pkg};
650# } 637# }
651 638
652 # remove commands 639 # remove commands
653 for my $name (keys %command) { 640 for my $name (keys %COMMAND) {
654 my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; 641 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
655 642
656 if (@cb) { 643 if (@cb) {
657 $command{$name} = \@cb; 644 $COMMAND{$name} = \@cb;
658 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
659 } else { 645 } else {
660 delete $command{$name};
661 delete $COMMAND{"$name\000"}; 646 delete $COMMAND{$name};
662 } 647 }
663 } 648 }
664 649
665 # remove extcmds 650 # remove extcmds
666 for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { 651 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
667 delete $extcmd{$name}; 652 delete $EXTCMD{$name};
668 } 653 }
669 654
670 if (my $cb = $pkg->can ("unload")) { 655 if (my $cb = $pkg->can ("unload")) {
671 eval { 656 eval {
672 $cb->($pkg); 657 $cb->($pkg);
676 661
677 Symbol::delete_package $pkg; 662 Symbol::delete_package $pkg;
678} 663}
679 664
680sub load_extensions { 665sub load_extensions {
681 my $LIBDIR = maps_directory "perl";
682
683 for my $ext (<$LIBDIR/*.ext>) { 666 for my $ext (<$LIBDIR/*.ext>) {
684 next unless -r $ext; 667 next unless -r $ext;
685 eval { 668 eval {
686 load_extension $ext; 669 load_extension $ext;
687 1 670 1
688 } or warn "$ext not loaded: $@"; 671 } or warn "$ext not loaded: $@";
689 } 672 }
690} 673}
691 674
692############################################################################# 675#############################################################################
693# extcmd framework, basically convert ext <msg>
694# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
695
696attach_to_players
697 on_extcmd => sub {
698 my ($pl, $buf) = @_;
699
700 my $msg = eval { from_json $buf };
701
702 if (ref $msg) {
703 if (my $cb = $extcmd{$msg->{msgtype}}) {
704 if (my %reply = $cb->[0]->($pl, $msg)) {
705 $pl->ext_reply ($msg->{msgid}, %reply);
706 }
707 }
708 } else {
709 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
710 }
711
712 cf::override;
713 },
714;
715
716#############################################################################
717# load/save/clean perl data associated with a map 676# load/save/clean perl data associated with a map
718 677
719*cf::mapsupport::on_clean = sub { 678*cf::mapsupport::on_clean = sub {
720 my ($map) = @_; 679 my ($map) = @_;
721 680
723 defined $path or return; 682 defined $path or return;
724 683
725 unlink "$path.pst"; 684 unlink "$path.pst";
726}; 685};
727 686
728attach_to_maps prio => -10000, package => cf::mapsupport::; 687cf::map->attach (prio => -10000, package => cf::mapsupport::);
729 688
730############################################################################# 689#############################################################################
731# load/save perl data associated with player->ob objects 690# load/save perl data associated with player->ob objects
732 691
733sub all_objects(@) { 692sub all_objects(@) {
734 @_, map all_objects ($_->inv), @_ 693 @_, map all_objects ($_->inv), @_
735} 694}
736 695
737# TODO: compatibility cruft, remove when no longer needed 696# TODO: compatibility cruft, remove when no longer needed
738attach_to_players 697cf::player->attach (
739 on_load => sub { 698 on_load => sub {
740 my ($pl, $path) = @_; 699 my ($pl, $path) = @_;
741 700
742 for my $o (all_objects $pl->ob) { 701 for my $o (all_objects $pl->ob) {
743 if (my $value = $o->get_ob_key_value ("_perl_data")) { 702 if (my $value = $o->get_ob_key_value ("_perl_data")) {
745 704
746 %$o = %{ Storable::thaw pack "H*", $value }; 705 %$o = %{ Storable::thaw pack "H*", $value };
747 } 706 }
748 } 707 }
749 }, 708 },
750; 709);
751 710
752############################################################################# 711#############################################################################
753 712
754=head2 CORE EXTENSIONS 713=head2 CORE EXTENSIONS
755 714
766sub cf::player::exists($) { 725sub cf::player::exists($) {
767 cf::player::find $_[0] 726 cf::player::find $_[0]
768 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 727 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
769} 728}
770 729
771=item $player->reply ($npc, $msg[, $flags]) 730=item $player_object->reply ($npc, $msg[, $flags])
772 731
773Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 732Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
774can be C<undef>. Does the right thing when the player is currently in a 733can be C<undef>. Does the right thing when the player is currently in a
775dialogue with the given NPC character. 734dialogue with the given NPC character.
776 735
803 $msg{msgid} = $id; 762 $msg{msgid} = $id;
804 763
805 $self->send ("ext " . to_json \%msg); 764 $self->send ("ext " . to_json \%msg);
806} 765}
807 766
808=back 767=item $player_object->may ("access")
768
769Returns wether the given player is authorized to access resource "access"
770(e.g. "command_wizcast").
771
772=cut
773
774sub cf::object::player::may {
775 my ($self, $access) = @_;
776
777 $self->flag (cf::FLAG_WIZ) ||
778 (ref $cf::CFG{"may_$access"}
779 ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
780 : $cf::CFG{"may_$access"})
781}
809 782
810=cut 783=cut
811 784
812############################################################################# 785#############################################################################
813 786
815 788
816Functions that provide a safe environment to compile and execute 789Functions that provide a safe environment to compile and execute
817snippets of perl code without them endangering the safety of the server 790snippets of perl code without them endangering the safety of the server
818itself. Looping constructs, I/O operators and other built-in functionality 791itself. Looping constructs, I/O operators and other built-in functionality
819is not available in the safe scripting environment, and the number of 792is not available in the safe scripting environment, and the number of
820functions and methods that cna be called is greatly reduced. 793functions and methods that can be called is greatly reduced.
821 794
822=cut 795=cut
823 796
824our $safe = new Safe "safe"; 797our $safe = new Safe "safe";
825our $safe_hole = new Safe::Hole; 798our $safe_hole = new Safe::Hole;
832 805
833=pod 806=pod
834 807
835The following fucntions and emthods are available within a safe environment: 808The following fucntions and emthods are available within a safe environment:
836 809
837 cf::object contr pay_amount pay_player 810 cf::object contr pay_amount pay_player map
838 cf::object::player player 811 cf::object::player player
839 cf::player peaceful 812 cf::player peaceful
813 cf::map trigger
840 814
841=cut 815=cut
842 816
843for ( 817for (
844 ["cf::object" => qw(contr pay_amount pay_player)], 818 ["cf::object" => qw(contr pay_amount pay_player map)],
845 ["cf::object::player" => qw(player)], 819 ["cf::object::player" => qw(player)],
846 ["cf::player" => qw(peaceful)], 820 ["cf::player" => qw(peaceful)],
821 ["cf::map" => qw(trigger)],
847) { 822) {
848 no strict 'refs'; 823 no strict 'refs';
849 my ($pkg, @funs) = @$_; 824 my ($pkg, @funs) = @$_;
850 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 825 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
851 for @funs; 826 for @funs;
961 936
962Immediately write the database to disk I<if it is dirty>. 937Immediately write the database to disk I<if it is dirty>.
963 938
964=cut 939=cut
965 940
941our $DB;
942
966{ 943{
967 my $db;
968 my $path = cf::localdir . "/database.pst"; 944 my $path = cf::localdir . "/database.pst";
969 945
970 sub db_load() { 946 sub db_load() {
971 warn "loading database $path\n";#d# remove later 947 warn "loading database $path\n";#d# remove later
972 $db = stat $path ? Storable::retrieve $path : { }; 948 $DB = stat $path ? Storable::retrieve $path : { };
973 } 949 }
974 950
975 my $pid; 951 my $pid;
976 952
977 sub db_save() { 953 sub db_save() {
978 warn "saving database $path\n";#d# remove later 954 warn "saving database $path\n";#d# remove later
979 waitpid $pid, 0 if $pid; 955 waitpid $pid, 0 if $pid;
980 if (0 == ($pid = fork)) { 956 if (0 == ($pid = fork)) {
981 $db->{_meta}{version} = 1; 957 $DB->{_meta}{version} = 1;
982 Storable::nstore $db, "$path~"; 958 Storable::nstore $DB, "$path~";
983 rename "$path~", $path; 959 rename "$path~", $path;
984 cf::_exit 0 if defined $pid; 960 cf::_exit 0 if defined $pid;
985 } 961 }
986 } 962 }
987 963
990 sub db_sync() { 966 sub db_sync() {
991 db_save if $dirty; 967 db_save if $dirty;
992 undef $dirty; 968 undef $dirty;
993 } 969 }
994 970
995 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub { 971 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
996 db_sync; 972 db_sync;
997 }); 973 });
998 974
999 sub db_dirty() { 975 sub db_dirty() {
1000 $dirty = 1; 976 $dirty = 1;
1001 $idle->start; 977 $idle->start;
1002 } 978 }
1003 979
1004 sub db_get($;$) { 980 sub db_get($;$) {
1005 @_ >= 2 981 @_ >= 2
1006 ? $db->{$_[0]}{$_[1]} 982 ? $DB->{$_[0]}{$_[1]}
1007 : ($db->{$_[0]} ||= { }) 983 : ($DB->{$_[0]} ||= { })
1008 } 984 }
1009 985
1010 sub db_put($$;$) { 986 sub db_put($$;$) {
1011 if (@_ >= 3) { 987 if (@_ >= 3) {
1012 $db->{$_[0]}{$_[1]} = $_[2]; 988 $DB->{$_[0]}{$_[1]} = $_[2];
1013 } else { 989 } else {
1014 $db->{$_[0]} = $_[1]; 990 $DB->{$_[0]} = $_[1];
1015 } 991 }
1016 db_dirty; 992 db_dirty;
1017 } 993 }
1018 994
1019 attach_global 995 cf::global->attach (
1020 prio => 10000, 996 prio => 10000,
1021 on_cleanup => sub { 997 on_cleanup => sub {
1022 db_sync; 998 db_sync;
1023 }, 999 },
1024 ; 1000 );
1025} 1001}
1026 1002
1027############################################################################# 1003#############################################################################
1028# the server's main() 1004# the server's main()
1029 1005
1006sub cfg_load {
1007 open my $fh, "<:utf8", cf::confdir . "/config"
1008 or return;
1009
1010 local $/;
1011 *CFG = YAML::Syck::Load <$fh>;
1012}
1013
1030sub main { 1014sub main {
1015 cfg_load;
1031 db_load; 1016 db_load;
1032 load_extensions; 1017 load_extensions;
1033 Event::loop; 1018 Event::loop;
1034} 1019}
1035 1020
1041 1026
1042 $msg->("reloading..."); 1027 $msg->("reloading...");
1043 1028
1044 eval { 1029 eval {
1045 # cancel all watchers 1030 # cancel all watchers
1046 $_->cancel for Event::all_watchers; 1031 for (Event::all_watchers) {
1032 $_->cancel if $_->data & WF_AUTOCANCEL;
1033 }
1047 1034
1048 # unload all extensions 1035 # unload all extensions
1049 for (@exts) { 1036 for (@exts) {
1050 $msg->("unloading <$_>"); 1037 $msg->("unloading <$_>");
1051 unload_extension $_; 1038 unload_extension $_;
1087 1074
1088 # reload cf.pm 1075 # reload cf.pm
1089 $msg->("reloading cf.pm"); 1076 $msg->("reloading cf.pm");
1090 require cf; 1077 require cf;
1091 1078
1092 # load database again 1079 # load config and database again
1080 cf::cfg_load;
1093 cf::db_load; 1081 cf::db_load;
1094 1082
1095 # load extensions 1083 # load extensions
1096 $msg->("load extensions"); 1084 $msg->("load extensions");
1097 cf::load_extensions; 1085 cf::load_extensions;
1110 warn $_[0]; 1098 warn $_[0];
1111 print "$_[0]\n"; 1099 print "$_[0]\n";
1112 }; 1100 };
1113} 1101}
1114 1102
1103register "<global>", __PACKAGE__;
1104
1115register_command "perl-reload", 0, sub { 1105register_command "perl-reload" => sub {
1116 my ($who, $arg) = @_; 1106 my ($who, $arg) = @_;
1117 1107
1118 if ($who->flag (FLAG_WIZ)) { 1108 if ($who->flag (FLAG_WIZ)) {
1119 _perl_reload { 1109 _perl_reload {
1120 warn $_[0]; 1110 warn $_[0];
1121 $who->message ($_[0]); 1111 $who->message ($_[0]);
1122 }; 1112 };
1123 } 1113 }
1124}; 1114};
1125 1115
1126register "<global>", __PACKAGE__;
1127
1128unshift @INC, $LIBDIR; 1116unshift @INC, $LIBDIR;
1129 1117
1130$TICK_WATCHER = Event->timer ( 1118$TICK_WATCHER = Event->timer (
1131 prio => 1, 1119 prio => 0,
1132 at => $NEXT_TICK || 1, 1120 at => $NEXT_TICK || 1,
1121 data => WF_AUTOCANCEL,
1133 cb => sub { 1122 cb => sub {
1134 cf::server_tick; # one server iteration 1123 cf::server_tick; # one server iteration
1135 1124
1136 my $NOW = Event::time; 1125 my $NOW = Event::time;
1137 $NEXT_TICK += $TICK; 1126 $NEXT_TICK += $TICK;
1138 1127
1139 # if we are delayed by four ticks, skip them all 1128 # if we are delayed by four ticks or more, skip them all
1140 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; 1129 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1141 1130
1142 $TICK_WATCHER->at ($NEXT_TICK); 1131 $TICK_WATCHER->at ($NEXT_TICK);
1143 $TICK_WATCHER->start; 1132 $TICK_WATCHER->start;
1144 }, 1133 },
1145); 1134);
1146 1135
1136IO::AIO::max_poll_time $TICK * 0.2;
1137
1138Event->io (fd => IO::AIO::poll_fileno,
1139 poll => 'r',
1140 prio => 5,
1141 data => WF_AUTOCANCEL,
1142 cb => \&IO::AIO::poll_cb);
1143
11471 11441
1148 1145

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