1 | package cf; |
1 | package cf; |
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2 | |
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3 | use utf8; |
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4 | use strict; |
2 | |
5 | |
3 | use Symbol; |
6 | use Symbol; |
4 | use List::Util; |
7 | use List::Util; |
5 | use Storable; |
8 | use Storable; |
6 | use Opcode; |
9 | use Opcode; |
7 | use Safe; |
10 | use Safe; |
8 | use Safe::Hole; |
11 | use Safe::Hole; |
9 | |
12 | |
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13 | use Coro; |
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14 | use Coro::Event; |
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15 | use Coro::Timer; |
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16 | use Coro::Signal; |
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17 | use Coro::Semaphore; |
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18 | |
10 | use IO::AIO (); |
19 | use IO::AIO 2.3; |
11 | use YAML::Syck (); |
20 | use YAML::Syck (); |
12 | use Time::HiRes; |
21 | use Time::HiRes; |
13 | use Event; |
22 | |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
23 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
15 | |
24 | |
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
25 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
17 | $YAML::Syck::ImplicitUnicode = 1; |
26 | $YAML::Syck::ImplicitUnicode = 1; |
18 | |
27 | |
19 | use strict; |
28 | $Coro::main->prio (Coro::PRIO_MIN); |
20 | |
29 | |
21 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
30 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
22 | |
31 | |
23 | our %COMMAND = (); |
32 | our %COMMAND = (); |
24 | our %COMMAND_TIME = (); |
33 | our %COMMAND_TIME = (); |
25 | our %EXTCMD = (); |
34 | our %EXTCMD = (); |
26 | |
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27 | _init_vars; |
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28 | |
35 | |
29 | our @EVENT; |
36 | our @EVENT; |
30 | our $LIBDIR = datadir . "/ext"; |
37 | our $LIBDIR = datadir . "/ext"; |
31 | |
38 | |
32 | our $TICK = MAX_TIME * 1e-6; |
39 | our $TICK = MAX_TIME * 1e-6; |
… | |
… | |
84 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
91 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
85 | |
92 | |
86 | # we bless all objects into (empty) derived classes to force a method lookup |
93 | # we bless all objects into (empty) derived classes to force a method lookup |
87 | # within the Safe compartment. |
94 | # within the Safe compartment. |
88 | for my $pkg (qw( |
95 | for my $pkg (qw( |
89 | cf::global |
96 | cf::global cf::attachable |
90 | cf::object cf::object::player |
97 | cf::object cf::object::player |
91 | cf::client cf::player |
98 | cf::client cf::player |
92 | cf::arch cf::living |
99 | cf::arch cf::living |
93 | cf::map cf::party cf::region |
100 | cf::map cf::party cf::region |
94 | )) { |
101 | )) { |
… | |
… | |
249 | my ($self, $victim) = @_; |
256 | my ($self, $victim) = @_; |
250 | ... |
257 | ... |
251 | } |
258 | } |
252 | } |
259 | } |
253 | |
260 | |
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261 | =item $attachable->valid |
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262 | |
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263 | Just because you have a perl object does not mean that the corresponding |
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264 | C-level object still exists. If you try to access an object that has no |
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265 | valid C counterpart anymore you get an exception at runtime. This method |
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266 | can be used to test for existence of the C object part without causing an |
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267 | exception. |
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268 | |
254 | =cut |
269 | =cut |
255 | |
270 | |
256 | # the following variables are defined in .xs and must not be re-created |
271 | # the following variables are defined in .xs and must not be re-created |
257 | our @CB_GLOBAL = (); # registry for all global events |
272 | our @CB_GLOBAL = (); # registry for all global events |
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273 | our @CB_ATTACHABLE = (); # registry for all attachables |
258 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
274 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
259 | our @CB_PLAYER = (); |
275 | our @CB_PLAYER = (); |
260 | our @CB_CLIENT = (); |
276 | our @CB_CLIENT = (); |
261 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
277 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
262 | our @CB_MAP = (); |
278 | our @CB_MAP = (); |
263 | |
279 | |
264 | my %attachment; |
280 | my %attachment; |
265 | |
281 | |
266 | sub _attach_cb($$$$) { |
282 | sub _attach_cb($$$$) { |
267 | my ($registry, $event, $prio, $cb) = @_; |
283 | my ($registry, $event, $prio, $cb) = @_; |
… | |
… | |
272 | |
288 | |
273 | @{$registry->[$event]} = sort |
289 | @{$registry->[$event]} = sort |
274 | { $a->[0] cmp $b->[0] } |
290 | { $a->[0] cmp $b->[0] } |
275 | @{$registry->[$event] || []}, $cb; |
291 | @{$registry->[$event] || []}, $cb; |
276 | } |
292 | } |
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293 | |
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294 | # hack |
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295 | my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
277 | |
296 | |
278 | # attach handles attaching event callbacks |
297 | # attach handles attaching event callbacks |
279 | # the only thing the caller has to do is pass the correct |
298 | # the only thing the caller has to do is pass the correct |
280 | # registry (== where the callback attaches to). |
299 | # registry (== where the callback attaches to). |
281 | sub _attach { |
300 | sub _attach { |
… | |
… | |
283 | |
302 | |
284 | my $object_type; |
303 | my $object_type; |
285 | my $prio = 0; |
304 | my $prio = 0; |
286 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
305 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
287 | |
306 | |
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307 | #TODO: get rid of this hack |
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308 | if ($attachable_klass{$klass}) { |
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309 | %cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT); |
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310 | } |
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311 | |
288 | while (@arg) { |
312 | while (@arg) { |
289 | my $type = shift @arg; |
313 | my $type = shift @arg; |
290 | |
314 | |
291 | if ($type eq "prio") { |
315 | if ($type eq "prio") { |
292 | $prio = shift @arg; |
316 | $prio = shift @arg; |
… | |
… | |
367 | my ($obj, $name) = @_; |
391 | my ($obj, $name) = @_; |
368 | |
392 | |
369 | exists $obj->{_attachment}{$name} |
393 | exists $obj->{_attachment}{$name} |
370 | } |
394 | } |
371 | |
395 | |
372 | for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) { |
396 | for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
373 | eval "#line " . __LINE__ . " 'cf.pm' |
397 | eval "#line " . __LINE__ . " 'cf.pm' |
374 | sub cf::\L$klass\E::_attach_registry { |
398 | sub cf::\L$klass\E::_attach_registry { |
375 | (\\\@CB_$klass, KLASS_$klass) |
399 | (\\\@CB_$klass, KLASS_$klass) |
376 | } |
400 | } |
377 | |
401 | |
… | |
… | |
413 | } |
437 | } |
414 | |
438 | |
415 | 0 |
439 | 0 |
416 | } |
440 | } |
417 | |
441 | |
418 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
442 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
419 | |
443 | |
420 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
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421 | |
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422 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
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423 | |
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424 | =item $bool = $client->invoke (EVENT_CLIENT_XXX, ...) |
444 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
425 | |
445 | |
426 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
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427 | |
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428 | Generate a global/object/player/map-specific event with the given arguments. |
446 | Generate an object-specific event with the given arguments. |
429 | |
447 | |
430 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
448 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
431 | removed in future versions), and there is no public API to access override |
449 | removed in future versions), and there is no public API to access override |
432 | results (if you must, access C<@cf::invoke_results> directly). |
450 | results (if you must, access C<@cf::invoke_results> directly). |
433 | |
451 | |
434 | =back |
452 | =back |
435 | |
453 | |
436 | =cut |
454 | =cut |
437 | |
455 | |
438 | ############################################################################# |
456 | ############################################################################# |
439 | |
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440 | =head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS |
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441 | |
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442 | Attachable objects includes objects, players, clients and maps. |
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443 | |
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444 | =over 4 |
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445 | |
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446 | =item $object->valid |
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447 | |
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448 | Just because you have a perl object does not mean that the corresponding |
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449 | C-level object still exists. If you try to access an object that has no |
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450 | valid C counterpart anymore you get an exception at runtime. This method |
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451 | can be used to test for existence of the C object part without causing an |
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452 | exception. |
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453 | |
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454 | =back |
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455 | |
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456 | =cut |
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457 | |
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458 | ############################################################################# |
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459 | # object support |
457 | # object support |
460 | |
458 | |
461 | sub instantiate { |
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462 | my ($obj, $data) = @_; |
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463 | |
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464 | $data = from_json $data; |
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465 | |
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466 | for (@$data) { |
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467 | my ($name, $args) = @$_; |
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468 | |
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469 | $obj->attach ($name, %{$args || {} }); |
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470 | } |
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471 | } |
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472 | |
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473 | # basically do the same as instantiate, without calling instantiate |
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474 | sub reattach { |
459 | sub reattach { |
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460 | # basically do the same as instantiate, without calling instantiate |
475 | my ($obj) = @_; |
461 | my ($obj) = @_; |
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462 | |
476 | my $registry = $obj->registry; |
463 | my $registry = $obj->registry; |
477 | |
464 | |
478 | @$registry = (); |
465 | @$registry = (); |
479 | |
466 | |
480 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
467 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
… | |
… | |
489 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
476 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
490 | } |
477 | } |
491 | } |
478 | } |
492 | } |
479 | } |
493 | |
480 | |
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481 | cf::attachable->attach ( |
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482 | prio => -1000000, |
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483 | on_instantiate => sub { |
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484 | my ($obj, $data) = @_; |
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485 | |
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486 | $data = from_json $data; |
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487 | |
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488 | for (@$data) { |
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489 | my ($name, $args) = @$_; |
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490 | |
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491 | $obj->attach ($name, %{$args || {} }); |
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492 | } |
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493 | }, |
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494 | on_reattach => \&reattach, |
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495 | on_clone => sub { |
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496 | my ($src, $dst) = @_; |
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497 | |
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498 | @{$dst->registry} = @{$src->registry}; |
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499 | |
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500 | %$dst = %$src; |
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501 | |
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502 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
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503 | if exists $src->{_attachment}; |
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504 | }, |
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505 | ); |
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506 | |
494 | sub object_freezer_save { |
507 | sub object_freezer_save { |
495 | my ($filename, $rdata, $objs) = @_; |
508 | my ($filename, $rdata, $objs) = @_; |
496 | |
509 | |
497 | if (length $$rdata) { |
510 | if (length $$rdata) { |
498 | warn sprintf "saving %s (%d,%d)\n", |
511 | warn sprintf "saving %s (%d,%d)\n", |
… | |
… | |
547 | } |
560 | } |
548 | |
561 | |
549 | () |
562 | () |
550 | } |
563 | } |
551 | |
564 | |
552 | cf::object->attach ( |
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553 | prio => -1000000, |
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554 | on_clone => sub { |
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555 | my ($src, $dst) = @_; |
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556 | |
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557 | @{$dst->registry} = @{$src->registry}; |
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558 | |
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559 | %$dst = %$src; |
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560 | |
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561 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
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562 | if exists $src->{_attachment}; |
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563 | }, |
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564 | ); |
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565 | |
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566 | ############################################################################# |
565 | ############################################################################# |
567 | # command handling &c |
566 | # command handling &c |
568 | |
567 | |
569 | =item cf::register_command $name => \&callback($ob,$args); |
568 | =item cf::register_command $name => \&callback($ob,$args); |
570 | |
569 | |
… | |
… | |
758 | |
757 | |
759 | =head2 CORE EXTENSIONS |
758 | =head2 CORE EXTENSIONS |
760 | |
759 | |
761 | Functions and methods that extend core crossfire objects. |
760 | Functions and methods that extend core crossfire objects. |
762 | |
761 | |
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762 | =head3 cf::player |
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763 | |
763 | =over 4 |
764 | =over 4 |
764 | |
765 | |
765 | =item cf::player::exists $login |
766 | =item cf::player::exists $login |
766 | |
767 | |
767 | Returns true when the given account exists. |
768 | Returns true when the given account exists. |
… | |
… | |
771 | sub cf::player::exists($) { |
772 | sub cf::player::exists($) { |
772 | cf::player::find $_[0] |
773 | cf::player::find $_[0] |
773 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
774 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
774 | } |
775 | } |
775 | |
776 | |
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777 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
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778 | |
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779 | Sends an ext reply to the player. |
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780 | |
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781 | =cut |
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782 | |
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783 | sub cf::player::ext_reply($$$%) { |
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784 | my ($self, $id, %msg) = @_; |
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785 | |
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786 | $msg{msgid} = $id; |
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787 | |
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788 | $self->send ("ext " . to_json \%msg); |
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789 | } |
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790 | |
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791 | =back |
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792 | |
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793 | =head3 cf::object::player |
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794 | |
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795 | =over 4 |
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796 | |
776 | =item $player_object->reply ($npc, $msg[, $flags]) |
797 | =item $player_object->reply ($npc, $msg[, $flags]) |
777 | |
798 | |
778 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
799 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
779 | can be C<undef>. Does the right thing when the player is currently in a |
800 | can be C<undef>. Does the right thing when the player is currently in a |
780 | dialogue with the given NPC character. |
801 | dialogue with the given NPC character. |
781 | |
802 | |
782 | =cut |
803 | =cut |
783 | |
804 | |
784 | # rough implementation of a future "reply" method that works |
805 | # rough implementation of a future "reply" method that works |
785 | # with dialog boxes. |
806 | # with dialog boxes. |
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807 | #TODO: the first argument must go, split into a $npc->reply_to ( method |
786 | sub cf::object::player::reply($$$;$) { |
808 | sub cf::object::player::reply($$$;$) { |
787 | my ($self, $npc, $msg, $flags) = @_; |
809 | my ($self, $npc, $msg, $flags) = @_; |
788 | |
810 | |
789 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
811 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
790 | |
812 | |
… | |
… | |
794 | $msg = $npc->name . " says: $msg" if $npc; |
816 | $msg = $npc->name . " says: $msg" if $npc; |
795 | $self->message ($msg, $flags); |
817 | $self->message ($msg, $flags); |
796 | } |
818 | } |
797 | } |
819 | } |
798 | |
820 | |
799 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
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800 | |
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801 | Sends an ext reply to the player. |
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802 | |
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803 | =cut |
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804 | |
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805 | sub cf::player::ext_reply($$$%) { |
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806 | my ($self, $id, %msg) = @_; |
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807 | |
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808 | $msg{msgid} = $id; |
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809 | |
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810 | $self->send ("ext " . to_json \%msg); |
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811 | } |
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812 | |
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813 | =item $player_object->may ("access") |
821 | =item $player_object->may ("access") |
814 | |
822 | |
815 | Returns wether the given player is authorized to access resource "access" |
823 | Returns wether the given player is authorized to access resource "access" |
816 | (e.g. "command_wizcast"). |
824 | (e.g. "command_wizcast"). |
817 | |
825 | |
… | |
… | |
824 | (ref $cf::CFG{"may_$access"} |
832 | (ref $cf::CFG{"may_$access"} |
825 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
833 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
826 | : $cf::CFG{"may_$access"}) |
834 | : $cf::CFG{"may_$access"}) |
827 | } |
835 | } |
828 | |
836 | |
829 | =cut |
837 | =head3 cf::client |
830 | |
838 | |
831 | ############################################################################# |
839 | =over 4 |
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840 | |
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841 | =item $client->send_drawinfo ($text, $flags) |
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842 | |
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843 | Sends a drawinfo packet to the client. Circumvents output buffering so |
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844 | should not be used under normal circumstances. |
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845 | |
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846 | =cut |
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847 | |
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848 | sub cf::client::send_drawinfo { |
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849 | my ($self, $text, $flags) = @_; |
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850 | |
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851 | utf8::encode $text; |
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852 | $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
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853 | } |
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854 | |
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855 | |
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856 | =item $success = $client->query ($flags, "text", \&cb) |
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857 | |
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858 | Queues a query to the client, calling the given callback with |
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859 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
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860 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
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861 | |
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862 | Queries can fail, so check the return code. Or don't, as queries will become |
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863 | reliable at some point in the future. |
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864 | |
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865 | =cut |
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866 | |
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867 | sub cf::client::query { |
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868 | my ($self, $flags, $text, $cb) = @_; |
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869 | |
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870 | return unless $self->state == ST_PLAYING |
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871 | || $self->state == ST_SETUP |
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872 | || $self->state == ST_CUSTOM; |
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873 | |
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874 | $self->state (ST_CUSTOM); |
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875 | |
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876 | utf8::encode $text; |
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877 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
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878 | |
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879 | $self->send_packet ($self->{query_queue}[0][0]) |
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880 | if @{ $self->{query_queue} } == 1; |
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881 | } |
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882 | |
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883 | cf::client->attach ( |
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884 | on_reply => sub { |
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885 | my ($ns, $msg) = @_; |
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886 | |
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887 | # this weird shuffling is so that direct followup queries |
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888 | # get handled first |
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889 | my $queue = delete $ns->{query_queue}; |
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890 | |
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891 | (shift @$queue)->[1]->($msg); |
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892 | |
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893 | push @{ $ns->{query_queue} }, @$queue; |
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894 | |
|
|
895 | if (@{ $ns->{query_queue} } == @$queue) { |
|
|
896 | if (@$queue) { |
|
|
897 | $ns->send_packet ($ns->{query_queue}[0][0]); |
|
|
898 | } else { |
|
|
899 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
|
|
900 | } |
|
|
901 | } |
|
|
902 | }, |
|
|
903 | ); |
|
|
904 | |
|
|
905 | =item $client->coro (\&cb) |
|
|
906 | |
|
|
907 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
908 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
909 | or loss of connection). |
|
|
910 | |
|
|
911 | =cut |
|
|
912 | |
|
|
913 | sub cf::client::coro { |
|
|
914 | my ($self, $cb) = @_; |
|
|
915 | |
|
|
916 | my $coro; $coro = async { |
|
|
917 | eval { |
|
|
918 | $cb->(); |
|
|
919 | }; |
|
|
920 | warn $@ if $@; |
|
|
921 | delete $self->{_coro}{$coro+0}; |
|
|
922 | }; |
|
|
923 | |
|
|
924 | $self->{_coro}{$coro+0} = $coro; |
|
|
925 | } |
|
|
926 | |
|
|
927 | cf::client->attach ( |
|
|
928 | on_destroy => sub { |
|
|
929 | my ($ns) = @_; |
|
|
930 | |
|
|
931 | $_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
|
|
932 | }, |
|
|
933 | ); |
|
|
934 | |
|
|
935 | =back |
|
|
936 | |
832 | |
937 | |
833 | =head2 SAFE SCRIPTING |
938 | =head2 SAFE SCRIPTING |
834 | |
939 | |
835 | Functions that provide a safe environment to compile and execute |
940 | Functions that provide a safe environment to compile and execute |
836 | snippets of perl code without them endangering the safety of the server |
941 | snippets of perl code without them endangering the safety of the server |
… | |
… | |
1119 | #Symbol::delete_package __PACKAGE__; |
1224 | #Symbol::delete_package __PACKAGE__; |
1120 | |
1225 | |
1121 | # reload cf.pm |
1226 | # reload cf.pm |
1122 | $msg->("reloading cf.pm"); |
1227 | $msg->("reloading cf.pm"); |
1123 | require cf; |
1228 | require cf; |
|
|
1229 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
1124 | |
1230 | |
1125 | # load config and database again |
1231 | # load config and database again |
1126 | cf::cfg_load; |
1232 | cf::cfg_load; |
1127 | cf::db_load; |
1233 | cf::db_load; |
1128 | |
1234 | |