| 1 | package cf; |
1 | package cf; |
| 2 | |
2 | |
| 3 | use Symbol; |
3 | use Symbol; |
| 4 | use List::Util; |
4 | use List::Util; |
| 5 | use Storable; |
5 | use Storable; |
|
|
6 | use Opcode; |
|
|
7 | use Safe; |
|
|
8 | use Safe::Hole; |
|
|
9 | |
|
|
10 | use Time::HiRes; |
|
|
11 | use Event; |
|
|
12 | $Event::Eval = 1; # no idea why this is required, but it is |
| 6 | |
13 | |
| 7 | use strict; |
14 | use strict; |
| 8 | |
15 | |
| 9 | our %COMMAND; |
16 | our %COMMAND; |
| 10 | our @EVENT; |
17 | our @EVENT; |
| 11 | our %PROP_TYPE; |
18 | our %PROP_TYPE; |
| 12 | our %PROP_IDX; |
19 | our %PROP_IDX; |
|
|
20 | our $LIBDIR = maps_directory "perl"; |
|
|
21 | |
|
|
22 | our $TICK = MAX_TIME * 1e-6; |
|
|
23 | our $TICK_WATCHER; |
|
|
24 | our $NEXT_TICK; |
| 13 | |
25 | |
| 14 | BEGIN { |
26 | BEGIN { |
| 15 | @EVENT = map lc, @EVENT; |
27 | @EVENT = map lc, @EVENT; |
| 16 | |
28 | |
| 17 | *CORE::GLOBAL::warn = sub { |
29 | *CORE::GLOBAL::warn = sub { |
| … | |
… | |
| 58 | prop_gen MAP_PROP => "cf::map"; |
70 | prop_gen MAP_PROP => "cf::map"; |
| 59 | prop_gen ARCH_PROP => "cf::arch"; |
71 | prop_gen ARCH_PROP => "cf::arch"; |
| 60 | |
72 | |
| 61 | # guessed hierarchies |
73 | # guessed hierarchies |
| 62 | |
74 | |
| 63 | @cf::object::player::ISA = 'cf::object'; |
75 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 64 | @cf::object::map::ISA = 'cf::object'; |
76 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
|
|
77 | |
|
|
78 | # we bless all objects into derived classes to force a method lookup |
|
|
79 | # within the Safe compartment. |
|
|
80 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
|
|
81 | no strict 'refs'; |
|
|
82 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
|
|
83 | } |
|
|
84 | |
|
|
85 | $Event::DIED = sub { |
|
|
86 | warn "error in event callback: @_"; |
|
|
87 | }; |
| 65 | |
88 | |
| 66 | my %ext_pkg; |
89 | my %ext_pkg; |
| 67 | my @exts; |
90 | my @exts; |
| 68 | my @hook; |
91 | my @hook; |
| 69 | my %command; |
92 | my %command; |
| … | |
… | |
| 153 | |
176 | |
| 154 | push @exts, $pkg; |
177 | push @exts, $pkg; |
| 155 | $ext_pkg{$base} = $pkg; |
178 | $ext_pkg{$base} = $pkg; |
| 156 | |
179 | |
| 157 | # no strict 'refs'; |
180 | # no strict 'refs'; |
| 158 | # @{"$pkg\::ISA"} = cf::ext::; |
181 | # @{"$pkg\::ISA"} = ext::; |
| 159 | |
182 | |
| 160 | register $base, $pkg; |
183 | register $base, $pkg; |
| 161 | } |
184 | } |
| 162 | |
185 | |
| 163 | sub unload_extension { |
186 | sub unload_extension { |
| … | |
… | |
| 186 | # remove extcmds |
209 | # remove extcmds |
| 187 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
210 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
| 188 | delete $extcmd{$name}; |
211 | delete $extcmd{$name}; |
| 189 | } |
212 | } |
| 190 | |
213 | |
|
|
214 | if (my $cb = $pkg->can ("on_unload")) { |
|
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215 | eval { |
|
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216 | $cb->($pkg); |
|
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217 | 1 |
|
|
218 | } or warn "$pkg unloaded, but with errors: $@"; |
|
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219 | } |
|
|
220 | |
| 191 | Symbol::delete_package $pkg; |
221 | Symbol::delete_package $pkg; |
| 192 | } |
222 | } |
| 193 | |
223 | |
| 194 | sub load_extensions { |
224 | sub load_extensions { |
| 195 | my $LIBDIR = maps_directory "perl"; |
225 | my $LIBDIR = maps_directory "perl"; |
| … | |
… | |
| 201 | 1 |
231 | 1 |
| 202 | } or warn "$ext not loaded: $@"; |
232 | } or warn "$ext not loaded: $@"; |
| 203 | } |
233 | } |
| 204 | } |
234 | } |
| 205 | |
235 | |
|
|
236 | sub _perl_reload(&) { |
|
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237 | my ($msg) = @_; |
|
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238 | |
|
|
239 | $msg->("reloading..."); |
|
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240 | |
|
|
241 | eval { |
|
|
242 | # 1. cancel all watchers |
|
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243 | $_->cancel for Event::all_watchers; |
|
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244 | |
|
|
245 | # 2. unload all extensions |
|
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246 | for (@exts) { |
|
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247 | $msg->("unloading <$_>"); |
|
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248 | unload_extension $_; |
|
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249 | } |
|
|
250 | |
|
|
251 | # 3. unload all modules loaded from $LIBDIR |
|
|
252 | while (my ($k, $v) = each %INC) { |
|
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253 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
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254 | |
|
|
255 | $msg->("removing <$k>"); |
|
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256 | delete $INC{$k}; |
|
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257 | |
|
|
258 | $k =~ s/\.pm$//; |
|
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259 | $k =~ s/\//::/g; |
|
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260 | |
|
|
261 | if (my $cb = $k->can ("unload_module")) { |
|
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262 | $cb->(); |
|
|
263 | } |
|
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264 | |
|
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265 | Symbol::delete_package $k; |
|
|
266 | } |
|
|
267 | |
|
|
268 | # 4. get rid of ext::, as good as possible |
|
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269 | Symbol::delete_package "ext::$_" |
|
|
270 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
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271 | |
|
|
272 | # 5. remove register_script_function callbacks |
|
|
273 | # TODO |
|
|
274 | |
|
|
275 | # 6. unload cf.pm "a bit" |
|
|
276 | delete $INC{"cf.pm"}; |
|
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277 | |
|
|
278 | # don't, removes xs symbols, too |
|
|
279 | #Symbol::delete_package __PACKAGE__; |
|
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280 | |
|
|
281 | # 7. reload cf.pm |
|
|
282 | $msg->("reloading cf.pm"); |
|
|
283 | require cf; |
|
|
284 | }; |
|
|
285 | $msg->($@) if $@; |
|
|
286 | |
|
|
287 | $msg->("reloaded"); |
|
|
288 | }; |
|
|
289 | |
|
|
290 | sub perl_reload() { |
|
|
291 | _perl_reload { |
|
|
292 | warn $_[0]; |
|
|
293 | print "$_[0]\n"; |
|
|
294 | }; |
|
|
295 | } |
|
|
296 | |
| 206 | register_command "perl-reload", 0, sub { |
297 | register_command "perl-reload", 0, sub { |
| 207 | my ($who, $arg) = @_; |
298 | my ($who, $arg) = @_; |
| 208 | |
299 | |
| 209 | if ($who->flag (FLAG_WIZ)) { |
300 | if ($who->flag (FLAG_WIZ)) { |
| 210 | $who->message ("reloading..."); |
301 | _perl_reload { |
| 211 | |
302 | warn $_[0]; |
| 212 | warn "reloading...\n"; |
303 | $who->message ($_[0]); |
| 213 | eval { |
|
|
| 214 | unload_extension $_ for @exts; |
|
|
| 215 | delete $INC{"cf.pm"}; |
|
|
| 216 | |
|
|
| 217 | # don't, removes xs symbols, too |
|
|
| 218 | #Symbol::delete_package $pkg; |
|
|
| 219 | |
|
|
| 220 | require cf; |
|
|
| 221 | }; |
304 | }; |
| 222 | warn $@ if $@; |
|
|
| 223 | $who->message ($@) if $@; |
|
|
| 224 | warn "reloaded\n"; |
|
|
| 225 | |
|
|
| 226 | $who->message ("reloaded"); |
|
|
| 227 | } else { |
|
|
| 228 | $who->message ("Intruder Alert!"); |
|
|
| 229 | } |
305 | } |
| 230 | }; |
306 | }; |
| 231 | |
307 | |
| 232 | ############################################################################# |
308 | ############################################################################# |
|
|
309 | # utility functions |
|
|
310 | |
|
|
311 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
312 | |
|
|
313 | sub from_json($) { |
|
|
314 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
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315 | JSON::Syck::Load $_[0] |
|
|
316 | } |
|
|
317 | |
|
|
318 | sub to_json($) { |
|
|
319 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
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320 | JSON::Syck::Dump $_[0] |
|
|
321 | } |
|
|
322 | |
|
|
323 | ############################################################################# |
| 233 | # extcmd framework, basically convert ext <id> <pkg> arg1 args |
324 | # extcmd framework, basically convert ext <msg> |
| 234 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
325 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
| 235 | |
326 | |
| 236 | sub on_extcmd { |
327 | sub on_extcmd { |
| 237 | my ($pl, $buf) = @_; |
328 | my ($pl, $buf) = @_; |
| 238 | |
329 | |
| 239 | my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
330 | my $msg = eval { from_json $buf }; |
| 240 | |
331 | |
| 241 | $extcmd{$type}[0]->($pl, $buf) |
332 | if (ref $msg) { |
| 242 | if $extcmd{$type}; |
333 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
334 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
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335 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
336 | } |
|
|
337 | } |
|
|
338 | } else { |
|
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339 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
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340 | } |
|
|
341 | |
|
|
342 | 1 |
| 243 | } |
343 | } |
| 244 | |
344 | |
| 245 | ############################################################################# |
345 | ############################################################################# |
| 246 | # load/save/clean perl data associated with a map |
346 | # load/save/clean perl data associated with a map |
| 247 | |
347 | |
| … | |
… | |
| 300 | }; |
400 | }; |
| 301 | |
401 | |
| 302 | ############################################################################# |
402 | ############################################################################# |
| 303 | # load/save perl data associated with player->ob objects |
403 | # load/save perl data associated with player->ob objects |
| 304 | |
404 | |
|
|
405 | sub all_objects(@) { |
|
|
406 | @_, map all_objects ($_->inv), @_ |
|
|
407 | } |
|
|
408 | |
| 305 | *on_player_load = sub { |
409 | *on_player_load = sub { |
| 306 | my ($ob, $path) = @_; |
410 | my ($ob, $path) = @_; |
| 307 | |
411 | |
| 308 | if (open my $fh, "<:raw", "$path.cfperl") { |
412 | for my $o (all_objects $ob) { |
| 309 | |
|
|
| 310 | #d##TODO#remove |
|
|
| 311 | |
|
|
| 312 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
| 313 | |
|
|
| 314 | $data->{version} <= 1 |
|
|
| 315 | or return; # too new |
|
|
| 316 | |
|
|
| 317 | %$ob = %{$data->{ob}}; |
|
|
| 318 | return; |
|
|
| 319 | } |
|
|
| 320 | |
|
|
| 321 | for my $o ($ob, $ob->inv) { |
|
|
| 322 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
413 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
| 323 | $o->set_ob_key_value ("_perl_data"); |
414 | $o->set_ob_key_value ("_perl_data"); |
| 324 | |
415 | |
| 325 | %$o = %{ Storable::thaw pack "H*", $value }; |
416 | %$o = %{ Storable::thaw pack "H*", $value }; |
| 326 | } |
417 | } |
| … | |
… | |
| 329 | |
420 | |
| 330 | *on_player_save = sub { |
421 | *on_player_save = sub { |
| 331 | my ($ob, $path) = @_; |
422 | my ($ob, $path) = @_; |
| 332 | |
423 | |
| 333 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
424 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
| 334 | for grep %$_, $ob, $ob->inv; |
425 | for grep %$_, all_objects $ob; |
| 335 | |
|
|
| 336 | unlink "$path.cfperl";#d##TODO#remove |
|
|
| 337 | }; |
426 | }; |
|
|
427 | |
|
|
428 | ############################################################################# |
|
|
429 | # core extensions - in perl |
|
|
430 | |
|
|
431 | =item cf::player::exists $login |
|
|
432 | |
|
|
433 | Returns true when the given account exists. |
|
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434 | |
|
|
435 | =cut |
|
|
436 | |
|
|
437 | sub cf::player::exists($) { |
|
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438 | cf::player::find $_[0] |
|
|
439 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
440 | } |
|
|
441 | |
|
|
442 | =item $player->reply ($npc, $msg[, $flags]) |
|
|
443 | |
|
|
444 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
|
445 | can be C<undef>. Does the right thing when the player is currently in a |
|
|
446 | dialogue with the given NPC character. |
|
|
447 | |
|
|
448 | =cut |
|
|
449 | |
|
|
450 | # rough implementation of a future "reply" method that works |
|
|
451 | # with dialog boxes. |
|
|
452 | sub cf::object::player::reply($$$;$) { |
|
|
453 | my ($self, $npc, $msg, $flags) = @_; |
|
|
454 | |
|
|
455 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
|
456 | |
|
|
457 | if ($self->{record_replies}) { |
|
|
458 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
459 | } else { |
|
|
460 | $msg = $npc->name . " says: $msg" if $npc; |
|
|
461 | $self->message ($msg, $flags); |
|
|
462 | } |
|
|
463 | } |
|
|
464 | |
|
|
465 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
466 | |
|
|
467 | Sends an ext reply to the player. |
|
|
468 | |
|
|
469 | =cut |
|
|
470 | |
|
|
471 | sub cf::player::ext_reply($$$%) { |
|
|
472 | my ($self, $id, %msg) = @_; |
|
|
473 | |
|
|
474 | $msg{msgid} = $id; |
|
|
475 | |
|
|
476 | $self->send ("ext " . to_json \%msg); |
|
|
477 | } |
|
|
478 | |
|
|
479 | ############################################################################# |
|
|
480 | # map scripting support |
|
|
481 | |
|
|
482 | our $safe = new Safe "ext"; |
|
|
483 | our $safe_hole = new Safe::Hole; |
|
|
484 | |
|
|
485 | $SIG{FPE} = 'IGNORE'; |
|
|
486 | |
|
|
487 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
|
488 | |
|
|
489 | # here we export the classes and methods available to script code |
|
|
490 | |
|
|
491 | for ( |
|
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492 | ["cf::object" => qw(contr pay_amount pay_player)], |
|
|
493 | ["cf::object::player" => qw(player)], |
|
|
494 | ["cf::player" => qw(peaceful)], |
|
|
495 | ) { |
|
|
496 | no strict 'refs'; |
|
|
497 | my ($pkg, @funs) = @$_; |
|
|
498 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
|
499 | for @funs; |
|
|
500 | } |
|
|
501 | |
|
|
502 | sub safe_eval($;@) { |
|
|
503 | my ($code, %vars) = @_; |
|
|
504 | |
|
|
505 | my $qcode = $code; |
|
|
506 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
507 | $qcode =~ s/\n/\\n/g; |
|
|
508 | |
|
|
509 | local $_; |
|
|
510 | local @ext::cf::_safe_eval_args = values %vars; |
|
|
511 | |
|
|
512 | $code = |
|
|
513 | "do {\n" |
|
|
514 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
|
515 | . "#line 0 \"{$qcode}\"\n" |
|
|
516 | . $code |
|
|
517 | . "\n}" |
|
|
518 | ; |
|
|
519 | |
|
|
520 | sub_generation_inc; |
|
|
521 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
|
522 | sub_generation_inc; |
|
|
523 | |
|
|
524 | wantarray ? @res : $res[0] |
|
|
525 | } |
|
|
526 | |
|
|
527 | sub register_script_function { |
|
|
528 | my ($fun, $cb) = @_; |
|
|
529 | |
|
|
530 | no strict 'refs'; |
|
|
531 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
|
532 | } |
|
|
533 | |
|
|
534 | ############################################################################# |
|
|
535 | # the server's main() |
|
|
536 | |
|
|
537 | sub run { |
|
|
538 | Event::loop; |
|
|
539 | } |
|
|
540 | |
|
|
541 | ############################################################################# |
|
|
542 | # initialisation |
| 338 | |
543 | |
| 339 | register "<global>", __PACKAGE__; |
544 | register "<global>", __PACKAGE__; |
| 340 | |
545 | |
| 341 | unshift @INC, maps_directory "perl"; |
546 | unshift @INC, $LIBDIR; |
| 342 | |
547 | |
| 343 | load_extensions; |
548 | load_extensions; |
| 344 | |
549 | |
|
|
550 | $TICK_WATCHER = Event->timer ( |
|
|
551 | prio => 1, |
|
|
552 | at => $NEXT_TICK || 1, |
|
|
553 | cb => sub { |
|
|
554 | cf::server_tick; # one server iteration |
|
|
555 | |
|
|
556 | my $NOW = Event::time; |
|
|
557 | $NEXT_TICK += $TICK; |
|
|
558 | |
|
|
559 | # if we are delayed by > 0.25 second, skip ticks |
|
|
560 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + .25; |
|
|
561 | |
|
|
562 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
563 | $TICK_WATCHER->start; |
|
|
564 | }, |
|
|
565 | ); |
|
|
566 | |
| 345 | 1 |
567 | 1 |
| 346 | |
568 | |
