| 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 $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
|
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81 | no strict 'refs'; |
|
|
82 | @{"ext::$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 |
|
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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 $LIBDIR = maps_directory "perl"; |
| … | |
… | |
| 209 | if ($who->flag (FLAG_WIZ)) { |
239 | if ($who->flag (FLAG_WIZ)) { |
| 210 | $who->message ("reloading..."); |
240 | $who->message ("reloading..."); |
| 211 | |
241 | |
| 212 | warn "reloading...\n"; |
242 | warn "reloading...\n"; |
| 213 | eval { |
243 | eval { |
|
|
244 | # 1. cancel all watchers |
|
|
245 | $_->cancel for Event::all_watchers; |
|
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246 | |
|
|
247 | # 2. unload all extensions |
|
|
248 | for (@exts) { |
|
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249 | $who->message ("unloading <$_>"); |
| 214 | unload_extension $_ for @exts; |
250 | unload_extension $_; |
|
|
251 | } |
|
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252 | |
|
|
253 | # 3. unload all modules loaded from $LIBDIR |
|
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254 | while (my ($k, $v) = each %INC) { |
|
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255 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
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256 | |
|
|
257 | $who->message ("removing <$k>"); |
|
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258 | delete $INC{$k}; |
|
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259 | |
|
|
260 | $k =~ s/\.pm$//; |
|
|
261 | $k =~ s/\//::/g; |
|
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262 | |
|
|
263 | if (my $cb = $k->can ("unload_module")) { |
|
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264 | $cb->(); |
|
|
265 | } |
|
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266 | |
|
|
267 | Symbol::delete_package $k; |
|
|
268 | } |
|
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269 | |
|
|
270 | # 4. get rid of ext::, as good as possible |
|
|
271 | Symbol::delete_package "ext::$_" |
|
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272 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
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273 | |
|
|
274 | # 5. remove register_script_function callbacks |
|
|
275 | # TODO |
|
|
276 | |
|
|
277 | # 6. unload cf.pm "a bit" |
| 215 | delete $INC{"cf.pm"}; |
278 | delete $INC{"cf.pm"}; |
| 216 | |
279 | |
| 217 | # don't, removes xs symbols, too |
280 | # don't, removes xs symbols, too |
| 218 | #Symbol::delete_package $pkg; |
281 | #Symbol::delete_package __PACKAGE__; |
| 219 | |
282 | |
|
|
283 | # 7. reload cf.pm |
|
|
284 | $who->message ("reloading cf.pm"); |
| 220 | require cf; |
285 | require cf; |
| 221 | }; |
286 | }; |
| 222 | warn $@ if $@; |
287 | warn $@ if $@; |
| 223 | $who->message ($@) if $@; |
288 | $who->message ($@) if $@; |
| 224 | warn "reloaded\n"; |
289 | warn "reloaded\n"; |
| … | |
… | |
| 228 | $who->message ("Intruder Alert!"); |
293 | $who->message ("Intruder Alert!"); |
| 229 | } |
294 | } |
| 230 | }; |
295 | }; |
| 231 | |
296 | |
| 232 | ############################################################################# |
297 | ############################################################################# |
|
|
298 | # utility functions |
|
|
299 | |
|
|
300 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
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301 | |
|
|
302 | sub from_json($) { |
|
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303 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
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304 | JSON::Syck::Load $_[0] |
|
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305 | } |
|
|
306 | |
|
|
307 | sub to_json($) { |
|
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308 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
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309 | JSON::Syck::Dump $_[0] |
|
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310 | } |
|
|
311 | |
|
|
312 | ############################################################################# |
| 233 | # extcmd framework, basically convert ext <id> <pkg> arg1 args |
313 | # extcmd framework, basically convert ext <msg> |
| 234 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
314 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
| 235 | |
315 | |
| 236 | sub on_extcmd { |
316 | sub on_extcmd { |
| 237 | my ($pl, $buf) = @_; |
317 | my ($pl, $buf) = @_; |
| 238 | |
318 | |
| 239 | my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
319 | my $msg = eval { from_json $buf }; |
| 240 | |
320 | |
| 241 | $extcmd{$type}[0]->($pl, $buf) |
321 | if (ref $msg) { |
| 242 | if $extcmd{$type}; |
322 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
323 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
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324 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
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325 | } |
|
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326 | } |
|
|
327 | } else { |
|
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328 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
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329 | } |
|
|
330 | |
|
|
331 | 1 |
| 243 | } |
332 | } |
| 244 | |
333 | |
| 245 | ############################################################################# |
334 | ############################################################################# |
| 246 | # load/save/clean perl data associated with a map |
335 | # load/save/clean perl data associated with a map |
| 247 | |
336 | |
| … | |
… | |
| 300 | }; |
389 | }; |
| 301 | |
390 | |
| 302 | ############################################################################# |
391 | ############################################################################# |
| 303 | # load/save perl data associated with player->ob objects |
392 | # load/save perl data associated with player->ob objects |
| 304 | |
393 | |
|
|
394 | sub all_objects(@) { |
|
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395 | @_, map all_objects ($_->inv), @_ |
|
|
396 | } |
|
|
397 | |
| 305 | *on_player_load = sub { |
398 | *on_player_load = sub { |
| 306 | my ($ob, $path) = @_; |
399 | my ($ob, $path) = @_; |
| 307 | |
400 | |
| 308 | if (open my $fh, "<:raw", "$path.cfperl") { |
401 | for my $o (all_objects $ob) { |
| 309 | |
|
|
| 310 | #d##TODO#remove |
|
|
| 311 | |
|
|
| 312 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
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| 313 | |
|
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| 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")) { |
402 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
| 323 | $o->set_ob_key_value ("_perl_data"); |
403 | $o->set_ob_key_value ("_perl_data"); |
| 324 | |
404 | |
| 325 | %$o = %{ Storable::thaw pack "H*", $value }; |
405 | %$o = %{ Storable::thaw pack "H*", $value }; |
| 326 | } |
406 | } |
| … | |
… | |
| 329 | |
409 | |
| 330 | *on_player_save = sub { |
410 | *on_player_save = sub { |
| 331 | my ($ob, $path) = @_; |
411 | my ($ob, $path) = @_; |
| 332 | |
412 | |
| 333 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
413 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
| 334 | for grep %$_, $ob, $ob->inv; |
414 | for grep %$_, all_objects $ob; |
| 335 | |
|
|
| 336 | unlink "$path.cfperl";#d##TODO#remove |
|
|
| 337 | }; |
415 | }; |
|
|
416 | |
|
|
417 | ############################################################################# |
|
|
418 | # core extensions - in perl |
|
|
419 | |
|
|
420 | =item cf::player::exists $login |
|
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421 | |
|
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422 | Returns true when the given account exists. |
|
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423 | |
|
|
424 | =cut |
|
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425 | |
|
|
426 | sub cf::player::exists($) { |
|
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427 | cf::player::find $_[0] |
|
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428 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
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429 | } |
|
|
430 | |
|
|
431 | =item $player->reply ($npc, $msg[, $flags]) |
|
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432 | |
|
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433 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
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434 | can be C<undef>. Does the right thing when the player is currently in a |
|
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435 | dialogue with the given NPC character. |
|
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436 | |
|
|
437 | =cut |
|
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438 | |
|
|
439 | # rough implementation of a future "reply" method that works |
|
|
440 | # with dialog boxes. |
|
|
441 | sub cf::object::player::reply($$$;$) { |
|
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442 | my ($self, $npc, $msg, $flags) = @_; |
|
|
443 | |
|
|
444 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
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445 | |
|
|
446 | if ($self->{record_replies}) { |
|
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447 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
448 | } else { |
|
|
449 | $msg = $npc->name . " says: $msg" if $npc; |
|
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450 | $self->message ($msg, $flags); |
|
|
451 | } |
|
|
452 | } |
|
|
453 | |
|
|
454 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
455 | |
|
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456 | Sends an ext reply to the player. |
|
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457 | |
|
|
458 | =cut |
|
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459 | |
|
|
460 | sub cf::player::ext_reply($$$%) { |
|
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461 | my ($self, $id, %msg) = @_; |
|
|
462 | |
|
|
463 | $msg{msgid} = $id; |
|
|
464 | |
|
|
465 | $self->send ("ext " . to_json \%msg); |
|
|
466 | } |
|
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467 | |
|
|
468 | ############################################################################# |
|
|
469 | # map scripting support |
|
|
470 | |
|
|
471 | our $safe = new Safe "ext"; |
|
|
472 | our $safe_hole = new Safe::Hole; |
|
|
473 | |
|
|
474 | $SIG{FPE} = 'IGNORE'; |
|
|
475 | |
|
|
476 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
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477 | |
|
|
478 | # here we export the classes and methods available to script code |
|
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479 | |
|
|
480 | for ( |
|
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481 | ["cf::object" => qw(contr pay_amount pay_player)], |
|
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482 | ["cf::object::player" => qw(player)], |
|
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483 | ["cf::player" => qw(peaceful)], |
|
|
484 | ) { |
|
|
485 | no strict 'refs'; |
|
|
486 | my ($pkg, @funs) = @$_; |
|
|
487 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
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488 | for @funs; |
|
|
489 | } |
|
|
490 | |
|
|
491 | sub safe_eval($;@) { |
|
|
492 | my ($code, %vars) = @_; |
|
|
493 | |
|
|
494 | my $qcode = $code; |
|
|
495 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
496 | $qcode =~ s/\n/\\n/g; |
|
|
497 | |
|
|
498 | local $_; |
|
|
499 | local @ext::cf::_safe_eval_args = values %vars; |
|
|
500 | |
|
|
501 | $code = |
|
|
502 | "do {\n" |
|
|
503 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
|
504 | . "#line 0 \"{$qcode}\"\n" |
|
|
505 | . $code |
|
|
506 | . "\n}" |
|
|
507 | ; |
|
|
508 | |
|
|
509 | sub_generation_inc; |
|
|
510 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
|
511 | sub_generation_inc; |
|
|
512 | |
|
|
513 | wantarray ? @res : $res[0] |
|
|
514 | } |
|
|
515 | |
|
|
516 | sub register_script_function { |
|
|
517 | my ($fun, $cb) = @_; |
|
|
518 | |
|
|
519 | no strict 'refs'; |
|
|
520 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
|
521 | } |
|
|
522 | |
|
|
523 | ############################################################################# |
|
|
524 | # the server's main() |
|
|
525 | |
|
|
526 | sub run { |
|
|
527 | Event::loop; |
|
|
528 | } |
|
|
529 | |
|
|
530 | ############################################################################# |
|
|
531 | # initialisation |
| 338 | |
532 | |
| 339 | register "<global>", __PACKAGE__; |
533 | register "<global>", __PACKAGE__; |
| 340 | |
534 | |
|
|
535 | unshift @INC, $LIBDIR; |
|
|
536 | |
| 341 | load_extensions; |
537 | load_extensions; |
| 342 | |
538 | |
|
|
539 | $TICK_WATCHER = Event->timer ( |
|
|
540 | prio => 1, |
|
|
541 | at => $NEXT_TICK || 1, |
|
|
542 | cb => sub { |
|
|
543 | cf::server_tick; # one server iteration |
|
|
544 | |
|
|
545 | my $NOW = Event::time; |
|
|
546 | $NEXT_TICK += $TICK; |
|
|
547 | |
|
|
548 | # if we are delayed by > 0.25 second, skip ticks |
|
|
549 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + .25; |
|
|
550 | |
|
|
551 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
552 | $TICK_WATCHER->start; |
|
|
553 | }, |
|
|
554 | ); |
|
|
555 | |
| 343 | 1 |
556 | 1 |
| 344 | |
557 | |
