| 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; |
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6 | use Opcode; |
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7 | use Safe; |
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8 | use Safe::Hole; |
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9 | |
| 6 | use Event; |
10 | use Event; |
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11 | $Event::Eval = 1; # no idea why this is required, but it is |
| 7 | |
12 | |
| 8 | use strict; |
13 | use strict; |
| 9 | |
14 | |
| 10 | our %COMMAND; |
15 | our %COMMAND; |
| 11 | our @EVENT; |
16 | our @EVENT; |
| … | |
… | |
| 59 | prop_gen MAP_PROP => "cf::map"; |
64 | prop_gen MAP_PROP => "cf::map"; |
| 60 | prop_gen ARCH_PROP => "cf::arch"; |
65 | prop_gen ARCH_PROP => "cf::arch"; |
| 61 | |
66 | |
| 62 | # guessed hierarchies |
67 | # guessed hierarchies |
| 63 | |
68 | |
| 64 | @cf::object::player::ISA = 'cf::object'; |
69 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 65 | @cf::object::map::ISA = 'cf::object'; |
70 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
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71 | |
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72 | # we bless all objects into derived classes to force a method lookup |
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73 | # within the Safe compartment. |
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74 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) { |
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75 | no strict 'refs'; |
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76 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
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77 | } |
| 66 | |
78 | |
| 67 | $Event::DIED = sub { |
79 | $Event::DIED = sub { |
| 68 | warn "error in event callback: @_"; |
80 | warn "error in event callback: @_"; |
| 69 | }; |
81 | }; |
| 70 | |
82 | |
| … | |
… | |
| 158 | |
170 | |
| 159 | push @exts, $pkg; |
171 | push @exts, $pkg; |
| 160 | $ext_pkg{$base} = $pkg; |
172 | $ext_pkg{$base} = $pkg; |
| 161 | |
173 | |
| 162 | # no strict 'refs'; |
174 | # no strict 'refs'; |
| 163 | # @{"$pkg\::ISA"} = cf::ext::; |
175 | # @{"$pkg\::ISA"} = ext::; |
| 164 | |
176 | |
| 165 | register $base, $pkg; |
177 | register $base, $pkg; |
| 166 | } |
178 | } |
| 167 | |
179 | |
| 168 | sub unload_extension { |
180 | sub unload_extension { |
| 169 | my ($pkg) = @_; |
181 | my ($pkg) = @_; |
| 170 | |
182 | |
| 171 | warn "removing extension $pkg\n"; |
183 | warn "removing extension $pkg\n"; |
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184 | |
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185 | if (my $cb = $pkg->can ("on_unload")) { |
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186 | $cb->($pkg); |
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187 | } |
| 172 | |
188 | |
| 173 | # remove hooks |
189 | # remove hooks |
| 174 | for my $idx (0 .. $#EVENT) { |
190 | for my $idx (0 .. $#EVENT) { |
| 175 | delete $hook[$idx]{$pkg}; |
191 | delete $hook[$idx]{$pkg}; |
| 176 | } |
192 | } |
| … | |
… | |
| 214 | if ($who->flag (FLAG_WIZ)) { |
230 | if ($who->flag (FLAG_WIZ)) { |
| 215 | $who->message ("reloading..."); |
231 | $who->message ("reloading..."); |
| 216 | |
232 | |
| 217 | warn "reloading...\n"; |
233 | warn "reloading...\n"; |
| 218 | eval { |
234 | eval { |
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235 | $_->cancel for Event::all_watchers; |
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236 | |
| 219 | unload_extension $_ for @exts; |
237 | unload_extension $_ for @exts; |
| 220 | delete $INC{"cf.pm"}; |
238 | delete $INC{"cf.pm"}; |
| 221 | |
239 | |
| 222 | # don't, removes xs symbols, too |
240 | # don't, removes xs symbols, too |
| 223 | #Symbol::delete_package $pkg; |
241 | #Symbol::delete_package __PACKAGE__; |
| 224 | |
242 | |
| 225 | require cf; |
243 | require cf; |
| 226 | }; |
244 | }; |
| 227 | warn $@ if $@; |
245 | warn $@ if $@; |
| 228 | $who->message ($@) if $@; |
246 | $who->message ($@) if $@; |
| … | |
… | |
| 308 | # load/save perl data associated with player->ob objects |
326 | # load/save perl data associated with player->ob objects |
| 309 | |
327 | |
| 310 | *on_player_load = sub { |
328 | *on_player_load = sub { |
| 311 | my ($ob, $path) = @_; |
329 | my ($ob, $path) = @_; |
| 312 | |
330 | |
| 313 | if (open my $fh, "<:raw", "$path.cfperl") { |
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| 314 | |
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| 315 | #d##TODO#remove |
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| 316 | |
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| 317 | my $data = Storable::thaw do { local $/; <$fh> }; |
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| 318 | |
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| 319 | $data->{version} <= 1 |
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| 320 | or return; # too new |
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| 321 | |
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| 322 | %$ob = %{$data->{ob}}; |
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| 323 | return; |
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| 324 | } |
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| 325 | |
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| 326 | for my $o ($ob, $ob->inv) { |
331 | for my $o ($ob, $ob->inv) { |
| 327 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
332 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
| 328 | $o->set_ob_key_value ("_perl_data"); |
333 | $o->set_ob_key_value ("_perl_data"); |
| 329 | |
334 | |
| 330 | %$o = %{ Storable::thaw pack "H*", $value }; |
335 | %$o = %{ Storable::thaw pack "H*", $value }; |
| … | |
… | |
| 335 | *on_player_save = sub { |
340 | *on_player_save = sub { |
| 336 | my ($ob, $path) = @_; |
341 | my ($ob, $path) = @_; |
| 337 | |
342 | |
| 338 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
343 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
| 339 | for grep %$_, $ob, $ob->inv; |
344 | for grep %$_, $ob, $ob->inv; |
| 340 | |
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| 341 | unlink "$path.cfperl";#d##TODO#remove |
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| 342 | }; |
345 | }; |
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346 | |
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347 | ############################################################################# |
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348 | # core extensions - in perl |
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349 | |
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350 | =item cf::player::exists $login |
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351 | |
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352 | Returns true when the given account exists. |
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353 | |
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354 | =cut |
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355 | |
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356 | sub cf::player::exists($) { |
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357 | cf::player::find $_[0] |
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358 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
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359 | } |
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360 | |
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361 | # rough implementation of a future "reply" method that works |
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362 | # with dialog boxes. |
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363 | sub cf::object::player::reply($$$;$) { |
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364 | my ($self, $npc, $msg, $flags) = @_; |
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365 | |
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366 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
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367 | |
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368 | if ($self->{record_replies}) { |
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369 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
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370 | } else { |
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371 | $msg = $npc->name . " says: $msg" if $npc; |
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372 | $self->message ($msg, $flags); |
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373 | } |
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374 | } |
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375 | |
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376 | ############################################################################# |
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377 | # map scripting support |
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378 | |
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379 | our $safe = new Safe "ext"; |
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380 | our $safe_hole = new Safe::Hole; |
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381 | |
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382 | $SIG{FPE} = 'IGNORE'; |
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383 | |
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384 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
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385 | |
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386 | # here we export the classes and methods available to script code |
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387 | |
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388 | for ( |
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389 | ["cf::object" => qw(contr)], |
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390 | ["cf::object::player" => qw(player)], |
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391 | ["cf::player" => qw(peaceful)], |
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392 | ) { |
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393 | no strict 'refs'; |
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394 | my ($pkg, @funs) = @$_; |
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395 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
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396 | for @funs; |
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397 | } |
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398 | |
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399 | sub safe_eval($;@) { |
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400 | my ($code, %vars) = @_; |
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401 | |
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402 | my $qcode = $code; |
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403 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
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404 | $qcode =~ s/\n/\\n/g; |
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405 | |
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406 | local $_; |
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407 | local @ext::cf::_safe_eval_args = values %vars; |
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408 | |
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409 | $code = |
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410 | "do {\n" |
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411 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
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412 | . "#line 0 \"{$qcode}\"\n" |
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413 | . $code |
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414 | . "\n}" |
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415 | ; |
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416 | |
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417 | sub_generation_inc; |
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418 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
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419 | sub_generation_inc; |
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420 | |
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421 | wantarray ? @res : $res[0] |
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422 | } |
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423 | |
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424 | sub register_script_function { |
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425 | my ($fun, $cb) = @_; |
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426 | |
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427 | no strict 'refs'; |
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428 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
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429 | } |
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430 | |
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431 | ############################################################################# |
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432 | # initialisation |
| 343 | |
433 | |
| 344 | register "<global>", __PACKAGE__; |
434 | register "<global>", __PACKAGE__; |
| 345 | |
435 | |
| 346 | unshift @INC, maps_directory "perl"; |
436 | unshift @INC, maps_directory "perl"; |
| 347 | |
437 | |
