| 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; |
| 6 | |
9 | |
| 7 | use Event; |
10 | use Event; |
| 8 | $Event::Eval = 1; # no idea why this is required, but it is |
11 | $Event::Eval = 1; # no idea why this is required, but it is |
| 9 | |
12 | |
| 10 | use strict; |
13 | use strict; |
| … | |
… | |
| 61 | prop_gen MAP_PROP => "cf::map"; |
64 | prop_gen MAP_PROP => "cf::map"; |
| 62 | prop_gen ARCH_PROP => "cf::arch"; |
65 | prop_gen ARCH_PROP => "cf::arch"; |
| 63 | |
66 | |
| 64 | # guessed hierarchies |
67 | # guessed hierarchies |
| 65 | |
68 | |
| 66 | @cf::object::player::ISA = 'cf::object'; |
69 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 67 | @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 | } |
| 68 | |
78 | |
| 69 | $Event::DIED = sub { |
79 | $Event::DIED = sub { |
| 70 | warn "error in event callback: @_"; |
80 | warn "error in event callback: @_"; |
| 71 | }; |
81 | }; |
| 72 | |
82 | |
| … | |
… | |
| 160 | |
170 | |
| 161 | push @exts, $pkg; |
171 | push @exts, $pkg; |
| 162 | $ext_pkg{$base} = $pkg; |
172 | $ext_pkg{$base} = $pkg; |
| 163 | |
173 | |
| 164 | # no strict 'refs'; |
174 | # no strict 'refs'; |
| 165 | # @{"$pkg\::ISA"} = cf::ext::; |
175 | # @{"$pkg\::ISA"} = ext::; |
| 166 | |
176 | |
| 167 | register $base, $pkg; |
177 | register $base, $pkg; |
| 168 | } |
178 | } |
| 169 | |
179 | |
| 170 | sub unload_extension { |
180 | sub unload_extension { |
| … | |
… | |
| 347 | for grep %$_, $ob, $ob->inv; |
357 | for grep %$_, $ob, $ob->inv; |
| 348 | |
358 | |
| 349 | unlink "$path.cfperl";#d##TODO#remove |
359 | unlink "$path.cfperl";#d##TODO#remove |
| 350 | }; |
360 | }; |
| 351 | |
361 | |
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362 | ############################################################################# |
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363 | # core extensions - in perl |
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364 | |
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365 | =item cf::player::exists $login |
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366 | |
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367 | Returns true when the given account exists. |
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368 | |
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369 | =cut |
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370 | |
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371 | sub cf::player::exists($) { |
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372 | cf::player::find $_[0] |
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373 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
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374 | } |
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375 | |
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376 | # rough implementation of a future "reply" method that works |
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377 | # with dialog boxes. |
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378 | sub cf::object::player::reply($$$;$) { |
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379 | my ($self, $npc, $msg, $flags) = @_; |
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380 | |
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381 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
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382 | |
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383 | if ($self->{record_replies}) { |
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384 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
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385 | } else { |
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386 | $msg = $npc->name . " says: $msg" if $npc; |
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387 | $self->message ($msg, $flags); |
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388 | } |
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389 | } |
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390 | |
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391 | ############################################################################# |
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392 | # map scripting support |
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393 | |
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394 | our $safe = new Safe "ext"; |
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395 | our $safe_hole = new Safe::Hole; |
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396 | |
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397 | $SIG{FPE} = 'IGNORE'; |
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398 | |
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399 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
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400 | |
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401 | # here we export the classes and methods available to script code |
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402 | |
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403 | for ( |
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404 | ["cf::object" => qw(contr)], |
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405 | ["cf::object::player" => qw(player)], |
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406 | ["cf::player" => qw(peaceful)], |
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407 | ) { |
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408 | no strict 'refs'; |
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409 | my ($pkg, @funs) = @$_; |
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410 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
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411 | for @funs; |
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412 | } |
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413 | |
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414 | sub safe_eval($;@) { |
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415 | my ($code, %vars) = @_; |
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416 | |
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417 | my $qcode = $code; |
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418 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
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419 | $qcode =~ s/\n/\\n/g; |
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420 | |
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421 | local $_; |
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422 | local @ext::cf::_safe_eval_args = values %vars; |
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423 | |
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424 | $code = |
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425 | "do {\n" |
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426 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
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427 | . "#line 0 \"{$qcode}\"\n" |
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428 | . $code |
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429 | . "\n}" |
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430 | ; |
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431 | |
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432 | sub_generation_inc; |
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433 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
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434 | sub_generation_inc; |
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435 | |
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436 | wantarray ? @res : $res[0] |
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437 | } |
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438 | |
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439 | sub register_script_function { |
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440 | my ($fun, $cb) = @_; |
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441 | |
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442 | no strict 'refs'; |
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443 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
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444 | } |
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445 | |
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446 | ############################################################################# |
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447 | # initialisation |
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448 | |
| 352 | register "<global>", __PACKAGE__; |
449 | register "<global>", __PACKAGE__; |
| 353 | |
450 | |
| 354 | unshift @INC, maps_directory "perl"; |
451 | unshift @INC, maps_directory "perl"; |
| 355 | |
452 | |
| 356 | load_extensions; |
453 | load_extensions; |
