| 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; |
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|
9 | |
| 6 | use Event; |
10 | use Event; |
|
|
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; |
| 12 | our %PROP_TYPE; |
17 | our %PROP_TYPE; |
| 13 | our %PROP_IDX; |
18 | our %PROP_IDX; |
|
|
19 | our $LIBDIR = maps_directory "perl"; |
| 14 | |
20 | |
| 15 | BEGIN { |
21 | BEGIN { |
| 16 | @EVENT = map lc, @EVENT; |
22 | @EVENT = map lc, @EVENT; |
| 17 | |
23 | |
| 18 | *CORE::GLOBAL::warn = sub { |
24 | *CORE::GLOBAL::warn = sub { |
| … | |
… | |
| 59 | prop_gen MAP_PROP => "cf::map"; |
65 | prop_gen MAP_PROP => "cf::map"; |
| 60 | prop_gen ARCH_PROP => "cf::arch"; |
66 | prop_gen ARCH_PROP => "cf::arch"; |
| 61 | |
67 | |
| 62 | # guessed hierarchies |
68 | # guessed hierarchies |
| 63 | |
69 | |
| 64 | @cf::object::player::ISA = 'cf::object'; |
70 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 65 | @cf::object::map::ISA = 'cf::object'; |
71 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
|
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72 | |
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73 | # we bless all objects into derived classes to force a method lookup |
|
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74 | # within the Safe compartment. |
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75 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) { |
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76 | no strict 'refs'; |
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77 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
|
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78 | } |
| 66 | |
79 | |
| 67 | $Event::DIED = sub { |
80 | $Event::DIED = sub { |
| 68 | warn "error in event callback: @_"; |
81 | warn "error in event callback: @_"; |
| 69 | }; |
82 | }; |
| 70 | |
83 | |
| … | |
… | |
| 158 | |
171 | |
| 159 | push @exts, $pkg; |
172 | push @exts, $pkg; |
| 160 | $ext_pkg{$base} = $pkg; |
173 | $ext_pkg{$base} = $pkg; |
| 161 | |
174 | |
| 162 | # no strict 'refs'; |
175 | # no strict 'refs'; |
| 163 | # @{"$pkg\::ISA"} = cf::ext::; |
176 | # @{"$pkg\::ISA"} = ext::; |
| 164 | |
177 | |
| 165 | register $base, $pkg; |
178 | register $base, $pkg; |
| 166 | } |
179 | } |
| 167 | |
180 | |
| 168 | sub unload_extension { |
181 | sub unload_extension { |
| 169 | my ($pkg) = @_; |
182 | my ($pkg) = @_; |
| 170 | |
183 | |
| 171 | warn "removing extension $pkg\n"; |
184 | warn "removing extension $pkg\n"; |
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185 | |
|
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186 | if (my $cb = $pkg->can ("on_unload")) { |
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187 | $cb->($pkg); |
|
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188 | } |
| 172 | |
189 | |
| 173 | # remove hooks |
190 | # remove hooks |
| 174 | for my $idx (0 .. $#EVENT) { |
191 | for my $idx (0 .. $#EVENT) { |
| 175 | delete $hook[$idx]{$pkg}; |
192 | delete $hook[$idx]{$pkg}; |
| 176 | } |
193 | } |
| … | |
… | |
| 214 | if ($who->flag (FLAG_WIZ)) { |
231 | if ($who->flag (FLAG_WIZ)) { |
| 215 | $who->message ("reloading..."); |
232 | $who->message ("reloading..."); |
| 216 | |
233 | |
| 217 | warn "reloading...\n"; |
234 | warn "reloading...\n"; |
| 218 | eval { |
235 | eval { |
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236 | # 1. cancel all watchers |
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237 | $_->cancel for Event::all_watchers; |
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238 | |
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239 | # 2. unload all extensions |
|
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240 | for (@exts) { |
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241 | $who->message ("unloading <$_>"); |
| 219 | unload_extension $_ for @exts; |
242 | unload_extension $_; |
|
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243 | } |
|
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244 | |
|
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245 | # 3. unload all modules loaded from $LIBDIR |
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246 | while (my ($k, $v) = each %INC) { |
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247 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
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248 | |
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249 | $who->message ("removing <$k>"); |
|
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250 | delete $INC{$k}; |
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251 | |
|
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252 | $k =~ s/\.pm$//; |
|
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253 | $k =~ s/\//::/g; |
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254 | |
|
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255 | if (my $cb = $k->can ("unload_module")) { |
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256 | $cb->(); |
|
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257 | } |
|
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258 | |
|
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259 | Symbol::delete_package $k; |
|
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260 | } |
|
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261 | |
|
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262 | # 4. get rid of ext::, as good as possible |
|
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263 | Symbol::delete_package "ext::$_" |
|
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264 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
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265 | |
|
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266 | # 5. remove register_script_function callbacks |
|
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267 | # TODO |
|
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268 | |
|
|
269 | # 6. unload cf.pm "a bit" |
| 220 | delete $INC{"cf.pm"}; |
270 | delete $INC{"cf.pm"}; |
| 221 | |
271 | |
| 222 | # don't, removes xs symbols, too |
272 | # don't, removes xs symbols, too |
| 223 | #Symbol::delete_package $pkg; |
273 | #Symbol::delete_package __PACKAGE__; |
| 224 | |
274 | |
|
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275 | # 7. reload cf.pm |
|
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276 | $who->message ("reloading cf.pm"); |
| 225 | require cf; |
277 | require cf; |
| 226 | }; |
278 | }; |
| 227 | warn $@ if $@; |
279 | warn $@ if $@; |
| 228 | $who->message ($@) if $@; |
280 | $who->message ($@) if $@; |
| 229 | warn "reloaded\n"; |
281 | warn "reloaded\n"; |
| … | |
… | |
| 308 | # load/save perl data associated with player->ob objects |
360 | # load/save perl data associated with player->ob objects |
| 309 | |
361 | |
| 310 | *on_player_load = sub { |
362 | *on_player_load = sub { |
| 311 | my ($ob, $path) = @_; |
363 | my ($ob, $path) = @_; |
| 312 | |
364 | |
| 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) { |
365 | for my $o ($ob, $ob->inv) { |
| 327 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
366 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
| 328 | $o->set_ob_key_value ("_perl_data"); |
367 | $o->set_ob_key_value ("_perl_data"); |
| 329 | |
368 | |
| 330 | %$o = %{ Storable::thaw pack "H*", $value }; |
369 | %$o = %{ Storable::thaw pack "H*", $value }; |
| … | |
… | |
| 335 | *on_player_save = sub { |
374 | *on_player_save = sub { |
| 336 | my ($ob, $path) = @_; |
375 | my ($ob, $path) = @_; |
| 337 | |
376 | |
| 338 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
377 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
| 339 | for grep %$_, $ob, $ob->inv; |
378 | for grep %$_, $ob, $ob->inv; |
| 340 | |
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| 341 | unlink "$path.cfperl";#d##TODO#remove |
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| 342 | }; |
379 | }; |
|
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380 | |
|
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381 | ############################################################################# |
|
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382 | # core extensions - in perl |
|
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383 | |
|
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384 | =item cf::player::exists $login |
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385 | |
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386 | Returns true when the given account exists. |
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387 | |
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388 | =cut |
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389 | |
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390 | sub cf::player::exists($) { |
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391 | cf::player::find $_[0] |
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392 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
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393 | } |
|
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394 | |
|
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395 | # rough implementation of a future "reply" method that works |
|
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396 | # with dialog boxes. |
|
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397 | sub cf::object::player::reply($$$;$) { |
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398 | my ($self, $npc, $msg, $flags) = @_; |
|
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399 | |
|
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400 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
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401 | |
|
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402 | if ($self->{record_replies}) { |
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403 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
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404 | } else { |
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405 | $msg = $npc->name . " says: $msg" if $npc; |
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406 | $self->message ($msg, $flags); |
|
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407 | } |
|
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408 | } |
|
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409 | |
|
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410 | ############################################################################# |
|
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411 | # map scripting support |
|
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412 | |
|
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413 | our $safe = new Safe "ext"; |
|
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414 | our $safe_hole = new Safe::Hole; |
|
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415 | |
|
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416 | $SIG{FPE} = 'IGNORE'; |
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417 | |
|
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418 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
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419 | |
|
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420 | # here we export the classes and methods available to script code |
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421 | |
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422 | for ( |
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423 | ["cf::object" => qw(contr pay_amount pay_player)], |
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424 | ["cf::object::player" => qw(player)], |
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425 | ["cf::player" => qw(peaceful)], |
|
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426 | ) { |
|
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427 | no strict 'refs'; |
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428 | my ($pkg, @funs) = @$_; |
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429 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
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430 | for @funs; |
|
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431 | } |
|
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432 | |
|
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433 | sub safe_eval($;@) { |
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434 | my ($code, %vars) = @_; |
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435 | |
|
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436 | my $qcode = $code; |
|
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437 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
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438 | $qcode =~ s/\n/\\n/g; |
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439 | |
|
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440 | local $_; |
|
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441 | local @ext::cf::_safe_eval_args = values %vars; |
|
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442 | |
|
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443 | $code = |
|
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444 | "do {\n" |
|
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445 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
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446 | . "#line 0 \"{$qcode}\"\n" |
|
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447 | . $code |
|
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448 | . "\n}" |
|
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449 | ; |
|
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450 | |
|
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451 | sub_generation_inc; |
|
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452 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
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453 | sub_generation_inc; |
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454 | |
|
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455 | wantarray ? @res : $res[0] |
|
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456 | } |
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457 | |
|
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458 | sub register_script_function { |
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459 | my ($fun, $cb) = @_; |
|
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460 | |
|
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461 | no strict 'refs'; |
|
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462 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
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463 | } |
|
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464 | |
|
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465 | ############################################################################# |
|
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466 | # initialisation |
| 343 | |
467 | |
| 344 | register "<global>", __PACKAGE__; |
468 | register "<global>", __PACKAGE__; |
| 345 | |
469 | |
| 346 | unshift @INC, maps_directory "perl"; |
470 | unshift @INC, $LIBDIR; |
| 347 | |
471 | |
| 348 | load_extensions; |
472 | load_extensions; |
| 349 | |
473 | |
| 350 | 1 |
474 | 1 |
| 351 | |
475 | |
