| 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 | |
| 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'; |
|
|
72 | |
|
|
73 | # we bless all objects into derived classes to force a method lookup |
|
|
74 | # within the Safe compartment. |
|
|
75 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
|
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76 | no strict 'refs'; |
|
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77 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
|
|
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 { |
| … | |
… | |
| 191 | # remove extcmds |
204 | # remove extcmds |
| 192 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
205 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
| 193 | delete $extcmd{$name}; |
206 | delete $extcmd{$name}; |
| 194 | } |
207 | } |
| 195 | |
208 | |
|
|
209 | if (my $cb = $pkg->can ("on_unload")) { |
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210 | eval { |
|
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211 | $cb->($pkg); |
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212 | 1 |
|
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213 | } or warn "$pkg unloaded, but with errors: $@"; |
|
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214 | } |
|
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215 | |
| 196 | Symbol::delete_package $pkg; |
216 | Symbol::delete_package $pkg; |
| 197 | } |
217 | } |
| 198 | |
218 | |
| 199 | sub load_extensions { |
219 | sub load_extensions { |
| 200 | my $LIBDIR = maps_directory "perl"; |
220 | my $LIBDIR = maps_directory "perl"; |
| … | |
… | |
| 214 | if ($who->flag (FLAG_WIZ)) { |
234 | if ($who->flag (FLAG_WIZ)) { |
| 215 | $who->message ("reloading..."); |
235 | $who->message ("reloading..."); |
| 216 | |
236 | |
| 217 | warn "reloading...\n"; |
237 | warn "reloading...\n"; |
| 218 | eval { |
238 | eval { |
|
|
239 | # 1. cancel all watchers |
|
|
240 | $_->cancel for Event::all_watchers; |
|
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241 | |
|
|
242 | # 2. unload all extensions |
|
|
243 | for (@exts) { |
|
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244 | $who->message ("unloading <$_>"); |
| 219 | unload_extension $_ for @exts; |
245 | unload_extension $_; |
|
|
246 | } |
|
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247 | |
|
|
248 | # 3. unload all modules loaded from $LIBDIR |
|
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249 | while (my ($k, $v) = each %INC) { |
|
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250 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
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251 | |
|
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252 | $who->message ("removing <$k>"); |
|
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253 | delete $INC{$k}; |
|
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254 | |
|
|
255 | $k =~ s/\.pm$//; |
|
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256 | $k =~ s/\//::/g; |
|
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257 | |
|
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258 | if (my $cb = $k->can ("unload_module")) { |
|
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259 | $cb->(); |
|
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260 | } |
|
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261 | |
|
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262 | Symbol::delete_package $k; |
|
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263 | } |
|
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264 | |
|
|
265 | # 4. get rid of ext::, as good as possible |
|
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266 | Symbol::delete_package "ext::$_" |
|
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267 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
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268 | |
|
|
269 | # 5. remove register_script_function callbacks |
|
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270 | # TODO |
|
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271 | |
|
|
272 | # 6. unload cf.pm "a bit" |
| 220 | delete $INC{"cf.pm"}; |
273 | delete $INC{"cf.pm"}; |
| 221 | |
274 | |
| 222 | # don't, removes xs symbols, too |
275 | # don't, removes xs symbols, too |
| 223 | #Symbol::delete_package $pkg; |
276 | #Symbol::delete_package __PACKAGE__; |
| 224 | |
277 | |
|
|
278 | # 7. reload cf.pm |
|
|
279 | $who->message ("reloading cf.pm"); |
| 225 | require cf; |
280 | require cf; |
| 226 | }; |
281 | }; |
| 227 | warn $@ if $@; |
282 | warn $@ if $@; |
| 228 | $who->message ($@) if $@; |
283 | $who->message ($@) if $@; |
| 229 | warn "reloaded\n"; |
284 | warn "reloaded\n"; |
| … | |
… | |
| 233 | $who->message ("Intruder Alert!"); |
288 | $who->message ("Intruder Alert!"); |
| 234 | } |
289 | } |
| 235 | }; |
290 | }; |
| 236 | |
291 | |
| 237 | ############################################################################# |
292 | ############################################################################# |
|
|
293 | # utility functions |
|
|
294 | |
|
|
295 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
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296 | |
|
|
297 | sub from_json($) { |
|
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298 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
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299 | JSON::Syck::Load $_[0] |
|
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300 | } |
|
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301 | |
|
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302 | sub to_json($) { |
|
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303 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
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304 | JSON::Syck::Dump $_[0] |
|
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305 | } |
|
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306 | |
|
|
307 | ############################################################################# |
| 238 | # extcmd framework, basically convert ext <id> <pkg> arg1 args |
308 | # extcmd framework, basically convert ext <msg> |
| 239 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
309 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
| 240 | |
310 | |
| 241 | sub on_extcmd { |
311 | sub on_extcmd { |
| 242 | my ($pl, $buf) = @_; |
312 | my ($pl, $buf) = @_; |
| 243 | |
313 | |
| 244 | my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
314 | my $msg = eval { from_json $buf }; |
| 245 | |
315 | |
| 246 | $extcmd{$type}[0]->($pl, $buf) |
316 | if (ref $msg) { |
| 247 | if $extcmd{$type}; |
317 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
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318 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
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319 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
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320 | } |
|
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321 | } |
|
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322 | } else { |
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323 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
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324 | } |
|
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325 | |
|
|
326 | 1 |
| 248 | } |
327 | } |
| 249 | |
328 | |
| 250 | ############################################################################# |
329 | ############################################################################# |
| 251 | # load/save/clean perl data associated with a map |
330 | # load/save/clean perl data associated with a map |
| 252 | |
331 | |
| … | |
… | |
| 308 | # load/save perl data associated with player->ob objects |
387 | # load/save perl data associated with player->ob objects |
| 309 | |
388 | |
| 310 | *on_player_load = sub { |
389 | *on_player_load = sub { |
| 311 | my ($ob, $path) = @_; |
390 | my ($ob, $path) = @_; |
| 312 | |
391 | |
| 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; |
|
|
| 324 | } |
|
|
| 325 | |
|
|
| 326 | for my $o ($ob, $ob->inv) { |
392 | for my $o ($ob, $ob->inv) { |
| 327 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
393 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
| 328 | $o->set_ob_key_value ("_perl_data"); |
394 | $o->set_ob_key_value ("_perl_data"); |
| 329 | |
395 | |
| 330 | %$o = %{ Storable::thaw pack "H*", $value }; |
396 | %$o = %{ Storable::thaw pack "H*", $value }; |
| … | |
… | |
| 335 | *on_player_save = sub { |
401 | *on_player_save = sub { |
| 336 | my ($ob, $path) = @_; |
402 | my ($ob, $path) = @_; |
| 337 | |
403 | |
| 338 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
404 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
| 339 | for grep %$_, $ob, $ob->inv; |
405 | for grep %$_, $ob, $ob->inv; |
| 340 | |
|
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| 341 | unlink "$path.cfperl";#d##TODO#remove |
|
|
| 342 | }; |
406 | }; |
|
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407 | |
|
|
408 | ############################################################################# |
|
|
409 | # core extensions - in perl |
|
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410 | |
|
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411 | =item cf::player::exists $login |
|
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412 | |
|
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413 | Returns true when the given account exists. |
|
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414 | |
|
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415 | =cut |
|
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416 | |
|
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417 | sub cf::player::exists($) { |
|
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418 | cf::player::find $_[0] |
|
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419 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
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420 | } |
|
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421 | |
|
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422 | =item $player->reply ($npc, $msg[, $flags]) |
|
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423 | |
|
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424 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
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425 | can be C<undef>. Does the right thing when the player is currently in a |
|
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426 | dialogue with the given NPC character. |
|
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427 | |
|
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428 | =cut |
|
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429 | |
|
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430 | # rough implementation of a future "reply" method that works |
|
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431 | # with dialog boxes. |
|
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432 | sub cf::object::player::reply($$$;$) { |
|
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433 | my ($self, $npc, $msg, $flags) = @_; |
|
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434 | |
|
|
435 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
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436 | |
|
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437 | if ($self->{record_replies}) { |
|
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438 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
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439 | } else { |
|
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440 | $msg = $npc->name . " says: $msg" if $npc; |
|
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441 | $self->message ($msg, $flags); |
|
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442 | } |
|
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443 | } |
|
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444 | |
|
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445 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
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446 | |
|
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447 | Sends an ext reply to the player. |
|
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448 | |
|
|
449 | =cut |
|
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450 | |
|
|
451 | sub cf::player::ext_reply($$$%) { |
|
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452 | my ($self, $id, %msg) = @_; |
|
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453 | |
|
|
454 | $msg{msgid} = $id; |
|
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455 | |
|
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456 | $self->send ("ext " . to_json \%msg); |
|
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457 | } |
|
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458 | |
|
|
459 | ############################################################################# |
|
|
460 | # map scripting support |
|
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461 | |
|
|
462 | our $safe = new Safe "ext"; |
|
|
463 | our $safe_hole = new Safe::Hole; |
|
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464 | |
|
|
465 | $SIG{FPE} = 'IGNORE'; |
|
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466 | |
|
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467 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
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468 | |
|
|
469 | # here we export the classes and methods available to script code |
|
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470 | |
|
|
471 | for ( |
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472 | ["cf::object" => qw(contr pay_amount pay_player)], |
|
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473 | ["cf::object::player" => qw(player)], |
|
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474 | ["cf::player" => qw(peaceful)], |
|
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475 | ) { |
|
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476 | no strict 'refs'; |
|
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477 | my ($pkg, @funs) = @$_; |
|
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478 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
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479 | for @funs; |
|
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480 | } |
|
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481 | |
|
|
482 | sub safe_eval($;@) { |
|
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483 | my ($code, %vars) = @_; |
|
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484 | |
|
|
485 | my $qcode = $code; |
|
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486 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
487 | $qcode =~ s/\n/\\n/g; |
|
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488 | |
|
|
489 | local $_; |
|
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490 | local @ext::cf::_safe_eval_args = values %vars; |
|
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491 | |
|
|
492 | $code = |
|
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493 | "do {\n" |
|
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494 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
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495 | . "#line 0 \"{$qcode}\"\n" |
|
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496 | . $code |
|
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497 | . "\n}" |
|
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498 | ; |
|
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499 | |
|
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500 | sub_generation_inc; |
|
|
501 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
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502 | sub_generation_inc; |
|
|
503 | |
|
|
504 | wantarray ? @res : $res[0] |
|
|
505 | } |
|
|
506 | |
|
|
507 | sub register_script_function { |
|
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508 | my ($fun, $cb) = @_; |
|
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509 | |
|
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510 | no strict 'refs'; |
|
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511 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
|
512 | } |
|
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513 | |
|
|
514 | ############################################################################# |
|
|
515 | # initialisation |
| 343 | |
516 | |
| 344 | register "<global>", __PACKAGE__; |
517 | register "<global>", __PACKAGE__; |
| 345 | |
518 | |
| 346 | unshift @INC, maps_directory "perl"; |
519 | unshift @INC, $LIBDIR; |
| 347 | |
520 | |
| 348 | load_extensions; |
521 | load_extensions; |
| 349 | |
522 | |
| 350 | 1 |
523 | 1 |
| 351 | |
524 | |
