| 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 Event; |
|
|
11 | $Event::Eval = 1; # no idea why this is required, but it is |
| 6 | |
12 | |
| 7 | use strict; |
13 | use strict; |
| 8 | |
14 | |
| 9 | our %COMMAND; |
15 | our %COMMAND; |
| 10 | our @EVENT; |
16 | our @EVENT; |
| 11 | our %PROP_TYPE; |
17 | our %PROP_TYPE; |
| 12 | our %PROP_IDX; |
18 | our %PROP_IDX; |
|
|
19 | our $LIBDIR = maps_directory "perl"; |
| 13 | |
20 | |
| 14 | BEGIN { |
21 | BEGIN { |
| 15 | @EVENT = map lc, @EVENT; |
22 | @EVENT = map lc, @EVENT; |
| 16 | |
23 | |
| 17 | *CORE::GLOBAL::warn = sub { |
24 | *CORE::GLOBAL::warn = sub { |
| … | |
… | |
| 58 | prop_gen MAP_PROP => "cf::map"; |
65 | prop_gen MAP_PROP => "cf::map"; |
| 59 | prop_gen ARCH_PROP => "cf::arch"; |
66 | prop_gen ARCH_PROP => "cf::arch"; |
| 60 | |
67 | |
| 61 | # guessed hierarchies |
68 | # guessed hierarchies |
| 62 | |
69 | |
| 63 | @cf::object::player::ISA = 'cf::object'; |
70 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 64 | @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 $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
|
|
76 | no strict 'refs'; |
|
|
77 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
|
|
78 | } |
|
|
79 | |
|
|
80 | $Event::DIED = sub { |
|
|
81 | warn "error in event callback: @_"; |
|
|
82 | }; |
| 65 | |
83 | |
| 66 | my %ext_pkg; |
84 | my %ext_pkg; |
| 67 | my @exts; |
85 | my @exts; |
| 68 | my @hook; |
86 | my @hook; |
| 69 | my %command; |
87 | my %command; |
|
|
88 | my %extcmd; |
| 70 | |
89 | |
| 71 | sub inject_event { |
90 | sub inject_event { |
| 72 | my ($data) = @_; |
91 | my $extension = shift; |
|
|
92 | my $event_code = shift; |
| 73 | |
93 | |
| 74 | my $cb = $hook[$data->{event_code}]{$data->{extension}} |
94 | my $cb = $hook[$event_code]{$extension} |
| 75 | or return; |
95 | or return; |
| 76 | |
96 | |
| 77 | $cb->($data) |
97 | &$cb |
| 78 | } |
98 | } |
| 79 | |
99 | |
| 80 | sub inject_global_event { |
100 | sub inject_global_event { |
| 81 | my ($data) = @_; |
101 | my $event = shift; |
| 82 | |
102 | |
| 83 | my $cb = $hook[$data->{event_code}] |
103 | my $cb = $hook[$event] |
| 84 | or return; |
104 | or return; |
| 85 | |
105 | |
| 86 | List::Util::max map $_->($data), values %$cb |
106 | List::Util::max map &$_, values %$cb |
| 87 | } |
107 | } |
| 88 | |
108 | |
| 89 | sub inject_command { |
109 | sub inject_command { |
| 90 | my ($name, $obj, $params) = @_; |
110 | my ($name, $obj, $params) = @_; |
| 91 | |
111 | |
| … | |
… | |
| 98 | |
118 | |
| 99 | sub register_command { |
119 | sub register_command { |
| 100 | my ($name, $time, $cb) = @_; |
120 | my ($name, $time, $cb) = @_; |
| 101 | |
121 | |
| 102 | my $caller = caller; |
122 | my $caller = caller; |
| 103 | |
|
|
| 104 | warn "registering command '$name/$time' to '$caller'"; |
123 | #warn "registering command '$name/$time' to '$caller'"; |
| 105 | |
124 | |
| 106 | push @{ $command{$name} }, [$time, $cb, $caller]; |
125 | push @{ $command{$name} }, [$time, $cb, $caller]; |
| 107 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
126 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
| 108 | } |
127 | } |
| 109 | |
128 | |
|
|
129 | sub register_extcmd { |
|
|
130 | my ($name, $cb) = @_; |
|
|
131 | |
|
|
132 | my $caller = caller; |
|
|
133 | #warn "registering extcmd '$name' to '$caller'"; |
|
|
134 | |
|
|
135 | $extcmd{$name} = [$cb, $caller]; |
|
|
136 | } |
|
|
137 | |
| 110 | sub register { |
138 | sub register { |
| 111 | my ($base, $pkg) = @_; |
139 | my ($base, $pkg) = @_; |
| 112 | |
140 | |
| 113 | for my $idx (0 .. $#EVENT) { |
141 | for my $idx (0 .. $#EVENT) { |
| 114 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
142 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
| 115 | warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
143 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
| 116 | $hook[$idx]{$base} = $ref; |
144 | $hook[$idx]{$base} = $ref; |
| 117 | } |
145 | } |
| 118 | } |
146 | } |
| 119 | } |
147 | } |
| 120 | |
148 | |
| … | |
… | |
| 143 | |
171 | |
| 144 | push @exts, $pkg; |
172 | push @exts, $pkg; |
| 145 | $ext_pkg{$base} = $pkg; |
173 | $ext_pkg{$base} = $pkg; |
| 146 | |
174 | |
| 147 | # no strict 'refs'; |
175 | # no strict 'refs'; |
| 148 | # @{"$pkg\::ISA"} = cf::ext::; |
176 | # @{"$pkg\::ISA"} = ext::; |
| 149 | |
177 | |
| 150 | register $base, $pkg; |
178 | register $base, $pkg; |
| 151 | } |
179 | } |
| 152 | |
180 | |
| 153 | sub unload_extension { |
181 | sub unload_extension { |
| 154 | my ($pkg) = @_; |
182 | my ($pkg) = @_; |
| 155 | |
183 | |
| 156 | warn "removing extension $pkg\n"; |
184 | warn "removing extension $pkg\n"; |
|
|
185 | |
|
|
186 | if (my $cb = $pkg->can ("on_unload")) { |
|
|
187 | $cb->($pkg); |
|
|
188 | } |
| 157 | |
189 | |
| 158 | # remove hooks |
190 | # remove hooks |
| 159 | for my $idx (0 .. $#EVENT) { |
191 | for my $idx (0 .. $#EVENT) { |
| 160 | delete $hook[$idx]{$pkg}; |
192 | delete $hook[$idx]{$pkg}; |
| 161 | } |
193 | } |
| … | |
… | |
| 171 | delete $command{$name}; |
203 | delete $command{$name}; |
| 172 | delete $COMMAND{"$name\000"}; |
204 | delete $COMMAND{"$name\000"}; |
| 173 | } |
205 | } |
| 174 | } |
206 | } |
| 175 | |
207 | |
|
|
208 | # remove extcmds |
|
|
209 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
|
|
210 | delete $extcmd{$name}; |
|
|
211 | } |
|
|
212 | |
| 176 | Symbol::delete_package $pkg; |
213 | Symbol::delete_package $pkg; |
| 177 | } |
214 | } |
| 178 | |
215 | |
| 179 | sub load_extensions { |
216 | sub load_extensions { |
| 180 | my $LIBDIR = maps_directory "perl"; |
217 | my $LIBDIR = maps_directory "perl"; |
| … | |
… | |
| 194 | if ($who->flag (FLAG_WIZ)) { |
231 | if ($who->flag (FLAG_WIZ)) { |
| 195 | $who->message ("reloading..."); |
232 | $who->message ("reloading..."); |
| 196 | |
233 | |
| 197 | warn "reloading...\n"; |
234 | warn "reloading...\n"; |
| 198 | eval { |
235 | eval { |
|
|
236 | # 1. cancel all watchers |
|
|
237 | $_->cancel for Event::all_watchers; |
|
|
238 | |
|
|
239 | # 2. unload all extensions |
|
|
240 | for (@exts) { |
|
|
241 | $who->message ("unloading <$_>"); |
| 199 | unload_extension $_ for @exts; |
242 | unload_extension $_; |
|
|
243 | } |
|
|
244 | |
|
|
245 | # 3. unload all modules loaded from $LIBDIR |
|
|
246 | while (my ($k, $v) = each %INC) { |
|
|
247 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
248 | |
|
|
249 | $who->message ("removing <$k>"); |
|
|
250 | delete $INC{$k}; |
|
|
251 | |
|
|
252 | $k =~ s/\.pm$//; |
|
|
253 | $k =~ s/\//::/g; |
|
|
254 | |
|
|
255 | if (my $cb = $k->can ("unload_module")) { |
|
|
256 | $cb->(); |
|
|
257 | } |
|
|
258 | |
|
|
259 | Symbol::delete_package $k; |
|
|
260 | } |
|
|
261 | |
|
|
262 | # 4. get rid of ext::, as good as possible |
|
|
263 | Symbol::delete_package "ext::$_" |
|
|
264 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
|
265 | |
|
|
266 | # 5. remove register_script_function callbacks |
|
|
267 | # TODO |
|
|
268 | |
|
|
269 | # 6. unload cf.pm "a bit" |
| 200 | delete $INC{"cf.pm"}; |
270 | delete $INC{"cf.pm"}; |
| 201 | |
271 | |
| 202 | # don't, removes xs symbols, too |
272 | # don't, removes xs symbols, too |
| 203 | #Symbol::delete_package $pkg; |
273 | #Symbol::delete_package __PACKAGE__; |
| 204 | |
274 | |
|
|
275 | # 7. reload cf.pm |
|
|
276 | $who->message ("reloading cf.pm"); |
| 205 | require cf; |
277 | require cf; |
| 206 | }; |
278 | }; |
| 207 | warn $@ if $@; |
279 | warn $@ if $@; |
| 208 | $who->message ($@) if $@; |
280 | $who->message ($@) if $@; |
| 209 | warn "reloaded\n"; |
281 | warn "reloaded\n"; |
| … | |
… | |
| 213 | $who->message ("Intruder Alert!"); |
285 | $who->message ("Intruder Alert!"); |
| 214 | } |
286 | } |
| 215 | }; |
287 | }; |
| 216 | |
288 | |
| 217 | ############################################################################# |
289 | ############################################################################# |
|
|
290 | # utility functions |
|
|
291 | |
|
|
292 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
293 | |
|
|
294 | sub from_json($) { |
|
|
295 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
|
296 | JSON::Syck::Load $_[0] |
|
|
297 | } |
|
|
298 | |
|
|
299 | sub to_json($) { |
|
|
300 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
|
301 | JSON::Syck::Dump $_[0] |
|
|
302 | } |
|
|
303 | |
|
|
304 | ############################################################################# |
|
|
305 | # extcmd framework, basically convert ext <msg> |
|
|
306 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
307 | |
|
|
308 | sub on_extcmd { |
|
|
309 | my ($pl, $buf) = @_; |
|
|
310 | |
|
|
311 | my $msg = eval { from_json $buf }; |
|
|
312 | |
|
|
313 | if (ref $msg) { |
|
|
314 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
315 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
316 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
317 | } |
|
|
318 | } |
|
|
319 | } else { |
|
|
320 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
321 | } |
|
|
322 | |
|
|
323 | 1 |
|
|
324 | } |
|
|
325 | |
|
|
326 | ############################################################################# |
| 218 | # load/save/clean perl data associated with a map |
327 | # load/save/clean perl data associated with a map |
| 219 | |
328 | |
| 220 | *on_mapclean = sub { |
329 | *on_mapclean = sub { |
| 221 | my $map = shift->{map}; |
330 | my ($map) = @_; |
| 222 | |
331 | |
| 223 | my $path = $map->tmpname; |
332 | my $path = $map->tmpname; |
| 224 | defined $path or return; |
333 | defined $path or return; |
| 225 | |
334 | |
| 226 | unlink "$path.cfperl"; |
335 | unlink "$path.cfperl"; |
| 227 | }; |
336 | }; |
| 228 | |
337 | |
| 229 | *on_mapin = |
338 | *on_mapin = |
| 230 | *on_mapload = sub { |
339 | *on_mapload = sub { |
| 231 | my $map = shift->{map}; |
340 | my ($map) = @_; |
| 232 | |
341 | |
| 233 | my $path = $map->tmpname; |
342 | my $path = $map->tmpname; |
| 234 | $path = $map->path unless defined $path; |
343 | $path = $map->path unless defined $path; |
| 235 | |
344 | |
| 236 | open my $fh, "<:raw", "$path.cfperl" |
345 | open my $fh, "<:raw", "$path.cfperl" |
| … | |
… | |
| 243 | |
352 | |
| 244 | $map->_set_obs ($data->{obs}); |
353 | $map->_set_obs ($data->{obs}); |
| 245 | }; |
354 | }; |
| 246 | |
355 | |
| 247 | *on_mapout = sub { |
356 | *on_mapout = sub { |
| 248 | my $map = shift->{map}; |
357 | my ($map) = @_; |
| 249 | |
358 | |
| 250 | my $path = $map->tmpname; |
359 | my $path = $map->tmpname; |
| 251 | $path = $map->path unless defined $path; |
360 | $path = $map->path unless defined $path; |
| 252 | |
361 | |
| 253 | my $obs = $map->_get_obs; |
362 | my $obs = $map->_get_obs; |
| … | |
… | |
| 273 | |
382 | |
| 274 | ############################################################################# |
383 | ############################################################################# |
| 275 | # load/save perl data associated with player->ob objects |
384 | # load/save perl data associated with player->ob objects |
| 276 | |
385 | |
| 277 | *on_player_load = sub { |
386 | *on_player_load = sub { |
| 278 | my ($event) = @_; |
387 | my ($ob, $path) = @_; |
| 279 | my $path = $event->{message}; |
|
|
| 280 | my $ob = $event->{who}; |
|
|
| 281 | |
388 | |
| 282 | open my $fh, "<:raw", "$path.cfperl" |
389 | for my $o ($ob, $ob->inv) { |
| 283 | or return; # no perl data |
390 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
|
391 | $o->set_ob_key_value ("_perl_data"); |
| 284 | |
392 | |
| 285 | my $data = Storable::thaw do { local $/; <$fh> }; |
393 | %$o = %{ Storable::thaw pack "H*", $value }; |
| 286 | |
394 | } |
| 287 | $data->{version} <= 1 |
395 | } |
| 288 | or return; # too new |
|
|
| 289 | |
|
|
| 290 | %$ob = %{$data->{ob}}; |
|
|
| 291 | }; |
396 | }; |
| 292 | |
397 | |
| 293 | *on_player_save = sub { |
398 | *on_player_save = sub { |
| 294 | my ($event) = @_; |
399 | my ($ob, $path) = @_; |
| 295 | my $path = $event->{message}; |
|
|
| 296 | my $ob = $event->{who}; |
|
|
| 297 | |
400 | |
| 298 | if (keys %$ob) { |
401 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
| 299 | open my $fh, ">:raw", "$path.cfperl" |
402 | for grep %$_, $ob, $ob->inv; |
| 300 | or die "$path.cfperl: $!"; |
403 | }; |
| 301 | |
404 | |
| 302 | stat $path; |
405 | ############################################################################# |
|
|
406 | # core extensions - in perl |
| 303 | |
407 | |
| 304 | print $fh Storable::nfreeze { |
408 | =item cf::player::exists $login |
| 305 | size => (stat _)[7], |
|
|
| 306 | time => (stat _)[9], |
|
|
| 307 | version => 1, |
|
|
| 308 | ob => $ob, |
|
|
| 309 | }; |
|
|
| 310 | |
409 | |
| 311 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
410 | Returns true when the given account exists. |
|
|
411 | |
|
|
412 | =cut |
|
|
413 | |
|
|
414 | sub cf::player::exists($) { |
|
|
415 | cf::player::find $_[0] |
|
|
416 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
417 | } |
|
|
418 | |
|
|
419 | =item $player->reply ($npc, $msg[, $flags]) |
|
|
420 | |
|
|
421 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
|
422 | can be C<undef>. Does the right thing when the player is currently in a |
|
|
423 | dialogue with the given NPC character. |
|
|
424 | |
|
|
425 | =cut |
|
|
426 | |
|
|
427 | # rough implementation of a future "reply" method that works |
|
|
428 | # with dialog boxes. |
|
|
429 | sub cf::object::player::reply($$$;$) { |
|
|
430 | my ($self, $npc, $msg, $flags) = @_; |
|
|
431 | |
|
|
432 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
|
433 | |
|
|
434 | if ($self->{record_replies}) { |
|
|
435 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
| 312 | } else { |
436 | } else { |
| 313 | unlink "$path.cfperl"; |
437 | $msg = $npc->name . " says: $msg" if $npc; |
|
|
438 | $self->message ($msg, $flags); |
|
|
439 | } |
|
|
440 | } |
|
|
441 | |
|
|
442 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
443 | |
|
|
444 | Sends an ext reply to the player. |
|
|
445 | |
|
|
446 | =cut |
|
|
447 | |
|
|
448 | sub cf::player::ext_reply($$$%) { |
|
|
449 | my ($self, $id, %msg) = @_; |
|
|
450 | |
|
|
451 | $msg{msgid} = $id; |
|
|
452 | |
|
|
453 | $self->send ("ext " . to_json \%msg); |
|
|
454 | } |
|
|
455 | |
|
|
456 | ############################################################################# |
|
|
457 | # map scripting support |
|
|
458 | |
|
|
459 | our $safe = new Safe "ext"; |
|
|
460 | our $safe_hole = new Safe::Hole; |
|
|
461 | |
|
|
462 | $SIG{FPE} = 'IGNORE'; |
|
|
463 | |
|
|
464 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
|
465 | |
|
|
466 | # here we export the classes and methods available to script code |
|
|
467 | |
|
|
468 | for ( |
|
|
469 | ["cf::object" => qw(contr pay_amount pay_player)], |
|
|
470 | ["cf::object::player" => qw(player)], |
|
|
471 | ["cf::player" => qw(peaceful)], |
|
|
472 | ) { |
|
|
473 | no strict 'refs'; |
|
|
474 | my ($pkg, @funs) = @$_; |
|
|
475 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
|
476 | for @funs; |
|
|
477 | } |
|
|
478 | |
|
|
479 | sub safe_eval($;@) { |
|
|
480 | my ($code, %vars) = @_; |
|
|
481 | |
|
|
482 | my $qcode = $code; |
|
|
483 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
484 | $qcode =~ s/\n/\\n/g; |
|
|
485 | |
|
|
486 | local $_; |
|
|
487 | local @ext::cf::_safe_eval_args = values %vars; |
|
|
488 | |
|
|
489 | $code = |
|
|
490 | "do {\n" |
|
|
491 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
|
492 | . "#line 0 \"{$qcode}\"\n" |
|
|
493 | . $code |
|
|
494 | . "\n}" |
| 314 | } |
495 | ; |
| 315 | }; |
496 | |
|
|
497 | sub_generation_inc; |
|
|
498 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
|
499 | sub_generation_inc; |
|
|
500 | |
|
|
501 | wantarray ? @res : $res[0] |
|
|
502 | } |
|
|
503 | |
|
|
504 | sub register_script_function { |
|
|
505 | my ($fun, $cb) = @_; |
|
|
506 | |
|
|
507 | no strict 'refs'; |
|
|
508 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
|
509 | } |
|
|
510 | |
|
|
511 | ############################################################################# |
|
|
512 | # initialisation |
| 316 | |
513 | |
| 317 | register "<global>", __PACKAGE__; |
514 | register "<global>", __PACKAGE__; |
| 318 | |
515 | |
|
|
516 | unshift @INC, $LIBDIR; |
|
|
517 | |
| 319 | load_extensions; |
518 | load_extensions; |
| 320 | |
519 | |
| 321 | 1 |
520 | 1 |
| 322 | |
521 | |
