| 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; |
|
|
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 |
| 5 | |
12 | |
| 6 | use strict; |
13 | use strict; |
| 7 | |
14 | |
| 8 | our %COMMAND; |
15 | our %COMMAND; |
| 9 | our @EVENT; |
16 | our @EVENT; |
| … | |
… | |
| 21 | print STDERR "cfperl: $msg"; |
28 | print STDERR "cfperl: $msg"; |
| 22 | LOG llevError, "cfperl: $msg"; |
29 | LOG llevError, "cfperl: $msg"; |
| 23 | }; |
30 | }; |
| 24 | } |
31 | } |
| 25 | |
32 | |
|
|
33 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
|
|
34 | |
| 26 | # generate property mutators |
35 | # generate property mutators |
| 27 | sub prop_gen { |
36 | sub prop_gen { |
| 28 | my ($prefix, $class) = @_; |
37 | my ($prefix, $class) = @_; |
| 29 | |
38 | |
| 30 | no strict 'refs'; |
39 | no strict 'refs'; |
| … | |
… | |
| 40 | $_[0]->get_property ($type, $idx) |
49 | $_[0]->get_property ($type, $idx) |
| 41 | }; |
50 | }; |
| 42 | |
51 | |
| 43 | *{"$class\::set_$sub"} = sub { |
52 | *{"$class\::set_$sub"} = sub { |
| 44 | $_[0]->set_property ($type, $idx, $_[1]); |
53 | $_[0]->set_property ($type, $idx, $_[1]); |
| 45 | }; |
54 | } unless $ignore_set{$prop}; |
| 46 | } |
55 | } |
| 47 | } |
56 | } |
| 48 | |
57 | |
| 49 | # auto-generate most of the API |
58 | # auto-generate most of the API |
| 50 | |
59 | |
| … | |
… | |
| 55 | prop_gen MAP_PROP => "cf::map"; |
64 | prop_gen MAP_PROP => "cf::map"; |
| 56 | prop_gen ARCH_PROP => "cf::arch"; |
65 | prop_gen ARCH_PROP => "cf::arch"; |
| 57 | |
66 | |
| 58 | # guessed hierarchies |
67 | # guessed hierarchies |
| 59 | |
68 | |
| 60 | @cf::object::player::ISA = 'cf::object'; |
69 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 61 | @cf::object::map::ISA = 'cf::object'; |
70 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
|
|
71 | |
|
|
72 | # we bless all objects into derived classes to force a method lookup |
|
|
73 | # within the Safe compartment. |
|
|
74 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) { |
|
|
75 | no strict 'refs'; |
|
|
76 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
|
|
77 | } |
|
|
78 | |
|
|
79 | $Event::DIED = sub { |
|
|
80 | warn "error in event callback: @_"; |
|
|
81 | }; |
| 62 | |
82 | |
| 63 | my %ext_pkg; |
83 | my %ext_pkg; |
| 64 | my @exts; |
84 | my @exts; |
| 65 | my @hook; |
85 | my @hook; |
| 66 | my %command; |
86 | my %command; |
|
|
87 | my %extcmd; |
| 67 | |
88 | |
| 68 | sub inject_event { |
89 | sub inject_event { |
| 69 | my ($data) = @_; |
90 | my $extension = shift; |
|
|
91 | my $event_code = shift; |
| 70 | |
92 | |
| 71 | my $cb = $hook[$data->{event_code}]{$data->{extension}} |
93 | my $cb = $hook[$event_code]{$extension} |
| 72 | or return; |
94 | or return; |
| 73 | |
95 | |
| 74 | $cb->($data) |
96 | &$cb |
| 75 | } |
97 | } |
| 76 | |
98 | |
| 77 | sub inject_global_event { |
99 | sub inject_global_event { |
| 78 | my ($data) = @_; |
100 | my $event = shift; |
| 79 | |
101 | |
| 80 | my $cb = $hook[$data->{event_code}] |
102 | my $cb = $hook[$event] |
| 81 | or return; |
103 | or return; |
| 82 | |
104 | |
| 83 | $_->($data) for values %$cb; |
105 | List::Util::max map &$_, values %$cb |
| 84 | |
|
|
| 85 | () |
|
|
| 86 | } |
106 | } |
| 87 | |
107 | |
| 88 | sub inject_command { |
108 | sub inject_command { |
| 89 | my ($name, $obj, $params) = @_; |
109 | my ($name, $obj, $params) = @_; |
| 90 | |
110 | |
| … | |
… | |
| 97 | |
117 | |
| 98 | sub register_command { |
118 | sub register_command { |
| 99 | my ($name, $time, $cb) = @_; |
119 | my ($name, $time, $cb) = @_; |
| 100 | |
120 | |
| 101 | my $caller = caller; |
121 | my $caller = caller; |
| 102 | |
|
|
| 103 | warn "registering command '$name/$time' to '$caller'"; |
122 | #warn "registering command '$name/$time' to '$caller'"; |
| 104 | |
123 | |
| 105 | push @{ $command{$name} }, [$time, $cb, $caller]; |
124 | push @{ $command{$name} }, [$time, $cb, $caller]; |
| 106 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
125 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
126 | } |
|
|
127 | |
|
|
128 | sub register_extcmd { |
|
|
129 | my ($name, $cb) = @_; |
|
|
130 | |
|
|
131 | my $caller = caller; |
|
|
132 | #warn "registering extcmd '$name' to '$caller'"; |
|
|
133 | |
|
|
134 | $extcmd{$name} = [$cb, $caller]; |
|
|
135 | } |
|
|
136 | |
|
|
137 | sub register { |
|
|
138 | my ($base, $pkg) = @_; |
|
|
139 | |
|
|
140 | for my $idx (0 .. $#EVENT) { |
|
|
141 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
|
|
142 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
|
|
143 | $hook[$idx]{$base} = $ref; |
|
|
144 | } |
|
|
145 | } |
| 107 | } |
146 | } |
| 108 | |
147 | |
| 109 | sub load_extension { |
148 | sub load_extension { |
| 110 | my ($path) = @_; |
149 | my ($path) = @_; |
| 111 | |
150 | |
| … | |
… | |
| 130 | or die "$path: $@"; |
169 | or die "$path: $@"; |
| 131 | |
170 | |
| 132 | push @exts, $pkg; |
171 | push @exts, $pkg; |
| 133 | $ext_pkg{$base} = $pkg; |
172 | $ext_pkg{$base} = $pkg; |
| 134 | |
173 | |
| 135 | no strict 'refs'; |
174 | # no strict 'refs'; |
| 136 | |
|
|
| 137 | # @{"$pkg\::ISA"} = cf::ext::; |
175 | # @{"$pkg\::ISA"} = ext::; |
| 138 | |
176 | |
| 139 | for my $idx (0 .. $#EVENT) { |
177 | register $base, $pkg; |
| 140 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
|
|
| 141 | warn "registering $EVENT[$idx] hook\n"; |
|
|
| 142 | $hook[$idx]{$base} = $ref; |
|
|
| 143 | } |
|
|
| 144 | } |
|
|
| 145 | } |
178 | } |
| 146 | |
179 | |
| 147 | sub unload_extension { |
180 | sub unload_extension { |
| 148 | my ($pkg) = @_; |
181 | my ($pkg) = @_; |
| 149 | |
182 | |
| 150 | warn "removing extension $pkg\n"; |
183 | warn "removing extension $pkg\n"; |
|
|
184 | |
|
|
185 | if (my $cb = $pkg->can ("on_unload")) { |
|
|
186 | $cb->($pkg); |
|
|
187 | } |
| 151 | |
188 | |
| 152 | # remove hooks |
189 | # remove hooks |
| 153 | for my $idx (0 .. $#EVENT) { |
190 | for my $idx (0 .. $#EVENT) { |
| 154 | delete $hook[$idx]{$pkg}; |
191 | delete $hook[$idx]{$pkg}; |
| 155 | } |
192 | } |
| … | |
… | |
| 165 | delete $command{$name}; |
202 | delete $command{$name}; |
| 166 | delete $COMMAND{"$name\000"}; |
203 | delete $COMMAND{"$name\000"}; |
| 167 | } |
204 | } |
| 168 | } |
205 | } |
| 169 | |
206 | |
|
|
207 | # remove extcmds |
|
|
208 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
|
|
209 | delete $extcmd{$name}; |
|
|
210 | } |
|
|
211 | |
| 170 | Symbol::delete_package $pkg; |
212 | Symbol::delete_package $pkg; |
| 171 | } |
213 | } |
| 172 | |
214 | |
| 173 | sub load_extensions { |
215 | sub load_extensions { |
| 174 | my $LIBDIR = maps_directory "perl"; |
216 | my $LIBDIR = maps_directory "perl"; |
| … | |
… | |
| 188 | if ($who->flag (FLAG_WIZ)) { |
230 | if ($who->flag (FLAG_WIZ)) { |
| 189 | $who->message ("reloading..."); |
231 | $who->message ("reloading..."); |
| 190 | |
232 | |
| 191 | warn "reloading...\n"; |
233 | warn "reloading...\n"; |
| 192 | eval { |
234 | eval { |
|
|
235 | $_->cancel for Event::all_watchers; |
|
|
236 | |
| 193 | unload_extension $_ for @exts; |
237 | unload_extension $_ for @exts; |
| 194 | delete $INC{"cf.pm"}; |
238 | delete $INC{"cf.pm"}; |
| 195 | |
239 | |
| 196 | # don't, removes xs symbols, too |
240 | # don't, removes xs symbols, too |
| 197 | #Symbol::delete_package $pkg; |
241 | #Symbol::delete_package __PACKAGE__; |
| 198 | |
242 | |
| 199 | require cf; |
243 | require cf; |
| 200 | }; |
244 | }; |
| 201 | warn $@ if $@; |
245 | warn $@ if $@; |
| 202 | $who->message ($@) if $@; |
246 | $who->message ($@) if $@; |
| … | |
… | |
| 206 | } else { |
250 | } else { |
| 207 | $who->message ("Intruder Alert!"); |
251 | $who->message ("Intruder Alert!"); |
| 208 | } |
252 | } |
| 209 | }; |
253 | }; |
| 210 | |
254 | |
|
|
255 | ############################################################################# |
|
|
256 | # extcmd framework, basically convert ext <id> <pkg> arg1 args |
|
|
257 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
258 | |
|
|
259 | sub on_extcmd { |
|
|
260 | my ($pl, $buf) = @_; |
|
|
261 | |
|
|
262 | my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
|
|
263 | |
|
|
264 | $extcmd{$type}[0]->($pl, $buf) |
|
|
265 | if $extcmd{$type}; |
|
|
266 | } |
|
|
267 | |
|
|
268 | ############################################################################# |
|
|
269 | # load/save/clean perl data associated with a map |
|
|
270 | |
|
|
271 | *on_mapclean = sub { |
|
|
272 | my ($map) = @_; |
|
|
273 | |
|
|
274 | my $path = $map->tmpname; |
|
|
275 | defined $path or return; |
|
|
276 | |
|
|
277 | unlink "$path.cfperl"; |
|
|
278 | }; |
|
|
279 | |
|
|
280 | *on_mapin = |
|
|
281 | *on_mapload = sub { |
|
|
282 | my ($map) = @_; |
|
|
283 | |
|
|
284 | my $path = $map->tmpname; |
|
|
285 | $path = $map->path unless defined $path; |
|
|
286 | |
|
|
287 | open my $fh, "<:raw", "$path.cfperl" |
|
|
288 | or return; # no perl data |
|
|
289 | |
|
|
290 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
291 | |
|
|
292 | $data->{version} <= 1 |
|
|
293 | or return; # too new |
|
|
294 | |
|
|
295 | $map->_set_obs ($data->{obs}); |
|
|
296 | }; |
|
|
297 | |
|
|
298 | *on_mapout = sub { |
|
|
299 | my ($map) = @_; |
|
|
300 | |
|
|
301 | my $path = $map->tmpname; |
|
|
302 | $path = $map->path unless defined $path; |
|
|
303 | |
|
|
304 | my $obs = $map->_get_obs; |
|
|
305 | |
|
|
306 | if (defined $obs) { |
|
|
307 | open my $fh, ">:raw", "$path.cfperl" |
|
|
308 | or die "$path.cfperl: $!"; |
|
|
309 | |
|
|
310 | stat $path; |
|
|
311 | |
|
|
312 | print $fh Storable::nfreeze { |
|
|
313 | size => (stat _)[7], |
|
|
314 | time => (stat _)[9], |
|
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315 | version => 1, |
|
|
316 | obs => $obs, |
|
|
317 | }; |
|
|
318 | |
|
|
319 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
|
|
320 | } else { |
|
|
321 | unlink "$path.cfperl"; |
|
|
322 | } |
|
|
323 | }; |
|
|
324 | |
|
|
325 | ############################################################################# |
|
|
326 | # load/save perl data associated with player->ob objects |
|
|
327 | |
|
|
328 | *on_player_load = sub { |
|
|
329 | my ($ob, $path) = @_; |
|
|
330 | |
|
|
331 | if (open my $fh, "<:raw", "$path.cfperl") { |
|
|
332 | |
|
|
333 | #d##TODO#remove |
|
|
334 | |
|
|
335 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
336 | |
|
|
337 | $data->{version} <= 1 |
|
|
338 | or return; # too new |
|
|
339 | |
|
|
340 | %$ob = %{$data->{ob}}; |
|
|
341 | return; |
|
|
342 | } |
|
|
343 | |
|
|
344 | for my $o ($ob, $ob->inv) { |
|
|
345 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
|
346 | $o->set_ob_key_value ("_perl_data"); |
|
|
347 | |
|
|
348 | %$o = %{ Storable::thaw pack "H*", $value }; |
|
|
349 | } |
|
|
350 | } |
|
|
351 | }; |
|
|
352 | |
|
|
353 | *on_player_save = sub { |
|
|
354 | my ($ob, $path) = @_; |
|
|
355 | |
|
|
356 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
|
|
357 | for grep %$_, $ob, $ob->inv; |
|
|
358 | |
|
|
359 | unlink "$path.cfperl";#d##TODO#remove |
|
|
360 | }; |
|
|
361 | |
|
|
362 | ############################################################################# |
|
|
363 | # core extensions - in perl |
|
|
364 | |
|
|
365 | =item cf::player::exists $login |
|
|
366 | |
|
|
367 | Returns true when the given account exists. |
|
|
368 | |
|
|
369 | =cut |
|
|
370 | |
|
|
371 | sub cf::player::exists($) { |
|
|
372 | cf::player::find $_[0] |
|
|
373 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
374 | } |
|
|
375 | |
|
|
376 | # rough implementation of a future "reply" method that works |
|
|
377 | # with dialog boxes. |
|
|
378 | sub cf::object::player::reply($$$;$) { |
|
|
379 | my ($self, $npc, $msg, $flags) = @_; |
|
|
380 | |
|
|
381 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
|
382 | |
|
|
383 | if ($self->{record_replies}) { |
|
|
384 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
385 | } else { |
|
|
386 | $msg = $npc->name . " says: $msg" if $npc; |
|
|
387 | $self->message ($msg, $flags); |
|
|
388 | } |
|
|
389 | } |
|
|
390 | |
|
|
391 | ############################################################################# |
|
|
392 | # map scripting support |
|
|
393 | |
|
|
394 | our $safe = new Safe "ext"; |
|
|
395 | our $safe_hole = new Safe::Hole; |
|
|
396 | |
|
|
397 | $SIG{FPE} = 'IGNORE'; |
|
|
398 | |
|
|
399 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
|
400 | |
|
|
401 | # here we export the classes and methods available to script code |
|
|
402 | |
|
|
403 | for ( |
|
|
404 | ["cf::object" => qw(contr)], |
|
|
405 | ["cf::object::player" => qw(player)], |
|
|
406 | ["cf::player" => qw(peaceful)], |
|
|
407 | ) { |
|
|
408 | no strict 'refs'; |
|
|
409 | my ($pkg, @funs) = @$_; |
|
|
410 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
|
411 | for @funs; |
|
|
412 | } |
|
|
413 | |
|
|
414 | sub safe_eval($;@) { |
|
|
415 | my ($code, %vars) = @_; |
|
|
416 | |
|
|
417 | my $qcode = $code; |
|
|
418 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
419 | $qcode =~ s/\n/\\n/g; |
|
|
420 | |
|
|
421 | local $_; |
|
|
422 | local @ext::cf::_safe_eval_args = values %vars; |
|
|
423 | |
|
|
424 | $code = |
|
|
425 | "do {\n" |
|
|
426 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
|
427 | . "#line 0 \"{$qcode}\"\n" |
|
|
428 | . $code |
|
|
429 | . "\n}" |
|
|
430 | ; |
|
|
431 | |
|
|
432 | sub_generation_inc; |
|
|
433 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
|
434 | sub_generation_inc; |
|
|
435 | |
|
|
436 | wantarray ? @res : $res[0] |
|
|
437 | } |
|
|
438 | |
|
|
439 | sub register_script_function { |
|
|
440 | my ($fun, $cb) = @_; |
|
|
441 | |
|
|
442 | no strict 'refs'; |
|
|
443 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
|
444 | } |
|
|
445 | |
|
|
446 | ############################################################################# |
|
|
447 | # initialisation |
|
|
448 | |
|
|
449 | register "<global>", __PACKAGE__; |
|
|
450 | |
|
|
451 | unshift @INC, maps_directory "perl"; |
|
|
452 | |
| 211 | load_extensions; |
453 | load_extensions; |
| 212 | |
454 | |
| 213 | 1 |
455 | 1 |
| 214 | |
456 | |
