| 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; |
| … | |
… | |
| 61 | # guessed hierarchies |
67 | # guessed hierarchies |
| 62 | |
68 | |
| 63 | @cf::object::player::ISA = 'cf::object'; |
69 | @cf::object::player::ISA = 'cf::object'; |
| 64 | @cf::object::map::ISA = 'cf::object'; |
70 | @cf::object::map::ISA = 'cf::object'; |
| 65 | |
71 | |
|
|
72 | $Event::DIED = sub { |
|
|
73 | warn "error in event callback: @_"; |
|
|
74 | }; |
|
|
75 | |
| 66 | my %ext_pkg; |
76 | my %ext_pkg; |
| 67 | my @exts; |
77 | my @exts; |
| 68 | my @hook; |
78 | my @hook; |
| 69 | my %command; |
79 | my %command; |
|
|
80 | my %extcmd; |
| 70 | |
81 | |
| 71 | sub inject_event { |
82 | sub inject_event { |
| 72 | my ($data) = @_; |
83 | my $extension = shift; |
|
|
84 | my $event_code = shift; |
| 73 | |
85 | |
| 74 | my $cb = $hook[$data->{event_code}]{$data->{extension}} |
86 | my $cb = $hook[$event_code]{$extension} |
| 75 | or return; |
87 | or return; |
| 76 | |
88 | |
| 77 | $cb->($data) |
89 | &$cb |
| 78 | } |
90 | } |
| 79 | |
91 | |
| 80 | sub inject_global_event { |
92 | sub inject_global_event { |
| 81 | my ($data) = @_; |
93 | my $event = shift; |
| 82 | |
94 | |
| 83 | my $cb = $hook[$data->{event_code}] |
95 | my $cb = $hook[$event] |
| 84 | or return; |
96 | or return; |
| 85 | |
97 | |
| 86 | $_->($data) for values %$cb; |
98 | List::Util::max map &$_, values %$cb |
| 87 | |
|
|
| 88 | () |
|
|
| 89 | } |
99 | } |
| 90 | |
100 | |
| 91 | sub inject_command { |
101 | sub inject_command { |
| 92 | my ($name, $obj, $params) = @_; |
102 | my ($name, $obj, $params) = @_; |
| 93 | |
103 | |
| … | |
… | |
| 100 | |
110 | |
| 101 | sub register_command { |
111 | sub register_command { |
| 102 | my ($name, $time, $cb) = @_; |
112 | my ($name, $time, $cb) = @_; |
| 103 | |
113 | |
| 104 | my $caller = caller; |
114 | my $caller = caller; |
| 105 | |
|
|
| 106 | warn "registering command '$name/$time' to '$caller'"; |
115 | #warn "registering command '$name/$time' to '$caller'"; |
| 107 | |
116 | |
| 108 | push @{ $command{$name} }, [$time, $cb, $caller]; |
117 | push @{ $command{$name} }, [$time, $cb, $caller]; |
| 109 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
118 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
| 110 | } |
119 | } |
| 111 | |
120 | |
|
|
121 | sub register_extcmd { |
|
|
122 | my ($name, $cb) = @_; |
|
|
123 | |
|
|
124 | my $caller = caller; |
|
|
125 | #warn "registering extcmd '$name' to '$caller'"; |
|
|
126 | |
|
|
127 | $extcmd{$name} = [$cb, $caller]; |
|
|
128 | } |
|
|
129 | |
| 112 | sub register { |
130 | sub register { |
| 113 | my ($base, $pkg) = @_; |
131 | my ($base, $pkg) = @_; |
| 114 | |
132 | |
| 115 | for my $idx (0 .. $#EVENT) { |
133 | for my $idx (0 .. $#EVENT) { |
| 116 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
134 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
| 117 | warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
135 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
| 118 | $hook[$idx]{$base} = $ref; |
136 | $hook[$idx]{$base} = $ref; |
| 119 | } |
137 | } |
| 120 | } |
138 | } |
| 121 | } |
139 | } |
| 122 | |
140 | |
| … | |
… | |
| 145 | |
163 | |
| 146 | push @exts, $pkg; |
164 | push @exts, $pkg; |
| 147 | $ext_pkg{$base} = $pkg; |
165 | $ext_pkg{$base} = $pkg; |
| 148 | |
166 | |
| 149 | # no strict 'refs'; |
167 | # no strict 'refs'; |
| 150 | # @{"$pkg\::ISA"} = cf::ext::; |
168 | # @{"$pkg\::ISA"} = ext::; |
| 151 | |
169 | |
| 152 | register $base, $pkg; |
170 | register $base, $pkg; |
| 153 | } |
171 | } |
| 154 | |
172 | |
| 155 | sub unload_extension { |
173 | sub unload_extension { |
| 156 | my ($pkg) = @_; |
174 | my ($pkg) = @_; |
| 157 | |
175 | |
| 158 | warn "removing extension $pkg\n"; |
176 | warn "removing extension $pkg\n"; |
|
|
177 | |
|
|
178 | if (my $cb = $pkg->can ("on_unload")) { |
|
|
179 | $cb->($pkg); |
|
|
180 | } |
| 159 | |
181 | |
| 160 | # remove hooks |
182 | # remove hooks |
| 161 | for my $idx (0 .. $#EVENT) { |
183 | for my $idx (0 .. $#EVENT) { |
| 162 | delete $hook[$idx]{$pkg}; |
184 | delete $hook[$idx]{$pkg}; |
| 163 | } |
185 | } |
| … | |
… | |
| 173 | delete $command{$name}; |
195 | delete $command{$name}; |
| 174 | delete $COMMAND{"$name\000"}; |
196 | delete $COMMAND{"$name\000"}; |
| 175 | } |
197 | } |
| 176 | } |
198 | } |
| 177 | |
199 | |
|
|
200 | # remove extcmds |
|
|
201 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
|
|
202 | delete $extcmd{$name}; |
|
|
203 | } |
|
|
204 | |
| 178 | Symbol::delete_package $pkg; |
205 | Symbol::delete_package $pkg; |
| 179 | } |
206 | } |
| 180 | |
207 | |
| 181 | sub load_extensions { |
208 | sub load_extensions { |
| 182 | my $LIBDIR = maps_directory "perl"; |
209 | my $LIBDIR = maps_directory "perl"; |
| … | |
… | |
| 196 | if ($who->flag (FLAG_WIZ)) { |
223 | if ($who->flag (FLAG_WIZ)) { |
| 197 | $who->message ("reloading..."); |
224 | $who->message ("reloading..."); |
| 198 | |
225 | |
| 199 | warn "reloading...\n"; |
226 | warn "reloading...\n"; |
| 200 | eval { |
227 | eval { |
|
|
228 | $_->cancel for Event::all_watchers; |
|
|
229 | |
| 201 | unload_extension $_ for @exts; |
230 | unload_extension $_ for @exts; |
| 202 | delete $INC{"cf.pm"}; |
231 | delete $INC{"cf.pm"}; |
| 203 | |
232 | |
| 204 | # don't, removes xs symbols, too |
233 | # don't, removes xs symbols, too |
| 205 | #Symbol::delete_package $pkg; |
234 | #Symbol::delete_package __PACKAGE__; |
| 206 | |
235 | |
| 207 | require cf; |
236 | require cf; |
| 208 | }; |
237 | }; |
| 209 | warn $@ if $@; |
238 | warn $@ if $@; |
| 210 | $who->message ($@) if $@; |
239 | $who->message ($@) if $@; |
| … | |
… | |
| 215 | $who->message ("Intruder Alert!"); |
244 | $who->message ("Intruder Alert!"); |
| 216 | } |
245 | } |
| 217 | }; |
246 | }; |
| 218 | |
247 | |
| 219 | ############################################################################# |
248 | ############################################################################# |
|
|
249 | # extcmd framework, basically convert ext <id> <pkg> arg1 args |
|
|
250 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
251 | |
|
|
252 | sub on_extcmd { |
|
|
253 | my ($pl, $buf) = @_; |
|
|
254 | |
|
|
255 | my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
|
|
256 | |
|
|
257 | $extcmd{$type}[0]->($pl, $buf) |
|
|
258 | if $extcmd{$type}; |
|
|
259 | } |
|
|
260 | |
|
|
261 | ############################################################################# |
| 220 | # load/save/clean perl data associated with a map |
262 | # load/save/clean perl data associated with a map |
| 221 | |
263 | |
| 222 | *on_mapclean = sub { |
264 | *on_mapclean = sub { |
| 223 | my $map = shift->{map}; |
265 | my ($map) = @_; |
| 224 | |
266 | |
| 225 | my $path = $map->tmpname; |
267 | my $path = $map->tmpname; |
| 226 | defined $path or return; |
268 | defined $path or return; |
| 227 | |
269 | |
| 228 | unlink "$path.cfperl"; |
270 | unlink "$path.cfperl"; |
| 229 | }; |
271 | }; |
| 230 | |
272 | |
| 231 | *on_mapin = |
273 | *on_mapin = |
| 232 | *on_mapload = sub { |
274 | *on_mapload = sub { |
| 233 | my $map = shift->{map}; |
275 | my ($map) = @_; |
| 234 | |
276 | |
| 235 | my $path = $map->tmpname; |
277 | my $path = $map->tmpname; |
| 236 | $path = $map->path unless defined $path; |
278 | $path = $map->path unless defined $path; |
| 237 | |
279 | |
| 238 | open my $fh, "<:raw", "$path.cfperl" |
280 | open my $fh, "<:raw", "$path.cfperl" |
| … | |
… | |
| 245 | |
287 | |
| 246 | $map->_set_obs ($data->{obs}); |
288 | $map->_set_obs ($data->{obs}); |
| 247 | }; |
289 | }; |
| 248 | |
290 | |
| 249 | *on_mapout = sub { |
291 | *on_mapout = sub { |
| 250 | my $map = shift->{map}; |
292 | my ($map) = @_; |
| 251 | |
293 | |
| 252 | my $path = $map->tmpname; |
294 | my $path = $map->tmpname; |
| 253 | $path = $map->path unless defined $path; |
295 | $path = $map->path unless defined $path; |
| 254 | |
296 | |
| 255 | my $obs = $map->_get_obs; |
297 | my $obs = $map->_get_obs; |
| … | |
… | |
| 275 | |
317 | |
| 276 | ############################################################################# |
318 | ############################################################################# |
| 277 | # load/save perl data associated with player->ob objects |
319 | # load/save perl data associated with player->ob objects |
| 278 | |
320 | |
| 279 | *on_player_load = sub { |
321 | *on_player_load = sub { |
| 280 | my ($event) = @_; |
322 | my ($ob, $path) = @_; |
| 281 | my $path = $event->{message}; |
|
|
| 282 | my $ob = $event->{who}; |
|
|
| 283 | |
323 | |
| 284 | open my $fh, "<:raw", "$path.cfperl" |
324 | if (open my $fh, "<:raw", "$path.cfperl") { |
| 285 | or return; # no perl data |
|
|
| 286 | |
325 | |
|
|
326 | #d##TODO#remove |
|
|
327 | |
| 287 | my $data = Storable::thaw do { local $/; <$fh> }; |
328 | my $data = Storable::thaw do { local $/; <$fh> }; |
| 288 | |
329 | |
| 289 | $data->{version} <= 1 |
330 | $data->{version} <= 1 |
| 290 | or return; # too new |
331 | or return; # too new |
| 291 | |
332 | |
| 292 | %$ob = %{$data->{ob}}; |
333 | %$ob = %{$data->{ob}}; |
|
|
334 | return; |
|
|
335 | } |
|
|
336 | |
|
|
337 | for my $o ($ob, $ob->inv) { |
|
|
338 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
|
339 | $o->set_ob_key_value ("_perl_data"); |
|
|
340 | |
|
|
341 | %$o = %{ Storable::thaw pack "H*", $value }; |
|
|
342 | } |
|
|
343 | } |
| 293 | }; |
344 | }; |
| 294 | |
345 | |
| 295 | *on_player_save = sub { |
346 | *on_player_save = sub { |
| 296 | my ($event) = @_; |
347 | my ($ob, $path) = @_; |
| 297 | my $path = $event->{message}; |
|
|
| 298 | my $ob = $event->{who}; |
|
|
| 299 | |
348 | |
| 300 | if (keys %$ob) { |
349 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
| 301 | open my $fh, ">:raw", "$path.cfperl" |
350 | for grep %$_, $ob, $ob->inv; |
| 302 | or die "$path.cfperl: $!"; |
|
|
| 303 | |
351 | |
| 304 | stat $path; |
352 | unlink "$path.cfperl";#d##TODO#remove |
|
|
353 | }; |
| 305 | |
354 | |
| 306 | print $fh Storable::nfreeze { |
355 | ############################################################################# |
| 307 | size => (stat _)[7], |
356 | # core extensions - in perl |
| 308 | time => (stat _)[9], |
|
|
| 309 | version => 1, |
|
|
| 310 | ob => $ob, |
|
|
| 311 | }; |
|
|
| 312 | |
357 | |
| 313 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
358 | =item cf::player::exists $login |
| 314 | } else { |
359 | |
| 315 | unlink "$path.cfperl"; |
360 | Returns true when the given account exists. |
|
|
361 | |
|
|
362 | =cut |
|
|
363 | |
|
|
364 | sub cf::player::exists($) { |
|
|
365 | cf::player::find $_[0] |
|
|
366 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
367 | } |
|
|
368 | |
|
|
369 | # rough implementation of a future "reply" method that works |
|
|
370 | # with dialog boxes. |
|
|
371 | sub cf::object::player::reply($$$;$) { |
|
|
372 | my ($self, $npc, $msg, $flags) = @_; |
|
|
373 | |
|
|
374 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
|
375 | |
|
|
376 | $msg = $npc->name . " says: $msg" if $npc; |
|
|
377 | |
|
|
378 | $self->message ($msg, $flags); |
|
|
379 | } |
|
|
380 | |
|
|
381 | ############################################################################# |
|
|
382 | # map scripting support |
|
|
383 | |
|
|
384 | our $safe = new Safe "ext"; |
|
|
385 | our $safe_hole = new Safe::Hole; |
|
|
386 | |
|
|
387 | $SIG{FPE} = 'IGNORE'; |
|
|
388 | |
|
|
389 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
|
390 | |
|
|
391 | # here we would export the classes and methods available to script code |
|
|
392 | #@ext::cf::object::player::ISA = @cf::object::player::ISA; |
|
|
393 | #@ext::cf::object::map::ISA = @cf::object::map::ISA; |
|
|
394 | |
|
|
395 | sub safe_eval($;@) { |
|
|
396 | my ($code, %vars) = @_; |
|
|
397 | |
|
|
398 | my $qcode = $code; |
|
|
399 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
400 | $qcode =~ s/\n/\\n/g; |
|
|
401 | |
|
|
402 | local $_; |
|
|
403 | local @ext::cf::_safe_eval_args = values %vars; |
|
|
404 | |
|
|
405 | $safe->reval ( |
|
|
406 | "do {\n" |
|
|
407 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
|
408 | . "#line 0 \"{$qcode}\"\n" |
|
|
409 | . $code |
|
|
410 | . "\n}" |
| 316 | } |
411 | ) |
| 317 | }; |
412 | } |
|
|
413 | |
|
|
414 | sub register_script_function { |
|
|
415 | my ($fun, $cb) = @_; |
|
|
416 | |
|
|
417 | no strict 'refs'; |
|
|
418 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
|
419 | } |
|
|
420 | |
|
|
421 | ############################################################################# |
|
|
422 | # initialisation |
| 318 | |
423 | |
| 319 | register "<global>", __PACKAGE__; |
424 | register "<global>", __PACKAGE__; |
| 320 | |
425 | |
|
|
426 | unshift @INC, maps_directory "perl"; |
|
|
427 | |
| 321 | load_extensions; |
428 | load_extensions; |
| 322 | |
429 | |
| 323 | 1 |
430 | 1 |
| 324 | |
431 | |
