ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.22 by root, Wed Jul 19 08:50:42 2006 UTC vs.
Revision 1.27 by root, Fri Jul 21 00:51:39 2006 UTC

1package cf; 1package cf;
2 2
3use Symbol; 3use Symbol;
4use List::Util; 4use List::Util;
5use Storable; 5use Storable;
6use Opcode;
7use Safe;
8use Safe::Hole;
6 9
7use Event; 10use Event;
8$Event::Eval = 1; # no idea why this is required, but it is 11$Event::Eval = 1; # no idea why this is required, but it is
9 12
10use strict; 13use strict;
11 14
12our %COMMAND; 15our %COMMAND;
13our @EVENT; 16our @EVENT;
14our %PROP_TYPE; 17our %PROP_TYPE;
15our %PROP_IDX; 18our %PROP_IDX;
19our $LIBDIR = maps_directory "perl";
16 20
17BEGIN { 21BEGIN {
18 @EVENT = map lc, @EVENT; 22 @EVENT = map lc, @EVENT;
19 23
20 *CORE::GLOBAL::warn = sub { 24 *CORE::GLOBAL::warn = sub {
… …
61prop_gen MAP_PROP => "cf::map"; 65prop_gen MAP_PROP => "cf::map";
62prop_gen ARCH_PROP => "cf::arch"; 66prop_gen ARCH_PROP => "cf::arch";
63 67
64# guessed hierarchies 68# guessed hierarchies
65 69
66@cf::object::player::ISA = 'cf::object'; 70@ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
67@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.
75for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) {
76 no strict 'refs';
77 @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
78}
68 79
69$Event::DIED = sub { 80$Event::DIED = sub {
70 warn "error in event callback: @_"; 81 warn "error in event callback: @_";
71}; 82};
72 83
… …
160 171
161 push @exts, $pkg; 172 push @exts, $pkg;
162 $ext_pkg{$base} = $pkg; 173 $ext_pkg{$base} = $pkg;
163 174
164# no strict 'refs'; 175# no strict 'refs';
165# @{"$pkg\::ISA"} = cf::ext::; 176# @{"$pkg\::ISA"} = ext::;
166 177
167 register $base, $pkg; 178 register $base, $pkg;
168} 179}
169 180
170sub unload_extension { 181sub unload_extension {
… …
220 if ($who->flag (FLAG_WIZ)) { 231 if ($who->flag (FLAG_WIZ)) {
221 $who->message ("reloading..."); 232 $who->message ("reloading...");
222 233
223 warn "reloading...\n"; 234 warn "reloading...\n";
224 eval { 235 eval {
236 # 1. cancel all watchers
225 $_->cancel for Event::all_watchers; 237 $_->cancel for Event::all_watchers;
226 238
239 # 2. unload all extensions
240 for (@exts) {
241 $who->message ("unloading <$_>");
227 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"
228 delete $INC{"cf.pm"}; 270 delete $INC{"cf.pm"};
229 271
230 # don't, removes xs symbols, too 272 # don't, removes xs symbols, too
231 #Symbol::delete_package __PACKAGE__; 273 #Symbol::delete_package __PACKAGE__;
232 274
275 # 7. reload cf.pm
276 $who->message ("reloading cf.pm");
233 require cf; 277 require cf;
234 }; 278 };
235 warn $@ if $@; 279 warn $@ if $@;
236 $who->message ($@) if $@; 280 $who->message ($@) if $@;
237 warn "reloaded\n"; 281 warn "reloaded\n";
… …
316# load/save perl data associated with player->ob objects 360# load/save perl data associated with player->ob objects
317 361
318*on_player_load = sub { 362*on_player_load = sub {
319 my ($ob, $path) = @_; 363 my ($ob, $path) = @_;
320 364
321 if (open my $fh, "<:raw", "$path.cfperl") {
322
323 #d##TODO#remove
324
325 my $data = Storable::thaw do { local $/; <$fh> };
326
327 $data->{version} <= 1
328 or return; # too new
329
330 %$ob = %{$data->{ob}};
331 return;
332 }
333
334 for my $o ($ob, $ob->inv) { 365 for my $o ($ob, $ob->inv) {
335 if (my $value = $o->get_ob_key_value ("_perl_data")) { 366 if (my $value = $o->get_ob_key_value ("_perl_data")) {
336 $o->set_ob_key_value ("_perl_data"); 367 $o->set_ob_key_value ("_perl_data");
337 368
338 %$o = %{ Storable::thaw pack "H*", $value }; 369 %$o = %{ Storable::thaw pack "H*", $value };
… …
343*on_player_save = sub { 374*on_player_save = sub {
344 my ($ob, $path) = @_; 375 my ($ob, $path) = @_;
345 376
346 $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) 377 $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)
347 for grep %$_, $ob, $ob->inv; 378 for grep %$_, $ob, $ob->inv;
348
349 unlink "$path.cfperl";#d##TODO#remove
350}; 379};
351 380
352############################################################################# 381#############################################################################
353# core extensions - in perl 382# core extensions - in perl
383
384=item cf::player::exists $login
385
386Returns true when the given account exists.
387
388=cut
389
390sub cf::player::exists($) {
391 cf::player::find $_[0]
392 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
393}
354 394
355# rough implementation of a future "reply" method that works 395# rough implementation of a future "reply" method that works
356# with dialog boxes. 396# with dialog boxes.
357sub cf::object::player::reply($$;$) { 397sub cf::object::player::reply($$$;$) {
358 my ($self, $msg, $flags) = @_; 398 my ($self, $npc, $msg, $flags) = @_;
359 399
360 $flags = cf::NDI_WHITE unless @_ >= 3; 400 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
361 401
402 if ($self->{record_replies}) {
403 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
404 } else {
405 $msg = $npc->name . " says: $msg" if $npc;
362 $self->message ($msg, $flags); 406 $self->message ($msg, $flags);
407 }
408}
409
410#############################################################################
411# map scripting support
412
413our $safe = new Safe "ext";
414our $safe_hole = new Safe::Hole;
415
416$SIG{FPE} = 'IGNORE';
417
418$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
419
420# here we export the classes and methods available to script code
421
422for (
423 ["cf::object" => qw(contr pay_amount pay_player)],
424 ["cf::object::player" => qw(player)],
425 ["cf::player" => qw(peaceful)],
426) {
427 no strict 'refs';
428 my ($pkg, @funs) = @$_;
429 *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
430 for @funs;
431}
432
433sub safe_eval($;@) {
434 my ($code, %vars) = @_;
435
436 my $qcode = $code;
437 $qcode =~ s/"/‟/g; # not allowed in #line filenames
438 $qcode =~ s/\n/\\n/g;
439
440 local $_;
441 local @ext::cf::_safe_eval_args = values %vars;
442
443 $code =
444 "do {\n"
445 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
446 . "#line 0 \"{$qcode}\"\n"
447 . $code
448 . "\n}"
449 ;
450
451 sub_generation_inc;
452 my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code);
453 sub_generation_inc;
454
455 wantarray ? @res : $res[0]
456}
457
458sub register_script_function {
459 my ($fun, $cb) = @_;
460
461 no strict 'refs';
462 *{"ext::$fun"} = $safe_hole->wrap ($cb);
363} 463}
364 464
365############################################################################# 465#############################################################################
366# initialisation 466# initialisation
367 467
368register "<global>", __PACKAGE__; 468register "<global>", __PACKAGE__;
369 469
370unshift @INC, maps_directory "perl"; 470unshift @INC, $LIBDIR;
371 471
372load_extensions; 472load_extensions;
373 473
3741 4741
375 475

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines