1 |
package cf; |
2 |
|
3 |
use Symbol; |
4 |
use List::Util; |
5 |
use Storable; |
6 |
use Opcode; |
7 |
use Safe; |
8 |
use Safe::Hole; |
9 |
|
10 |
use Time::HiRes; |
11 |
use Event; |
12 |
$Event::Eval = 1; # no idea why this is required, but it is |
13 |
|
14 |
use strict; |
15 |
|
16 |
our %COMMAND = (); |
17 |
our @EVENT; |
18 |
our %PROP_TYPE; |
19 |
our %PROP_IDX; |
20 |
our $LIBDIR = maps_directory "perl"; |
21 |
|
22 |
our $TICK = MAX_TIME * 1e-6; |
23 |
our $TICK_WATCHER; |
24 |
our $NEXT_TICK; |
25 |
|
26 |
BEGIN { |
27 |
*CORE::GLOBAL::warn = sub { |
28 |
my $msg = join "", @_; |
29 |
$msg .= "\n" |
30 |
unless $msg =~ /\n$/; |
31 |
|
32 |
print STDERR "cfperl: $msg"; |
33 |
LOG llevError, "cfperl: $msg"; |
34 |
}; |
35 |
} |
36 |
|
37 |
my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
38 |
|
39 |
# generate property mutators |
40 |
sub prop_gen { |
41 |
my ($prefix, $class) = @_; |
42 |
|
43 |
no strict 'refs'; |
44 |
|
45 |
for my $prop (keys %PROP_TYPE) { |
46 |
$prop =~ /^\Q$prefix\E_(.*$)/ or next; |
47 |
my $sub = lc $1; |
48 |
|
49 |
my $type = $PROP_TYPE{$prop}; |
50 |
my $idx = $PROP_IDX {$prop}; |
51 |
|
52 |
*{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
53 |
$_[0]->get_property ($type, $idx) |
54 |
}; |
55 |
|
56 |
*{"$class\::set_$sub"} = sub { |
57 |
$_[0]->set_property ($type, $idx, $_[1]); |
58 |
} unless $ignore_set{$prop}; |
59 |
} |
60 |
} |
61 |
|
62 |
# auto-generate most of the API |
63 |
|
64 |
prop_gen OBJECT_PROP => "cf::object"; |
65 |
# CFAPI_OBJECT_ANIMATION? |
66 |
prop_gen PLAYER_PROP => "cf::object::player"; |
67 |
|
68 |
prop_gen MAP_PROP => "cf::map"; |
69 |
prop_gen ARCH_PROP => "cf::arch"; |
70 |
|
71 |
@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
72 |
|
73 |
# we bless all objects into (empty) derived classes to force a method lookup |
74 |
# within the Safe compartment. |
75 |
for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
76 |
no strict 'refs'; |
77 |
@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
78 |
} |
79 |
|
80 |
$Event::DIED = sub { |
81 |
warn "error in event callback: @_"; |
82 |
}; |
83 |
|
84 |
my %ext_pkg; |
85 |
my @exts; |
86 |
my @hook; |
87 |
my %command; |
88 |
my %extcmd; |
89 |
|
90 |
############################################################################# |
91 |
# utility functions |
92 |
|
93 |
use JSON::Syck (); # TODO# replace by JSON::PC once working |
94 |
|
95 |
sub from_json($) { |
96 |
$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
97 |
JSON::Syck::Load $_[0] |
98 |
} |
99 |
|
100 |
sub to_json($) { |
101 |
$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
102 |
JSON::Syck::Dump $_[0] |
103 |
} |
104 |
|
105 |
############################################################################# |
106 |
# "new" plug-in system |
107 |
|
108 |
=item cf::object::attach ... # NYI |
109 |
|
110 |
=item cf::attach_global ... |
111 |
|
112 |
=item cf::attach_to_type $object_type, ... |
113 |
|
114 |
=item cf::attach_to_objects ... |
115 |
|
116 |
=item cf::attach_to_players ... |
117 |
|
118 |
=item cf::attach_to_maps ... |
119 |
|
120 |
=item cf:register_attachment $name, ... |
121 |
|
122 |
prio => $number, # lower is earlier |
123 |
on_xxx => \&cb, |
124 |
package => package::, |
125 |
|
126 |
=cut |
127 |
|
128 |
# the following variables are defined in .xs and must not be re-created |
129 |
our @CB_GLOBAL = (); # registry for all global events |
130 |
our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
131 |
our @CB_PLAYER = (); |
132 |
our @CB_TYPE = (); # registry for type (cf-object class) based events |
133 |
our @CB_MAP = (); |
134 |
|
135 |
my %attachment; |
136 |
|
137 |
sub _attach_cb($\%$$$) { |
138 |
my ($registry, $undo, $event, $prio, $cb) = @_; |
139 |
|
140 |
use sort 'stable'; |
141 |
|
142 |
$cb = [$prio, $cb]; |
143 |
|
144 |
@{$registry->[$event]} = sort |
145 |
{ $a->[0] cmp $b->[0] } |
146 |
@{$registry->[$event] || []}, $cb; |
147 |
|
148 |
push @{$undo->{cb}}, [$event, $cb]; |
149 |
} |
150 |
|
151 |
# attach handles attaching event callbacks |
152 |
# the only thing the caller has to do is pass the correct |
153 |
# registry (== where the callback attaches to). |
154 |
sub _attach(\@$@) { |
155 |
my ($registry, $klass, @arg) = @_; |
156 |
|
157 |
my $prio = 0; |
158 |
|
159 |
my %undo = ( |
160 |
registry => $registry, |
161 |
cb => [], |
162 |
); |
163 |
|
164 |
my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
165 |
|
166 |
while (@arg) { |
167 |
my $type = shift @arg; |
168 |
|
169 |
if ($type eq "prio") { |
170 |
$prio = shift @arg; |
171 |
|
172 |
} elsif ($type eq "package") { |
173 |
my $pkg = shift @arg; |
174 |
|
175 |
while (my ($name, $id) = each %cb_id) { |
176 |
if (my $cb = $pkg->can ($name)) { |
177 |
_attach_cb $registry, %undo, $id, $prio, $cb; |
178 |
} |
179 |
} |
180 |
|
181 |
} elsif (exists $cb_id{$type}) { |
182 |
_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg; |
183 |
|
184 |
} elsif (ref $type) { |
185 |
warn "attaching objects not supported, ignoring.\n"; |
186 |
|
187 |
} else { |
188 |
shift @arg; |
189 |
warn "attach argument '$type' not supported, ignoring.\n"; |
190 |
} |
191 |
} |
192 |
|
193 |
\%undo |
194 |
} |
195 |
|
196 |
sub cf::object::attach { |
197 |
die; |
198 |
} |
199 |
|
200 |
sub attach_global { |
201 |
_attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
202 |
} |
203 |
|
204 |
sub attach_to_type { |
205 |
my $type = shift; |
206 |
|
207 |
_attach @{$CB_TYPE[$type]}, KLASS_OBJECT, @_ |
208 |
} |
209 |
|
210 |
sub attach_to_objects { |
211 |
_attach @CB_OBJECT, KLASS_OBJECT, @_ |
212 |
} |
213 |
|
214 |
sub attach_to_players { |
215 |
_attach @CB_PLAYER, KLASS_PLAYER, @_ |
216 |
} |
217 |
|
218 |
sub attach_to_maps { |
219 |
_attach @CB_MAP, KLASS_MAP, @_ |
220 |
} |
221 |
|
222 |
sub register_attachment { |
223 |
my $name = shift; |
224 |
|
225 |
$attachment{$name} = [@_]; |
226 |
} |
227 |
|
228 |
our $override; |
229 |
our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
230 |
|
231 |
sub override { |
232 |
$override = 1; |
233 |
@invoke_results = (); |
234 |
} |
235 |
|
236 |
sub do_invoke { |
237 |
my $event = shift; |
238 |
my $callbacks = shift; |
239 |
|
240 |
@invoke_results = (); |
241 |
|
242 |
local $override; |
243 |
|
244 |
for (@$callbacks) { |
245 |
eval { &{$_->[1]} }; |
246 |
|
247 |
if ($@) { |
248 |
warn "$@"; |
249 |
warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
250 |
override; |
251 |
} |
252 |
|
253 |
return 1 if $override; |
254 |
} |
255 |
|
256 |
0 |
257 |
} |
258 |
|
259 |
############################################################################# |
260 |
# object support |
261 |
|
262 |
sub instantiate { |
263 |
my ($obj, $data) = @_; |
264 |
my $registry = $obj->registry; |
265 |
|
266 |
$data = from_json $data; |
267 |
|
268 |
for (@$data) { |
269 |
my ($pri, $name, @args) = @$_; |
270 |
|
271 |
if (my $attach = $attachment{$name}) { |
272 |
_attach @$registry, KLASS_OBJECT, @$attach; |
273 |
|
274 |
if (my $cb = delete $registry->[EVENT_OBJECT_INSTANTIATE]) { |
275 |
for (@$cb) { |
276 |
eval { $_->[1]->($obj, @args); }; |
277 |
if ($@) { |
278 |
warn "$@"; |
279 |
warn "... while processing '$name' instantiate with args <@args>\n"; |
280 |
} |
281 |
} |
282 |
} |
283 |
} else { |
284 |
warn "object uses attachment $name that is not available, postponing.\n"; |
285 |
} |
286 |
|
287 |
push @{$obj->{_attachment}}, $name; |
288 |
} |
289 |
} |
290 |
|
291 |
# basically do the same as instantiate, without calling instantiate |
292 |
sub reattach { |
293 |
my ($obj) = @_; |
294 |
my $registry = $obj->registry; |
295 |
|
296 |
warn "reattach<@_, $_>\n"; |
297 |
} |
298 |
|
299 |
attach_to_objects |
300 |
prio => -1000000, |
301 |
on_clone => sub { |
302 |
my ($src, $dst) = @_; |
303 |
|
304 |
@{$dst->registry} = @{$src->registry}; |
305 |
warn "registry clone ", join ":", @{$src->registry};#d# |
306 |
|
307 |
%$dst = %$src; |
308 |
|
309 |
$dst->{_attachment} = [@{ $src->{_attachment} }] |
310 |
if exists $src->{_attachment}; |
311 |
|
312 |
warn "clone<@_>\n";#d# |
313 |
}, |
314 |
; |
315 |
|
316 |
############################################################################# |
317 |
# old plug-in events |
318 |
|
319 |
sub inject_event { |
320 |
my $extension = shift; |
321 |
my $event_code = shift; |
322 |
|
323 |
my $cb = $hook[$event_code]{$extension} |
324 |
or return; |
325 |
|
326 |
&$cb |
327 |
} |
328 |
|
329 |
sub inject_global_event { |
330 |
my $event = shift; |
331 |
|
332 |
my $cb = $hook[$event] |
333 |
or return; |
334 |
|
335 |
List::Util::max map &$_, values %$cb |
336 |
} |
337 |
|
338 |
sub inject_command { |
339 |
my ($name, $obj, $params) = @_; |
340 |
|
341 |
for my $cmd (@{ $command{$name} }) { |
342 |
$cmd->[1]->($obj, $params); |
343 |
} |
344 |
|
345 |
-1 |
346 |
} |
347 |
|
348 |
sub register_command { |
349 |
my ($name, $time, $cb) = @_; |
350 |
|
351 |
my $caller = caller; |
352 |
#warn "registering command '$name/$time' to '$caller'"; |
353 |
|
354 |
push @{ $command{$name} }, [$time, $cb, $caller]; |
355 |
$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
356 |
} |
357 |
|
358 |
sub register_extcmd { |
359 |
my ($name, $cb) = @_; |
360 |
|
361 |
my $caller = caller; |
362 |
#warn "registering extcmd '$name' to '$caller'"; |
363 |
|
364 |
$extcmd{$name} = [$cb, $caller]; |
365 |
} |
366 |
|
367 |
sub register { |
368 |
my ($base, $pkg) = @_; |
369 |
|
370 |
#TODO |
371 |
} |
372 |
|
373 |
sub load_extension { |
374 |
my ($path) = @_; |
375 |
|
376 |
$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
377 |
my $base = $1; |
378 |
my $pkg = $1; |
379 |
$pkg =~ s/[^[:word:]]/_/g; |
380 |
$pkg = "ext::$pkg"; |
381 |
|
382 |
warn "loading '$path' into '$pkg'\n"; |
383 |
|
384 |
open my $fh, "<:utf8", $path |
385 |
or die "$path: $!"; |
386 |
|
387 |
my $source = |
388 |
"package $pkg; use strict; use utf8;\n" |
389 |
. "#line 1 \"$path\"\n{\n" |
390 |
. (do { local $/; <$fh> }) |
391 |
. "\n};\n1"; |
392 |
|
393 |
eval $source |
394 |
or die "$path: $@"; |
395 |
|
396 |
push @exts, $pkg; |
397 |
$ext_pkg{$base} = $pkg; |
398 |
|
399 |
# no strict 'refs'; |
400 |
# @{"$pkg\::ISA"} = ext::; |
401 |
|
402 |
register $base, $pkg; |
403 |
} |
404 |
|
405 |
sub unload_extension { |
406 |
my ($pkg) = @_; |
407 |
|
408 |
warn "removing extension $pkg\n"; |
409 |
|
410 |
# remove hooks |
411 |
#TODO |
412 |
# for my $idx (0 .. $#PLUGIN_EVENT) { |
413 |
# delete $hook[$idx]{$pkg}; |
414 |
# } |
415 |
|
416 |
# remove commands |
417 |
for my $name (keys %command) { |
418 |
my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
419 |
|
420 |
if (@cb) { |
421 |
$command{$name} = \@cb; |
422 |
$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
423 |
} else { |
424 |
delete $command{$name}; |
425 |
delete $COMMAND{"$name\000"}; |
426 |
} |
427 |
} |
428 |
|
429 |
# remove extcmds |
430 |
for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
431 |
delete $extcmd{$name}; |
432 |
} |
433 |
|
434 |
if (my $cb = $pkg->can ("unload")) { |
435 |
eval { |
436 |
$cb->($pkg); |
437 |
1 |
438 |
} or warn "$pkg unloaded, but with errors: $@"; |
439 |
} |
440 |
|
441 |
Symbol::delete_package $pkg; |
442 |
} |
443 |
|
444 |
sub load_extensions { |
445 |
my $LIBDIR = maps_directory "perl"; |
446 |
|
447 |
for my $ext (<$LIBDIR/*.ext>) { |
448 |
next unless -r $ext; |
449 |
eval { |
450 |
load_extension $ext; |
451 |
1 |
452 |
} or warn "$ext not loaded: $@"; |
453 |
} |
454 |
} |
455 |
|
456 |
sub _perl_reload(&) { |
457 |
my ($msg) = @_; |
458 |
|
459 |
$msg->("reloading..."); |
460 |
|
461 |
eval { |
462 |
# 1. cancel all watchers |
463 |
$_->cancel for Event::all_watchers; |
464 |
|
465 |
# 2. unload all extensions |
466 |
for (@exts) { |
467 |
$msg->("unloading <$_>"); |
468 |
unload_extension $_; |
469 |
} |
470 |
|
471 |
# 3. unload all modules loaded from $LIBDIR |
472 |
while (my ($k, $v) = each %INC) { |
473 |
next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
474 |
|
475 |
$msg->("removing <$k>"); |
476 |
delete $INC{$k}; |
477 |
|
478 |
$k =~ s/\.pm$//; |
479 |
$k =~ s/\//::/g; |
480 |
|
481 |
if (my $cb = $k->can ("unload_module")) { |
482 |
$cb->(); |
483 |
} |
484 |
|
485 |
Symbol::delete_package $k; |
486 |
} |
487 |
|
488 |
# 4. get rid of safe::, as good as possible |
489 |
Symbol::delete_package "safe::$_" |
490 |
for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
491 |
|
492 |
# 5. remove register_script_function callbacks |
493 |
# TODO |
494 |
|
495 |
# 6. unload cf.pm "a bit" |
496 |
delete $INC{"cf.pm"}; |
497 |
|
498 |
# don't, removes xs symbols, too, |
499 |
# and global variables created in xs |
500 |
#Symbol::delete_package __PACKAGE__; |
501 |
|
502 |
# 7. reload cf.pm |
503 |
$msg->("reloading cf.pm"); |
504 |
require cf; |
505 |
}; |
506 |
$msg->($@) if $@; |
507 |
|
508 |
$msg->("reloaded"); |
509 |
}; |
510 |
|
511 |
sub perl_reload() { |
512 |
_perl_reload { |
513 |
warn $_[0]; |
514 |
print "$_[0]\n"; |
515 |
}; |
516 |
} |
517 |
|
518 |
register_command "perl-reload", 0, sub { |
519 |
my ($who, $arg) = @_; |
520 |
|
521 |
if ($who->flag (FLAG_WIZ)) { |
522 |
_perl_reload { |
523 |
warn $_[0]; |
524 |
$who->message ($_[0]); |
525 |
}; |
526 |
} |
527 |
}; |
528 |
|
529 |
############################################################################# |
530 |
# extcmd framework, basically convert ext <msg> |
531 |
# into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
532 |
|
533 |
attach_to_players |
534 |
on_extcmd => sub { |
535 |
my ($pl, $buf) = @_; |
536 |
|
537 |
my $msg = eval { from_json $buf }; |
538 |
|
539 |
if (ref $msg) { |
540 |
if (my $cb = $extcmd{$msg->{msgtype}}) { |
541 |
if (my %reply = $cb->[0]->($pl, $msg)) { |
542 |
$pl->ext_reply ($msg->{msgid}, %reply); |
543 |
} |
544 |
} |
545 |
} else { |
546 |
warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
547 |
} |
548 |
|
549 |
cf::override; |
550 |
}, |
551 |
; |
552 |
|
553 |
############################################################################# |
554 |
# load/save/clean perl data associated with a map |
555 |
|
556 |
*cf::mapsupport::on_clean = sub { |
557 |
my ($map) = @_; |
558 |
|
559 |
my $path = $map->tmpname; |
560 |
defined $path or return; |
561 |
|
562 |
unlink "$path.cfperl"; |
563 |
}; |
564 |
|
565 |
*cf::mapsupport::on_swapin = |
566 |
*cf::mapsupport::on_load = sub { |
567 |
my ($map) = @_; |
568 |
|
569 |
my $path = $map->tmpname; |
570 |
$path = $map->path unless defined $path; |
571 |
|
572 |
open my $fh, "<:raw", "$path.cfperl" |
573 |
or return; # no perl data |
574 |
|
575 |
my $data = Storable::thaw do { local $/; <$fh> }; |
576 |
|
577 |
$data->{version} <= 1 |
578 |
or return; # too new |
579 |
|
580 |
$map->_set_obs ($data->{obs}); |
581 |
}; |
582 |
|
583 |
*cf::mapsupport::on_swapout = sub { |
584 |
my ($map) = @_; |
585 |
|
586 |
my $path = $map->tmpname; |
587 |
$path = $map->path unless defined $path; |
588 |
|
589 |
my $obs = $map->_get_obs; |
590 |
|
591 |
if (defined $obs) { |
592 |
open my $fh, ">:raw", "$path.cfperl" |
593 |
or die "$path.cfperl: $!"; |
594 |
|
595 |
stat $path; |
596 |
|
597 |
print $fh Storable::nfreeze { |
598 |
size => (stat _)[7], |
599 |
time => (stat _)[9], |
600 |
version => 1, |
601 |
obs => $obs, |
602 |
}; |
603 |
|
604 |
chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
605 |
} else { |
606 |
unlink "$path.cfperl"; |
607 |
} |
608 |
}; |
609 |
|
610 |
attach_to_maps prio => -10000, package => cf::mapsupport::; |
611 |
|
612 |
############################################################################# |
613 |
# load/save perl data associated with player->ob objects |
614 |
|
615 |
sub all_objects(@) { |
616 |
@_, map all_objects ($_->inv), @_ |
617 |
} |
618 |
|
619 |
attach_to_players |
620 |
on_load => sub { |
621 |
my ($pl, $path) = @_; |
622 |
|
623 |
for my $o (all_objects $pl->ob) { |
624 |
if (my $value = $o->get_ob_key_value ("_perl_data")) { |
625 |
$o->set_ob_key_value ("_perl_data"); |
626 |
|
627 |
%$o = %{ Storable::thaw pack "H*", $value }; |
628 |
} |
629 |
} |
630 |
}, |
631 |
on_save => sub { |
632 |
my ($pl, $path) = @_; |
633 |
|
634 |
$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
635 |
for grep %$_, all_objects $pl->ob; |
636 |
}, |
637 |
; |
638 |
|
639 |
############################################################################# |
640 |
# core extensions - in perl |
641 |
|
642 |
=item cf::player::exists $login |
643 |
|
644 |
Returns true when the given account exists. |
645 |
|
646 |
=cut |
647 |
|
648 |
sub cf::player::exists($) { |
649 |
cf::player::find $_[0] |
650 |
or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
651 |
} |
652 |
|
653 |
=item $player->reply ($npc, $msg[, $flags]) |
654 |
|
655 |
Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
656 |
can be C<undef>. Does the right thing when the player is currently in a |
657 |
dialogue with the given NPC character. |
658 |
|
659 |
=cut |
660 |
|
661 |
# rough implementation of a future "reply" method that works |
662 |
# with dialog boxes. |
663 |
sub cf::object::player::reply($$$;$) { |
664 |
my ($self, $npc, $msg, $flags) = @_; |
665 |
|
666 |
$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
667 |
|
668 |
if ($self->{record_replies}) { |
669 |
push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
670 |
} else { |
671 |
$msg = $npc->name . " says: $msg" if $npc; |
672 |
$self->message ($msg, $flags); |
673 |
} |
674 |
} |
675 |
|
676 |
=item $player->ext_reply ($msgid, $msgtype, %msg) |
677 |
|
678 |
Sends an ext reply to the player. |
679 |
|
680 |
=cut |
681 |
|
682 |
sub cf::player::ext_reply($$$%) { |
683 |
my ($self, $id, %msg) = @_; |
684 |
|
685 |
$msg{msgid} = $id; |
686 |
|
687 |
$self->send ("ext " . to_json \%msg); |
688 |
} |
689 |
|
690 |
############################################################################# |
691 |
# map scripting support |
692 |
|
693 |
our $safe = new Safe "safe"; |
694 |
our $safe_hole = new Safe::Hole; |
695 |
|
696 |
$SIG{FPE} = 'IGNORE'; |
697 |
|
698 |
$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
699 |
|
700 |
# here we export the classes and methods available to script code |
701 |
|
702 |
for ( |
703 |
["cf::object" => qw(contr pay_amount pay_player)], |
704 |
["cf::object::player" => qw(player)], |
705 |
["cf::player" => qw(peaceful)], |
706 |
) { |
707 |
no strict 'refs'; |
708 |
my ($pkg, @funs) = @$_; |
709 |
*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
710 |
for @funs; |
711 |
} |
712 |
|
713 |
sub safe_eval($;@) { |
714 |
my ($code, %vars) = @_; |
715 |
|
716 |
my $qcode = $code; |
717 |
$qcode =~ s/"/‟/g; # not allowed in #line filenames |
718 |
$qcode =~ s/\n/\\n/g; |
719 |
|
720 |
local $_; |
721 |
local @safe::cf::_safe_eval_args = values %vars; |
722 |
|
723 |
my $eval = |
724 |
"do {\n" |
725 |
. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
726 |
. "#line 0 \"{$qcode}\"\n" |
727 |
. $code |
728 |
. "\n}" |
729 |
; |
730 |
|
731 |
sub_generation_inc; |
732 |
my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
733 |
sub_generation_inc; |
734 |
|
735 |
if ($@) { |
736 |
warn "$@"; |
737 |
warn "while executing safe code '$code'\n"; |
738 |
warn "with arguments " . (join " ", %vars) . "\n"; |
739 |
} |
740 |
|
741 |
wantarray ? @res : $res[0] |
742 |
} |
743 |
|
744 |
sub register_script_function { |
745 |
my ($fun, $cb) = @_; |
746 |
|
747 |
no strict 'refs'; |
748 |
*{"safe::$fun"} = $safe_hole->wrap ($cb); |
749 |
} |
750 |
|
751 |
############################################################################# |
752 |
# the server's main() |
753 |
|
754 |
sub main { |
755 |
Event::loop; |
756 |
} |
757 |
|
758 |
############################################################################# |
759 |
# initialisation |
760 |
|
761 |
register "<global>", __PACKAGE__; |
762 |
|
763 |
unshift @INC, $LIBDIR; |
764 |
|
765 |
load_extensions; |
766 |
|
767 |
$TICK_WATCHER = Event->timer ( |
768 |
prio => 1, |
769 |
at => $NEXT_TICK || 1, |
770 |
cb => sub { |
771 |
cf::server_tick; # one server iteration |
772 |
|
773 |
my $NOW = Event::time; |
774 |
$NEXT_TICK += $TICK; |
775 |
|
776 |
# if we are delayed by four ticks, skip them all |
777 |
$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
778 |
|
779 |
$TICK_WATCHER->at ($NEXT_TICK); |
780 |
$TICK_WATCHER->start; |
781 |
}, |
782 |
); |
783 |
|
784 |
1 |
785 |
|