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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.27 by root, Fri Jul 21 00:51:39 2006 UTC vs.
Revision 1.38 by root, Thu Aug 24 17:29:30 2006 UTC

… …
5use Storable; 5use Storable;
6use Opcode; 6use Opcode;
7use Safe; 7use Safe;
8use Safe::Hole; 8use Safe::Hole;
9 9
10use Time::HiRes;
10use Event; 11use Event;
11$Event::Eval = 1; # no idea why this is required, but it is 12$Event::Eval = 1; # no idea why this is required, but it is
12 13
13use strict; 14use strict;
14 15
15our %COMMAND; 16our %COMMAND;
16our @EVENT; 17our @EVENT;
18our @PLUGIN_EVENT;
17our %PROP_TYPE; 19our %PROP_TYPE;
18our %PROP_IDX; 20our %PROP_IDX;
19our $LIBDIR = maps_directory "perl"; 21our $LIBDIR = maps_directory "perl";
20 22
23our $TICK = MAX_TIME * 1e-6;
24our $TICK_WATCHER;
25our $NEXT_TICK;
26
21BEGIN { 27BEGIN {
22 @EVENT = map lc, @EVENT; 28 @PLUGIN_EVENT = map lc, @PLUGIN_EVENT;
23 29
24 *CORE::GLOBAL::warn = sub { 30 *CORE::GLOBAL::warn = sub {
25 my $msg = join "", @_; 31 my $msg = join "", @_;
26 $msg .= "\n" 32 $msg .= "\n"
27 unless $msg =~ /\n$/; 33 unless $msg =~ /\n$/;
… …
70@ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 76@ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
71@ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; 77@ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object';
72 78
73# we bless all objects into derived classes to force a method lookup 79# we bless all objects into derived classes to force a method lookup
74# within the Safe compartment. 80# within the Safe compartment.
75for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) { 81for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) {
76 no strict 'refs'; 82 no strict 'refs';
77 @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 83 @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
78} 84}
79 85
80$Event::DIED = sub { 86$Event::DIED = sub {
… …
136} 142}
137 143
138sub register { 144sub register {
139 my ($base, $pkg) = @_; 145 my ($base, $pkg) = @_;
140 146
141 for my $idx (0 .. $#EVENT) { 147 for my $idx (0 .. $#PLUGIN_EVENT) {
142 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { 148 if (my $ref = $pkg->can ("on_$PLUGIN_EVENT[$idx]")) {
143 #warn "registering $EVENT[$idx] hook to '$pkg'\n"; 149 #warn "registering $PLUGIN_EVENT[$idx] hook to '$pkg'\n";
144 $hook[$idx]{$base} = $ref; 150 $hook[$idx]{$base} = $ref;
145 } 151 }
146 } 152 }
147} 153}
148 154
… …
181sub unload_extension { 187sub unload_extension {
182 my ($pkg) = @_; 188 my ($pkg) = @_;
183 189
184 warn "removing extension $pkg\n"; 190 warn "removing extension $pkg\n";
185 191
186 if (my $cb = $pkg->can ("on_unload")) {
187 $cb->($pkg);
188 }
189
190 # remove hooks 192 # remove hooks
191 for my $idx (0 .. $#EVENT) { 193 for my $idx (0 .. $#PLUGIN_EVENT) {
192 delete $hook[$idx]{$pkg}; 194 delete $hook[$idx]{$pkg};
193 } 195 }
194 196
195 # remove commands 197 # remove commands
196 for my $name (keys %command) { 198 for my $name (keys %command) {
… …
208 # remove extcmds 210 # remove extcmds
209 for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { 211 for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
210 delete $extcmd{$name}; 212 delete $extcmd{$name};
211 } 213 }
212 214
215 if (my $cb = $pkg->can ("on_unload")) {
216 eval {
217 $cb->($pkg);
218 1
219 } or warn "$pkg unloaded, but with errors: $@";
220 }
221
213 Symbol::delete_package $pkg; 222 Symbol::delete_package $pkg;
214} 223}
215 224
216sub load_extensions { 225sub load_extensions {
217 my $LIBDIR = maps_directory "perl"; 226 my $LIBDIR = maps_directory "perl";
… …
223 1 232 1
224 } or warn "$ext not loaded: $@"; 233 } or warn "$ext not loaded: $@";
225 } 234 }
226} 235}
227 236
237sub _perl_reload(&) {
238 my ($msg) = @_;
239
240 $msg->("reloading...");
241
242 eval {
243 # 1. cancel all watchers
244 $_->cancel for Event::all_watchers;
245
246 # 2. unload all extensions
247 for (@exts) {
248 $msg->("unloading <$_>");
249 unload_extension $_;
250 }
251
252 # 3. unload all modules loaded from $LIBDIR
253 while (my ($k, $v) = each %INC) {
254 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
255
256 $msg->("removing <$k>");
257 delete $INC{$k};
258
259 $k =~ s/\.pm$//;
260 $k =~ s/\//::/g;
261
262 if (my $cb = $k->can ("unload_module")) {
263 $cb->();
264 }
265
266 Symbol::delete_package $k;
267 }
268
269 # 4. get rid of ext::, as good as possible
270 Symbol::delete_package "ext::$_"
271 for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region);
272
273 # 5. remove register_script_function callbacks
274 # TODO
275
276 # 6. unload cf.pm "a bit"
277 delete $INC{"cf.pm"};
278
279 # don't, removes xs symbols, too
280 #Symbol::delete_package __PACKAGE__;
281
282 # 7. reload cf.pm
283 $msg->("reloading cf.pm");
284 require cf;
285 };
286 $msg->($@) if $@;
287
288 $msg->("reloaded");
289};
290
291sub perl_reload() {
292 _perl_reload {
293 warn $_[0];
294 print "$_[0]\n";
295 };
296}
297
228register_command "perl-reload", 0, sub { 298register_command "perl-reload", 0, sub {
229 my ($who, $arg) = @_; 299 my ($who, $arg) = @_;
230 300
231 if ($who->flag (FLAG_WIZ)) { 301 if ($who->flag (FLAG_WIZ)) {
232 $who->message ("reloading..."); 302 _perl_reload {
233 303 warn $_[0];
234 warn "reloading...\n"; 304 $who->message ($_[0]);
235 eval {
236 # 1. cancel all watchers
237 $_->cancel for Event::all_watchers;
238
239 # 2. unload all extensions
240 for (@exts) {
241 $who->message ("unloading <$_>");
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"
270 delete $INC{"cf.pm"};
271
272 # don't, removes xs symbols, too
273 #Symbol::delete_package __PACKAGE__;
274
275 # 7. reload cf.pm
276 $who->message ("reloading cf.pm");
277 require cf;
278 }; 305 };
279 warn $@ if $@;
280 $who->message ($@) if $@;
281 warn "reloaded\n";
282
283 $who->message ("reloaded");
284 } else {
285 $who->message ("Intruder Alert!");
286 } 306 }
287}; 307};
288 308
289############################################################################# 309#############################################################################
310# utility functions
311
312use JSON::Syck (); # TODO# replace by JSON::PC once working
313
314sub from_json($) {
315 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
316 JSON::Syck::Load $_[0]
317}
318
319sub to_json($) {
320 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
321 JSON::Syck::Dump $_[0]
322}
323
324#############################################################################
290# extcmd framework, basically convert ext <id> <pkg> arg1 args 325# extcmd framework, basically convert ext <msg>
291# into pkg::->on_extcmd_arg1 (...) while shortcutting a few 326# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
292 327
293sub on_extcmd { 328sub on_extcmd {
294 my ($pl, $buf) = @_; 329 my ($pl, $buf) = @_;
295 330
296 my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; 331 my $msg = eval { from_json $buf };
297 332
298 $extcmd{$type}[0]->($pl, $buf) 333 if (ref $msg) {
299 if $extcmd{$type}; 334 if (my $cb = $extcmd{$msg->{msgtype}}) {
335 if (my %reply = $cb->[0]->($pl, $msg)) {
336 $pl->ext_reply ($msg->{msgid}, %reply);
337 }
338 }
339 } else {
340 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
341 }
342
343 1
300} 344}
301 345
302############################################################################# 346#############################################################################
303# load/save/clean perl data associated with a map 347# load/save/clean perl data associated with a map
304 348
… …
357}; 401};
358 402
359############################################################################# 403#############################################################################
360# load/save perl data associated with player->ob objects 404# load/save perl data associated with player->ob objects
361 405
406sub all_objects(@) {
407 @_, map all_objects ($_->inv), @_
408}
409
362*on_player_load = sub { 410*on_player_load = sub {
363 my ($ob, $path) = @_; 411 my ($ob, $path) = @_;
364 412
365 for my $o ($ob, $ob->inv) { 413 for my $o (all_objects $ob) {
366 if (my $value = $o->get_ob_key_value ("_perl_data")) { 414 if (my $value = $o->get_ob_key_value ("_perl_data")) {
367 $o->set_ob_key_value ("_perl_data"); 415 $o->set_ob_key_value ("_perl_data");
368 416
369 %$o = %{ Storable::thaw pack "H*", $value }; 417 %$o = %{ Storable::thaw pack "H*", $value };
370 } 418 }
… …
373 421
374*on_player_save = sub { 422*on_player_save = sub {
375 my ($ob, $path) = @_; 423 my ($ob, $path) = @_;
376 424
377 $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) 425 $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)
378 for grep %$_, $ob, $ob->inv; 426 for grep %$_, all_objects $ob;
379}; 427};
380 428
381############################################################################# 429#############################################################################
382# core extensions - in perl 430# core extensions - in perl
383 431
… …
389 437
390sub cf::player::exists($) { 438sub cf::player::exists($) {
391 cf::player::find $_[0] 439 cf::player::find $_[0]
392 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 440 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
393} 441}
442
443=item $player->reply ($npc, $msg[, $flags])
444
445Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
446can be C<undef>. Does the right thing when the player is currently in a
447dialogue with the given NPC character.
448
449=cut
394 450
395# rough implementation of a future "reply" method that works 451# rough implementation of a future "reply" method that works
396# with dialog boxes. 452# with dialog boxes.
397sub cf::object::player::reply($$$;$) { 453sub cf::object::player::reply($$$;$) {
398 my ($self, $npc, $msg, $flags) = @_; 454 my ($self, $npc, $msg, $flags) = @_;
… …
403 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 459 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
404 } else { 460 } else {
405 $msg = $npc->name . " says: $msg" if $npc; 461 $msg = $npc->name . " says: $msg" if $npc;
406 $self->message ($msg, $flags); 462 $self->message ($msg, $flags);
407 } 463 }
464}
465
466=item $player->ext_reply ($msgid, $msgtype, %msg)
467
468Sends an ext reply to the player.
469
470=cut
471
472sub cf::player::ext_reply($$$%) {
473 my ($self, $id, %msg) = @_;
474
475 $msg{msgid} = $id;
476
477 $self->send ("ext " . to_json \%msg);
408} 478}
409 479
410############################################################################# 480#############################################################################
411# map scripting support 481# map scripting support
412 482
… …
461 no strict 'refs'; 531 no strict 'refs';
462 *{"ext::$fun"} = $safe_hole->wrap ($cb); 532 *{"ext::$fun"} = $safe_hole->wrap ($cb);
463} 533}
464 534
465############################################################################# 535#############################################################################
536# the server's main()
537
538sub run {
539 Event::loop;
540}
541
542#############################################################################
466# initialisation 543# initialisation
467 544
468register "<global>", __PACKAGE__; 545register "<global>", __PACKAGE__;
469 546
470unshift @INC, $LIBDIR; 547unshift @INC, $LIBDIR;
471 548
472load_extensions; 549load_extensions;
473 550
551$TICK_WATCHER = Event->timer (
552 prio => 1,
553 at => $NEXT_TICK || 1,
554 cb => sub {
555 cf::server_tick; # one server iteration
556
557 my $NOW = Event::time;
558 $NEXT_TICK += $TICK;
559
560 # if we are delayed by four ticks, skip them all
561 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
562
563 $TICK_WATCHER->at ($NEXT_TICK);
564 $TICK_WATCHER->start;
565 },
566);
567
4741 5681
475 569

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