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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$Event::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
246		256
247	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
254		271
255	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
258	returned.	275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
259		279
260	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
262		282
263	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
…		…
306	};	326	};
307	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
308	$guard	328	$guard
309	}	329	}
310		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
311	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
312		388
313	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
318		394
319	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
320		396
321	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
322		398
323	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
326		403
327	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
330	fast or be very important.	407	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
391		468
392	$coro	469	$coro
393	}	470	}
394		471
395	sub write_runtime {	472	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		473
398	# first touch the runtime file to show we are still running:	474	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
400		478
401	IO::AIO::aio_utime $runtime, undef, undef;	479	=cut
402		480
403	my $guard = cf::lock_acquire "write_runtime";	481	sub fork_call(&@) {
		482	my ($cb, @args) = @_;
404		483
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	# we seemingly have to make a local copy of the whole thing,
406	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
407		487
408	my $value = $cf::RUNTIME + 90 + 10;	488	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	489	reset_signals;
410	# 60 allows for the watchdog to kill the server.	490	&$cb
		491	}, @args;
411		492
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	wantarray ? @res : $res[-1]
413	and return;	494	}
414		495
415	# always fsync - this file is important	496	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		497
419	# touch it again to show we are up-to-date	498	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		499
422	close $fh	500	=item cf::db_put $family => $key => $value
423	or return;
424		501
425	aio_rename "$runtime~", $runtime	502	Stores the given C<$value> in the family. It can currently store binary
426	and return;	503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		504
428	warn "runtime file written.\n";#d#	505	=cut
429		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
430	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
431	}	610	}
432		611
433	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
434		613
435	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
455		634
456	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	637	Crossfire TRT).
459		638
460	=over 4	639	=over 4
461		640
462	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
463		642
…		…
665	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
666	}	845	}
667		846
668	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
669	} else {	848	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	850	}
672		851
673	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
674	}	853	}
675		854
…		…
715	";	894	";
716	die if $@;	895	die if $@;
717	}	896	}
718		897
719	our $override;	898	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		900
722	sub override {	901	sub override {
723	$override = 1;	902	$override = 1;
724	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
725	}	904	}
726		905
727	sub do_invoke {	906	sub do_invoke {
728	my $event = shift;	907	my $event = shift;
729	my $callbacks = shift;	908	my $callbacks = shift;
730		909
731	@invoke_results = ();	910	@INVOKE_RESULTS = ();
732		911
733	local $override;	912	local $override;
734		913
735	for (@$callbacks) {	914	for (@$callbacks) {
736	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
753		932
754	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
755		934
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		938
760	=back	939	=back
761		940
762	=cut	941	=cut
763		942
764	#############################################################################	943	#############################################################################
765	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
766		956
767	sub reattach {	957	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	959	my ($obj) = @_;
770		960
…		…
873	or return;	1063	or return;
874	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1065	}
876		1066
877	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
879	return ($data, $av);	1069	return ($data, $av);
880	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
881		1077
882	#############################################################################	1078	#############################################################################
883	# command handling &c	1079	# command handling &c
884		1080
885	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1095	}
900		1096
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1098
903	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
904		1104
905	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
906	called.	1106	called.
907		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
908	=cut	1119	=cut
909		1120
910	sub register_extcmd {	1121	sub register_extcmd {
911	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
912		1123
913	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
914	}	1131	}
915		1132
916	cf::player->attach (	1133	cf::player->attach (
917	on_command => sub {	1134	on_command => sub {
918	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1144	cf::override;
928	},	1145	},
929	on_extcmd => sub {	1146	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
931		1148
932	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1150
934	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
940	} else {	1166	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1168	}
943		1169
944	cf::override;	1170	cf::override;
945	},	1171	},
946	);	1172	);
947		1173
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
983	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1179	next unless -r $path;
985	eval {	1180
986	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
987	1	1238	}
988	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
989	}	1244	};
990	}	1245	}
991		1246
992	#############################################################################	1247	#############################################################################
		1248
		1249	=back
993		1250
994	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
995		1252
996	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
997		1254
…		…
1068		1325
1069	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1071		1328
1072	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1073	Coro::cede;	1330	cf::cede_to_tick;
1074	}	1331	}
1075		1332
1076	sub new($) {	1333	sub new($) {
1077	my ($login) = @_;	1334	my ($login) = @_;
1078		1335
…		…
1082	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1083		1340
1084	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1085		1342
1086	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1087	}	1354	}
1088		1355
1089	=item $pl->quit_character	1356	=item $pl->quit_character
1090		1357
1091	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1185	}	1452	}
1186		1453
1187	\@paths	1454	\@paths
1188	}	1455	}
1189		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1190	=item $player->ext_reply ($msgid, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1191		1509
1192	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1193		1511
1194	=cut	1512	=cut
1195		1513
1196	sub ext_reply($$%) {	1514	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1198		1516
1199	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1518	}
1203		1519
1204	=item $player->ext_event ($type, %msg)	1520	=item $player->ext_msg ($type, @msg)
1205		1521
1206	Sends an ext event to the client.	1522	Sends an ext event to the client.
1207		1523
1208	=cut	1524	=cut
1209		1525
1210	sub ext_event($$%) {	1526	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1527	my ($self, $type, @msg) = @_;
1212		1528
1213	$self->ns->ext_event ($type, %msg);	1529	$self->ns->ext_msg ($type, @msg);
1214	}	1530	}
1215		1531
1216	=head3 cf::region	1532	=head3 cf::region
1217		1533
1218	=over 4	1534	=over 4
…		…
1221		1537
1222	package cf::region;	1538	package cf::region;
1223		1539
1224	=item cf::region::find_by_path $path	1540	=item cf::region::find_by_path $path
1225		1541
1226	Tries to decuce the probable region for a map knowing only its path.	1542	Tries to decuce the likely region for a map knowing only its path.
1227		1543
1228	=cut	1544	=cut
1229		1545
1230	sub find_by_path($) {	1546	sub find_by_path($) {
1231	my ($path) = @_;	1547	my ($path) = @_;
1232		1548
1233	my ($match, $specificity);	1549	my ($match, $specificity);
1234		1550
1235	for my $region (list) {	1551	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1552	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1553	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1554	if $region->specificity > $specificity;
1239	}	1555	}
1240	}	1556	}
1241		1557
…		…
1305	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1306		1622
1307	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1308	local $self->{path};	1624	local $self->{path};
1309	local $self->{load_path};	1625	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1626
1313	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1314	}	1628	}
1315		1629
1316	sub normalise {	1630	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1364	return $self;	1678	return $self;
1365	}	1679	}
1366	}	1680	}
1367		1681
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1683	()
1370	}	1684	}
1371		1685
1372	sub init {	1686	sub init {
1373	my ($self) = @_;	1687	my ($self) = @_;
…		…
1414	sub change_all_map_light {	1728	sub change_all_map_light {
1415	my ($change) = @_;	1729	my ($change) = @_;
1416		1730
1417	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
		1733	}
		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
1419	}	1741	}
1420		1742
1421	sub unlink_save {	1743	sub unlink_save {
1422	my ($self) = @_;	1744	my ($self) = @_;
1423		1745
…		…
1481	$self->load_header_orig	1803	$self->load_header_orig
1482	or return;	1804	or return;
1483	$self->prepare_orig;	1805	$self->prepare_orig;
1484	}	1806	}
1485		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
1486	$self->default_region (cf::region::find_by_path $self->{path})	1811	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1812	unless $self->default_region;
1488		1813
1489	1	1814	1
1490	}	1815	}
…		…
1505	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1506		1831
1507	$map->load_header	1832	$map->load_header
1508	or return;	1833	or return;
1509		1834
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1513	$map->reset;	1838	$map->reset;
1514	undef $guard;	1839	undef $guard;
1515	return find $path;	1840	return find $path;
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1529		1854
1530	my $path = $self->{path};	1855	my $path = $self->{path};
1531		1856
1532	{	1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1533	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1534		1860
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1536		1862
1537	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1538		1864
1539	$self->alloc;	1865	$self->alloc;
1540		1866
1541	$self->pre_load;	1867	$self->pre_load;
1542	Coro::cede;	1868	cf::cede_to_tick;
1543		1869
1544	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1545	or return;	1871	or return;
1546		1872
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1553	$self->clear_unique_items;	1879	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1555	}	1881	}
1556	}	1882	}
1557		1883
1558	Coro::cede;	1884	cf::cede_to_tick;
1559	# now do the right thing for maps	1885	# now do the right thing for maps
1560	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	1888	unless $self->difficulty;
1563	Coro::cede;	1889	cf::cede_to_tick;
1564		1890
1565	unless ($self->{deny_activate}) {	1891	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	1892	$self->decay_objects;
1567	$self->fix_auto_apply;	1893	$self->fix_auto_apply;
1568	$self->update_buttons;	1894	$self->update_buttons;
1569	Coro::cede;	1895	cf::cede_to_tick;
1570	$self->set_darkness_map;	1896	$self->set_darkness_map;
1571	Coro::cede;	1897	cf::cede_to_tick;
1572	$self->activate;	1898	$self->activate;
1573	}	1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1574		1903
1575	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	1905	}
1577		1906
1578	$self->post_load;	1907	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1583		1912
1584	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	1914	if $self->per_player;
1586		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1587	$self	1919	$self
1588	}	1920	}
1589		1921
1590	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	1923	sub load_neighbours {
1592	my ($map) = @_;	1924	my ($map) = @_;
1593		1925
1594	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1595		1927
1596	for (0 .. 3) {	1928	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1598	or next;	1930	or next;
1599	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1600	or next;	1932	or next;
1601	$neigh->load;	1933	$neigh->load;
1602		1934
		1935	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	1938	}
1606		1939
1607	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1609	or next;	1943	or next;
1610	$neigh->load;	1944	$neigh->load;
1611	}	1945	}
1612	}	1946	}
1613		1947
…		…
1618	}	1952	}
1619		1953
1620	sub do_load_sync {	1954	sub do_load_sync {
1621	my ($map) = @_;	1955	my ($map) = @_;
1622		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1623	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1624	}	1961	}
1625		1962
1626	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1628		1965
1629	sub find_async {	1966	sub find_async {
1630	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1631		1968
1632	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1633		1970
1634	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	1973	}
1637		1974
1638	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1639	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1640	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	1980	if (my $map = find $k) {
1643	or next;
1644	$map->load;	1981	$map->load if $v;
		1982	}
1645		1983
1646	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1647	}	1985	}
1648	}	1986	}
1649	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1650	};	1988	};
1651	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1654	}	1992	}
1655		1993
1656	sub save {	1994	sub save {
1657	my ($self) = @_;	1995	my ($self) = @_;
1658		1996
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		1998
1661	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1662		2000
1663	return unless $self->dirty;	2001	return unless $self->dirty;
1664		2002
…		…
1687	my ($self) = @_;	2025	my ($self) = @_;
1688		2026
1689	# save first because save cedes	2027	# save first because save cedes
1690	$self->save;	2028	$self->save;
1691		2029
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2031
1694	return if $self->players;	2032	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2034	return if $self->{deny_save};
1697		2035
…		…
1701		2039
1702	sub reset_at {	2040	sub reset_at {
1703	my ($self) = @_;	2041	my ($self) = @_;
1704		2042
1705	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1708		2045
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2048
…		…
1722	my ($self) = @_;	2059	my ($self) = @_;
1723		2060
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2062
1726	return if $self->players;	2063	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2064
1729	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
1730		2066
1731	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1732		2068
1733	# need to save uniques path	2069	# need to save uniques path
1734	unless ($self->{deny_save}) {	2070	unless ($self->{deny_save}) {
…		…
1751	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1752		2088
1753	sub nuke {	2089	sub nuke {
1754	my ($self) = @_;	2090	my ($self) = @_;
1755		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1756	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1757		2096
1758	$self->unlink_save;	2097	$self->unlink_save;
1759		2098
1760	bless $self, "cf::map";	2099	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2104
1766	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1767		2107
1768	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1769	}	2145	}
1770		2146
1771	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1772		2148
1773	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2150	instantiated unique items. May block.
1775		2151
1776	=cut	2152	=cut
1777		2153
1778	sub unique_maps() {	2154	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2155	[
1780	or return;	2156	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2157	utf8::decode $_;
1786	next if /\.pst$/;	2158	/\.map$/
1787	next unless /^$PATH_SEP/o;	2159	? normalise $_
1788		2160	: ()
1789	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2162	]
1791
1792	\@paths
1793	}	2163	}
1794		2164
1795	package cf;	2165	package cf;
1796		2166
1797	=back	2167	=back
…		…
1843		2213
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2215
1846	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1848	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1851	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1852	}	2241	}
1853		2242
1854	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1855		2244
1856	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1938		2327
1939	$map->load;	2328	$map->load;
1940	$map->load_diag;	2329	$map->load_neighbours;
1941		2330
1942	return unless $self->contr->active;	2331	return unless $self->contr->active;
1943	$self->activate_recursive;	2332	$self->activate_recursive;
1944		2333
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1947	}	2336	}
1948		2337
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2339
1951	Moves the player to the given map-path and coordinates by first freezing	2340	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2341	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2342	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2343	the new (success) or old (failed) map position. In either case, $done will
		2344	be called at the end of this process.
1955		2345
1956	=cut	2346	=cut
1957		2347
1958	our $GOTOGEN;	2348	our $GOTOGEN;
1959		2349
1960	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2352
1963	# do generation counting so two concurrent goto's will be executed in-order	2353	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2355
1966	$self->enter_link;	2356	$self->enter_link;
…		…
1986		2376
1987	if ($gen == $self->{_goto_generation}) {	2377	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2378	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
1990	}	2380	}
		2381
		2382	$done->() if $done;
1991	})->prio (1);	2383	})->prio (1);
1992	}	2384	}
1993		2385
1994	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1995		2387
…		…
2064	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
2066		2458
2067	$self->enter_link;	2459	$self->enter_link;
2068		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
		2464
2069	(async {	2465	(async {
2070	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2467	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
2073		2469
…		…
2100		2496
2101	utf8::encode $text;	2497	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2499	}
2104		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
2105	=item $client->ext_event ($type, %msg)	2582	=item $client->ext_msg ($type, @msg)
2106		2583
2107	Sends an exti event to the client.	2584	Sends an ext event to the client.
2108		2585
2109	=cut	2586	=cut
2110		2587
2111	sub cf::client::ext_event($$%) {	2588	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2589	my ($self, $type, @msg) = @_;
2113		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2594	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
2116	}	2615	}
2117		2616
2118	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
2119		2618
2120	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2622
2124	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2624	become reliable at some point in the future.
2126		2625
2127	=cut	2626	=cut
2128		2627
2129	sub cf::client::query {	2628	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2637	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2639
2141	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
2143	}	2644	}
2144		2645
2145	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
2146	on_reply => sub {	2652	on_reply => sub {
2147	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
2148		2654
2149	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
2150	# get handled first	2656	# get handled first
…		…
2162	} else {	2668	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2670	}
2165	}	2671	}
2166	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
2167	);	2699	);
2168		2700
2169	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
2170		2702
2171	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2214		2746
2215	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2216		2748
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2218		2754
2219	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2220		2756
2221	=pod	2757	=pod
2222		2758
2223	The following functions and methods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2224		2760
2225	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2226	cf::object::player player	2765	cf::object::player
2227	cf::player peaceful	2766	player
2228	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2229		2773
2230	=cut	2774	=cut
2231		2775
2232	for (	2776	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2234	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2237	) {	2783	) {
2238	no strict 'refs';	2784	no strict 'refs';
…		…
2309	=back	2855	=back
2310		2856
2311	=cut	2857	=cut
2312		2858
2313	#############################################################################	2859	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	2860	# the server's init and main functions
2487		2861
2488	sub load_facedata($) {	2862	sub load_facedata($) {
2489	my ($path) = @_;	2863	my ($path) = @_;
		2864
		2865	# HACK to clear player env face cache, we need some signal framework
		2866	# for this (global event?)
		2867	%ext::player_env::MUSIC_FACE_CACHE = ();
		2868
		2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		2870
2491	warn "loading facedata from $path\n";	2871	warn "loading facedata from $path\n";
2492		2872
2493	my $facedata;	2873	my $facedata;
2494	0 < aio_load $path, $facedata	2874	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	2877	$facedata = Coro::Storable::thaw $facedata;
2498		2878
2499	$facedata->{version} == 2	2879	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		2881
		2882	# patch in the exptable
		2883	$facedata->{resource}{"res/exp_table"} = {
		2884	type => FT_RSRC,
		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2886	};
		2887	cf::cede_to_tick;
		2888
2502	{	2889	{
2503	my $faces = $facedata->{faceinfo};	2890	my $faces = $facedata->{faceinfo};
2504		2891
2505	while (my ($face, $info) = each %$faces) {	2892	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2894	cf::face::set_visibility $idx, $info->{visibility};
		2895	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	2898
		2899	cf::cede_to_tick;
2511	}	2900	}
2512		2901
2513	while (my ($face, $info) = each %$faces) {	2902	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	2903	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	2904	my $idx = cf::face::find $face
2516	or next;	2905	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	2909	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	2911	}
2522	Coro::cede;	2912
		2913	cf::cede_to_tick;
2523	}	2914	}
2524	}	2915	}
2525		2916
2526	{	2917	{
2527	my $anims = $facedata->{animinfo};	2918	my $anims = $facedata->{animinfo};
2528		2919
2529	while (my ($anim, $info) = each %$anims) {	2920	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	2922	cf::cede_to_tick;
2532	}	2923	}
2533		2924
2534	cf::anim::invalidate_all; # d'oh	2925	cf::anim::invalidate_all; # d'oh
2535	}	2926	}
2536		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
2537	1	2977	1
2538	}	2978	}
2539		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
2540	sub reload_regions {	2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
2541	load_resource_file "$MAPDIR/regions"	2993	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
2543	}	3000	}
2544		3001
2545	sub reload_facedata {	3002	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3003	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3004	or die "unable to load facedata\n";
2548	}	3005	}
2549		3006
2550	sub reload_archetypes {	3007	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3008	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
2553	}	3015	}
2554		3016
2555	sub reload_treasures {	3017	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3018	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3019	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	3022	sub reload_resources {
2561	warn "reloading resource files...\n";	3023	warn "reloading resource files...\n";
2562		3024
2563	reload_regions;	3025	reload_regions;
2564	reload_facedata;	3026	reload_facedata;
		3027	#reload_archetypes;#d#
2565	reload_archetypes;	3028	reload_archetypes;
2566	reload_treasures;	3029	reload_treasures;
2567		3030
2568	warn "finished reloading resource files\n";	3031	warn "finished reloading resource files\n";
2569	}	3032	}
2570		3033
2571	sub init {	3034	sub init {
2572	reload_resources;	3035	reload_resources;
2573	}	3036	}
2574		3037
2575	sub cfg_load {	3038	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3040	or return;
2578		3041
2579	local $/;	3042	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
…		…
2600	(async {	3063	(async {
2601	Event::one_event;	3064	Event::one_event;
2602	})->prio (Coro::PRIO_MAX);	3065	})->prio (Coro::PRIO_MAX);
2603	};	3066	};
2604		3067
2605	cfg_load;	3068	reload_config;
2606	db_init;	3069	db_init;
2607	load_extensions;	3070	load_extensions;
2608		3071
2609	$TICK_WATCHER->start;	3072	$TICK_WATCHER->start;
2610	Event::loop;	3073	Event::loop;
…		…
2626	},	3089	},
2627	);	3090	);
2628	}	3091	}
2629	}	3092	}
2630		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2631	sub emergency_save() {	3132	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2633		3134
2634	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2635		3136
…		…
2710	%EXT_CORO = ();	3211	%EXT_CORO = ();
2711		3212
2712	warn "removing commands";	3213	warn "removing commands";
2713	%COMMAND = ();	3214	%COMMAND = ();
2714		3215
2715	warn "removing ext commands";	3216	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2717		3219
2718	warn "unloading/nuking all extensions";	3220	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2721		3223
…		…
2764	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2765	require cf;	3267	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3269
2768	warn "loading config and database again";	3270	warn "loading config and database again";
2769	cf::cfg_load;	3271	cf::reload_config;
2770		3272
2771	warn "loading extensions";	3273	warn "loading extensions";
2772	cf::load_extensions;	3274	cf::load_extensions;
2773		3275
2774	warn "reattaching attachments to objects/players";	3276	warn "reattaching attachments to objects/players";

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