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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
…		…
47	our %CFG;	52	our %CFG;
48		53
49	our $UPTIME; $UPTIME ||= time;	54	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	55	our $RUNTIME;
51		56
		57	our %PLAYER; # all users
52	our %MAP; # all maps	58	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	59	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	60	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	61
		62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		64
		65	# used to convert map paths into valid unix filenames by replacing / by ∕
		66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		67
58	binmode STDOUT;	68	binmode STDOUT;
59	binmode STDERR;	69	binmode STDERR;
60		70
61	# read virtual server time, if available	71	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	79	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	80	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	81	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	82	mkdir $RANDOM_MAPS;
73		83
74	# a special map that is always available	84	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		85
79	#############################################################################	86	#############################################################################
80		87
81	=head2 GLOBAL VARIABLES	88	=head2 GLOBAL VARIABLES
82		89
…		…
106		113
107	=item %cf::CFG	114	=item %cf::CFG
108		115
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	116	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	117	from wherever your confdir points to.
		118
		119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		120
		121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		123	processing has been done. Call C<< ->wait >> on them to maximise the
		124	window of cpu time available, or simply to synchronise to the server tick.
111		125
112	=back	126	=back
113		127
114	=cut	128	=cut
115		129
…		…
119	utf8::encode $msg;	133	utf8::encode $msg;
120		134
121	$msg .= "\n"	135	$msg .= "\n"
122	unless $msg =~ /\n$/;	136	unless $msg =~ /\n$/;
123		137
124	LOG llevError, "cfperl: $msg";	138	LOG llevError, $msg;
125	};	139	};
126	}	140	}
127		141
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		161
148	$Event::DIED = sub {	162	$Event::DIED = sub {
149	warn "error in event callback: @_";	163	warn "error in event callback: @_";
150	};	164	};
151		165
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	166	=head2 UTILITY FUNCTIONS
157		167
158	=over 4	168	=over 4
159		169
		170	=item dumpval $ref
		171
160	=cut	172	=cut
		173
		174	sub dumpval {
		175	eval {
		176	local $SIG{__DIE__};
		177	my $d;
		178	if (1) {
		179	$d = new Data::Dumper([$_[0]], ["*var"]);
		180	$d->Terse(1);
		181	$d->Indent(2);
		182	$d->Quotekeys(0);
		183	$d->Useqq(1);
		184	#$d->Bless(...);
		185	$d->Seen($_[1]) if @_ > 1;
		186	$d = $d->Dump();
		187	}
		188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		189	$d
		190	} || "[unable to dump $_[0]: '$@']";
		191	}
161		192
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	193	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		194
164	=item $ref = cf::from_json $json	195	=item $ref = cf::from_json $json
165		196
…		…
180		211
181	sub to_json($) {	212	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	214	JSON::Syck::Dump $_[0]
184	}	215	}
		216
		217	=item cf::lock_wait $string
		218
		219	Wait until the given lock is available. See cf::lock_acquire.
		220
		221	=item my $lock = cf::lock_acquire $string
		222
		223	Wait until the given lock is available and then acquires it and returns
		224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		225	for example when the coroutine gets canceled), the lock is automatically
		226	returned.
		227
		228	Lock names should begin with a unique identifier (for example, cf::map::find
		229	uses map_find and cf::map::load uses map_load).
		230
		231	=cut
		232
		233	our %LOCK;
		234
		235	sub lock_wait($) {
		236	my ($key) = @_;
		237
		238	# wait for lock, if any
		239	while ($LOCK{$key}) {
		240	push @{ $LOCK{$key} }, $Coro::current;
		241	Coro::schedule;
		242	}
		243	}
		244
		245	sub lock_acquire($) {
		246	my ($key) = @_;
		247
		248	# wait, to be sure we are not locked
		249	lock_wait $key;
		250
		251	$LOCK{$key} = [];
		252
		253	Coro::guard {
		254	# wake up all waiters, to be on the safe side
		255	$_->ready for @{ delete $LOCK{$key} };
		256	}
		257	}
		258
		259	sub freeze_mainloop {
		260	return unless $TICK_WATCHER->is_active;
		261
		262	my $guard = Coro::guard { $TICK_WATCHER->start };
		263	$TICK_WATCHER->stop;
		264	$guard
		265	}
		266
		267	=item cf::async { BLOCK }
		268
		269	Currently the same as Coro::async_pool, meaning you cannot use
		270	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		271	thing you are allowed to do is call C<prio> on it.
		272
		273	=cut
		274
		275	BEGIN { *async = \&Coro::async_pool }
185		276
186	=item cf::sync_job { BLOCK }	277	=item cf::sync_job { BLOCK }
187		278
188	The design of crossfire+ requires that the main coro ($Coro::main) is	279	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	280	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	294	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	295	# till the operation succeeds, freezing the server :/
205		296
206	# TODO: use suspend/resume instead	297	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	298	# (but this is cancel-safe)
208	local $FREEZE = 1;	299	my $freeze_guard = freeze_mainloop;
209		300
210	my $busy = 1;	301	my $busy = 1;
211	my @res;	302	my @res;
212		303
213	(Coro::async {	304	(async {
214	@res = eval { $job->() };	305	@res = eval { $job->() };
215	warn $@ if $@;	306	warn $@ if $@;
216	undef $busy;	307	undef $busy;
217	})->prio (Coro::PRIO_MAX);	308	})->prio (Coro::PRIO_MAX);
218		309
219	while ($busy) {	310	while ($busy) {
220	Coro::cede_notself;	311	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	312	}
223		313
224	wantarray ? @res : $res[0]	314	wantarray ? @res : $res[0]
225	} else {	315	} else {
226	# we are in another coroutine, how wonderful, everything just works	316	# we are in another coroutine, how wonderful, everything just works
227		317
228	$job->()	318	$job->()
229	}	319	}
230	}	320	}
231		321
232	=item $coro = cf::coro { BLOCK }	322	=item $coro = cf::async_ext { BLOCK }
233		323
234	Creates and returns a new coro. This coro is automcatially being canceled	324	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	325	extension calling this is being unloaded.
236		326
237	=cut	327	=cut
238		328
239	sub coro(&) {	329	sub async_ext(&) {
240	my $cb = shift;	330	my $cb = shift;
241		331
242	my $coro; $coro = async {	332	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		333
249	$coro->on_destroy (sub {	334	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	335	delete $EXT_CORO{$coro+0};
251	});	336	});
252	$EXT_CORO{$coro+0} = $coro;	337	$EXT_CORO{$coro+0} = $coro;
253		338
254	$coro	339	$coro
255	}	340	}
256		341
257	sub write_runtime {	342	sub write_runtime {
		343	return unless $TICK_WATCHER->is_active;
		344
258	my $runtime = cf::localdir . "/runtime";	345	my $runtime = cf::localdir . "/runtime";
259		346
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	348	or return;
262		349
…		…
277	}	364	}
278		365
279	=back	366	=back
280		367
281	=cut	368	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		369
403	#############################################################################	370	#############################################################################
404		371
405	=head2 ATTACHABLE OBJECTS	372	=head2 ATTACHABLE OBJECTS
406		373
…		…
853	=cut	820	=cut
854		821
855	sub register_extcmd {	822	sub register_extcmd {
856	my ($name, $cb) = @_;	823	my ($name, $cb) = @_;
857		824
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	825	$EXTCMD{$name} = $cb;
862	}	826	}
863		827
864	cf::player->attach (	828	cf::player->attach (
865	on_command => sub {	829	on_command => sub {
866	my ($pl, $name, $params) = @_;	830	my ($pl, $name, $params) = @_;
…		…
879		843
880	my $msg = eval { from_json $buf };	844	my $msg = eval { from_json $buf };
881		845
882	if (ref $msg) {	846	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	848	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	849	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	850	}
887	}	851	}
888	} else {	852	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		855
892	cf::override;	856	cf::override;
893	},	857	},
894	);	858	);
895		859
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	860	sub load_extension {
903	my ($path) = @_;	861	my ($path) = @_;
904		862
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	864	my $base = $1;
907	my $pkg = $1;	865	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	866	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	867	$pkg = "ext::$pkg";
910		868
911	warn "loading '$path' into '$pkg'\n";	869	warn "... loading '$path' into '$pkg'\n";
912		870
913	open my $fh, "<:utf8", $path	871	open my $fh, "<:utf8", $path
914	or die "$path: $!";	872	or die "$path: $!";
915		873
916	my $source =	874	my $source =
917	"package $pkg; use strict; use utf8;\n"	875	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	876	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	877	. (do { local $/; <$fh> })
920	. "\n};\n1";	878	. "\n};\n1";
921		879
922	eval $source	880	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	881	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	882	: "extension disabled.\n";
925		883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	884	warn $@;
927	$ext_pkg{$base} = $pkg;	885	warn "mandatory extension failed to load, exiting.\n";
928		886	exit 1;
929	# no strict 'refs';	887	}
930	# @{"$pkg\::ISA"} = ext::;	888	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	889	}
945		890
946	# remove commands	891	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	892	}
971		893
972	sub load_extensions {	894	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	895	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	896	next unless -r $ext;
…		…
992	};	914	};
993		915
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);	916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995		917
996	#############################################################################	918	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		919
1020	=head2 CORE EXTENSIONS	920	=head2 CORE EXTENSIONS
1021		921
1022	Functions and methods that extend core crossfire objects.	922	Functions and methods that extend core crossfire objects.
1023		923
		924	=cut
		925
		926	package cf::player;
		927
		928	use Coro::AIO;
		929
1024	=head3 cf::player	930	=head3 cf::player
1025		931
1026	=over 4	932	=over 4
1027		933
1028	=item cf::player::exists $login	934	=item cf::player::find $login
1029		935
1030	Returns true when the given account exists.	936	Returns the given player object, loading it if necessary (might block).
1031		937
1032	=cut	938	=cut
1033		939
1034	sub cf::player::exists($) {	940	sub playerdir($) {
1035	cf::player::find $_[0]	941	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	942	. "/"
		943	. cf::playerdir
		944	. "/"
		945	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		946	}
		947
		948	sub path($) {
		949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		950
		951	(playerdir $login) . "/$login.pl"
		952	}
		953
		954	sub find_active($) {
		955	$cf::PLAYER{$_[0]}
		956	and $cf::PLAYER{$_[0]}->active
		957	and $cf::PLAYER{$_[0]}
		958	}
		959
		960	sub exists($) {
		961	my ($login) = @_;
		962
		963	$cf::PLAYER{$login}
		964	or cf::sync_job { !aio_stat $login }
		965	}
		966
		967	sub find($) {
		968	return $cf::PLAYER{$_[0]} || do {
		969	my $login = $_[0];
		970
		971	my $guard = cf::lock_acquire "user_find:$login";
		972
		973	$cf::PLAYER{$_[0]} || do {
		974	my $pl = load_pl path $login
		975	or return;
		976	$cf::PLAYER{$login} = $pl
		977	}
		978	}
		979	}
		980
		981	sub save($) {
		982	my ($pl) = @_;
		983
		984	return if $pl->{deny_save};
		985
		986	my $path = path $pl;
		987	my $guard = cf::lock_acquire "user_save:$path";
		988
		989	return if $pl->{deny_save};
		990
		991	aio_mkdir playerdir $pl, 0770;
		992	$pl->{last_save} = $cf::RUNTIME;
		993
		994	$pl->save_pl ($path);
		995	Coro::cede;
		996	}
		997
		998	sub new($) {
		999	my ($login) = @_;
		1000
		1001	my $self = create;
		1002
		1003	$self->ob->name ($login);
		1004	$self->{deny_save} = 1;
		1005
		1006	$cf::PLAYER{$login} = $self;
		1007
		1008	$self
		1009	}
		1010
		1011	=item $pl->quit_character
		1012
		1013	Nukes the player without looking back. If logged in, the connection will
		1014	be destroyed. May block for a long time.
		1015
		1016	=cut
		1017
		1018	sub quit_character {
		1019	my ($pl) = @_;
		1020
		1021	$pl->{deny_save} = 1;
		1022	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1023
		1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1025	$pl->deactivate;
		1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1027	$pl->ns->destroy if $pl->ns;
		1028
		1029	my $path = playerdir $pl;
		1030	my $temp = "$path~$cf::RUNTIME~deleting~";
		1031	aio_rename $path, $temp;
		1032	delete $cf::PLAYER{$pl->ob->name};
		1033	$pl->destroy;
		1034	IO::AIO::aio_rmtree $temp;
		1035	}
		1036
		1037	=item cf::player::list_logins
		1038
		1039	Returns am arrayref of all valid playernames in the system, can take a
		1040	while and may block, so not sync_job-capable, ever.
		1041
		1042	=cut
		1043
		1044	sub list_logins {
		1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1046	or return [];
		1047
		1048	my @logins;
		1049
		1050	for my $login (@$dirs) {
		1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1052	aio_read $fh, 0, 512, my $buf, 0 or next;
		1053	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1054
		1055	utf8::decode $login;
		1056	push @logins, $login;
		1057	}
		1058
		1059	\@logins
		1060	}
		1061
		1062	=item $player->maps
		1063
		1064	Returns an arrayref of map paths that are private for this
		1065	player. May block.
		1066
		1067	=cut
		1068
		1069	sub maps($) {
		1070	my ($pl) = @_;
		1071
		1072	my $files = aio_readdir playerdir $pl
		1073	or return;
		1074
		1075	my @paths;
		1076
		1077	for (@$files) {
		1078	utf8::decode $_;
		1079	next if /\.(?:pl|pst)$/;
		1080	next unless /^$PATH_SEP/o;
		1081
		1082	push @paths, "~" . $pl->ob->name . "/" . $_;
		1083	}
		1084
		1085	\@paths
1037	}	1086	}
1038		1087
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1088	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1089
1041	Sends an ext reply to the player.	1090	Sends an ext reply to the player.
1042		1091
1043	=cut	1092	=cut
1044		1093
1045	sub cf::player::ext_reply($$$%) {	1094	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1095	my ($self, $id, %msg) = @_;
1047		1096
1048	$msg{msgid} = $id;	1097	$msg{msgid} = $id;
1049		1098
1050	$self->send ("ext " . to_json \%msg);	1099	$self->send ("ext " . cf::to_json \%msg);
1051	}	1100	}
		1101
		1102	package cf;
1052		1103
1053	=back	1104	=back
1054		1105
1055		1106
1056	=head3 cf::map	1107	=head3 cf::map
…		…
1062	package cf::map;	1113	package cf::map;
1063		1114
1064	use Fcntl;	1115	use Fcntl;
1065	use Coro::AIO;	1116	use Coro::AIO;
1066		1117
		1118	use overload
		1119	'""' => \&as_string;
		1120
1067	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1069		1123
1070	sub generate_random_map {	1124	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1072		1126
1073	# mit "rum" bekleckern, nicht	1127	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1128	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1132	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1133	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1136	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1137	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1139	(cf::region::find $rmp->{region}), $rmp->{custom}
		1140	)
		1141	}
		1142
		1143	sub register {
		1144	my (undef, $regex) = @_;
		1145	my $pkg = caller;
		1146
		1147	no strict;
		1148	push @{"$pkg\::ISA"}, __PACKAGE__;
		1149
		1150	$EXT_MAP{$pkg} = qr<$regex>;
		1151	}
		1152
		1153	# also paths starting with '/'
		1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1155
		1156	sub normalise {
		1157	my ($path, $base) = @_;
		1158
		1159	# map plan:
		1160	#
		1161	# /! non-realised random map exit (special hack!)
		1162	# {... are special paths that are not being touched
		1163	# ?xxx/... are special absolute paths
		1164	# ?random/... random maps
		1165	# /... normal maps
		1166	# ~user/... per-player map of a specific user
		1167
		1168	$path =~ s/$PATH_SEP/\//go;
		1169
		1170	# treat it as relative path if it starts with
		1171	# something that looks reasonable
		1172	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1173	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1174
		1175	$base =~ s{[^/]+/?$}{};
		1176	$path = "$base/$path";
		1177	}
		1178
		1179	for ($path) {
		1180	redo if s{//}{/};
		1181	redo if s{/\.?/}{/};
		1182	redo if s{/[^/]+/\.\./}{/};
		1183	}
		1184
		1185	$path
		1186	}
		1187
		1188	sub new_from_path {
		1189	my (undef, $path, $base) = @_;
		1190
		1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1192
		1193	$path = normalise $path, $base;
		1194
		1195	for my $pkg (keys %EXT_MAP) {
		1196	if ($path =~ $EXT_MAP{$pkg}) {
		1197	my $self = bless cf::map::new, $pkg;
		1198	$self->{path} = $path; $self->path ($path);
		1199	$self->init; # pass $1 etc.
		1200	return $self;
		1201	}
		1202	}
		1203
		1204	Carp::carp "unable to resolve path '$path'.";
		1205	()
		1206	}
		1207
		1208	sub init {
		1209	my ($self) = @_;
		1210
		1211	$self
		1212	}
		1213
		1214	sub as_string {
		1215	my ($self) = @_;
		1216
		1217	"$self->{path}"
		1218	}
		1219
		1220	# the displayed name, this is a one way mapping
		1221	sub visible_name {
		1222	&as_string
		1223	}
		1224
		1225	# escape the /'s in the path
		1226	sub _escaped_path {
		1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1228
		1229	$path
		1230	}
		1231
		1232	# the original (read-only) location
		1233	sub load_path {
		1234	my ($self) = @_;
		1235
		1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1237	}
		1238
		1239	# the temporary/swap location
		1240	sub save_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path
		1244	}
		1245
		1246	# the unique path, undef == no special unique path
		1247	sub uniq_path {
		1248	my ($self) = @_;
		1249
		1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
1087	}	1251	}
1088		1252
1089	# and all this just because we cannot iterate over	1253	# and all this just because we cannot iterate over
1090	# all maps in C++...	1254	# all maps in C++...
1091	sub change_all_map_light {	1255	sub change_all_map_light {
1092	my ($change) = @_;	1256	my ($change) = @_;
1093		1257
1094	$_->change_map_light ($change) for values %cf::MAP;	1258	$_->change_map_light ($change)
		1259	for grep $_->outdoor, values %cf::MAP;
1095	}	1260	}
1096		1261
		1262	sub unlink_save {
		1263	my ($self) = @_;
		1264
		1265	utf8::encode (my $save = $self->save_path);
		1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
		1268	}
		1269
1097	sub try_load_header($) {	1270	sub load_header_from($) {
1098	my ($path) = @_;	1271	my ($self, $path) = @_;
1099		1272
1100	utf8::encode $path;	1273	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1274	aio_open $path, O_RDONLY, 0
1102	or return;	1275	or return;
1103		1276
1104	my $map = cf::map::new	1277	$self->_load_header ($path)
1105	or return;	1278	or return;
1106		1279
1107	$map->load_header ($path)	1280	$self->{load_path} = $path;
		1281
		1282	1
		1283	}
		1284
		1285	sub load_orig {
		1286	my ($self) = @_;
		1287
		1288	$self->load_header_from ($self->load_path)
		1289	}
		1290
		1291	sub load_temp {
		1292	my ($self) = @_;
		1293
		1294	$self->load_header_from ($self->save_path)
		1295	}
		1296
		1297	sub load_header {
		1298	my ($self) = @_;
		1299
		1300	if ($self->load_temp) {
		1301	$self->last_access ((delete $self->{last_access})
		1302	|| $cf::RUNTIME); #d#
		1303	# safety
		1304	$self->{instantiate_time} = $cf::RUNTIME
		1305	if $self->{instantiate_time} > $cf::RUNTIME;
		1306	} else {
		1307	$self->load_orig
1108	or return;	1308	or return;
1109		1309
1110	$map->{load_path} = $path;	1310	$self->{load_original} = 1;
		1311	$self->{instantiate_time} = $cf::RUNTIME;
		1312	$self->last_access ($cf::RUNTIME);
		1313	$self->instantiate;
		1314	}
1111		1315
1112	$map	1316	1
1113	}	1317	}
1114		1318
		1319	sub find;
1115	sub find_map {	1320	sub find {
1116	my ($path, $origin) = @_;	1321	my ($path, $origin) = @_;
1117		1322
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1323	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1324
		1325	cf::lock_wait "map_find:$path";
		1326
1123	$cf::MAP{$key} || do {	1327	$cf::MAP{$path} || do {
1124	# do it the slow way	1328	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1329	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1330	or return;
1139		1331
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1332	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);	1333
		1334	$map->load_header
		1335	or return;
1153		1336
1154	if ($map->should_reset) {	1337	if ($map->should_reset) {
1155	$map->reset;	1338	$map->reset;
		1339	undef $guard;
1156	$map = find_map $path;	1340	$map = find $path
		1341	or return;
1157	}	1342	}
1158		1343
1159	$cf::MAP{$key} = $map	1344	$cf::MAP{$path} = $map
1160	}	1345	}
1161	}	1346	}
1162		1347
1163	sub load {	1348	sub load {
1164	my ($self) = @_;	1349	my ($self) = @_;
1165		1350
		1351	my $path = $self->{path};
		1352	my $guard = cf::lock_acquire "map_load:$path";
		1353
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1354	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1355
1168	$self->in_memory (cf::MAP_LOADING);	1356	$self->in_memory (cf::MAP_LOADING);
1169		1357
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1358	$self->alloc;
1173	$self->load_objects ($self->{load_path}, 1)	1359	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1360	or return;
1175		1361
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1363	if delete $self->{load_original};
1178		1364
1179	if (my $uniq = $path->uniq_path) {	1365	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1366	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1367	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1368	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1369	$self->_load_objects ($uniq, 0);
1184	}	1370	}
1185	}	1371	}
		1372
		1373	Coro::cede;
1186		1374
1187	# now do the right thing for maps	1375	# now do the right thing for maps
1188	$self->link_multipart_objects;	1376	$self->link_multipart_objects;
1189		1377
1190	if ($self->{path}->is_style_map) {	1378	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1379	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1380	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1381	$self->update_buttons;
		1382	Coro::cede;
1197	$self->set_darkness_map;	1383	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1384	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1385	unless $self->difficulty;
		1386	Coro::cede;
1200	$self->activate;	1387	$self->activate;
1201	}	1388	}
1202		1389
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1390	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1391	}
1205		1392
1206	sub load_map_sync {	1393	sub customise_for {
		1394	my ($self, $ob) = @_;
		1395
		1396	return find "~" . $ob->name . "/" . $self->{path}
		1397	if $self->per_player;
		1398
		1399	$self
		1400	}
		1401
		1402	# find and load all maps in the 3x3 area around a map
		1403	sub load_diag {
		1404	my ($map) = @_;
		1405
		1406	my @diag; # diagonal neighbours
		1407
		1408	for (0 .. 3) {
		1409	my $neigh = $map->tile_path ($_)
		1410	or next;
		1411	$neigh = find $neigh, $map
		1412	or next;
		1413	$neigh->load;
		1414
		1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1417	}
		1418
		1419	for (@diag) {
		1420	my $neigh = find @$_
		1421	or next;
		1422	$neigh->load;
		1423	}
		1424	}
		1425
		1426	sub find_sync {
1207	my ($path, $origin) = @_;	1427	my ($path, $origin) = @_;
1208		1428
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1429	cf::sync_job { find $path, $origin }
		1430	}
1210		1431
1211	cf::sync_job {	1432	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1433	my ($map) = @_;
		1434
		1435	cf::sync_job { $map->load };
		1436	}
		1437
		1438	our %MAP_PREFETCH;
		1439	our $MAP_PREFETCHER = Coro::async {
		1440	while () {
		1441	for my $path (keys %MAP_PREFETCH) {
		1442	my $map = find $path
1213	or return;	1443	or next;
1214	$map->load;	1444	$map->load;
1215	$map	1445
		1446	delete $MAP_PREFETCH{$path};
		1447	}
		1448	Coro::schedule;
1216	}	1449	}
		1450	};
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	$MAP_PREFETCH{$path} = 0;
		1462	$MAP_PREFETCHER->ready;
		1463
		1464	()
1217	}	1465	}
1218		1466
1219	sub save {	1467	sub save {
1220	my ($self) = @_;	1468	my ($self) = @_;
1221		1469
		1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1471
1222	$self->{last_save} = $cf::RUNTIME;	1472	$self->{last_save} = $cf::RUNTIME;
1223		1473
1224	return unless $self->dirty;	1474	return unless $self->dirty;
1225		1475
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1476	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1477	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1478
1229	$self->{load_path} = $save;	1479	$self->{load_path} = $save;
1230		1480
1231	return if $self->{deny_save};	1481	return if $self->{deny_save};
1232		1482
		1483	local $self->{last_access} = $self->last_access;#d#
		1484
		1485	cf::async {
		1486	$_->contr->save for $self->players;
		1487	};
		1488
1233	if ($uniq) {	1489	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1492	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1494	}
1239	}	1495	}
1240		1496
1241	sub swap_out {	1497	sub swap_out {
1242	my ($self) = @_;	1498	my ($self) = @_;
		1499
		1500	# save first because save cedes
		1501	$self->save;
		1502
		1503	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1504
1244	return if $self->players;	1505	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1506	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1507	return if $self->{deny_save};
1247		1508
1248	$self->save;
1249	$self->clear;	1509	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1510	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1511	}
1252		1512
1253	sub reset_at {	1513	sub reset_at {
1254	my ($self) = @_;	1514	my ($self) = @_;
1255		1515
1256	# TODO: safety, remove and allow resettable per-player maps	1516	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1517	return 1e99 if $self->isa ("ext::map_per_player");
1258	return 1e99 if $self->{deny_reset};	1518	return 1e99 if $self->{deny_reset};
1259		1519
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1522
…		…
1267	my ($self) = @_;	1527	my ($self) = @_;
1268		1528
1269	$self->reset_at <= $cf::RUNTIME	1529	$self->reset_at <= $cf::RUNTIME
1270	}	1530	}
1271		1531
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {	1532	sub rename {
1281	my ($self, $new_path) = @_;	1533	my ($self, $new_path) = @_;
1282		1534
		1535	normalise $new_path;
		1536
1283	$self->unlink_save;	1537	$self->unlink_save;
1284		1538
1285	delete $cf::MAP{$self->path};	1539	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;	1540	$self->{path} = $new_path; $self->path ($self->{path});
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;	1541	$cf::MAP{$self->path} = $self;
1289		1542
1290	$self->save;	1543	$self->save;
1291	}	1544	}
1292		1545
1293	sub reset {	1546	sub reset {
1294	my ($self) = @_;	1547	my ($self) = @_;
1295		1548
		1549	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1550
1296	return if $self->players;	1551	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1552	return if $self->isa ("ext::map_per_player");#d#
1298		1553
1299	warn "resetting map ", $self->path;#d#	1554	warn "resetting map ", $self->path;#d#
1300		1555
1301	delete $cf::MAP{$self->path};	1556	delete $cf::MAP{$self->path};
1302		1557
…		…
1315	$self->reset_timeout (1);	1570	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1571	$self->rename ("{nuke}/" . ($nuke_counter++));
1317	$self->reset; # polite request, might not happen	1572	$self->reset; # polite request, might not happen
1318	}	1573	}
1319		1574
1320	sub customise_for {	1575	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1576
1323	if ($map->per_player) {	1577	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1578	instantiated unique items. May block.
1325	}
1326		1579
1327	$map	1580	=cut
1328	}
1329		1581
1330	sub emergency_save {	1582	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1584	or return;
1332		1585
1333	warn "enter emergency map save\n";	1586	my @paths;
1334		1587
1335	cf::sync_job {	1588	for (@$files) {
1336	warn "begin emergency map save\n";	1589	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1590	next if /\.pst$/;
		1591	next unless /^$PATH_SEP/o;
		1592
		1593	push @paths, $_;
1338	};	1594	}
1339		1595
1340	warn "end emergency map save\n";	1596	\@paths
1341	}	1597	}
1342		1598
1343	package cf;	1599	package cf;
1344		1600
1345	=back	1601	=back
1346		1602
		1603	=head3 cf::object
		1604
		1605	=cut
		1606
		1607	package cf::object;
		1608
		1609	=over 4
		1610
		1611	=item $ob->inv_recursive
		1612
		1613	Returns the inventory of the object _and_ their inventories, recursively.
		1614
		1615	=cut
		1616
		1617	sub inv_recursive_;
		1618	sub inv_recursive_ {
		1619	map { $_, inv_recursive_ $_->inv } @_
		1620	}
		1621
		1622	sub inv_recursive {
		1623	inv_recursive_ inv $_[0]
		1624	}
		1625
		1626	package cf;
		1627
		1628	=back
1347		1629
1348	=head3 cf::object::player	1630	=head3 cf::object::player
1349		1631
1350	=over 4	1632	=over 4
1351		1633
…		…
1391		1673
1392	=item $player_object->enter_link	1674	=item $player_object->enter_link
1393		1675
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1676	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1677
1396	The player should be reaosnably safe there for short amounts of time. You	1678	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1679	I<MUST> call C<leave_link> as soon as possible, though.
1398		1680
		1681	Will never block.
		1682
1399	=item $player_object->leave_link ($map, $x, $y)	1683	=item $player_object->leave_link ($map, $x, $y)
1400		1684
1401	Moves the player out of the specila link map onto the given map. If the	1685	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1686	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1687	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1688	fails, to the emergency map position.
1405		1689
1406	Might block.	1690	Might block.
1407		1691
1408	=cut	1692	=cut
		1693
		1694	sub link_map {
		1695	unless ($LINK_MAP) {
		1696	$LINK_MAP = cf::map::find "{link}"
		1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1698	$LINK_MAP->load;
		1699	}
		1700
		1701	$LINK_MAP
		1702	}
1409		1703
1410	sub cf::object::player::enter_link {	1704	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1705	my ($self) = @_;
1412		1706
1413	return if $self->map == $LINK_MAP;	1707	$self->deactivate_recursive;
1414		1708
		1709	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1710
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1712	if $self->map;
1417		1713
1418	$self->enter_map ($LINK_MAP, 20, 20);	1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1419	$self->deactivate_recursive;
1420	}	1715	}
1421		1716
1422	sub cf::object::player::leave_link {	1717	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1718	my ($self, $map, $x, $y) = @_;
1424		1719
1425	my $link_pos = delete $self->{_link_pos};	1720	my $link_pos = delete $self->{_link_pos};
1426		1721
1427	unless ($map) {	1722	unless ($map) {
1428	# restore original map position	1723	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1724	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1725	$map = cf::map::find $map;
1431		1726
1432	unless ($map) {	1727	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1728	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1729	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1730	or die "FATAL: cannot load emergency map\n";
1436	}	1731	}
1437	}	1732	}
1438		1733
1439	($x, $y) = (-1, -1)	1734	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1445		1740
1446	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1447		1743
		1744	return unless $self->contr->active;
1448	$self->activate_recursive;	1745	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1450	}	1747	}
1451		1748
		1749	cf::player->attach (
		1750	on_logout => sub {
		1751	my ($pl) = @_;
		1752
		1753	# abort map switching before logout
		1754	if ($pl->ob->{_link_pos}) {
		1755	cf::sync_job {
		1756	$pl->ob->leave_link
		1757	};
		1758	}
		1759	},
		1760	on_login => sub {
		1761	my ($pl) = @_;
		1762
		1763	# try to abort aborted map switching on player login :)
		1764	# should happen only on crashes
		1765	if ($pl->ob->{_link_pos}) {
		1766	$pl->ob->enter_link;
		1767	(async {
		1768	# we need this sleep as the login has a concurrent enter_exit running
		1769	# and this sleep increases chances of the player not ending up in scorn
		1770	$pl->ob->reply (undef,
		1771	"There was an internal problem at your last logout, "
		1772	. "the server will try to bring you to your intended destination in a second.",
		1773	cf::NDI_RED);
		1774	Coro::Timer::sleep 1;
		1775	$pl->ob->leave_link;
		1776	})->prio (2);
		1777	}
		1778	},
		1779	);
		1780
1452	=item $player_object->goto_map ($path, $x, $y)	1781	=item $player_object->goto ($path, $x, $y)
1453		1782
1454	=cut	1783	=cut
1455		1784
1456	sub cf::object::player::goto_map {	1785	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1458		1787
1459	$self->enter_link;	1788	$self->enter_link;
1460		1789
1461	(Coro::async {	1790	(async {
1462	$path = new cf::path $path;
1463
1464	my $map = cf::map::find_map $path->as_string;	1791	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1792	$map = $map->customise_for ($self) if $map;
1466		1793
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1794	# warn "entering ", $map->path, " at ($x, $y)\n"
1468	# if $map;	1795	# if $map;
1469		1796
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1798
1472	$self->leave_link ($map, $x, $y);	1799	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1800	})->prio (1);
1474	}	1801	}
1475		1802
…		…
1528		1855
1529	return unless $self->type == cf::PLAYER;	1856	return unless $self->type == cf::PLAYER;
1530		1857
1531	$self->enter_link;	1858	$self->enter_link;
1532		1859
1533	(Coro::async {	1860	(async {
		1861	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1862	unless (eval {
1535
1536	prepare_random_map $exit	1863	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	1864	if $exit->slaying eq "/!";
1538		1865
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1541		1868
1542	1;	1869	1;
1543	}) {	1870	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1871	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1872	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1873	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1874	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1875
1549	warn "ERROR in enter_exit: $@";	1876	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1877	$self->leave_link;
1551	}	1878	}
…		…
1602	on_reply => sub {	1929	on_reply => sub {
1603	my ($ns, $msg) = @_;	1930	my ($ns, $msg) = @_;
1604		1931
1605	# this weird shuffling is so that direct followup queries	1932	# this weird shuffling is so that direct followup queries
1606	# get handled first	1933	# get handled first
1607	my $queue = delete $ns->{query_queue};	1934	my $queue = delete $ns->{query_queue}
		1935	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1936
1609	(shift @$queue)->[1]->($msg);	1937	(shift @$queue)->[1]->($msg);
1610		1938
1611	push @{ $ns->{query_queue} }, @$queue;	1939	push @{ $ns->{query_queue} }, @$queue;
1612		1940
…		…
1618	}	1946	}
1619	}	1947	}
1620	},	1948	},
1621	);	1949	);
1622		1950
1623	=item $client->coro (\&cb)	1951	=item $client->async (\&cb)
1624		1952
1625	Create a new coroutine, running the specified callback. The coroutine will	1953	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	1954	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	1955	or loss of connection).
1628		1956
1629	=cut	1957	=cut
1630		1958
1631	sub cf::client::coro {	1959	sub cf::client::async {
1632	my ($self, $cb) = @_;	1960	my ($self, $cb) = @_;
1633		1961
1634	my $coro; $coro = async {	1962	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		1963
1641	$coro->on_destroy (sub {	1964	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	1965	delete $self->{_coro}{$coro+0};
1643	});	1966	});
1644		1967
…		…
1816		2139
1817	{	2140	{
1818	my $path = cf::localdir . "/database.pst";	2141	my $path = cf::localdir . "/database.pst";
1819		2142
1820	sub db_load() {	2143	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2144	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2145	}
1824		2146
1825	my $pid;	2147	my $pid;
1826		2148
1827	sub db_save() {	2149	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2150	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2151	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2152	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2153	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2154	rename "$path~", $path;
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2202	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2203	or return;
1883		2204
1884	local $/;	2205	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2206	*CFG = YAML::Syck::Load <$fh>;
		2207
		2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2209
		2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2212
		2213	if (exists $CFG{mlockall}) {
		2214	eval {
		2215	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2216	and die "WARNING: m(un)lockall failed: $!\n";
		2217	};
		2218	warn $@ if $@;
		2219	}
1886	}	2220	}
1887		2221
1888	sub main {	2222	sub main {
1889	# we must not ever block the main coroutine	2223	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2224	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {
1893	Event::one_event;	2226	async { Event::one_event };
1894	})->();
1895	};	2227	};
1896		2228
1897	cfg_load;	2229	cfg_load;
1898	db_load;	2230	db_load;
1899	load_extensions;	2231	load_extensions;
1900	Event::loop;	2232	Event::loop;
1901	}	2233	}
1902		2234
1903	#############################################################################	2235	#############################################################################
1904	# initialisation	2236	# initialisation and cleanup
		2237
		2238	# install some emergency cleanup handlers
		2239	BEGIN {
		2240	for my $signal (qw(INT HUP TERM)) {
		2241	Event->signal (
		2242	data => WF_AUTOCANCEL,
		2243	signal => $signal,
		2244	cb => sub {
		2245	cf::cleanup "SIG$signal";
		2246	},
		2247	);
		2248	}
		2249	}
		2250
		2251	sub emergency_save() {
		2252	my $freeze_guard = cf::freeze_mainloop;
		2253
		2254	warn "enter emergency perl save\n";
		2255
		2256	cf::sync_job {
		2257	# use a peculiar iteration method to avoid tripping on perl
		2258	# refcount bugs in for. also avoids problems with players
		2259	# and maps saved/Destroyed asynchronously.
		2260	warn "begin emergency player save\n";
		2261	for my $login (keys %cf::PLAYER) {
		2262	my $pl = $cf::PLAYER{$login} or next;
		2263	$pl->valid or next;
		2264	$pl->save;
		2265	}
		2266	warn "end emergency player save\n";
		2267
		2268	warn "begin emergency map save\n";
		2269	for my $path (keys %cf::MAP) {
		2270	my $map = $cf::MAP{$path} or next;
		2271	$map->valid or next;
		2272	$map->save;
		2273	}
		2274	warn "end emergency map save\n";
		2275	};
		2276
		2277	warn "leave emergency perl save\n";
		2278	}
1905		2279
1906	sub reload() {	2280	sub reload() {
1907	# can/must only be called in main	2281	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2282	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2283	warn "can only reload from main coroutine\n";
1910	return;	2284	return;
1911	}	2285	}
1912		2286
1913	warn "reloading...";	2287	warn "reloading...";
1914		2288
1915	local $FREEZE = 1;	2289	warn "freezing server";
		2290	my $guard = freeze_mainloop;
1916	cf::emergency_save;	2291	cf::emergency_save;
		2292
		2293	warn "sync database to disk";
		2294	cf::db_sync;
		2295	IO::AIO::flush;
1917		2296
1918	eval {	2297	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2298	# if anything goes wrong in here, we should simply crash as we already saved
1920		2299
1921	# cancel all watchers	2300	warn "cancel all watchers";
1922	for (Event::all_watchers) {	2301	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2302	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2303	}
1925		2304
1926	# cancel all extension coros	2305	warn "cancel all extension coros";
1927	$_->cancel for values %EXT_CORO;	2306	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2307	%EXT_CORO = ();
1929		2308
		2309	warn "remove commands";
		2310	%COMMAND = ();
		2311
		2312	warn "remove ext commands";
		2313	%EXTCMD = ();
		2314
1930	# unload all extensions	2315	warn "unload/nuke all extensions";
1931	for (@exts) {	2316	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2317	warn "... unloading $pkg";
1933	unload_extension $_;	2318
		2319	if (my $cb = $pkg->can ("unload")) {
		2320	eval {
		2321	$cb->($pkg);
		2322	1
		2323	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2324	}
1935		2325
		2326	warn "... nuking $pkg";
		2327	Symbol::delete_package $pkg;
		2328	}
		2329
1936	# unload all modules loaded from $LIBDIR	2330	warn "unload all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2331	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2333
1940	warn "removing <$k>";	2334	warn "removing <$k>";
1941	delete $INC{$k};	2335	delete $INC{$k};
…		…
1948	}	2342	}
1949		2343
1950	Symbol::delete_package $k;	2344	Symbol::delete_package $k;
1951	}	2345	}
1952		2346
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2347	warn "get rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2348	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2350
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2351	warn "unload cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2352	delete $INC{"cf.pm"};
1966		2353
1967	# don't, removes xs symbols, too,	2354	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2355	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2356	#Symbol::delete_package __PACKAGE__;
1970		2357
1971	# reload cf.pm
1972	warn "reloading cf.pm";	2358	warn "reloading cf.pm";
1973	require cf;	2359	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2361
1976	# load config and database again	2362	warn "load config and database again";
1977	cf::cfg_load;	2363	cf::cfg_load;
1978	cf::db_load;	2364	cf::db_load;
1979		2365
1980	# load extensions
1981	warn "load extensions";	2366	warn "load extensions";
1982	cf::load_extensions;	2367	cf::load_extensions;
1983		2368
1984	# reattach attachments to objects	2369	warn "reattach attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2370	_global_reattach;
		2371	warn "reattach attachments to maps";
		2372	reattach $_ for values %MAP;
1987	};	2373	};
1988		2374
1989	if ($@) {	2375	if ($@) {
1990	warn $@;	2376	warn $@;
1991	warn "error while reloading, exiting.";	2377	warn "error while reloading, exiting.";
1992	exit 1;	2378	exit 1;
1993	}	2379	}
1994		2380
1995	warn "reloaded successfully";	2381	warn "reloaded";
1996	};	2382	};
1997
1998	#############################################################################
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2383
2043	register_command "reload" => sub {	2384	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2385	my ($who, $arg) = @_;
2045		2386
2046	if ($who->flag (FLAG_WIZ)) {	2387	if ($who->flag (FLAG_WIZ)) {
…		…
2056	reentrant => 0,	2397	reentrant => 0,
2057	prio => 0,	2398	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2399	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2400	data => WF_AUTOCANCEL,
2060	cb => sub {	2401	cb => sub {
2061	unless ($FREEZE) {	2402	$NOW = Event::time;
		2403
2062	cf::server_tick; # one server iteration	2404	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2405	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2406	$NEXT_TICK += $TICK;
		2407
		2408	$WAIT_FOR_TICK->broadcast;
		2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2067		2410
2068	# if we are delayed by four ticks or more, skip them all	2411	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2413
2071	$TICK_WATCHER->at ($NEXT_TICK);	2414	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2093	or warn "ERROR: unable to write runtime file: $!";	2436	or warn "ERROR: unable to write runtime file: $!";
2094	})->();	2437	})->();
2095	},	2438	},
2096	);	2439	);
2097		2440
		2441	END { cf::emergency_save }
		2442
2098	1	2443	1
2099		2444

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