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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 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 { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		369
393	#############################################################################	370	#############################################################################
394		371
395	=head2 ATTACHABLE OBJECTS	372	=head2 ATTACHABLE OBJECTS
396		373
…		…
804	or return;	781	or return;
805		782
806	unless (aio_stat "$filename.pst") {	783	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	784	(aio_load "$filename.pst", $av) >= 0
808	or return;	785	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	786	$av = eval { (Storable::thaw $av)->{objs} };
810	}	787	}
811		788
		789	warn sprintf "loading %s (%d)\n",
		790	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	791	return ($data, $av);
813	}	792	}
814		793
815	#############################################################################	794	#############################################################################
816	# command handling &c	795	# command handling &c
…		…
841	=cut	820	=cut
842		821
843	sub register_extcmd {	822	sub register_extcmd {
844	my ($name, $cb) = @_;	823	my ($name, $cb) = @_;
845		824
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	825	$EXTCMD{$name} = $cb;
850	}	826	}
851		827
852	cf::player->attach (	828	cf::player->attach (
853	on_command => sub {	829	on_command => sub {
854	my ($pl, $name, $params) = @_;	830	my ($pl, $name, $params) = @_;
…		…
867		843
868	my $msg = eval { from_json $buf };	844	my $msg = eval { from_json $buf };
869		845
870	if (ref $msg) {	846	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	848	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	849	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	850	}
875	}	851	}
876	} else {	852	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		855
880	cf::override;	856	cf::override;
881	},	857	},
882	);	858	);
883		859
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	860	sub load_extension {
891	my ($path) = @_;	861	my ($path) = @_;
892		862
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	864	my $base = $1;
895	my $pkg = $1;	865	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	866	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	867	$pkg = "ext::$pkg";
898		868
899	warn "loading '$path' into '$pkg'\n";	869	warn "... loading '$path' into '$pkg'\n";
900		870
901	open my $fh, "<:utf8", $path	871	open my $fh, "<:utf8", $path
902	or die "$path: $!";	872	or die "$path: $!";
903		873
904	my $source =	874	my $source =
905	"package $pkg; use strict; use utf8;\n"	875	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	876	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	877	. (do { local $/; <$fh> })
908	. "\n};\n1";	878	. "\n};\n1";
909		879
910	eval $source	880	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	881	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	882	: "extension disabled.\n";
913		883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	884	warn $@;
915	$ext_pkg{$base} = $pkg;	885	warn "mandatory extension failed to load, exiting.\n";
916		886	exit 1;
917	# no strict 'refs';	887	}
918	# @{"$pkg\::ISA"} = ext::;	888	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	889	}
933		890
934	# remove commands	891	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	892	}
959		893
960	sub load_extensions {	894	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	895	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	896	next unless -r $ext;
…		…
980	};	914	};
981		915
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);	916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983		917
984	#############################################################################	918	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		919
1008	=head2 CORE EXTENSIONS	920	=head2 CORE EXTENSIONS
1009		921
1010	Functions and methods that extend core crossfire objects.	922	Functions and methods that extend core crossfire objects.
1011		923
		924	=cut
		925
		926	package cf::player;
		927
		928	use Coro::AIO;
		929
1012	=head3 cf::player	930	=head3 cf::player
1013		931
1014	=over 4	932	=over 4
1015		933
1016	=item cf::player::exists $login	934	=item cf::player::find $login
1017		935
1018	Returns true when the given account exists.	936	Returns the given player object, loading it if necessary (might block).
1019		937
1020	=cut	938	=cut
1021		939
1022	sub cf::player::exists($) {	940	sub playerdir($) {
1023	cf::player::find $_[0]	941	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1025	}	1086	}
1026		1087
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1088	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1089
1029	Sends an ext reply to the player.	1090	Sends an ext reply to the player.
1030		1091
1031	=cut	1092	=cut
1032		1093
1033	sub cf::player::ext_reply($$$%) {	1094	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1095	my ($self, $id, %msg) = @_;
1035		1096
1036	$msg{msgid} = $id;	1097	$msg{msgid} = $id;
1037		1098
1038	$self->send ("ext " . to_json \%msg);	1099	$self->send ("ext " . cf::to_json \%msg);
1039	}	1100	}
		1101
		1102	package cf;
1040		1103
1041	=back	1104	=back
1042		1105
1043		1106
1044	=head3 cf::map	1107	=head3 cf::map
…		…
1050	package cf::map;	1113	package cf::map;
1051		1114
1052	use Fcntl;	1115	use Fcntl;
1053	use Coro::AIO;	1116	use Coro::AIO;
1054		1117
		1118	use overload
		1119	'""' => \&as_string;
		1120
1055	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1057		1123
1058	sub generate_random_map {	1124	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1060		1126
1061	# mit "rum" bekleckern, nicht	1127	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1128	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1132	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1133	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1136	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$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},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(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, $self->_escaped_path
1075	}	1251	}
1076		1252
1077	# and all this just because we cannot iterate over	1253	# and all this just because we cannot iterate over
1078	# all maps in C++...	1254	# all maps in C++...
1079	sub change_all_map_light {	1255	sub change_all_map_light {
1080	my ($change) = @_;	1256	my ($change) = @_;
1081		1257
1082	$_->change_map_light ($change) for values %cf::MAP;	1258	$_->change_map_light ($change)
		1259	for grep $_->outdoor, values %cf::MAP;
1083	}	1260	}
1084		1261
		1262	sub unlink_save {
		1263	my ($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
1085	sub try_load_header($) {	1270	sub load_header_from($) {
1086	my ($path) = @_;	1271	my ($self, $path) = @_;
1087		1272
1088	utf8::encode $path;	1273	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1274	aio_open $path, O_RDONLY, 0
1090	or return;	1275	or return;
1091		1276
1092	my $map = cf::map::new	1277	$self->_load_header ($path)
1093	or return;	1278	or return;
1094		1279
1095	$map->load_header ($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
1096	or return;	1308	or return;
1097		1309
1098	$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	}
1099		1315
1100	$map	1316	1
1101	}	1317	}
1102		1318
		1319	sub find;
1103	sub find_map {	1320	sub find {
1104	my ($path, $origin) = @_;	1321	my ($path, $origin) = @_;
1105		1322
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1323	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1324
		1325	cf::lock_wait "map_find:$path";
		1326
1111	$cf::MAP{$key} || do {	1327	$cf::MAP{$path} || do {
1112	# do it the slow way	1328	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1329	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1330	or return;
1127		1331
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1332	$map->{last_save} = $cf::RUNTIME;
		1333
		1334	$map->load_header
		1335	or return;
1139		1336
1140	if ($map->should_reset) {	1337	if ($map->should_reset) {
1141	$map->reset;	1338	$map->reset;
		1339	undef $guard;
1142	$map = find_map $path;	1340	$map = find $path
		1341	or return;
1143	}	1342	}
1144		1343
1145	$cf::MAP{$key} = $map	1344	$cf::MAP{$path} = $map
1146	}	1345	}
1147	}	1346	}
1148		1347
1149	sub load {	1348	sub load {
1150	my ($self) = @_;	1349	my ($self) = @_;
1151		1350
		1351	my $path = $self->{path};
		1352	my $guard = cf::lock_acquire "map_load:$path";
		1353
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1354	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1355
1154	$self->in_memory (cf::MAP_LOADING);	1356	$self->in_memory (cf::MAP_LOADING);
1155		1357
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1358	$self->alloc;
1159	$self->load_objects ($self->{load_path}, 1)	1359	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1360	or return;
1161		1361
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1363	if delete $self->{load_original};
1164		1364
1165	if (my $uniq = $path->uniq_path) {	1365	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1366	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1367	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1368	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1369	$self->_load_objects ($uniq, 0);
1170	}	1370	}
1171	}	1371	}
		1372
		1373	Coro::cede;
1172		1374
1173	# now do the right thing for maps	1375	# now do the right thing for maps
1174	$self->link_multipart_objects;	1376	$self->link_multipart_objects;
1175		1377
1176	if ($self->{path}->is_style_map) {	1378	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1379	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1380	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1381	$self->update_buttons;
		1382	Coro::cede;
1183	$self->set_darkness_map;	1383	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1384	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1385	unless $self->difficulty;
		1386	Coro::cede;
1186	$self->activate;	1387	$self->activate;
1187	}	1388	}
1188		1389
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1390	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1391	}
1191		1392
1192	sub load_map_sync {	1393	sub customise_for {
		1394	my ($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	$neigh->load;
		1423	}
		1424	}
		1425
		1426	sub find_sync {
1193	my ($path, $origin) = @_;	1427	my ($path, $origin) = @_;
1194		1428
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1429	cf::sync_job { find $path, $origin }
		1430	}
1196		1431
1197	cf::sync_job {	1432	sub do_load_sync {
1198	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
1199	or return;	1443	or next;
1200	$map->load;	1444	$map->load;
1201	$map	1445
		1446	delete $MAP_PREFETCH{$path};
		1447	}
		1448	Coro::schedule;
1202	}	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	$MAP_PREFETCHER->ready;
		1463
		1464	()
1203	}	1465	}
1204		1466
1205	sub save {	1467	sub save {
1206	my ($self) = @_;	1468	my ($self) = @_;
1207		1469
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1471
1211	$self->{last_save} = $cf::RUNTIME;	1472	$self->{last_save} = $cf::RUNTIME;
1212		1473
1213	return unless $self->dirty;	1474	return unless $self->dirty;
1214		1475
		1476	my $save = $self->save_path; utf8::encode $save;
		1477	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1478
1215	$self->{load_path} = $save;	1479	$self->{load_path} = $save;
1216		1480
1217	return if $self->{deny_save};	1481	return if $self->{deny_save};
1218		1482
		1483	local $self->{last_access} = $self->last_access;#d#
		1484
		1485	cf::async {
		1486	$_->contr->save for $self->players;
		1487	};
		1488
1219	if ($uniq) {	1489	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1492	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1494	}
1225	}	1495	}
1226		1496
1227	sub swap_out {	1497	sub swap_out {
1228	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;
1229		1504
1230	return if $self->players;	1505	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1506	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1507	return if $self->{deny_save};
1233		1508
1234	$self->save;
1235	$self->clear;	1509	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1510	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1511	}
1238		1512
1239	sub reset_at {	1513	sub reset_at {
1240	my ($self) = @_;	1514	my ($self) = @_;
1241		1515
1242	# TODO: safety, remove and allow resettable per-player maps	1516	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1517	return 1e99 if $self->isa ("ext::map_per_player");
1244	return 1e100 if $self->{deny_reset};	1518	return 1e99 if $self->{deny_reset};
1245		1519
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1522
1250	$time + $to	1523	$time + $to
1251	}	1524	}
1252		1525
1253	sub should_reset {	1526	sub should_reset {
1254	my ($self) = @_;	1527	my ($self) = @_;
1255		1528
1256	$self->reset_at <= $cf::RUNTIME	1529	$self->reset_at <= $cf::RUNTIME
1257	}	1530	}
1258		1531
1259	sub unlink_save {	1532	sub rename {
1260	my ($self) = @_;	1533	my ($self, $new_path) = @_;
1261		1534
1262	utf8::encode (my $save = $self->{path}->save_path);	1535	normalise $new_path;
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;	1536
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1537	$self->unlink_save;
		1538
		1539	delete $cf::MAP{$self->path};
		1540	$self->{path} = $new_path; $self->path ($self->{path});
		1541	$cf::MAP{$self->path} = $self;
		1542
		1543	$self->save;
1265	}	1544	}
1266		1545
1267	sub reset {	1546	sub reset {
1268	my ($self) = @_;	1547	my ($self) = @_;
1269		1548
		1549	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1550
1270	return if $self->players;	1551	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1552	return if $self->isa ("ext::map_per_player");#d#
1272		1553
1273	warn "resetting map ", $self->path;#d#	1554	warn "resetting map ", $self->path;#d#
1274		1555
1275	delete $cf::MAP{$self->path};	1556	delete $cf::MAP{$self->path};
1276		1557
…		…
1278		1559
1279	$self->unlink_save;	1560	$self->unlink_save;
1280	$self->destroy;	1561	$self->destroy;
1281	}	1562	}
1282		1563
1283	sub customise_for {	1564	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1565
1286	if ($map->per_player) {	1566	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1567	my ($self) = @_;
1288	}
1289		1568
1290	$map	1569	$self->{deny_save} = 1;
		1570	$self->reset_timeout (1);
		1571	$self->rename ("{nuke}/" . ($nuke_counter++));
		1572	$self->reset; # polite request, might not happen
1291	}	1573	}
1292		1574
1293	sub emergency_save {	1575	=item cf::map::unique_maps
1294	local $cf::FREEZE = 1;
1295		1576
1296	warn "enter emergency map save\n";	1577	Returns an arrayref of paths of all shared maps that have
		1578	instantiated unique items. May block.
1297		1579
1298	cf::sync_job {	1580	=cut
1299	warn "begin emergency map save\n";	1581
1300	$_->save for values %cf::MAP;	1582	sub unique_maps() {
		1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1584	or return;
		1585
		1586	my @paths;
		1587
		1588	for (@$files) {
		1589	utf8::decode $_;
		1590	next if /\.pst$/;
		1591	next unless /^$PATH_SEP/o;
		1592
		1593	push @paths, $_;
1301	};	1594	}
1302		1595
1303	warn "end emergency map save\n";	1596	\@paths
1304	}	1597	}
1305		1598
1306	package cf;	1599	package cf;
1307		1600
1308	=back	1601	=back
1309		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
1310		1629
1311	=head3 cf::object::player	1630	=head3 cf::object::player
1312		1631
1313	=over 4	1632	=over 4
1314		1633
…		…
1350	(ref $cf::CFG{"may_$access"}	1669	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1670	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1671	: $cf::CFG{"may_$access"})
1353	}	1672	}
1354		1673
		1674	=item $player_object->enter_link
		1675
		1676	Freezes the player and moves him/her to a special map (C<{link}>).
		1677
		1678	The player should be reasonably safe there for short amounts of time. You
		1679	I<MUST> call C<leave_link> as soon as possible, though.
		1680
		1681	Will never block.
		1682
		1683	=item $player_object->leave_link ($map, $x, $y)
		1684
		1685	Moves the player out of the special C<{link}> map onto the specified
		1686	map. If the map is not valid (or omitted), the player will be moved back
		1687	to the location he/she was before the call to C<enter_link>, or, if that
		1688	fails, to the emergency map position.
		1689
		1690	Might block.
		1691
		1692	=cut
		1693
		1694	sub link_map {
		1695	unless ($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	$LINK_MAP
		1702	}
		1703
1355	sub cf::object::player::enter_link {	1704	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1705	my ($self) = @_;
1357		1706
1358	return if $self->map == $LINK_MAP;	1707	$self->deactivate_recursive;
1359		1708
		1709	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1710
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1712	if $self->map;
1362		1713
1363	$self->enter_map ($LINK_MAP, 20, 20);	1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1364	$self->deactivate_recursive;
1365	}	1715	}
1366		1716
1367	sub cf::object::player::leave_link {	1717	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1718	my ($self, $map, $x, $y) = @_;
1369		1719
1370	my $link_pos = delete $self->{_link_pos};	1720	my $link_pos = delete $self->{_link_pos};
1371		1721
1372	unless ($map) {	1722	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1723	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1724	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1725	$map = cf::map::find $map;
1378		1726
1379	unless ($map) {	1727	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1728	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1729	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1730	or die "FATAL: cannot load emergency map\n";
1383	}	1731	}
1384	}	1732	}
1385		1733
1386	($x, $y) = (-1, -1)	1734	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1392		1740
1393	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1394		1743
		1744	return unless $self->contr->active;
1395	$self->activate_recursive;	1745	$self->activate_recursive;
1396	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1397	}	1747	}
1398		1748
		1749	cf::player->attach (
		1750	on_logout => sub {
		1751	my ($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
1399	=item $player_object->goto_map ($map, $x, $y)	1781	=item $player_object->goto ($path, $x, $y)
1400		1782
1401	=cut	1783	=cut
1402		1784
1403	sub cf::object::player::goto_map {	1785	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1405		1787
1406	$self->enter_link;	1788	$self->enter_link;
1407		1789
1408	(Coro::async {	1790	(async {
1409	$path = new cf::path $path;
1410
1411	my $map = cf::map::find_map $path->as_string;	1791	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1792	$map = $map->customise_for ($self) if $map;
1413		1793
1414	warn "entering ", $map->path, " at ($x, $y)\n"	1794	# warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1795	# if $map;
		1796
		1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1798
1417	$self->leave_link ($map, $x, $y);	1799	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1800	})->prio (1);
1419	}	1801	}
1420		1802
…		…
1473		1855
1474	return unless $self->type == cf::PLAYER;	1856	return unless $self->type == cf::PLAYER;
1475		1857
1476	$self->enter_link;	1858	$self->enter_link;
1477		1859
1478	(Coro::async {	1860	(async {
		1861	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	1862	unless (eval {
1480
1481	prepare_random_map $exit	1863	prepare_random_map $exit
1482	if $exit->slaying eq "/!";	1864	if $exit->slaying eq "/!";
1483		1865
1484	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;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1486		1868
1487	1;	1869	1;
1488	}) {	1870	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	1871	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "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. "
1491	. "Please report this to the dungeon master",	1873	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	1874	cf::NDI_UNIQUE | cf::NDI_RED);
1493		1875
1494	warn "ERROR in enter_exit: $@";	1876	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	1877	$self->leave_link;
1496	}	1878	}
…		…
1547	on_reply => sub {	1929	on_reply => sub {
1548	my ($ns, $msg) = @_;	1930	my ($ns, $msg) = @_;
1549		1931
1550	# this weird shuffling is so that direct followup queries	1932	# this weird shuffling is so that direct followup queries
1551	# get handled first	1933	# get handled first
1552	my $queue = delete $ns->{query_queue};	1934	my $queue = delete $ns->{query_queue}
		1935	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		1936
1554	(shift @$queue)->[1]->($msg);	1937	(shift @$queue)->[1]->($msg);
1555		1938
1556	push @{ $ns->{query_queue} }, @$queue;	1939	push @{ $ns->{query_queue} }, @$queue;
1557		1940
…		…
1563	}	1946	}
1564	}	1947	}
1565	},	1948	},
1566	);	1949	);
1567		1950
1568	=item $client->coro (\&cb)	1951	=item $client->async (\&cb)
1569		1952
1570	Create a new coroutine, running the specified callback. The coroutine will	1953	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	1954	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	1955	or loss of connection).
1573		1956
1574	=cut	1957	=cut
1575		1958
1576	sub cf::client::coro {	1959	sub cf::client::async {
1577	my ($self, $cb) = @_;	1960	my ($self, $cb) = @_;
1578		1961
1579	my $coro; $coro = async {	1962	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		1963
1586	$coro->on_destroy (sub {	1964	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	1965	delete $self->{_coro}{$coro+0};
1588	});	1966	});
1589		1967
…		…
1761		2139
1762	{	2140	{
1763	my $path = cf::localdir . "/database.pst";	2141	my $path = cf::localdir . "/database.pst";
1764		2142
1765	sub db_load() {	2143	sub db_load() {
1766	warn "loading database $path\n";#d# remove later
1767	$DB = stat $path ? Storable::retrieve $path : { };	2144	$DB = stat $path ? Storable::retrieve $path : { };
1768	}	2145	}
1769		2146
1770	my $pid;	2147	my $pid;
1771		2148
1772	sub db_save() {	2149	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;	2150	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {	2151	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;	2152	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";	2153	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;	2154	rename "$path~", $path;
…		…
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2202	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2203	or return;
1828		2204
1829	local $/;	2205	local $/;
1830	*CFG = YAML::Syck::Load <$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	}
1831	}	2220	}
1832		2221
1833	sub main {	2222	sub main {
1834	# we must not ever block the main coroutine	2223	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2224	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {
1838	Event::one_event;	2226	async { Event::one_event };
1839	})->();
1840	};	2227	};
1841		2228
1842	cfg_load;	2229	cfg_load;
1843	db_load;	2230	db_load;
1844	load_extensions;	2231	load_extensions;
1845	Event::loop;	2232	Event::loop;
1846	}	2233	}
1847		2234
1848	#############################################################################	2235	#############################################################################
1849	# 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	$map->save;
		2273	}
		2274	warn "end emergency map save\n";
		2275	};
		2276
		2277	warn "leave emergency perl save\n";
		2278	}
1850		2279
1851	sub reload() {	2280	sub reload() {
1852	# can/must only be called in main	2281	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2282	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2283	warn "can only reload from main coroutine\n";
1855	return;	2284	return;
1856	}	2285	}
1857		2286
1858	warn "reloading...";	2287	warn "reloading...";
1859		2288
1860	local $FREEZE = 1;	2289	warn "freezing server";
		2290	my $guard = freeze_mainloop;
1861	cf::emergency_save;	2291	cf::emergency_save;
		2292
		2293	warn "sync database to disk";
		2294	cf::db_sync;
		2295	IO::AIO::flush;
1862		2296
1863	eval {	2297	eval {
1864	# 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
1865		2299
1866	# cancel all watchers	2300	warn "cancel all watchers";
1867	for (Event::all_watchers) {	2301	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2302	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2303	}
1870		2304
1871	# cancel all extension coros	2305	warn "cancel all extension coros";
1872	$_->cancel for values %EXT_CORO;	2306	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2307	%EXT_CORO = ();
1874		2308
		2309	warn "remove commands";
		2310	%COMMAND = ();
		2311
		2312	warn "remove ext commands";
		2313	%EXTCMD = ();
		2314
1875	# unload all extensions	2315	warn "unload/nuke all extensions";
1876	for (@exts) {	2316	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2317	warn "... unloading $pkg";
1878	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: $@";
1879	}	2324	}
1880		2325
		2326	warn "... nuking $pkg";
		2327	Symbol::delete_package $pkg;
		2328	}
		2329
1881	# unload all modules loaded from $LIBDIR	2330	warn "unload all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2331	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2333
1885	warn "removing <$k>";	2334	warn "removing <$k>";
1886	delete $INC{$k};	2335	delete $INC{$k};
…		…
1893	}	2342	}
1894		2343
1895	Symbol::delete_package $k;	2344	Symbol::delete_package $k;
1896	}	2345	}
1897		2346
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2347	warn "get rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2348	Symbol::delete_package "safe::$_"
1904	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);
1905		2350
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2351	warn "unload cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2352	delete $INC{"cf.pm"};
1911		2353
1912	# don't, removes xs symbols, too,	2354	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2355	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2356	#Symbol::delete_package __PACKAGE__;
1915		2357
1916	# reload cf.pm
1917	warn "reloading cf.pm";	2358	warn "reloading cf.pm";
1918	require cf;	2359	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2361
1921	# load config and database again	2362	warn "load config and database again";
1922	cf::cfg_load;	2363	cf::cfg_load;
1923	cf::db_load;	2364	cf::db_load;
1924		2365
1925	# load extensions
1926	warn "load extensions";	2366	warn "load extensions";
1927	cf::load_extensions;	2367	cf::load_extensions;
1928		2368
1929	# reattach attachments to objects	2369	warn "reattach attachments to objects/players";
1930	warn "reattach";
1931	_global_reattach;	2370	_global_reattach;
		2371	warn "reattach attachments to maps";
		2372	reattach $_ for values %MAP;
1932	};	2373	};
1933		2374
1934	if ($@) {	2375	if ($@) {
1935	warn $@;	2376	warn $@;
1936	warn "error while reloading, exiting.";	2377	warn "error while reloading, exiting.";
1937	exit 1;	2378	exit 1;
1938	}	2379	}
1939		2380
1940	warn "reloaded successfully";	2381	warn "reloaded";
1941	};	2382	};
1942
1943	#############################################################################
1944
1945	unless ($LINK_MAP) {
1946	$LINK_MAP = cf::map::new;
1947
1948	$LINK_MAP->width (41);
1949	$LINK_MAP->height (41);
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,
1958	cb => sub {
1959	$_[0]->w->cancel;
1960
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});
1979
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}
1985
1986	register "<global>", __PACKAGE__;
1987		2383
1988	register_command "reload" => sub {	2384	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2385	my ($who, $arg) = @_;
1990		2386
1991	if ($who->flag (FLAG_WIZ)) {	2387	if ($who->flag (FLAG_WIZ)) {
…		…
2001	reentrant => 0,	2397	reentrant => 0,
2002	prio => 0,	2398	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2399	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2400	data => WF_AUTOCANCEL,
2005	cb => sub {	2401	cb => sub {
2006	unless ($FREEZE) {	2402	$NOW = Event::time;
		2403
2007	cf::server_tick; # one server iteration	2404	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2405	$RUNTIME += $TICK;
2009	}
2010
2011	$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;
2012		2410
2013	# 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
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2413
2016	$TICK_WATCHER->at ($NEXT_TICK);	2414	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2038	or warn "ERROR: unable to write runtime file: $!";	2436	or warn "ERROR: unable to write runtime file: $!";
2039	})->();	2437	})->();
2040	},	2438	},
2041	);	2439	);
2042		2440
		2441	END { cf::emergency_save }
		2442
2043	1	2443	1
2044		2444

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