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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 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 ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	280	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	288	=cut
198		289
199	sub sync_job(&) {	290	sub sync_job(&) {
200	my ($job) = @_;	291	my ($job) = @_;
201		292
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	293	if ($Coro::current == $Coro::main) {
		294	# this is the main coro, too bad, we have to block
		295	# till the operation succeeds, freezing the server :/
		296
212	# TODO: use suspend/resume instead	297	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	298	# (but this is cancel-safe)
		299	my $freeze_guard = freeze_mainloop;
		300
		301	my $busy = 1;
		302	my @res;
		303
		304	(async {
		305	@res = eval { $job->() };
		306	warn $@ if $@;
		307	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	308	})->prio (Coro::PRIO_MAX);
		309
215	while ($busy) {	310	while ($busy) {
216	Coro::cede_notself;	311	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	312	}
		313
		314	wantarray ? @res : $res[0]
219	} else {	315	} else {
220	$coro->join;	316	# we are in another coroutine, how wonderful, everything just works
		317
		318	$job->()
221	}	319	}
222
223	wantarray ? @res : $res[0]
224	}	320	}
225		321
226	=item $coro = cf::coro { BLOCK }	322	=item $coro = cf::async_ext { BLOCK }
227		323
228	Creates and returns a new coro. This coro is automcatially being canceled	324	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	325	extension calling this is being unloaded.
230		326
231	=cut	327	=cut
232		328
233	sub coro(&) {	329	sub async_ext(&) {
234	my $cb = shift;	330	my $cb = shift;
235		331
236	my $coro; $coro = async {	332	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		333
243	$coro->on_destroy (sub {	334	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	335	delete $EXT_CORO{$coro+0};
245	});	336	});
246	$EXT_CORO{$coro+0} = $coro;	337	$EXT_CORO{$coro+0} = $coro;
247		338
248	$coro	339	$coro
249	}	340	}
250		341
251	sub write_runtime {	342	sub write_runtime {
		343	return unless $TICK_WATCHER->is_active;
		344
252	my $runtime = cf::localdir . "/runtime";	345	my $runtime = cf::localdir . "/runtime";
253		346
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	348	or return;
256		349
257	my $value = $cf::RUNTIME;	350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	351	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	352	and return;
260		353
261	aio_fsync $fh	354	aio_fsync $fh
262	and return;	355	and return;
…		…
271	}	364	}
272		365
273	=back	366	=back
274		367
275	=cut	368	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		369
387	#############################################################################	370	#############################################################################
388		371
389	=head2 ATTACHABLE OBJECTS	372	=head2 ATTACHABLE OBJECTS
390		373
…		…
798	or return;	781	or return;
799		782
800	unless (aio_stat "$filename.pst") {	783	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	784	(aio_load "$filename.pst", $av) >= 0
802	or return;	785	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	786	$av = eval { (Storable::thaw $av)->{objs} };
804	}	787	}
805		788
		789	warn sprintf "loading %s (%d)\n",
		790	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	791	return ($data, $av);
807	}	792	}
808		793
809	#############################################################################	794	#############################################################################
810	# command handling &c	795	# command handling &c
…		…
835	=cut	820	=cut
836		821
837	sub register_extcmd {	822	sub register_extcmd {
838	my ($name, $cb) = @_;	823	my ($name, $cb) = @_;
839		824
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	825	$EXTCMD{$name} = $cb;
844	}	826	}
845		827
846	cf::player->attach (	828	cf::player->attach (
847	on_command => sub {	829	on_command => sub {
848	my ($pl, $name, $params) = @_;	830	my ($pl, $name, $params) = @_;
…		…
861		843
862	my $msg = eval { from_json $buf };	844	my $msg = eval { from_json $buf };
863		845
864	if (ref $msg) {	846	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	848	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	849	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	850	}
869	}	851	}
870	} else {	852	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		855
874	cf::override;	856	cf::override;
875	},	857	},
876	);	858	);
877		859
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	860	sub load_extension {
885	my ($path) = @_;	861	my ($path) = @_;
886		862
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	864	my $base = $1;
889	my $pkg = $1;	865	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	866	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	867	$pkg = "ext::$pkg";
892		868
893	warn "loading '$path' into '$pkg'\n";	869	warn "... loading '$path' into '$pkg'\n";
894		870
895	open my $fh, "<:utf8", $path	871	open my $fh, "<:utf8", $path
896	or die "$path: $!";	872	or die "$path: $!";
897		873
898	my $source =	874	my $source =
899	"package $pkg; use strict; use utf8;\n"	875	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	876	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	877	. (do { local $/; <$fh> })
902	. "\n};\n1";	878	. "\n};\n1";
903		879
904	eval $source	880	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	881	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	882	: "extension disabled.\n";
907		883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	884	warn $@;
909	$ext_pkg{$base} = $pkg;	885	warn "mandatory extension failed to load, exiting.\n";
910		886	exit 1;
911	# no strict 'refs';	887	}
912	# @{"$pkg\::ISA"} = ext::;	888	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	889	}
927		890
928	# remove commands	891	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	892	}
953		893
954	sub load_extensions {	894	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	895	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	896	next unless -r $ext;
…		…
974	};	914	};
975		915
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);	916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977		917
978	#############################################################################	918	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		919
1002	=head2 CORE EXTENSIONS	920	=head2 CORE EXTENSIONS
1003		921
1004	Functions and methods that extend core crossfire objects.	922	Functions and methods that extend core crossfire objects.
1005		923
		924	=cut
		925
		926	package cf::player;
		927
		928	use Coro::AIO;
		929
1006	=head3 cf::player	930	=head3 cf::player
1007		931
1008	=over 4	932	=over 4
1009		933
1010	=item cf::player::exists $login	934	=item cf::player::find $login
1011		935
1012	Returns true when the given account exists.	936	Returns the given player object, loading it if necessary (might block).
1013		937
1014	=cut	938	=cut
1015		939
1016	sub cf::player::exists($) {	940	sub playerdir($) {
1017	cf::player::find $_[0]	941	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1019	}	1086	}
1020		1087
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1088	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1089
1023	Sends an ext reply to the player.	1090	Sends an ext reply to the player.
1024		1091
1025	=cut	1092	=cut
1026		1093
1027	sub cf::player::ext_reply($$$%) {	1094	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1095	my ($self, $id, %msg) = @_;
1029		1096
1030	$msg{msgid} = $id;	1097	$msg{msgid} = $id;
1031		1098
1032	$self->send ("ext " . to_json \%msg);	1099	$self->send ("ext " . cf::to_json \%msg);
1033	}	1100	}
		1101
		1102	package cf;
1034		1103
1035	=back	1104	=back
1036		1105
1037		1106
1038	=head3 cf::map	1107	=head3 cf::map
…		…
1044	package cf::map;	1113	package cf::map;
1045		1114
1046	use Fcntl;	1115	use Fcntl;
1047	use Coro::AIO;	1116	use Coro::AIO;
1048		1117
		1118	use overload
		1119	'""' => \&as_string;
		1120
1049	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1123
1054	sub generate_random_map {	1124	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1056		1126
1057	# mit "rum" bekleckern, nicht	1127	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1128	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1132	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1133	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1136	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$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},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(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, $self->_escaped_path
1071	}	1251	}
1072		1252
1073	# and all this just because we cannot iterate over	1253	# and all this just because we cannot iterate over
1074	# all maps in C++...	1254	# all maps in C++...
1075	sub change_all_map_light {	1255	sub change_all_map_light {
1076	my ($change) = @_;	1256	my ($change) = @_;
1077		1257
1078	$_->change_map_light ($change) for values %cf::MAP;	1258	$_->change_map_light ($change)
		1259	for grep $_->outdoor, values %cf::MAP;
1079	}	1260	}
1080		1261
		1262	sub unlink_save {
		1263	my ($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
1081	sub try_load_header($) {	1270	sub load_header_from($) {
1082	my ($path) = @_;	1271	my ($self, $path) = @_;
1083		1272
1084	utf8::encode $path;	1273	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1274	aio_open $path, O_RDONLY, 0
1086	or return;	1275	or return;
1087		1276
1088	my $map = cf::map::new	1277	$self->_load_header ($path)
1089	or return;	1278	or return;
1090		1279
1091	$map->load_header ($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
1092	or return;	1308	or return;
1093		1309
1094	$map->{load_path} = $path;	1310	$self->{load_original} = 1;
1095	use Data::Dumper; warn Dumper $map;#d#	1311	$self->{instantiate_time} = $cf::RUNTIME;
		1312	$self->last_access ($cf::RUNTIME);
		1313	$self->instantiate;
		1314	}
1096		1315
1097	$map	1316	1
1098	}	1317	}
1099		1318
		1319	sub find;
1100	sub find_map {	1320	sub find {
1101	my ($path, $origin) = @_;	1321	my ($path, $origin) = @_;
1102		1322
1103	#warn "find_map<$path,$origin>\n";#d#	1323	$path = normalise $path, $origin && $origin->path;
1104		1324
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1325	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1326
1108	$cf::MAP{$key} || do {	1327	$cf::MAP{$path} || do {
1109	# do it the slow way	1328	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1329	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1330	or return;
1124		1331
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1332	$map->{last_save} = $cf::RUNTIME;
1135		1333
		1334	$map->load_header
		1335	or return;
		1336
1136	$map->reset if $map->should_reset;	1337	if ($map->should_reset) {
		1338	$map->reset;
		1339	undef $guard;
		1340	$map = find $path
		1341	or return;
		1342	}
1137		1343
1138	$cf::MAP{$key} = $map	1344	$cf::MAP{$path} = $map
1139	}	1345	}
1140	}	1346	}
1141		1347
1142	sub load {	1348	sub load {
1143	my ($self) = @_;	1349	my ($self) = @_;
1144		1350
		1351	my $path = $self->{path};
		1352	my $guard = cf::lock_acquire "map_load:$path";
		1353
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1354	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1355
1147	$self->in_memory (cf::MAP_LOADING);	1356	$self->in_memory (cf::MAP_LOADING);
1148		1357
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1358	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1359	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1360	or return;
1154		1361
		1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1363	if delete $self->{load_original};
		1364
1155	if (my $uniq = $path->uniq_path) {	1365	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1366	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1367	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1368	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1369	$self->_load_objects ($uniq, 0);
1160	}	1370	}
1161	}	1371	}
		1372
		1373	Coro::cede;
1162		1374
1163	# now do the right thing for maps	1375	# now do the right thing for maps
1164	$self->link_multipart_objects;	1376	$self->link_multipart_objects;
1165		1377
1166	if ($self->{path}->is_style_map) {	1378	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1379	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1380	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1381	$self->update_buttons;
		1382	Coro::cede;
1173	$self->set_darkness_map;	1383	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1384	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1385	unless $self->difficulty;
		1386	Coro::cede;
1176	$self->activate;	1387	$self->activate;
1177	}	1388	}
1178		1389
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1390	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1391	}
1181		1392
1182	sub load_map_sync {	1393	sub customise_for {
		1394	my ($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	$neigh->load;
		1423	}
		1424	}
		1425
		1426	sub find_sync {
1183	my ($path, $origin) = @_;	1427	my ($path, $origin) = @_;
1184		1428
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1429	cf::sync_job { find $path, $origin }
		1430	}
1186		1431
1187	cf::sync_job {	1432	sub do_load_sync {
1188	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
1189	or return;	1443	or next;
1190	$map->load;	1444	$map->load;
1191	$map	1445
		1446	delete $MAP_PREFETCH{$path};
		1447	}
		1448	Coro::schedule;
1192	}	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	$MAP_PREFETCHER->ready;
		1463
		1464	()
1193	}	1465	}
1194		1466
1195	sub save {	1467	sub save {
1196	my ($self) = @_;	1468	my ($self) = @_;
1197		1469
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1471
1201	$self->{last_save} = $cf::RUNTIME;	1472	$self->{last_save} = $cf::RUNTIME;
1202		1473
1203	return unless $self->dirty;	1474	return unless $self->dirty;
1204		1475
		1476	my $save = $self->save_path; utf8::encode $save;
		1477	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1478
1205	$self->{load_path} = $save;	1479	$self->{load_path} = $save;
1206		1480
1207	return if $self->{deny_save};	1481	return if $self->{deny_save};
1208		1482
1209	warn "saving map ", $self->path;	1483	local $self->{last_access} = $self->last_access;#d#
		1484
		1485	cf::async {
		1486	$_->contr->save for $self->players;
		1487	};
1210		1488
1211	if ($uniq) {	1489	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1492	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1494	}
1217	}	1495	}
1218		1496
1219	sub swap_out {	1497	sub swap_out {
1220	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;
1221		1504
1222	return if $self->players;	1505	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1506	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1507	return if $self->{deny_save};
1225		1508
1226	$self->save;
1227	$self->clear;	1509	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1510	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1511	}
1230		1512
		1513	sub reset_at {
		1514	my ($self) = @_;
		1515
		1516	# TODO: safety, remove and allow resettable per-player maps
		1517	return 1e99 if $self->isa ("ext::map_per_player");
		1518	return 1e99 if $self->{deny_reset};
		1519
		1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1522
		1523	$time + $to
		1524	}
		1525
1231	sub should_reset {	1526	sub should_reset {
1232	my ($map) = @_;	1527	my ($self) = @_;
1233		1528
1234	# TODO: safety, remove and allow resettable per-player maps	1529	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#	1530	}
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238		1531
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;	1532	sub rename {
		1533	my ($self, $new_path) = @_;
1240		1534
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME	1535	normalise $new_path;
		1536
		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	$self->save;
1242	}	1544	}
1243		1545
1244	sub reset {	1546	sub reset {
1245	my ($self) = @_;	1547	my ($self) = @_;
1246		1548
		1549	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1550
1247	return if $self->players;	1551	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1552	return if $self->isa ("ext::map_per_player");#d#
1249		1553
1250	warn "resetting map ", $self->path;#d#	1554	warn "resetting map ", $self->path;#d#
1251		1555
1252	utf8::encode (my $save = $self->{path}->save_path);	1556	delete $cf::MAP{$self->path};
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255		1557
1256	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1257		1559
		1560	$self->unlink_save;
1258	$self->clear;	1561	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1562	}
1262		1563
1263	sub customise_for {	1564	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1565
1266	if ($map->per_player) {	1566	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1567	my ($self) = @_;
1268	}
1269		1568
1270	$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
1271	}	1573	}
1272		1574
1273	sub emergency_save {	1575	=item cf::map::unique_maps
1274	local $cf::FREEZE = 1;
1275		1576
1276	warn "enter emergency map save\n";	1577	Returns an arrayref of paths of all shared maps that have
		1578	instantiated unique items. May block.
1277		1579
1278	cf::sync_job {	1580	=cut
1279	warn "begin emergency map save\n";	1581
1280	$_->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, $_;
1281	};	1594	}
1282		1595
1283	warn "end emergency map save\n";	1596	\@paths
1284	}	1597	}
1285		1598
1286	package cf;	1599	package cf;
1287		1600
1288	=back	1601	=back
1289		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
1290		1629
1291	=head3 cf::object::player	1630	=head3 cf::object::player
1292		1631
1293	=over 4	1632	=over 4
1294		1633
…		…
1330	(ref $cf::CFG{"may_$access"}	1669	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1670	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1671	: $cf::CFG{"may_$access"})
1333	}	1672	}
1334		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	$LINK_MAP
		1702	}
		1703
1335	sub cf::object::player::enter_link {	1704	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1705	my ($self) = @_;
1337		1706
1338	return if $self->map == $LINK_MAP;	1707	$self->deactivate_recursive;
1339		1708
		1709	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1710
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1712	if $self->map;
1342		1713
1343	$self->enter_map ($LINK_MAP, 20, 20);	1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1715	}
1346		1716
1347	sub cf::object::player::leave_link {	1717	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1718	my ($self, $map, $x, $y) = @_;
1349		1719
1350	my $link_pos = delete $self->{_link_pos};	1720	my $link_pos = delete $self->{_link_pos};
1351		1721
1352	unless ($map) {	1722	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1723	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1724	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1725	$map = cf::map::find $map;
1358		1726
1359	unless ($map) {	1727	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1728	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1729	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1730	or die "FATAL: cannot load emergency map\n";
1363	}	1731	}
1364	}	1732	}
1365		1733
1366	($x, $y) = (-1, -1)	1734	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1372		1740
1373	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1374		1743
		1744	return unless $self->contr->active;
1375	$self->activate_recursive;	1745	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1377	}	1747	}
1378		1748
		1749	cf::player->attach (
		1750	on_logout => sub {
		1751	my ($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
1379	=item $player_object->goto_map ($map, $x, $y)	1781	=item $player_object->goto ($path, $x, $y)
1380		1782
1381	=cut	1783	=cut
1382		1784
1383	sub cf::object::player::goto_map {	1785	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1385		1787
1386	$self->enter_link;	1788	$self->enter_link;
1387		1789
1388	(Coro::async {	1790	(async {
1389	$path = new cf::path $path;
1390
1391	my $map = cf::map::find_map $path->as_string;	1791	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1792	$map = $map->customise_for ($self) if $map;
1393		1793
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1794	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	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);
1396		1798
1397	$self->leave_link ($map, $x, $y);	1799	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1800	})->prio (1);
1399	}	1801	}
1400		1802
…		…
1453		1855
1454	return unless $self->type == cf::PLAYER;	1856	return unless $self->type == cf::PLAYER;
1455		1857
1456	$self->enter_link;	1858	$self->enter_link;
1457		1859
1458	(Coro::async {	1860	(async {
		1861	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1862	unless (eval {
1460
1461	prepare_random_map $exit	1863	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1864	if $exit->slaying eq "/!";
1463		1865
1464	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;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1868
1467	1;	1869	1;
1468	}) {	1870	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1871	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "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. "
1471	. "Please report this to the dungeon master",	1873	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1874	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1875
1474	warn "ERROR in enter_exit: $@";	1876	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1877	$self->leave_link;
1476	}	1878	}
…		…
1527	on_reply => sub {	1929	on_reply => sub {
1528	my ($ns, $msg) = @_;	1930	my ($ns, $msg) = @_;
1529		1931
1530	# this weird shuffling is so that direct followup queries	1932	# this weird shuffling is so that direct followup queries
1531	# get handled first	1933	# get handled first
1532	my $queue = delete $ns->{query_queue};	1934	my $queue = delete $ns->{query_queue}
		1935	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1936
1534	(shift @$queue)->[1]->($msg);	1937	(shift @$queue)->[1]->($msg);
1535		1938
1536	push @{ $ns->{query_queue} }, @$queue;	1939	push @{ $ns->{query_queue} }, @$queue;
1537		1940
…		…
1543	}	1946	}
1544	}	1947	}
1545	},	1948	},
1546	);	1949	);
1547		1950
1548	=item $client->coro (\&cb)	1951	=item $client->async (\&cb)
1549		1952
1550	Create a new coroutine, running the specified callback. The coroutine will	1953	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1954	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1955	or loss of connection).
1553		1956
1554	=cut	1957	=cut
1555		1958
1556	sub cf::client::coro {	1959	sub cf::client::async {
1557	my ($self, $cb) = @_;	1960	my ($self, $cb) = @_;
1558		1961
1559	my $coro; $coro = async {	1962	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1963
1566	$coro->on_destroy (sub {	1964	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1965	delete $self->{_coro}{$coro+0};
1568	});	1966	});
1569		1967
…		…
1741		2139
1742	{	2140	{
1743	my $path = cf::localdir . "/database.pst";	2141	my $path = cf::localdir . "/database.pst";
1744		2142
1745	sub db_load() {	2143	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2144	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2145	}
1749		2146
1750	my $pid;	2147	my $pid;
1751		2148
1752	sub db_save() {	2149	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2150	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2151	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2152	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2153	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2154	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2202	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2203	or return;
1808		2204
1809	local $/;	2205	local $/;
1810	*CFG = YAML::Syck::Load <$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	}
1811	}	2220	}
1812		2221
1813	sub main {	2222	sub main {
1814	# we must not ever block the main coroutine	2223	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2224	local $Coro::idle = sub {
1816	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#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2226	async { Event::one_event };
1819	})->();
1820	};	2227	};
1821		2228
1822	cfg_load;	2229	cfg_load;
1823	db_load;	2230	db_load;
1824	load_extensions;	2231	load_extensions;
1825	Event::loop;	2232	Event::loop;
1826	}	2233	}
1827		2234
1828	#############################################################################	2235	#############################################################################
1829	# initialisation	2236	# initialisation and cleanup
1830		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	$map->save;
		2273	}
		2274	warn "end emergency map save\n";
		2275	};
		2276
		2277	warn "leave emergency perl save\n";
		2278	}
		2279
1831	sub perl_reload() {	2280	sub reload() {
1832	# can/must only be called in main	2281	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2282	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2283	warn "can only reload from main coroutine\n";
1835	return;	2284	return;
1836	}	2285	}
1837		2286
1838	warn "reloading...";	2287	warn "reloading...";
1839		2288
1840	local $FREEZE = 1;	2289	warn "freezing server";
		2290	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2291	cf::emergency_save;
		2292
		2293	warn "sync database to disk";
		2294	cf::db_sync;
		2295	IO::AIO::flush;
1842		2296
1843	eval {	2297	eval {
1844	# 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
1845		2299
1846	# cancel all watchers	2300	warn "cancel all watchers";
1847	for (Event::all_watchers) {	2301	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2302	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2303	}
1850		2304
1851	# cancel all extension coros	2305	warn "cancel all extension coros";
1852	$_->cancel for values %EXT_CORO;	2306	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2307	%EXT_CORO = ();
1854		2308
		2309	warn "remove commands";
		2310	%COMMAND = ();
		2311
		2312	warn "remove ext commands";
		2313	%EXTCMD = ();
		2314
1855	# unload all extensions	2315	warn "unload/nuke all extensions";
1856	for (@exts) {	2316	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2317	warn "... unloading $pkg";
1858	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: $@";
1859	}	2324	}
1860		2325
		2326	warn "... nuking $pkg";
		2327	Symbol::delete_package $pkg;
		2328	}
		2329
1861	# unload all modules loaded from $LIBDIR	2330	warn "unload all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2331	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2333
1865	warn "removing <$k>";	2334	warn "removing <$k>";
1866	delete $INC{$k};	2335	delete $INC{$k};
…		…
1873	}	2342	}
1874		2343
1875	Symbol::delete_package $k;	2344	Symbol::delete_package $k;
1876	}	2345	}
1877		2346
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2347	warn "get rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2348	Symbol::delete_package "safe::$_"
1884	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);
1885		2350
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2351	warn "unload cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2352	delete $INC{"cf.pm"};
1891		2353
1892	# don't, removes xs symbols, too,	2354	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2355	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2356	#Symbol::delete_package __PACKAGE__;
1895		2357
1896	# reload cf.pm
1897	warn "reloading cf.pm";	2358	warn "reloading cf.pm";
1898	require cf;	2359	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2361
1901	# load config and database again	2362	warn "load config and database again";
1902	cf::cfg_load;	2363	cf::cfg_load;
1903	cf::db_load;	2364	cf::db_load;
1904		2365
1905	# load extensions
1906	warn "load extensions";	2366	warn "load extensions";
1907	cf::load_extensions;	2367	cf::load_extensions;
1908		2368
1909	# reattach attachments to objects	2369	warn "reattach attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2370	_global_reattach;
		2371	warn "reattach attachments to maps";
		2372	reattach $_ for values %MAP;
1912	};	2373	};
1913		2374
1914	if ($@) {	2375	if ($@) {
1915	warn $@;	2376	warn $@;
1916	warn "error while reloading, exiting.";	2377	warn "error while reloading, exiting.";
1917	exit 1;	2378	exit 1;
1918	}	2379	}
1919		2380
1920	warn "reloaded successfully";	2381	warn "reloaded";
1921	};	2382	};
1922		2383
1923	#############################################################################
1924
1925	unless ($LINK_MAP) {
1926	$LINK_MAP = cf::map::new;
1927
1928	$LINK_MAP->width (41);
1929	$LINK_MAP->height (41);
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,
1938	cb => sub {
1939	$_[0]->w->cancel;
1940
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});
1959
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2384	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2385	my ($who, $arg) = @_;
1970		2386
1971	if ($who->flag (FLAG_WIZ)) {	2387	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2388	$who->message ("start of reload.");
1973	perl_reload;	2389	reload;
1974	$who->message ("end of reload.");	2390	$who->message ("end of reload.");
1975	}	2391	}
1976	};	2392	};
1977		2393
1978	unshift @INC, $LIBDIR;	2394	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2397	reentrant => 0,
1982	prio => 0,	2398	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2399	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2400	data => WF_AUTOCANCEL,
1985	cb => sub {	2401	cb => sub {
1986	unless ($FREEZE) {	2402	$NOW = Event::time;
		2403
1987	cf::server_tick; # one server iteration	2404	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2405	$RUNTIME += $TICK;
1989	}
1990
1991	$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;
1992		2410
1993	# 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
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2413
1996	$TICK_WATCHER->at ($NEXT_TICK);	2414	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2436	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2437	})->();
2020	},	2438	},
2021	);	2439	);
2022		2440
		2441	END { cf::emergency_save }
		2442
2023	1	2443	1
2024		2444

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