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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.124 by root, Tue Jan 2 22:55:05 2007 UTC vs.
Revision 1.167 by root, Sat Jan 13 23:32:43 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 $json
165		196
…		…
181	sub to_json($) {	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	}
185		216
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	217	=item cf::lock_wait $string
209		218
210	Wait until the given lock is available. See cf::lock_acquire.	219	Wait until the given lock is available. See cf::lock_acquire.
211		220
212	=item my $lock = cf::lock_acquire $string	221	=item my $lock = cf::lock_acquire $string
213		222
214	Wait until the given lock is available and then acquires it and returns	223	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	225	for example when the coroutine gets canceled), the lock is automatically
217	returned.	226	returned.
218		227
219	Lock names should begin with a unique identifier (for example, find_map	228	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	229	uses map_find and cf::map::load uses map_load).
221		230
222	=cut	231	=cut
223		232
224	our %LOCK;	233	our %LOCK;
225		234
…		…
239	# wait, to be sure we are not locked	248	# wait, to be sure we are not locked
240	lock_wait $key;	249	lock_wait $key;
241		250
242	$LOCK{$key} = [];	251	$LOCK{$key} = [];
243		252
244	cf::guard {	253	Coro::guard {
245	# wake up all waiters, to be on the safe side	254	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	255	$_->ready for @{ delete $LOCK{$key} };
247	}	256	}
248	}	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	$guard
		265	}
		266
		267	=item cf::async { BLOCK }
		268
		269	Currently the same as Coro::async_pool, meaning you cannot use
		270	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		271	thing you are allowed to do is call C<prio> on it.
		272
		273	=cut
		274
		275	BEGIN { *async = \&Coro::async_pool }
249		276
250	=item cf::sync_job { BLOCK }	277	=item cf::sync_job { BLOCK }
251		278
252	The design of crossfire+ requires that the main coro ($Coro::main) is	279	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	294	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	295	# till the operation succeeds, freezing the server :/
269		296
270	# TODO: use suspend/resume instead	297	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	298	# (but this is cancel-safe)
272	local $FREEZE = 1;	299	my $freeze_guard = freeze_mainloop;
273		300
274	my $busy = 1;	301	my $busy = 1;
275	my @res;	302	my @res;
276		303
277	(Coro::async {	304	(async {
278	@res = eval { $job->() };	305	@res = eval { $job->() };
279	warn $@ if $@;	306	warn $@ if $@;
280	undef $busy;	307	undef $busy;
281	})->prio (Coro::PRIO_MAX);	308	})->prio (Coro::PRIO_MAX);
282		309
283	while ($busy) {	310	while ($busy) {
284	Coro::cede_notself;	311	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	312	}
287		313
288	wantarray ? @res : $res[0]	314	wantarray ? @res : $res[0]
289	} else {	315	} else {
290	# we are in another coroutine, how wonderful, everything just works	316	# we are in another coroutine, how wonderful, everything just works
291		317
292	$job->()	318	$job->()
293	}	319	}
294	}	320	}
295		321
296	=item $coro = cf::coro { BLOCK }	322	=item $coro = cf::async_ext { BLOCK }
297		323
298	Creates and returns a new coro. This coro is automcatially being canceled	324	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	325	extension calling this is being unloaded.
300		326
301	=cut	327	=cut
302		328
303	sub coro(&) {	329	sub async_ext(&) {
304	my $cb = shift;	330	my $cb = shift;
305		331
306	my $coro; $coro = async {	332	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		333
313	$coro->on_destroy (sub {	334	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	335	delete $EXT_CORO{$coro+0};
315	});	336	});
316	$EXT_CORO{$coro+0} = $coro;	337	$EXT_CORO{$coro+0} = $coro;
317		338
318	$coro	339	$coro
319	}	340	}
320		341
321	sub write_runtime {	342	sub write_runtime {
		343	return unless $TICK_WATCHER->is_active;
		344
322	my $runtime = cf::localdir . "/runtime";	345	my $runtime = cf::localdir . "/runtime";
323		346
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	348	or return;
326		349
…		…
341	}	364	}
342		365
343	=back	366	=back
344		367
345	=cut	368	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		369
467	#############################################################################	370	#############################################################################
468		371
469	=head2 ATTACHABLE OBJECTS	372	=head2 ATTACHABLE OBJECTS
470		373
…		…
917	=cut	820	=cut
918		821
919	sub register_extcmd {	822	sub register_extcmd {
920	my ($name, $cb) = @_;	823	my ($name, $cb) = @_;
921		824
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	825	$EXTCMD{$name} = $cb;
926	}	826	}
927		827
928	cf::player->attach (	828	cf::player->attach (
929	on_command => sub {	829	on_command => sub {
930	my ($pl, $name, $params) = @_;	830	my ($pl, $name, $params) = @_;
…		…
943		843
944	my $msg = eval { from_json $buf };	844	my $msg = eval { from_json $buf };
945		845
946	if (ref $msg) {	846	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	848	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	849	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	850	}
951	}	851	}
952	} else {	852	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		855
956	cf::override;	856	cf::override;
957	},	857	},
958	);	858	);
959		859
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	860	sub load_extension {
967	my ($path) = @_;	861	my ($path) = @_;
968		862
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	864	my $base = $1;
971	my $pkg = $1;	865	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	866	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	867	$pkg = "ext::$pkg";
974		868
975	warn "loading '$path' into '$pkg'\n";	869	warn "... loading '$path' into '$pkg'\n";
976		870
977	open my $fh, "<:utf8", $path	871	open my $fh, "<:utf8", $path
978	or die "$path: $!";	872	or die "$path: $!";
979		873
980	my $source =	874	my $source =
981	"package $pkg; use strict; use utf8;\n"	875	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	876	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	877	. (do { local $/; <$fh> })
984	. "\n};\n1";	878	. "\n};\n1";
985		879
986	eval $source	880	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	881	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	882	: "extension disabled.\n";
989		883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	884	warn $@;
991	$ext_pkg{$base} = $pkg;	885	warn "mandatory extension failed to load, exiting.\n";
992		886	exit 1;
993	# no strict 'refs';	887	}
994	# @{"$pkg\::ISA"} = ext::;	888	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	889	}
1009		890
1010	# remove commands	891	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	892	}
1035		893
1036	sub load_extensions {	894	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	895	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	896	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	900	} or warn "$ext not loaded: $@";
1043	}	901	}
1044	}	902	}
1045		903
1046	#############################################################################	904	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		905
1084	=head2 CORE EXTENSIONS	906	=head2 CORE EXTENSIONS
1085		907
1086	Functions and methods that extend core crossfire objects.	908	Functions and methods that extend core crossfire objects.
1087		909
		910	=cut
		911
		912	package cf::player;
		913
		914	use Coro::AIO;
		915
1088	=head3 cf::player	916	=head3 cf::player
1089		917
1090	=over 4	918	=over 4
1091		919
1092	=item cf::player::exists $login	920	=item cf::player::find $login
1093		921
1094	Returns true when the given account exists.	922	Returns the given player object, loading it if necessary (might block).
1095		923
1096	=cut	924	=cut
1097		925
1098	sub cf::player::exists($) {	926	sub playerdir($) {
1099	cf::player::find $_[0]	927	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	928	. "/"
		929	. cf::playerdir
		930	. "/"
		931	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		932	}
		933
		934	sub path($) {
		935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		936
		937	(playerdir $login) . "/$login.pl"
		938	}
		939
		940	sub find_active($) {
		941	$cf::PLAYER{$_[0]}
		942	and $cf::PLAYER{$_[0]}->active
		943	and $cf::PLAYER{$_[0]}
		944	}
		945
		946	sub exists($) {
		947	my ($login) = @_;
		948
		949	$cf::PLAYER{$login}
		950	or cf::sync_job { !aio_stat $login }
		951	}
		952
		953	sub find($) {
		954	return $cf::PLAYER{$_[0]} || do {
		955	my $login = $_[0];
		956
		957	my $guard = cf::lock_acquire "user_find:$login";
		958
		959	$cf::PLAYER{$_[0]} || do {
		960	my $pl = load_pl path $login
		961	or return;
		962	$cf::PLAYER{$login} = $pl
		963	}
		964	}
		965	}
		966
		967	sub save($) {
		968	my ($pl) = @_;
		969
		970	return if $pl->{deny_save};
		971
		972	my $path = path $pl;
		973	my $guard = cf::lock_acquire "user_save:$path";
		974
		975	return if $pl->{deny_save};
		976
		977	aio_mkdir playerdir $pl, 0770;
		978	$pl->{last_save} = $cf::RUNTIME;
		979
		980	$pl->save_pl ($path);
		981	Coro::cede;
		982	}
		983
		984	sub new($) {
		985	my ($login) = @_;
		986
		987	my $self = create;
		988
		989	$self->ob->name ($login);
		990	$self->{deny_save} = 1;
		991
		992	$cf::PLAYER{$login} = $self;
		993
		994	$self
		995	}
		996
		997	=item $pl->quit_character
		998
		999	Nukes the player without looking back. If logged in, the connection will
		1000	be destroyed. May block for a long time.
		1001
		1002	=cut
		1003
		1004	sub quit_character {
		1005	my ($pl) = @_;
		1006
		1007	$pl->{deny_save} = 1;
		1008	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1009
		1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1011	$pl->deactivate;
		1012	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1013	$pl->ns->destroy if $pl->ns;
		1014
		1015	my $path = playerdir $pl;
		1016	my $temp = "$path~$cf::RUNTIME~deleting~";
		1017	aio_rename $path, $temp;
		1018	delete $cf::PLAYER{$pl->ob->name};
		1019	$pl->destroy;
		1020	IO::AIO::aio_rmtree $temp;
		1021	}
		1022
		1023	=item cf::player::list_logins
		1024
		1025	Returns am arrayref of all valid playernames in the system, can take a
		1026	while and may block, so not sync_job-capable, ever.
		1027
		1028	=cut
		1029
		1030	sub list_logins {
		1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1032	or return [];
		1033
		1034	my @logins;
		1035
		1036	for my $login (@$dirs) {
		1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1038	aio_read $fh, 0, 512, my $buf, 0 or next;
		1039	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1040
		1041	utf8::decode $login;
		1042	push @logins, $login;
		1043	}
		1044
		1045	\@logins
		1046	}
		1047
		1048	=item $player->maps
		1049
		1050	Returns an arrayref of map paths that are private for this
		1051	player. May block.
		1052
		1053	=cut
		1054
		1055	sub maps($) {
		1056	my ($pl) = @_;
		1057
		1058	my $files = aio_readdir playerdir $pl
		1059	or return;
		1060
		1061	my @paths;
		1062
		1063	for (@$files) {
		1064	utf8::decode $_;
		1065	next if /\.(?:pl|pst)$/;
		1066	next unless /^$PATH_SEP/o;
		1067
		1068	s/\.map$//;
		1069	push @paths, "~" . $pl->ob->name . "/" . $_;
		1070	}
		1071
		1072	\@paths
1101	}	1073	}
1102		1074
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1075	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1076
1105	Sends an ext reply to the player.	1077	Sends an ext reply to the player.
1106		1078
1107	=cut	1079	=cut
1108		1080
1109	sub cf::player::ext_reply($$$%) {	1081	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1082	my ($self, $id, %msg) = @_;
1111		1083
1112	$msg{msgid} = $id;	1084	$msg{msgid} = $id;
1113		1085
1114	$self->send ("ext " . to_json \%msg);	1086	$self->send ("ext " . cf::to_json \%msg);
1115	}	1087	}
		1088
		1089	package cf;
1116		1090
1117	=back	1091	=back
1118		1092
1119		1093
1120	=head3 cf::map	1094	=head3 cf::map
…		…
1126	package cf::map;	1100	package cf::map;
1127		1101
1128	use Fcntl;	1102	use Fcntl;
1129	use Coro::AIO;	1103	use Coro::AIO;
1130		1104
		1105	use overload
		1106	'""' => \&as_string;
		1107
1131	our $MAX_RESET = 7200;	1108	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1109	our $DEFAULT_RESET = 3000;
1133		1110
1134	sub generate_random_map {	1111	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1112	my ($self, $rmp) = @_;
1136		1113
1137	# mit "rum" bekleckern, nicht	1114	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1115	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1119	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1120	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1121	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1122	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1123	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1124	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1126	(cf::region::find $rmp->{region}), $rmp->{custom}
		1127	)
		1128	}
		1129
		1130	sub register {
		1131	my (undef, $regex) = @_;
		1132	my $pkg = caller;
		1133
		1134	no strict;
		1135	push @{"$pkg\::ISA"}, __PACKAGE__;
		1136
		1137	$EXT_MAP{$pkg} = qr<$regex>;
		1138	}
		1139
		1140	# also paths starting with '/'
		1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1142
		1143	sub normalise {
		1144	my ($path, $base) = @_;
		1145
		1146	# map plan:
		1147	#
		1148	# /! non-realised random map exit (special hack!)
		1149	# {... are special paths that are not being touched
		1150	# ?xxx/... are special absolute paths
		1151	# ?random/... random maps
		1152	# /... normal maps
		1153	# ~user/... per-player map of a specific user
		1154
		1155	$path =~ s/$PATH_SEP/\//go;
		1156
		1157	# treat it as relative path if it starts with
		1158	# something that looks reasonable
		1159	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1160	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1161
		1162	$base =~ s{[^/]+/?$}{};
		1163	$path = "$base/$path";
		1164	}
		1165
		1166	for ($path) {
		1167	redo if s{//}{/};
		1168	redo if s{/\.?/}{/};
		1169	redo if s{/[^/]+/\.\./}{/};
		1170	}
		1171
		1172	$path
		1173	}
		1174
		1175	sub new_from_path {
		1176	my (undef, $path, $base) = @_;
		1177
		1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1179
		1180	$path = normalise $path, $base;
		1181
		1182	for my $pkg (keys %EXT_MAP) {
		1183	if ($path =~ $EXT_MAP{$pkg}) {
		1184	my $self = bless cf::map::new, $pkg;
		1185	$self->{path} = $path; $self->path ($path);
		1186	$self->init; # pass $1 etc.
		1187	return $self;
		1188	}
		1189	}
		1190
		1191	Carp::carp "unable to resolve path '$path'.";
		1192	()
		1193	}
		1194
		1195	sub init {
		1196	my ($self) = @_;
		1197
		1198	$self
		1199	}
		1200
		1201	sub as_string {
		1202	my ($self) = @_;
		1203
		1204	"$self->{path}"
		1205	}
		1206
		1207	# the displayed name, this is a one way mapping
		1208	sub visible_name {
		1209	&as_string
		1210	}
		1211
		1212	# the original (read-only) location
		1213	sub load_path {
		1214	my ($self) = @_;
		1215
		1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1217	}
		1218
		1219	# the temporary/swap location
		1220	sub save_path {
		1221	my ($self) = @_;
		1222
		1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1225	}
		1226
		1227	# the unique path, undef == no special unique path
		1228	sub uniq_path {
		1229	my ($self) = @_;
		1230
		1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1233	}
1152		1234
1153	# and all this just because we cannot iterate over	1235	# and all this just because we cannot iterate over
1154	# all maps in C++...	1236	# all maps in C++...
1155	sub change_all_map_light {	1237	sub change_all_map_light {
…		…
1157		1239
1158	$_->change_map_light ($change)	1240	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1241	for grep $_->outdoor, values %cf::MAP;
1160	}	1242	}
1161		1243
		1244	sub unlink_save {
		1245	my ($self) = @_;
		1246
		1247	utf8::encode (my $save = $self->save_path);
		1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
		1250	}
		1251
1162	sub try_load_header($) {	1252	sub load_header_from($) {
1163	my ($path) = @_;	1253	my ($self, $path) = @_;
1164		1254
1165	utf8::encode $path;	1255	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1256	aio_open $path, O_RDONLY, 0
1167	or return;	1257	or return;
1168		1258
1169	my $map = cf::map::new	1259	$self->_load_header ($path)
1170	or return;	1260	or return;
1171		1261
1172	$map->load_header ($path)	1262	$self->{load_path} = $path;
		1263
		1264	1
		1265	}
		1266
		1267	sub load_orig {
		1268	my ($self) = @_;
		1269
		1270	$self->load_header_from ($self->load_path)
		1271	}
		1272
		1273	sub load_temp {
		1274	my ($self) = @_;
		1275
		1276	$self->load_header_from ($self->save_path)
		1277	}
		1278
		1279	sub load_header {
		1280	my ($self) = @_;
		1281
		1282	if ($self->load_temp) {
		1283	$self->last_access ((delete $self->{last_access})
		1284	|| $cf::RUNTIME); #d#
		1285	# safety
		1286	$self->{instantiate_time} = $cf::RUNTIME
		1287	if $self->{instantiate_time} > $cf::RUNTIME;
		1288	} else {
		1289	$self->load_orig
1173	or return;	1290	or return;
1174		1291
1175	$map->{load_path} = $path;	1292	$self->{load_original} = 1;
		1293	$self->{instantiate_time} = $cf::RUNTIME;
		1294	$self->last_access ($cf::RUNTIME);
		1295	$self->instantiate;
		1296	}
1176		1297
1177	$map	1298	1
1178	}	1299	}
1179		1300
		1301	sub find;
1180	sub find_map {	1302	sub find {
1181	my ($path, $origin) = @_;	1303	my ($path, $origin) = @_;
1182		1304
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1305	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1306
1188	cf::lock_wait "map_find:$key";	1307	cf::lock_wait "map_find:$path";
1189		1308
1190	$cf::MAP{$key} || do {	1309	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1310	my $guard = cf::lock_acquire "map_find:$path";
1192		1311	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1312	or return;
1208		1313
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1314	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1315
		1316	$map->load_header
		1317	or return;
1221		1318
1222	if ($map->should_reset) {	1319	if ($map->should_reset) {
1223	$map->reset;	1320	$map->reset;
1224	undef $guard;	1321	undef $guard;
1225	$map = cf::map::find_map ($path)	1322	$map = find $path
1226	or return;	1323	or return;
1227	}	1324	}
1228		1325
1229	$cf::MAP{$key} = $map	1326	$cf::MAP{$path} = $map
1230	}	1327	}
1231	}	1328	}
1232		1329
1233	sub load {	1330	sub load {
1234	my ($self) = @_;	1331	my ($self) = @_;
1235		1332
1236	my $path = $self->{path};	1333	my $path = $self->{path};
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1334	my $guard = cf::lock_acquire "map_load:$path";
1238		1335
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1336	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1337
1241	$self->in_memory (cf::MAP_LOADING);	1338	$self->in_memory (cf::MAP_LOADING);
1242		1339
1243	$self->alloc;	1340	$self->alloc;
1244	$self->load_objects ($self->{load_path}, 1)	1341	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1342	or return;
1246		1343
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1345	if delete $self->{load_original};
1249		1346
1250	if (my $uniq = $path->uniq_path) {	1347	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1348	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1349	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1350	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1351	$self->_load_objects ($uniq, 0);
1255	}	1352	}
1256	}	1353	}
		1354
		1355	Coro::cede;
1257		1356
1258	# now do the right thing for maps	1357	# now do the right thing for maps
1259	$self->link_multipart_objects;	1358	$self->link_multipart_objects;
1260		1359
1261	if ($self->{path}->is_style_map) {	1360	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1361	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1362	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1363	$self->update_buttons;
		1364	Coro::cede;
1268	$self->set_darkness_map;	1365	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1366	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1367	unless $self->difficulty;
		1368	Coro::cede;
1271	$self->activate;	1369	$self->activate;
1272	}	1370	}
1273		1371
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1372	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1373	}
1276		1374
1277	sub load_map_sync {	1375	sub customise_for {
		1376	my ($self, $ob) = @_;
		1377
		1378	return find "~" . $ob->name . "/" . $self->{path}
		1379	if $self->per_player;
		1380
		1381	$self
		1382	}
		1383
		1384	# find and load all maps in the 3x3 area around a map
		1385	sub load_diag {
		1386	my ($map) = @_;
		1387
		1388	my @diag; # diagonal neighbours
		1389
		1390	for (0 .. 3) {
		1391	my $neigh = $map->tile_path ($_)
		1392	or next;
		1393	$neigh = find $neigh, $map
		1394	or next;
		1395	$neigh->load;
		1396
		1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1399	}
		1400
		1401	for (@diag) {
		1402	my $neigh = find @$_
		1403	or next;
		1404	$neigh->load;
		1405	}
		1406	}
		1407
		1408	sub find_sync {
1278	my ($path, $origin) = @_;	1409	my ($path, $origin) = @_;
1279		1410
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1411	cf::sync_job { find $path, $origin }
		1412	}
1281		1413
1282	cf::sync_job {	1414	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	1415	my ($map) = @_;
		1416
		1417	cf::sync_job { $map->load };
		1418	}
		1419
		1420	our %MAP_PREFETCH;
		1421	our $MAP_PREFETCHER = Coro::async {
		1422	while () {
		1423	for my $path (keys %MAP_PREFETCH) {
		1424	my $map = find $path
1284	or return;	1425	or next;
1285	$map->load;	1426	$map->load;
1286	$map	1427
		1428	delete $MAP_PREFETCH{$path};
		1429	}
		1430	Coro::schedule;
1287	}	1431	}
		1432	};
		1433
		1434	sub find_async {
		1435	my ($path, $origin) = @_;
		1436
		1437	$path = normalise $path, $origin && $origin->{path};
		1438
		1439	if (my $map = $cf::MAP{$path}) {
		1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1441	}
		1442
		1443	$MAP_PREFETCH{$path} = 0;
		1444	$MAP_PREFETCHER->ready;
		1445
		1446	()
1288	}	1447	}
1289		1448
1290	sub save {	1449	sub save {
1291	my ($self) = @_;	1450	my ($self) = @_;
1292		1451
		1452	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1453
1293	$self->{last_save} = $cf::RUNTIME;	1454	$self->{last_save} = $cf::RUNTIME;
1294		1455
1295	return unless $self->dirty;	1456	return unless $self->dirty;
1296		1457
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1458	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1459	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		1460
1300	$self->{load_path} = $save;	1461	$self->{load_path} = $save;
1301		1462
1302	return if $self->{deny_save};	1463	return if $self->{deny_save};
1303		1464
		1465	local $self->{last_access} = $self->last_access;#d#
		1466
		1467	cf::async {
		1468	$_->contr->save for $self->players;
		1469	};
		1470
1304	if ($uniq) {	1471	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1473	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1474	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1475	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	1476	}
1310	}	1477	}
1311		1478
1312	sub swap_out {	1479	sub swap_out {
1313	my ($self) = @_;	1480	my ($self) = @_;
		1481
		1482	# save first because save cedes
		1483	$self->save;
		1484
		1485	my $lock = cf::lock_acquire "map_data:" . $self->path;
1314		1486
1315	return if $self->players;	1487	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1488	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1489	return if $self->{deny_save};
1318		1490
1319	$self->save;
1320	$self->clear;	1491	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1492	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1493	}
1323		1494
1324	sub reset_at {	1495	sub reset_at {
1325	my ($self) = @_;	1496	my ($self) = @_;
1326		1497
1327	# TODO: safety, remove and allow resettable per-player maps	1498	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1499	return 1e99 if $self->isa ("ext::map_per_player");
1329	return 1e99 if $self->{deny_reset};	1500	return 1e99 if $self->{deny_reset};
1330		1501
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1504
…		…
1338	my ($self) = @_;	1509	my ($self) = @_;
1339		1510
1340	$self->reset_at <= $cf::RUNTIME	1511	$self->reset_at <= $cf::RUNTIME
1341	}	1512	}
1342		1513
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {	1514	sub rename {
1352	my ($self, $new_path) = @_;	1515	my ($self, $new_path) = @_;
1353		1516
		1517	normalise $new_path;
		1518
1354	$self->unlink_save;	1519	$self->unlink_save;
1355		1520
1356	delete $cf::MAP{$self->path};	1521	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;	1522	$self->{path} = $new_path; $self->path ($self->{path});
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;	1523	$cf::MAP{$self->path} = $self;
1360		1524
1361	$self->save;	1525	$self->save;
1362	}	1526	}
1363		1527
1364	sub reset {	1528	sub reset {
1365	my ($self) = @_;	1529	my ($self) = @_;
1366		1530
		1531	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1532
1367	return if $self->players;	1533	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1534	return if $self->isa ("ext::map_per_player");#d#
1369		1535
1370	warn "resetting map ", $self->path;#d#	1536	warn "resetting map ", $self->path;#d#
1371		1537
1372	delete $cf::MAP{$self->path};	1538	delete $cf::MAP{$self->path};
		1539
		1540	$self->in_memory (cf::MAP_SWAPPED);
		1541	$self->clear;
1373		1542
1374	$_->clear_links_to ($self) for values %cf::MAP;	1543	$_->clear_links_to ($self) for values %cf::MAP;
1375		1544
1376	$self->unlink_save;	1545	$self->unlink_save;
1377	$self->destroy;	1546	$self->destroy;
…		…
1386	$self->reset_timeout (1);	1555	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1556	$self->rename ("{nuke}/" . ($nuke_counter++));
1388	$self->reset; # polite request, might not happen	1557	$self->reset; # polite request, might not happen
1389	}	1558	}
1390		1559
1391	sub customise_for {	1560	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1561
1394	if ($map->per_player) {	1562	Returns an arrayref of paths of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1563	instantiated unique items. May block.
1396	}
1397		1564
1398	$map	1565	=cut
1399	}
1400		1566
1401	sub emergency_save {	1567	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1569	or return;
1403		1570
1404	warn "enter emergency map save\n";	1571	my @paths;
1405		1572
1406	cf::sync_job {	1573	for (@$files) {
1407	warn "begin emergency map save\n";	1574	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1575	next if /\.pst$/;
		1576	next unless /^$PATH_SEP/o;
		1577
		1578	s/\.map$//;
		1579	push @paths, $_;
1409	};	1580	}
1410		1581
1411	warn "end emergency map save\n";	1582	\@paths
1412	}	1583	}
1413		1584
1414	package cf;	1585	package cf;
1415		1586
1416	=back	1587	=back
1417		1588
		1589	=head3 cf::object
		1590
		1591	=cut
		1592
		1593	package cf::object;
		1594
		1595	=over 4
		1596
		1597	=item $ob->inv_recursive
		1598
		1599	Returns the inventory of the object _and_ their inventories, recursively.
		1600
		1601	=cut
		1602
		1603	sub inv_recursive_;
		1604	sub inv_recursive_ {
		1605	map { $_, inv_recursive_ $_->inv } @_
		1606	}
		1607
		1608	sub inv_recursive {
		1609	inv_recursive_ inv $_[0]
		1610	}
		1611
		1612	package cf;
		1613
		1614	=back
1418		1615
1419	=head3 cf::object::player	1616	=head3 cf::object::player
1420		1617
1421	=over 4	1618	=over 4
1422		1619
…		…
1462		1659
1463	=item $player_object->enter_link	1660	=item $player_object->enter_link
1464		1661
1465	Freezes the player and moves him/her to a special map (C<{link}>).	1662	Freezes the player and moves him/her to a special map (C<{link}>).
1466		1663
1467	The player should be reaosnably safe there for short amounts of time. You	1664	The player should be reasonably safe there for short amounts of time. You
1468	I<MUST> call C<leave_link> as soon as possible, though.	1665	I<MUST> call C<leave_link> as soon as possible, though.
1469		1666
		1667	Will never block.
		1668
1470	=item $player_object->leave_link ($map, $x, $y)	1669	=item $player_object->leave_link ($map, $x, $y)
1471		1670
1472	Moves the player out of the specila link map onto the given map. If the	1671	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	1672	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	1673	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	1674	fails, to the emergency map position.
1476		1675
1477	Might block.	1676	Might block.
1478		1677
1479	=cut	1678	=cut
		1679
		1680	sub link_map {
		1681	unless ($LINK_MAP) {
		1682	$LINK_MAP = cf::map::find "{link}"
		1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1684	$LINK_MAP->load;
		1685	}
		1686
		1687	$LINK_MAP
		1688	}
1480		1689
1481	sub cf::object::player::enter_link {	1690	sub cf::object::player::enter_link {
1482	my ($self) = @_;	1691	my ($self) = @_;
1483		1692
1484	$self->deactivate_recursive;	1693	$self->deactivate_recursive;
1485		1694
1486	return if $self->map == $LINK_MAP;	1695	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		1696
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	1698	if $self->map;
1490		1699
1491	$self->enter_map ($LINK_MAP, 20, 20);	1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1492	}	1701	}
1493		1702
1494	sub cf::object::player::leave_link {	1703	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	1704	my ($self, $map, $x, $y) = @_;
1496		1705
1497	my $link_pos = delete $self->{_link_pos};	1706	my $link_pos = delete $self->{_link_pos};
1498		1707
1499	unless ($map) {	1708	unless ($map) {
1500	# restore original map position	1709	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1710	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1711	$map = cf::map::find $map;
1503		1712
1504	unless ($map) {	1713	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1714	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1715	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1716	or die "FATAL: cannot load emergency map\n";
1508	}	1717	}
1509	}	1718	}
1510		1719
1511	($x, $y) = (-1, -1)	1720	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1723	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1724	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1725	if $x <=0 && $y <= 0;
1517		1726
1518	$map->load;	1727	$map->load;
		1728	$map->load_diag;
1519		1729
		1730	return unless $self->contr->active;
1520	$self->activate_recursive;	1731	$self->activate_recursive;
1521	$self->enter_map ($map, $x, $y);	1732	$self->enter_map ($map, $x, $y);
1522	}	1733	}
1523		1734
1524	cf::player->attach (	1735	cf::player->attach (
…		…
1537		1748
1538	# try to abort aborted map switching on player login :)	1749	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1750	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1751	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1752	$pl->ob->enter_link;
1542	Coro::async {	1753	(async {
1543	# we need this sleep as the login has a concurrent enter_exit running	1754	# we need this sleep as the login has a concurrent enter_exit running
1544	# and this sleep increases chances of the player not ending up in scorn	1755	# and this sleep increases chances of the player not ending up in scorn
		1756	$pl->ob->reply (undef,
		1757	"There was an internal problem at your last logout, "
		1758	. "the server will try to bring you to your intended destination in a second.",
		1759	cf::NDI_RED);
1545	Coro::Timer::sleep 1;	1760	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1761	$pl->ob->leave_link;
1547	};	1762	})->prio (2);
1548	}	1763	}
1549	},	1764	},
1550	);	1765	);
1551		1766
1552	=item $player_object->goto_map ($path, $x, $y)	1767	=item $player_object->goto ($path, $x, $y)
1553		1768
1554	=cut	1769	=cut
1555		1770
1556	sub cf::object::player::goto_map {	1771	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1772	my ($self, $path, $x, $y) = @_;
1558		1773
1559	$self->enter_link;	1774	$self->enter_link;
1560		1775
1561	(Coro::async {	1776	(async {
1562	$path = new cf::path $path;
1563
1564	my $map = cf::map::find_map $path->as_string;	1777	my $map = cf::map::find $path;
1565	$map = $map->customise_for ($self) if $map;	1778	$map = $map->customise_for ($self) if $map;
1566		1779
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1780	# warn "entering ", $map->path, " at ($x, $y)\n"
1568	# if $map;	1781	# if $map;
1569		1782
1570	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1571		1784
1572	$self->leave_link ($map, $x, $y);	1785	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1786	})->prio (1);
1574	}	1787	}
1575		1788
…		…
1628		1841
1629	return unless $self->type == cf::PLAYER;	1842	return unless $self->type == cf::PLAYER;
1630		1843
1631	$self->enter_link;	1844	$self->enter_link;
1632		1845
1633	(Coro::async {	1846	(async {
		1847	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	1848	unless (eval {
1635
1636	prepare_random_map $exit	1849	prepare_random_map $exit
1637	if $exit->slaying eq "/!";	1850	if $exit->slaying eq "/!";
1638		1851
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1641		1854
1642	1;	1855	1;
1643	}) {	1856	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	1857	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "I'll try to bring you back to the map you were before. "	1858	. "I'll try to bring you back to the map you were before. "
1646	. "Please report this to the dungeon master",	1859	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	1860	cf::NDI_UNIQUE | cf::NDI_RED);
1648		1861
1649	warn "ERROR in enter_exit: $@";	1862	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	1863	$self->leave_link;
1651	}	1864	}
…		…
1702	on_reply => sub {	1915	on_reply => sub {
1703	my ($ns, $msg) = @_;	1916	my ($ns, $msg) = @_;
1704		1917
1705	# this weird shuffling is so that direct followup queries	1918	# this weird shuffling is so that direct followup queries
1706	# get handled first	1919	# get handled first
1707	my $queue = delete $ns->{query_queue};	1920	my $queue = delete $ns->{query_queue}
		1921	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		1922
1709	(shift @$queue)->[1]->($msg);	1923	(shift @$queue)->[1]->($msg);
1710		1924
1711	push @{ $ns->{query_queue} }, @$queue;	1925	push @{ $ns->{query_queue} }, @$queue;
1712		1926
…		…
1718	}	1932	}
1719	}	1933	}
1720	},	1934	},
1721	);	1935	);
1722		1936
1723	=item $client->coro (\&cb)	1937	=item $client->async (\&cb)
1724		1938
1725	Create a new coroutine, running the specified callback. The coroutine will	1939	Create a new coroutine, running the specified callback. The coroutine will
1726	be automatically cancelled when the client gets destroyed (e.g. on logout,	1940	be automatically cancelled when the client gets destroyed (e.g. on logout,
1727	or loss of connection).	1941	or loss of connection).
1728		1942
1729	=cut	1943	=cut
1730		1944
1731	sub cf::client::coro {	1945	sub cf::client::async {
1732	my ($self, $cb) = @_;	1946	my ($self, $cb) = @_;
1733		1947
1734	my $coro; $coro = async {	1948	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		1949
1741	$coro->on_destroy (sub {	1950	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	1951	delete $self->{_coro}{$coro+0};
1743	});	1952	});
1744		1953
…		…
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2188	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2189	or return;
1981		2190
1982	local $/;	2191	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2192	*CFG = YAML::Syck::Load <$fh>;
		2193
		2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2195
		2196	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2197	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2198
		2199	if (exists $CFG{mlockall}) {
		2200	eval {
		2201	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2202	and die "WARNING: m(un)lockall failed: $!\n";
		2203	};
		2204	warn $@ if $@;
		2205	}
1984	}	2206	}
1985		2207
1986	sub main {	2208	sub main {
1987	# we must not ever block the main coroutine	2209	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2210	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {
1991	Event::one_event;	2212	async { Event::one_event };
1992	})->();
1993	};	2213	};
1994		2214
1995	cfg_load;	2215	cfg_load;
1996	db_load;	2216	db_load;
1997	load_extensions;	2217	load_extensions;
1998	Event::loop;	2218	Event::loop;
1999	}	2219	}
2000		2220
2001	#############################################################################	2221	#############################################################################
2002	# initialisation	2222	# initialisation and cleanup
		2223
		2224	# install some emergency cleanup handlers
		2225	BEGIN {
		2226	for my $signal (qw(INT HUP TERM)) {
		2227	Event->signal (
		2228	data => WF_AUTOCANCEL,
		2229	signal => $signal,
		2230	cb => sub {
		2231	cf::cleanup "SIG$signal";
		2232	},
		2233	);
		2234	}
		2235	}
		2236
		2237	sub emergency_save() {
		2238	my $freeze_guard = cf::freeze_mainloop;
		2239
		2240	warn "enter emergency perl save\n";
		2241
		2242	cf::sync_job {
		2243	# use a peculiar iteration method to avoid tripping on perl
		2244	# refcount bugs in for. also avoids problems with players
		2245	# and maps saved/destroyed asynchronously.
		2246	warn "begin emergency player save\n";
		2247	for my $login (keys %cf::PLAYER) {
		2248	my $pl = $cf::PLAYER{$login} or next;
		2249	$pl->valid or next;
		2250	$pl->save;
		2251	}
		2252	warn "end emergency player save\n";
		2253
		2254	warn "begin emergency map save\n";
		2255	for my $path (keys %cf::MAP) {
		2256	my $map = $cf::MAP{$path} or next;
		2257	$map->valid or next;
		2258	$map->save;
		2259	}
		2260	warn "end emergency map save\n";
		2261	};
		2262
		2263	warn "leave emergency perl save\n";
		2264	}
2003		2265
2004	sub reload() {	2266	sub reload() {
2005	# can/must only be called in main	2267	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2268	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2269	warn "can only reload from main coroutine\n";
2008	return;	2270	return;
2009	}	2271	}
2010		2272
2011	warn "reloading...";	2273	warn "reloading...";
2012		2274
2013	local $FREEZE = 1;	2275	warn "freezing server";
		2276	my $guard = freeze_mainloop;
2014	cf::emergency_save;	2277	cf::emergency_save;
		2278
		2279	warn "sync database to disk";
		2280	cf::db_sync;
		2281	IO::AIO::flush;
2015		2282
2016	eval {	2283	eval {
2017	# if anything goes wrong in here, we should simply crash as we already saved	2284	# if anything goes wrong in here, we should simply crash as we already saved
2018		2285
2019	# cancel all watchers	2286	warn "cancel all watchers";
2020	for (Event::all_watchers) {	2287	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2288	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2289	}
2023		2290
2024	# cancel all extension coros	2291	warn "cancel all extension coros";
2025	$_->cancel for values %EXT_CORO;	2292	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2293	%EXT_CORO = ();
2027		2294
		2295	warn "remove commands";
		2296	%COMMAND = ();
		2297
		2298	warn "remove ext commands";
		2299	%EXTCMD = ();
		2300
2028	# unload all extensions	2301	warn "unload/nuke all extensions";
2029	for (@exts) {	2302	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2303	warn "... unloading $pkg";
2031	unload_extension $_;	2304
		2305	if (my $cb = $pkg->can ("unload")) {
		2306	eval {
		2307	$cb->($pkg);
		2308	1
		2309	} or warn "$pkg unloaded, but with errors: $@";
2032	}	2310	}
2033		2311
		2312	warn "... nuking $pkg";
		2313	Symbol::delete_package $pkg;
		2314	}
		2315
2034	# unload all modules loaded from $LIBDIR	2316	warn "unload all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2317	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2319
2038	warn "removing <$k>";	2320	warn "removing <$k>";
2039	delete $INC{$k};	2321	delete $INC{$k};
…		…
2046	}	2328	}
2047		2329
2048	Symbol::delete_package $k;	2330	Symbol::delete_package $k;
2049	}	2331	}
2050		2332
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2333	warn "get rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2334	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		2336
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2337	warn "unload cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2338	delete $INC{"cf.pm"};
2064		2339
2065	# don't, removes xs symbols, too,	2340	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2341	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2342	#Symbol::delete_package __PACKAGE__;
2068		2343
2069	# reload cf.pm
2070	warn "reloading cf.pm";	2344	warn "reloading cf.pm";
2071	require cf;	2345	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2347
2074	# load config and database again	2348	warn "load config and database again";
2075	cf::cfg_load;	2349	cf::cfg_load;
2076	cf::db_load;	2350	cf::db_load;
2077		2351
2078	# load extensions
2079	warn "load extensions";	2352	warn "load extensions";
2080	cf::load_extensions;	2353	cf::load_extensions;
2081		2354
2082	# reattach attachments to objects	2355	warn "reattach attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2356	_global_reattach;
		2357	warn "reattach attachments to maps";
		2358	reattach $_ for values %MAP;
2085	};	2359	};
2086		2360
2087	if ($@) {	2361	if ($@) {
2088	warn $@;	2362	warn $@;
2089	warn "error while reloading, exiting.";	2363	warn "error while reloading, exiting.";
2090	exit 1;	2364	exit 1;
2091	}	2365	}
2092		2366
2093	warn "reloaded successfully";	2367	warn "reloaded";
2094	};	2368	};
2095
2096	#############################################################################
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2369
2141	register_command "reload" => sub {	2370	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2371	my ($who, $arg) = @_;
2143		2372
2144	if ($who->flag (FLAG_WIZ)) {	2373	if ($who->flag (FLAG_WIZ)) {
…		…
2154	reentrant => 0,	2383	reentrant => 0,
2155	prio => 0,	2384	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2385	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2386	data => WF_AUTOCANCEL,
2158	cb => sub {	2387	cb => sub {
2159	unless ($FREEZE) {	2388	$NOW = Event::time;
		2389
2160	cf::server_tick; # one server iteration	2390	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2391	$RUNTIME += $TICK;
2162	}
2163
2164	$NEXT_TICK += $TICK;	2392	$NEXT_TICK += $TICK;
		2393
		2394	$WAIT_FOR_TICK->broadcast;
		2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2165		2396
2166	# if we are delayed by four ticks or more, skip them all	2397	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2399
2169	$TICK_WATCHER->at ($NEXT_TICK);	2400	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2191	or warn "ERROR: unable to write runtime file: $!";	2422	or warn "ERROR: unable to write runtime file: $!";
2192	})->();	2423	})->();
2193	},	2424	},
2194	);	2425	);
2195		2426
		2427	END { cf::emergency_save }
		2428
2196	1	2429	1
2197		2430

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