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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 1.171 by root, Sun Jan 14 12:24:48 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;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
180		213
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	294	=cut
198		295
199	sub sync_job(&) {	296	sub sync_job(&) {
200	my ($job) = @_;	297	my ($job) = @_;
201		298
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 == $Coro::main) {	299	if ($Coro::current == $Coro::main) {
		300	# this is the main coro, too bad, we have to block
		301	# till the operation succeeds, freezing the server :/
		302
212	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	304	# (but this is cancel-safe)
		305	my $freeze_guard = freeze_mainloop;
		306
		307	my $busy = 1;
		308	my @res;
		309
		310	(async {
		311	@res = eval { $job->() };
		312	warn $@ if $@;
		313	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
		315
215	while ($busy) {	316	while ($busy) {
216	Coro::cede_notself;	317	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	318	}
		319
		320	wantarray ? @res : $res[0]
219	} else {	321	} else {
220	$coro->join;	322	# we are in another coroutine, how wonderful, everything just works
		323
		324	$job->()
221	}	325	}
222
223	wantarray ? @res : $res[0]
224	}	326	}
225		327
226	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
227		329
228	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
230		332
231	=cut	333	=cut
232		334
233	sub coro(&) {	335	sub async_ext(&) {
234	my $cb = shift;	336	my $cb = shift;
235		337
236	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		339
243	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
245	});	342	});
246	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
253		350
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	352	or return;
256		353
257	my $value = $cf::RUNTIME;	354	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	355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	356	and return;
260		357
261	aio_fsync $fh	358	aio_fsync $fh
262	and return;	359	and return;
…		…
271	}	368	}
272		369
273	=back	370	=back
274		371
275	=cut	372	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($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		373
387	#############################################################################	374	#############################################################################
388		375
389	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
390		377
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	504	our @CB_MAP = ();
518		505
519	my %attachment;	506	my %attachment;
520		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
521	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
523		516
524	use sort 'stable';	517	use sort 'stable';
525		518
…		…
696	# object support	689	# object support
697		690
698	sub reattach {	691	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		696
702	my $registry = $obj->registry;	697	my $registry = $obj->registry;
703		698
704	@$registry = ();	699	@$registry = ();
705		700
…		…
798	or return;	793	or return;
799		794
800	unless (aio_stat "$filename.pst") {	795	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	796	(aio_load "$filename.pst", $av) >= 0
802	or return;	797	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	798	$av = eval { (Storable::thaw $av)->{objs} };
804	}	799	}
805		800
		801	warn sprintf "loading %s (%d)\n",
		802	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	803	return ($data, $av);
807	}	804	}
808		805
809	#############################################################################	806	#############################################################################
810	# command handling &c	807	# command handling &c
…		…
835	=cut	832	=cut
836		833
837	sub register_extcmd {	834	sub register_extcmd {
838	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
839		836
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
844	}	838	}
845		839
846	cf::player->attach (	840	cf::player->attach (
847	on_command => sub {	841	on_command => sub {
848	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
861		855
862	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
863		857
864	if (ref $msg) {	858	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	862	}
869	}	863	}
870	} else {	864	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		867
874	cf::override;	868	cf::override;
875	},	869	},
876	);	870	);
877		871
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	872	sub load_extension {
885	my ($path) = @_;	873	my ($path) = @_;
886		874
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	876	my $base = $1;
889	my $pkg = $1;	877	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
892		880
893	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
894		882
895	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
896	or die "$path: $!";	884	or die "$path: $!";
897		885
898	my $source =	886	my $source =
899	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
902	. "\n};\n1";	890	. "\n};\n1";
903		891
904	eval $source	892	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	894	: "extension disabled.\n";
907		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	896	warn $@;
909	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
910		898	exit 1;
911	# no strict 'refs';	899	}
912	# @{"$pkg\::ISA"} = ext::;	900	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	# }	901	}
927		902
928	# remove commands	903	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	}	904	}
953		905
954	sub load_extensions {	906	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	908	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
961	}	913	}
962	}	914	}
963		915
964	#############################################################################	916	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
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		917
1002	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1003		919
1004	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1005		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1006	=head3 cf::player	928	=head3 cf::player
1007		929
1008	=over 4	930	=over 4
1009		931
1010	=item cf::player::exists $login	932	=item cf::player::find $login
1011		933
1012	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1013		935
1014	=cut	936	=cut
1015		937
1016	sub cf::player::exists($) {	938	sub playerdir($) {
1017	cf::player::find $_[0]	939	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	940	. "/"
		941	. cf::playerdir
		942	. "/"
		943	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		944	}
		945
		946	sub path($) {
		947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		948
		949	(playerdir $login) . "/$login.pl"
		950	}
		951
		952	sub find_active($) {
		953	$cf::PLAYER{$_[0]}
		954	and $cf::PLAYER{$_[0]}->active
		955	and $cf::PLAYER{$_[0]}
		956	}
		957
		958	sub exists($) {
		959	my ($login) = @_;
		960
		961	$cf::PLAYER{$login}
		962	or cf::sync_job { !aio_stat $login }
		963	}
		964
		965	sub find($) {
		966	return $cf::PLAYER{$_[0]} || do {
		967	my $login = $_[0];
		968
		969	my $guard = cf::lock_acquire "user_find:$login";
		970
		971	$cf::PLAYER{$_[0]} || do {
		972	my $pl = load_pl path $login
		973	or return;
		974	$cf::PLAYER{$login} = $pl
		975	}
		976	}
		977	}
		978
		979	sub save($) {
		980	my ($pl) = @_;
		981
		982	return if $pl->{deny_save};
		983
		984	my $path = path $pl;
		985	my $guard = cf::lock_acquire "user_save:$path";
		986
		987	return if $pl->{deny_save};
		988
		989	aio_mkdir playerdir $pl, 0770;
		990	$pl->{last_save} = $cf::RUNTIME;
		991
		992	$pl->save_pl ($path);
		993	Coro::cede;
		994	}
		995
		996	sub new($) {
		997	my ($login) = @_;
		998
		999	my $self = create;
		1000
		1001	$self->ob->name ($login);
		1002	$self->{deny_save} = 1;
		1003
		1004	$cf::PLAYER{$login} = $self;
		1005
		1006	$self
		1007	}
		1008
		1009	=item $pl->quit_character
		1010
		1011	Nukes the player without looking back. If logged in, the connection will
		1012	be destroyed. May block for a long time.
		1013
		1014	=cut
		1015
		1016	sub quit_character {
		1017	my ($pl) = @_;
		1018
		1019	$pl->{deny_save} = 1;
		1020	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1021
		1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1023	$pl->deactivate;
		1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1025	$pl->ns->destroy if $pl->ns;
		1026
		1027	my $path = playerdir $pl;
		1028	my $temp = "$path~$cf::RUNTIME~deleting~";
		1029	aio_rename $path, $temp;
		1030	delete $cf::PLAYER{$pl->ob->name};
		1031	$pl->destroy;
		1032	IO::AIO::aio_rmtree $temp;
		1033	}
		1034
		1035	=item cf::player::list_logins
		1036
		1037	Returns am arrayref of all valid playernames in the system, can take a
		1038	while and may block, so not sync_job-capable, ever.
		1039
		1040	=cut
		1041
		1042	sub list_logins {
		1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1044	or return [];
		1045
		1046	my @logins;
		1047
		1048	for my $login (@$dirs) {
		1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1050	aio_read $fh, 0, 512, my $buf, 0 or next;
		1051	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1052
		1053	utf8::decode $login;
		1054	push @logins, $login;
		1055	}
		1056
		1057	\@logins
		1058	}
		1059
		1060	=item $player->maps
		1061
		1062	Returns an arrayref of map paths that are private for this
		1063	player. May block.
		1064
		1065	=cut
		1066
		1067	sub maps($) {
		1068	my ($pl) = @_;
		1069
		1070	my $files = aio_readdir playerdir $pl
		1071	or return;
		1072
		1073	my @paths;
		1074
		1075	for (@$files) {
		1076	utf8::decode $_;
		1077	next if /\.(?:pl|pst)$/;
		1078	next unless /^$PATH_SEP/o;
		1079
		1080	s/\.map$//;
		1081	push @paths, "~" . $pl->ob->name . "/" . $_;
		1082	}
		1083
		1084	\@paths
1019	}	1085	}
1020		1086
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1088
1023	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1024		1090
1025	=cut	1091	=cut
1026		1092
1027	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1029		1095
1030	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1031		1097
1032	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1033	}	1099	}
		1100
		1101	package cf;
1034		1102
1035	=back	1103	=back
1036		1104
1037		1105
1038	=head3 cf::map	1106	=head3 cf::map
…		…
1044	package cf::map;	1112	package cf::map;
1045		1113
1046	use Fcntl;	1114	use Fcntl;
1047	use Coro::AIO;	1115	use Coro::AIO;
1048		1116
		1117	use overload
		1118	'""' => \&as_string;
		1119
1049	our $MAX_RESET = 7200;	1120	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1121	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1122
1054	sub generate_random_map {	1123	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1124	my ($self, $rmp) = @_;
1056		1125
1057	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1127	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1138	(cf::region::find $rmp->{region}), $rmp->{custom}
		1139	)
		1140	}
		1141
		1142	sub register {
		1143	my (undef, $regex) = @_;
		1144	my $pkg = caller;
		1145
		1146	no strict;
		1147	push @{"$pkg\::ISA"}, __PACKAGE__;
		1148
		1149	$EXT_MAP{$pkg} = qr<$regex>;
		1150	}
		1151
		1152	# also paths starting with '/'
		1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1154
		1155	sub thawer_merge {
		1156	# we have to keep some variables in memory intact
		1157	local $_[0]{path};
		1158	local $_[0]{deny_save};
		1159	local $_[0]{deny_reset};
		1160
		1161	$_[0]->SUPER::thawer_merge ($_[1]);
		1162	}
		1163
		1164	sub normalise {
		1165	my ($path, $base) = @_;
		1166
		1167	# map plan:
		1168	#
		1169	# /! non-realised random map exit (special hack!)
		1170	# {... are special paths that are not being touched
		1171	# ?xxx/... are special absolute paths
		1172	# ?random/... random maps
		1173	# /... normal maps
		1174	# ~user/... per-player map of a specific user
		1175
		1176	$path =~ s/$PATH_SEP/\//go;
		1177
		1178	# treat it as relative path if it starts with
		1179	# something that looks reasonable
		1180	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1181	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1182
		1183	$base =~ s{[^/]+/?$}{};
		1184	$path = "$base/$path";
		1185	}
		1186
		1187	for ($path) {
		1188	redo if s{//}{/};
		1189	redo if s{/\.?/}{/};
		1190	redo if s{/[^/]+/\.\./}{/};
		1191	}
		1192
		1193	$path
		1194	}
		1195
		1196	sub new_from_path {
		1197	my (undef, $path, $base) = @_;
		1198
		1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1200
		1201	$path = normalise $path, $base;
		1202
		1203	for my $pkg (keys %EXT_MAP) {
		1204	if ($path =~ $EXT_MAP{$pkg}) {
		1205	my $self = bless cf::map::new, $pkg;
		1206	$self->{path} = $path; $self->path ($path);
		1207	$self->init; # pass $1 etc.
		1208	return $self;
		1209	}
		1210	}
		1211
		1212	Carp::carp "unable to resolve path '$path'.";
		1213	()
		1214	}
		1215
		1216	sub init {
		1217	my ($self) = @_;
		1218
		1219	$self
		1220	}
		1221
		1222	sub as_string {
		1223	my ($self) = @_;
		1224
		1225	"$self->{path}"
		1226	}
		1227
		1228	# the displayed name, this is a one way mapping
		1229	sub visible_name {
		1230	&as_string
		1231	}
		1232
		1233	# the original (read-only) location
		1234	sub load_path {
		1235	my ($self) = @_;
		1236
		1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1238	}
		1239
		1240	# the temporary/swap location
		1241	sub save_path {
		1242	my ($self) = @_;
		1243
		1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1246	}
		1247
		1248	# the unique path, undef == no special unique path
		1249	sub uniq_path {
		1250	my ($self) = @_;
		1251
		1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1254	}
1072		1255
1073	# and all this just because we cannot iterate over	1256	# and all this just because we cannot iterate over
1074	# all maps in C++...	1257	# all maps in C++...
1075	sub change_all_map_light {	1258	sub change_all_map_light {
1076	my ($change) = @_;	1259	my ($change) = @_;
1077		1260
1078	$_->change_map_light ($change) for values %cf::MAP;	1261	$_->change_map_light ($change)
		1262	for grep $_->outdoor, values %cf::MAP;
1079	}	1263	}
1080		1264
		1265	sub unlink_save {
		1266	my ($self) = @_;
		1267
		1268	utf8::encode (my $save = $self->save_path);
		1269	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1270	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1271	}
		1272
1081	sub try_load_header($) {	1273	sub load_header_from($) {
1082	my ($path) = @_;	1274	my ($self, $path) = @_;
1083		1275
1084	utf8::encode $path;	1276	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1277	aio_open $path, O_RDONLY, 0
1086	or return;	1278	or return;
1087		1279
1088	my $map = cf::map::new	1280	$self->_load_header ($path)
1089	or return;	1281	or return;
1090		1282
1091	$map->load_header ($path)	1283	$self->{load_path} = $path;
		1284
		1285	1
		1286	}
		1287
		1288	sub load_orig {
		1289	my ($self) = @_;
		1290
		1291	$self->load_header_from ($self->load_path)
		1292	}
		1293
		1294	sub load_temp {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->save_path)
		1298	}
		1299
		1300	sub load_header {
		1301	my ($self) = @_;
		1302
		1303	if ($self->load_temp) {
		1304	$self->last_access ((delete $self->{last_access})
		1305	|| $cf::RUNTIME); #d#
		1306	# safety
		1307	$self->{instantiate_time} = $cf::RUNTIME
		1308	if $self->{instantiate_time} > $cf::RUNTIME;
		1309	} else {
		1310	$self->load_orig
1092	or return;	1311	or return;
1093		1312
1094	$map->{load_path} = $path;	1313	$self->{load_original} = 1;
1095	use Data::Dumper; warn Dumper $map;#d#	1314	$self->{instantiate_time} = $cf::RUNTIME;
		1315	$self->last_access ($cf::RUNTIME);
		1316	$self->instantiate;
		1317	}
1096		1318
1097	$map	1319	1
1098	}	1320	}
1099		1321
		1322	sub find;
1100	sub find_map {	1323	sub find {
1101	my ($path, $origin) = @_;	1324	my ($path, $origin) = @_;
1102		1325
1103	#warn "find_map<$path,$origin>\n";#d#	1326	$path = normalise $path, $origin && $origin->path;
1104		1327
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1328	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1329
1108	$cf::MAP{$key} || do {	1330	$cf::MAP{$path} || do {
1109	# do it the slow way	1331	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1332	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;	1333	or return;
1124		1334
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);	1335	$map->{last_save} = $cf::RUNTIME;
1135		1336
		1337	$map->load_header
		1338	or return;
		1339
1136	$map->reset if $map->should_reset;	1340	if ($map->should_reset) {
		1341	$cf::WAIT_FOR_TICK->wait;
		1342	$map->reset;
		1343	undef $guard;
		1344	$map = find $path
		1345	or return;
		1346	}
1137		1347
1138	$cf::MAP{$key} = $map	1348	$cf::MAP{$path} = $map
1139	}	1349	}
1140	}	1350	}
1141		1351
1142	sub load {	1352	sub load {
1143	my ($self) = @_;	1353	my ($self) = @_;
1144		1354
		1355	my $path = $self->{path};
		1356	my $guard = cf::lock_acquire "map_load:$path";
		1357
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1358	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1359
1147	$self->in_memory (cf::MAP_LOADING);	1360	$self->in_memory (cf::MAP_LOADING);
1148		1361
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1362	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1363	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1364	or return;
1154		1365
		1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1367	if delete $self->{load_original};
		1368
1155	if (my $uniq = $path->uniq_path) {	1369	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1370	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1371	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1372	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1373	$self->_load_objects ($uniq, 0);
1160	}	1374	}
1161	}	1375	}
		1376
		1377	Coro::cede;
1162		1378
1163	# now do the right thing for maps	1379	# now do the right thing for maps
1164	$self->link_multipart_objects;	1380	$self->link_multipart_objects;
1165		1381
1166	if ($self->{path}->is_style_map) {	1382	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1383	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1384	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1385	$self->update_buttons;
		1386	Coro::cede;
1173	$self->set_darkness_map;	1387	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1388	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1389	unless $self->difficulty;
		1390	Coro::cede;
1176	$self->activate;	1391	$self->activate;
1177	}	1392	}
1178		1393
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1394	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1395	}
1181		1396
1182	sub load_map_sync {	1397	sub customise_for {
		1398	my ($self, $ob) = @_;
		1399
		1400	return find "~" . $ob->name . "/" . $self->{path}
		1401	if $self->per_player;
		1402
		1403	$self
		1404	}
		1405
		1406	# find and load all maps in the 3x3 area around a map
		1407	sub load_diag {
		1408	my ($map) = @_;
		1409
		1410	my @diag; # diagonal neighbours
		1411
		1412	for (0 .. 3) {
		1413	my $neigh = $map->tile_path ($_)
		1414	or next;
		1415	$neigh = find $neigh, $map
		1416	or next;
		1417	$neigh->load;
		1418
		1419	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1420	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1421	}
		1422
		1423	for (@diag) {
		1424	my $neigh = find @$_
		1425	or next;
		1426	$neigh->load;
		1427	}
		1428	}
		1429
		1430	sub find_sync {
1183	my ($path, $origin) = @_;	1431	my ($path, $origin) = @_;
1184		1432
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1433	cf::sync_job { find $path, $origin }
		1434	}
1186		1435
1187	cf::sync_job {	1436	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1437	my ($map) = @_;
		1438
		1439	cf::sync_job { $map->load };
		1440	}
		1441
		1442	our %MAP_PREFETCH;
		1443	our $MAP_PREFETCHER = Coro::async {
		1444	while () {
		1445	for my $path (keys %MAP_PREFETCH) {
		1446	my $map = find $path
1189	or return;	1447	or next;
1190	$map->load;	1448	$map->load;
1191	$map	1449
		1450	delete $MAP_PREFETCH{$path};
		1451	}
		1452	Coro::schedule;
1192	}	1453	}
		1454	};
		1455
		1456	sub find_async {
		1457	my ($path, $origin) = @_;
		1458
		1459	$path = normalise $path, $origin && $origin->{path};
		1460
		1461	if (my $map = $cf::MAP{$path}) {
		1462	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1463	}
		1464
		1465	$MAP_PREFETCH{$path} = 0;
		1466	$MAP_PREFETCHER->ready;
		1467
		1468	()
1193	}	1469	}
1194		1470
1195	sub save {	1471	sub save {
1196	my ($self) = @_;	1472	my ($self) = @_;
1197		1473
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1474	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1475
1201	$self->{last_save} = $cf::RUNTIME;	1476	$self->{last_save} = $cf::RUNTIME;
1202		1477
1203	return unless $self->dirty;	1478	return unless $self->dirty;
1204		1479
		1480	my $save = $self->save_path; utf8::encode $save;
		1481	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1482
1205	$self->{load_path} = $save;	1483	$self->{load_path} = $save;
1206		1484
1207	return if $self->{deny_save};	1485	return if $self->{deny_save};
1208		1486
1209	warn "saving map ", $self->path;	1487	local $self->{last_access} = $self->last_access;#d#
		1488
		1489	cf::async {
		1490	$_->contr->save for $self->players;
		1491	};
1210		1492
1211	if ($uniq) {	1493	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1494	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1495	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1496	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1498	}
1217	}	1499	}
1218		1500
1219	sub swap_out {	1501	sub swap_out {
1220	my ($self) = @_;	1502	my ($self) = @_;
		1503
		1504	# save first because save cedes
		1505	$self->save;
		1506
		1507	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1508
1222	return if $self->players;	1509	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1510	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1511	return if $self->{deny_save};
1225		1512
1226	$self->save;
1227	$self->clear;	1513	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1514	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1515	}
1230		1516
		1517	sub reset_at {
		1518	my ($self) = @_;
		1519
		1520	# TODO: safety, remove and allow resettable per-player maps
		1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1522	return 1e99 if $self->{deny_reset};
		1523
		1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1526
		1527	$time + $to
		1528	}
		1529
1231	sub should_reset {	1530	sub should_reset {
1232	my ($map) = @_;	1531	my ($self) = @_;
1233		1532
1234	# TODO: safety, remove and allow resettable per-player maps	1533	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#	1534	}
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238		1535
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;	1536	sub rename {
		1537	my ($self, $new_path) = @_;
1240		1538
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME	1539	normalise $new_path;
		1540
		1541	$self->unlink_save;
		1542
		1543	delete $cf::MAP{$self->path};
		1544	$self->{path} = $new_path; $self->path ($self->{path});
		1545	$cf::MAP{$self->path} = $self;
		1546
		1547	$self->save;
1242	}	1548	}
1243		1549
1244	sub reset {	1550	sub reset {
1245	my ($self) = @_;	1551	my ($self) = @_;
1246		1552
		1553	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1554
1247	return if $self->players;	1555	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1556	return if $self->isa ("ext::map_per_player");#d#
1249		1557
1250	warn "resetting map ", $self->path;#d#	1558	warn "resetting map ", $self->path;#d#
1251		1559
1252	utf8::encode (my $save = $self->{path}->save_path);	1560	delete $cf::MAP{$self->path};
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1561
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1562	$self->in_memory (cf::MAP_SWAPPED);
		1563	$self->clear;
1255		1564
1256	$_->clear_links_to ($self) for values %cf::MAP;	1565	$_->clear_links_to ($self) for values %cf::MAP;
1257		1566
		1567	$self->unlink_save;
1258	$self->clear;	1568	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1569	}
1262		1570
1263	sub customise_for {	1571	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1572
1266	if ($map->per_player) {	1573	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1574	my ($self) = @_;
1268	}
1269		1575
1270	$map	1576	$self->{deny_save} = 1;
		1577	$self->reset_timeout (1);
		1578	$self->rename ("{nuke}/" . ($nuke_counter++));
		1579	$self->reset; # polite request, might not happen
1271	}	1580	}
1272		1581
1273	sub emergency_save {	1582	=item cf::map::unique_maps
1274	local $cf::FREEZE = 1;
1275		1583
1276	warn "enter emergency map save\n";	1584	Returns an arrayref of paths of all shared maps that have
		1585	instantiated unique items. May block.
1277		1586
1278	cf::sync_job {	1587	=cut
1279	warn "begin emergency map save\n";	1588
1280	$_->save for values %cf::MAP;	1589	sub unique_maps() {
		1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1591	or return;
		1592
		1593	my @paths;
		1594
		1595	for (@$files) {
		1596	utf8::decode $_;
		1597	next if /\.pst$/;
		1598	next unless /^$PATH_SEP/o;
		1599
		1600	s/\.map$//;
		1601	push @paths, $_;
1281	};	1602	}
1282		1603
1283	warn "end emergency map save\n";	1604	\@paths
1284	}	1605	}
1285		1606
1286	package cf;	1607	package cf;
1287		1608
1288	=back	1609	=back
1289		1610
		1611	=head3 cf::object
		1612
		1613	=cut
		1614
		1615	package cf::object;
		1616
		1617	=over 4
		1618
		1619	=item $ob->inv_recursive
		1620
		1621	Returns the inventory of the object _and_ their inventories, recursively.
		1622
		1623	=cut
		1624
		1625	sub inv_recursive_;
		1626	sub inv_recursive_ {
		1627	map { $_, inv_recursive_ $_->inv } @_
		1628	}
		1629
		1630	sub inv_recursive {
		1631	inv_recursive_ inv $_[0]
		1632	}
		1633
		1634	package cf;
		1635
		1636	=back
1290		1637
1291	=head3 cf::object::player	1638	=head3 cf::object::player
1292		1639
1293	=over 4	1640	=over 4
1294		1641
…		…
1330	(ref $cf::CFG{"may_$access"}	1677	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1678	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1679	: $cf::CFG{"may_$access"})
1333	}	1680	}
1334		1681
		1682	=item $player_object->enter_link
		1683
		1684	Freezes the player and moves him/her to a special map (C<{link}>).
		1685
		1686	The player should be reasonably safe there for short amounts of time. You
		1687	I<MUST> call C<leave_link> as soon as possible, though.
		1688
		1689	Will never block.
		1690
		1691	=item $player_object->leave_link ($map, $x, $y)
		1692
		1693	Moves the player out of the special C<{link}> map onto the specified
		1694	map. If the map is not valid (or omitted), the player will be moved back
		1695	to the location he/she was before the call to C<enter_link>, or, if that
		1696	fails, to the emergency map position.
		1697
		1698	Might block.
		1699
		1700	=cut
		1701
		1702	sub link_map {
		1703	unless ($LINK_MAP) {
		1704	$LINK_MAP = cf::map::find "{link}"
		1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1706	$LINK_MAP->load;
		1707	}
		1708
		1709	$LINK_MAP
		1710	}
		1711
1335	sub cf::object::player::enter_link {	1712	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1713	my ($self) = @_;
1337		1714
1338	return if $self->map == $LINK_MAP;	1715	$self->deactivate_recursive;
1339		1716
		1717	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1718
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1720	if $self->map;
1342		1721
1343	$self->enter_map ($LINK_MAP, 20, 20);	1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1723	}
1346		1724
1347	sub cf::object::player::leave_link {	1725	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1726	my ($self, $map, $x, $y) = @_;
1349		1727
1350	my $link_pos = delete $self->{_link_pos};	1728	my $link_pos = delete $self->{_link_pos};
1351		1729
1352	unless ($map) {	1730	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1731	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1732	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1733	$map = cf::map::find $map;
1358		1734
1359	unless ($map) {	1735	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1736	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1737	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1738	or die "FATAL: cannot load emergency map\n";
1363	}	1739	}
1364	}	1740	}
1365		1741
1366	($x, $y) = (-1, -1)	1742	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1745	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1746	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1747	if $x <=0 && $y <= 0;
1372		1748
1373	$map->load;	1749	$map->load;
		1750	$map->load_diag;
1374		1751
		1752	return unless $self->contr->active;
1375	$self->activate_recursive;	1753	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1754	$self->enter_map ($map, $x, $y);
1377	}	1755	}
1378		1756
		1757	cf::player->attach (
		1758	on_logout => sub {
		1759	my ($pl) = @_;
		1760
		1761	# abort map switching before logout
		1762	if ($pl->ob->{_link_pos}) {
		1763	cf::sync_job {
		1764	$pl->ob->leave_link
		1765	};
		1766	}
		1767	},
		1768	on_login => sub {
		1769	my ($pl) = @_;
		1770
		1771	# try to abort aborted map switching on player login :)
		1772	# should happen only on crashes
		1773	if ($pl->ob->{_link_pos}) {
		1774	$pl->ob->enter_link;
		1775	(async {
		1776	# we need this sleep as the login has a concurrent enter_exit running
		1777	# and this sleep increases chances of the player not ending up in scorn
		1778	$pl->ob->reply (undef,
		1779	"There was an internal problem at your last logout, "
		1780	. "the server will try to bring you to your intended destination in a second.",
		1781	cf::NDI_RED);
		1782	Coro::Timer::sleep 1;
		1783	$pl->ob->leave_link;
		1784	})->prio (2);
		1785	}
		1786	},
		1787	);
		1788
1379	=item $player_object->goto_map ($map, $x, $y)	1789	=item $player_object->goto ($path, $x, $y)
1380		1790
1381	=cut	1791	=cut
1382		1792
1383	sub cf::object::player::goto_map {	1793	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1794	my ($self, $path, $x, $y) = @_;
1385		1795
1386	$self->enter_link;	1796	$self->enter_link;
1387		1797
1388	(Coro::async {	1798	(async {
1389	$path = new cf::path $path;
1390
1391	my $map = cf::map::find_map $path->as_string;	1799	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1800	$map = $map->customise_for ($self) if $map;
1393		1801
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1802	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1803	# if $map;
		1804
		1805	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1806
1397	$self->leave_link ($map, $x, $y);	1807	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1808	})->prio (1);
1399	}	1809	}
1400		1810
…		…
1453		1863
1454	return unless $self->type == cf::PLAYER;	1864	return unless $self->type == cf::PLAYER;
1455		1865
1456	$self->enter_link;	1866	$self->enter_link;
1457		1867
1458	(Coro::async {	1868	(async {
		1869	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1870	unless (eval {
1460
1461	prepare_random_map $exit	1871	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1872	if $exit->slaying eq "/!";
1463		1873
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1874	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);	1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1876
1467	1;	1877	1;
1468	}) {	1878	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1879	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1880	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	1881	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1882	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1883
1474	warn "ERROR in enter_exit: $@";	1884	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1885	$self->leave_link;
1476	}	1886	}
…		…
1527	on_reply => sub {	1937	on_reply => sub {
1528	my ($ns, $msg) = @_;	1938	my ($ns, $msg) = @_;
1529		1939
1530	# this weird shuffling is so that direct followup queries	1940	# this weird shuffling is so that direct followup queries
1531	# get handled first	1941	# get handled first
1532	my $queue = delete $ns->{query_queue};	1942	my $queue = delete $ns->{query_queue}
		1943	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1944
1534	(shift @$queue)->[1]->($msg);	1945	(shift @$queue)->[1]->($msg);
1535		1946
1536	push @{ $ns->{query_queue} }, @$queue;	1947	push @{ $ns->{query_queue} }, @$queue;
1537		1948
…		…
1543	}	1954	}
1544	}	1955	}
1545	},	1956	},
1546	);	1957	);
1547		1958
1548	=item $client->coro (\&cb)	1959	=item $client->async (\&cb)
1549		1960
1550	Create a new coroutine, running the specified callback. The coroutine will	1961	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1962	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1963	or loss of connection).
1553		1964
1554	=cut	1965	=cut
1555		1966
1556	sub cf::client::coro {	1967	sub cf::client::async {
1557	my ($self, $cb) = @_;	1968	my ($self, $cb) = @_;
1558		1969
1559	my $coro; $coro = async {	1970	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1971
1566	$coro->on_destroy (sub {	1972	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1973	delete $self->{_coro}{$coro+0};
1568	});	1974	});
1569		1975
…		…
1741		2147
1742	{	2148	{
1743	my $path = cf::localdir . "/database.pst";	2149	my $path = cf::localdir . "/database.pst";
1744		2150
1745	sub db_load() {	2151	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2152	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2153	}
1749		2154
1750	my $pid;	2155	my $pid;
1751		2156
1752	sub db_save() {	2157	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2158	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2159	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2160	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2161	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2162	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2210	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2211	or return;
1808		2212
1809	local $/;	2213	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2214	*CFG = YAML::Syck::Load <$fh>;
		2215
		2216	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2217
		2218	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2219	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2220
		2221	if (exists $CFG{mlockall}) {
		2222	eval {
		2223	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2224	and die "WARNING: m(un)lockall failed: $!\n";
		2225	};
		2226	warn $@ if $@;
		2227	}
1811	}	2228	}
1812		2229
1813	sub main {	2230	sub main {
1814	# we must not ever block the main coroutine	2231	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2232	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2233	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2234	async { Event::one_event };
1819	})->();
1820	};	2235	};
1821		2236
1822	cfg_load;	2237	cfg_load;
1823	db_load;	2238	db_load;
1824	load_extensions;	2239	load_extensions;
1825	Event::loop;	2240	Event::loop;
1826	}	2241	}
1827		2242
1828	#############################################################################	2243	#############################################################################
1829	# initialisation	2244	# initialisation and cleanup
1830		2245
		2246	# install some emergency cleanup handlers
		2247	BEGIN {
		2248	for my $signal (qw(INT HUP TERM)) {
		2249	Event->signal (
		2250	data => WF_AUTOCANCEL,
		2251	signal => $signal,
		2252	cb => sub {
		2253	cf::cleanup "SIG$signal";
		2254	},
		2255	);
		2256	}
		2257	}
		2258
		2259	sub emergency_save() {
		2260	my $freeze_guard = cf::freeze_mainloop;
		2261
		2262	warn "enter emergency perl save\n";
		2263
		2264	cf::sync_job {
		2265	# use a peculiar iteration method to avoid tripping on perl
		2266	# refcount bugs in for. also avoids problems with players
		2267	# and maps saved/destroyed asynchronously.
		2268	warn "begin emergency player save\n";
		2269	for my $login (keys %cf::PLAYER) {
		2270	my $pl = $cf::PLAYER{$login} or next;
		2271	$pl->valid or next;
		2272	$pl->save;
		2273	}
		2274	warn "end emergency player save\n";
		2275
		2276	warn "begin emergency map save\n";
		2277	for my $path (keys %cf::MAP) {
		2278	my $map = $cf::MAP{$path} or next;
		2279	$map->valid or next;
		2280	$map->save;
		2281	}
		2282	warn "end emergency map save\n";
		2283	};
		2284
		2285	warn "leave emergency perl save\n";
		2286	}
		2287
1831	sub perl_reload() {	2288	sub reload() {
1832	# can/must only be called in main	2289	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2290	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2291	warn "can only reload from main coroutine\n";
1835	return;	2292	return;
1836	}	2293	}
1837		2294
1838	warn "reloading...";	2295	warn "reloading...";
1839		2296
1840	local $FREEZE = 1;	2297	warn "freezing server";
		2298	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2299	cf::emergency_save;
		2300
		2301	warn "sync database to disk";
		2302	cf::db_sync;
		2303	IO::AIO::flush;
1842		2304
1843	eval {	2305	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2306	# if anything goes wrong in here, we should simply crash as we already saved
1845		2307
1846	# cancel all watchers	2308	warn "cancel all watchers";
1847	for (Event::all_watchers) {	2309	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2310	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2311	}
1850		2312
1851	# cancel all extension coros	2313	warn "cancel all extension coros";
1852	$_->cancel for values %EXT_CORO;	2314	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2315	%EXT_CORO = ();
1854		2316
		2317	warn "remove commands";
		2318	%COMMAND = ();
		2319
		2320	warn "remove ext commands";
		2321	%EXTCMD = ();
		2322
1855	# unload all extensions	2323	warn "unload/nuke all extensions";
1856	for (@exts) {	2324	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2325	warn "... unloading $pkg";
1858	unload_extension $_;	2326
		2327	if (my $cb = $pkg->can ("unload")) {
		2328	eval {
		2329	$cb->($pkg);
		2330	1
		2331	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2332	}
1860		2333
		2334	warn "... nuking $pkg";
		2335	Symbol::delete_package $pkg;
		2336	}
		2337
1861	# unload all modules loaded from $LIBDIR	2338	warn "unload all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2339	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2341
1865	warn "removing <$k>";	2342	warn "removing <$k>";
1866	delete $INC{$k};	2343	delete $INC{$k};
…		…
1873	}	2350	}
1874		2351
1875	Symbol::delete_package $k;	2352	Symbol::delete_package $k;
1876	}	2353	}
1877		2354
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2355	warn "get rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2356	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2357	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2358
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2359	warn "unload cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2360	delete $INC{"cf.pm"};
1891		2361
1892	# don't, removes xs symbols, too,	2362	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2363	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2364	#Symbol::delete_package __PACKAGE__;
1895		2365
1896	# reload cf.pm
1897	warn "reloading cf.pm";	2366	warn "reloading cf.pm";
1898	require cf;	2367	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2369
1901	# load config and database again	2370	warn "load config and database again";
1902	cf::cfg_load;	2371	cf::cfg_load;
1903	cf::db_load;	2372	cf::db_load;
1904		2373
1905	# load extensions
1906	warn "load extensions";	2374	warn "load extensions";
1907	cf::load_extensions;	2375	cf::load_extensions;
1908		2376
1909	# reattach attachments to objects	2377	warn "reattach attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2378	_global_reattach;
		2379	warn "reattach attachments to maps";
		2380	reattach $_ for values %MAP;
1912	};	2381	};
1913		2382
1914	if ($@) {	2383	if ($@) {
1915	warn $@;	2384	warn $@;
1916	warn "error while reloading, exiting.";	2385	warn "error while reloading, exiting.";
1917	exit 1;	2386	exit 1;
1918	}	2387	}
1919		2388
1920	warn "reloaded successfully";	2389	warn "reloaded";
1921	};	2390	};
1922		2391
1923	#############################################################################
1924
1925	unless ($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} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2392	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2393	my ($who, $arg) = @_;
1970		2394
1971	if ($who->flag (FLAG_WIZ)) {	2395	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2396	$who->message ("start of reload.");
1973	perl_reload;	2397	reload;
1974	$who->message ("end of reload.");	2398	$who->message ("end of reload.");
1975	}	2399	}
1976	};	2400	};
1977		2401
1978	unshift @INC, $LIBDIR;	2402	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2405	reentrant => 0,
1982	prio => 0,	2406	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2407	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2408	data => WF_AUTOCANCEL,
1985	cb => sub {	2409	cb => sub {
1986	unless ($FREEZE) {	2410	$NOW = Event::time;
		2411
1987	cf::server_tick; # one server iteration	2412	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2413	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2414	$NEXT_TICK += $TICK;
		2415
		2416	$WAIT_FOR_TICK->broadcast;
		2417	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
1992		2418
1993	# if we are delayed by four ticks or more, skip them all	2419	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2421
1996	$TICK_WATCHER->at ($NEXT_TICK);	2422	$TICK_WATCHER->at ($NEXT_TICK);
…		…
1998	},	2424	},
1999	);	2425	);
2000		2426
2001	IO::AIO::max_poll_time $TICK * 0.2;	2427	IO::AIO::max_poll_time $TICK * 0.2;
2002		2428
2003	Event->io (	2429	$AIO_POLL_WATCHER = Event->io (
2004	fd => IO::AIO::poll_fileno,	2430	fd => IO::AIO::poll_fileno,
2005	poll => 'r',	2431	poll => 'r',
2006	prio => 5,	2432	prio => 5,
2007	data => WF_AUTOCANCEL,	2433	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,	2434	cb => \&IO::AIO::poll_cb,
2009	);	2435	);
2010		2436
2011	Event->timer (	2437	$WRITE_RUNTIME_WATCHER = Event->timer (
2012	data => WF_AUTOCANCEL,	2438	data => WF_AUTOCANCEL,
2013	after => 0,	2439	after => 0,
2014	interval => 10,	2440	interval => 10,
2015	cb => sub {	2441	cb => sub {
2016	(Coro::unblock_sub {	2442	(Coro::unblock_sub {
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2444	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2445	})->();
2020	},	2446	},
2021	);	2447	);
2022		2448
		2449	END { cf::emergency_save }
		2450
2023	1	2451	1
2024		2452

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