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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.85 by root, Mon Dec 11 22:56:57 2006 UTC vs.
Revision 1.118 by root, Mon Jan 1 21:19:52 2007 UTC

1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
6	use Opcode;	9	use Opcode;
7	use Safe;	10	use Safe;
8	use Safe::Hole;	11	use Safe::Hole;
9		12
		13	use Coro 3.3;
		14	use Coro::Event;
		15	use Coro::Timer;
		16	use Coro::Signal;
		17	use Coro::Semaphore;
		18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
10	use IO::AIO ();	22	use IO::AIO 2.31 ();
11	use YAML::Syck ();	23	use YAML::Syck ();
12	use Time::HiRes;	24	use Time::HiRes;
13	use Event;	25
14	$Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
15		27
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
18		30
19	use strict;	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
20		34
21	our %COMMAND = ();	35	our %COMMAND = ();
22	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
23	our %EXTCMD = ();	37	our %EXTCMD = ();
24		38
25	_init_vars;
26
27	our @EVENT;	39	our @EVENT;
28	our $LIBDIR = maps_directory "perl";	40	our $LIBDIR = datadir . "/ext";
29		41
30	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
31	our $TICK_WATCHER;	43	our $TICK_WATCHER;
32	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
33		46
34	our %CFG;	47	our %CFG;
35		48
36	our $UPTIME; $UPTIME ||= time;	49	our $UPTIME; $UPTIME ||= time;
		50	our $RUNTIME;
		51
		52	our %MAP; # all maps
		53	our $LINK_MAP; # the special {link} map
		54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		63	open my $fh, "<", cf::localdir . "/runtime"
		64	or die "unable to read runtime file: $!";
		65	$RUNTIME = <$fh> + 0.;
		66	}
		67
		68	mkdir cf::localdir;
		69	mkdir cf::localdir . "/" . cf::playerdir;
		70	mkdir cf::localdir . "/" . cf::tmpdir;
		71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
		73
		74	# a special map that is always available
		75	our $LINK_MAP;
		76
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
37		78
38	#############################################################################	79	#############################################################################
39		80
40	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
41		82
42	=over 4	83	=over 4
43		84
44	=item $cf::UPTIME	85	=item $cf::UPTIME
45		86
46	The timestamp of the server start (so not actually an uptime).	87	The timestamp of the server start (so not actually an uptime).
		88
		89	=item $cf::RUNTIME
		90
		91	The time this server has run, starts at 0 and is increased by $cf::TICK on
		92	every server tick.
47		93
48	=item $cf::LIBDIR	94	=item $cf::LIBDIR
49		95
50	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
51	be found. It will be added to C<@INC> automatically.	97	be found. It will be added to C<@INC> automatically.
		98
		99	=item $cf::NOW
		100
		101	The time of the last (current) server tick.
52		102
53	=item $cf::TICK	103	=item $cf::TICK
54		104
55	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
56		106
…		…
64	=cut	114	=cut
65		115
66	BEGIN {	116	BEGIN {
67	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
68	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
69	$msg .= "\n"	121	$msg .= "\n"
70	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
71		123
72	print STDERR "cfperl: $msg";
73	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
74	};	125	};
75	}	126	}
76		127
		128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
		129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
		130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
		131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
		132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
77	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
78		134
79	# we bless all objects into (empty) derived classes to force a method lookup	135	# we bless all objects into (empty) derived classes to force a method lookup
80	# within the Safe compartment.	136	# within the Safe compartment.
81	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {	137	for my $pkg (qw(
		138	cf::global cf::attachable
		139	cf::object cf::object::player
		140	cf::client cf::player
		141	cf::arch cf::living
		142	cf::map cf::party cf::region
		143	)) {
82	no strict 'refs';	144	no strict 'refs';
83	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
84	}	146	}
85		147
86	$Event::DIED = sub {	148	$Event::DIED = sub {
…		…
119	sub to_json($) {	181	sub to_json($) {
120	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
121	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
122	}	184	}
123		185
		186	=item cf::sync_job { BLOCK }
		187
		188	The design of crossfire+ requires that the main coro ($Coro::main) is
		189	always able to handle events or runnable, as crossfire+ is only partly
		190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		191
		192	If it must be done, put the blocking parts into C<sync_job>. This will run
		193	the given BLOCK in another coroutine while waiting for the result. The
		194	server will be frozen during this time, so the block should either finish
		195	fast or be very important.
		196
		197	=cut
		198
		199	sub sync_job(&) {
		200	my ($job) = @_;
		201
		202	if ($Coro::current == $Coro::main) {
		203	# this is the main coro, too bad, we have to block
		204	# till the operation succeeds, freezing the server :/
		205
		206	# TODO: use suspend/resume instead
		207	# (but this is cancel-safe)
		208	local $FREEZE = 1;
		209
		210	my $busy = 1;
		211	my @res;
		212
		213	(Coro::async {
		214	@res = eval { $job->() };
		215	warn $@ if $@;
		216	undef $busy;
		217	})->prio (Coro::PRIO_MAX);
		218
		219	while ($busy) {
		220	Coro::cede_notself;
		221	Event::one_event unless Coro::nready;
		222	}
		223
		224	wantarray ? @res : $res[0]
		225	} else {
		226	# we are in another coroutine, how wonderful, everything just works
		227
		228	$job->()
		229	}
		230	}
		231
		232	=item $coro = cf::coro { BLOCK }
		233
		234	Creates and returns a new coro. This coro is automcatially being canceled
		235	when the extension calling this is being unloaded.
		236
		237	=cut
		238
		239	sub coro(&) {
		240	my $cb = shift;
		241
		242	my $coro; $coro = async {
		243	eval {
		244	$cb->();
		245	};
		246	warn $@ if $@;
		247	};
		248
		249	$coro->on_destroy (sub {
		250	delete $EXT_CORO{$coro+0};
		251	});
		252	$EXT_CORO{$coro+0} = $coro;
		253
		254	$coro
		255	}
		256
		257	sub write_runtime {
		258	my $runtime = cf::localdir . "/runtime";
		259
		260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		261	or return;
		262
		263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		265	and return;
		266
		267	aio_fsync $fh
		268	and return;
		269
		270	close $fh
		271	or return;
		272
		273	aio_rename "$runtime~", $runtime
		274	and return;
		275
		276	1
		277	}
		278
124	=back	279	=back
125		280
126	=cut	281	=cut
127		282
128	#############################################################################	283	#############################################################################
129		284
130	=head2 EVENTS AND OBJECT ATTACHMENTS	285	package cf::path;
		286
		287	sub new {
		288	my ($class, $path, $base) = @_;
		289
		290	$path = $path->as_string if ref $path;
		291
		292	my $self = bless { }, $class;
		293
		294	# {... are special paths that are not touched
		295	# ?xxx/... are special absolute paths
		296	# ?random/... random maps
		297	# /! non-realised random map exit
		298	# /... normal maps
		299	# ~/... per-player maps without a specific player (DO NOT USE)
		300	# ~user/... per-player map of a specific user
		301
		302	if ($path =~ /^{/) {
		303	# fine as it is
		304	} elsif ($path =~ s{^\?random/}{}) {
		305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		306	$self->{random} = cf::from_json $data;
		307	} else {
		308	if ($path =~ s{^~([^/]+)?}{}) {
		309	$self->{user_rel} = 1;
		310
		311	if (defined $1) {
		312	$self->{user} = $1;
		313	} elsif ($base =~ m{^~([^/]+)/}) {
		314	$self->{user} = $1;
		315	} else {
		316	warn "cannot resolve user-relative path without user <$path,$base>\n";
		317	}
		318	} elsif ($path =~ /^\//) {
		319	# already absolute
		320	} else {
		321	$base =~ s{[^/]+/?$}{};
		322	return $class->new ("$base/$path");
		323	}
		324
		325	for ($path) {
		326	redo if s{/\.?/}{/};
		327	redo if s{/[^/]+/\.\./}{/};
		328	}
		329	}
		330
		331	$self->{path} = $path;
		332
		333	$self
		334	}
		335
		336	# the name / primary key / in-game path
		337	sub as_string {
		338	my ($self) = @_;
		339
		340	$self->{user_rel} ? "~$self->{user}$self->{path}"
		341	: $self->{random} ? "?random/$self->{path}"
		342	: $self->{path}
		343	}
		344
		345	# the displayed name, this is a one way mapping
		346	sub visible_name {
		347	my ($self) = @_;
		348
		349	# if (my $rmp = $self->{random}) {
		350	# # todo: be more intelligent about this
		351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		352	# } else {
		353	$self->as_string
		354	# }
		355	}
		356
		357	# escape the /'s in the path
		358	sub _escaped_path {
		359	# ∕ is U+2215
		360	(my $path = $_[0]{path}) =~ s/\//∕/g;
		361	$path
		362	}
		363
		364	# the original (read-only) location
		365	sub load_path {
		366	my ($self) = @_;
		367
		368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		369	}
		370
		371	# the temporary/swap location
		372	sub save_path {
		373	my ($self) = @_;
		374
		375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		378	}
		379
		380	# the unique path, might be eq to save_path
		381	sub uniq_path {
		382	my ($self) = @_;
		383
		384	$self->{user_rel} || $self->{random}
		385	? undef
		386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		387	}
		388
		389	# return random map parameters, or undef
		390	sub random_map_params {
		391	my ($self) = @_;
		392
		393	$self->{random}
		394	}
		395
		396	# this is somewhat ugly, but style maps do need special treatment
		397	sub is_style_map {
		398	$_[0]{path} =~ m{^/styles/}
		399	}
		400
		401	package cf;
		402
		403	#############################################################################
		404
		405	=head2 ATTACHABLE OBJECTS
		406
		407	Many objects in crossfire are so-called attachable objects. That means you can
		408	attach callbacks/event handlers (a collection of which is called an "attachment")
		409	to it. All such attachable objects support the following methods.
		410
		411	In the following description, CLASS can be any of C<global>, C<object>
		412	C<player>, C<client> or C<map> (i.e. the attachable objects in
		413	crossfire+).
131		414
132	=over 4	415	=over 4
133		416
134	=item $object->attach ($attachment, key => $value...)
135
136	=item $object->detach ($attachment)
137
138	Attach/detach a pre-registered attachment to an object.
139
140	=item $player->attach ($attachment, key => $value...)
141
142	=item $player->detach ($attachment)
143
144	Attach/detach a pre-registered attachment to a player.
145
146	=item $map->attach ($attachment, key => $value...)	417	=item $attachable->attach ($attachment, key => $value...)
147		418
148	=item $map->detach ($attachment)	419	=item $attachable->detach ($attachment)
149		420
150	Attach/detach a pre-registered attachment to a map.	421	Attach/detach a pre-registered attachment to a specific object and give it
		422	the specified key/value pairs as arguments.
151		423
152	=item $bool = $object->attached ($name)	424	Example, attach a minesweeper attachment to the given object, making it a
		425	10x10 minesweeper game:
153		426
154	=item $bool = $player->attached ($name)	427	$obj->attach (minesweeper => width => 10, height => 10);
155		428
156	=item $bool = $map->attached ($name)	429	=item $bool = $attachable->attached ($name)
157		430
158	Checks wether the named attachment is currently attached to the object.	431	Checks wether the named attachment is currently attached to the object.
159		432
160	=item cf::attach_global ...	433	=item cf::CLASS->attach ...
161		434
162	Attach handlers for global events.	435	=item cf::CLASS->detach ...
163		436
164	This and all following C<attach_*>-functions expect any number of the	437	Define an anonymous attachment and attach it to all objects of the given
165	following handler/hook descriptions:	438	CLASS. See the next function for an explanation of its arguments.
		439
		440	You can attach to global events by using the C<cf::global> class.
		441
		442	Example, log all player logins:
		443
		444	cf::player->attach (
		445	on_login => sub {
		446	my ($pl) = @_;
		447	...
		448	},
		449	);
		450
		451	Example, attach to the jeweler skill:
		452
		453	cf::object->attach (
		454	type => cf::SKILL,
		455	subtype => cf::SK_JEWELER,
		456	on_use_skill => sub {
		457	my ($sk, $ob, $part, $dir, $msg) = @_;
		458	...
		459	},
		460	);
		461
		462	=item cf::CLASS::attachment $name, ...
		463
		464	Register an attachment by C<$name> through which attachable objects of the
		465	given CLASS can refer to this attachment.
		466
		467	Some classes such as crossfire maps and objects can specify attachments
		468	that are attached at load/instantiate time, thus the need for a name.
		469
		470	These calls expect any number of the following handler/hook descriptions:
166		471
167	=over 4	472	=over 4
168		473
169	=item prio => $number	474	=item prio => $number
170		475
…		…
172	by another C<prio> setting). Lower priority handlers get executed	477	by another C<prio> setting). Lower priority handlers get executed
173	earlier. The default priority is C<0>, and many built-in handlers are	478	earlier. The default priority is C<0>, and many built-in handlers are
174	registered at priority C<-1000>, so lower priorities should not be used	479	registered at priority C<-1000>, so lower priorities should not be used
175	unless you know what you are doing.	480	unless you know what you are doing.
176		481
		482	=item type => $type
		483
		484	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		485	given type of objects only (the additional parameter C<subtype> can be
		486	used to further limit to the given subtype).
		487
177	=item on_I<event> => \&cb	488	=item on_I<event> => \&cb
178		489
179	Call the given code reference whenever the named event happens (event is	490	Call the given code reference whenever the named event happens (event is
180	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	491	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
181	handlers are recognised generally depends on the type of object these	492	handlers are recognised generally depends on the type of object these
…		…
190	package and register them. Only handlers for eevents supported by the	501	package and register them. Only handlers for eevents supported by the
191	object/class are recognised.	502	object/class are recognised.
192		503
193	=back	504	=back
194		505
195	=item cf::attach_to_type $object_type, $subtype, ...	506	Example, define an attachment called "sockpuppet" that calls the given
		507	event handler when a monster attacks:
196		508
197	Attach handlers for a specific object type (e.g. TRANSPORT) and	509	cf::object::attachment sockpuppet =>
198	subtype. If C<$subtype> is zero or undef, matches all objects of the given	510	on_skill_attack => sub {
199	type.	511	my ($self, $victim) = @_;
200		512	...
201	=item cf::attach_to_objects ...
202
203	Attach handlers to all objects. Do not use this except for debugging or
204	very rare events, as handlers are (obviously) called for I<all> objects in
205	the game.
206
207	=item cf::attach_to_players ...
208
209	Attach handlers to all players.
210
211	=item cf::attach_to_maps ...
212
213	Attach handlers to all maps.
214
215	=item cf:register_attachment $name, ...
216
217	Register an attachment by name through which objects can refer to this
218	attachment.
219
220	=item cf:register_player_attachment $name, ...
221
222	Register an attachment by name through which players can refer to this
223	attachment.
224
225	=item cf:register_map_attachment $name, ...
226
227	Register an attachment by name through which maps can refer to this
228	attachment.
229
230	=cut
231
232	# the following variables are defined in .xs and must not be re-created
233	our @CB_GLOBAL = (); # registry for all global events
234	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
235	our @CB_PLAYER = ();
236	our @CB_TYPE = (); # registry for type (cf-object class) based events
237	our @CB_MAP = ();
238
239	my %attachment;
240
241	sub _attach_cb($\%$$$) {
242	my ($registry, $undo, $event, $prio, $cb) = @_;
243
244	use sort 'stable';
245
246	$cb = [$prio, $cb];
247
248	@{$registry->[$event]} = sort
249	{ $a->[0] cmp $b->[0] }
250	@{$registry->[$event] || []}, $cb;
251
252	push @{$undo->{cb}}, [$event, $cb];
253	}
254
255	# attach handles attaching event callbacks
256	# the only thing the caller has to do is pass the correct
257	# registry (== where the callback attaches to).
258	sub _attach(\@$@) {
259	my ($registry, $klass, @arg) = @_;
260
261	my $prio = 0;
262
263	my %undo = (
264	registry => $registry,
265	cb => [],
266	);
267
268	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
269
270	while (@arg) {
271	my $type = shift @arg;
272
273	if ($type eq "prio") {
274	$prio = shift @arg;
275
276	} elsif ($type eq "package") {
277	my $pkg = shift @arg;
278
279	while (my ($name, $id) = each %cb_id) {
280	if (my $cb = $pkg->can ($name)) {
281	_attach_cb $registry, %undo, $id, $prio, $cb;
282	}
283	}	513	}
284
285	} elsif (exists $cb_id{$type}) {
286	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
287
288	} elsif (ref $type) {
289	warn "attaching objects not supported, ignoring.\n";
290
291	} else {
292	shift @arg;
293	warn "attach argument '$type' not supported, ignoring.\n";
294	}
295	}
296
297	\%undo
298	}
299
300	sub _attach_attachment {
301	my ($obj, $name, %arg) = @_;
302
303	return if exists $obj->{_attachment}{$name};
304
305	my $res;
306
307	if (my $attach = $attachment{$name}) {
308	my $registry = $obj->registry;
309
310	for (@$attach) {
311	my ($klass, @attach) = @$_;
312	$res = _attach @$registry, $klass, @attach;
313	}
314
315	$obj->{$name} = \%arg;
316	} else {
317	warn "object uses attachment '$name' that is not available, postponing.\n";
318	}
319
320	$obj->{_attachment}{$name} = undef;
321
322	$res->{attachment} = $name;
323	$res
324	}
325
326	*cf::object::attach =
327	*cf::player::attach =
328	*cf::map::attach = sub {
329	my ($obj, $name, %arg) = @_;
330
331	_attach_attachment $obj, $name, %arg;
332	};
333
334	# all those should be optimised
335	*cf::object::detach =
336	*cf::player::detach =
337	*cf::map::detach = sub {
338	my ($obj, $name) = @_;
339
340	delete $obj->{_attachment}{$name};
341	reattach ($obj);
342	};
343
344	*cf::object::attached =
345	*cf::player::attached =
346	*cf::map::attached = sub {
347	my ($obj, $name) = @_;
348
349	exists $obj->{_attachment}{$name}
350	};
351
352	sub attach_global {
353	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
354	}
355
356	sub attach_to_type {
357	my $type = shift;
358	my $subtype = shift;
359
360	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
361	}
362
363	sub attach_to_objects {
364	_attach @CB_OBJECT, KLASS_OBJECT, @_
365	}
366
367	sub attach_to_players {
368	_attach @CB_PLAYER, KLASS_PLAYER, @_
369	}
370
371	sub attach_to_maps {
372	_attach @CB_MAP, KLASS_MAP, @_
373	}
374
375	sub register_attachment {
376	my $name = shift;
377
378	$attachment{$name} = [[KLASS_OBJECT, @_]];
379	}
380
381	sub register_player_attachment {
382	my $name = shift;
383
384	$attachment{$name} = [[KLASS_PLAYER, @_]];
385	}
386
387	sub register_map_attachment {
388	my $name = shift;
389
390	$attachment{$name} = [[KLASS_MAP, @_]];
391	}
392
393	our $override;
394	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
395
396	sub override {
397	$override = 1;
398	@invoke_results = ();
399	}
400
401	sub do_invoke {
402	my $event = shift;
403	my $callbacks = shift;
404
405	@invoke_results = ();
406
407	local $override;
408
409	for (@$callbacks) {
410	eval { &{$_->[1]} };
411
412	if ($@) {
413	warn "$@";
414	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
415	override;
416	}
417
418	return 1 if $override;
419	}
420
421	0	514	}
422	}
423		515
424	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	516	=item $attachable->valid
425
426	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
427
428	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
429
430	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
431
432	Generate a global/object/player/map-specific event with the given arguments.
433
434	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
435	removed in future versions), and there is no public API to access override
436	results (if you must, access C<@cf::invoke_results> directly).
437
438	=back
439
440	=cut
441
442	#############################################################################
443
444	=head2 METHODS VALID FOR ALL CORE OBJECTS
445
446	=over 4
447
448	=item $object->valid, $player->valid, $map->valid
449		517
450	Just because you have a perl object does not mean that the corresponding	518	Just because you have a perl object does not mean that the corresponding
451	C-level object still exists. If you try to access an object that has no	519	C-level object still exists. If you try to access an object that has no
452	valid C counterpart anymore you get an exception at runtime. This method	520	valid C counterpart anymore you get an exception at runtime. This method
453	can be used to test for existence of the C object part without causing an	521	can be used to test for existence of the C object part without causing an
454	exception.	522	exception.
455		523
		524	=cut
		525
		526	# the following variables are defined in .xs and must not be re-created
		527	our @CB_GLOBAL = (); # registry for all global events
		528	our @CB_ATTACHABLE = (); # registry for all attachables
		529	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		530	our @CB_PLAYER = ();
		531	our @CB_CLIENT = ();
		532	our @CB_TYPE = (); # registry for type (cf-object class) based events
		533	our @CB_MAP = ();
		534
		535	my %attachment;
		536
		537	sub _attach_cb($$$$) {
		538	my ($registry, $event, $prio, $cb) = @_;
		539
		540	use sort 'stable';
		541
		542	$cb = [$prio, $cb];
		543
		544	@{$registry->[$event]} = sort
		545	{ $a->[0] cmp $b->[0] }
		546	@{$registry->[$event] || []}, $cb;
		547	}
		548
		549	# hack
		550	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		551
		552	# attach handles attaching event callbacks
		553	# the only thing the caller has to do is pass the correct
		554	# registry (== where the callback attaches to).
		555	sub _attach {
		556	my ($registry, $klass, @arg) = @_;
		557
		558	my $object_type;
		559	my $prio = 0;
		560	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		561
		562	#TODO: get rid of this hack
		563	if ($attachable_klass{$klass}) {
		564	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		565	}
		566
		567	while (@arg) {
		568	my $type = shift @arg;
		569
		570	if ($type eq "prio") {
		571	$prio = shift @arg;
		572
		573	} elsif ($type eq "type") {
		574	$object_type = shift @arg;
		575	$registry = $CB_TYPE[$object_type] ||= [];
		576
		577	} elsif ($type eq "subtype") {
		578	defined $object_type or Carp::croak "subtype specified without type";
		579	my $object_subtype = shift @arg;
		580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];
		581
		582	} elsif ($type eq "package") {
		583	my $pkg = shift @arg;
		584
		585	while (my ($name, $id) = each %cb_id) {
		586	if (my $cb = $pkg->can ($name)) {
		587	_attach_cb $registry, $id, $prio, $cb;
		588	}
		589	}
		590
		591	} elsif (exists $cb_id{$type}) {
		592	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		593
		594	} elsif (ref $type) {
		595	warn "attaching objects not supported, ignoring.\n";
		596
		597	} else {
		598	shift @arg;
		599	warn "attach argument '$type' not supported, ignoring.\n";
		600	}
		601	}
		602	}
		603
		604	sub _object_attach {
		605	my ($obj, $name, %arg) = @_;
		606
		607	return if exists $obj->{_attachment}{$name};
		608
		609	if (my $attach = $attachment{$name}) {
		610	my $registry = $obj->registry;
		611
		612	for (@$attach) {
		613	my ($klass, @attach) = @$_;
		614	_attach $registry, $klass, @attach;
		615	}
		616
		617	$obj->{$name} = \%arg;
		618	} else {
		619	warn "object uses attachment '$name' that is not available, postponing.\n";
		620	}
		621
		622	$obj->{_attachment}{$name} = undef;
		623	}
		624
		625	sub cf::attachable::attach {
		626	if (ref $_[0]) {
		627	_object_attach @_;
		628	} else {
		629	_attach shift->_attach_registry, @_;
		630	}
		631	};
		632
		633	# all those should be optimised
		634	sub cf::attachable::detach {
		635	my ($obj, $name) = @_;
		636
		637	if (ref $obj) {
		638	delete $obj->{_attachment}{$name};
		639	reattach ($obj);
		640	} else {
		641	Carp::croak "cannot, currently, detach class attachments";
		642	}
		643	};
		644
		645	sub cf::attachable::attached {
		646	my ($obj, $name) = @_;
		647
		648	exists $obj->{_attachment}{$name}
		649	}
		650
		651	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		652	eval "#line " . __LINE__ . " 'cf.pm'
		653	sub cf::\L$klass\E::_attach_registry {
		654	(\\\@CB_$klass, KLASS_$klass)
		655	}
		656
		657	sub cf::\L$klass\E::attachment {
		658	my \$name = shift;
		659
		660	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		661	}
		662	";
		663	die if $@;
		664	}
		665
		666	our $override;
		667	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		668
		669	sub override {
		670	$override = 1;
		671	@invoke_results = ();
		672	}
		673
		674	sub do_invoke {
		675	my $event = shift;
		676	my $callbacks = shift;
		677
		678	@invoke_results = ();
		679
		680	local $override;
		681
		682	for (@$callbacks) {
		683	eval { &{$_->[1]} };
		684
		685	if ($@) {
		686	warn "$@";
		687	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		688	override;
		689	}
		690
		691	return 1 if $override;
		692	}
		693
		694	0
		695	}
		696
		697	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		698
		699	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		700
		701	Generate an object-specific event with the given arguments.
		702
		703	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		704	removed in future versions), and there is no public API to access override
		705	results (if you must, access C<@cf::invoke_results> directly).
		706
456	=back	707	=back
457		708
458	=cut	709	=cut
459
460	*cf::object::valid =
461	*cf::player::valid =
462	*cf::map::valid = \&cf::_valid;
463		710
464	#############################################################################	711	#############################################################################
465	# object support	712	# object support
466		713
467	sub instantiate {
468	my ($obj, $data) = @_;
469
470	$data = from_json $data;
471
472	for (@$data) {
473	my ($name, $args) = @$_;
474
475	$obj->attach ($name, %{$args || {} });
476	}
477	}
478
479	# basically do the same as instantiate, without calling instantiate
480	sub reattach {	714	sub reattach {
		715	# basically do the same as instantiate, without calling instantiate
481	my ($obj) = @_;	716	my ($obj) = @_;
		717
482	my $registry = $obj->registry;	718	my $registry = $obj->registry;
483		719
484	@$registry = ();	720	@$registry = ();
485		721
486	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	722	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
487		723
488	for my $name (keys %{ $obj->{_attachment} || {} }) {	724	for my $name (keys %{ $obj->{_attachment} || {} }) {
489	if (my $attach = $attachment{$name}) {	725	if (my $attach = $attachment{$name}) {
490	for (@$attach) {	726	for (@$attach) {
491	my ($klass, @attach) = @$_;	727	my ($klass, @attach) = @$_;
492	_attach @$registry, $klass, @attach;	728	_attach $registry, $klass, @attach;
493	}	729	}
494	} else {	730	} else {
495	warn "object uses attachment '$name' that is not available, postponing.\n";	731	warn "object uses attachment '$name' that is not available, postponing.\n";
496	}	732	}
497	}	733	}
498	}	734	}
499		735
500	sub object_freezer_save {	736	cf::attachable->attach (
501	my ($filename, $rdata, $objs) = @_;
502
503	if (length $$rdata) {
504	warn sprintf "saving %s (%d,%d)\n",
505	$filename, length $$rdata, scalar @$objs;
506
507	if (open my $fh, ">:raw", "$filename~") {
508	chmod SAVE_MODE, $fh;
509	syswrite $fh, $$rdata;
510	close $fh;
511
512	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
513	chmod SAVE_MODE, $fh;
514	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
515	close $fh;
516	rename "$filename.pst~", "$filename.pst";
517	} else {
518	unlink "$filename.pst";
519	}
520
521	rename "$filename~", $filename;
522	} else {
523	warn "FATAL: $filename~: $!\n";
524	}
525	} else {
526	unlink $filename;
527	unlink "$filename.pst";
528	}
529	}
530
531	sub object_freezer_as_string {
532	my ($rdata, $objs) = @_;
533
534	use Data::Dumper;
535
536	$$rdata . Dumper $objs
537	}
538
539	sub object_thawer_load {
540	my ($filename) = @_;
541
542	local $/;
543
544	my $av;
545
546	#TODO: use sysread etc.
547	if (open my $data, "<:raw:perlio", $filename) {
548	$data = <$data>;
549	if (open my $pst, "<:raw:perlio", "$filename.pst") {
550	$av = eval { (Storable::thaw <$pst>)->{objs} };
551	}
552	return ($data, $av);
553	}
554
555	()
556	}
557
558	attach_to_objects
559	prio => -1000000,	737	prio => -1000000,
		738	on_instantiate => sub {
		739	my ($obj, $data) = @_;
		740
		741	$data = from_json $data;
		742
		743	for (@$data) {
		744	my ($name, $args) = @$_;
		745
		746	$obj->attach ($name, %{$args || {} });
		747	}
		748	},
		749	on_reattach => \&reattach,
560	on_clone => sub {	750	on_clone => sub {
561	my ($src, $dst) = @_;	751	my ($src, $dst) = @_;
562		752
563	@{$dst->registry} = @{$src->registry};	753	@{$dst->registry} = @{$src->registry};
564		754
565	%$dst = %$src;	755	%$dst = %$src;
566		756
567	%{$dst->{_attachment}} = %{$src->{_attachment}}	757	%{$dst->{_attachment}} = %{$src->{_attachment}}
568	if exists $src->{_attachment};	758	if exists $src->{_attachment};
569	},	759	},
570	;	760	);
		761
		762	sub object_freezer_save {
		763	my ($filename, $rdata, $objs) = @_;
		764
		765	sync_job {
		766	if (length $$rdata) {
		767	warn sprintf "saving %s (%d,%d)\n",
		768	$filename, length $$rdata, scalar @$objs;
		769
		770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		771	chmod SAVE_MODE, $fh;
		772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		773	aio_fsync $fh;
		774	close $fh;
		775
		776	if (@$objs) {
		777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		778	chmod SAVE_MODE, $fh;
		779	my $data = Storable::nfreeze { version => 1, objs => $objs };
		780	aio_write $fh, 0, (length $data), $data, 0;
		781	aio_fsync $fh;
		782	close $fh;
		783	aio_rename "$filename.pst~", "$filename.pst";
		784	}
		785	} else {
		786	aio_unlink "$filename.pst";
		787	}
		788
		789	aio_rename "$filename~", $filename;
		790	} else {
		791	warn "FATAL: $filename~: $!\n";
		792	}
		793	} else {
		794	aio_unlink $filename;
		795	aio_unlink "$filename.pst";
		796	}
		797	}
		798	}
		799
		800	sub object_freezer_as_string {
		801	my ($rdata, $objs) = @_;
		802
		803	use Data::Dumper;
		804
		805	$$rdata . Dumper $objs
		806	}
		807
		808	sub object_thawer_load {
		809	my ($filename) = @_;
		810
		811	my ($data, $av);
		812
		813	(aio_load $filename, $data) >= 0
		814	or return;
		815
		816	unless (aio_stat "$filename.pst") {
		817	(aio_load "$filename.pst", $av) >= 0
		818	or return;
		819	$av = eval { (Storable::thaw $av)->{objs} };
		820	}
		821
		822	warn sprintf "loading %s (%d)\n",
		823	$filename, length $data, scalar @{$av || []};#d#
		824	return ($data, $av);
		825	}
571		826
572	#############################################################################	827	#############################################################################
573	# command handling &c	828	# command handling &c
574		829
575	=item cf::register_command $name => \&callback($ob,$args);	830	=item cf::register_command $name => \&callback($ob,$args);
…		…
604	#warn "registering extcmd '$name' to '$caller'";	859	#warn "registering extcmd '$name' to '$caller'";
605		860
606	$EXTCMD{$name} = [$cb, $caller];	861	$EXTCMD{$name} = [$cb, $caller];
607	}	862	}
608		863
609	attach_to_players	864	cf::player->attach (
610	on_command => sub {	865	on_command => sub {
611	my ($pl, $name, $params) = @_;	866	my ($pl, $name, $params) = @_;
612		867
613	my $cb = $COMMAND{$name}	868	my $cb = $COMMAND{$name}
614	or return;	869	or return;
…		…
634	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
635	}	890	}
636		891
637	cf::override;	892	cf::override;
638	},	893	},
639	;	894	);
640		895
641	sub register {	896	sub register {
642	my ($base, $pkg) = @_;	897	my ($base, $pkg) = @_;
643		898
644	#TODO	899	#TODO
…		…
713		968
714	Symbol::delete_package $pkg;	969	Symbol::delete_package $pkg;
715	}	970	}
716		971
717	sub load_extensions {	972	sub load_extensions {
718	my $LIBDIR = maps_directory "perl";
719
720	for my $ext (<$LIBDIR/*.ext>) {	973	for my $ext (<$LIBDIR/*.ext>) {
721	next unless -r $ext;	974	next unless -r $ext;
722	eval {	975	eval {
723	load_extension $ext;	976	load_extension $ext;
724	1	977	1
…		…
736	defined $path or return;	989	defined $path or return;
737		990
738	unlink "$path.pst";	991	unlink "$path.pst";
739	};	992	};
740		993
741	attach_to_maps prio => -10000, package => cf::mapsupport::;	994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
742		995
743	#############################################################################	996	#############################################################################
744	# load/save perl data associated with player->ob objects	997	# load/save perl data associated with player->ob objects
745		998
746	sub all_objects(@) {	999	sub all_objects(@) {
747	@_, map all_objects ($_->inv), @_	1000	@_, map all_objects ($_->inv), @_
748	}	1001	}
749		1002
750	# TODO: compatibility cruft, remove when no longer needed	1003	# TODO: compatibility cruft, remove when no longer needed
751	attach_to_players	1004	cf::player->attach (
752	on_load => sub {	1005	on_load => sub {
753	my ($pl, $path) = @_;	1006	my ($pl, $path) = @_;
754		1007
755	for my $o (all_objects $pl->ob) {	1008	for my $o (all_objects $pl->ob) {
756	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
758		1011
759	%$o = %{ Storable::thaw pack "H*", $value };	1012	%$o = %{ Storable::thaw pack "H*", $value };
760	}	1013	}
761	}	1014	}
762	},	1015	},
763	;	1016	);
764		1017
765	#############################################################################	1018	#############################################################################
766		1019
767	=head2 CORE EXTENSIONS	1020	=head2 CORE EXTENSIONS
768		1021
769	Functions and methods that extend core crossfire objects.	1022	Functions and methods that extend core crossfire objects.
		1023
		1024	=head3 cf::player
770		1025
771	=over 4	1026	=over 4
772		1027
773	=item cf::player::exists $login	1028	=item cf::player::exists $login
774		1029
…		…
779	sub cf::player::exists($) {	1034	sub cf::player::exists($) {
780	cf::player::find $_[0]	1035	cf::player::find $_[0]
781	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
782	}	1037	}
783		1038
		1039	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1040
		1041	Sends an ext reply to the player.
		1042
		1043	=cut
		1044
		1045	sub cf::player::ext_reply($$$%) {
		1046	my ($self, $id, %msg) = @_;
		1047
		1048	$msg{msgid} = $id;
		1049
		1050	$self->send ("ext " . to_json \%msg);
		1051	}
		1052
		1053	=back
		1054
		1055
		1056	=head3 cf::map
		1057
		1058	=over 4
		1059
		1060	=cut
		1061
		1062	package cf::map;
		1063
		1064	use Fcntl;
		1065	use Coro::AIO;
		1066
		1067	our $MAX_RESET = 7200;
		1068	our $DEFAULT_RESET = 3600;
		1069
		1070	sub generate_random_map {
		1071	my ($path, $rmp) = @_;
		1072
		1073	# mit "rum" bekleckern, nicht
		1074	cf::map::_create_random_map
		1075	$path,
		1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1079	$rmp->{exit_on_final_map},
		1080	$rmp->{xsize}, $rmp->{ysize},
		1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1086	(cf::region::find $rmp->{region})
		1087	}
		1088
		1089	# and all this just because we cannot iterate over
		1090	# all maps in C++...
		1091	sub change_all_map_light {
		1092	my ($change) = @_;
		1093
		1094	$_->change_map_light ($change) for values %cf::MAP;
		1095	}
		1096
		1097	sub try_load_header($) {
		1098	my ($path) = @_;
		1099
		1100	utf8::encode $path;
		1101	aio_open $path, O_RDONLY, 0
		1102	or return;
		1103
		1104	my $map = cf::map::new
		1105	or return;
		1106
		1107	$map->load_header ($path)
		1108	or return;
		1109
		1110	$map->{load_path} = $path;
		1111
		1112	$map
		1113	}
		1114
		1115	sub find_map {
		1116	my ($path, $origin) = @_;
		1117
		1118	#warn "find_map<$path,$origin>\n";#d#
		1119
		1120	$path = new cf::path $path, $origin && $origin->path;
		1121	my $key = $path->as_string;
		1122
		1123	$cf::MAP{$key} || do {
		1124	# do it the slow way
		1125	my $map = try_load_header $path->save_path;
		1126
		1127	if ($map) {
		1128	# safety
		1129	$map->{instantiate_time} = $cf::RUNTIME
		1130	if $map->{instantiate_time} > $cf::RUNTIME;
		1131	} else {
		1132	if (my $rmp = $path->random_map_params) {
		1133	$map = generate_random_map $key, $rmp;
		1134	} else {
		1135	$map = try_load_header $path->load_path;
		1136	}
		1137
		1138	$map or return;
		1139
		1140	$map->{load_original} = 1;
		1141	$map->{instantiate_time} = $cf::RUNTIME;
		1142	$map->instantiate;
		1143
		1144	# per-player maps become, after loading, normal maps
		1145	$map->per_player (0) if $path->{user_rel};
		1146	}
		1147	#Coro::Timer::sleep 1;#d#
		1148
		1149	$map->path ($key);
		1150	$map->{path} = $path;
		1151	$map->{last_save} = $cf::RUNTIME;
		1152	$map->last_access ($cf::RUNTIME);
		1153
		1154	if ($map->should_reset) {
		1155	$map->reset;
		1156	$map = find_map $path;
		1157	}
		1158
		1159	$cf::MAP{$key} = $map
		1160	}
		1161	}
		1162
		1163	sub load {
		1164	my ($self) = @_;
		1165
		1166	return if $self->in_memory != cf::MAP_SWAPPED;
		1167
		1168	$self->in_memory (cf::MAP_LOADING);
		1169
		1170	my $path = $self->{path};
		1171
		1172	$self->alloc;
		1173	$self->load_objects ($self->{load_path}, 1)
		1174	or return;
		1175
		1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1177	if delete $self->{load_original};
		1178
		1179	if (my $uniq = $path->uniq_path) {
		1180	utf8::encode $uniq;
		1181	if (aio_open $uniq, O_RDONLY, 0) {
		1182	$self->clear_unique_items;
		1183	$self->load_objects ($uniq, 0);
		1184	}
		1185	}
		1186
		1187	# now do the right thing for maps
		1188	$self->link_multipart_objects;
		1189
		1190	if ($self->{path}->is_style_map) {
		1191	$self->{deny_save} = 1;
		1192	$self->{deny_reset} = 1;
		1193	} else {
		1194	$self->fix_auto_apply;
		1195	$self->decay_objects;
		1196	$self->update_buttons;
		1197	$self->set_darkness_map;
		1198	$self->difficulty ($self->estimate_difficulty)
		1199	unless $self->difficulty;
		1200	$self->activate;
		1201	}
		1202
		1203	$self->in_memory (cf::MAP_IN_MEMORY);
		1204	}
		1205
		1206	sub load_map_sync {
		1207	my ($path, $origin) = @_;
		1208
		1209	#warn "load_map_sync<$path, $origin>\n";#d#
		1210
		1211	cf::sync_job {
		1212	my $map = cf::map::find_map $path, $origin
		1213	or return;
		1214	$map->load;
		1215	$map
		1216	}
		1217	}
		1218
		1219	sub save {
		1220	my ($self) = @_;
		1221
		1222	$self->{last_save} = $cf::RUNTIME;
		1223
		1224	return unless $self->dirty;
		1225
		1226	my $save = $self->{path}->save_path; utf8::encode $save;
		1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1228
		1229	$self->{load_path} = $save;
		1230
		1231	return if $self->{deny_save};
		1232
		1233	if ($uniq) {
		1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1235	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1236	} else {
		1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1238	}
		1239	}
		1240
		1241	sub swap_out {
		1242	my ($self) = @_;
		1243
		1244	return if $self->players;
		1245	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1246	return if $self->{deny_save};
		1247
		1248	$self->save;
		1249	$self->clear;
		1250	$self->in_memory (cf::MAP_SWAPPED);
		1251	}
		1252
		1253	sub reset_at {
		1254	my ($self) = @_;
		1255
		1256	# TODO: safety, remove and allow resettable per-player maps
		1257	return 1e99 if $self->{path}{user_rel};
		1258	return 1e99 if $self->{deny_reset};
		1259
		1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1262
		1263	$time + $to
		1264	}
		1265
		1266	sub should_reset {
		1267	my ($self) = @_;
		1268
		1269	$self->reset_at <= $cf::RUNTIME
		1270	}
		1271
		1272	sub unlink_save {
		1273	my ($self) = @_;
		1274
		1275	utf8::encode (my $save = $self->{path}->save_path);
		1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1278	}
		1279
		1280	sub rename {
		1281	my ($self, $new_path) = @_;
		1282
		1283	$self->unlink_save;
		1284
		1285	delete $cf::MAP{$self->path};
		1286	$self->{path} = new cf::path $new_path;
		1287	$self->path ($self->{path}->as_string);
		1288	$cf::MAP{$self->path} = $self;
		1289
		1290	$self->save;
		1291	}
		1292
		1293	sub reset {
		1294	my ($self) = @_;
		1295
		1296	return if $self->players;
		1297	return if $self->{path}{user_rel};#d#
		1298
		1299	warn "resetting map ", $self->path;#d#
		1300
		1301	delete $cf::MAP{$self->path};
		1302
		1303	$_->clear_links_to ($self) for values %cf::MAP;
		1304
		1305	$self->unlink_save;
		1306	$self->destroy;
		1307	}
		1308
		1309	my $nuke_counter = "aaaa";
		1310
		1311	sub nuke {
		1312	my ($self) = @_;
		1313
		1314	$self->{deny_save} = 1;
		1315	$self->reset_timeout (1);
		1316	$self->rename ("{nuke}/" . ($nuke_counter++));
		1317	$self->reset; # polite request, might not happen
		1318	}
		1319
		1320	sub customise_for {
		1321	my ($map, $ob) = @_;
		1322
		1323	if ($map->per_player) {
		1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1325	}
		1326
		1327	$map
		1328	}
		1329
		1330	sub emergency_save {
		1331	local $cf::FREEZE = 1;
		1332
		1333	warn "enter emergency map save\n";
		1334
		1335	cf::sync_job {
		1336	warn "begin emergency map save\n";
		1337	$_->save for values %cf::MAP;
		1338	};
		1339
		1340	warn "end emergency map save\n";
		1341	}
		1342
		1343	package cf;
		1344
		1345	=back
		1346
		1347
		1348	=head3 cf::object::player
		1349
		1350	=over 4
		1351
784	=item $player_object->reply ($npc, $msg[, $flags])	1352	=item $player_object->reply ($npc, $msg[, $flags])
785		1353
786	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1354	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
787	can be C<undef>. Does the right thing when the player is currently in a	1355	can be C<undef>. Does the right thing when the player is currently in a
788	dialogue with the given NPC character.	1356	dialogue with the given NPC character.
789		1357
790	=cut	1358	=cut
791		1359
792	# rough implementation of a future "reply" method that works	1360	# rough implementation of a future "reply" method that works
793	# with dialog boxes.	1361	# with dialog boxes.
		1362	#TODO: the first argument must go, split into a $npc->reply_to ( method
794	sub cf::object::player::reply($$$;$) {	1363	sub cf::object::player::reply($$$;$) {
795	my ($self, $npc, $msg, $flags) = @_;	1364	my ($self, $npc, $msg, $flags) = @_;
796		1365
797	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	1366	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
798		1367
…		…
802	$msg = $npc->name . " says: $msg" if $npc;	1371	$msg = $npc->name . " says: $msg" if $npc;
803	$self->message ($msg, $flags);	1372	$self->message ($msg, $flags);
804	}	1373	}
805	}	1374	}
806		1375
807	=item $player->ext_reply ($msgid, $msgtype, %msg)
808
809	Sends an ext reply to the player.
810
811	=cut
812
813	sub cf::player::ext_reply($$$%) {
814	my ($self, $id, %msg) = @_;
815
816	$msg{msgid} = $id;
817
818	$self->send ("ext " . to_json \%msg);
819	}
820
821	=item $player_object->may ("access")	1376	=item $player_object->may ("access")
822		1377
823	Returns wether the given player is authorized to access resource "access"	1378	Returns wether the given player is authorized to access resource "access"
824	(e.g. "command_wizcast").	1379	(e.g. "command_wizcast").
825		1380
…		…
832	(ref $cf::CFG{"may_$access"}	1387	(ref $cf::CFG{"may_$access"}
833	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1388	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
834	: $cf::CFG{"may_$access"})	1389	: $cf::CFG{"may_$access"})
835	}	1390	}
836		1391
837	=cut	1392	=item $player_object->enter_link
838		1393
839	#############################################################################	1394	Freezes the player and moves him/her to a special map (C<{link}>).
		1395
		1396	The player should be reaosnably safe there for short amounts of time. You
		1397	I<MUST> call C<leave_link> as soon as possible, though.
		1398
		1399	=item $player_object->leave_link ($map, $x, $y)
		1400
		1401	Moves the player out of the specila link map onto the given map. If the
		1402	map is not valid (or omitted), the player will be moved back to the
		1403	location he/she was before the call to C<enter_link>, or, if that fails,
		1404	to the emergency map position.
		1405
		1406	Might block.
		1407
		1408	=cut
		1409
		1410	sub cf::object::player::enter_link {
		1411	my ($self) = @_;
		1412
		1413	return if $self->map == $LINK_MAP;
		1414
		1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1416	if $self->map;
		1417
		1418	$self->enter_map ($LINK_MAP, 20, 20);
		1419	$self->deactivate_recursive;
		1420	}
		1421
		1422	sub cf::object::player::leave_link {
		1423	my ($self, $map, $x, $y) = @_;
		1424
		1425	my $link_pos = delete $self->{_link_pos};
		1426
		1427	unless ($map) {
		1428	# restore original map position
		1429	($map, $x, $y) = @{ $link_pos || [] };
		1430	$map = cf::map::find_map $map;
		1431
		1432	unless ($map) {
		1433	($map, $x, $y) = @$EMERGENCY_POSITION;
		1434	$map = cf::map::find_map $map
		1435	or die "FATAL: cannot load emergency map\n";
		1436	}
		1437	}
		1438
		1439	($x, $y) = (-1, -1)
		1440	unless (defined $x) && (defined $y);
		1441
		1442	# use -1 or undef as default coordinates, not 0, 0
		1443	($x, $y) = ($map->enter_x, $map->enter_y)
		1444	if $x <=0 && $y <= 0;
		1445
		1446	$map->load;
		1447
		1448	$self->activate_recursive;
		1449	$self->enter_map ($map, $x, $y);
		1450	}
		1451
		1452	=item $player_object->goto_map ($path, $x, $y)
		1453
		1454	=cut
		1455
		1456	sub cf::object::player::goto_map {
		1457	my ($self, $path, $x, $y) = @_;
		1458
		1459	$self->enter_link;
		1460
		1461	(Coro::async {
		1462	$path = new cf::path $path;
		1463
		1464	my $map = cf::map::find_map $path->as_string;
		1465	$map = $map->customise_for ($self) if $map;
		1466
		1467	warn "entering ", $map->path, " at ($x, $y)\n"
		1468	if $map;
		1469
		1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1471
		1472	$self->leave_link ($map, $x, $y);
		1473	})->prio (1);
		1474	}
		1475
		1476	=item $player_object->enter_exit ($exit_object)
		1477
		1478	=cut
		1479
		1480	sub parse_random_map_params {
		1481	my ($spec) = @_;
		1482
		1483	my $rmp = { # defaults
		1484	xsize => 10,
		1485	ysize => 10,
		1486	};
		1487
		1488	for (split /\n/, $spec) {
		1489	my ($k, $v) = split /\s+/, $_, 2;
		1490
		1491	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1492	}
		1493
		1494	$rmp
		1495	}
		1496
		1497	sub prepare_random_map {
		1498	my ($exit) = @_;
		1499
		1500	# all this does is basically replace the /! path by
		1501	# a new random map path (?random/...) with a seed
		1502	# that depends on the exit object
		1503
		1504	my $rmp = parse_random_map_params $exit->msg;
		1505
		1506	if ($exit->map) {
		1507	$rmp->{region} = $exit->map->region_name;
		1508	$rmp->{origin_map} = $exit->map->path;
		1509	$rmp->{origin_x} = $exit->x;
		1510	$rmp->{origin_y} = $exit->y;
		1511	}
		1512
		1513	$rmp->{random_seed} ||= $exit->random_seed;
		1514
		1515	my $data = cf::to_json $rmp;
		1516	my $md5 = Digest::MD5::md5_hex $data;
		1517
		1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1519	aio_write $fh, 0, (length $data), $data, 0;
		1520
		1521	$exit->slaying ("?random/$md5");
		1522	$exit->msg (undef);
		1523	}
		1524	}
		1525
		1526	sub cf::object::player::enter_exit {
		1527	my ($self, $exit) = @_;
		1528
		1529	return unless $self->type == cf::PLAYER;
		1530
		1531	$self->enter_link;
		1532
		1533	(Coro::async {
		1534	unless (eval {
		1535
		1536	prepare_random_map $exit
		1537	if $exit->slaying eq "/!";
		1538
		1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1541
		1542	1;
		1543	}) {
		1544	$self->message ("Something went wrong deep within the crossfire server. "
		1545	. "I'll try to bring you back to the map you were before. "
		1546	. "Please report this to the dungeon master",
		1547	cf::NDI_UNIQUE | cf::NDI_RED);
		1548
		1549	warn "ERROR in enter_exit: $@";
		1550	$self->leave_link;
		1551	}
		1552	})->prio (1);
		1553	}
		1554
		1555	=head3 cf::client
		1556
		1557	=over 4
		1558
		1559	=item $client->send_drawinfo ($text, $flags)
		1560
		1561	Sends a drawinfo packet to the client. Circumvents output buffering so
		1562	should not be used under normal circumstances.
		1563
		1564	=cut
		1565
		1566	sub cf::client::send_drawinfo {
		1567	my ($self, $text, $flags) = @_;
		1568
		1569	utf8::encode $text;
		1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1571	}
		1572
		1573
		1574	=item $success = $client->query ($flags, "text", \&cb)
		1575
		1576	Queues a query to the client, calling the given callback with
		1577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1579
		1580	Queries can fail, so check the return code. Or don't, as queries will become
		1581	reliable at some point in the future.
		1582
		1583	=cut
		1584
		1585	sub cf::client::query {
		1586	my ($self, $flags, $text, $cb) = @_;
		1587
		1588	return unless $self->state == ST_PLAYING
		1589	|| $self->state == ST_SETUP
		1590	|| $self->state == ST_CUSTOM;
		1591
		1592	$self->state (ST_CUSTOM);
		1593
		1594	utf8::encode $text;
		1595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1596
		1597	$self->send_packet ($self->{query_queue}[0][0])
		1598	if @{ $self->{query_queue} } == 1;
		1599	}
		1600
		1601	cf::client->attach (
		1602	on_reply => sub {
		1603	my ($ns, $msg) = @_;
		1604
		1605	# this weird shuffling is so that direct followup queries
		1606	# get handled first
		1607	my $queue = delete $ns->{query_queue};
		1608
		1609	(shift @$queue)->[1]->($msg);
		1610
		1611	push @{ $ns->{query_queue} }, @$queue;
		1612
		1613	if (@{ $ns->{query_queue} } == @$queue) {
		1614	if (@$queue) {
		1615	$ns->send_packet ($ns->{query_queue}[0][0]);
		1616	} else {
		1617	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1618	}
		1619	}
		1620	},
		1621	);
		1622
		1623	=item $client->coro (\&cb)
		1624
		1625	Create a new coroutine, running the specified callback. The coroutine will
		1626	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1627	or loss of connection).
		1628
		1629	=cut
		1630
		1631	sub cf::client::coro {
		1632	my ($self, $cb) = @_;
		1633
		1634	my $coro; $coro = async {
		1635	eval {
		1636	$cb->();
		1637	};
		1638	warn $@ if $@;
		1639	};
		1640
		1641	$coro->on_destroy (sub {
		1642	delete $self->{_coro}{$coro+0};
		1643	});
		1644
		1645	$self->{_coro}{$coro+0} = $coro;
		1646
		1647	$coro
		1648	}
		1649
		1650	cf::client->attach (
		1651	on_destroy => sub {
		1652	my ($ns) = @_;
		1653
		1654	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
		1655	},
		1656	);
		1657
		1658	=back
		1659
840		1660
841	=head2 SAFE SCRIPTING	1661	=head2 SAFE SCRIPTING
842		1662
843	Functions that provide a safe environment to compile and execute	1663	Functions that provide a safe environment to compile and execute
844	snippets of perl code without them endangering the safety of the server	1664	snippets of perl code without them endangering the safety of the server
…		…
859		1679
860	=pod	1680	=pod
861		1681
862	The following fucntions and emthods are available within a safe environment:	1682	The following fucntions and emthods are available within a safe environment:
863		1683
864	cf::object contr pay_amount pay_player	1684	cf::object contr pay_amount pay_player map
865	cf::object::player player	1685	cf::object::player player
866	cf::player peaceful	1686	cf::player peaceful
		1687	cf::map trigger
867		1688
868	=cut	1689	=cut
869		1690
870	for (	1691	for (
871	["cf::object" => qw(contr pay_amount pay_player)],	1692	["cf::object" => qw(contr pay_amount pay_player map)],
872	["cf::object::player" => qw(player)],	1693	["cf::object::player" => qw(player)],
873	["cf::player" => qw(peaceful)],	1694	["cf::player" => qw(peaceful)],
		1695	["cf::map" => qw(trigger)],
874	) {	1696	) {
875	no strict 'refs';	1697	no strict 'refs';
876	my ($pkg, @funs) = @$_;	1698	my ($pkg, @funs) = @$_;
877	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1699	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
878	for @funs;	1700	for @funs;
…		…
1018	sub db_sync() {	1840	sub db_sync() {
1019	db_save if $dirty;	1841	db_save if $dirty;
1020	undef $dirty;	1842	undef $dirty;
1021	}	1843	}
1022		1844
1023	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1024	db_sync;	1846	db_sync;
1025	});	1847	});
1026		1848
1027	sub db_dirty() {	1849	sub db_dirty() {
1028	$dirty = 1;	1850	$dirty = 1;
…		…
1042	$DB->{$_[0]} = $_[1];	1864	$DB->{$_[0]} = $_[1];
1043	}	1865	}
1044	db_dirty;	1866	db_dirty;
1045	}	1867	}
1046		1868
1047	attach_global	1869	cf::global->attach (
1048	prio => 10000,	1870	prio => 10000,
1049	on_cleanup => sub {	1871	on_cleanup => sub {
1050	db_sync;	1872	db_sync;
1051	},	1873	},
1052	;	1874	);
1053	}	1875	}
1054		1876
1055	#############################################################################	1877	#############################################################################
1056	# the server's main()	1878	# the server's main()
1057		1879
…		…
1062	local $/;	1884	local $/;
1063	*CFG = YAML::Syck::Load <$fh>;	1885	*CFG = YAML::Syck::Load <$fh>;
1064	}	1886	}
1065		1887
1066	sub main {	1888	sub main {
		1889	# we must not ever block the main coroutine
		1890	local $Coro::idle = sub {
		1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1892	(Coro::unblock_sub {
		1893	Event::one_event;
		1894	})->();
		1895	};
		1896
1067	cfg_load;	1897	cfg_load;
1068	db_load;	1898	db_load;
1069	load_extensions;	1899	load_extensions;
1070	Event::loop;	1900	Event::loop;
1071	}	1901	}
1072		1902
1073	#############################################################################	1903	#############################################################################
1074	# initialisation	1904	# initialisation
1075		1905
1076	sub _perl_reload(&) {	1906	sub reload() {
1077	my ($msg) = @_;	1907	# can/must only be called in main
		1908	if ($Coro::current != $Coro::main) {
		1909	warn "can only reload from main coroutine\n";
		1910	return;
		1911	}
1078		1912
1079	$msg->("reloading...");	1913	warn "reloading...";
		1914
		1915	local $FREEZE = 1;
		1916	cf::emergency_save;
1080		1917
1081	eval {	1918	eval {
		1919	# if anything goes wrong in here, we should simply crash as we already saved
		1920
1082	# cancel all watchers	1921	# cancel all watchers
1083	$_->cancel for Event::all_watchers;	1922	for (Event::all_watchers) {
		1923	$_->cancel if $_->data & WF_AUTOCANCEL;
		1924	}
		1925
		1926	# cancel all extension coros
		1927	$_->cancel for values %EXT_CORO;
		1928	%EXT_CORO = ();
1084		1929
1085	# unload all extensions	1930	# unload all extensions
1086	for (@exts) {	1931	for (@exts) {
1087	$msg->("unloading <$_>");	1932	warn "unloading <$_>";
1088	unload_extension $_;	1933	unload_extension $_;
1089	}	1934	}
1090		1935
1091	# unload all modules loaded from $LIBDIR	1936	# unload all modules loaded from $LIBDIR
1092	while (my ($k, $v) = each %INC) {	1937	while (my ($k, $v) = each %INC) {
1093	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1094		1939
1095	$msg->("removing <$k>");	1940	warn "removing <$k>";
1096	delete $INC{$k};	1941	delete $INC{$k};
1097		1942
1098	$k =~ s/\.pm$//;	1943	$k =~ s/\.pm$//;
1099	$k =~ s/\//::/g;	1944	$k =~ s/\//::/g;
1100		1945
…		…
1105	Symbol::delete_package $k;	1950	Symbol::delete_package $k;
1106	}	1951	}
1107		1952
1108	# sync database to disk	1953	# sync database to disk
1109	cf::db_sync;	1954	cf::db_sync;
		1955	IO::AIO::flush;
1110		1956
1111	# get rid of safe::, as good as possible	1957	# get rid of safe::, as good as possible
1112	Symbol::delete_package "safe::$_"	1958	Symbol::delete_package "safe::$_"
1113	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1114		1960
1115	# remove register_script_function callbacks	1961	# remove register_script_function callbacks
1116	# TODO	1962	# TODO
1117		1963
1118	# unload cf.pm "a bit"	1964	# unload cf.pm "a bit"
…		…
1121	# don't, removes xs symbols, too,	1967	# don't, removes xs symbols, too,
1122	# and global variables created in xs	1968	# and global variables created in xs
1123	#Symbol::delete_package __PACKAGE__;	1969	#Symbol::delete_package __PACKAGE__;
1124		1970
1125	# reload cf.pm	1971	# reload cf.pm
1126	$msg->("reloading cf.pm");	1972	warn "reloading cf.pm";
1127	require cf;	1973	require cf;
		1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1128		1975
1129	# load config and database again	1976	# load config and database again
1130	cf::cfg_load;	1977	cf::cfg_load;
1131	cf::db_load;	1978	cf::db_load;
1132		1979
1133	# load extensions	1980	# load extensions
1134	$msg->("load extensions");	1981	warn "load extensions";
1135	cf::load_extensions;	1982	cf::load_extensions;
1136		1983
1137	# reattach attachments to objects	1984	# reattach attachments to objects
1138	$msg->("reattach");	1985	warn "reattach";
1139	_global_reattach;	1986	_global_reattach;
1140	};	1987	};
1141	$msg->($@) if $@;
1142		1988
1143	$msg->("reloaded");	1989	if ($@) {
		1990	warn $@;
		1991	warn "error while reloading, exiting.";
		1992	exit 1;
		1993	}
		1994
		1995	warn "reloaded successfully";
1144	};	1996	};
1145		1997
1146	sub perl_reload() {	1998	#############################################################################
1147	_perl_reload {	1999
1148	warn $_[0];	2000	unless ($LINK_MAP) {
1149	print "$_[0]\n";	2001	$LINK_MAP = cf::map::new;
1150	};	2002
		2003	$LINK_MAP->width (41);
		2004	$LINK_MAP->height (41);
		2005	$LINK_MAP->alloc;
		2006	$LINK_MAP->path ("{link}");
		2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2009
		2010	# dirty hack because... archetypes are not yet loaded
		2011	Event->timer (
		2012	after => 2,
		2013	cb => sub {
		2014	$_[0]->w->cancel;
		2015
		2016	# provide some exits "home"
		2017	my $exit = cf::object::new "exit";
		2018
		2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2022
		2023	$LINK_MAP->insert ($exit->clone, 19, 19);
		2024	$LINK_MAP->insert ($exit->clone, 19, 20);
		2025	$LINK_MAP->insert ($exit->clone, 19, 21);
		2026	$LINK_MAP->insert ($exit->clone, 20, 19);
		2027	$LINK_MAP->insert ($exit->clone, 20, 21);
		2028	$LINK_MAP->insert ($exit->clone, 21, 19);
		2029	$LINK_MAP->insert ($exit->clone, 21, 20);
		2030	$LINK_MAP->insert ($exit->clone, 21, 21);
		2031
		2032	$exit->destroy;
		2033	});
		2034
		2035	$LINK_MAP->{deny_save} = 1;
		2036	$LINK_MAP->{deny_reset} = 1;
		2037
		2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1151	}	2039	}
1152		2040
1153	register "<global>", __PACKAGE__;	2041	register "<global>", __PACKAGE__;
1154		2042
1155	register_command "perl-reload" => sub {	2043	register_command "reload" => sub {
1156	my ($who, $arg) = @_;	2044	my ($who, $arg) = @_;
1157		2045
1158	if ($who->flag (FLAG_WIZ)) {	2046	if ($who->flag (FLAG_WIZ)) {
1159	_perl_reload {	2047	$who->message ("start of reload.");
1160	warn $_[0];	2048	reload;
1161	$who->message ($_[0]);	2049	$who->message ("end of reload.");
1162	};
1163	}	2050	}
1164	};	2051	};
1165		2052
1166	unshift @INC, $LIBDIR;	2053	unshift @INC, $LIBDIR;
1167		2054
1168	$TICK_WATCHER = Event->timer (	2055	$TICK_WATCHER = Event->timer (
		2056	reentrant => 0,
1169	prio => 1,	2057	prio => 0,
1170	async => 1,
1171	at => $NEXT_TICK || 1,	2058	at => $NEXT_TICK || $TICK,
		2059	data => WF_AUTOCANCEL,
1172	cb => sub {	2060	cb => sub {
		2061	unless ($FREEZE) {
1173	cf::server_tick; # one server iteration	2062	cf::server_tick; # one server iteration
		2063	$RUNTIME += $TICK;
		2064	}
1174		2065
1175	my $NOW = Event::time;
1176	$NEXT_TICK += $TICK;	2066	$NEXT_TICK += $TICK;
1177		2067
1178	# if we are delayed by four ticks or more, skip them all	2068	# if we are delayed by four ticks or more, skip them all
1179	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1180		2070
1181	$TICK_WATCHER->at ($NEXT_TICK);	2071	$TICK_WATCHER->at ($NEXT_TICK);
1182	$TICK_WATCHER->start;	2072	$TICK_WATCHER->start;
1183	},	2073	},
1184	);	2074	);
1185		2075
1186	IO::AIO::max_poll_time $TICK * 0.2;	2076	IO::AIO::max_poll_time $TICK * 0.2;
1187		2077
		2078	Event->io (
1188	Event->io (fd => IO::AIO::poll_fileno,	2079	fd => IO::AIO::poll_fileno,
1189	poll => 'r',	2080	poll => 'r',
1190	prio => 5,	2081	prio => 5,
		2082	data => WF_AUTOCANCEL,
1191	cb => \&IO::AIO::poll_cb);	2083	cb => \&IO::AIO::poll_cb,
		2084	);
		2085
		2086	Event->timer (
		2087	data => WF_AUTOCANCEL,
		2088	after => 0,
		2089	interval => 10,
		2090	cb => sub {
		2091	(Coro::unblock_sub {
		2092	write_runtime
		2093	or warn "ERROR: unable to write runtime file: $!";
		2094	})->();
		2095	},
		2096	);
1192		2097
1193	1	2098	1
1194		2099

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