[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.88 by root, Fri Dec 15 19:29:18 2006 UTC vs.
Revision 1.133 by root, Thu Jan 4 16:19:32 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
20		32
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		34
23	our %COMMAND = ();	35	our %COMMAND = ();
24	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
25	our %EXTCMD = ();	37	our %EXTCMD = ();
26		38
27	_init_vars;
28
29	our @EVENT;	39	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
31		41
32	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	43	our $TICK_WATCHER;
34	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
35		46
36	our %CFG;	47	our %CFG;
37		48
38	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 $RANDOM_MAPS = cf::localdir . "/random";
		55	our %EXT_CORO;
		56
		57	binmode STDOUT;
		58	binmode STDERR;
		59
		60	# read virtual server time, if available
		61	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {
		62	open my $fh, "<", cf::localdir . "/runtime"
		63	or die "unable to read runtime file: $!";
		64	$RUNTIME = <$fh> + 0.;
		65	}
		66
		67	mkdir cf::localdir;
		68	mkdir cf::localdir . "/" . cf::playerdir;
		69	mkdir cf::localdir . "/" . cf::tmpdir;
		70	mkdir cf::localdir . "/" . cf::uniquedir;
		71	mkdir $RANDOM_MAPS;
		72
		73	# a special map that is always available
		74	our $LINK_MAP;
		75	our $EMERGENCY_POSITION;
39		76
40	#############################################################################	77	#############################################################################
41		78
42	=head2 GLOBAL VARIABLES	79	=head2 GLOBAL VARIABLES
43		80
44	=over 4	81	=over 4
45		82
46	=item $cf::UPTIME	83	=item $cf::UPTIME
47		84
48	The timestamp of the server start (so not actually an uptime).	85	The timestamp of the server start (so not actually an uptime).
		86
		87	=item $cf::RUNTIME
		88
		89	The time this server has run, starts at 0 and is increased by $cf::TICK on
		90	every server tick.
49		91
50	=item $cf::LIBDIR	92	=item $cf::LIBDIR
51		93
52	The perl library directory, where extensions and cf-specific modules can	94	The perl library directory, where extensions and cf-specific modules can
53	be found. It will be added to C<@INC> automatically.	95	be found. It will be added to C<@INC> automatically.
		96
		97	=item $cf::NOW
		98
		99	The time of the last (current) server tick.
54		100
55	=item $cf::TICK	101	=item $cf::TICK
56		102
57	The interval between server ticks, in seconds.	103	The interval between server ticks, in seconds.
58		104
66	=cut	112	=cut
67		113
68	BEGIN {	114	BEGIN {
69	*CORE::GLOBAL::warn = sub {	115	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	116	my $msg = join "", @_;
		117	utf8::encode $msg;
		118
71	$msg .= "\n"	119	$msg .= "\n"
72	unless $msg =~ /\n$/;	120	unless $msg =~ /\n$/;
73		121
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	122	LOG llevError, "cfperl: $msg";
76	};	123	};
77	}	124	}
78		125
		126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
		127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
		128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
		129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
		130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
79	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
80		132
81	# we bless all objects into (empty) derived classes to force a method lookup	133	# we bless all objects into (empty) derived classes to force a method lookup
82	# within the Safe compartment.	134	# within the Safe compartment.
83	for my $pkg (qw(	135	for my $pkg (qw(
		136	cf::global cf::attachable
84	cf::object cf::object::player	137	cf::object cf::object::player
85	cf::client_socket cf::player	138	cf::client cf::player
86	cf::arch cf::living	139	cf::arch cf::living
87	cf::map cf::party cf::region	140	cf::map cf::party cf::region
88	)) {	141	)) {
89	no strict 'refs';	142	no strict 'refs';
90	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
…		…
126	sub to_json($) {	179	sub to_json($) {
127	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
128	JSON::Syck::Dump $_[0]	181	JSON::Syck::Dump $_[0]
129	}	182	}
130		183
		184	=item my $guard = cf::guard { BLOCK }
		185
		186	Run the given callback when the guard object gets destroyed (useful for
		187	coroutine cancellations).
		188
		189	You can call C<< ->cancel >> on the guard object to stop the block from
		190	being executed.
		191
		192	=cut
		193
		194	sub guard(&) {
		195	bless \(my $cb = $_[0]), cf::guard::;
		196	}
		197
		198	sub cf::guard::cancel {
		199	${$_[0]} = sub { };
		200	}
		201
		202	sub cf::guard::DESTROY {
		203	${$_[0]}->();
		204	}
		205
		206	=item cf::lock_wait $string
		207
		208	Wait until the given lock is available. See cf::lock_acquire.
		209
		210	=item my $lock = cf::lock_acquire $string
		211
		212	Wait until the given lock is available and then acquires it and returns
		213	a guard object. If the guard object gets destroyed (goes out of scope,
		214	for example when the coroutine gets canceled), the lock is automatically
		215	returned.
		216
		217	Lock names should begin with a unique identifier (for example, cf::map::find
		218	uses map_find and cf::map::load uses map_load).
		219
		220	=cut
		221
		222	our %LOCK;
		223
		224	sub lock_wait($) {
		225	my ($key) = @_;
		226
		227	# wait for lock, if any
		228	while ($LOCK{$key}) {
		229	push @{ $LOCK{$key} }, $Coro::current;
		230	Coro::schedule;
		231	}
		232	}
		233
		234	sub lock_acquire($) {
		235	my ($key) = @_;
		236
		237	# wait, to be sure we are not locked
		238	lock_wait $key;
		239
		240	$LOCK{$key} = [];
		241
		242	cf::guard {
		243	# wake up all waiters, to be on the safe side
		244	$_->ready for @{ delete $LOCK{$key} };
		245	}
		246	}
		247
		248	=item cf::async { BLOCK }
		249
		250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		251	error instead of exiting the server in case of a problem.
		252
		253	=cut
		254
		255	sub async(&) {
		256	my ($cb) = @_;
		257
		258	Coro::async {
		259	eval { $cb->() };
		260	warn $@ if $@;
		261	}
		262	}
		263
		264	sub freeze_mainloop {
		265	return unless $TICK_WATCHER->is_active;
		266
		267	my $guard = guard { $TICK_WATCHER->start };
		268	$TICK_WATCHER->stop;
		269	$guard
		270	}
		271
		272	=item cf::sync_job { BLOCK }
		273
		274	The design of crossfire+ requires that the main coro ($Coro::main) is
		275	always able to handle events or runnable, as crossfire+ is only partly
		276	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		277
		278	If it must be done, put the blocking parts into C<sync_job>. This will run
		279	the given BLOCK in another coroutine while waiting for the result. The
		280	server will be frozen during this time, so the block should either finish
		281	fast or be very important.
		282
		283	=cut
		284
		285	sub sync_job(&) {
		286	my ($job) = @_;
		287
		288	if ($Coro::current == $Coro::main) {
		289	# this is the main coro, too bad, we have to block
		290	# till the operation succeeds, freezing the server :/
		291
		292	# TODO: use suspend/resume instead
		293	# (but this is cancel-safe)
		294	my $freeze_guard = freeze_mainloop;
		295
		296	my $busy = 1;
		297	my @res;
		298
		299	(Coro::async {
		300	@res = eval { $job->() };
		301	warn $@ if $@;
		302	undef $busy;
		303	})->prio (Coro::PRIO_MAX);
		304
		305	while ($busy) {
		306	Coro::cede_notself;
		307	Event::one_event unless Coro::nready;
		308	}
		309
		310	wantarray ? @res : $res[0]
		311	} else {
		312	# we are in another coroutine, how wonderful, everything just works
		313
		314	$job->()
		315	}
		316	}
		317
		318	=item $coro = cf::coro { BLOCK }
		319
		320	Creates and returns a new coro. This coro is automcatially being canceled
		321	when the extension calling this is being unloaded.
		322
		323	=cut
		324
		325	sub coro(&) {
		326	my $cb = shift;
		327
		328	my $coro = &cf::async ($cb);
		329
		330	$coro->on_destroy (sub {
		331	delete $EXT_CORO{$coro+0};
		332	});
		333	$EXT_CORO{$coro+0} = $coro;
		334
		335	$coro
		336	}
		337
		338	sub write_runtime {
		339	my $runtime = cf::localdir . "/runtime";
		340
		341	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		342	or return;
		343
		344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		346	and return;
		347
		348	aio_fsync $fh
		349	and return;
		350
		351	close $fh
		352	or return;
		353
		354	aio_rename "$runtime~", $runtime
		355	and return;
		356
		357	1
		358	}
		359
131	=back	360	=back
132		361
133	=cut	362	=cut
134		363
135	#############################################################################	364	#############################################################################
136		365
137	=head2 EVENTS AND OBJECT ATTACHMENTS	366	package cf::path;
		367
		368	sub new {
		369	my ($class, $path, $base) = @_;
		370
		371	$path = $path->as_string if ref $path;
		372
		373	my $self = bless { }, $class;
		374
		375	# {... are special paths that are not touched
		376	# ?xxx/... are special absolute paths
		377	# ?random/... random maps
		378	# /! non-realised random map exit
		379	# /... normal maps
		380	# ~/... per-player maps without a specific player (DO NOT USE)
		381	# ~user/... per-player map of a specific user
		382
		383	if ($path =~ /^{/) {
		384	# fine as it is
		385	} elsif ($path =~ s{^\?random/}{}) {
		386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		387	$self->{random} = cf::from_json $data;
		388	} else {
		389	if ($path =~ s{^~([^/]+)?}{}) {
		390	$self->{user_rel} = 1;
		391
		392	if (defined $1) {
		393	$self->{user} = $1;
		394	} elsif ($base =~ m{^~([^/]+)/}) {
		395	$self->{user} = $1;
		396	} else {
		397	warn "cannot resolve user-relative path without user <$path,$base>\n";
		398	}
		399	} elsif ($path =~ /^\//) {
		400	# already absolute
		401	} else {
		402	$base =~ s{[^/]+/?$}{};
		403	return $class->new ("$base/$path");
		404	}
		405
		406	for ($path) {
		407	redo if s{/\.?/}{/};
		408	redo if s{/[^/]+/\.\./}{/};
		409	}
		410	}
		411
		412	$self->{path} = $path;
		413
		414	$self
		415	}
		416
		417	# the name / primary key / in-game path
		418	sub as_string {
		419	my ($self) = @_;
		420
		421	$self->{user_rel} ? "~$self->{user}$self->{path}"
		422	: $self->{random} ? "?random/$self->{path}"
		423	: $self->{path}
		424	}
		425
		426	# the displayed name, this is a one way mapping
		427	sub visible_name {
		428	my ($self) = @_;
		429
		430	# if (my $rmp = $self->{random}) {
		431	# # todo: be more intelligent about this
		432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		433	# } else {
		434	$self->as_string
		435	# }
		436	}
		437
		438	# escape the /'s in the path
		439	sub _escaped_path {
		440	# ∕ is U+2215
		441	(my $path = $_[0]{path}) =~ s/\//∕/g;
		442	$path
		443	}
		444
		445	# the original (read-only) location
		446	sub load_path {
		447	my ($self) = @_;
		448
		449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		450	}
		451
		452	# the temporary/swap location
		453	sub save_path {
		454	my ($self) = @_;
		455
		456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		459	}
		460
		461	# the unique path, might be eq to save_path
		462	sub uniq_path {
		463	my ($self) = @_;
		464
		465	$self->{user_rel} \|\| $self->{random}
		466	? undef
		467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		468	}
		469
		470	# return random map parameters, or undef
		471	sub random_map_params {
		472	my ($self) = @_;
		473
		474	$self->{random}
		475	}
		476
		477	# this is somewhat ugly, but style maps do need special treatment
		478	sub is_style_map {
		479	$_[0]{path} =~ m{^/styles/}
		480	}
		481
		482	package cf;
		483
		484	#############################################################################
		485
		486	=head2 ATTACHABLE OBJECTS
		487
		488	Many objects in crossfire are so-called attachable objects. That means you can
		489	attach callbacks/event handlers (a collection of which is called an "attachment")
		490	to it. All such attachable objects support the following methods.
		491
		492	In the following description, CLASS can be any of C<global>, C<object>
		493	C<player>, C<client> or C<map> (i.e. the attachable objects in
		494	crossfire+).
138		495
139	=over 4	496	=over 4
140		497
141	=item $object->attach ($attachment, key => $value...)
142
143	=item $object->detach ($attachment)
144
145	Attach/detach a pre-registered attachment to an object.
146
147	=item $player->attach ($attachment, key => $value...)
148
149	=item $player->detach ($attachment)
150
151	Attach/detach a pre-registered attachment to a player.
152
153	=item $map->attach ($attachment, key => $value...)	498	=item $attachable->attach ($attachment, key => $value...)
154		499
155	=item $map->detach ($attachment)	500	=item $attachable->detach ($attachment)
156		501
157	Attach/detach a pre-registered attachment to a map.	502	Attach/detach a pre-registered attachment to a specific object and give it
		503	the specified key/value pairs as arguments.
158		504
159	=item $bool = $object->attached ($name)	505	Example, attach a minesweeper attachment to the given object, making it a
		506	10x10 minesweeper game:
160		507
161	=item $bool = $player->attached ($name)	508	$obj->attach (minesweeper => width => 10, height => 10);
162		509
163	=item $bool = $map->attached ($name)	510	=item $bool = $attachable->attached ($name)
164		511
165	Checks wether the named attachment is currently attached to the object.	512	Checks wether the named attachment is currently attached to the object.
166		513
167	=item cf::attach_global ...	514	=item cf::CLASS->attach ...
168		515
169	Attach handlers for global events.	516	=item cf::CLASS->detach ...
170		517
171	This and all following C<attach_*>-functions expect any number of the	518	Define an anonymous attachment and attach it to all objects of the given
172	following handler/hook descriptions:	519	CLASS. See the next function for an explanation of its arguments.
		520
		521	You can attach to global events by using the C<cf::global> class.
		522
		523	Example, log all player logins:
		524
		525	cf::player->attach (
		526	on_login => sub {
		527	my ($pl) = @_;
		528	...
		529	},
		530	);
		531
		532	Example, attach to the jeweler skill:
		533
		534	cf::object->attach (
		535	type => cf::SKILL,
		536	subtype => cf::SK_JEWELER,
		537	on_use_skill => sub {
		538	my ($sk, $ob, $part, $dir, $msg) = @_;
		539	...
		540	},
		541	);
		542
		543	=item cf::CLASS::attachment $name, ...
		544
		545	Register an attachment by C<$name> through which attachable objects of the
		546	given CLASS can refer to this attachment.
		547
		548	Some classes such as crossfire maps and objects can specify attachments
		549	that are attached at load/instantiate time, thus the need for a name.
		550
		551	These calls expect any number of the following handler/hook descriptions:
173		552
174	=over 4	553	=over 4
175		554
176	=item prio => $number	555	=item prio => $number
177		556
…		…
179	by another C<prio> setting). Lower priority handlers get executed	558	by another C<prio> setting). Lower priority handlers get executed
180	earlier. The default priority is C<0>, and many built-in handlers are	559	earlier. The default priority is C<0>, and many built-in handlers are
181	registered at priority C<-1000>, so lower priorities should not be used	560	registered at priority C<-1000>, so lower priorities should not be used
182	unless you know what you are doing.	561	unless you know what you are doing.
183		562
		563	=item type => $type
		564
		565	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		566	given type of objects only (the additional parameter C<subtype> can be
		567	used to further limit to the given subtype).
		568
184	=item on_I<event> => \&cb	569	=item on_I<event> => \&cb
185		570
186	Call the given code reference whenever the named event happens (event is	571	Call the given code reference whenever the named event happens (event is
187	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	572	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
188	handlers are recognised generally depends on the type of object these	573	handlers are recognised generally depends on the type of object these
…		…
197	package and register them. Only handlers for eevents supported by the	582	package and register them. Only handlers for eevents supported by the
198	object/class are recognised.	583	object/class are recognised.
199		584
200	=back	585	=back
201		586
202	=item cf::attach_to_type $object_type, $subtype, ...	587	Example, define an attachment called "sockpuppet" that calls the given
		588	event handler when a monster attacks:
203		589
204	Attach handlers for a specific object type (e.g. TRANSPORT) and	590	cf::object::attachment sockpuppet =>
205	subtype. If C<$subtype> is zero or undef, matches all objects of the given	591	on_skill_attack => sub {
206	type.	592	my ($self, $victim) = @_;
207		593	...
208	=item cf::attach_to_objects ...
209
210	Attach handlers to all objects. Do not use this except for debugging or
211	very rare events, as handlers are (obviously) called for I<all> objects in
212	the game.
213
214	=item cf::attach_to_players ...
215
216	Attach handlers to all players.
217
218	=item cf::attach_to_maps ...
219
220	Attach handlers to all maps.
221
222	=item cf:register_attachment $name, ...
223
224	Register an attachment by name through which objects can refer to this
225	attachment.
226
227	=item cf:register_player_attachment $name, ...
228
229	Register an attachment by name through which players can refer to this
230	attachment.
231
232	=item cf:register_map_attachment $name, ...
233
234	Register an attachment by name through which maps can refer to this
235	attachment.
236
237	=cut
238
239	# the following variables are defined in .xs and must not be re-created
240	our @CB_GLOBAL = (); # registry for all global events
241	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
242	our @CB_PLAYER = ();
243	our @CB_TYPE = (); # registry for type (cf-object class) based events
244	our @CB_MAP = ();
245
246	my %attachment;
247
248	sub _attach_cb($\%$$$) {
249	my ($registry, $undo, $event, $prio, $cb) = @_;
250
251	use sort 'stable';
252
253	$cb = [$prio, $cb];
254
255	@{$registry->[$event]} = sort
256	{ $a->[0] cmp $b->[0] }
257	@{$registry->[$event] \|\| []}, $cb;
258
259	push @{$undo->{cb}}, [$event, $cb];
260	}
261
262	# attach handles attaching event callbacks
263	# the only thing the caller has to do is pass the correct
264	# registry (== where the callback attaches to).
265	sub _attach(\@$@) {
266	my ($registry, $klass, @arg) = @_;
267
268	my $prio = 0;
269
270	my %undo = (
271	registry => $registry,
272	cb => [],
273	);
274
275	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
276
277	while (@arg) {
278	my $type = shift @arg;
279
280	if ($type eq "prio") {
281	$prio = shift @arg;
282
283	} elsif ($type eq "package") {
284	my $pkg = shift @arg;
285
286	while (my ($name, $id) = each %cb_id) {
287	if (my $cb = $pkg->can ($name)) {
288	_attach_cb $registry, %undo, $id, $prio, $cb;
289	}
290	}	594	}
291
292	} elsif (exists $cb_id{$type}) {
293	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
294
295	} elsif (ref $type) {
296	warn "attaching objects not supported, ignoring.\n";
297
298	} else {
299	shift @arg;
300	warn "attach argument '$type' not supported, ignoring.\n";
301	}
302	}
303
304	\%undo
305	}
306
307	sub _attach_attachment {
308	my ($obj, $name, %arg) = @_;
309
310	return if exists $obj->{_attachment}{$name};
311
312	my $res;
313
314	if (my $attach = $attachment{$name}) {
315	my $registry = $obj->registry;
316
317	for (@$attach) {
318	my ($klass, @attach) = @$_;
319	$res = _attach @$registry, $klass, @attach;
320	}
321
322	$obj->{$name} = \%arg;
323	} else {
324	warn "object uses attachment '$name' that is not available, postponing.\n";
325	}
326
327	$obj->{_attachment}{$name} = undef;
328
329	$res->{attachment} = $name;
330	$res
331	}
332
333	*cf::object::attach =
334	*cf::player::attach =
335	*cf::map::attach = sub {
336	my ($obj, $name, %arg) = @_;
337
338	_attach_attachment $obj, $name, %arg;
339	};
340
341	# all those should be optimised
342	*cf::object::detach =
343	*cf::player::detach =
344	*cf::map::detach = sub {
345	my ($obj, $name) = @_;
346
347	delete $obj->{_attachment}{$name};
348	reattach ($obj);
349	};
350
351	*cf::object::attached =
352	*cf::player::attached =
353	*cf::map::attached = sub {
354	my ($obj, $name) = @_;
355
356	exists $obj->{_attachment}{$name}
357	};
358
359	sub attach_global {
360	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
361	}
362
363	sub attach_to_type {
364	my $type = shift;
365	my $subtype = shift;
366
367	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
368	}
369
370	sub attach_to_objects {
371	_attach @CB_OBJECT, KLASS_OBJECT, @_
372	}
373
374	sub attach_to_players {
375	_attach @CB_PLAYER, KLASS_PLAYER, @_
376	}
377
378	sub attach_to_maps {
379	_attach @CB_MAP, KLASS_MAP, @_
380	}
381
382	sub register_attachment {
383	my $name = shift;
384
385	$attachment{$name} = [[KLASS_OBJECT, @_]];
386	}
387
388	sub register_player_attachment {
389	my $name = shift;
390
391	$attachment{$name} = [[KLASS_PLAYER, @_]];
392	}
393
394	sub register_map_attachment {
395	my $name = shift;
396
397	$attachment{$name} = [[KLASS_MAP, @_]];
398	}
399
400	our $override;
401	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
402
403	sub override {
404	$override = 1;
405	@invoke_results = ();
406	}
407
408	sub do_invoke {
409	my $event = shift;
410	my $callbacks = shift;
411
412	@invoke_results = ();
413
414	local $override;
415
416	for (@$callbacks) {
417	eval { &{$_->[1]} };
418
419	if ($@) {
420	warn "$@";
421	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
422	override;
423	}
424
425	return 1 if $override;
426	}
427
428	0	595	}
429	}
430		596
431	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	597	=item $attachable->valid
432
433	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
434
435	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
436
437	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
438
439	Generate a global/object/player/map-specific event with the given arguments.
440
441	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
442	removed in future versions), and there is no public API to access override
443	results (if you must, access C<@cf::invoke_results> directly).
444
445	=back
446
447	=cut
448
449	#############################################################################
450
451	=head2 METHODS VALID FOR ALL CORE OBJECTS
452
453	=over 4
454
455	=item $object->valid, $player->valid, $map->valid
456		598
457	Just because you have a perl object does not mean that the corresponding	599	Just because you have a perl object does not mean that the corresponding
458	C-level object still exists. If you try to access an object that has no	600	C-level object still exists. If you try to access an object that has no
459	valid C counterpart anymore you get an exception at runtime. This method	601	valid C counterpart anymore you get an exception at runtime. This method
460	can be used to test for existence of the C object part without causing an	602	can be used to test for existence of the C object part without causing an
461	exception.	603	exception.
462		604
		605	=cut
		606
		607	# the following variables are defined in .xs and must not be re-created
		608	our @CB_GLOBAL = (); # registry for all global events
		609	our @CB_ATTACHABLE = (); # registry for all attachables
		610	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		611	our @CB_PLAYER = ();
		612	our @CB_CLIENT = ();
		613	our @CB_TYPE = (); # registry for type (cf-object class) based events
		614	our @CB_MAP = ();
		615
		616	my %attachment;
		617
		618	sub _attach_cb($$$$) {
		619	my ($registry, $event, $prio, $cb) = @_;
		620
		621	use sort 'stable';
		622
		623	$cb = [$prio, $cb];
		624
		625	@{$registry->[$event]} = sort
		626	{ $a->[0] cmp $b->[0] }
		627	@{$registry->[$event] \|\| []}, $cb;
		628	}
		629
		630	# hack
		631	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		632
		633	# attach handles attaching event callbacks
		634	# the only thing the caller has to do is pass the correct
		635	# registry (== where the callback attaches to).
		636	sub _attach {
		637	my ($registry, $klass, @arg) = @_;
		638
		639	my $object_type;
		640	my $prio = 0;
		641	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		642
		643	#TODO: get rid of this hack
		644	if ($attachable_klass{$klass}) {
		645	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		646	}
		647
		648	while (@arg) {
		649	my $type = shift @arg;
		650
		651	if ($type eq "prio") {
		652	$prio = shift @arg;
		653
		654	} elsif ($type eq "type") {
		655	$object_type = shift @arg;
		656	$registry = $CB_TYPE[$object_type] \|\|= [];
		657
		658	} elsif ($type eq "subtype") {
		659	defined $object_type or Carp::croak "subtype specified without type";
		660	my $object_subtype = shift @arg;
		661	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];
		662
		663	} elsif ($type eq "package") {
		664	my $pkg = shift @arg;
		665
		666	while (my ($name, $id) = each %cb_id) {
		667	if (my $cb = $pkg->can ($name)) {
		668	_attach_cb $registry, $id, $prio, $cb;
		669	}
		670	}
		671
		672	} elsif (exists $cb_id{$type}) {
		673	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		674
		675	} elsif (ref $type) {
		676	warn "attaching objects not supported, ignoring.\n";
		677
		678	} else {
		679	shift @arg;
		680	warn "attach argument '$type' not supported, ignoring.\n";
		681	}
		682	}
		683	}
		684
		685	sub _object_attach {
		686	my ($obj, $name, %arg) = @_;
		687
		688	return if exists $obj->{_attachment}{$name};
		689
		690	if (my $attach = $attachment{$name}) {
		691	my $registry = $obj->registry;
		692
		693	for (@$attach) {
		694	my ($klass, @attach) = @$_;
		695	_attach $registry, $klass, @attach;
		696	}
		697
		698	$obj->{$name} = \%arg;
		699	} else {
		700	warn "object uses attachment '$name' that is not available, postponing.\n";
		701	}
		702
		703	$obj->{_attachment}{$name} = undef;
		704	}
		705
		706	sub cf::attachable::attach {
		707	if (ref $_[0]) {
		708	_object_attach @_;
		709	} else {
		710	_attach shift->_attach_registry, @_;
		711	}
		712	};
		713
		714	# all those should be optimised
		715	sub cf::attachable::detach {
		716	my ($obj, $name) = @_;
		717
		718	if (ref $obj) {
		719	delete $obj->{_attachment}{$name};
		720	reattach ($obj);
		721	} else {
		722	Carp::croak "cannot, currently, detach class attachments";
		723	}
		724	};
		725
		726	sub cf::attachable::attached {
		727	my ($obj, $name) = @_;
		728
		729	exists $obj->{_attachment}{$name}
		730	}
		731
		732	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		733	eval "#line " . __LINE__ . " 'cf.pm'
		734	sub cf::\L$klass\E::_attach_registry {
		735	(\\\@CB_$klass, KLASS_$klass)
		736	}
		737
		738	sub cf::\L$klass\E::attachment {
		739	my \$name = shift;
		740
		741	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		742	}
		743	";
		744	die if $@;
		745	}
		746
		747	our $override;
		748	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		749
		750	sub override {
		751	$override = 1;
		752	@invoke_results = ();
		753	}
		754
		755	sub do_invoke {
		756	my $event = shift;
		757	my $callbacks = shift;
		758
		759	@invoke_results = ();
		760
		761	local $override;
		762
		763	for (@$callbacks) {
		764	eval { &{$_->[1]} };
		765
		766	if ($@) {
		767	warn "$@";
		768	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		769	override;
		770	}
		771
		772	return 1 if $override;
		773	}
		774
		775	0
		776	}
		777
		778	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		779
		780	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		781
		782	Generate an object-specific event with the given arguments.
		783
		784	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		785	removed in future versions), and there is no public API to access override
		786	results (if you must, access C<@cf::invoke_results> directly).
		787
463	=back	788	=back
464		789
465	=cut	790	=cut
466
467	*cf::object::valid =
468	*cf::player::valid =
469	*cf::map::valid = \&cf::_valid;
470		791
471	#############################################################################	792	#############################################################################
472	# object support	793	# object support
473		794
474	sub instantiate {
475	my ($obj, $data) = @_;
476
477	$data = from_json $data;
478
479	for (@$data) {
480	my ($name, $args) = @$_;
481
482	$obj->attach ($name, %{$args \|\| {} });
483	}
484	}
485
486	# basically do the same as instantiate, without calling instantiate
487	sub reattach {	795	sub reattach {
		796	# basically do the same as instantiate, without calling instantiate
488	my ($obj) = @_;	797	my ($obj) = @_;
		798
489	my $registry = $obj->registry;	799	my $registry = $obj->registry;
490		800
491	@$registry = ();	801	@$registry = ();
492		802
493	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	803	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
494		804
495	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	805	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
496	if (my $attach = $attachment{$name}) {	806	if (my $attach = $attachment{$name}) {
497	for (@$attach) {	807	for (@$attach) {
498	my ($klass, @attach) = @$_;	808	my ($klass, @attach) = @$_;
499	_attach @$registry, $klass, @attach;	809	_attach $registry, $klass, @attach;
500	}	810	}
501	} else {	811	} else {
502	warn "object uses attachment '$name' that is not available, postponing.\n";	812	warn "object uses attachment '$name' that is not available, postponing.\n";
503	}	813	}
504	}	814	}
505	}	815	}
506		816
507	sub object_freezer_save {	817	cf::attachable->attach (
508	my ($filename, $rdata, $objs) = @_;
509
510	if (length $$rdata) {
511	warn sprintf "saving %s (%d,%d)\n",
512	$filename, length $$rdata, scalar @$objs;
513
514	if (open my $fh, ">:raw", "$filename~") {
515	chmod SAVE_MODE, $fh;
516	syswrite $fh, $$rdata;
517	close $fh;
518
519	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
520	chmod SAVE_MODE, $fh;
521	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
522	close $fh;
523	rename "$filename.pst~", "$filename.pst";
524	} else {
525	unlink "$filename.pst";
526	}
527
528	rename "$filename~", $filename;
529	} else {
530	warn "FATAL: $filename~: $!\n";
531	}
532	} else {
533	unlink $filename;
534	unlink "$filename.pst";
535	}
536	}
537
538	sub object_freezer_as_string {
539	my ($rdata, $objs) = @_;
540
541	use Data::Dumper;
542
543	$$rdata . Dumper $objs
544	}
545
546	sub object_thawer_load {
547	my ($filename) = @_;
548
549	local $/;
550
551	my $av;
552
553	#TODO: use sysread etc.
554	if (open my $data, "<:raw:perlio", $filename) {
555	$data = <$data>;
556	if (open my $pst, "<:raw:perlio", "$filename.pst") {
557	$av = eval { (Storable::thaw <$pst>)->{objs} };
558	}
559	return ($data, $av);
560	}
561
562	()
563	}
564
565	attach_to_objects
566	prio => -1000000,	818	prio => -1000000,
		819	on_instantiate => sub {
		820	my ($obj, $data) = @_;
		821
		822	$data = from_json $data;
		823
		824	for (@$data) {
		825	my ($name, $args) = @$_;
		826
		827	$obj->attach ($name, %{$args \|\| {} });
		828	}
		829	},
		830	on_reattach => \&reattach,
567	on_clone => sub {	831	on_clone => sub {
568	my ($src, $dst) = @_;	832	my ($src, $dst) = @_;
569		833
570	@{$dst->registry} = @{$src->registry};	834	@{$dst->registry} = @{$src->registry};
571		835
572	%$dst = %$src;	836	%$dst = %$src;
573		837
574	%{$dst->{_attachment}} = %{$src->{_attachment}}	838	%{$dst->{_attachment}} = %{$src->{_attachment}}
575	if exists $src->{_attachment};	839	if exists $src->{_attachment};
576	},	840	},
577	;	841	);
		842
		843	sub object_freezer_save {
		844	my ($filename, $rdata, $objs) = @_;
		845
		846	sync_job {
		847	if (length $$rdata) {
		848	warn sprintf "saving %s (%d,%d)\n",
		849	$filename, length $$rdata, scalar @$objs;
		850
		851	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		852	chmod SAVE_MODE, $fh;
		853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		854	aio_fsync $fh;
		855	close $fh;
		856
		857	if (@$objs) {
		858	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		859	chmod SAVE_MODE, $fh;
		860	my $data = Storable::nfreeze { version => 1, objs => $objs };
		861	aio_write $fh, 0, (length $data), $data, 0;
		862	aio_fsync $fh;
		863	close $fh;
		864	aio_rename "$filename.pst~", "$filename.pst";
		865	}
		866	} else {
		867	aio_unlink "$filename.pst";
		868	}
		869
		870	aio_rename "$filename~", $filename;
		871	} else {
		872	warn "FATAL: $filename~: $!\n";
		873	}
		874	} else {
		875	aio_unlink $filename;
		876	aio_unlink "$filename.pst";
		877	}
		878	}
		879	}
		880
		881	sub object_freezer_as_string {
		882	my ($rdata, $objs) = @_;
		883
		884	use Data::Dumper;
		885
		886	$$rdata . Dumper $objs
		887	}
		888
		889	sub object_thawer_load {
		890	my ($filename) = @_;
		891
		892	my ($data, $av);
		893
		894	(aio_load $filename, $data) >= 0
		895	or return;
		896
		897	unless (aio_stat "$filename.pst") {
		898	(aio_load "$filename.pst", $av) >= 0
		899	or return;
		900	$av = eval { (Storable::thaw $av)->{objs} };
		901	}
		902
		903	warn sprintf "loading %s (%d)\n",
		904	$filename, length $data, scalar @{$av \|\| []};#d#
		905	return ($data, $av);
		906	}
578		907
579	#############################################################################	908	#############################################################################
580	# command handling &c	909	# command handling &c
581		910
582	=item cf::register_command $name => \&callback($ob,$args);	911	=item cf::register_command $name => \&callback($ob,$args);
…		…
611	#warn "registering extcmd '$name' to '$caller'";	940	#warn "registering extcmd '$name' to '$caller'";
612		941
613	$EXTCMD{$name} = [$cb, $caller];	942	$EXTCMD{$name} = [$cb, $caller];
614	}	943	}
615		944
616	attach_to_players	945	cf::player->attach (
617	on_command => sub {	946	on_command => sub {
618	my ($pl, $name, $params) = @_;	947	my ($pl, $name, $params) = @_;
619		948
620	my $cb = $COMMAND{$name}	949	my $cb = $COMMAND{$name}
621	or return;	950	or return;
…		…
641	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
642	}	971	}
643		972
644	cf::override;	973	cf::override;
645	},	974	},
646	;	975	);
647		976
648	sub register {	977	sub register {
649	my ($base, $pkg) = @_;	978	my ($base, $pkg) = @_;
650		979
651	#TODO	980	#TODO
…		…
741	defined $path or return;	1070	defined $path or return;
742		1071
743	unlink "$path.pst";	1072	unlink "$path.pst";
744	};	1073	};
745		1074
746	attach_to_maps prio => -10000, package => cf::mapsupport::;	1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
747		1076
748	#############################################################################	1077	#############################################################################
749	# load/save perl data associated with player->ob objects	1078	# load/save perl data associated with player->ob objects
750		1079
751	sub all_objects(@) {	1080	sub all_objects(@) {
752	@_, map all_objects ($_->inv), @_	1081	@_, map all_objects ($_->inv), @_
753	}	1082	}
754		1083
755	# TODO: compatibility cruft, remove when no longer needed	1084	# TODO: compatibility cruft, remove when no longer needed
756	attach_to_players	1085	cf::player->attach (
757	on_load => sub {	1086	on_load => sub {
758	my ($pl, $path) = @_;	1087	my ($pl, $path) = @_;
759		1088
760	for my $o (all_objects $pl->ob) {	1089	for my $o (all_objects $pl->ob) {
761	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
763		1092
764	%$o = %{ Storable::thaw pack "H*", $value };	1093	%$o = %{ Storable::thaw pack "H*", $value };
765	}	1094	}
766	}	1095	}
767	},	1096	},
768	;	1097	);
769		1098
770	#############################################################################	1099	#############################################################################
771		1100
772	=head2 CORE EXTENSIONS	1101	=head2 CORE EXTENSIONS
773		1102
774	Functions and methods that extend core crossfire objects.	1103	Functions and methods that extend core crossfire objects.
		1104
		1105	=head3 cf::player
775		1106
776	=over 4	1107	=over 4
777		1108
778	=item cf::player::exists $login	1109	=item cf::player::exists $login
779		1110
…		…
784	sub cf::player::exists($) {	1115	sub cf::player::exists($) {
785	cf::player::find $_[0]	1116	cf::player::find $_[0]
786	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
787	}	1118	}
788		1119
		1120	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1121
		1122	Sends an ext reply to the player.
		1123
		1124	=cut
		1125
		1126	sub cf::player::ext_reply($$$%) {
		1127	my ($self, $id, %msg) = @_;
		1128
		1129	$msg{msgid} = $id;
		1130
		1131	$self->send ("ext " . to_json \%msg);
		1132	}
		1133
		1134	=back
		1135
		1136
		1137	=head3 cf::map
		1138
		1139	=over 4
		1140
		1141	=cut
		1142
		1143	package cf::map;
		1144
		1145	use Fcntl;
		1146	use Coro::AIO;
		1147
		1148	our $MAX_RESET = 3600;
		1149	our $DEFAULT_RESET = 3000;
		1150
		1151	sub generate_random_map {
		1152	my ($path, $rmp) = @_;
		1153
		1154	# mit "rum" bekleckern, nicht
		1155	cf::map::_create_random_map
		1156	$path,
		1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1160	$rmp->{exit_on_final_map},
		1161	$rmp->{xsize}, $rmp->{ysize},
		1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1167	(cf::region::find $rmp->{region})
		1168	}
		1169
		1170	# and all this just because we cannot iterate over
		1171	# all maps in C++...
		1172	sub change_all_map_light {
		1173	my ($change) = @_;
		1174
		1175	$_->change_map_light ($change)
		1176	for grep $_->outdoor, values %cf::MAP;
		1177	}
		1178
		1179	sub try_load_header($) {
		1180	my ($path) = @_;
		1181
		1182	utf8::encode $path;
		1183	aio_open $path, O_RDONLY, 0
		1184	or return;
		1185
		1186	my $map = cf::map::new
		1187	or return;
		1188
		1189	$map->load_header ($path)
		1190	or return;
		1191
		1192	$map->{load_path} = $path;
		1193
		1194	$map
		1195	}
		1196
		1197	sub find;
		1198	sub find {
		1199	my ($path, $origin) = @_;
		1200
		1201	#warn "find<$path,$origin>\n";#d#
		1202
		1203	$path = new cf::path $path, $origin && $origin->path;
		1204	my $key = $path->as_string;
		1205
		1206	cf::lock_wait "map_find:$key";
		1207
		1208	$cf::MAP{$key} \|\| do {
		1209	my $guard = cf::lock_acquire "map_find:$key";
		1210
		1211	# do it the slow way
		1212	my $map = try_load_header $path->save_path;
		1213
		1214	if ($map) {
		1215	$map->last_access ((delete $map->{last_access})
		1216	\|\| $cf::RUNTIME); #d#
		1217	# safety
		1218	$map->{instantiate_time} = $cf::RUNTIME
		1219	if $map->{instantiate_time} > $cf::RUNTIME;
		1220	} else {
		1221	if (my $rmp = $path->random_map_params) {
		1222	$map = generate_random_map $key, $rmp;
		1223	} else {
		1224	$map = try_load_header $path->load_path;
		1225	}
		1226
		1227	$map or return;
		1228
		1229	$map->{load_original} = 1;
		1230	$map->{instantiate_time} = $cf::RUNTIME;
		1231	$map->last_access ($cf::RUNTIME);
		1232	$map->instantiate;
		1233
		1234	# per-player maps become, after loading, normal maps
		1235	$map->per_player (0) if $path->{user_rel};
		1236	}
		1237
		1238	$map->path ($key);
		1239	$map->{path} = $path;
		1240	$map->{last_save} = $cf::RUNTIME;
		1241
		1242	if ($map->should_reset) {
		1243	$map->reset;
		1244	undef $guard;
		1245	$map = find $path
		1246	or return;
		1247	}
		1248
		1249	$cf::MAP{$key} = $map
		1250	}
		1251	}
		1252
		1253	sub load {
		1254	my ($self) = @_;
		1255
		1256	my $path = $self->{path};
		1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1258
		1259	return if $self->in_memory != cf::MAP_SWAPPED;
		1260
		1261	$self->in_memory (cf::MAP_LOADING);
		1262
		1263	$self->alloc;
		1264	$self->load_objects ($self->{load_path}, 1)
		1265	or return;
		1266
		1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1268	if delete $self->{load_original};
		1269
		1270	if (my $uniq = $path->uniq_path) {
		1271	utf8::encode $uniq;
		1272	if (aio_open $uniq, O_RDONLY, 0) {
		1273	$self->clear_unique_items;
		1274	$self->load_objects ($uniq, 0);
		1275	}
		1276	}
		1277
		1278	# now do the right thing for maps
		1279	$self->link_multipart_objects;
		1280
		1281	if ($self->{path}->is_style_map) {
		1282	$self->{deny_save} = 1;
		1283	$self->{deny_reset} = 1;
		1284	} else {
		1285	$self->fix_auto_apply;
		1286	$self->decay_objects;
		1287	$self->update_buttons;
		1288	$self->set_darkness_map;
		1289	$self->difficulty ($self->estimate_difficulty)
		1290	unless $self->difficulty;
		1291	$self->activate;
		1292	}
		1293
		1294	$self->in_memory (cf::MAP_IN_MEMORY);
		1295	}
		1296
		1297	sub find_sync {
		1298	my ($path, $origin) = @_;
		1299
		1300	cf::sync_job { cf::map::find $path, $origin }
		1301	}
		1302
		1303	sub do_load_sync {
		1304	my ($map) = @_;
		1305
		1306	cf::sync_job { $map->load };
		1307	}
		1308
		1309	sub save {
		1310	my ($self) = @_;
		1311
		1312	$self->{last_save} = $cf::RUNTIME;
		1313
		1314	return unless $self->dirty;
		1315
		1316	my $save = $self->{path}->save_path; utf8::encode $save;
		1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1318
		1319	$self->{load_path} = $save;
		1320
		1321	return if $self->{deny_save};
		1322
		1323	local $self->{last_access} = $self->last_access;#d#
		1324
		1325	if ($uniq) {
		1326	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1327	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1328	} else {
		1329	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1330	}
		1331	}
		1332
		1333	sub swap_out {
		1334	my ($self) = @_;
		1335
		1336	# save first because save cedes
		1337	$self->save;
		1338
		1339	return if $self->players;
		1340	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1341	return if $self->{deny_save};
		1342
		1343	$self->clear;
		1344	$self->in_memory (cf::MAP_SWAPPED);
		1345	}
		1346
		1347	sub reset_at {
		1348	my ($self) = @_;
		1349
		1350	# TODO: safety, remove and allow resettable per-player maps
		1351	return 1e99 if $self->{path}{user_rel};
		1352	return 1e99 if $self->{deny_reset};
		1353
		1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1356
		1357	$time + $to
		1358	}
		1359
		1360	sub should_reset {
		1361	my ($self) = @_;
		1362
		1363	$self->reset_at <= $cf::RUNTIME
		1364	}
		1365
		1366	sub unlink_save {
		1367	my ($self) = @_;
		1368
		1369	utf8::encode (my $save = $self->{path}->save_path);
		1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1372	}
		1373
		1374	sub rename {
		1375	my ($self, $new_path) = @_;
		1376
		1377	$self->unlink_save;
		1378
		1379	delete $cf::MAP{$self->path};
		1380	$self->{path} = new cf::path $new_path;
		1381	$self->path ($self->{path}->as_string);
		1382	$cf::MAP{$self->path} = $self;
		1383
		1384	$self->save;
		1385	}
		1386
		1387	sub reset {
		1388	my ($self) = @_;
		1389
		1390	return if $self->players;
		1391	return if $self->{path}{user_rel};#d#
		1392
		1393	warn "resetting map ", $self->path;#d#
		1394
		1395	delete $cf::MAP{$self->path};
		1396
		1397	$_->clear_links_to ($self) for values %cf::MAP;
		1398
		1399	$self->unlink_save;
		1400	$self->destroy;
		1401	}
		1402
		1403	my $nuke_counter = "aaaa";
		1404
		1405	sub nuke {
		1406	my ($self) = @_;
		1407
		1408	$self->{deny_save} = 1;
		1409	$self->reset_timeout (1);
		1410	$self->rename ("{nuke}/" . ($nuke_counter++));
		1411	$self->reset; # polite request, might not happen
		1412	}
		1413
		1414	sub customise_for {
		1415	my ($map, $ob) = @_;
		1416
		1417	if ($map->per_player) {
		1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1419	}
		1420
		1421	$map
		1422	}
		1423
		1424	sub emergency_save {
		1425	my $freeze_guard = cf::freeze_mainloop;
		1426
		1427	warn "enter emergency map save\n";
		1428
		1429	cf::sync_job {
		1430	warn "begin emergency map save\n";
		1431	$_->save for values %cf::MAP;
		1432	};
		1433
		1434	warn "end emergency map save\n";
		1435	}
		1436
		1437	package cf;
		1438
		1439	=back
		1440
		1441
		1442	=head3 cf::object::player
		1443
		1444	=over 4
		1445
789	=item $player_object->reply ($npc, $msg[, $flags])	1446	=item $player_object->reply ($npc, $msg[, $flags])
790		1447
791	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1448	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
792	can be C<undef>. Does the right thing when the player is currently in a	1449	can be C<undef>. Does the right thing when the player is currently in a
793	dialogue with the given NPC character.	1450	dialogue with the given NPC character.
794		1451
795	=cut	1452	=cut
796		1453
797	# rough implementation of a future "reply" method that works	1454	# rough implementation of a future "reply" method that works
798	# with dialog boxes.	1455	# with dialog boxes.
		1456	#TODO: the first argument must go, split into a $npc->reply_to ( method
799	sub cf::object::player::reply($$$;$) {	1457	sub cf::object::player::reply($$$;$) {
800	my ($self, $npc, $msg, $flags) = @_;	1458	my ($self, $npc, $msg, $flags) = @_;
801		1459
802	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1460	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
803		1461
…		…
807	$msg = $npc->name . " says: $msg" if $npc;	1465	$msg = $npc->name . " says: $msg" if $npc;
808	$self->message ($msg, $flags);	1466	$self->message ($msg, $flags);
809	}	1467	}
810	}	1468	}
811		1469
812	=item $player->ext_reply ($msgid, $msgtype, %msg)
813
814	Sends an ext reply to the player.
815
816	=cut
817
818	sub cf::player::ext_reply($$$%) {
819	my ($self, $id, %msg) = @_;
820
821	$msg{msgid} = $id;
822
823	$self->send ("ext " . to_json \%msg);
824	}
825
826	=item $player_object->may ("access")	1470	=item $player_object->may ("access")
827		1471
828	Returns wether the given player is authorized to access resource "access"	1472	Returns wether the given player is authorized to access resource "access"
829	(e.g. "command_wizcast").	1473	(e.g. "command_wizcast").
830		1474
…		…
837	(ref $cf::CFG{"may_$access"}	1481	(ref $cf::CFG{"may_$access"}
838	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1482	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
839	: $cf::CFG{"may_$access"})	1483	: $cf::CFG{"may_$access"})
840	}	1484	}
841		1485
842	=cut	1486	=item $player_object->enter_link
843		1487
844	#############################################################################	1488	Freezes the player and moves him/her to a special map (C<{link}>).
		1489
		1490	The player should be reaosnably safe there for short amounts of time. You
		1491	I<MUST> call C<leave_link> as soon as possible, though.
		1492
		1493	=item $player_object->leave_link ($map, $x, $y)
		1494
		1495	Moves the player out of the specila link map onto the given map. If the
		1496	map is not valid (or omitted), the player will be moved back to the
		1497	location he/she was before the call to C<enter_link>, or, if that fails,
		1498	to the emergency map position.
		1499
		1500	Might block.
		1501
		1502	=cut
		1503
		1504	sub cf::object::player::enter_link {
		1505	my ($self) = @_;
		1506
		1507	$self->deactivate_recursive;
		1508
		1509	return if $self->map == $LINK_MAP;
		1510
		1511	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1512	if $self->map;
		1513
		1514	$self->enter_map ($LINK_MAP, 20, 20);
		1515	}
		1516
		1517	sub cf::object::player::leave_link {
		1518	my ($self, $map, $x, $y) = @_;
		1519
		1520	my $link_pos = delete $self->{_link_pos};
		1521
		1522	unless ($map) {
		1523	# restore original map position
		1524	($map, $x, $y) = @{ $link_pos \|\| [] };
		1525	$map = cf::map::find $map;
		1526
		1527	unless ($map) {
		1528	($map, $x, $y) = @$EMERGENCY_POSITION;
		1529	$map = cf::map::find $map
		1530	or die "FATAL: cannot load emergency map\n";
		1531	}
		1532	}
		1533
		1534	($x, $y) = (-1, -1)
		1535	unless (defined $x) && (defined $y);
		1536
		1537	# use -1 or undef as default coordinates, not 0, 0
		1538	($x, $y) = ($map->enter_x, $map->enter_y)
		1539	if $x <=0 && $y <= 0;
		1540
		1541	$map->load;
		1542
		1543	$self->activate_recursive;
		1544	$self->enter_map ($map, $x, $y);
		1545	}
		1546
		1547	cf::player->attach (
		1548	on_logout => sub {
		1549	my ($pl) = @_;
		1550
		1551	# abort map switching before logout
		1552	if ($pl->ob->{_link_pos}) {
		1553	cf::sync_job {
		1554	$pl->ob->leave_link
		1555	};
		1556	}
		1557	},
		1558	on_login => sub {
		1559	my ($pl) = @_;
		1560
		1561	# try to abort aborted map switching on player login :)
		1562	# should happen only on crashes
		1563	if ($pl->ob->{_link_pos}) {
		1564	$pl->ob->enter_link;
		1565	cf::async {
		1566	# we need this sleep as the login has a concurrent enter_exit running
		1567	# and this sleep increases chances of the player not ending up in scorn
		1568	Coro::Timer::sleep 1;
		1569	$pl->ob->leave_link;
		1570	};
		1571	}
		1572	},
		1573	);
		1574
		1575	=item $player_object->goto_map ($path, $x, $y)
		1576
		1577	=cut
		1578
		1579	sub cf::object::player::goto_map {
		1580	my ($self, $path, $x, $y) = @_;
		1581
		1582	$self->enter_link;
		1583
		1584	(cf::async {
		1585	$path = new cf::path $path;
		1586
		1587	my $map = cf::map::find $path->as_string;
		1588	$map = $map->customise_for ($self) if $map;
		1589
		1590	# warn "entering ", $map->path, " at ($x, $y)\n"
		1591	# if $map;
		1592
		1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1594
		1595	$self->leave_link ($map, $x, $y);
		1596	})->prio (1);
		1597	}
		1598
		1599	=item $player_object->enter_exit ($exit_object)
		1600
		1601	=cut
		1602
		1603	sub parse_random_map_params {
		1604	my ($spec) = @_;
		1605
		1606	my $rmp = { # defaults
		1607	xsize => 10,
		1608	ysize => 10,
		1609	};
		1610
		1611	for (split /\n/, $spec) {
		1612	my ($k, $v) = split /\s+/, $_, 2;
		1613
		1614	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1615	}
		1616
		1617	$rmp
		1618	}
		1619
		1620	sub prepare_random_map {
		1621	my ($exit) = @_;
		1622
		1623	# all this does is basically replace the /! path by
		1624	# a new random map path (?random/...) with a seed
		1625	# that depends on the exit object
		1626
		1627	my $rmp = parse_random_map_params $exit->msg;
		1628
		1629	if ($exit->map) {
		1630	$rmp->{region} = $exit->map->region_name;
		1631	$rmp->{origin_map} = $exit->map->path;
		1632	$rmp->{origin_x} = $exit->x;
		1633	$rmp->{origin_y} = $exit->y;
		1634	}
		1635
		1636	$rmp->{random_seed} \|\|= $exit->random_seed;
		1637
		1638	my $data = cf::to_json $rmp;
		1639	my $md5 = Digest::MD5::md5_hex $data;
		1640
		1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1642	aio_write $fh, 0, (length $data), $data, 0;
		1643
		1644	$exit->slaying ("?random/$md5");
		1645	$exit->msg (undef);
		1646	}
		1647	}
		1648
		1649	sub cf::object::player::enter_exit {
		1650	my ($self, $exit) = @_;
		1651
		1652	return unless $self->type == cf::PLAYER;
		1653
		1654	$self->enter_link;
		1655
		1656	(cf::async {
		1657	$self->deactivate_recursive; # just to be sure
		1658	unless (eval {
		1659	prepare_random_map $exit
		1660	if $exit->slaying eq "/!";
		1661
		1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1664
		1665	1;
		1666	}) {
		1667	$self->message ("Something went wrong deep within the crossfire server. "
		1668	. "I'll try to bring you back to the map you were before. "
		1669	. "Please report this to the dungeon master",
		1670	cf::NDI_UNIQUE \| cf::NDI_RED);
		1671
		1672	warn "ERROR in enter_exit: $@";
		1673	$self->leave_link;
		1674	}
		1675	})->prio (1);
		1676	}
		1677
		1678	=head3 cf::client
		1679
		1680	=over 4
		1681
		1682	=item $client->send_drawinfo ($text, $flags)
		1683
		1684	Sends a drawinfo packet to the client. Circumvents output buffering so
		1685	should not be used under normal circumstances.
		1686
		1687	=cut
		1688
		1689	sub cf::client::send_drawinfo {
		1690	my ($self, $text, $flags) = @_;
		1691
		1692	utf8::encode $text;
		1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1694	}
		1695
		1696
		1697	=item $success = $client->query ($flags, "text", \&cb)
		1698
		1699	Queues a query to the client, calling the given callback with
		1700	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1701	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1702
		1703	Queries can fail, so check the return code. Or don't, as queries will become
		1704	reliable at some point in the future.
		1705
		1706	=cut
		1707
		1708	sub cf::client::query {
		1709	my ($self, $flags, $text, $cb) = @_;
		1710
		1711	return unless $self->state == ST_PLAYING
		1712	\|\| $self->state == ST_SETUP
		1713	\|\| $self->state == ST_CUSTOM;
		1714
		1715	$self->state (ST_CUSTOM);
		1716
		1717	utf8::encode $text;
		1718	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1719
		1720	$self->send_packet ($self->{query_queue}[0][0])
		1721	if @{ $self->{query_queue} } == 1;
		1722	}
		1723
		1724	cf::client->attach (
		1725	on_reply => sub {
		1726	my ($ns, $msg) = @_;
		1727
		1728	# this weird shuffling is so that direct followup queries
		1729	# get handled first
		1730	my $queue = delete $ns->{query_queue}
		1731	or return; # be conservative, not sure how that can happen, but we saw a crash here
		1732
		1733	(shift @$queue)->[1]->($msg);
		1734
		1735	push @{ $ns->{query_queue} }, @$queue;
		1736
		1737	if (@{ $ns->{query_queue} } == @$queue) {
		1738	if (@$queue) {
		1739	$ns->send_packet ($ns->{query_queue}[0][0]);
		1740	} else {
		1741	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1742	}
		1743	}
		1744	},
		1745	);
		1746
		1747	=item $client->coro (\&cb)
		1748
		1749	Create a new coroutine, running the specified callback. The coroutine will
		1750	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1751	or loss of connection).
		1752
		1753	=cut
		1754
		1755	sub cf::client::coro {
		1756	my ($self, $cb) = @_;
		1757
		1758	my $coro = &cf::async ($cb);
		1759
		1760	$coro->on_destroy (sub {
		1761	delete $self->{_coro}{$coro+0};
		1762	});
		1763
		1764	$self->{_coro}{$coro+0} = $coro;
		1765
		1766	$coro
		1767	}
		1768
		1769	cf::client->attach (
		1770	on_destroy => sub {
		1771	my ($ns) = @_;
		1772
		1773	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1774	},
		1775	);
		1776
		1777	=back
		1778
845		1779
846	=head2 SAFE SCRIPTING	1780	=head2 SAFE SCRIPTING
847		1781
848	Functions that provide a safe environment to compile and execute	1782	Functions that provide a safe environment to compile and execute
849	snippets of perl code without them endangering the safety of the server	1783	snippets of perl code without them endangering the safety of the server
…		…
864		1798
865	=pod	1799	=pod
866		1800
867	The following fucntions and emthods are available within a safe environment:	1801	The following fucntions and emthods are available within a safe environment:
868		1802
869	cf::object contr pay_amount pay_player	1803	cf::object contr pay_amount pay_player map
870	cf::object::player player	1804	cf::object::player player
871	cf::player peaceful	1805	cf::player peaceful
		1806	cf::map trigger
872		1807
873	=cut	1808	=cut
874		1809
875	for (	1810	for (
876	["cf::object" => qw(contr pay_amount pay_player)],	1811	["cf::object" => qw(contr pay_amount pay_player map)],
877	["cf::object::player" => qw(player)],	1812	["cf::object::player" => qw(player)],
878	["cf::player" => qw(peaceful)],	1813	["cf::player" => qw(peaceful)],
		1814	["cf::map" => qw(trigger)],
879	) {	1815	) {
880	no strict 'refs';	1816	no strict 'refs';
881	my ($pkg, @funs) = @$_;	1817	my ($pkg, @funs) = @$_;
882	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1818	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
883	for @funs;	1819	for @funs;
…		…
999		1935
1000	{	1936	{
1001	my $path = cf::localdir . "/database.pst";	1937	my $path = cf::localdir . "/database.pst";
1002		1938
1003	sub db_load() {	1939	sub db_load() {
1004	warn "loading database $path\n";#d# remove later
1005	$DB = stat $path ? Storable::retrieve $path : { };	1940	$DB = stat $path ? Storable::retrieve $path : { };
1006	}	1941	}
1007		1942
1008	my $pid;	1943	my $pid;
1009		1944
1010	sub db_save() {	1945	sub db_save() {
1011	warn "saving database $path\n";#d# remove later
1012	waitpid $pid, 0 if $pid;	1946	waitpid $pid, 0 if $pid;
1013	if (0 == ($pid = fork)) {	1947	if (0 == ($pid = fork)) {
1014	$DB->{_meta}{version} = 1;	1948	$DB->{_meta}{version} = 1;
1015	Storable::nstore $DB, "$path~";	1949	Storable::nstore $DB, "$path~";
1016	rename "$path~", $path;	1950	rename "$path~", $path;
…		…
1047	$DB->{$_[0]} = $_[1];	1981	$DB->{$_[0]} = $_[1];
1048	}	1982	}
1049	db_dirty;	1983	db_dirty;
1050	}	1984	}
1051		1985
1052	attach_global	1986	cf::global->attach (
1053	prio => 10000,	1987	prio => 10000,
1054	on_cleanup => sub {	1988	on_cleanup => sub {
1055	db_sync;	1989	db_sync;
1056	},	1990	},
1057	;	1991	);
1058	}	1992	}
1059		1993
1060	#############################################################################	1994	#############################################################################
1061	# the server's main()	1995	# the server's main()
1062		1996
…		…
1064	open my $fh, "<:utf8", cf::confdir . "/config"	1998	open my $fh, "<:utf8", cf::confdir . "/config"
1065	or return;	1999	or return;
1066		2000
1067	local $/;	2001	local $/;
1068	*CFG = YAML::Syck::Load <$fh>;	2002	*CFG = YAML::Syck::Load <$fh>;
		2003
		2004	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2005
		2006	if (exists $CFG{mlockall}) {
		2007	eval {
		2008	$CFG{mlockall} ? &mlockall : &munlockall
		2009	and die "WARNING: m(un)lockall failed: $!\n";
		2010	};
		2011	warn $@ if $@;
		2012	}
1069	}	2013	}
1070		2014
1071	sub main {	2015	sub main {
		2016	# we must not ever block the main coroutine
		2017	local $Coro::idle = sub {
		2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2019	(Coro::unblock_sub {
		2020	Event::one_event;
		2021	})->();
		2022	};
		2023
1072	cfg_load;	2024	cfg_load;
1073	db_load;	2025	db_load;
1074	load_extensions;	2026	load_extensions;
1075	Event::loop;	2027	Event::loop;
1076	}	2028	}
1077		2029
1078	#############################################################################	2030	#############################################################################
1079	# initialisation	2031	# initialisation
1080		2032
1081	sub _perl_reload(&) {	2033	sub reload() {
1082	my ($msg) = @_;	2034	# can/must only be called in main
		2035	if ($Coro::current != $Coro::main) {
		2036	warn "can only reload from main coroutine\n";
		2037	return;
		2038	}
1083		2039
1084	$msg->("reloading...");	2040	warn "reloading...";
		2041
		2042	my $guard = freeze_mainloop;
		2043	cf::emergency_save;
1085		2044
1086	eval {	2045	eval {
		2046	# if anything goes wrong in here, we should simply crash as we already saved
		2047
1087	# cancel all watchers	2048	# cancel all watchers
1088	for (Event::all_watchers) {	2049	for (Event::all_watchers) {
1089	$_->cancel if $_->data & WF_AUTOCANCEL;	2050	$_->cancel if $_->data & WF_AUTOCANCEL;
1090	}	2051	}
1091		2052
		2053	# cancel all extension coros
		2054	$_->cancel for values %EXT_CORO;
		2055	%EXT_CORO = ();
		2056
1092	# unload all extensions	2057	# unload all extensions
1093	for (@exts) {	2058	for (@exts) {
1094	$msg->("unloading <$_>");	2059	warn "unloading <$_>";
1095	unload_extension $_;	2060	unload_extension $_;
1096	}	2061	}
1097		2062
1098	# unload all modules loaded from $LIBDIR	2063	# unload all modules loaded from $LIBDIR
1099	while (my ($k, $v) = each %INC) {	2064	while (my ($k, $v) = each %INC) {
1100	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1101		2066
1102	$msg->("removing <$k>");	2067	warn "removing <$k>";
1103	delete $INC{$k};	2068	delete $INC{$k};
1104		2069
1105	$k =~ s/\.pm$//;	2070	$k =~ s/\.pm$//;
1106	$k =~ s/\//::/g;	2071	$k =~ s/\//::/g;
1107		2072
…		…
1112	Symbol::delete_package $k;	2077	Symbol::delete_package $k;
1113	}	2078	}
1114		2079
1115	# sync database to disk	2080	# sync database to disk
1116	cf::db_sync;	2081	cf::db_sync;
		2082	IO::AIO::flush;
1117		2083
1118	# get rid of safe::, as good as possible	2084	# get rid of safe::, as good as possible
1119	Symbol::delete_package "safe::$_"	2085	Symbol::delete_package "safe::$_"
1120	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1121		2087
1122	# remove register_script_function callbacks	2088	# remove register_script_function callbacks
1123	# TODO	2089	# TODO
1124		2090
1125	# unload cf.pm "a bit"	2091	# unload cf.pm "a bit"
…		…
1128	# don't, removes xs symbols, too,	2094	# don't, removes xs symbols, too,
1129	# and global variables created in xs	2095	# and global variables created in xs
1130	#Symbol::delete_package __PACKAGE__;	2096	#Symbol::delete_package __PACKAGE__;
1131		2097
1132	# reload cf.pm	2098	# reload cf.pm
1133	$msg->("reloading cf.pm");	2099	warn "reloading cf.pm";
1134	require cf;	2100	require cf;
		2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1135		2102
1136	# load config and database again	2103	# load config and database again
1137	cf::cfg_load;	2104	cf::cfg_load;
1138	cf::db_load;	2105	cf::db_load;
1139		2106
1140	# load extensions	2107	# load extensions
1141	$msg->("load extensions");	2108	warn "load extensions";
1142	cf::load_extensions;	2109	cf::load_extensions;
1143		2110
1144	# reattach attachments to objects	2111	# reattach attachments to objects
1145	$msg->("reattach");	2112	warn "reattach";
1146	_global_reattach;	2113	_global_reattach;
1147	};	2114	};
1148	$msg->($@) if $@;
1149		2115
1150	$msg->("reloaded");	2116	if ($@) {
		2117	warn $@;
		2118	warn "error while reloading, exiting.";
		2119	exit 1;
		2120	}
		2121
		2122	warn "reloaded successfully";
1151	};	2123	};
1152		2124
1153	sub perl_reload() {	2125	#############################################################################
1154	_perl_reload {	2126
1155	warn $_[0];	2127	unless ($LINK_MAP) {
1156	print "$_[0]\n";	2128	$LINK_MAP = cf::map::new;
1157	};	2129
		2130	$LINK_MAP->width (41);
		2131	$LINK_MAP->height (41);
		2132	$LINK_MAP->alloc;
		2133	$LINK_MAP->path ("{link}");
		2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2136
		2137	# dirty hack because... archetypes are not yet loaded
		2138	Event->timer (
		2139	after => 2,
		2140	cb => sub {
		2141	$_[0]->w->cancel;
		2142
		2143	# provide some exits "home"
		2144	my $exit = cf::object::new "exit";
		2145
		2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2149
		2150	$LINK_MAP->insert ($exit->clone, 19, 19);
		2151	$LINK_MAP->insert ($exit->clone, 19, 20);
		2152	$LINK_MAP->insert ($exit->clone, 19, 21);
		2153	$LINK_MAP->insert ($exit->clone, 20, 19);
		2154	$LINK_MAP->insert ($exit->clone, 20, 21);
		2155	$LINK_MAP->insert ($exit->clone, 21, 19);
		2156	$LINK_MAP->insert ($exit->clone, 21, 20);
		2157	$LINK_MAP->insert ($exit->clone, 21, 21);
		2158
		2159	$exit->destroy;
		2160	});
		2161
		2162	$LINK_MAP->{deny_save} = 1;
		2163	$LINK_MAP->{deny_reset} = 1;
		2164
		2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1158	}	2166	}
1159		2167
1160	register "<global>", __PACKAGE__;	2168	register "<global>", __PACKAGE__;
1161		2169
1162	register_command "perl-reload" => sub {	2170	register_command "reload" => sub {
1163	my ($who, $arg) = @_;	2171	my ($who, $arg) = @_;
1164		2172
1165	if ($who->flag (FLAG_WIZ)) {	2173	if ($who->flag (FLAG_WIZ)) {
1166	_perl_reload {	2174	$who->message ("start of reload.");
1167	warn $_[0];	2175	reload;
1168	$who->message ($_[0]);	2176	$who->message ("end of reload.");
1169	};
1170	}	2177	}
1171	};	2178	};
1172		2179
1173	unshift @INC, $LIBDIR;	2180	unshift @INC, $LIBDIR;
1174		2181
1175	$TICK_WATCHER = Event->timer (	2182	$TICK_WATCHER = Event->timer (
		2183	reentrant => 0,
1176	prio => 1,	2184	prio => 0,
1177	async => 1,
1178	at => $NEXT_TICK \|\| 1,	2185	at => $NEXT_TICK \|\| $TICK,
1179	data => WF_AUTOCANCEL,	2186	data => WF_AUTOCANCEL,
1180	cb => sub {	2187	cb => sub {
1181	cf::server_tick; # one server iteration	2188	cf::server_tick; # one server iteration
1182		2189	$RUNTIME += $TICK;
1183	my $NOW = Event::time;
1184	$NEXT_TICK += $TICK;	2190	$NEXT_TICK += $TICK;
1185		2191
1186	# if we are delayed by four ticks or more, skip them all	2192	# if we are delayed by four ticks or more, skip them all
1187	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1188		2194
1189	$TICK_WATCHER->at ($NEXT_TICK);	2195	$TICK_WATCHER->at ($NEXT_TICK);
1190	$TICK_WATCHER->start;	2196	$TICK_WATCHER->start;
1191	},	2197	},
1192	);	2198	);
1193		2199
1194	IO::AIO::max_poll_time $TICK * 0.2;	2200	IO::AIO::max_poll_time $TICK * 0.2;
1195		2201
		2202	Event->io (
1196	Event->io (fd => IO::AIO::poll_fileno,	2203	fd => IO::AIO::poll_fileno,
1197	poll => 'r',	2204	poll => 'r',
1198	prio => 5,	2205	prio => 5,
1199	data => WF_AUTOCANCEL,	2206	data => WF_AUTOCANCEL,
1200	cb => \&IO::AIO::poll_cb);	2207	cb => \&IO::AIO::poll_cb,
		2208	);
		2209
		2210	Event->timer (
		2211	data => WF_AUTOCANCEL,
		2212	after => 0,
		2213	interval => 10,
		2214	cb => sub {
		2215	(Coro::unblock_sub {
		2216	write_runtime
		2217	or warn "ERROR: unable to write runtime file: $!";
		2218	})->();
		2219	},
		2220	);
		2221
		2222	END { cf::emergency_save }
1201		2223
1202	1	2224	1
1203		2225

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.88 by root, Fri Dec 15 19:29:18 2006 UTC vs. Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.88 by root, Fri Dec 15 19:29:18 2006 UTC vs.
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC