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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.92 by root, Thu Dec 21 06:42:28 2006 UTC vs.
Revision 1.121 by root, Tue Jan 2 11:11:52 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
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 $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];
39		78
40	#############################################################################	79	#############################################################################
41		80
42	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
43		82
44	=over 4	83	=over 4
45		84
46	=item $cf::UPTIME	85	=item $cf::UPTIME
47		86
48	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.
49		93
50	=item $cf::LIBDIR	94	=item $cf::LIBDIR
51		95
52	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
53	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.
54		102
55	=item $cf::TICK	103	=item $cf::TICK
56		104
57	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
58		106
66	=cut	114	=cut
67		115
68	BEGIN {	116	BEGIN {
69	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
71	$msg .= "\n"	121	$msg .= "\n"
72	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
73		123
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
76	};	125	};
77	}	126	}
78		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';
79	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
80		134
81	# 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
82	# within the Safe compartment.	136	# within the Safe compartment.
83	for my $pkg (qw(	137	for my $pkg (qw(
		138	cf::global cf::attachable
84	cf::object cf::object::player	139	cf::object cf::object::player
85	cf::client cf::player	140	cf::client cf::player
86	cf::arch cf::living	141	cf::arch cf::living
87	cf::map cf::party cf::region	142	cf::map cf::party cf::region
88	)) {	143	)) {
…		…
126	sub to_json($) {	181	sub to_json($) {
127	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
128	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
129	}	184	}
130		185
		186	=item my $guard = cf::guard { BLOCK }
		187
		188	Run the given callback when the guard object gets destroyed (useful for
		189	coroutine cancellations).
		190
		191	You can call C<< ->cancel >> on the guard object to stop the block from
		192	being executed.
		193
		194	=cut
		195
		196	sub guard(&) {
		197	bless \(my $cb = $_[0]), cf::guard::;
		198	}
		199
		200	sub cf::guard::cancel {
		201	${$_[0]} = sub { };
		202	}
		203
		204	sub cf::guard::DESTROY {
		205	${$_[0]}->();
		206	}
		207
		208	=item cf::lock_wait $string
		209
		210	Wait until the given lock is available. See cf::lock_acquire.
		211
		212	=item my $lock = cf::lock_acquire $string
		213
		214	Wait until the given lock is available and then acquires it and returns
		215	a guard object. If the guard object gets destroyed (goes out of scope,
		216	for example when the coroutine gets canceled), the lock is automatically
		217	returned.
		218
		219	Lock names should begin with a unique identifier (for example, find_map
		220	uses map_find and load_map uses map_load).
		221
		222	=cut
		223
		224	our %LOCK;
		225
		226	sub lock_wait($) {
		227	my ($key) = @_;
		228
		229	# wait for lock, if any
		230	while ($LOCK{$key}) {
		231	push @{ $LOCK{$key} }, $Coro::current;
		232	Coro::schedule;
		233	}
		234	}
		235
		236	sub lock_acquire($) {
		237	my ($key) = @_;
		238
		239	# wait, to be sure we are not locked
		240	lock_wait $key;
		241
		242	$LOCK{$key} = [];
		243
		244	cf::guard {
		245	# wake up all waiters, to be on the safe side
		246	$_->ready for @{ delete $LOCK{$key} };
		247	}
		248	}
		249
		250	=item cf::sync_job { BLOCK }
		251
		252	The design of crossfire+ requires that the main coro ($Coro::main) is
		253	always able to handle events or runnable, as crossfire+ is only partly
		254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		255
		256	If it must be done, put the blocking parts into C<sync_job>. This will run
		257	the given BLOCK in another coroutine while waiting for the result. The
		258	server will be frozen during this time, so the block should either finish
		259	fast or be very important.
		260
		261	=cut
		262
		263	sub sync_job(&) {
		264	my ($job) = @_;
		265
		266	if ($Coro::current == $Coro::main) {
		267	# this is the main coro, too bad, we have to block
		268	# till the operation succeeds, freezing the server :/
		269
		270	# TODO: use suspend/resume instead
		271	# (but this is cancel-safe)
		272	local $FREEZE = 1;
		273
		274	my $busy = 1;
		275	my @res;
		276
		277	(Coro::async {
		278	@res = eval { $job->() };
		279	warn $@ if $@;
		280	undef $busy;
		281	})->prio (Coro::PRIO_MAX);
		282
		283	while ($busy) {
		284	Coro::cede_notself;
		285	Event::one_event unless Coro::nready;
		286	}
		287
		288	wantarray ? @res : $res[0]
		289	} else {
		290	# we are in another coroutine, how wonderful, everything just works
		291
		292	$job->()
		293	}
		294	}
		295
		296	=item $coro = cf::coro { BLOCK }
		297
		298	Creates and returns a new coro. This coro is automcatially being canceled
		299	when the extension calling this is being unloaded.
		300
		301	=cut
		302
		303	sub coro(&) {
		304	my $cb = shift;
		305
		306	my $coro; $coro = async {
		307	eval {
		308	$cb->();
		309	};
		310	warn $@ if $@;
		311	};
		312
		313	$coro->on_destroy (sub {
		314	delete $EXT_CORO{$coro+0};
		315	});
		316	$EXT_CORO{$coro+0} = $coro;
		317
		318	$coro
		319	}
		320
		321	sub write_runtime {
		322	my $runtime = cf::localdir . "/runtime";
		323
		324	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		325	or return;
		326
		327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		329	and return;
		330
		331	aio_fsync $fh
		332	and return;
		333
		334	close $fh
		335	or return;
		336
		337	aio_rename "$runtime~", $runtime
		338	and return;
		339
		340	1
		341	}
		342
131	=back	343	=back
132		344
133	=cut	345	=cut
134		346
135	#############################################################################	347	#############################################################################
136		348
137	=head2 EVENTS AND OBJECT ATTACHMENTS	349	package cf::path;
		350
		351	sub new {
		352	my ($class, $path, $base) = @_;
		353
		354	$path = $path->as_string if ref $path;
		355
		356	my $self = bless { }, $class;
		357
		358	# {... are special paths that are not touched
		359	# ?xxx/... are special absolute paths
		360	# ?random/... random maps
		361	# /! non-realised random map exit
		362	# /... normal maps
		363	# ~/... per-player maps without a specific player (DO NOT USE)
		364	# ~user/... per-player map of a specific user
		365
		366	if ($path =~ /^{/) {
		367	# fine as it is
		368	} elsif ($path =~ s{^\?random/}{}) {
		369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		370	$self->{random} = cf::from_json $data;
		371	} else {
		372	if ($path =~ s{^~([^/]+)?}{}) {
		373	$self->{user_rel} = 1;
		374
		375	if (defined $1) {
		376	$self->{user} = $1;
		377	} elsif ($base =~ m{^~([^/]+)/}) {
		378	$self->{user} = $1;
		379	} else {
		380	warn "cannot resolve user-relative path without user <$path,$base>\n";
		381	}
		382	} elsif ($path =~ /^\//) {
		383	# already absolute
		384	} else {
		385	$base =~ s{[^/]+/?$}{};
		386	return $class->new ("$base/$path");
		387	}
		388
		389	for ($path) {
		390	redo if s{/\.?/}{/};
		391	redo if s{/[^/]+/\.\./}{/};
		392	}
		393	}
		394
		395	$self->{path} = $path;
		396
		397	$self
		398	}
		399
		400	# the name / primary key / in-game path
		401	sub as_string {
		402	my ($self) = @_;
		403
		404	$self->{user_rel} ? "~$self->{user}$self->{path}"
		405	: $self->{random} ? "?random/$self->{path}"
		406	: $self->{path}
		407	}
		408
		409	# the displayed name, this is a one way mapping
		410	sub visible_name {
		411	my ($self) = @_;
		412
		413	# if (my $rmp = $self->{random}) {
		414	# # todo: be more intelligent about this
		415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		416	# } else {
		417	$self->as_string
		418	# }
		419	}
		420
		421	# escape the /'s in the path
		422	sub _escaped_path {
		423	# ∕ is U+2215
		424	(my $path = $_[0]{path}) =~ s/\//∕/g;
		425	$path
		426	}
		427
		428	# the original (read-only) location
		429	sub load_path {
		430	my ($self) = @_;
		431
		432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		433	}
		434
		435	# the temporary/swap location
		436	sub save_path {
		437	my ($self) = @_;
		438
		439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		442	}
		443
		444	# the unique path, might be eq to save_path
		445	sub uniq_path {
		446	my ($self) = @_;
		447
		448	$self->{user_rel} \|\| $self->{random}
		449	? undef
		450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		451	}
		452
		453	# return random map parameters, or undef
		454	sub random_map_params {
		455	my ($self) = @_;
		456
		457	$self->{random}
		458	}
		459
		460	# this is somewhat ugly, but style maps do need special treatment
		461	sub is_style_map {
		462	$_[0]{path} =~ m{^/styles/}
		463	}
		464
		465	package cf;
		466
		467	#############################################################################
		468
		469	=head2 ATTACHABLE OBJECTS
		470
		471	Many objects in crossfire are so-called attachable objects. That means you can
		472	attach callbacks/event handlers (a collection of which is called an "attachment")
		473	to it. All such attachable objects support the following methods.
		474
		475	In the following description, CLASS can be any of C<global>, C<object>
		476	C<player>, C<client> or C<map> (i.e. the attachable objects in
		477	crossfire+).
138		478
139	=over 4	479	=over 4
140		480
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...)
154
155	=item $map->detach ($attachment)
156
157	Attach/detach a pre-registered attachment to a client.
158
159	=item $client->attach ($attachment, key => $value...)	481	=item $attachable->attach ($attachment, key => $value...)
160		482
161	=item $client->detach ($attachment)	483	=item $attachable->detach ($attachment)
162		484
163	Attach/detach a pre-registered attachment to a map.	485	Attach/detach a pre-registered attachment to a specific object and give it
		486	the specified key/value pairs as arguments.
164		487
165	=item $bool = $object->attached ($name)	488	Example, attach a minesweeper attachment to the given object, making it a
		489	10x10 minesweeper game:
166		490
167	=item $bool = $player->attached ($name)	491	$obj->attach (minesweeper => width => 10, height => 10);
168		492
169	=item $bool = $client->attached ($name)	493	=item $bool = $attachable->attached ($name)
170
171	=item $bool = $map->attached ($name)
172		494
173	Checks wether the named attachment is currently attached to the object.	495	Checks wether the named attachment is currently attached to the object.
174		496
175	=item cf::attach_global ...	497	=item cf::CLASS->attach ...
176		498
177	Attach handlers for global events.	499	=item cf::CLASS->detach ...
178		500
179	This and all following C<attach_*>-functions expect any number of the	501	Define an anonymous attachment and attach it to all objects of the given
180	following handler/hook descriptions:	502	CLASS. See the next function for an explanation of its arguments.
		503
		504	You can attach to global events by using the C<cf::global> class.
		505
		506	Example, log all player logins:
		507
		508	cf::player->attach (
		509	on_login => sub {
		510	my ($pl) = @_;
		511	...
		512	},
		513	);
		514
		515	Example, attach to the jeweler skill:
		516
		517	cf::object->attach (
		518	type => cf::SKILL,
		519	subtype => cf::SK_JEWELER,
		520	on_use_skill => sub {
		521	my ($sk, $ob, $part, $dir, $msg) = @_;
		522	...
		523	},
		524	);
		525
		526	=item cf::CLASS::attachment $name, ...
		527
		528	Register an attachment by C<$name> through which attachable objects of the
		529	given CLASS can refer to this attachment.
		530
		531	Some classes such as crossfire maps and objects can specify attachments
		532	that are attached at load/instantiate time, thus the need for a name.
		533
		534	These calls expect any number of the following handler/hook descriptions:
181		535
182	=over 4	536	=over 4
183		537
184	=item prio => $number	538	=item prio => $number
185		539
…		…
187	by another C<prio> setting). Lower priority handlers get executed	541	by another C<prio> setting). Lower priority handlers get executed
188	earlier. The default priority is C<0>, and many built-in handlers are	542	earlier. The default priority is C<0>, and many built-in handlers are
189	registered at priority C<-1000>, so lower priorities should not be used	543	registered at priority C<-1000>, so lower priorities should not be used
190	unless you know what you are doing.	544	unless you know what you are doing.
191		545
		546	=item type => $type
		547
		548	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		549	given type of objects only (the additional parameter C<subtype> can be
		550	used to further limit to the given subtype).
		551
192	=item on_I<event> => \&cb	552	=item on_I<event> => \&cb
193		553
194	Call the given code reference whenever the named event happens (event is	554	Call the given code reference whenever the named event happens (event is
195	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	555	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
196	handlers are recognised generally depends on the type of object these	556	handlers are recognised generally depends on the type of object these
…		…
205	package and register them. Only handlers for eevents supported by the	565	package and register them. Only handlers for eevents supported by the
206	object/class are recognised.	566	object/class are recognised.
207		567
208	=back	568	=back
209		569
210	=item cf::attach_to_type $object_type, $subtype, ...	570	Example, define an attachment called "sockpuppet" that calls the given
		571	event handler when a monster attacks:
211		572
212	Attach handlers for a specific object type (e.g. TRANSPORT) and	573	cf::object::attachment sockpuppet =>
213	subtype. If C<$subtype> is zero or undef, matches all objects of the given	574	on_skill_attack => sub {
214	type.	575	my ($self, $victim) = @_;
215		576	...
216	=item cf::attach_to_objects ...
217
218	Attach handlers to all objects. Do not use this except for debugging or
219	very rare events, as handlers are (obviously) called for I<all> objects in
220	the game.
221
222	=item cf::attach_to_players ...
223
224	Attach handlers to all players.
225
226	=item cf::attach_to_clients ...
227
228	Attach handlers to all players.
229
230	=item cf::attach_to_maps ...
231
232	Attach handlers to all maps.
233
234	=item cf:register_attachment $name, ...
235
236	Register an attachment by name through which objects can refer to this
237	attachment.
238
239	=item cf:register_player_attachment $name, ...
240
241	Register an attachment by name through which players can refer to this
242	attachment.
243
244	=item cf:register_map_attachment $name, ...
245
246	Register an attachment by name through which maps can refer to this
247	attachment.
248
249	=cut
250
251	# the following variables are defined in .xs and must not be re-created
252	our @CB_GLOBAL = (); # registry for all global events
253	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
254	our @CB_PLAYER = ();
255	our @CB_CLIENT = ();
256	our @CB_TYPE = (); # registry for type (cf-object class) based events
257	our @CB_MAP = ();
258
259	my %attachment;
260
261	sub _attach_cb($\%$$$) {
262	my ($registry, $undo, $event, $prio, $cb) = @_;
263
264	use sort 'stable';
265
266	$cb = [$prio, $cb];
267
268	@{$registry->[$event]} = sort
269	{ $a->[0] cmp $b->[0] }
270	@{$registry->[$event] \|\| []}, $cb;
271
272	push @{$undo->{cb}}, [$event, $cb];
273	}
274
275	# attach handles attaching event callbacks
276	# the only thing the caller has to do is pass the correct
277	# registry (== where the callback attaches to).
278	sub _attach(\@$@) {
279	my ($registry, $klass, @arg) = @_;
280
281	my $prio = 0;
282
283	my %undo = (
284	registry => $registry,
285	cb => [],
286	);
287
288	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
289
290	while (@arg) {
291	my $type = shift @arg;
292
293	if ($type eq "prio") {
294	$prio = shift @arg;
295
296	} elsif ($type eq "package") {
297	my $pkg = shift @arg;
298
299	while (my ($name, $id) = each %cb_id) {
300	if (my $cb = $pkg->can ($name)) {
301	_attach_cb $registry, %undo, $id, $prio, $cb;
302	}
303	}	577	}
304
305	} elsif (exists $cb_id{$type}) {
306	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
307
308	} elsif (ref $type) {
309	warn "attaching objects not supported, ignoring.\n";
310
311	} else {
312	shift @arg;
313	warn "attach argument '$type' not supported, ignoring.\n";
314	}
315	}
316
317	\%undo
318	}
319
320	sub _attach_attachment {
321	my ($obj, $name, %arg) = @_;
322
323	return if exists $obj->{_attachment}{$name};
324
325	my $res;
326
327	if (my $attach = $attachment{$name}) {
328	my $registry = $obj->registry;
329
330	for (@$attach) {
331	my ($klass, @attach) = @$_;
332	$res = _attach @$registry, $klass, @attach;
333	}
334
335	$obj->{$name} = \%arg;
336	} else {
337	warn "object uses attachment '$name' that is not available, postponing.\n";
338	}
339
340	$obj->{_attachment}{$name} = undef;
341
342	$res->{attachment} = $name;
343	$res
344	}
345
346	*cf::object::attach =
347	*cf::player::attach =
348	*cf::client::attach =
349	*cf::map::attach = sub {
350	my ($obj, $name, %arg) = @_;
351
352	_attach_attachment $obj, $name, %arg;
353	};
354
355	# all those should be optimised
356	*cf::object::detach =
357	*cf::player::detach =
358	*cf::client::detach =
359	*cf::map::detach = sub {
360	my ($obj, $name) = @_;
361
362	delete $obj->{_attachment}{$name};
363	reattach ($obj);
364	};
365
366	*cf::object::attached =
367	*cf::player::attached =
368	*cf::client::attached =
369	*cf::map::attached = sub {
370	my ($obj, $name) = @_;
371
372	exists $obj->{_attachment}{$name}
373	};
374
375	sub attach_global {
376	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
377	}
378
379	sub attach_to_type {
380	my $type = shift;
381	my $subtype = shift;
382
383	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
384	}
385
386	sub attach_to_objects {
387	_attach @CB_OBJECT, KLASS_OBJECT, @_
388	}
389
390	sub attach_to_players {
391	_attach @CB_PLAYER, KLASS_PLAYER, @_
392	}
393
394	sub attach_to_clients {
395	_attach @CB_CLIENT, KLASS_CLIENT, @_
396	}
397
398	sub attach_to_maps {
399	_attach @CB_MAP, KLASS_MAP, @_
400	}
401
402	sub register_attachment {
403	my $name = shift;
404
405	$attachment{$name} = [[KLASS_OBJECT, @_]];
406	}
407
408	sub register_player_attachment {
409	my $name = shift;
410
411	$attachment{$name} = [[KLASS_PLAYER, @_]];
412	}
413
414	sub register_client_attachment {
415	my $name = shift;
416
417	$attachment{$name} = [[KLASS_CLIENT, @_]];
418	}
419
420	sub register_map_attachment {
421	my $name = shift;
422
423	$attachment{$name} = [[KLASS_MAP, @_]];
424	}
425
426	our $override;
427	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
428
429	sub override {
430	$override = 1;
431	@invoke_results = ();
432	}
433
434	sub do_invoke {
435	my $event = shift;
436	my $callbacks = shift;
437
438	@invoke_results = ();
439
440	local $override;
441
442	for (@$callbacks) {
443	eval { &{$_->[1]} };
444
445	if ($@) {
446	warn "$@";
447	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
448	override;
449	}
450
451	return 1 if $override;
452	}
453
454	0	578	}
455	}
456		579
457	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	580	=item $attachable->valid
458
459	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
460
461	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
462
463	=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)
464
465	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
466
467	Generate a global/object/player/map-specific event with the given arguments.
468
469	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
470	removed in future versions), and there is no public API to access override
471	results (if you must, access C<@cf::invoke_results> directly).
472
473	=back
474
475	=cut
476
477	#############################################################################
478
479	=head2 METHODS VALID FOR ALL CORE OBJECTS
480
481	=over 4
482
483	=item $object->valid, $player->valid, $client->valid, $map->valid
484		581
485	Just because you have a perl object does not mean that the corresponding	582	Just because you have a perl object does not mean that the corresponding
486	C-level object still exists. If you try to access an object that has no	583	C-level object still exists. If you try to access an object that has no
487	valid C counterpart anymore you get an exception at runtime. This method	584	valid C counterpart anymore you get an exception at runtime. This method
488	can be used to test for existence of the C object part without causing an	585	can be used to test for existence of the C object part without causing an
489	exception.	586	exception.
490		587
		588	=cut
		589
		590	# the following variables are defined in .xs and must not be re-created
		591	our @CB_GLOBAL = (); # registry for all global events
		592	our @CB_ATTACHABLE = (); # registry for all attachables
		593	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		594	our @CB_PLAYER = ();
		595	our @CB_CLIENT = ();
		596	our @CB_TYPE = (); # registry for type (cf-object class) based events
		597	our @CB_MAP = ();
		598
		599	my %attachment;
		600
		601	sub _attach_cb($$$$) {
		602	my ($registry, $event, $prio, $cb) = @_;
		603
		604	use sort 'stable';
		605
		606	$cb = [$prio, $cb];
		607
		608	@{$registry->[$event]} = sort
		609	{ $a->[0] cmp $b->[0] }
		610	@{$registry->[$event] \|\| []}, $cb;
		611	}
		612
		613	# hack
		614	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		615
		616	# attach handles attaching event callbacks
		617	# the only thing the caller has to do is pass the correct
		618	# registry (== where the callback attaches to).
		619	sub _attach {
		620	my ($registry, $klass, @arg) = @_;
		621
		622	my $object_type;
		623	my $prio = 0;
		624	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		625
		626	#TODO: get rid of this hack
		627	if ($attachable_klass{$klass}) {
		628	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		629	}
		630
		631	while (@arg) {
		632	my $type = shift @arg;
		633
		634	if ($type eq "prio") {
		635	$prio = shift @arg;
		636
		637	} elsif ($type eq "type") {
		638	$object_type = shift @arg;
		639	$registry = $CB_TYPE[$object_type] \|\|= [];
		640
		641	} elsif ($type eq "subtype") {
		642	defined $object_type or Carp::croak "subtype specified without type";
		643	my $object_subtype = shift @arg;
		644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];
		645
		646	} elsif ($type eq "package") {
		647	my $pkg = shift @arg;
		648
		649	while (my ($name, $id) = each %cb_id) {
		650	if (my $cb = $pkg->can ($name)) {
		651	_attach_cb $registry, $id, $prio, $cb;
		652	}
		653	}
		654
		655	} elsif (exists $cb_id{$type}) {
		656	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		657
		658	} elsif (ref $type) {
		659	warn "attaching objects not supported, ignoring.\n";
		660
		661	} else {
		662	shift @arg;
		663	warn "attach argument '$type' not supported, ignoring.\n";
		664	}
		665	}
		666	}
		667
		668	sub _object_attach {
		669	my ($obj, $name, %arg) = @_;
		670
		671	return if exists $obj->{_attachment}{$name};
		672
		673	if (my $attach = $attachment{$name}) {
		674	my $registry = $obj->registry;
		675
		676	for (@$attach) {
		677	my ($klass, @attach) = @$_;
		678	_attach $registry, $klass, @attach;
		679	}
		680
		681	$obj->{$name} = \%arg;
		682	} else {
		683	warn "object uses attachment '$name' that is not available, postponing.\n";
		684	}
		685
		686	$obj->{_attachment}{$name} = undef;
		687	}
		688
		689	sub cf::attachable::attach {
		690	if (ref $_[0]) {
		691	_object_attach @_;
		692	} else {
		693	_attach shift->_attach_registry, @_;
		694	}
		695	};
		696
		697	# all those should be optimised
		698	sub cf::attachable::detach {
		699	my ($obj, $name) = @_;
		700
		701	if (ref $obj) {
		702	delete $obj->{_attachment}{$name};
		703	reattach ($obj);
		704	} else {
		705	Carp::croak "cannot, currently, detach class attachments";
		706	}
		707	};
		708
		709	sub cf::attachable::attached {
		710	my ($obj, $name) = @_;
		711
		712	exists $obj->{_attachment}{$name}
		713	}
		714
		715	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		716	eval "#line " . __LINE__ . " 'cf.pm'
		717	sub cf::\L$klass\E::_attach_registry {
		718	(\\\@CB_$klass, KLASS_$klass)
		719	}
		720
		721	sub cf::\L$klass\E::attachment {
		722	my \$name = shift;
		723
		724	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		725	}
		726	";
		727	die if $@;
		728	}
		729
		730	our $override;
		731	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		732
		733	sub override {
		734	$override = 1;
		735	@invoke_results = ();
		736	}
		737
		738	sub do_invoke {
		739	my $event = shift;
		740	my $callbacks = shift;
		741
		742	@invoke_results = ();
		743
		744	local $override;
		745
		746	for (@$callbacks) {
		747	eval { &{$_->[1]} };
		748
		749	if ($@) {
		750	warn "$@";
		751	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		752	override;
		753	}
		754
		755	return 1 if $override;
		756	}
		757
		758	0
		759	}
		760
		761	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		762
		763	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		764
		765	Generate an object-specific event with the given arguments.
		766
		767	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		768	removed in future versions), and there is no public API to access override
		769	results (if you must, access C<@cf::invoke_results> directly).
		770
491	=back	771	=back
492		772
493	=cut	773	=cut
494
495	*cf::object::valid =
496	*cf::player::valid =
497	*cf::client::valid =
498	*cf::map::valid = \&cf::_valid;
499		774
500	#############################################################################	775	#############################################################################
501	# object support	776	# object support
502		777
503	sub instantiate {
504	my ($obj, $data) = @_;
505
506	$data = from_json $data;
507
508	for (@$data) {
509	my ($name, $args) = @$_;
510
511	$obj->attach ($name, %{$args \|\| {} });
512	}
513	}
514
515	# basically do the same as instantiate, without calling instantiate
516	sub reattach {	778	sub reattach {
		779	# basically do the same as instantiate, without calling instantiate
517	my ($obj) = @_;	780	my ($obj) = @_;
		781
518	my $registry = $obj->registry;	782	my $registry = $obj->registry;
519		783
520	@$registry = ();	784	@$registry = ();
521		785
522	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	786	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
523		787
524	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	788	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
525	if (my $attach = $attachment{$name}) {	789	if (my $attach = $attachment{$name}) {
526	for (@$attach) {	790	for (@$attach) {
527	my ($klass, @attach) = @$_;	791	my ($klass, @attach) = @$_;
528	_attach @$registry, $klass, @attach;	792	_attach $registry, $klass, @attach;
529	}	793	}
530	} else {	794	} else {
531	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' that is not available, postponing.\n";
532	}	796	}
533	}	797	}
534	}	798	}
535		799
536	sub object_freezer_save {	800	cf::attachable->attach (
537	my ($filename, $rdata, $objs) = @_;
538
539	if (length $$rdata) {
540	warn sprintf "saving %s (%d,%d)\n",
541	$filename, length $$rdata, scalar @$objs;
542
543	if (open my $fh, ">:raw", "$filename~") {
544	chmod SAVE_MODE, $fh;
545	syswrite $fh, $$rdata;
546	close $fh;
547
548	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
549	chmod SAVE_MODE, $fh;
550	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
551	close $fh;
552	rename "$filename.pst~", "$filename.pst";
553	} else {
554	unlink "$filename.pst";
555	}
556
557	rename "$filename~", $filename;
558	} else {
559	warn "FATAL: $filename~: $!\n";
560	}
561	} else {
562	unlink $filename;
563	unlink "$filename.pst";
564	}
565	}
566
567	sub object_freezer_as_string {
568	my ($rdata, $objs) = @_;
569
570	use Data::Dumper;
571
572	$$rdata . Dumper $objs
573	}
574
575	sub object_thawer_load {
576	my ($filename) = @_;
577
578	local $/;
579
580	my $av;
581
582	#TODO: use sysread etc.
583	if (open my $data, "<:raw:perlio", $filename) {
584	$data = <$data>;
585	if (open my $pst, "<:raw:perlio", "$filename.pst") {
586	$av = eval { (Storable::thaw <$pst>)->{objs} };
587	}
588	return ($data, $av);
589	}
590
591	()
592	}
593
594	attach_to_objects
595	prio => -1000000,	801	prio => -1000000,
		802	on_instantiate => sub {
		803	my ($obj, $data) = @_;
		804
		805	$data = from_json $data;
		806
		807	for (@$data) {
		808	my ($name, $args) = @$_;
		809
		810	$obj->attach ($name, %{$args \|\| {} });
		811	}
		812	},
		813	on_reattach => \&reattach,
596	on_clone => sub {	814	on_clone => sub {
597	my ($src, $dst) = @_;	815	my ($src, $dst) = @_;
598		816
599	@{$dst->registry} = @{$src->registry};	817	@{$dst->registry} = @{$src->registry};
600		818
601	%$dst = %$src;	819	%$dst = %$src;
602		820
603	%{$dst->{_attachment}} = %{$src->{_attachment}}	821	%{$dst->{_attachment}} = %{$src->{_attachment}}
604	if exists $src->{_attachment};	822	if exists $src->{_attachment};
605	},	823	},
606	;	824	);
		825
		826	sub object_freezer_save {
		827	my ($filename, $rdata, $objs) = @_;
		828
		829	sync_job {
		830	if (length $$rdata) {
		831	warn sprintf "saving %s (%d,%d)\n",
		832	$filename, length $$rdata, scalar @$objs;
		833
		834	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		835	chmod SAVE_MODE, $fh;
		836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		837	aio_fsync $fh;
		838	close $fh;
		839
		840	if (@$objs) {
		841	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		842	chmod SAVE_MODE, $fh;
		843	my $data = Storable::nfreeze { version => 1, objs => $objs };
		844	aio_write $fh, 0, (length $data), $data, 0;
		845	aio_fsync $fh;
		846	close $fh;
		847	aio_rename "$filename.pst~", "$filename.pst";
		848	}
		849	} else {
		850	aio_unlink "$filename.pst";
		851	}
		852
		853	aio_rename "$filename~", $filename;
		854	} else {
		855	warn "FATAL: $filename~: $!\n";
		856	}
		857	} else {
		858	aio_unlink $filename;
		859	aio_unlink "$filename.pst";
		860	}
		861	}
		862	}
		863
		864	sub object_freezer_as_string {
		865	my ($rdata, $objs) = @_;
		866
		867	use Data::Dumper;
		868
		869	$$rdata . Dumper $objs
		870	}
		871
		872	sub object_thawer_load {
		873	my ($filename) = @_;
		874
		875	my ($data, $av);
		876
		877	(aio_load $filename, $data) >= 0
		878	or return;
		879
		880	unless (aio_stat "$filename.pst") {
		881	(aio_load "$filename.pst", $av) >= 0
		882	or return;
		883	$av = eval { (Storable::thaw $av)->{objs} };
		884	}
		885
		886	warn sprintf "loading %s (%d)\n",
		887	$filename, length $data, scalar @{$av \|\| []};#d#
		888	return ($data, $av);
		889	}
607		890
608	#############################################################################	891	#############################################################################
609	# command handling &c	892	# command handling &c
610		893
611	=item cf::register_command $name => \&callback($ob,$args);	894	=item cf::register_command $name => \&callback($ob,$args);
…		…
640	#warn "registering extcmd '$name' to '$caller'";	923	#warn "registering extcmd '$name' to '$caller'";
641		924
642	$EXTCMD{$name} = [$cb, $caller];	925	$EXTCMD{$name} = [$cb, $caller];
643	}	926	}
644		927
645	attach_to_players	928	cf::player->attach (
646	on_command => sub {	929	on_command => sub {
647	my ($pl, $name, $params) = @_;	930	my ($pl, $name, $params) = @_;
648		931
649	my $cb = $COMMAND{$name}	932	my $cb = $COMMAND{$name}
650	or return;	933	or return;
…		…
670	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
671	}	954	}
672		955
673	cf::override;	956	cf::override;
674	},	957	},
675	;	958	);
676		959
677	sub register {	960	sub register {
678	my ($base, $pkg) = @_;	961	my ($base, $pkg) = @_;
679		962
680	#TODO	963	#TODO
…		…
770	defined $path or return;	1053	defined $path or return;
771		1054
772	unlink "$path.pst";	1055	unlink "$path.pst";
773	};	1056	};
774		1057
775	attach_to_maps prio => -10000, package => cf::mapsupport::;	1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
776		1059
777	#############################################################################	1060	#############################################################################
778	# load/save perl data associated with player->ob objects	1061	# load/save perl data associated with player->ob objects
779		1062
780	sub all_objects(@) {	1063	sub all_objects(@) {
781	@_, map all_objects ($_->inv), @_	1064	@_, map all_objects ($_->inv), @_
782	}	1065	}
783		1066
784	# TODO: compatibility cruft, remove when no longer needed	1067	# TODO: compatibility cruft, remove when no longer needed
785	attach_to_players	1068	cf::player->attach (
786	on_load => sub {	1069	on_load => sub {
787	my ($pl, $path) = @_;	1070	my ($pl, $path) = @_;
788		1071
789	for my $o (all_objects $pl->ob) {	1072	for my $o (all_objects $pl->ob) {
790	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
792		1075
793	%$o = %{ Storable::thaw pack "H*", $value };	1076	%$o = %{ Storable::thaw pack "H*", $value };
794	}	1077	}
795	}	1078	}
796	},	1079	},
797	;	1080	);
798		1081
799	#############################################################################	1082	#############################################################################
800		1083
801	=head2 CORE EXTENSIONS	1084	=head2 CORE EXTENSIONS
802		1085
803	Functions and methods that extend core crossfire objects.	1086	Functions and methods that extend core crossfire objects.
		1087
		1088	=head3 cf::player
804		1089
805	=over 4	1090	=over 4
806		1091
807	=item cf::player::exists $login	1092	=item cf::player::exists $login
808		1093
…		…
813	sub cf::player::exists($) {	1098	sub cf::player::exists($) {
814	cf::player::find $_[0]	1099	cf::player::find $_[0]
815	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
816	}	1101	}
817		1102
		1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1104
		1105	Sends an ext reply to the player.
		1106
		1107	=cut
		1108
		1109	sub cf::player::ext_reply($$$%) {
		1110	my ($self, $id, %msg) = @_;
		1111
		1112	$msg{msgid} = $id;
		1113
		1114	$self->send ("ext " . to_json \%msg);
		1115	}
		1116
		1117	=back
		1118
		1119
		1120	=head3 cf::map
		1121
		1122	=over 4
		1123
		1124	=cut
		1125
		1126	package cf::map;
		1127
		1128	use Fcntl;
		1129	use Coro::AIO;
		1130
		1131	our $MAX_RESET = 7200;
		1132	our $DEFAULT_RESET = 3600;
		1133
		1134	sub generate_random_map {
		1135	my ($path, $rmp) = @_;
		1136
		1137	# mit "rum" bekleckern, nicht
		1138	cf::map::_create_random_map
		1139	$path,
		1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1143	$rmp->{exit_on_final_map},
		1144	$rmp->{xsize}, $rmp->{ysize},
		1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1150	(cf::region::find $rmp->{region})
		1151	}
		1152
		1153	# and all this just because we cannot iterate over
		1154	# all maps in C++...
		1155	sub change_all_map_light {
		1156	my ($change) = @_;
		1157
		1158	$_->change_map_light ($change) for values %cf::MAP;
		1159	}
		1160
		1161	sub try_load_header($) {
		1162	my ($path) = @_;
		1163
		1164	utf8::encode $path;
		1165	aio_open $path, O_RDONLY, 0
		1166	or return;
		1167
		1168	my $map = cf::map::new
		1169	or return;
		1170
		1171	$map->load_header ($path)
		1172	or return;
		1173
		1174	$map->{load_path} = $path;
		1175
		1176	$map
		1177	}
		1178
		1179	sub find_map {
		1180	my ($path, $origin) = @_;
		1181
		1182	#warn "find_map<$path,$origin>\n";#d#
		1183
		1184	$path = new cf::path $path, $origin && $origin->path;
		1185	my $key = $path->as_string;
		1186
		1187	cf::lock_wait "map_find:$key";
		1188
		1189	$cf::MAP{$key} \|\| do {
		1190	my $guard = cf::lock_acquire "map_find:$key";
		1191
		1192	# do it the slow way
		1193	my $map = try_load_header $path->save_path;
		1194
		1195	if ($map) {
		1196	# safety
		1197	$map->{instantiate_time} = $cf::RUNTIME
		1198	if $map->{instantiate_time} > $cf::RUNTIME;
		1199	} else {
		1200	if (my $rmp = $path->random_map_params) {
		1201	$map = generate_random_map $key, $rmp;
		1202	} else {
		1203	$map = try_load_header $path->load_path;
		1204	}
		1205
		1206	$map or return;
		1207
		1208	$map->{load_original} = 1;
		1209	$map->{instantiate_time} = $cf::RUNTIME;
		1210	$map->instantiate;
		1211
		1212	# per-player maps become, after loading, normal maps
		1213	$map->per_player (0) if $path->{user_rel};
		1214	}
		1215
		1216	$map->path ($key);
		1217	$map->{path} = $path;
		1218	$map->{last_save} = $cf::RUNTIME;
		1219	$map->last_access ($cf::RUNTIME);
		1220
		1221	if ($map->should_reset) {
		1222	$map->reset;
		1223	$map = find_map $path;
		1224	}
		1225
		1226	$cf::MAP{$key} = $map
		1227	}
		1228	}
		1229
		1230	sub load {
		1231	my ($self) = @_;
		1232
		1233	my $path = $self->{path};
		1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1235
		1236	return if $self->in_memory != cf::MAP_SWAPPED;
		1237
		1238	$self->in_memory (cf::MAP_LOADING);
		1239
		1240	$self->alloc;
		1241	$self->load_objects ($self->{load_path}, 1)
		1242	or return;
		1243
		1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1245	if delete $self->{load_original};
		1246
		1247	if (my $uniq = $path->uniq_path) {
		1248	utf8::encode $uniq;
		1249	if (aio_open $uniq, O_RDONLY, 0) {
		1250	$self->clear_unique_items;
		1251	$self->load_objects ($uniq, 0);
		1252	}
		1253	}
		1254
		1255	# now do the right thing for maps
		1256	$self->link_multipart_objects;
		1257
		1258	if ($self->{path}->is_style_map) {
		1259	$self->{deny_save} = 1;
		1260	$self->{deny_reset} = 1;
		1261	} else {
		1262	$self->fix_auto_apply;
		1263	$self->decay_objects;
		1264	$self->update_buttons;
		1265	$self->set_darkness_map;
		1266	$self->difficulty ($self->estimate_difficulty)
		1267	unless $self->difficulty;
		1268	$self->activate;
		1269	}
		1270
		1271	$self->in_memory (cf::MAP_IN_MEMORY);
		1272	}
		1273
		1274	sub load_map_sync {
		1275	my ($path, $origin) = @_;
		1276
		1277	#warn "load_map_sync<$path, $origin>\n";#d#
		1278
		1279	cf::sync_job {
		1280	my $map = cf::map::find_map $path, $origin
		1281	or return;
		1282	$map->load;
		1283	$map
		1284	}
		1285	}
		1286
		1287	sub save {
		1288	my ($self) = @_;
		1289
		1290	$self->{last_save} = $cf::RUNTIME;
		1291
		1292	return unless $self->dirty;
		1293
		1294	my $save = $self->{path}->save_path; utf8::encode $save;
		1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1296
		1297	$self->{load_path} = $save;
		1298
		1299	return if $self->{deny_save};
		1300
		1301	if ($uniq) {
		1302	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1303	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1304	} else {
		1305	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1306	}
		1307	}
		1308
		1309	sub swap_out {
		1310	my ($self) = @_;
		1311
		1312	return if $self->players;
		1313	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1314	return if $self->{deny_save};
		1315
		1316	$self->save;
		1317	$self->clear;
		1318	$self->in_memory (cf::MAP_SWAPPED);
		1319	}
		1320
		1321	sub reset_at {
		1322	my ($self) = @_;
		1323
		1324	# TODO: safety, remove and allow resettable per-player maps
		1325	return 1e99 if $self->{path}{user_rel};
		1326	return 1e99 if $self->{deny_reset};
		1327
		1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1330
		1331	$time + $to
		1332	}
		1333
		1334	sub should_reset {
		1335	my ($self) = @_;
		1336
		1337	$self->reset_at <= $cf::RUNTIME
		1338	}
		1339
		1340	sub unlink_save {
		1341	my ($self) = @_;
		1342
		1343	utf8::encode (my $save = $self->{path}->save_path);
		1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1346	}
		1347
		1348	sub rename {
		1349	my ($self, $new_path) = @_;
		1350
		1351	$self->unlink_save;
		1352
		1353	delete $cf::MAP{$self->path};
		1354	$self->{path} = new cf::path $new_path;
		1355	$self->path ($self->{path}->as_string);
		1356	$cf::MAP{$self->path} = $self;
		1357
		1358	$self->save;
		1359	}
		1360
		1361	sub reset {
		1362	my ($self) = @_;
		1363
		1364	return if $self->players;
		1365	return if $self->{path}{user_rel};#d#
		1366
		1367	warn "resetting map ", $self->path;#d#
		1368
		1369	delete $cf::MAP{$self->path};
		1370
		1371	$_->clear_links_to ($self) for values %cf::MAP;
		1372
		1373	$self->unlink_save;
		1374	$self->destroy;
		1375	}
		1376
		1377	my $nuke_counter = "aaaa";
		1378
		1379	sub nuke {
		1380	my ($self) = @_;
		1381
		1382	$self->{deny_save} = 1;
		1383	$self->reset_timeout (1);
		1384	$self->rename ("{nuke}/" . ($nuke_counter++));
		1385	$self->reset; # polite request, might not happen
		1386	}
		1387
		1388	sub customise_for {
		1389	my ($map, $ob) = @_;
		1390
		1391	if ($map->per_player) {
		1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1393	}
		1394
		1395	$map
		1396	}
		1397
		1398	sub emergency_save {
		1399	local $cf::FREEZE = 1;
		1400
		1401	warn "enter emergency map save\n";
		1402
		1403	cf::sync_job {
		1404	warn "begin emergency map save\n";
		1405	$_->save for values %cf::MAP;
		1406	};
		1407
		1408	warn "end emergency map save\n";
		1409	}
		1410
		1411	package cf;
		1412
		1413	=back
		1414
		1415
		1416	=head3 cf::object::player
		1417
		1418	=over 4
		1419
818	=item $player_object->reply ($npc, $msg[, $flags])	1420	=item $player_object->reply ($npc, $msg[, $flags])
819		1421
820	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1422	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
821	can be C<undef>. Does the right thing when the player is currently in a	1423	can be C<undef>. Does the right thing when the player is currently in a
822	dialogue with the given NPC character.	1424	dialogue with the given NPC character.
823		1425
824	=cut	1426	=cut
825		1427
826	# rough implementation of a future "reply" method that works	1428	# rough implementation of a future "reply" method that works
827	# with dialog boxes.	1429	# with dialog boxes.
		1430	#TODO: the first argument must go, split into a $npc->reply_to ( method
828	sub cf::object::player::reply($$$;$) {	1431	sub cf::object::player::reply($$$;$) {
829	my ($self, $npc, $msg, $flags) = @_;	1432	my ($self, $npc, $msg, $flags) = @_;
830		1433
831	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1434	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
832		1435
…		…
836	$msg = $npc->name . " says: $msg" if $npc;	1439	$msg = $npc->name . " says: $msg" if $npc;
837	$self->message ($msg, $flags);	1440	$self->message ($msg, $flags);
838	}	1441	}
839	}	1442	}
840		1443
841	=item $player->ext_reply ($msgid, $msgtype, %msg)
842
843	Sends an ext reply to the player.
844
845	=cut
846
847	sub cf::player::ext_reply($$$%) {
848	my ($self, $id, %msg) = @_;
849
850	$msg{msgid} = $id;
851
852	$self->send ("ext " . to_json \%msg);
853	}
854
855	=item $player_object->may ("access")	1444	=item $player_object->may ("access")
856		1445
857	Returns wether the given player is authorized to access resource "access"	1446	Returns wether the given player is authorized to access resource "access"
858	(e.g. "command_wizcast").	1447	(e.g. "command_wizcast").
859		1448
…		…
866	(ref $cf::CFG{"may_$access"}	1455	(ref $cf::CFG{"may_$access"}
867	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1456	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
868	: $cf::CFG{"may_$access"})	1457	: $cf::CFG{"may_$access"})
869	}	1458	}
870		1459
871	=cut	1460	=item $player_object->enter_link
872		1461
873	#############################################################################	1462	Freezes the player and moves him/her to a special map (C<{link}>).
		1463
		1464	The player should be reaosnably safe there for short amounts of time. You
		1465	I<MUST> call C<leave_link> as soon as possible, though.
		1466
		1467	=item $player_object->leave_link ($map, $x, $y)
		1468
		1469	Moves the player out of the specila link map onto the given map. If the
		1470	map is not valid (or omitted), the player will be moved back to the
		1471	location he/she was before the call to C<enter_link>, or, if that fails,
		1472	to the emergency map position.
		1473
		1474	Might block.
		1475
		1476	=cut
		1477
		1478	sub cf::object::player::enter_link {
		1479	my ($self) = @_;
		1480
		1481	$self->deactivate_recursive;
		1482
		1483	return if $self->map == $LINK_MAP;
		1484
		1485	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1486	if $self->map;
		1487
		1488	$self->enter_map ($LINK_MAP, 20, 20);
		1489	}
		1490
		1491	sub cf::object::player::leave_link {
		1492	my ($self, $map, $x, $y) = @_;
		1493
		1494	my $link_pos = delete $self->{_link_pos};
		1495
		1496	unless ($map) {
		1497	# restore original map position
		1498	($map, $x, $y) = @{ $link_pos \|\| [] };
		1499	$map = cf::map::find_map $map;
		1500
		1501	unless ($map) {
		1502	($map, $x, $y) = @$EMERGENCY_POSITION;
		1503	$map = cf::map::find_map $map
		1504	or die "FATAL: cannot load emergency map\n";
		1505	}
		1506	}
		1507
		1508	($x, $y) = (-1, -1)
		1509	unless (defined $x) && (defined $y);
		1510
		1511	# use -1 or undef as default coordinates, not 0, 0
		1512	($x, $y) = ($map->enter_x, $map->enter_y)
		1513	if $x <=0 && $y <= 0;
		1514
		1515	$map->load;
		1516
		1517	$self->activate_recursive;
		1518	$self->enter_map ($map, $x, $y);
		1519	}
		1520
		1521	cf::player->attach (
		1522	on_logout => sub {
		1523	my ($pl) = @_;
		1524
		1525	# abort map switching before logout
		1526	if ($pl->ob->{_link_pos}) {
		1527	cf::sync_job {
		1528	$pl->ob->leave_link
		1529	};
		1530	}
		1531	},
		1532	on_login => sub {
		1533	my ($pl) = @_;
		1534
		1535	# try to abort aborted map switching on player login :)
		1536	# should happen only on crashes
		1537	if ($pl->ob->{_link_pos}) {
		1538	$pl->ob->enter_link;
		1539	Coro::async {
		1540	# we need this sleep as the login has a concurrent enter_exit running
		1541	# and this sleep increases chances of the player not ending up in scorn
		1542	Coro::Timer::sleep 1;
		1543	$pl->ob->leave_link;
		1544	};
		1545	}
		1546	},
		1547	);
		1548
		1549	=item $player_object->goto_map ($path, $x, $y)
		1550
		1551	=cut
		1552
		1553	sub cf::object::player::goto_map {
		1554	my ($self, $path, $x, $y) = @_;
		1555
		1556	$self->enter_link;
		1557
		1558	(Coro::async {
		1559	$path = new cf::path $path;
		1560
		1561	my $map = cf::map::find_map $path->as_string;
		1562	$map = $map->customise_for ($self) if $map;
		1563
		1564	# warn "entering ", $map->path, " at ($x, $y)\n"
		1565	# if $map;
		1566
		1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1568
		1569	$self->leave_link ($map, $x, $y);
		1570	})->prio (1);
		1571	}
		1572
		1573	=item $player_object->enter_exit ($exit_object)
		1574
		1575	=cut
		1576
		1577	sub parse_random_map_params {
		1578	my ($spec) = @_;
		1579
		1580	my $rmp = { # defaults
		1581	xsize => 10,
		1582	ysize => 10,
		1583	};
		1584
		1585	for (split /\n/, $spec) {
		1586	my ($k, $v) = split /\s+/, $_, 2;
		1587
		1588	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1589	}
		1590
		1591	$rmp
		1592	}
		1593
		1594	sub prepare_random_map {
		1595	my ($exit) = @_;
		1596
		1597	# all this does is basically replace the /! path by
		1598	# a new random map path (?random/...) with a seed
		1599	# that depends on the exit object
		1600
		1601	my $rmp = parse_random_map_params $exit->msg;
		1602
		1603	if ($exit->map) {
		1604	$rmp->{region} = $exit->map->region_name;
		1605	$rmp->{origin_map} = $exit->map->path;
		1606	$rmp->{origin_x} = $exit->x;
		1607	$rmp->{origin_y} = $exit->y;
		1608	}
		1609
		1610	$rmp->{random_seed} \|\|= $exit->random_seed;
		1611
		1612	my $data = cf::to_json $rmp;
		1613	my $md5 = Digest::MD5::md5_hex $data;
		1614
		1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1616	aio_write $fh, 0, (length $data), $data, 0;
		1617
		1618	$exit->slaying ("?random/$md5");
		1619	$exit->msg (undef);
		1620	}
		1621	}
		1622
		1623	sub cf::object::player::enter_exit {
		1624	my ($self, $exit) = @_;
		1625
		1626	return unless $self->type == cf::PLAYER;
		1627
		1628	$self->enter_link;
		1629
		1630	(Coro::async {
		1631	unless (eval {
		1632
		1633	prepare_random_map $exit
		1634	if $exit->slaying eq "/!";
		1635
		1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1638
		1639	1;
		1640	}) {
		1641	$self->message ("Something went wrong deep within the crossfire server. "
		1642	. "I'll try to bring you back to the map you were before. "
		1643	. "Please report this to the dungeon master",
		1644	cf::NDI_UNIQUE \| cf::NDI_RED);
		1645
		1646	warn "ERROR in enter_exit: $@";
		1647	$self->leave_link;
		1648	}
		1649	})->prio (1);
		1650	}
		1651
		1652	=head3 cf::client
		1653
		1654	=over 4
		1655
		1656	=item $client->send_drawinfo ($text, $flags)
		1657
		1658	Sends a drawinfo packet to the client. Circumvents output buffering so
		1659	should not be used under normal circumstances.
		1660
		1661	=cut
		1662
		1663	sub cf::client::send_drawinfo {
		1664	my ($self, $text, $flags) = @_;
		1665
		1666	utf8::encode $text;
		1667	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1668	}
		1669
		1670
		1671	=item $success = $client->query ($flags, "text", \&cb)
		1672
		1673	Queues a query to the client, calling the given callback with
		1674	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1675	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1676
		1677	Queries can fail, so check the return code. Or don't, as queries will become
		1678	reliable at some point in the future.
		1679
		1680	=cut
		1681
		1682	sub cf::client::query {
		1683	my ($self, $flags, $text, $cb) = @_;
		1684
		1685	return unless $self->state == ST_PLAYING
		1686	\|\| $self->state == ST_SETUP
		1687	\|\| $self->state == ST_CUSTOM;
		1688
		1689	$self->state (ST_CUSTOM);
		1690
		1691	utf8::encode $text;
		1692	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1693
		1694	$self->send_packet ($self->{query_queue}[0][0])
		1695	if @{ $self->{query_queue} } == 1;
		1696	}
		1697
		1698	cf::client->attach (
		1699	on_reply => sub {
		1700	my ($ns, $msg) = @_;
		1701
		1702	# this weird shuffling is so that direct followup queries
		1703	# get handled first
		1704	my $queue = delete $ns->{query_queue};
		1705
		1706	(shift @$queue)->[1]->($msg);
		1707
		1708	push @{ $ns->{query_queue} }, @$queue;
		1709
		1710	if (@{ $ns->{query_queue} } == @$queue) {
		1711	if (@$queue) {
		1712	$ns->send_packet ($ns->{query_queue}[0][0]);
		1713	} else {
		1714	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1715	}
		1716	}
		1717	},
		1718	);
		1719
		1720	=item $client->coro (\&cb)
		1721
		1722	Create a new coroutine, running the specified callback. The coroutine will
		1723	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1724	or loss of connection).
		1725
		1726	=cut
		1727
		1728	sub cf::client::coro {
		1729	my ($self, $cb) = @_;
		1730
		1731	my $coro; $coro = async {
		1732	eval {
		1733	$cb->();
		1734	};
		1735	warn $@ if $@;
		1736	};
		1737
		1738	$coro->on_destroy (sub {
		1739	delete $self->{_coro}{$coro+0};
		1740	});
		1741
		1742	$self->{_coro}{$coro+0} = $coro;
		1743
		1744	$coro
		1745	}
		1746
		1747	cf::client->attach (
		1748	on_destroy => sub {
		1749	my ($ns) = @_;
		1750
		1751	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1752	},
		1753	);
		1754
		1755	=back
		1756
874		1757
875	=head2 SAFE SCRIPTING	1758	=head2 SAFE SCRIPTING
876		1759
877	Functions that provide a safe environment to compile and execute	1760	Functions that provide a safe environment to compile and execute
878	snippets of perl code without them endangering the safety of the server	1761	snippets of perl code without them endangering the safety of the server
…		…
1030		1913
1031	{	1914	{
1032	my $path = cf::localdir . "/database.pst";	1915	my $path = cf::localdir . "/database.pst";
1033		1916
1034	sub db_load() {	1917	sub db_load() {
1035	warn "loading database $path\n";#d# remove later
1036	$DB = stat $path ? Storable::retrieve $path : { };	1918	$DB = stat $path ? Storable::retrieve $path : { };
1037	}	1919	}
1038		1920
1039	my $pid;	1921	my $pid;
1040		1922
1041	sub db_save() {	1923	sub db_save() {
1042	warn "saving database $path\n";#d# remove later
1043	waitpid $pid, 0 if $pid;	1924	waitpid $pid, 0 if $pid;
1044	if (0 == ($pid = fork)) {	1925	if (0 == ($pid = fork)) {
1045	$DB->{_meta}{version} = 1;	1926	$DB->{_meta}{version} = 1;
1046	Storable::nstore $DB, "$path~";	1927	Storable::nstore $DB, "$path~";
1047	rename "$path~", $path;	1928	rename "$path~", $path;
…		…
1078	$DB->{$_[0]} = $_[1];	1959	$DB->{$_[0]} = $_[1];
1079	}	1960	}
1080	db_dirty;	1961	db_dirty;
1081	}	1962	}
1082		1963
1083	attach_global	1964	cf::global->attach (
1084	prio => 10000,	1965	prio => 10000,
1085	on_cleanup => sub {	1966	on_cleanup => sub {
1086	db_sync;	1967	db_sync;
1087	},	1968	},
1088	;	1969	);
1089	}	1970	}
1090		1971
1091	#############################################################################	1972	#############################################################################
1092	# the server's main()	1973	# the server's main()
1093		1974
…		…
1098	local $/;	1979	local $/;
1099	*CFG = YAML::Syck::Load <$fh>;	1980	*CFG = YAML::Syck::Load <$fh>;
1100	}	1981	}
1101		1982
1102	sub main {	1983	sub main {
		1984	# we must not ever block the main coroutine
		1985	local $Coro::idle = sub {
		1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1987	(Coro::unblock_sub {
		1988	Event::one_event;
		1989	})->();
		1990	};
		1991
1103	cfg_load;	1992	cfg_load;
1104	db_load;	1993	db_load;
1105	load_extensions;	1994	load_extensions;
1106	Event::loop;	1995	Event::loop;
1107	}	1996	}
1108		1997
1109	#############################################################################	1998	#############################################################################
1110	# initialisation	1999	# initialisation
1111		2000
1112	sub _perl_reload(&) {	2001	sub reload() {
1113	my ($msg) = @_;	2002	# can/must only be called in main
		2003	if ($Coro::current != $Coro::main) {
		2004	warn "can only reload from main coroutine\n";
		2005	return;
		2006	}
1114		2007
1115	$msg->("reloading...");	2008	warn "reloading...";
		2009
		2010	local $FREEZE = 1;
		2011	cf::emergency_save;
1116		2012
1117	eval {	2013	eval {
		2014	# if anything goes wrong in here, we should simply crash as we already saved
		2015
1118	# cancel all watchers	2016	# cancel all watchers
1119	for (Event::all_watchers) {	2017	for (Event::all_watchers) {
1120	$_->cancel if $_->data & WF_AUTOCANCEL;	2018	$_->cancel if $_->data & WF_AUTOCANCEL;
1121	}	2019	}
1122		2020
		2021	# cancel all extension coros
		2022	$_->cancel for values %EXT_CORO;
		2023	%EXT_CORO = ();
		2024
1123	# unload all extensions	2025	# unload all extensions
1124	for (@exts) {	2026	for (@exts) {
1125	$msg->("unloading <$_>");	2027	warn "unloading <$_>";
1126	unload_extension $_;	2028	unload_extension $_;
1127	}	2029	}
1128		2030
1129	# unload all modules loaded from $LIBDIR	2031	# unload all modules loaded from $LIBDIR
1130	while (my ($k, $v) = each %INC) {	2032	while (my ($k, $v) = each %INC) {
1131	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1132		2034
1133	$msg->("removing <$k>");	2035	warn "removing <$k>";
1134	delete $INC{$k};	2036	delete $INC{$k};
1135		2037
1136	$k =~ s/\.pm$//;	2038	$k =~ s/\.pm$//;
1137	$k =~ s/\//::/g;	2039	$k =~ s/\//::/g;
1138		2040
…		…
1143	Symbol::delete_package $k;	2045	Symbol::delete_package $k;
1144	}	2046	}
1145		2047
1146	# sync database to disk	2048	# sync database to disk
1147	cf::db_sync;	2049	cf::db_sync;
		2050	IO::AIO::flush;
1148		2051
1149	# get rid of safe::, as good as possible	2052	# get rid of safe::, as good as possible
1150	Symbol::delete_package "safe::$_"	2053	Symbol::delete_package "safe::$_"
1151	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1152		2055
1153	# remove register_script_function callbacks	2056	# remove register_script_function callbacks
1154	# TODO	2057	# TODO
1155		2058
1156	# unload cf.pm "a bit"	2059	# unload cf.pm "a bit"
…		…
1159	# don't, removes xs symbols, too,	2062	# don't, removes xs symbols, too,
1160	# and global variables created in xs	2063	# and global variables created in xs
1161	#Symbol::delete_package __PACKAGE__;	2064	#Symbol::delete_package __PACKAGE__;
1162		2065
1163	# reload cf.pm	2066	# reload cf.pm
1164	$msg->("reloading cf.pm");	2067	warn "reloading cf.pm";
1165	require cf;	2068	require cf;
		2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1166		2070
1167	# load config and database again	2071	# load config and database again
1168	cf::cfg_load;	2072	cf::cfg_load;
1169	cf::db_load;	2073	cf::db_load;
1170		2074
1171	# load extensions	2075	# load extensions
1172	$msg->("load extensions");	2076	warn "load extensions";
1173	cf::load_extensions;	2077	cf::load_extensions;
1174		2078
1175	# reattach attachments to objects	2079	# reattach attachments to objects
1176	$msg->("reattach");	2080	warn "reattach";
1177	_global_reattach;	2081	_global_reattach;
1178	};	2082	};
1179	$msg->($@) if $@;
1180		2083
1181	$msg->("reloaded");	2084	if ($@) {
		2085	warn $@;
		2086	warn "error while reloading, exiting.";
		2087	exit 1;
		2088	}
		2089
		2090	warn "reloaded successfully";
1182	};	2091	};
1183		2092
1184	sub perl_reload() {	2093	#############################################################################
1185	_perl_reload {	2094
1186	warn $_[0];	2095	unless ($LINK_MAP) {
1187	print "$_[0]\n";	2096	$LINK_MAP = cf::map::new;
1188	};	2097
		2098	$LINK_MAP->width (41);
		2099	$LINK_MAP->height (41);
		2100	$LINK_MAP->alloc;
		2101	$LINK_MAP->path ("{link}");
		2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2104
		2105	# dirty hack because... archetypes are not yet loaded
		2106	Event->timer (
		2107	after => 2,
		2108	cb => sub {
		2109	$_[0]->w->cancel;
		2110
		2111	# provide some exits "home"
		2112	my $exit = cf::object::new "exit";
		2113
		2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2117
		2118	$LINK_MAP->insert ($exit->clone, 19, 19);
		2119	$LINK_MAP->insert ($exit->clone, 19, 20);
		2120	$LINK_MAP->insert ($exit->clone, 19, 21);
		2121	$LINK_MAP->insert ($exit->clone, 20, 19);
		2122	$LINK_MAP->insert ($exit->clone, 20, 21);
		2123	$LINK_MAP->insert ($exit->clone, 21, 19);
		2124	$LINK_MAP->insert ($exit->clone, 21, 20);
		2125	$LINK_MAP->insert ($exit->clone, 21, 21);
		2126
		2127	$exit->destroy;
		2128	});
		2129
		2130	$LINK_MAP->{deny_save} = 1;
		2131	$LINK_MAP->{deny_reset} = 1;
		2132
		2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1189	}	2134	}
1190		2135
1191	register "<global>", __PACKAGE__;	2136	register "<global>", __PACKAGE__;
1192		2137
1193	register_command "perl-reload" => sub {	2138	register_command "reload" => sub {
1194	my ($who, $arg) = @_;	2139	my ($who, $arg) = @_;
1195		2140
1196	if ($who->flag (FLAG_WIZ)) {	2141	if ($who->flag (FLAG_WIZ)) {
1197	_perl_reload {	2142	$who->message ("start of reload.");
1198	warn $_[0];	2143	reload;
1199	$who->message ($_[0]);	2144	$who->message ("end of reload.");
1200	};
1201	}	2145	}
1202	};	2146	};
1203		2147
1204	unshift @INC, $LIBDIR;	2148	unshift @INC, $LIBDIR;
1205		2149
1206	$TICK_WATCHER = Event->timer (	2150	$TICK_WATCHER = Event->timer (
		2151	reentrant => 0,
1207	prio => 0,	2152	prio => 0,
1208	at => $NEXT_TICK \|\| 1,	2153	at => $NEXT_TICK \|\| $TICK,
1209	data => WF_AUTOCANCEL,	2154	data => WF_AUTOCANCEL,
1210	cb => sub {	2155	cb => sub {
		2156	unless ($FREEZE) {
1211	cf::server_tick; # one server iteration	2157	cf::server_tick; # one server iteration
		2158	$RUNTIME += $TICK;
		2159	}
1212		2160
1213	my $NOW = Event::time;
1214	$NEXT_TICK += $TICK;	2161	$NEXT_TICK += $TICK;
1215		2162
1216	# if we are delayed by four ticks or more, skip them all	2163	# if we are delayed by four ticks or more, skip them all
1217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1218		2165
1219	$TICK_WATCHER->at ($NEXT_TICK);	2166	$TICK_WATCHER->at ($NEXT_TICK);
1220	$TICK_WATCHER->start;	2167	$TICK_WATCHER->start;
1221	},	2168	},
1222	);	2169	);
1223		2170
1224	IO::AIO::max_poll_time $TICK * 0.2;	2171	IO::AIO::max_poll_time $TICK * 0.2;
1225		2172
		2173	Event->io (
1226	Event->io (fd => IO::AIO::poll_fileno,	2174	fd => IO::AIO::poll_fileno,
1227	poll => 'r',	2175	poll => 'r',
1228	prio => 5,	2176	prio => 5,
1229	data => WF_AUTOCANCEL,	2177	data => WF_AUTOCANCEL,
1230	cb => \&IO::AIO::poll_cb);	2178	cb => \&IO::AIO::poll_cb,
		2179	);
		2180
		2181	Event->timer (
		2182	data => WF_AUTOCANCEL,
		2183	after => 0,
		2184	interval => 10,
		2185	cb => sub {
		2186	(Coro::unblock_sub {
		2187	write_runtime
		2188	or warn "ERROR: unable to write runtime file: $!";
		2189	})->();
		2190	},
		2191	);
1231		2192
1232	1	2193	1
1233		2194

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.92 by root, Thu Dec 21 06:42:28 2006 UTC vs. Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.92 by root, Thu Dec 21 06:42:28 2006 UTC vs.
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC