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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.72 by root, Sun Oct 1 11:41:37 2006 UTC vs.
Revision 1.111 by root, Mon Jan 1 12:28:47 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;
		22	use IO::AIO 2.31 ();
10	use YAML::Syck ();	23	use YAML::Syck ();
11	use Time::HiRes;	24	use Time::HiRes;
12	use Event;	25
13	$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
14		27
15	# 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?
16	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
17		30
18	use strict;	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
19		32
20	_init_vars;	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
21		34
22	our %COMMAND = ();	35	our %COMMAND = ();
		36	our %COMMAND_TIME = ();
		37	our %EXTCMD = ();
		38
23	our @EVENT;	39	our @EVENT;
24	our $LIBDIR = maps_directory "perl";	40	our $LIBDIR = datadir . "/ext";
25		41
26	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
27	our $TICK_WATCHER;	43	our $TICK_WATCHER;
28	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
29		46
30	our %CFG;	47	our %CFG;
31		48
		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];
		78
32	#############################################################################	79	#############################################################################
33		80
34	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
35		82
36	=over 4	83	=over 4
		84
		85	=item $cf::UPTIME
		86
		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.
37		93
38	=item $cf::LIBDIR	94	=item $cf::LIBDIR
39		95
40	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
41	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.
42		102
43	=item $cf::TICK	103	=item $cf::TICK
44		104
45	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
46		106
54	=cut	114	=cut
55		115
56	BEGIN {	116	BEGIN {
57	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
58	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
59	$msg .= "\n"	121	$msg .= "\n"
60	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
61		123
62	print STDERR "cfperl: $msg";
63	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
64	};	125	};
65	}	126	}
66		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';
67	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
68		134
69	# 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
70	# within the Safe compartment.	136	# within the Safe compartment.
71	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {	137	for my $pkg (qw(
		138	cf::global cf::attachable
		139	cf::object cf::object::player
		140	cf::client cf::player
		141	cf::arch cf::living
		142	cf::map cf::party cf::region
		143	)) {
72	no strict 'refs';	144	no strict 'refs';
73	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
74	}	146	}
75		147
76	$Event::DIED = sub {	148	$Event::DIED = sub {
…		…
78	};	150	};
79		151
80	my %ext_pkg;	152	my %ext_pkg;
81	my @exts;	153	my @exts;
82	my @hook;	154	my @hook;
83	my %command;
84	my %extcmd;
85		155
86	=head2 UTILITY FUNCTIONS	156	=head2 UTILITY FUNCTIONS
87		157
88	=over 4	158	=over 4
89		159
…		…
111	sub to_json($) {	181	sub to_json($) {
112	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
113	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
114	}	184	}
115		185
		186	=item cf::sync_job { BLOCK }
		187
		188	The design of crossfire+ requires that the main coro ($Coro::main) is
		189	always able to handle events or runnable, as crossfire+ is only partly
		190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		191
		192	If it must be done, put the blocking parts into C<sync_job>. This will run
		193	the given BLOCK in another coroutine while waiting for the result. The
		194	server will be frozen during this time, so the block should either finish
		195	fast or be very important.
		196
		197	=cut
		198
		199	sub sync_job(&) {
		200	my ($job) = @_;
		201
		202	my $busy = 1;
		203	my @res;
		204
		205	my $coro = Coro::async {
		206	@res = eval { $job->() };
		207	warn $@ if $@;
		208	undef $busy;
		209	};
		210
		211	if ($Coro::current == $Coro::main) {
		212	# TODO: use suspend/resume instead
		213	local $FREEZE = 1;
		214	$coro->prio (Coro::PRIO_MAX);
		215	while ($busy) {
		216	Coro::cede_notself;
		217	Event::one_event unless Coro::nready;
		218	}
		219	} else {
		220	$coro->join;
		221	}
		222
		223	wantarray ? @res : $res[0]
		224	}
		225
		226	=item $coro = cf::coro { BLOCK }
		227
		228	Creates and returns a new coro. This coro is automcatially being canceled
		229	when the extension calling this is being unloaded.
		230
		231	=cut
		232
		233	sub coro(&) {
		234	my $cb = shift;
		235
		236	my $coro; $coro = async {
		237	eval {
		238	$cb->();
		239	};
		240	warn $@ if $@;
		241	};
		242
		243	$coro->on_destroy (sub {
		244	delete $EXT_CORO{$coro+0};
		245	});
		246	$EXT_CORO{$coro+0} = $coro;
		247
		248	$coro
		249	}
		250
		251	sub write_runtime {
		252	my $runtime = cf::localdir . "/runtime";
		253
		254	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		255	or return;
		256
		257	my $value = $cf::RUNTIME;
		258	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		259	and return;
		260
		261	aio_fsync $fh
		262	and return;
		263
		264	close $fh
		265	or return;
		266
		267	aio_rename "$runtime~", $runtime
		268	and return;
		269
		270	1
		271	}
		272
116	=back	273	=back
117		274
118	=cut	275	=cut
119		276
120	#############################################################################	277	#############################################################################
121		278
122	=head2 EVENTS AND OBJECT ATTACHMENTS	279	package cf::path;
		280
		281	sub new {
		282	my ($class, $path, $base) = @_;
		283
		284	$path = $path->as_string if ref $path;
		285
		286	my $self = bless { }, $class;
		287
		288	if ($path =~ s{^\?random/}{}) {
		289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		290	$self->{random} = cf::from_json $data;
		291	} else {
		292	if ($path =~ s{^~([^/]+)?}{}) {
		293	$self->{user_rel} = 1;
		294
		295	if (defined $1) {
		296	$self->{user} = $1;
		297	} elsif ($base =~ m{^~([^/]+)/}) {
		298	$self->{user} = $1;
		299	} else {
		300	warn "cannot resolve user-relative path without user <$path,$base>\n";
		301	}
		302	} elsif ($path =~ /^\//) {
		303	# already absolute
		304	} else {
		305	$base =~ s{[^/]+/?$}{};
		306	return $class->new ("$base/$path");
		307	}
		308
		309	for ($path) {
		310	redo if s{/\.?/}{/};
		311	redo if s{/[^/]+/\.\./}{/};
		312	}
		313	}
		314
		315	$self->{path} = $path;
		316
		317	$self
		318	}
		319
		320	# the name / primary key / in-game path
		321	sub as_string {
		322	my ($self) = @_;
		323
		324	$self->{user_rel} ? "~$self->{user}$self->{path}"
		325	: $self->{random} ? "?random/$self->{path}"
		326	: $self->{path}
		327	}
		328
		329	# the displayed name, this is a one way mapping
		330	sub visible_name {
		331	my ($self) = @_;
		332
		333	# if (my $rmp = $self->{random}) {
		334	# # todo: be more intelligent about this
		335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		336	# } else {
		337	$self->as_string
		338	# }
		339	}
		340
		341	# escape the /'s in the path
		342	sub _escaped_path {
		343	# ∕ is U+2215
		344	(my $path = $_[0]{path}) =~ s/\//∕/g;
		345	$path
		346	}
		347
		348	# the original (read-only) location
		349	sub load_path {
		350	my ($self) = @_;
		351
		352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		353	}
		354
		355	# the temporary/swap location
		356	sub save_path {
		357	my ($self) = @_;
		358
		359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		362	}
		363
		364	# the unique path, might be eq to save_path
		365	sub uniq_path {
		366	my ($self) = @_;
		367
		368	$self->{user_rel} \|\| $self->{random}
		369	? undef
		370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		371	}
		372
		373	# return random map parameters, or undef
		374	sub random_map_params {
		375	my ($self) = @_;
		376
		377	$self->{random}
		378	}
		379
		380	# this is somewhat ugly, but style maps do need special treatment
		381	sub is_style_map {
		382	$_[0]{path} =~ m{^/styles/}
		383	}
		384
		385	package cf;
		386
		387	#############################################################################
		388
		389	=head2 ATTACHABLE OBJECTS
		390
		391	Many objects in crossfire are so-called attachable objects. That means you can
		392	attach callbacks/event handlers (a collection of which is called an "attachment")
		393	to it. All such attachable objects support the following methods.
		394
		395	In the following description, CLASS can be any of C<global>, C<object>
		396	C<player>, C<client> or C<map> (i.e. the attachable objects in
		397	crossfire+).
123		398
124	=over 4	399	=over 4
125		400
126	=item $object->attach ($attachment, key => $value...)
127
128	=item $object->detach ($attachment)
129
130	Attach/detach a pre-registered attachment to an object.
131
132	=item $player->attach ($attachment, key => $value...)
133
134	=item $player->detach ($attachment)
135
136	Attach/detach a pre-registered attachment to a player.
137
138	=item $map->attach ($attachment, key => $value...)	401	=item $attachable->attach ($attachment, key => $value...)
139		402
140	=item $map->detach ($attachment)	403	=item $attachable->detach ($attachment)
141		404
142	Attach/detach a pre-registered attachment to a map.	405	Attach/detach a pre-registered attachment to a specific object and give it
		406	the specified key/value pairs as arguments.
143		407
144	=item $bool = $object->attached ($name)	408	Example, attach a minesweeper attachment to the given object, making it a
		409	10x10 minesweeper game:
145		410
146	=item $bool = $player->attached ($name)	411	$obj->attach (minesweeper => width => 10, height => 10);
147		412
148	=item $bool = $map->attached ($name)	413	=item $bool = $attachable->attached ($name)
149		414
150	Checks wether the named attachment is currently attached to the object.	415	Checks wether the named attachment is currently attached to the object.
151		416
152	=item cf::attach_global ...	417	=item cf::CLASS->attach ...
153		418
154	Attach handlers for global events.	419	=item cf::CLASS->detach ...
155		420
156	This and all following C<attach_*>-functions expect any number of the	421	Define an anonymous attachment and attach it to all objects of the given
157	following handler/hook descriptions:	422	CLASS. See the next function for an explanation of its arguments.
		423
		424	You can attach to global events by using the C<cf::global> class.
		425
		426	Example, log all player logins:
		427
		428	cf::player->attach (
		429	on_login => sub {
		430	my ($pl) = @_;
		431	...
		432	},
		433	);
		434
		435	Example, attach to the jeweler skill:
		436
		437	cf::object->attach (
		438	type => cf::SKILL,
		439	subtype => cf::SK_JEWELER,
		440	on_use_skill => sub {
		441	my ($sk, $ob, $part, $dir, $msg) = @_;
		442	...
		443	},
		444	);
		445
		446	=item cf::CLASS::attachment $name, ...
		447
		448	Register an attachment by C<$name> through which attachable objects of the
		449	given CLASS can refer to this attachment.
		450
		451	Some classes such as crossfire maps and objects can specify attachments
		452	that are attached at load/instantiate time, thus the need for a name.
		453
		454	These calls expect any number of the following handler/hook descriptions:
158		455
159	=over 4	456	=over 4
160		457
161	=item prio => $number	458	=item prio => $number
162		459
…		…
164	by another C<prio> setting). Lower priority handlers get executed	461	by another C<prio> setting). Lower priority handlers get executed
165	earlier. The default priority is C<0>, and many built-in handlers are	462	earlier. The default priority is C<0>, and many built-in handlers are
166	registered at priority C<-1000>, so lower priorities should not be used	463	registered at priority C<-1000>, so lower priorities should not be used
167	unless you know what you are doing.	464	unless you know what you are doing.
168		465
		466	=item type => $type
		467
		468	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		469	given type of objects only (the additional parameter C<subtype> can be
		470	used to further limit to the given subtype).
		471
169	=item on_I<event> => \&cb	472	=item on_I<event> => \&cb
170		473
171	Call the given code reference whenever the named event happens (event is	474	Call the given code reference whenever the named event happens (event is
172	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	475	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
173	handlers are recognised generally depends on the type of object these	476	handlers are recognised generally depends on the type of object these
…		…
182	package and register them. Only handlers for eevents supported by the	485	package and register them. Only handlers for eevents supported by the
183	object/class are recognised.	486	object/class are recognised.
184		487
185	=back	488	=back
186		489
187	=item cf::attach_to_type $object_type, $subtype, ...	490	Example, define an attachment called "sockpuppet" that calls the given
		491	event handler when a monster attacks:
188		492
189	Attach handlers for a specific object type (e.g. TRANSPORT) and	493	cf::object::attachment sockpuppet =>
190	subtype. If C<$subtype> is zero or undef, matches all objects of the given	494	on_skill_attack => sub {
191	type.	495	my ($self, $victim) = @_;
192		496	...
193	=item cf::attach_to_objects ...
194
195	Attach handlers to all objects. Do not use this except for debugging or
196	very rare events, as handlers are (obviously) called for I<all> objects in
197	the game.
198
199	=item cf::attach_to_players ...
200
201	Attach handlers to all players.
202
203	=item cf::attach_to_maps ...
204
205	Attach handlers to all maps.
206
207	=item cf:register_attachment $name, ...
208
209	Register an attachment by name through which objects can refer to this
210	attachment.
211
212	=item cf:register_player_attachment $name, ...
213
214	Register an attachment by name through which players can refer to this
215	attachment.
216
217	=item cf:register_map_attachment $name, ...
218
219	Register an attachment by name through which maps can refer to this
220	attachment.
221
222	=cut
223
224	# the following variables are defined in .xs and must not be re-created
225	our @CB_GLOBAL = (); # registry for all global events
226	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
227	our @CB_PLAYER = ();
228	our @CB_TYPE = (); # registry for type (cf-object class) based events
229	our @CB_MAP = ();
230
231	my %attachment;
232
233	sub _attach_cb($\%$$$) {
234	my ($registry, $undo, $event, $prio, $cb) = @_;
235
236	use sort 'stable';
237
238	$cb = [$prio, $cb];
239
240	@{$registry->[$event]} = sort
241	{ $a->[0] cmp $b->[0] }
242	@{$registry->[$event] \|\| []}, $cb;
243
244	push @{$undo->{cb}}, [$event, $cb];
245	}
246
247	# attach handles attaching event callbacks
248	# the only thing the caller has to do is pass the correct
249	# registry (== where the callback attaches to).
250	sub _attach(\@$@) {
251	my ($registry, $klass, @arg) = @_;
252
253	my $prio = 0;
254
255	my %undo = (
256	registry => $registry,
257	cb => [],
258	);
259
260	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
261
262	while (@arg) {
263	my $type = shift @arg;
264
265	if ($type eq "prio") {
266	$prio = shift @arg;
267
268	} elsif ($type eq "package") {
269	my $pkg = shift @arg;
270
271	while (my ($name, $id) = each %cb_id) {
272	if (my $cb = $pkg->can ($name)) {
273	_attach_cb $registry, %undo, $id, $prio, $cb;
274	}
275	}	497	}
276
277	} elsif (exists $cb_id{$type}) {
278	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
279
280	} elsif (ref $type) {
281	warn "attaching objects not supported, ignoring.\n";
282
283	} else {
284	shift @arg;
285	warn "attach argument '$type' not supported, ignoring.\n";
286	}
287	}
288
289	\%undo
290	}
291
292	sub _attach_attachment {
293	my ($obj, $name, %arg) = @_;
294
295	return if exists $obj->{_attachment}{$name};
296
297	my $res;
298
299	if (my $attach = $attachment{$name}) {
300	my $registry = $obj->registry;
301
302	for (@$attach) {
303	my ($klass, @attach) = @$_;
304	$res = _attach @$registry, $klass, @attach;
305	}
306
307	$obj->{$name} = \%arg;
308	} else {
309	warn "object uses attachment '$name' that is not available, postponing.\n";
310	}
311
312	$obj->{_attachment}{$name} = undef;
313
314	$res->{attachment} = $name;
315	$res
316	}
317
318	*cf::object::attach =
319	*cf::player::attach =
320	*cf::map::attach = sub {
321	my ($obj, $name, %arg) = @_;
322
323	_attach_attachment $obj, $name, %arg;
324	};
325
326	# all those should be optimised
327	*cf::object::detach =
328	*cf::player::detach =
329	*cf::map::detach = sub {
330	my ($obj, $name) = @_;
331
332	delete $obj->{_attachment}{$name};
333	reattach ($obj);
334	};
335
336	*cf::object::attached =
337	*cf::player::attached =
338	*cf::map::attached = sub {
339	my ($obj, $name) = @_;
340
341	exists $obj->{_attachment}{$name}
342	};
343
344	sub attach_global {
345	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
346	}
347
348	sub attach_to_type {
349	my $type = shift;
350	my $subtype = shift;
351
352	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
353	}
354
355	sub attach_to_objects {
356	_attach @CB_OBJECT, KLASS_OBJECT, @_
357	}
358
359	sub attach_to_players {
360	_attach @CB_PLAYER, KLASS_PLAYER, @_
361	}
362
363	sub attach_to_maps {
364	_attach @CB_MAP, KLASS_MAP, @_
365	}
366
367	sub register_attachment {
368	my $name = shift;
369
370	$attachment{$name} = [[KLASS_OBJECT, @_]];
371	}
372
373	sub register_player_attachment {
374	my $name = shift;
375
376	$attachment{$name} = [[KLASS_PLAYER, @_]];
377	}
378
379	sub register_map_attachment {
380	my $name = shift;
381
382	$attachment{$name} = [[KLASS_MAP, @_]];
383	}
384
385	our $override;
386	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
387
388	sub override {
389	$override = 1;
390	@invoke_results = ();
391	}
392
393	sub do_invoke {
394	my $event = shift;
395	my $callbacks = shift;
396
397	@invoke_results = ();
398
399	local $override;
400
401	for (@$callbacks) {
402	eval { &{$_->[1]} };
403
404	if ($@) {
405	warn "$@";
406	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
407	override;
408	}
409
410	return 1 if $override;
411	}
412
413	0	498	}
414	}
415		499
416	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	500	=item $attachable->valid
417
418	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
419
420	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
421
422	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
423
424	Generate a global/object/player/map-specific event with the given arguments.
425
426	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
427	removed in future versions), and there is no public API to access override
428	results (if you must, access C<@cf::invoke_results> directly).
429
430	=back
431
432	=cut
433
434	#############################################################################
435
436	=head2 METHODS VALID FOR ALL CORE OBJECTS
437
438	=over 4
439
440	=item $object->valid, $player->valid, $map->valid
441		501
442	Just because you have a perl object does not mean that the corresponding	502	Just because you have a perl object does not mean that the corresponding
443	C-level object still exists. If you try to access an object that has no	503	C-level object still exists. If you try to access an object that has no
444	valid C counterpart anymore you get an exception at runtime. This method	504	valid C counterpart anymore you get an exception at runtime. This method
445	can be used to test for existence of the C object part without causing an	505	can be used to test for existence of the C object part without causing an
446	exception.	506	exception.
447		507
		508	=cut
		509
		510	# the following variables are defined in .xs and must not be re-created
		511	our @CB_GLOBAL = (); # registry for all global events
		512	our @CB_ATTACHABLE = (); # registry for all attachables
		513	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		514	our @CB_PLAYER = ();
		515	our @CB_CLIENT = ();
		516	our @CB_TYPE = (); # registry for type (cf-object class) based events
		517	our @CB_MAP = ();
		518
		519	my %attachment;
		520
		521	sub _attach_cb($$$$) {
		522	my ($registry, $event, $prio, $cb) = @_;
		523
		524	use sort 'stable';
		525
		526	$cb = [$prio, $cb];
		527
		528	@{$registry->[$event]} = sort
		529	{ $a->[0] cmp $b->[0] }
		530	@{$registry->[$event] \|\| []}, $cb;
		531	}
		532
		533	# hack
		534	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		535
		536	# attach handles attaching event callbacks
		537	# the only thing the caller has to do is pass the correct
		538	# registry (== where the callback attaches to).
		539	sub _attach {
		540	my ($registry, $klass, @arg) = @_;
		541
		542	my $object_type;
		543	my $prio = 0;
		544	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		545
		546	#TODO: get rid of this hack
		547	if ($attachable_klass{$klass}) {
		548	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		549	}
		550
		551	while (@arg) {
		552	my $type = shift @arg;
		553
		554	if ($type eq "prio") {
		555	$prio = shift @arg;
		556
		557	} elsif ($type eq "type") {
		558	$object_type = shift @arg;
		559	$registry = $CB_TYPE[$object_type] \|\|= [];
		560
		561	} elsif ($type eq "subtype") {
		562	defined $object_type or Carp::croak "subtype specified without type";
		563	my $object_subtype = shift @arg;
		564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];
		565
		566	} elsif ($type eq "package") {
		567	my $pkg = shift @arg;
		568
		569	while (my ($name, $id) = each %cb_id) {
		570	if (my $cb = $pkg->can ($name)) {
		571	_attach_cb $registry, $id, $prio, $cb;
		572	}
		573	}
		574
		575	} elsif (exists $cb_id{$type}) {
		576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		577
		578	} elsif (ref $type) {
		579	warn "attaching objects not supported, ignoring.\n";
		580
		581	} else {
		582	shift @arg;
		583	warn "attach argument '$type' not supported, ignoring.\n";
		584	}
		585	}
		586	}
		587
		588	sub _object_attach {
		589	my ($obj, $name, %arg) = @_;
		590
		591	return if exists $obj->{_attachment}{$name};
		592
		593	if (my $attach = $attachment{$name}) {
		594	my $registry = $obj->registry;
		595
		596	for (@$attach) {
		597	my ($klass, @attach) = @$_;
		598	_attach $registry, $klass, @attach;
		599	}
		600
		601	$obj->{$name} = \%arg;
		602	} else {
		603	warn "object uses attachment '$name' that is not available, postponing.\n";
		604	}
		605
		606	$obj->{_attachment}{$name} = undef;
		607	}
		608
		609	sub cf::attachable::attach {
		610	if (ref $_[0]) {
		611	_object_attach @_;
		612	} else {
		613	_attach shift->_attach_registry, @_;
		614	}
		615	};
		616
		617	# all those should be optimised
		618	sub cf::attachable::detach {
		619	my ($obj, $name) = @_;
		620
		621	if (ref $obj) {
		622	delete $obj->{_attachment}{$name};
		623	reattach ($obj);
		624	} else {
		625	Carp::croak "cannot, currently, detach class attachments";
		626	}
		627	};
		628
		629	sub cf::attachable::attached {
		630	my ($obj, $name) = @_;
		631
		632	exists $obj->{_attachment}{$name}
		633	}
		634
		635	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		636	eval "#line " . __LINE__ . " 'cf.pm'
		637	sub cf::\L$klass\E::_attach_registry {
		638	(\\\@CB_$klass, KLASS_$klass)
		639	}
		640
		641	sub cf::\L$klass\E::attachment {
		642	my \$name = shift;
		643
		644	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		645	}
		646	";
		647	die if $@;
		648	}
		649
		650	our $override;
		651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		652
		653	sub override {
		654	$override = 1;
		655	@invoke_results = ();
		656	}
		657
		658	sub do_invoke {
		659	my $event = shift;
		660	my $callbacks = shift;
		661
		662	@invoke_results = ();
		663
		664	local $override;
		665
		666	for (@$callbacks) {
		667	eval { &{$_->[1]} };
		668
		669	if ($@) {
		670	warn "$@";
		671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		672	override;
		673	}
		674
		675	return 1 if $override;
		676	}
		677
		678	0
		679	}
		680
		681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		682
		683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		684
		685	Generate an object-specific event with the given arguments.
		686
		687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		688	removed in future versions), and there is no public API to access override
		689	results (if you must, access C<@cf::invoke_results> directly).
		690
448	=back	691	=back
449		692
450	=cut	693	=cut
451
452	*cf::object::valid =
453	*cf::player::valid =
454	*cf::map::valid = \&cf::_valid;
455		694
456	#############################################################################	695	#############################################################################
457	# object support	696	# object support
458		697
459	sub instantiate {
460	my ($obj, $data) = @_;
461
462	$data = from_json $data;
463
464	for (@$data) {
465	my ($name, $args) = @$_;
466
467	$obj->attach ($name, %{$args \|\| {} });
468	}
469	}
470
471	# basically do the same as instantiate, without calling instantiate
472	sub reattach {	698	sub reattach {
		699	# basically do the same as instantiate, without calling instantiate
473	my ($obj) = @_;	700	my ($obj) = @_;
		701
474	my $registry = $obj->registry;	702	my $registry = $obj->registry;
475		703
476	@$registry = ();	704	@$registry = ();
477		705
478	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	706	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
479		707
480	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	708	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
481	if (my $attach = $attachment{$name}) {	709	if (my $attach = $attachment{$name}) {
482	for (@$attach) {	710	for (@$attach) {
483	my ($klass, @attach) = @$_;	711	my ($klass, @attach) = @$_;
484	_attach @$registry, $klass, @attach;	712	_attach $registry, $klass, @attach;
485	}	713	}
486	} else {	714	} else {
487	warn "object uses attachment '$name' that is not available, postponing.\n";	715	warn "object uses attachment '$name' that is not available, postponing.\n";
488	}	716	}
489	}	717	}
490	}	718	}
491		719
492	sub object_freezer_save {	720	cf::attachable->attach (
493	my ($filename, $rdata, $objs) = @_;
494
495	if (length $$rdata) {
496	warn sprintf "saving %s (%d,%d)\n",
497	$filename, length $$rdata, scalar @$objs;
498
499	if (open my $fh, ">:raw", "$filename~") {
500	chmod SAVE_MODE, $fh;
501	syswrite $fh, $$rdata;
502	close $fh;
503
504	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
505	chmod SAVE_MODE, $fh;
506	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
507	close $fh;
508	rename "$filename.pst~", "$filename.pst";
509	} else {
510	unlink "$filename.pst";
511	}
512
513	rename "$filename~", $filename;
514	} else {
515	warn "FATAL: $filename~: $!\n";
516	}
517	} else {
518	unlink $filename;
519	unlink "$filename.pst";
520	}
521	}
522
523	sub object_thawer_load {
524	my ($filename) = @_;
525
526	local $/;
527
528	my $av;
529
530	#TODO: use sysread etc.
531	if (open my $data, "<:raw:perlio", $filename) {
532	$data = <$data>;
533	if (open my $pst, "<:raw:perlio", "$filename.pst") {
534	$av = eval { (Storable::thaw <$pst>)->{objs} };
535	}
536	return ($data, $av);
537	}
538
539	()
540	}
541
542	attach_to_objects
543	prio => -1000000,	721	prio => -1000000,
		722	on_instantiate => sub {
		723	my ($obj, $data) = @_;
		724
		725	$data = from_json $data;
		726
		727	for (@$data) {
		728	my ($name, $args) = @$_;
		729
		730	$obj->attach ($name, %{$args \|\| {} });
		731	}
		732	},
		733	on_reattach => \&reattach,
544	on_clone => sub {	734	on_clone => sub {
545	my ($src, $dst) = @_;	735	my ($src, $dst) = @_;
546		736
547	@{$dst->registry} = @{$src->registry};	737	@{$dst->registry} = @{$src->registry};
548		738
549	%$dst = %$src;	739	%$dst = %$src;
550		740
551	%{$dst->{_attachment}} = %{$src->{_attachment}}	741	%{$dst->{_attachment}} = %{$src->{_attachment}}
552	if exists $src->{_attachment};	742	if exists $src->{_attachment};
553	},	743	},
554	;	744	);
		745
		746	sub object_freezer_save {
		747	my ($filename, $rdata, $objs) = @_;
		748
		749	sync_job {
		750	if (length $$rdata) {
		751	warn sprintf "saving %s (%d,%d)\n",
		752	$filename, length $$rdata, scalar @$objs;
		753
		754	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		755	chmod SAVE_MODE, $fh;
		756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		757	aio_fsync $fh;
		758	close $fh;
		759
		760	if (@$objs) {
		761	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		762	chmod SAVE_MODE, $fh;
		763	my $data = Storable::nfreeze { version => 1, objs => $objs };
		764	aio_write $fh, 0, (length $data), $data, 0;
		765	aio_fsync $fh;
		766	close $fh;
		767	aio_rename "$filename.pst~", "$filename.pst";
		768	}
		769	} else {
		770	aio_unlink "$filename.pst";
		771	}
		772
		773	aio_rename "$filename~", $filename;
		774	} else {
		775	warn "FATAL: $filename~: $!\n";
		776	}
		777	} else {
		778	aio_unlink $filename;
		779	aio_unlink "$filename.pst";
		780	}
		781	}
		782	}
		783
		784	sub object_freezer_as_string {
		785	my ($rdata, $objs) = @_;
		786
		787	use Data::Dumper;
		788
		789	$$rdata . Dumper $objs
		790	}
		791
		792	sub object_thawer_load {
		793	my ($filename) = @_;
		794
		795	my ($data, $av);
		796
		797	(aio_load $filename, $data) >= 0
		798	or return;
		799
		800	unless (aio_stat "$filename.pst") {
		801	(aio_load "$filename.pst", $av) >= 0
		802	or return;
		803	$av = eval { (Storable::thaw <$av>)->{objs} };
		804	}
		805
		806	return ($data, $av);
		807	}
555		808
556	#############################################################################	809	#############################################################################
557	# old plug-in events	810	# command handling &c
558		811
559	sub inject_event {	812	=item cf::register_command $name => \&callback($ob,$args);
560	my $extension = shift;
561	my $event_code = shift;
562		813
563	my $cb = $hook[$event_code]{$extension}	814	Register a callback for execution when the client sends the user command
564	or return;	815	$name.
565		816
566	&$cb	817	=cut
567	}
568
569	sub inject_global_event {
570	my $event = shift;
571
572	my $cb = $hook[$event]
573	or return;
574
575	List::Util::max map &$_, values %$cb
576	}
577
578	sub inject_command {
579	my ($name, $obj, $params) = @_;
580
581	for my $cmd (@{ $command{$name} }) {
582	$cmd->[1]->($obj, $params);
583	}
584
585	-1
586	}
587		818
588	sub register_command {	819	sub register_command {
589	my ($name, $time, $cb) = @_;	820	my ($name, $cb) = @_;
590		821
591	my $caller = caller;	822	my $caller = caller;
592	#warn "registering command '$name/$time' to '$caller'";	823	#warn "registering command '$name/$time' to '$caller'";
593		824
594	push @{ $command{$name} }, [$time, $cb, $caller];	825	push @{ $COMMAND{$name} }, [$caller, $cb];
595	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
596	}	826	}
		827
		828	=item cf::register_extcmd $name => \&callback($pl,$packet);
		829
		830	Register a callbackf ro execution when the client sends an extcmd packet.
		831
		832	If the callback returns something, it is sent back as if reply was being
		833	called.
		834
		835	=cut
597		836
598	sub register_extcmd {	837	sub register_extcmd {
599	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
600		839
601	my $caller = caller;	840	my $caller = caller;
602	#warn "registering extcmd '$name' to '$caller'";	841	#warn "registering extcmd '$name' to '$caller'";
603		842
604	$extcmd{$name} = [$cb, $caller];	843	$EXTCMD{$name} = [$cb, $caller];
605	}	844	}
		845
		846	cf::player->attach (
		847	on_command => sub {
		848	my ($pl, $name, $params) = @_;
		849
		850	my $cb = $COMMAND{$name}
		851	or return;
		852
		853	for my $cmd (@$cb) {
		854	$cmd->[1]->($pl->ob, $params);
		855	}
		856
		857	cf::override;
		858	},
		859	on_extcmd => sub {
		860	my ($pl, $buf) = @_;
		861
		862	my $msg = eval { from_json $buf };
		863
		864	if (ref $msg) {
		865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
		866	if (my %reply = $cb->[0]->($pl, $msg)) {
		867	$pl->ext_reply ($msg->{msgid}, %reply);
		868	}
		869	}
		870	} else {
		871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		872	}
		873
		874	cf::override;
		875	},
		876	);
606		877
607	sub register {	878	sub register {
608	my ($base, $pkg) = @_;	879	my ($base, $pkg) = @_;
609		880
610	#TODO	881	#TODO
…		…
629	. "#line 1 \"$path\"\n{\n"	900	. "#line 1 \"$path\"\n{\n"
630	. (do { local $/; <$fh> })	901	. (do { local $/; <$fh> })
631	. "\n};\n1";	902	. "\n};\n1";
632		903
633	eval $source	904	eval $source
634	or die "$path: $@";	905	or die $@ ? "$path: $@\n"
		906	: "extension disabled.\n";
635		907
636	push @exts, $pkg;	908	push @exts, $pkg;
637	$ext_pkg{$base} = $pkg;	909	$ext_pkg{$base} = $pkg;
638		910
639	# no strict 'refs';	911	# no strict 'refs';
…		…
652	# for my $idx (0 .. $#PLUGIN_EVENT) {	924	# for my $idx (0 .. $#PLUGIN_EVENT) {
653	# delete $hook[$idx]{$pkg};	925	# delete $hook[$idx]{$pkg};
654	# }	926	# }
655		927
656	# remove commands	928	# remove commands
657	for my $name (keys %command) {	929	for my $name (keys %COMMAND) {
658	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
659		931
660	if (@cb) {	932	if (@cb) {
661	$command{$name} = \@cb;	933	$COMMAND{$name} = \@cb;
662	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
663	} else {	934	} else {
664	delete $command{$name};
665	delete $COMMAND{"$name\000"};	935	delete $COMMAND{$name};
666	}	936	}
667	}	937	}
668		938
669	# remove extcmds	939	# remove extcmds
670	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
671	delete $extcmd{$name};	941	delete $EXTCMD{$name};
672	}	942	}
673		943
674	if (my $cb = $pkg->can ("unload")) {	944	if (my $cb = $pkg->can ("unload")) {
675	eval {	945	eval {
676	$cb->($pkg);	946	$cb->($pkg);
…		…
680		950
681	Symbol::delete_package $pkg;	951	Symbol::delete_package $pkg;
682	}	952	}
683		953
684	sub load_extensions {	954	sub load_extensions {
685	my $LIBDIR = maps_directory "perl";
686
687	for my $ext (<$LIBDIR/*.ext>) {	955	for my $ext (<$LIBDIR/*.ext>) {
688	next unless -r $ext;	956	next unless -r $ext;
689	eval {	957	eval {
690	load_extension $ext;	958	load_extension $ext;
691	1	959	1
692	} or warn "$ext not loaded: $@";	960	} or warn "$ext not loaded: $@";
693	}	961	}
694	}	962	}
695		963
696	#############################################################################	964	#############################################################################
697	# extcmd framework, basically convert ext <msg>
698	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
699
700	attach_to_players
701	on_extcmd => sub {
702	my ($pl, $buf) = @_;
703
704	my $msg = eval { from_json $buf };
705
706	if (ref $msg) {
707	if (my $cb = $extcmd{$msg->{msgtype}}) {
708	if (my %reply = $cb->[0]->($pl, $msg)) {
709	$pl->ext_reply ($msg->{msgid}, %reply);
710	}
711	}
712	} else {
713	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
714	}
715
716	cf::override;
717	},
718	;
719
720	#############################################################################
721	# load/save/clean perl data associated with a map	965	# load/save/clean perl data associated with a map
722		966
723	*cf::mapsupport::on_clean = sub {	967	*cf::mapsupport::on_clean = sub {
724	my ($map) = @_;	968	my ($map) = @_;
725		969
…		…
727	defined $path or return;	971	defined $path or return;
728		972
729	unlink "$path.pst";	973	unlink "$path.pst";
730	};	974	};
731		975
732	attach_to_maps prio => -10000, package => cf::mapsupport::;	976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
733		977
734	#############################################################################	978	#############################################################################
735	# load/save perl data associated with player->ob objects	979	# load/save perl data associated with player->ob objects
736		980
737	sub all_objects(@) {	981	sub all_objects(@) {
738	@_, map all_objects ($_->inv), @_	982	@_, map all_objects ($_->inv), @_
739	}	983	}
740		984
741	# TODO: compatibility cruft, remove when no longer needed	985	# TODO: compatibility cruft, remove when no longer needed
742	attach_to_players	986	cf::player->attach (
743	on_load => sub {	987	on_load => sub {
744	my ($pl, $path) = @_;	988	my ($pl, $path) = @_;
745		989
746	for my $o (all_objects $pl->ob) {	990	for my $o (all_objects $pl->ob) {
747	if (my $value = $o->get_ob_key_value ("_perl_data")) {	991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
749		993
750	%$o = %{ Storable::thaw pack "H*", $value };	994	%$o = %{ Storable::thaw pack "H*", $value };
751	}	995	}
752	}	996	}
753	},	997	},
754	;	998	);
755		999
756	#############################################################################	1000	#############################################################################
757		1001
758	=head2 CORE EXTENSIONS	1002	=head2 CORE EXTENSIONS
759		1003
760	Functions and methods that extend core crossfire objects.	1004	Functions and methods that extend core crossfire objects.
		1005
		1006	=head3 cf::player
761		1007
762	=over 4	1008	=over 4
763		1009
764	=item cf::player::exists $login	1010	=item cf::player::exists $login
765		1011
…		…
770	sub cf::player::exists($) {	1016	sub cf::player::exists($) {
771	cf::player::find $_[0]	1017	cf::player::find $_[0]
772	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
773	}	1019	}
774		1020
		1021	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1022
		1023	Sends an ext reply to the player.
		1024
		1025	=cut
		1026
		1027	sub cf::player::ext_reply($$$%) {
		1028	my ($self, $id, %msg) = @_;
		1029
		1030	$msg{msgid} = $id;
		1031
		1032	$self->send ("ext " . to_json \%msg);
		1033	}
		1034
		1035	=back
		1036
		1037
		1038	=head3 cf::map
		1039
		1040	=over 4
		1041
		1042	=cut
		1043
		1044	package cf::map;
		1045
		1046	use Fcntl;
		1047	use Coro::AIO;
		1048
		1049	our $MAX_RESET = 7200;
		1050	our $DEFAULT_RESET = 3600;
		1051	$MAX_RESET = 10;#d#
		1052	$DEFAULT_RESET = 10;#d#
		1053
		1054	sub generate_random_map {
		1055	my ($path, $rmp) = @_;
		1056
		1057	# mit "rum" bekleckern, nicht
		1058	cf::map::_create_random_map
		1059	$path,
		1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1063	$rmp->{exit_on_final_map},
		1064	$rmp->{xsize}, $rmp->{ysize},
		1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1070	(cf::region::find $rmp->{region})
		1071	}
		1072
		1073	# and all this just because we cannot iterate over
		1074	# all maps in C++...
		1075	sub change_all_map_light {
		1076	my ($change) = @_;
		1077
		1078	$_->change_map_light ($change) for values %cf::MAP;
		1079	}
		1080
		1081	sub try_load_header($) {
		1082	my ($path) = @_;
		1083
		1084	utf8::encode $path;
		1085	aio_open $path, O_RDONLY, 0
		1086	or return;
		1087
		1088	my $map = cf::map::new
		1089	or return;
		1090
		1091	$map->load_header ($path)
		1092	or return;
		1093
		1094	$map->{load_path} = $path;
		1095	use Data::Dumper; warn Dumper $map;#d#
		1096
		1097	$map
		1098	}
		1099
		1100	sub find_map {
		1101	my ($path, $origin) = @_;
		1102
		1103	#warn "find_map<$path,$origin>\n";#d#
		1104
		1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;
		1106	my $key = $path->as_string;
		1107
		1108	$cf::MAP{$key} \|\| do {
		1109	# do it the slow way
		1110	my $map = try_load_header $path->save_path;
		1111
		1112	if ($map) {
		1113	# safety
		1114	$map->{instantiate_time} = $cf::RUNTIME
		1115	if $map->{instantiate_time} > $cf::RUNTIME;
		1116	} else {
		1117	if (my $rmp = $path->random_map_params) {
		1118	$map = generate_random_map $key, $rmp;
		1119	} else {
		1120	$map = try_load_header $path->load_path;
		1121	}
		1122
		1123	$map or return;
		1124
		1125	$map->{load_original} = 1;
		1126	$map->{instantiate_time} = $cf::RUNTIME;
		1127	$map->instantiate;
		1128
		1129	# per-player maps become, after loading, normal maps
		1130	$map->per_player (0) if $path->{user_rel};
		1131	}
		1132
		1133	$map->path ($key);
		1134	$map->{path} = $path;
		1135	$map->last_access ($cf::RUNTIME);
		1136
		1137	$map->reset if $map->should_reset;
		1138
		1139	$cf::MAP{$key} = $map
		1140	}
		1141	}
		1142
		1143	sub load {
		1144	my ($self) = @_;
		1145
		1146	return if $self->in_memory != cf::MAP_SWAPPED;
		1147
		1148	$self->in_memory (cf::MAP_LOADING);
		1149
		1150	my $path = $self->{path};
		1151
		1152	$self->alloc;
		1153	$self->load_objects ($self->{load_path}, 1)
		1154	or return;
		1155
		1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};
		1157
		1158	if (my $uniq = $path->uniq_path) {
		1159	utf8::encode $uniq;
		1160	if (aio_open $uniq, O_RDONLY, 0) {
		1161	$self->clear_unique_items;
		1162	$self->load_objects ($uniq, 0);
		1163	}
		1164	}
		1165
		1166	# now do the right thing for maps
		1167	$self->link_multipart_objects;
		1168
		1169	if ($self->{path}->is_style_map) {
		1170	$self->{deny_save} = 1;
		1171	$self->{deny_reset} = 1;
		1172	} else {
		1173	$self->fix_auto_apply;
		1174	$self->decay_objects;
		1175	$self->update_buttons;
		1176	$self->set_darkness_map;
		1177	$self->difficulty ($self->estimate_difficulty)
		1178	unless $self->difficulty;
		1179	$self->activate;
		1180	}
		1181
		1182	$self->in_memory (cf::MAP_IN_MEMORY);
		1183	}
		1184
		1185	sub load_map_sync {
		1186	my ($path, $origin) = @_;
		1187
		1188	#warn "load_map_sync<$path, $origin>\n";#d#
		1189
		1190	cf::sync_job {
		1191	my $map = cf::map::find_map $path, $origin
		1192	or return;
		1193	$map->load;
		1194	$map
		1195	}
		1196	}
		1197
		1198	sub save {
		1199	my ($self) = @_;
		1200
		1201	my $save = $self->{path}->save_path; utf8::encode $save;
		1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1203
		1204	$self->{last_save} = $cf::RUNTIME;
		1205
		1206	return unless $self->dirty;
		1207
		1208	$self->{load_path} = $save;
		1209
		1210	return if $self->{deny_save};
		1211
		1212	warn "saving map ", $self->path;
		1213
		1214	if ($uniq) {
		1215	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1216	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1217	} else {
		1218	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1219	}
		1220	}
		1221
		1222	sub swap_out {
		1223	my ($self) = @_;
		1224
		1225	return if $self->players;
		1226	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1227	return if $self->{deny_save};
		1228
		1229	$self->save;
		1230	$self->clear;
		1231	$self->in_memory (cf::MAP_SWAPPED);
		1232	}
		1233
		1234	sub should_reset {
		1235	my ($map) = @_;
		1236
		1237	# TODO: safety, remove and allow resettable per-player maps
		1238	return if $map->{path}{user_rel};#d#
		1239	return if $map->{deny_reset};
		1240	#return unless $map->reset_timeout;
		1241
		1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
		1243	my $to = $map->reset_timeout \|\| $DEFAULT_RESET;
		1244	$to = $MAX_RESET if $to > $MAX_RESET;
		1245
		1246	$time + $to < $cf::RUNTIME
		1247	}
		1248
		1249	sub unlink_save {
		1250	my ($self) = @_;
		1251
		1252	utf8::encode (my $save = $self->{path}->save_path);
		1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1255	}
		1256
		1257	sub reset {
		1258	my ($self) = @_;
		1259
		1260	return if $self->players;
		1261	return if $self->{path}{user_rel};#d#
		1262
		1263	warn "resetting map ", $self->path;#d#
		1264
		1265	delete $cf::MAP{$self->path};
		1266
		1267	$_->clear_links_to ($self) for values %cf::MAP;
		1268
		1269	$self->unlink_save;
		1270	$self->destroy;
		1271	}
		1272
		1273	sub customise_for {
		1274	my ($map, $ob) = @_;
		1275
		1276	if ($map->per_player) {
		1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1278	}
		1279
		1280	$map
		1281	}
		1282
		1283	sub emergency_save {
		1284	local $cf::FREEZE = 1;
		1285
		1286	warn "enter emergency map save\n";
		1287
		1288	cf::sync_job {
		1289	warn "begin emergency map save\n";
		1290	$_->save for values %cf::MAP;
		1291	};
		1292
		1293	warn "end emergency map save\n";
		1294	}
		1295
		1296	package cf;
		1297
		1298	=back
		1299
		1300
		1301	=head3 cf::object::player
		1302
		1303	=over 4
		1304
775	=item $player->reply ($npc, $msg[, $flags])	1305	=item $player_object->reply ($npc, $msg[, $flags])
776		1306
777	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1307	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
778	can be C<undef>. Does the right thing when the player is currently in a	1308	can be C<undef>. Does the right thing when the player is currently in a
779	dialogue with the given NPC character.	1309	dialogue with the given NPC character.
780		1310
781	=cut	1311	=cut
782		1312
783	# rough implementation of a future "reply" method that works	1313	# rough implementation of a future "reply" method that works
784	# with dialog boxes.	1314	# with dialog boxes.
		1315	#TODO: the first argument must go, split into a $npc->reply_to ( method
785	sub cf::object::player::reply($$$;$) {	1316	sub cf::object::player::reply($$$;$) {
786	my ($self, $npc, $msg, $flags) = @_;	1317	my ($self, $npc, $msg, $flags) = @_;
787		1318
788	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1319	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
789		1320
…		…
793	$msg = $npc->name . " says: $msg" if $npc;	1324	$msg = $npc->name . " says: $msg" if $npc;
794	$self->message ($msg, $flags);	1325	$self->message ($msg, $flags);
795	}	1326	}
796	}	1327	}
797		1328
798	=item $player->ext_reply ($msgid, $msgtype, %msg)	1329	=item $player_object->may ("access")
799		1330
800	Sends an ext reply to the player.	1331	Returns wether the given player is authorized to access resource "access"
		1332	(e.g. "command_wizcast").
801		1333
802	=cut	1334	=cut
803		1335
804	sub cf::player::ext_reply($$$%) {	1336	sub cf::object::player::may {
		1337	my ($self, $access) = @_;
		1338
		1339	$self->flag (cf::FLAG_WIZ) \|\|
		1340	(ref $cf::CFG{"may_$access"}
		1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
		1342	: $cf::CFG{"may_$access"})
		1343	}
		1344
		1345	sub cf::object::player::enter_link {
		1346	my ($self) = @_;
		1347
		1348	return if $self->map == $LINK_MAP;
		1349
		1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1351	if $self->map;
		1352
		1353	$self->enter_map ($LINK_MAP, 20, 20);
		1354	$self->deactivate_recursive;
		1355	}
		1356
		1357	sub cf::object::player::leave_link {
		1358	my ($self, $map, $x, $y) = @_;
		1359
		1360	my $link_pos = delete $self->{_link_pos};
		1361
		1362	unless ($map) {
		1363	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1364
		1365	# restore original map position
		1366	($map, $x, $y) = @{ $link_pos \|\| [] };
		1367	$map = cf::map::find_map $map;
		1368
		1369	unless ($map) {
		1370	($map, $x, $y) = @$EMERGENCY_POSITION;
		1371	$map = cf::map::find_map $map
		1372	or die "FATAL: cannot load emergency map\n";
		1373	}
		1374	}
		1375
		1376	($x, $y) = (-1, -1)
		1377	unless (defined $x) && (defined $y);
		1378
		1379	# use -1 or undef as default coordinates, not 0, 0
		1380	($x, $y) = ($map->enter_x, $map->enter_y)
		1381	if $x <=0 && $y <= 0;
		1382
		1383	$map->load;
		1384
		1385	$self->activate_recursive;
		1386	$self->enter_map ($map, $x, $y);
		1387	}
		1388
		1389	=item $player_object->goto_map ($map, $x, $y)
		1390
		1391	=cut
		1392
		1393	sub cf::object::player::goto_map {
		1394	my ($self, $path, $x, $y) = @_;
		1395
		1396	$self->enter_link;
		1397
		1398	(Coro::async {
		1399	$path = new cf::path $path;
		1400
		1401	my $map = cf::map::find_map $path->as_string;
		1402	$map = $map->customise_for ($self) if $map;
		1403
		1404	warn "entering ", $map->path, " at ($x, $y)\n"
		1405	if $map;
		1406
		1407	$self->leave_link ($map, $x, $y);
		1408	})->prio (1);
		1409	}
		1410
		1411	=item $player_object->enter_exit ($exit_object)
		1412
		1413	=cut
		1414
		1415	sub parse_random_map_params {
		1416	my ($spec) = @_;
		1417
		1418	my $rmp = { # defaults
		1419	xsize => 10,
		1420	ysize => 10,
		1421	};
		1422
		1423	for (split /\n/, $spec) {
		1424	my ($k, $v) = split /\s+/, $_, 2;
		1425
		1426	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1427	}
		1428
		1429	$rmp
		1430	}
		1431
		1432	sub prepare_random_map {
		1433	my ($exit) = @_;
		1434
		1435	# all this does is basically replace the /! path by
		1436	# a new random map path (?random/...) with a seed
		1437	# that depends on the exit object
		1438
		1439	my $rmp = parse_random_map_params $exit->msg;
		1440
		1441	if ($exit->map) {
		1442	$rmp->{region} = $exit->map->region_name;
		1443	$rmp->{origin_map} = $exit->map->path;
		1444	$rmp->{origin_x} = $exit->x;
		1445	$rmp->{origin_y} = $exit->y;
		1446	}
		1447
		1448	$rmp->{random_seed} \|\|= $exit->random_seed;
		1449
		1450	my $data = cf::to_json $rmp;
		1451	my $md5 = Digest::MD5::md5_hex $data;
		1452
		1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1454	aio_write $fh, 0, (length $data), $data, 0;
		1455
		1456	$exit->slaying ("?random/$md5");
		1457	$exit->msg (undef);
		1458	}
		1459	}
		1460
		1461	sub cf::object::player::enter_exit {
805	my ($self, $id, %msg) = @_;	1462	my ($self, $exit) = @_;
806		1463
807	$msg{msgid} = $id;	1464	return unless $self->type == cf::PLAYER;
808		1465
809	$self->send ("ext " . to_json \%msg);	1466	$self->enter_link;
		1467
		1468	(Coro::async {
		1469	unless (eval {
		1470
		1471	prepare_random_map $exit
		1472	if $exit->slaying eq "/!";
		1473
		1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1476
		1477	1;
		1478	}) {
		1479	$self->message ("Something went wrong deep within the crossfire server. "
		1480	. "I'll try to bring you back to the map you were before. "
		1481	. "Please report this to the dungeon master",
		1482	cf::NDI_UNIQUE \| cf::NDI_RED);
		1483
		1484	warn "ERROR in enter_exit: $@";
		1485	$self->leave_link;
		1486	}
		1487	})->prio (1);
810	}	1488	}
		1489
		1490	=head3 cf::client
		1491
		1492	=over 4
		1493
		1494	=item $client->send_drawinfo ($text, $flags)
		1495
		1496	Sends a drawinfo packet to the client. Circumvents output buffering so
		1497	should not be used under normal circumstances.
		1498
		1499	=cut
		1500
		1501	sub cf::client::send_drawinfo {
		1502	my ($self, $text, $flags) = @_;
		1503
		1504	utf8::encode $text;
		1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1506	}
		1507
		1508
		1509	=item $success = $client->query ($flags, "text", \&cb)
		1510
		1511	Queues a query to the client, calling the given callback with
		1512	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1513	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1514
		1515	Queries can fail, so check the return code. Or don't, as queries will become
		1516	reliable at some point in the future.
		1517
		1518	=cut
		1519
		1520	sub cf::client::query {
		1521	my ($self, $flags, $text, $cb) = @_;
		1522
		1523	return unless $self->state == ST_PLAYING
		1524	\|\| $self->state == ST_SETUP
		1525	\|\| $self->state == ST_CUSTOM;
		1526
		1527	$self->state (ST_CUSTOM);
		1528
		1529	utf8::encode $text;
		1530	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1531
		1532	$self->send_packet ($self->{query_queue}[0][0])
		1533	if @{ $self->{query_queue} } == 1;
		1534	}
		1535
		1536	cf::client->attach (
		1537	on_reply => sub {
		1538	my ($ns, $msg) = @_;
		1539
		1540	# this weird shuffling is so that direct followup queries
		1541	# get handled first
		1542	my $queue = delete $ns->{query_queue};
		1543
		1544	(shift @$queue)->[1]->($msg);
		1545
		1546	push @{ $ns->{query_queue} }, @$queue;
		1547
		1548	if (@{ $ns->{query_queue} } == @$queue) {
		1549	if (@$queue) {
		1550	$ns->send_packet ($ns->{query_queue}[0][0]);
		1551	} else {
		1552	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1553	}
		1554	}
		1555	},
		1556	);
		1557
		1558	=item $client->coro (\&cb)
		1559
		1560	Create a new coroutine, running the specified callback. The coroutine will
		1561	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1562	or loss of connection).
		1563
		1564	=cut
		1565
		1566	sub cf::client::coro {
		1567	my ($self, $cb) = @_;
		1568
		1569	my $coro; $coro = async {
		1570	eval {
		1571	$cb->();
		1572	};
		1573	warn $@ if $@;
		1574	};
		1575
		1576	$coro->on_destroy (sub {
		1577	delete $self->{_coro}{$coro+0};
		1578	});
		1579
		1580	$self->{_coro}{$coro+0} = $coro;
		1581
		1582	$coro
		1583	}
		1584
		1585	cf::client->attach (
		1586	on_destroy => sub {
		1587	my ($ns) = @_;
		1588
		1589	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1590	},
		1591	);
811		1592
812	=back	1593	=back
813		1594
814	=cut
815
816	#############################################################################
817		1595
818	=head2 SAFE SCRIPTING	1596	=head2 SAFE SCRIPTING
819		1597
820	Functions that provide a safe environment to compile and execute	1598	Functions that provide a safe environment to compile and execute
821	snippets of perl code without them endangering the safety of the server	1599	snippets of perl code without them endangering the safety of the server
822	itself. Looping constructs, I/O operators and other built-in functionality	1600	itself. Looping constructs, I/O operators and other built-in functionality
823	is not available in the safe scripting environment, and the number of	1601	is not available in the safe scripting environment, and the number of
824	functions and methods that cna be called is greatly reduced.	1602	functions and methods that can be called is greatly reduced.
825		1603
826	=cut	1604	=cut
827		1605
828	our $safe = new Safe "safe";	1606	our $safe = new Safe "safe";
829	our $safe_hole = new Safe::Hole;	1607	our $safe_hole = new Safe::Hole;
…		…
836		1614
837	=pod	1615	=pod
838		1616
839	The following fucntions and emthods are available within a safe environment:	1617	The following fucntions and emthods are available within a safe environment:
840		1618
841	cf::object contr pay_amount pay_player	1619	cf::object contr pay_amount pay_player map
842	cf::object::player player	1620	cf::object::player player
843	cf::player peaceful	1621	cf::player peaceful
		1622	cf::map trigger
844		1623
845	=cut	1624	=cut
846		1625
847	for (	1626	for (
848	["cf::object" => qw(contr pay_amount pay_player)],	1627	["cf::object" => qw(contr pay_amount pay_player map)],
849	["cf::object::player" => qw(player)],	1628	["cf::object::player" => qw(player)],
850	["cf::player" => qw(peaceful)],	1629	["cf::player" => qw(peaceful)],
		1630	["cf::map" => qw(trigger)],
851	) {	1631	) {
852	no strict 'refs';	1632	no strict 'refs';
853	my ($pkg, @funs) = @$_;	1633	my ($pkg, @funs) = @$_;
854	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1634	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
855	for @funs;	1635	for @funs;
…		…
965		1745
966	Immediately write the database to disk I<if it is dirty>.	1746	Immediately write the database to disk I<if it is dirty>.
967		1747
968	=cut	1748	=cut
969		1749
		1750	our $DB;
		1751
970	{	1752	{
971	my $db;
972	my $path = cf::localdir . "/database.pst";	1753	my $path = cf::localdir . "/database.pst";
973		1754
974	sub db_load() {	1755	sub db_load() {
975	warn "loading database $path\n";#d# remove later	1756	warn "loading database $path\n";#d# remove later
976	$db = stat $path ? Storable::retrieve $path : { };	1757	$DB = stat $path ? Storable::retrieve $path : { };
977	}	1758	}
978		1759
979	my $pid;	1760	my $pid;
980		1761
981	sub db_save() {	1762	sub db_save() {
982	warn "saving database $path\n";#d# remove later	1763	warn "saving database $path\n";#d# remove later
983	waitpid $pid, 0 if $pid;	1764	waitpid $pid, 0 if $pid;
984	if (0 == ($pid = fork)) {	1765	if (0 == ($pid = fork)) {
985	$db->{_meta}{version} = 1;	1766	$DB->{_meta}{version} = 1;
986	Storable::nstore $db, "$path~";	1767	Storable::nstore $DB, "$path~";
987	rename "$path~", $path;	1768	rename "$path~", $path;
988	cf::_exit 0 if defined $pid;	1769	cf::_exit 0 if defined $pid;
989	}	1770	}
990	}	1771	}
991		1772
…		…
994	sub db_sync() {	1775	sub db_sync() {
995	db_save if $dirty;	1776	db_save if $dirty;
996	undef $dirty;	1777	undef $dirty;
997	}	1778	}
998		1779
999	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1000	db_sync;	1781	db_sync;
1001	});	1782	});
1002		1783
1003	sub db_dirty() {	1784	sub db_dirty() {
1004	$dirty = 1;	1785	$dirty = 1;
1005	$idle->start;	1786	$idle->start;
1006	}	1787	}
1007		1788
1008	sub db_get($;$) {	1789	sub db_get($;$) {
1009	@_ >= 2	1790	@_ >= 2
1010	? $db->{$_[0]}{$_[1]}	1791	? $DB->{$_[0]}{$_[1]}
1011	: ($db->{$_[0]} \|\|= { })	1792	: ($DB->{$_[0]} \|\|= { })
1012	}	1793	}
1013		1794
1014	sub db_put($$;$) {	1795	sub db_put($$;$) {
1015	if (@_ >= 3) {	1796	if (@_ >= 3) {
1016	$db->{$_[0]}{$_[1]} = $_[2];	1797	$DB->{$_[0]}{$_[1]} = $_[2];
1017	} else {	1798	} else {
1018	$db->{$_[0]} = $_[1];	1799	$DB->{$_[0]} = $_[1];
1019	}	1800	}
1020	db_dirty;	1801	db_dirty;
1021	}	1802	}
1022		1803
1023	attach_global	1804	cf::global->attach (
1024	prio => 10000,	1805	prio => 10000,
1025	on_cleanup => sub {	1806	on_cleanup => sub {
1026	db_sync;	1807	db_sync;
1027	},	1808	},
1028	;	1809	);
1029	}	1810	}
1030		1811
1031	#############################################################################	1812	#############################################################################
1032	# the server's main()	1813	# the server's main()
1033		1814
1034	sub load_cfg {	1815	sub cfg_load {
1035	open my $fh, "<:utf8", cf::confdir . "/config"	1816	open my $fh, "<:utf8", cf::confdir . "/config"
1036	or return;	1817	or return;
1037		1818
1038	local $/;	1819	local $/;
1039	*CFG = YAML::Syck::Load <$fh>;	1820	*CFG = YAML::Syck::Load <$fh>;
1040
1041	use Data::Dumper; warn Dumper \%CFG;
1042	}	1821	}
1043		1822
1044	sub main {	1823	sub main {
1045	load_cfg;	1824	# we must not ever block the main coroutine
		1825	local $Coro::idle = sub {
		1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1827	(Coro::unblock_sub {
		1828	Event::one_event;
		1829	})->();
		1830	};
		1831
		1832	cfg_load;
1046	db_load;	1833	db_load;
1047	load_extensions;	1834	load_extensions;
1048	Event::loop;	1835	Event::loop;
1049	}	1836	}
1050		1837
1051	#############################################################################	1838	#############################################################################
1052	# initialisation	1839	# initialisation
1053		1840
1054	sub _perl_reload(&) {	1841	sub reload() {
1055	my ($msg) = @_;	1842	# can/must only be called in main
		1843	if ($Coro::current != $Coro::main) {
		1844	warn "can only reload from main coroutine\n";
		1845	return;
		1846	}
1056		1847
1057	$msg->("reloading...");	1848	warn "reloading...";
		1849
		1850	local $FREEZE = 1;
		1851	cf::emergency_save;
1058		1852
1059	eval {	1853	eval {
		1854	# if anything goes wrong in here, we should simply crash as we already saved
		1855
1060	# cancel all watchers	1856	# cancel all watchers
1061	$_->cancel for Event::all_watchers;	1857	for (Event::all_watchers) {
		1858	$_->cancel if $_->data & WF_AUTOCANCEL;
		1859	}
		1860
		1861	# cancel all extension coros
		1862	$_->cancel for values %EXT_CORO;
		1863	%EXT_CORO = ();
1062		1864
1063	# unload all extensions	1865	# unload all extensions
1064	for (@exts) {	1866	for (@exts) {
1065	$msg->("unloading <$_>");	1867	warn "unloading <$_>";
1066	unload_extension $_;	1868	unload_extension $_;
1067	}	1869	}
1068		1870
1069	# unload all modules loaded from $LIBDIR	1871	# unload all modules loaded from $LIBDIR
1070	while (my ($k, $v) = each %INC) {	1872	while (my ($k, $v) = each %INC) {
1071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1072		1874
1073	$msg->("removing <$k>");	1875	warn "removing <$k>";
1074	delete $INC{$k};	1876	delete $INC{$k};
1075		1877
1076	$k =~ s/\.pm$//;	1878	$k =~ s/\.pm$//;
1077	$k =~ s/\//::/g;	1879	$k =~ s/\//::/g;
1078		1880
…		…
1083	Symbol::delete_package $k;	1885	Symbol::delete_package $k;
1084	}	1886	}
1085		1887
1086	# sync database to disk	1888	# sync database to disk
1087	cf::db_sync;	1889	cf::db_sync;
		1890	IO::AIO::flush;
1088		1891
1089	# get rid of safe::, as good as possible	1892	# get rid of safe::, as good as possible
1090	Symbol::delete_package "safe::$_"	1893	Symbol::delete_package "safe::$_"
1091	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1092		1895
1093	# remove register_script_function callbacks	1896	# remove register_script_function callbacks
1094	# TODO	1897	# TODO
1095		1898
1096	# unload cf.pm "a bit"	1899	# unload cf.pm "a bit"
…		…
1099	# don't, removes xs symbols, too,	1902	# don't, removes xs symbols, too,
1100	# and global variables created in xs	1903	# and global variables created in xs
1101	#Symbol::delete_package __PACKAGE__;	1904	#Symbol::delete_package __PACKAGE__;
1102		1905
1103	# reload cf.pm	1906	# reload cf.pm
1104	$msg->("reloading cf.pm");	1907	warn "reloading cf.pm";
1105	require cf;	1908	require cf;
		1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1106		1910
1107	# load database again	1911	# load config and database again
		1912	cf::cfg_load;
1108	cf::db_load;	1913	cf::db_load;
1109		1914
1110	# load extensions	1915	# load extensions
1111	$msg->("load extensions");	1916	warn "load extensions";
1112	cf::load_extensions;	1917	cf::load_extensions;
1113		1918
1114	# reattach attachments to objects	1919	# reattach attachments to objects
1115	$msg->("reattach");	1920	warn "reattach";
1116	_global_reattach;	1921	_global_reattach;
1117	};	1922	};
1118	$msg->($@) if $@;
1119		1923
1120	$msg->("reloaded");	1924	if ($@) {
		1925	warn $@;
		1926	warn "error while reloading, exiting.";
		1927	exit 1;
		1928	}
		1929
		1930	warn "reloaded successfully";
1121	};	1931	};
1122		1932
1123	sub perl_reload() {	1933	#############################################################################
1124	_perl_reload {
1125	warn $_[0];
1126	print "$_[0]\n";
1127	};
1128	}
1129		1934
		1935	unless ($LINK_MAP) {
		1936	$LINK_MAP = cf::map::new;
		1937
		1938	$LINK_MAP->width (41);
		1939	$LINK_MAP->height (41);
		1940	$LINK_MAP->alloc;
		1941	$LINK_MAP->path ("{link}");
		1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1944
		1945	# dirty hack because... archetypes are not yet loaded
		1946	Event->timer (
		1947	after => 2,
		1948	cb => sub {
		1949	$_[0]->w->cancel;
		1950
		1951	# provide some exits "home"
		1952	my $exit = cf::object::new "exit";
		1953
		1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1957
		1958	$LINK_MAP->insert ($exit->clone, 19, 19);
		1959	$LINK_MAP->insert ($exit->clone, 19, 20);
		1960	$LINK_MAP->insert ($exit->clone, 19, 21);
		1961	$LINK_MAP->insert ($exit->clone, 20, 19);
		1962	$LINK_MAP->insert ($exit->clone, 20, 21);
		1963	$LINK_MAP->insert ($exit->clone, 21, 19);
		1964	$LINK_MAP->insert ($exit->clone, 21, 20);
		1965	$LINK_MAP->insert ($exit->clone, 21, 21);
		1966
		1967	$exit->destroy;
		1968	});
		1969
		1970	$LINK_MAP->{deny_save} = 1;
		1971	$LINK_MAP->{deny_reset} = 1;
		1972
		1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
		1974	}
		1975
		1976	register "<global>", __PACKAGE__;
		1977
1130	register_command "perl-reload", 0, sub {	1978	register_command "reload" => sub {
1131	my ($who, $arg) = @_;	1979	my ($who, $arg) = @_;
1132		1980
1133	if ($who->flag (FLAG_WIZ)) {	1981	if ($who->flag (FLAG_WIZ)) {
1134	_perl_reload {	1982	$who->message ("start of reload.");
1135	warn $_[0];	1983	reload;
1136	$who->message ($_[0]);	1984	$who->message ("end of reload.");
1137	};
1138	}	1985	}
1139	};	1986	};
1140		1987
1141	register "<global>", __PACKAGE__;
1142
1143	unshift @INC, $LIBDIR;	1988	unshift @INC, $LIBDIR;
1144		1989
1145	$TICK_WATCHER = Event->timer (	1990	$TICK_WATCHER = Event->timer (
		1991	reentrant => 0,
1146	prio => 1,	1992	prio => 0,
1147	at => $NEXT_TICK \|\| 1,	1993	at => $NEXT_TICK \|\| $TICK,
		1994	data => WF_AUTOCANCEL,
1148	cb => sub {	1995	cb => sub {
		1996	unless ($FREEZE) {
1149	cf::server_tick; # one server iteration	1997	cf::server_tick; # one server iteration
		1998	$RUNTIME += $TICK;
		1999	}
1150		2000
1151	my $NOW = Event::time;
1152	$NEXT_TICK += $TICK;	2001	$NEXT_TICK += $TICK;
1153		2002
1154	# if we are delayed by four ticks, skip them all	2003	# if we are delayed by four ticks or more, skip them all
1155	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1156		2005
1157	$TICK_WATCHER->at ($NEXT_TICK);	2006	$TICK_WATCHER->at ($NEXT_TICK);
1158	$TICK_WATCHER->start;	2007	$TICK_WATCHER->start;
1159	},	2008	},
1160	);	2009	);
1161		2010
		2011	IO::AIO::max_poll_time $TICK * 0.2;
		2012
		2013	Event->io (
		2014	fd => IO::AIO::poll_fileno,
		2015	poll => 'r',
		2016	prio => 5,
		2017	data => WF_AUTOCANCEL,
		2018	cb => \&IO::AIO::poll_cb,
		2019	);
		2020
		2021	Event->timer (
		2022	data => WF_AUTOCANCEL,
		2023	after => 0,
		2024	interval => 10,
		2025	cb => sub {
		2026	(Coro::unblock_sub {
		2027	write_runtime
		2028	or warn "ERROR: unable to write runtime file: $!";
		2029	})->();
		2030	},
		2031	);
		2032
1162	1	2033	1
1163		2034

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.72 by root, Sun Oct 1 11:41:37 2006 UTC vs. Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.72 by root, Sun Oct 1 11:41:37 2006 UTC vs.
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC