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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.74 by root, Sun Oct 1 15:59:29 2006 UTC vs.
Revision 1.112 by root, Mon Jan 1 13:31:47 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 ($job) = @_;
		201
		202	if ($Coro::current == $Coro::main) {
		203	# this is the main coro, too bad, we have to block
		204	# till the operation succeeds, freezing the server :/
		205
		206	# TODO: use suspend/resume instead
		207	# (but this is cancel-safe)
		208	local $FREEZE = 1;
		209
		210	my $busy = 1;
		211	my @res;
		212
		213	(Coro::async {
		214	@res = eval { $job->() };
		215	warn $@ if $@;
		216	undef $busy;
		217	})->prio (Coro::PRIO_MAX);
		218
		219	while ($busy) {
		220	Coro::cede_notself;
		221	Event::one_event unless Coro::nready;
		222	}
		223
		224	wantarray ? @res : $res[0]
		225	} else {
		226	# we are in another coroutine, how wonderful, everything just works
		227
		228	$job->()
		229	}
		230	}
		231
		232	=item $coro = cf::coro { BLOCK }
		233
		234	Creates and returns a new coro. This coro is automcatially being canceled
		235	when the extension calling this is being unloaded.
		236
		237	=cut
		238
		239	sub coro(&) {
		240	my $cb = shift;
		241
		242	my $coro; $coro = async {
		243	eval {
		244	$cb->();
		245	};
		246	warn $@ if $@;
		247	};
		248
		249	$coro->on_destroy (sub {
		250	delete $EXT_CORO{$coro+0};
		251	});
		252	$EXT_CORO{$coro+0} = $coro;
		253
		254	$coro
		255	}
		256
		257	sub write_runtime {
		258	my $runtime = cf::localdir . "/runtime";
		259
		260	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		261	or return;
		262
		263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		265	and return;
		266
		267	aio_fsync $fh
		268	and return;
		269
		270	close $fh
		271	or return;
		272
		273	aio_rename "$runtime~", $runtime
		274	and return;
		275
		276	1
		277	}
		278
116	=back	279	=back
117		280
118	=cut	281	=cut
119		282
120	#############################################################################	283	#############################################################################
121		284
122	=head2 EVENTS AND OBJECT ATTACHMENTS	285	package cf::path;
		286
		287	sub new {
		288	my ($class, $path, $base) = @_;
		289
		290	$path = $path->as_string if ref $path;
		291
		292	my $self = bless { }, $class;
		293
		294	if ($path =~ s{^\?random/}{}) {
		295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		296	$self->{random} = cf::from_json $data;
		297	} else {
		298	if ($path =~ s{^~([^/]+)?}{}) {
		299	$self->{user_rel} = 1;
		300
		301	if (defined $1) {
		302	$self->{user} = $1;
		303	} elsif ($base =~ m{^~([^/]+)/}) {
		304	$self->{user} = $1;
		305	} else {
		306	warn "cannot resolve user-relative path without user <$path,$base>\n";
		307	}
		308	} elsif ($path =~ /^\//) {
		309	# already absolute
		310	} else {
		311	$base =~ s{[^/]+/?$}{};
		312	return $class->new ("$base/$path");
		313	}
		314
		315	for ($path) {
		316	redo if s{/\.?/}{/};
		317	redo if s{/[^/]+/\.\./}{/};
		318	}
		319	}
		320
		321	$self->{path} = $path;
		322
		323	$self
		324	}
		325
		326	# the name / primary key / in-game path
		327	sub as_string {
		328	my ($self) = @_;
		329
		330	$self->{user_rel} ? "~$self->{user}$self->{path}"
		331	: $self->{random} ? "?random/$self->{path}"
		332	: $self->{path}
		333	}
		334
		335	# the displayed name, this is a one way mapping
		336	sub visible_name {
		337	my ($self) = @_;
		338
		339	# if (my $rmp = $self->{random}) {
		340	# # todo: be more intelligent about this
		341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		342	# } else {
		343	$self->as_string
		344	# }
		345	}
		346
		347	# escape the /'s in the path
		348	sub _escaped_path {
		349	# ∕ is U+2215
		350	(my $path = $_[0]{path}) =~ s/\//∕/g;
		351	$path
		352	}
		353
		354	# the original (read-only) location
		355	sub load_path {
		356	my ($self) = @_;
		357
		358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		359	}
		360
		361	# the temporary/swap location
		362	sub save_path {
		363	my ($self) = @_;
		364
		365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		368	}
		369
		370	# the unique path, might be eq to save_path
		371	sub uniq_path {
		372	my ($self) = @_;
		373
		374	$self->{user_rel} \|\| $self->{random}
		375	? undef
		376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		377	}
		378
		379	# return random map parameters, or undef
		380	sub random_map_params {
		381	my ($self) = @_;
		382
		383	$self->{random}
		384	}
		385
		386	# this is somewhat ugly, but style maps do need special treatment
		387	sub is_style_map {
		388	$_[0]{path} =~ m{^/styles/}
		389	}
		390
		391	package cf;
		392
		393	#############################################################################
		394
		395	=head2 ATTACHABLE OBJECTS
		396
		397	Many objects in crossfire are so-called attachable objects. That means you can
		398	attach callbacks/event handlers (a collection of which is called an "attachment")
		399	to it. All such attachable objects support the following methods.
		400
		401	In the following description, CLASS can be any of C<global>, C<object>
		402	C<player>, C<client> or C<map> (i.e. the attachable objects in
		403	crossfire+).
123		404
124	=over 4	405	=over 4
125		406
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...)	407	=item $attachable->attach ($attachment, key => $value...)
139		408
140	=item $map->detach ($attachment)	409	=item $attachable->detach ($attachment)
141		410
142	Attach/detach a pre-registered attachment to a map.	411	Attach/detach a pre-registered attachment to a specific object and give it
		412	the specified key/value pairs as arguments.
143		413
144	=item $bool = $object->attached ($name)	414	Example, attach a minesweeper attachment to the given object, making it a
		415	10x10 minesweeper game:
145		416
146	=item $bool = $player->attached ($name)	417	$obj->attach (minesweeper => width => 10, height => 10);
147		418
148	=item $bool = $map->attached ($name)	419	=item $bool = $attachable->attached ($name)
149		420
150	Checks wether the named attachment is currently attached to the object.	421	Checks wether the named attachment is currently attached to the object.
151		422
152	=item cf::attach_global ...	423	=item cf::CLASS->attach ...
153		424
154	Attach handlers for global events.	425	=item cf::CLASS->detach ...
155		426
156	This and all following C<attach_*>-functions expect any number of the	427	Define an anonymous attachment and attach it to all objects of the given
157	following handler/hook descriptions:	428	CLASS. See the next function for an explanation of its arguments.
		429
		430	You can attach to global events by using the C<cf::global> class.
		431
		432	Example, log all player logins:
		433
		434	cf::player->attach (
		435	on_login => sub {
		436	my ($pl) = @_;
		437	...
		438	},
		439	);
		440
		441	Example, attach to the jeweler skill:
		442
		443	cf::object->attach (
		444	type => cf::SKILL,
		445	subtype => cf::SK_JEWELER,
		446	on_use_skill => sub {
		447	my ($sk, $ob, $part, $dir, $msg) = @_;
		448	...
		449	},
		450	);
		451
		452	=item cf::CLASS::attachment $name, ...
		453
		454	Register an attachment by C<$name> through which attachable objects of the
		455	given CLASS can refer to this attachment.
		456
		457	Some classes such as crossfire maps and objects can specify attachments
		458	that are attached at load/instantiate time, thus the need for a name.
		459
		460	These calls expect any number of the following handler/hook descriptions:
158		461
159	=over 4	462	=over 4
160		463
161	=item prio => $number	464	=item prio => $number
162		465
…		…
164	by another C<prio> setting). Lower priority handlers get executed	467	by another C<prio> setting). Lower priority handlers get executed
165	earlier. The default priority is C<0>, and many built-in handlers are	468	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	469	registered at priority C<-1000>, so lower priorities should not be used
167	unless you know what you are doing.	470	unless you know what you are doing.
168		471
		472	=item type => $type
		473
		474	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		475	given type of objects only (the additional parameter C<subtype> can be
		476	used to further limit to the given subtype).
		477
169	=item on_I<event> => \&cb	478	=item on_I<event> => \&cb
170		479
171	Call the given code reference whenever the named event happens (event is	480	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	481	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	482	handlers are recognised generally depends on the type of object these
…		…
182	package and register them. Only handlers for eevents supported by the	491	package and register them. Only handlers for eevents supported by the
183	object/class are recognised.	492	object/class are recognised.
184		493
185	=back	494	=back
186		495
187	=item cf::attach_to_type $object_type, $subtype, ...	496	Example, define an attachment called "sockpuppet" that calls the given
		497	event handler when a monster attacks:
188		498
189	Attach handlers for a specific object type (e.g. TRANSPORT) and	499	cf::object::attachment sockpuppet =>
190	subtype. If C<$subtype> is zero or undef, matches all objects of the given	500	on_skill_attack => sub {
191	type.	501	my ($self, $victim) = @_;
192		502	...
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	}	503	}
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	504	}
414	}
415		505
416	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	506	=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		507
442	Just because you have a perl object does not mean that the corresponding	508	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	509	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	510	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	511	can be used to test for existence of the C object part without causing an
446	exception.	512	exception.
447		513
		514	=cut
		515
		516	# the following variables are defined in .xs and must not be re-created
		517	our @CB_GLOBAL = (); # registry for all global events
		518	our @CB_ATTACHABLE = (); # registry for all attachables
		519	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		520	our @CB_PLAYER = ();
		521	our @CB_CLIENT = ();
		522	our @CB_TYPE = (); # registry for type (cf-object class) based events
		523	our @CB_MAP = ();
		524
		525	my %attachment;
		526
		527	sub _attach_cb($$$$) {
		528	my ($registry, $event, $prio, $cb) = @_;
		529
		530	use sort 'stable';
		531
		532	$cb = [$prio, $cb];
		533
		534	@{$registry->[$event]} = sort
		535	{ $a->[0] cmp $b->[0] }
		536	@{$registry->[$event] \|\| []}, $cb;
		537	}
		538
		539	# hack
		540	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		541
		542	# attach handles attaching event callbacks
		543	# the only thing the caller has to do is pass the correct
		544	# registry (== where the callback attaches to).
		545	sub _attach {
		546	my ($registry, $klass, @arg) = @_;
		547
		548	my $object_type;
		549	my $prio = 0;
		550	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		551
		552	#TODO: get rid of this hack
		553	if ($attachable_klass{$klass}) {
		554	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		555	}
		556
		557	while (@arg) {
		558	my $type = shift @arg;
		559
		560	if ($type eq "prio") {
		561	$prio = shift @arg;
		562
		563	} elsif ($type eq "type") {
		564	$object_type = shift @arg;
		565	$registry = $CB_TYPE[$object_type] \|\|= [];
		566
		567	} elsif ($type eq "subtype") {
		568	defined $object_type or Carp::croak "subtype specified without type";
		569	my $object_subtype = shift @arg;
		570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];
		571
		572	} elsif ($type eq "package") {
		573	my $pkg = shift @arg;
		574
		575	while (my ($name, $id) = each %cb_id) {
		576	if (my $cb = $pkg->can ($name)) {
		577	_attach_cb $registry, $id, $prio, $cb;
		578	}
		579	}
		580
		581	} elsif (exists $cb_id{$type}) {
		582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		583
		584	} elsif (ref $type) {
		585	warn "attaching objects not supported, ignoring.\n";
		586
		587	} else {
		588	shift @arg;
		589	warn "attach argument '$type' not supported, ignoring.\n";
		590	}
		591	}
		592	}
		593
		594	sub _object_attach {
		595	my ($obj, $name, %arg) = @_;
		596
		597	return if exists $obj->{_attachment}{$name};
		598
		599	if (my $attach = $attachment{$name}) {
		600	my $registry = $obj->registry;
		601
		602	for (@$attach) {
		603	my ($klass, @attach) = @$_;
		604	_attach $registry, $klass, @attach;
		605	}
		606
		607	$obj->{$name} = \%arg;
		608	} else {
		609	warn "object uses attachment '$name' that is not available, postponing.\n";
		610	}
		611
		612	$obj->{_attachment}{$name} = undef;
		613	}
		614
		615	sub cf::attachable::attach {
		616	if (ref $_[0]) {
		617	_object_attach @_;
		618	} else {
		619	_attach shift->_attach_registry, @_;
		620	}
		621	};
		622
		623	# all those should be optimised
		624	sub cf::attachable::detach {
		625	my ($obj, $name) = @_;
		626
		627	if (ref $obj) {
		628	delete $obj->{_attachment}{$name};
		629	reattach ($obj);
		630	} else {
		631	Carp::croak "cannot, currently, detach class attachments";
		632	}
		633	};
		634
		635	sub cf::attachable::attached {
		636	my ($obj, $name) = @_;
		637
		638	exists $obj->{_attachment}{$name}
		639	}
		640
		641	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		642	eval "#line " . __LINE__ . " 'cf.pm'
		643	sub cf::\L$klass\E::_attach_registry {
		644	(\\\@CB_$klass, KLASS_$klass)
		645	}
		646
		647	sub cf::\L$klass\E::attachment {
		648	my \$name = shift;
		649
		650	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		651	}
		652	";
		653	die if $@;
		654	}
		655
		656	our $override;
		657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		658
		659	sub override {
		660	$override = 1;
		661	@invoke_results = ();
		662	}
		663
		664	sub do_invoke {
		665	my $event = shift;
		666	my $callbacks = shift;
		667
		668	@invoke_results = ();
		669
		670	local $override;
		671
		672	for (@$callbacks) {
		673	eval { &{$_->[1]} };
		674
		675	if ($@) {
		676	warn "$@";
		677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		678	override;
		679	}
		680
		681	return 1 if $override;
		682	}
		683
		684	0
		685	}
		686
		687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		688
		689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		690
		691	Generate an object-specific event with the given arguments.
		692
		693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		694	removed in future versions), and there is no public API to access override
		695	results (if you must, access C<@cf::invoke_results> directly).
		696
448	=back	697	=back
449		698
450	=cut	699	=cut
451
452	*cf::object::valid =
453	*cf::player::valid =
454	*cf::map::valid = \&cf::_valid;
455		700
456	#############################################################################	701	#############################################################################
457	# object support	702	# object support
458		703
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 {	704	sub reattach {
		705	# basically do the same as instantiate, without calling instantiate
473	my ($obj) = @_;	706	my ($obj) = @_;
		707
474	my $registry = $obj->registry;	708	my $registry = $obj->registry;
475		709
476	@$registry = ();	710	@$registry = ();
477		711
478	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	712	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
479		713
480	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	714	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
481	if (my $attach = $attachment{$name}) {	715	if (my $attach = $attachment{$name}) {
482	for (@$attach) {	716	for (@$attach) {
483	my ($klass, @attach) = @$_;	717	my ($klass, @attach) = @$_;
484	_attach @$registry, $klass, @attach;	718	_attach $registry, $klass, @attach;
485	}	719	}
486	} else {	720	} else {
487	warn "object uses attachment '$name' that is not available, postponing.\n";	721	warn "object uses attachment '$name' that is not available, postponing.\n";
488	}	722	}
489	}	723	}
490	}	724	}
491		725
492	sub object_freezer_save {	726	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, $av);
537	}
538
539	()
540	}
541
542	attach_to_objects
543	prio => -1000000,	727	prio => -1000000,
		728	on_instantiate => sub {
		729	my ($obj, $data) = @_;
		730
		731	$data = from_json $data;
		732
		733	for (@$data) {
		734	my ($name, $args) = @$_;
		735
		736	$obj->attach ($name, %{$args \|\| {} });
		737	}
		738	},
		739	on_reattach => \&reattach,
544	on_clone => sub {	740	on_clone => sub {
545	my ($src, $dst) = @_;	741	my ($src, $dst) = @_;
546		742
547	@{$dst->registry} = @{$src->registry};	743	@{$dst->registry} = @{$src->registry};
548		744
549	%$dst = %$src;	745	%$dst = %$src;
550		746
551	%{$dst->{_attachment}} = %{$src->{_attachment}}	747	%{$dst->{_attachment}} = %{$src->{_attachment}}
552	if exists $src->{_attachment};	748	if exists $src->{_attachment};
553	},	749	},
554	;	750	);
		751
		752	sub object_freezer_save {
		753	my ($filename, $rdata, $objs) = @_;
		754
		755	sync_job {
		756	if (length $$rdata) {
		757	warn sprintf "saving %s (%d,%d)\n",
		758	$filename, length $$rdata, scalar @$objs;
		759
		760	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		761	chmod SAVE_MODE, $fh;
		762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		763	aio_fsync $fh;
		764	close $fh;
		765
		766	if (@$objs) {
		767	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		768	chmod SAVE_MODE, $fh;
		769	my $data = Storable::nfreeze { version => 1, objs => $objs };
		770	aio_write $fh, 0, (length $data), $data, 0;
		771	aio_fsync $fh;
		772	close $fh;
		773	aio_rename "$filename.pst~", "$filename.pst";
		774	}
		775	} else {
		776	aio_unlink "$filename.pst";
		777	}
		778
		779	aio_rename "$filename~", $filename;
		780	} else {
		781	warn "FATAL: $filename~: $!\n";
		782	}
		783	} else {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
		787	}
		788	}
		789
		790	sub object_freezer_as_string {
		791	my ($rdata, $objs) = @_;
		792
		793	use Data::Dumper;
		794
		795	$$rdata . Dumper $objs
		796	}
		797
		798	sub object_thawer_load {
		799	my ($filename) = @_;
		800
		801	my ($data, $av);
		802
		803	(aio_load $filename, $data) >= 0
		804	or return;
		805
		806	unless (aio_stat "$filename.pst") {
		807	(aio_load "$filename.pst", $av) >= 0
		808	or return;
		809	$av = eval { (Storable::thaw <$av>)->{objs} };
		810	}
		811
		812	return ($data, $av);
		813	}
555		814
556	#############################################################################	815	#############################################################################
557	# old plug-in events	816	# command handling &c
558		817
559	sub inject_event {	818	=item cf::register_command $name => \&callback($ob,$args);
560	my $extension = shift;
561	my $event_code = shift;
562		819
563	my $cb = $hook[$event_code]{$extension}	820	Register a callback for execution when the client sends the user command
564	or return;	821	$name.
565		822
566	&$cb	823	=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		824
588	sub register_command {	825	sub register_command {
589	my ($name, $time, $cb) = @_;	826	my ($name, $cb) = @_;
590		827
591	my $caller = caller;	828	my $caller = caller;
592	#warn "registering command '$name/$time' to '$caller'";	829	#warn "registering command '$name/$time' to '$caller'";
593		830
594	push @{ $command{$name} }, [$time, $cb, $caller];	831	push @{ $COMMAND{$name} }, [$caller, $cb];
595	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
596	}	832	}
		833
		834	=item cf::register_extcmd $name => \&callback($pl,$packet);
		835
		836	Register a callbackf ro execution when the client sends an extcmd packet.
		837
		838	If the callback returns something, it is sent back as if reply was being
		839	called.
		840
		841	=cut
597		842
598	sub register_extcmd {	843	sub register_extcmd {
599	my ($name, $cb) = @_;	844	my ($name, $cb) = @_;
600		845
601	my $caller = caller;	846	my $caller = caller;
602	#warn "registering extcmd '$name' to '$caller'";	847	#warn "registering extcmd '$name' to '$caller'";
603		848
604	$extcmd{$name} = [$cb, $caller];	849	$EXTCMD{$name} = [$cb, $caller];
605	}	850	}
		851
		852	cf::player->attach (
		853	on_command => sub {
		854	my ($pl, $name, $params) = @_;
		855
		856	my $cb = $COMMAND{$name}
		857	or return;
		858
		859	for my $cmd (@$cb) {
		860	$cmd->[1]->($pl->ob, $params);
		861	}
		862
		863	cf::override;
		864	},
		865	on_extcmd => sub {
		866	my ($pl, $buf) = @_;
		867
		868	my $msg = eval { from_json $buf };
		869
		870	if (ref $msg) {
		871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
		872	if (my %reply = $cb->[0]->($pl, $msg)) {
		873	$pl->ext_reply ($msg->{msgid}, %reply);
		874	}
		875	}
		876	} else {
		877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		878	}
		879
		880	cf::override;
		881	},
		882	);
606		883
607	sub register {	884	sub register {
608	my ($base, $pkg) = @_;	885	my ($base, $pkg) = @_;
609		886
610	#TODO	887	#TODO
…		…
629	. "#line 1 \"$path\"\n{\n"	906	. "#line 1 \"$path\"\n{\n"
630	. (do { local $/; <$fh> })	907	. (do { local $/; <$fh> })
631	. "\n};\n1";	908	. "\n};\n1";
632		909
633	eval $source	910	eval $source
634	or die "$path: $@";	911	or die $@ ? "$path: $@\n"
		912	: "extension disabled.\n";
635		913
636	push @exts, $pkg;	914	push @exts, $pkg;
637	$ext_pkg{$base} = $pkg;	915	$ext_pkg{$base} = $pkg;
638		916
639	# no strict 'refs';	917	# no strict 'refs';
…		…
652	# for my $idx (0 .. $#PLUGIN_EVENT) {	930	# for my $idx (0 .. $#PLUGIN_EVENT) {
653	# delete $hook[$idx]{$pkg};	931	# delete $hook[$idx]{$pkg};
654	# }	932	# }
655		933
656	# remove commands	934	# remove commands
657	for my $name (keys %command) {	935	for my $name (keys %COMMAND) {
658	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
659		937
660	if (@cb) {	938	if (@cb) {
661	$command{$name} = \@cb;	939	$COMMAND{$name} = \@cb;
662	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
663	} else {	940	} else {
664	delete $command{$name};
665	delete $COMMAND{"$name\000"};	941	delete $COMMAND{$name};
666	}	942	}
667	}	943	}
668		944
669	# remove extcmds	945	# remove extcmds
670	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
671	delete $extcmd{$name};	947	delete $EXTCMD{$name};
672	}	948	}
673		949
674	if (my $cb = $pkg->can ("unload")) {	950	if (my $cb = $pkg->can ("unload")) {
675	eval {	951	eval {
676	$cb->($pkg);	952	$cb->($pkg);
…		…
680		956
681	Symbol::delete_package $pkg;	957	Symbol::delete_package $pkg;
682	}	958	}
683		959
684	sub load_extensions {	960	sub load_extensions {
685	my $LIBDIR = maps_directory "perl";
686
687	for my $ext (<$LIBDIR/*.ext>) {	961	for my $ext (<$LIBDIR/*.ext>) {
688	next unless -r $ext;	962	next unless -r $ext;
689	eval {	963	eval {
690	load_extension $ext;	964	load_extension $ext;
691	1	965	1
692	} or warn "$ext not loaded: $@";	966	} or warn "$ext not loaded: $@";
693	}	967	}
694	}	968	}
695		969
696	#############################################################################	970	#############################################################################
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	971	# load/save/clean perl data associated with a map
722		972
723	*cf::mapsupport::on_clean = sub {	973	*cf::mapsupport::on_clean = sub {
724	my ($map) = @_;	974	my ($map) = @_;
725		975
…		…
727	defined $path or return;	977	defined $path or return;
728		978
729	unlink "$path.pst";	979	unlink "$path.pst";
730	};	980	};
731		981
732	attach_to_maps prio => -10000, package => cf::mapsupport::;	982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
733		983
734	#############################################################################	984	#############################################################################
735	# load/save perl data associated with player->ob objects	985	# load/save perl data associated with player->ob objects
736		986
737	sub all_objects(@) {	987	sub all_objects(@) {
738	@_, map all_objects ($_->inv), @_	988	@_, map all_objects ($_->inv), @_
739	}	989	}
740		990
741	# TODO: compatibility cruft, remove when no longer needed	991	# TODO: compatibility cruft, remove when no longer needed
742	attach_to_players	992	cf::player->attach (
743	on_load => sub {	993	on_load => sub {
744	my ($pl, $path) = @_;	994	my ($pl, $path) = @_;
745		995
746	for my $o (all_objects $pl->ob) {	996	for my $o (all_objects $pl->ob) {
747	if (my $value = $o->get_ob_key_value ("_perl_data")) {	997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
749		999
750	%$o = %{ Storable::thaw pack "H*", $value };	1000	%$o = %{ Storable::thaw pack "H*", $value };
751	}	1001	}
752	}	1002	}
753	},	1003	},
754	;	1004	);
755		1005
756	#############################################################################	1006	#############################################################################
757		1007
758	=head2 CORE EXTENSIONS	1008	=head2 CORE EXTENSIONS
759		1009
760	Functions and methods that extend core crossfire objects.	1010	Functions and methods that extend core crossfire objects.
		1011
		1012	=head3 cf::player
761		1013
762	=over 4	1014	=over 4
763		1015
764	=item cf::player::exists $login	1016	=item cf::player::exists $login
765		1017
…		…
770	sub cf::player::exists($) {	1022	sub cf::player::exists($) {
771	cf::player::find $_[0]	1023	cf::player::find $_[0]
772	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
773	}	1025	}
774		1026
		1027	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1028
		1029	Sends an ext reply to the player.
		1030
		1031	=cut
		1032
		1033	sub cf::player::ext_reply($$$%) {
		1034	my ($self, $id, %msg) = @_;
		1035
		1036	$msg{msgid} = $id;
		1037
		1038	$self->send ("ext " . to_json \%msg);
		1039	}
		1040
		1041	=back
		1042
		1043
		1044	=head3 cf::map
		1045
		1046	=over 4
		1047
		1048	=cut
		1049
		1050	package cf::map;
		1051
		1052	use Fcntl;
		1053	use Coro::AIO;
		1054
		1055	our $MAX_RESET = 7200;
		1056	our $DEFAULT_RESET = 3600;
		1057
		1058	sub generate_random_map {
		1059	my ($path, $rmp) = @_;
		1060
		1061	# mit "rum" bekleckern, nicht
		1062	cf::map::_create_random_map
		1063	$path,
		1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1067	$rmp->{exit_on_final_map},
		1068	$rmp->{xsize}, $rmp->{ysize},
		1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1074	(cf::region::find $rmp->{region})
		1075	}
		1076
		1077	# and all this just because we cannot iterate over
		1078	# all maps in C++...
		1079	sub change_all_map_light {
		1080	my ($change) = @_;
		1081
		1082	$_->change_map_light ($change) for values %cf::MAP;
		1083	}
		1084
		1085	sub try_load_header($) {
		1086	my ($path) = @_;
		1087
		1088	utf8::encode $path;
		1089	aio_open $path, O_RDONLY, 0
		1090	or return;
		1091
		1092	my $map = cf::map::new
		1093	or return;
		1094
		1095	$map->load_header ($path)
		1096	or return;
		1097
		1098	$map->{load_path} = $path;
		1099
		1100	$map
		1101	}
		1102
		1103	sub find_map {
		1104	my ($path, $origin) = @_;
		1105
		1106	#warn "find_map<$path,$origin>\n";#d#
		1107
		1108	$path = new cf::path $path, $origin && $origin->path;
		1109	my $key = $path->as_string;
		1110
		1111	$cf::MAP{$key} \|\| do {
		1112	# do it the slow way
		1113	my $map = try_load_header $path->save_path;
		1114
		1115	if ($map) {
		1116	# safety
		1117	$map->{instantiate_time} = $cf::RUNTIME
		1118	if $map->{instantiate_time} > $cf::RUNTIME;
		1119	} else {
		1120	if (my $rmp = $path->random_map_params) {
		1121	$map = generate_random_map $key, $rmp;
		1122	} else {
		1123	$map = try_load_header $path->load_path;
		1124	}
		1125
		1126	$map or return;
		1127
		1128	$map->{load_original} = 1;
		1129	$map->{instantiate_time} = $cf::RUNTIME;
		1130	$map->instantiate;
		1131
		1132	# per-player maps become, after loading, normal maps
		1133	$map->per_player (0) if $path->{user_rel};
		1134	}
		1135
		1136	$map->path ($key);
		1137	$map->{path} = $path;
		1138	$map->last_access ($cf::RUNTIME);
		1139
		1140	if ($map->should_reset) {
		1141	$map->reset;
		1142	$map = find_map $path;
		1143	}
		1144
		1145	$cf::MAP{$key} = $map
		1146	}
		1147	}
		1148
		1149	sub load {
		1150	my ($self) = @_;
		1151
		1152	return if $self->in_memory != cf::MAP_SWAPPED;
		1153
		1154	$self->in_memory (cf::MAP_LOADING);
		1155
		1156	my $path = $self->{path};
		1157
		1158	$self->alloc;
		1159	$self->load_objects ($self->{load_path}, 1)
		1160	or return;
		1161
		1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1163	if delete $self->{load_original};
		1164
		1165	if (my $uniq = $path->uniq_path) {
		1166	utf8::encode $uniq;
		1167	if (aio_open $uniq, O_RDONLY, 0) {
		1168	$self->clear_unique_items;
		1169	$self->load_objects ($uniq, 0);
		1170	}
		1171	}
		1172
		1173	# now do the right thing for maps
		1174	$self->link_multipart_objects;
		1175
		1176	if ($self->{path}->is_style_map) {
		1177	$self->{deny_save} = 1;
		1178	$self->{deny_reset} = 1;
		1179	} else {
		1180	$self->fix_auto_apply;
		1181	$self->decay_objects;
		1182	$self->update_buttons;
		1183	$self->set_darkness_map;
		1184	$self->difficulty ($self->estimate_difficulty)
		1185	unless $self->difficulty;
		1186	$self->activate;
		1187	}
		1188
		1189	$self->in_memory (cf::MAP_IN_MEMORY);
		1190	}
		1191
		1192	sub load_map_sync {
		1193	my ($path, $origin) = @_;
		1194
		1195	#warn "load_map_sync<$path, $origin>\n";#d#
		1196
		1197	cf::sync_job {
		1198	my $map = cf::map::find_map $path, $origin
		1199	or return;
		1200	$map->load;
		1201	$map
		1202	}
		1203	}
		1204
		1205	sub save {
		1206	my ($self) = @_;
		1207
		1208	my $save = $self->{path}->save_path; utf8::encode $save;
		1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1210
		1211	$self->{last_save} = $cf::RUNTIME;
		1212
		1213	return unless $self->dirty;
		1214
		1215	$self->{load_path} = $save;
		1216
		1217	return if $self->{deny_save};
		1218
		1219	if ($uniq) {
		1220	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1221	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1222	} else {
		1223	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1224	}
		1225	}
		1226
		1227	sub swap_out {
		1228	my ($self) = @_;
		1229
		1230	return if $self->players;
		1231	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1232	return if $self->{deny_save};
		1233
		1234	$self->save;
		1235	$self->clear;
		1236	$self->in_memory (cf::MAP_SWAPPED);
		1237	}
		1238
		1239	sub reset_at {
		1240	my ($self) = @_;
		1241
		1242	# TODO: safety, remove and allow resettable per-player maps
		1243	return 1e100 if $self->{path}{user_rel};
		1244	return 1e100 if $self->{deny_reset};
		1245
		1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1247	my $to = $self->reset_timeout \|\| $DEFAULT_RESET;
		1248	$to = $MAX_RESET if $to > $MAX_RESET;
		1249
		1250	$time + $to
		1251	}
		1252
		1253	sub should_reset {
		1254	my ($self) = @_;
		1255
		1256	$self->reset_at <= $cf::RUNTIME
		1257	}
		1258
		1259	sub unlink_save {
		1260	my ($self) = @_;
		1261
		1262	utf8::encode (my $save = $self->{path}->save_path);
		1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1265	}
		1266
		1267	sub reset {
		1268	my ($self) = @_;
		1269
		1270	return if $self->players;
		1271	return if $self->{path}{user_rel};#d#
		1272
		1273	warn "resetting map ", $self->path;#d#
		1274
		1275	delete $cf::MAP{$self->path};
		1276
		1277	$_->clear_links_to ($self) for values %cf::MAP;
		1278
		1279	$self->unlink_save;
		1280	$self->destroy;
		1281	}
		1282
		1283	sub customise_for {
		1284	my ($map, $ob) = @_;
		1285
		1286	if ($map->per_player) {
		1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1288	}
		1289
		1290	$map
		1291	}
		1292
		1293	sub emergency_save {
		1294	local $cf::FREEZE = 1;
		1295
		1296	warn "enter emergency map save\n";
		1297
		1298	cf::sync_job {
		1299	warn "begin emergency map save\n";
		1300	$_->save for values %cf::MAP;
		1301	};
		1302
		1303	warn "end emergency map save\n";
		1304	}
		1305
		1306	package cf;
		1307
		1308	=back
		1309
		1310
		1311	=head3 cf::object::player
		1312
		1313	=over 4
		1314
775	=item $player->reply ($npc, $msg[, $flags])	1315	=item $player_object->reply ($npc, $msg[, $flags])
776		1316
777	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1317	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
778	can be C<undef>. Does the right thing when the player is currently in a	1318	can be C<undef>. Does the right thing when the player is currently in a
779	dialogue with the given NPC character.	1319	dialogue with the given NPC character.
780		1320
781	=cut	1321	=cut
782		1322
783	# rough implementation of a future "reply" method that works	1323	# rough implementation of a future "reply" method that works
784	# with dialog boxes.	1324	# with dialog boxes.
		1325	#TODO: the first argument must go, split into a $npc->reply_to ( method
785	sub cf::object::player::reply($$$;$) {	1326	sub cf::object::player::reply($$$;$) {
786	my ($self, $npc, $msg, $flags) = @_;	1327	my ($self, $npc, $msg, $flags) = @_;
787		1328
788	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1329	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
789		1330
…		…
793	$msg = $npc->name . " says: $msg" if $npc;	1334	$msg = $npc->name . " says: $msg" if $npc;
794	$self->message ($msg, $flags);	1335	$self->message ($msg, $flags);
795	}	1336	}
796	}	1337	}
797		1338
798	=item $player->ext_reply ($msgid, $msgtype, %msg)	1339	=item $player_object->may ("access")
799		1340
800	Sends an ext reply to the player.	1341	Returns wether the given player is authorized to access resource "access"
		1342	(e.g. "command_wizcast").
801		1343
802	=cut	1344	=cut
803		1345
804	sub cf::player::ext_reply($$$%) {	1346	sub cf::object::player::may {
		1347	my ($self, $access) = @_;
		1348
		1349	$self->flag (cf::FLAG_WIZ) \|\|
		1350	(ref $cf::CFG{"may_$access"}
		1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
		1352	: $cf::CFG{"may_$access"})
		1353	}
		1354
		1355	sub cf::object::player::enter_link {
		1356	my ($self) = @_;
		1357
		1358	return if $self->map == $LINK_MAP;
		1359
		1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1361	if $self->map;
		1362
		1363	$self->enter_map ($LINK_MAP, 20, 20);
		1364	$self->deactivate_recursive;
		1365	}
		1366
		1367	sub cf::object::player::leave_link {
		1368	my ($self, $map, $x, $y) = @_;
		1369
		1370	my $link_pos = delete $self->{_link_pos};
		1371
		1372	unless ($map) {
		1373	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1374
		1375	# restore original map position
		1376	($map, $x, $y) = @{ $link_pos \|\| [] };
		1377	$map = cf::map::find_map $map;
		1378
		1379	unless ($map) {
		1380	($map, $x, $y) = @$EMERGENCY_POSITION;
		1381	$map = cf::map::find_map $map
		1382	or die "FATAL: cannot load emergency map\n";
		1383	}
		1384	}
		1385
		1386	($x, $y) = (-1, -1)
		1387	unless (defined $x) && (defined $y);
		1388
		1389	# use -1 or undef as default coordinates, not 0, 0
		1390	($x, $y) = ($map->enter_x, $map->enter_y)
		1391	if $x <=0 && $y <= 0;
		1392
		1393	$map->load;
		1394
		1395	$self->activate_recursive;
		1396	$self->enter_map ($map, $x, $y);
		1397	}
		1398
		1399	=item $player_object->goto_map ($map, $x, $y)
		1400
		1401	=cut
		1402
		1403	sub cf::object::player::goto_map {
		1404	my ($self, $path, $x, $y) = @_;
		1405
		1406	$self->enter_link;
		1407
		1408	(Coro::async {
		1409	$path = new cf::path $path;
		1410
		1411	my $map = cf::map::find_map $path->as_string;
		1412	$map = $map->customise_for ($self) if $map;
		1413
		1414	warn "entering ", $map->path, " at ($x, $y)\n"
		1415	if $map;
		1416
		1417	$self->leave_link ($map, $x, $y);
		1418	})->prio (1);
		1419	}
		1420
		1421	=item $player_object->enter_exit ($exit_object)
		1422
		1423	=cut
		1424
		1425	sub parse_random_map_params {
		1426	my ($spec) = @_;
		1427
		1428	my $rmp = { # defaults
		1429	xsize => 10,
		1430	ysize => 10,
		1431	};
		1432
		1433	for (split /\n/, $spec) {
		1434	my ($k, $v) = split /\s+/, $_, 2;
		1435
		1436	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1437	}
		1438
		1439	$rmp
		1440	}
		1441
		1442	sub prepare_random_map {
		1443	my ($exit) = @_;
		1444
		1445	# all this does is basically replace the /! path by
		1446	# a new random map path (?random/...) with a seed
		1447	# that depends on the exit object
		1448
		1449	my $rmp = parse_random_map_params $exit->msg;
		1450
		1451	if ($exit->map) {
		1452	$rmp->{region} = $exit->map->region_name;
		1453	$rmp->{origin_map} = $exit->map->path;
		1454	$rmp->{origin_x} = $exit->x;
		1455	$rmp->{origin_y} = $exit->y;
		1456	}
		1457
		1458	$rmp->{random_seed} \|\|= $exit->random_seed;
		1459
		1460	my $data = cf::to_json $rmp;
		1461	my $md5 = Digest::MD5::md5_hex $data;
		1462
		1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1464	aio_write $fh, 0, (length $data), $data, 0;
		1465
		1466	$exit->slaying ("?random/$md5");
		1467	$exit->msg (undef);
		1468	}
		1469	}
		1470
		1471	sub cf::object::player::enter_exit {
805	my ($self, $id, %msg) = @_;	1472	my ($self, $exit) = @_;
806		1473
807	$msg{msgid} = $id;	1474	return unless $self->type == cf::PLAYER;
808		1475
809	$self->send ("ext " . to_json \%msg);	1476	$self->enter_link;
		1477
		1478	(Coro::async {
		1479	unless (eval {
		1480
		1481	prepare_random_map $exit
		1482	if $exit->slaying eq "/!";
		1483
		1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1486
		1487	1;
		1488	}) {
		1489	$self->message ("Something went wrong deep within the crossfire server. "
		1490	. "I'll try to bring you back to the map you were before. "
		1491	. "Please report this to the dungeon master",
		1492	cf::NDI_UNIQUE \| cf::NDI_RED);
		1493
		1494	warn "ERROR in enter_exit: $@";
		1495	$self->leave_link;
		1496	}
		1497	})->prio (1);
810	}	1498	}
		1499
		1500	=head3 cf::client
		1501
		1502	=over 4
		1503
		1504	=item $client->send_drawinfo ($text, $flags)
		1505
		1506	Sends a drawinfo packet to the client. Circumvents output buffering so
		1507	should not be used under normal circumstances.
		1508
		1509	=cut
		1510
		1511	sub cf::client::send_drawinfo {
		1512	my ($self, $text, $flags) = @_;
		1513
		1514	utf8::encode $text;
		1515	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1516	}
		1517
		1518
		1519	=item $success = $client->query ($flags, "text", \&cb)
		1520
		1521	Queues a query to the client, calling the given callback with
		1522	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1523	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1524
		1525	Queries can fail, so check the return code. Or don't, as queries will become
		1526	reliable at some point in the future.
		1527
		1528	=cut
		1529
		1530	sub cf::client::query {
		1531	my ($self, $flags, $text, $cb) = @_;
		1532
		1533	return unless $self->state == ST_PLAYING
		1534	\|\| $self->state == ST_SETUP
		1535	\|\| $self->state == ST_CUSTOM;
		1536
		1537	$self->state (ST_CUSTOM);
		1538
		1539	utf8::encode $text;
		1540	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1541
		1542	$self->send_packet ($self->{query_queue}[0][0])
		1543	if @{ $self->{query_queue} } == 1;
		1544	}
		1545
		1546	cf::client->attach (
		1547	on_reply => sub {
		1548	my ($ns, $msg) = @_;
		1549
		1550	# this weird shuffling is so that direct followup queries
		1551	# get handled first
		1552	my $queue = delete $ns->{query_queue};
		1553
		1554	(shift @$queue)->[1]->($msg);
		1555
		1556	push @{ $ns->{query_queue} }, @$queue;
		1557
		1558	if (@{ $ns->{query_queue} } == @$queue) {
		1559	if (@$queue) {
		1560	$ns->send_packet ($ns->{query_queue}[0][0]);
		1561	} else {
		1562	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1563	}
		1564	}
		1565	},
		1566	);
		1567
		1568	=item $client->coro (\&cb)
		1569
		1570	Create a new coroutine, running the specified callback. The coroutine will
		1571	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1572	or loss of connection).
		1573
		1574	=cut
		1575
		1576	sub cf::client::coro {
		1577	my ($self, $cb) = @_;
		1578
		1579	my $coro; $coro = async {
		1580	eval {
		1581	$cb->();
		1582	};
		1583	warn $@ if $@;
		1584	};
		1585
		1586	$coro->on_destroy (sub {
		1587	delete $self->{_coro}{$coro+0};
		1588	});
		1589
		1590	$self->{_coro}{$coro+0} = $coro;
		1591
		1592	$coro
		1593	}
		1594
		1595	cf::client->attach (
		1596	on_destroy => sub {
		1597	my ($ns) = @_;
		1598
		1599	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1600	},
		1601	);
811		1602
812	=back	1603	=back
813		1604
814	=cut
815
816	#############################################################################
817		1605
818	=head2 SAFE SCRIPTING	1606	=head2 SAFE SCRIPTING
819		1607
820	Functions that provide a safe environment to compile and execute	1608	Functions that provide a safe environment to compile and execute
821	snippets of perl code without them endangering the safety of the server	1609	snippets of perl code without them endangering the safety of the server
822	itself. Looping constructs, I/O operators and other built-in functionality	1610	itself. Looping constructs, I/O operators and other built-in functionality
823	is not available in the safe scripting environment, and the number of	1611	is not available in the safe scripting environment, and the number of
824	functions and methods that cna be called is greatly reduced.	1612	functions and methods that can be called is greatly reduced.
825		1613
826	=cut	1614	=cut
827		1615
828	our $safe = new Safe "safe";	1616	our $safe = new Safe "safe";
829	our $safe_hole = new Safe::Hole;	1617	our $safe_hole = new Safe::Hole;
…		…
836		1624
837	=pod	1625	=pod
838		1626
839	The following fucntions and emthods are available within a safe environment:	1627	The following fucntions and emthods are available within a safe environment:
840		1628
841	cf::object contr pay_amount pay_player	1629	cf::object contr pay_amount pay_player map
842	cf::object::player player	1630	cf::object::player player
843	cf::player peaceful	1631	cf::player peaceful
		1632	cf::map trigger
844		1633
845	=cut	1634	=cut
846		1635
847	for (	1636	for (
848	["cf::object" => qw(contr pay_amount pay_player)],	1637	["cf::object" => qw(contr pay_amount pay_player map)],
849	["cf::object::player" => qw(player)],	1638	["cf::object::player" => qw(player)],
850	["cf::player" => qw(peaceful)],	1639	["cf::player" => qw(peaceful)],
		1640	["cf::map" => qw(trigger)],
851	) {	1641	) {
852	no strict 'refs';	1642	no strict 'refs';
853	my ($pkg, @funs) = @$_;	1643	my ($pkg, @funs) = @$_;
854	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1644	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
855	for @funs;	1645	for @funs;
…		…
965		1755
966	Immediately write the database to disk I<if it is dirty>.	1756	Immediately write the database to disk I<if it is dirty>.
967		1757
968	=cut	1758	=cut
969		1759
		1760	our $DB;
		1761
970	{	1762	{
971	my $db;
972	my $path = cf::localdir . "/database.pst";	1763	my $path = cf::localdir . "/database.pst";
973		1764
974	sub db_load() {	1765	sub db_load() {
975	warn "loading database $path\n";#d# remove later	1766	warn "loading database $path\n";#d# remove later
976	$db = stat $path ? Storable::retrieve $path : { };	1767	$DB = stat $path ? Storable::retrieve $path : { };
977	}	1768	}
978		1769
979	my $pid;	1770	my $pid;
980		1771
981	sub db_save() {	1772	sub db_save() {
982	warn "saving database $path\n";#d# remove later	1773	warn "saving database $path\n";#d# remove later
983	waitpid $pid, 0 if $pid;	1774	waitpid $pid, 0 if $pid;
984	if (0 == ($pid = fork)) {	1775	if (0 == ($pid = fork)) {
985	$db->{_meta}{version} = 1;	1776	$DB->{_meta}{version} = 1;
986	Storable::nstore $db, "$path~";	1777	Storable::nstore $DB, "$path~";
987	rename "$path~", $path;	1778	rename "$path~", $path;
988	cf::_exit 0 if defined $pid;	1779	cf::_exit 0 if defined $pid;
989	}	1780	}
990	}	1781	}
991		1782
…		…
994	sub db_sync() {	1785	sub db_sync() {
995	db_save if $dirty;	1786	db_save if $dirty;
996	undef $dirty;	1787	undef $dirty;
997	}	1788	}
998		1789
999	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1000	db_sync;	1791	db_sync;
1001	});	1792	});
1002		1793
1003	sub db_dirty() {	1794	sub db_dirty() {
1004	$dirty = 1;	1795	$dirty = 1;
1005	$idle->start;	1796	$idle->start;
1006	}	1797	}
1007		1798
1008	sub db_get($;$) {	1799	sub db_get($;$) {
1009	@_ >= 2	1800	@_ >= 2
1010	? $db->{$_[0]}{$_[1]}	1801	? $DB->{$_[0]}{$_[1]}
1011	: ($db->{$_[0]} \|\|= { })	1802	: ($DB->{$_[0]} \|\|= { })
1012	}	1803	}
1013		1804
1014	sub db_put($$;$) {	1805	sub db_put($$;$) {
1015	if (@_ >= 3) {	1806	if (@_ >= 3) {
1016	$db->{$_[0]}{$_[1]} = $_[2];	1807	$DB->{$_[0]}{$_[1]} = $_[2];
1017	} else {	1808	} else {
1018	$db->{$_[0]} = $_[1];	1809	$DB->{$_[0]} = $_[1];
1019	}	1810	}
1020	db_dirty;	1811	db_dirty;
1021	}	1812	}
1022		1813
1023	attach_global	1814	cf::global->attach (
1024	prio => 10000,	1815	prio => 10000,
1025	on_cleanup => sub {	1816	on_cleanup => sub {
1026	db_sync;	1817	db_sync;
1027	},	1818	},
1028	;	1819	);
1029	}	1820	}
1030		1821
1031	#############################################################################	1822	#############################################################################
1032	# the server's main()	1823	# the server's main()
1033		1824
…		…
1038	local $/;	1829	local $/;
1039	*CFG = YAML::Syck::Load <$fh>;	1830	*CFG = YAML::Syck::Load <$fh>;
1040	}	1831	}
1041		1832
1042	sub main {	1833	sub main {
		1834	# we must not ever block the main coroutine
		1835	local $Coro::idle = sub {
		1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1837	(Coro::unblock_sub {
		1838	Event::one_event;
		1839	})->();
		1840	};
		1841
1043	cfg_load;	1842	cfg_load;
1044	db_load;	1843	db_load;
1045	load_extensions;	1844	load_extensions;
1046	Event::loop;	1845	Event::loop;
1047	}	1846	}
1048		1847
1049	#############################################################################	1848	#############################################################################
1050	# initialisation	1849	# initialisation
1051		1850
1052	sub _perl_reload(&) {	1851	sub reload() {
1053	my ($msg) = @_;	1852	# can/must only be called in main
		1853	if ($Coro::current != $Coro::main) {
		1854	warn "can only reload from main coroutine\n";
		1855	return;
		1856	}
1054		1857
1055	$msg->("reloading...");	1858	warn "reloading...";
		1859
		1860	local $FREEZE = 1;
		1861	cf::emergency_save;
1056		1862
1057	eval {	1863	eval {
		1864	# if anything goes wrong in here, we should simply crash as we already saved
		1865
1058	# cancel all watchers	1866	# cancel all watchers
1059	$_->cancel for Event::all_watchers;	1867	for (Event::all_watchers) {
		1868	$_->cancel if $_->data & WF_AUTOCANCEL;
		1869	}
		1870
		1871	# cancel all extension coros
		1872	$_->cancel for values %EXT_CORO;
		1873	%EXT_CORO = ();
1060		1874
1061	# unload all extensions	1875	# unload all extensions
1062	for (@exts) {	1876	for (@exts) {
1063	$msg->("unloading <$_>");	1877	warn "unloading <$_>";
1064	unload_extension $_;	1878	unload_extension $_;
1065	}	1879	}
1066		1880
1067	# unload all modules loaded from $LIBDIR	1881	# unload all modules loaded from $LIBDIR
1068	while (my ($k, $v) = each %INC) {	1882	while (my ($k, $v) = each %INC) {
1069	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1070		1884
1071	$msg->("removing <$k>");	1885	warn "removing <$k>";
1072	delete $INC{$k};	1886	delete $INC{$k};
1073		1887
1074	$k =~ s/\.pm$//;	1888	$k =~ s/\.pm$//;
1075	$k =~ s/\//::/g;	1889	$k =~ s/\//::/g;
1076		1890
…		…
1081	Symbol::delete_package $k;	1895	Symbol::delete_package $k;
1082	}	1896	}
1083		1897
1084	# sync database to disk	1898	# sync database to disk
1085	cf::db_sync;	1899	cf::db_sync;
		1900	IO::AIO::flush;
1086		1901
1087	# get rid of safe::, as good as possible	1902	# get rid of safe::, as good as possible
1088	Symbol::delete_package "safe::$_"	1903	Symbol::delete_package "safe::$_"
1089	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1090		1905
1091	# remove register_script_function callbacks	1906	# remove register_script_function callbacks
1092	# TODO	1907	# TODO
1093		1908
1094	# unload cf.pm "a bit"	1909	# unload cf.pm "a bit"
…		…
1097	# don't, removes xs symbols, too,	1912	# don't, removes xs symbols, too,
1098	# and global variables created in xs	1913	# and global variables created in xs
1099	#Symbol::delete_package __PACKAGE__;	1914	#Symbol::delete_package __PACKAGE__;
1100		1915
1101	# reload cf.pm	1916	# reload cf.pm
1102	$msg->("reloading cf.pm");	1917	warn "reloading cf.pm";
1103	require cf;	1918	require cf;
		1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1104		1920
1105	# load config and database again	1921	# load config and database again
1106	cf::cfg_load;	1922	cf::cfg_load;
1107	cf::db_load;	1923	cf::db_load;
1108		1924
1109	# load extensions	1925	# load extensions
1110	$msg->("load extensions");	1926	warn "load extensions";
1111	cf::load_extensions;	1927	cf::load_extensions;
1112		1928
1113	# reattach attachments to objects	1929	# reattach attachments to objects
1114	$msg->("reattach");	1930	warn "reattach";
1115	_global_reattach;	1931	_global_reattach;
1116	};	1932	};
1117	$msg->($@) if $@;
1118		1933
1119	$msg->("reloaded");	1934	if ($@) {
		1935	warn $@;
		1936	warn "error while reloading, exiting.";
		1937	exit 1;
		1938	}
		1939
		1940	warn "reloaded successfully";
1120	};	1941	};
1121		1942
1122	sub perl_reload() {	1943	#############################################################################
1123	_perl_reload {
1124	warn $_[0];
1125	print "$_[0]\n";
1126	};
1127	}
1128		1944
		1945	unless ($LINK_MAP) {
		1946	$LINK_MAP = cf::map::new;
		1947
		1948	$LINK_MAP->width (41);
		1949	$LINK_MAP->height (41);
		1950	$LINK_MAP->alloc;
		1951	$LINK_MAP->path ("{link}");
		1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1954
		1955	# dirty hack because... archetypes are not yet loaded
		1956	Event->timer (
		1957	after => 2,
		1958	cb => sub {
		1959	$_[0]->w->cancel;
		1960
		1961	# provide some exits "home"
		1962	my $exit = cf::object::new "exit";
		1963
		1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1967
		1968	$LINK_MAP->insert ($exit->clone, 19, 19);
		1969	$LINK_MAP->insert ($exit->clone, 19, 20);
		1970	$LINK_MAP->insert ($exit->clone, 19, 21);
		1971	$LINK_MAP->insert ($exit->clone, 20, 19);
		1972	$LINK_MAP->insert ($exit->clone, 20, 21);
		1973	$LINK_MAP->insert ($exit->clone, 21, 19);
		1974	$LINK_MAP->insert ($exit->clone, 21, 20);
		1975	$LINK_MAP->insert ($exit->clone, 21, 21);
		1976
		1977	$exit->destroy;
		1978	});
		1979
		1980	$LINK_MAP->{deny_save} = 1;
		1981	$LINK_MAP->{deny_reset} = 1;
		1982
		1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
		1984	}
		1985
		1986	register "<global>", __PACKAGE__;
		1987
1129	register_command "perl-reload", 0, sub {	1988	register_command "reload" => sub {
1130	my ($who, $arg) = @_;	1989	my ($who, $arg) = @_;
1131		1990
1132	if ($who->flag (FLAG_WIZ)) {	1991	if ($who->flag (FLAG_WIZ)) {
1133	_perl_reload {	1992	$who->message ("start of reload.");
1134	warn $_[0];	1993	reload;
1135	$who->message ($_[0]);	1994	$who->message ("end of reload.");
1136	};
1137	}	1995	}
1138	};	1996	};
1139		1997
1140	register "<global>", __PACKAGE__;
1141
1142	unshift @INC, $LIBDIR;	1998	unshift @INC, $LIBDIR;
1143		1999
1144	$TICK_WATCHER = Event->timer (	2000	$TICK_WATCHER = Event->timer (
		2001	reentrant => 0,
1145	prio => 1,	2002	prio => 0,
1146	at => $NEXT_TICK \|\| 1,	2003	at => $NEXT_TICK \|\| $TICK,
		2004	data => WF_AUTOCANCEL,
1147	cb => sub {	2005	cb => sub {
		2006	unless ($FREEZE) {
1148	cf::server_tick; # one server iteration	2007	cf::server_tick; # one server iteration
		2008	$RUNTIME += $TICK;
		2009	}
1149		2010
1150	my $NOW = Event::time;
1151	$NEXT_TICK += $TICK;	2011	$NEXT_TICK += $TICK;
1152		2012
1153	# if we are delayed by four ticks, skip them all	2013	# if we are delayed by four ticks or more, skip them all
1154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1155		2015
1156	$TICK_WATCHER->at ($NEXT_TICK);	2016	$TICK_WATCHER->at ($NEXT_TICK);
1157	$TICK_WATCHER->start;	2017	$TICK_WATCHER->start;
1158	},	2018	},
1159	);	2019	);
1160		2020
		2021	IO::AIO::max_poll_time $TICK * 0.2;
		2022
		2023	Event->io (
		2024	fd => IO::AIO::poll_fileno,
		2025	poll => 'r',
		2026	prio => 5,
		2027	data => WF_AUTOCANCEL,
		2028	cb => \&IO::AIO::poll_cb,
		2029	);
		2030
		2031	Event->timer (
		2032	data => WF_AUTOCANCEL,
		2033	after => 0,
		2034	interval => 10,
		2035	cb => sub {
		2036	(Coro::unblock_sub {
		2037	write_runtime
		2038	or warn "ERROR: unable to write runtime file: $!";
		2039	})->();
		2040	},
		2041	);
		2042
1161	1	2043	1
1162		2044

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.74 by root, Sun Oct 1 15:59:29 2006 UTC vs. Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.74 by root, Sun Oct 1 15:59:29 2006 UTC vs.
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC