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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.80 by root, Tue Nov 7 16:30:55 2006 UTC vs.
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC

…		…
1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
6	use Opcode;	9	use Opcode;
7	use Safe;	10	use Safe;
8	use Safe::Hole;	11	use Safe::Hole;
9		12
		13	use Coro 3.3;
		14	use Coro::Event;
		15	use Coro::Timer;
		16	use Coro::Signal;
		17	use Coro::Semaphore;
		18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
10	use IO::AIO ();	22	use IO::AIO 2.31 ();
11	use YAML::Syck ();	23	use YAML::Syck ();
12	use Time::HiRes;	24	use Time::HiRes;
13	use Event;	25
14	$Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
15		27
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
18		30
19	use strict;	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
20		32
21	_init_vars;	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		34
23	our %COMMAND = ();	35	our %COMMAND = ();
		36	our %COMMAND_TIME = ();
		37	our %EXTCMD = ();
		38
24	our @EVENT;	39	our @EVENT;
25	our $LIBDIR = maps_directory "perl";	40	our $LIBDIR = datadir . "/ext";
26		41
27	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
28	our $TICK_WATCHER;	43	our $TICK_WATCHER;
29	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
30		46
31	our %CFG;	47	our %CFG;
32		48
33	our $uptime;	49	our $UPTIME; $UPTIME \|\|= time;
		50	our $RUNTIME;
34		51
35	$uptime \|\|= time;	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];
36		78
37	#############################################################################	79	#############################################################################
38		80
39	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
40		82
41	=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.
42		93
43	=item $cf::LIBDIR	94	=item $cf::LIBDIR
44		95
45	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
46	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.
47		102
48	=item $cf::TICK	103	=item $cf::TICK
49		104
50	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
51		106
59	=cut	114	=cut
60		115
61	BEGIN {	116	BEGIN {
62	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
63	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
64	$msg .= "\n"	121	$msg .= "\n"
65	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
66		123
67	print STDERR "cfperl: $msg";
68	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
69	};	125	};
70	}	126	}
71		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';
72	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
73		134
74	# 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
75	# within the Safe compartment.	136	# within the Safe compartment.
76	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {	137	for my $pkg (qw(
		138	cf::global cf::attachable
		139	cf::object cf::object::player
		140	cf::client cf::player
		141	cf::arch cf::living
		142	cf::map cf::party cf::region
		143	)) {
77	no strict 'refs';	144	no strict 'refs';
78	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
79	}	146	}
80		147
81	$Event::DIED = sub {	148	$Event::DIED = sub {
…		…
83	};	150	};
84		151
85	my %ext_pkg;	152	my %ext_pkg;
86	my @exts;	153	my @exts;
87	my @hook;	154	my @hook;
88	my %command;
89	my %extcmd;
90		155
91	=head2 UTILITY FUNCTIONS	156	=head2 UTILITY FUNCTIONS
92		157
93	=over 4	158	=over 4
94		159
…		…
116	sub to_json($) {	181	sub to_json($) {
117	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
118	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
119	}	184	}
120		185
		186	=item cf::sync_job { BLOCK }
		187
		188	The design of crossfire+ requires that the main coro ($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~", $runtime
		274	and return;
		275
		276	1
		277	}
		278
121	=back	279	=back
122		280
123	=cut	281	=cut
124		282
125	#############################################################################	283	#############################################################################
126		284
127	=head2 EVENTS AND OBJECT ATTACHMENTS	285	package cf::path;
		286
		287	sub new {
		288	my ($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+).
128		404
129	=over 4	405	=over 4
130		406
131	=item $object->attach ($attachment, key => $value...)
132
133	=item $object->detach ($attachment)
134
135	Attach/detach a pre-registered attachment to an object.
136
137	=item $player->attach ($attachment, key => $value...)
138
139	=item $player->detach ($attachment)
140
141	Attach/detach a pre-registered attachment to a player.
142
143	=item $map->attach ($attachment, key => $value...)	407	=item $attachable->attach ($attachment, key => $value...)
144		408
145	=item $map->detach ($attachment)	409	=item $attachable->detach ($attachment)
146		410
147	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.
148		413
149	=item $bool = $object->attached ($name)	414	Example, attach a minesweeper attachment to the given object, making it a
		415	10x10 minesweeper game:
150		416
151	=item $bool = $player->attached ($name)	417	$obj->attach (minesweeper => width => 10, height => 10);
152		418
153	=item $bool = $map->attached ($name)	419	=item $bool = $attachable->attached ($name)
154		420
155	Checks wether the named attachment is currently attached to the object.	421	Checks wether the named attachment is currently attached to the object.
156		422
157	=item cf::attach_global ...	423	=item cf::CLASS->attach ...
158		424
159	Attach handlers for global events.	425	=item cf::CLASS->detach ...
160		426
161	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
162	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:
163		461
164	=over 4	462	=over 4
165		463
166	=item prio => $number	464	=item prio => $number
167		465
…		…
169	by another C<prio> setting). Lower priority handlers get executed	467	by another C<prio> setting). Lower priority handlers get executed
170	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
171	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
172	unless you know what you are doing.	470	unless you know what you are doing.
173		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
174	=item on_I<event> => \&cb	478	=item on_I<event> => \&cb
175		479
176	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
177	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
178	handlers are recognised generally depends on the type of object these	482	handlers are recognised generally depends on the type of object these
…		…
187	package and register them. Only handlers for eevents supported by the	491	package and register them. Only handlers for eevents supported by the
188	object/class are recognised.	492	object/class are recognised.
189		493
190	=back	494	=back
191		495
192	=item cf::attach_to_type $object_type, $subtype, ...	496	Example, define an attachment called "sockpuppet" that calls the given
		497	event handler when a monster attacks:
193		498
194	Attach handlers for a specific object type (e.g. TRANSPORT) and	499	cf::object::attachment sockpuppet =>
195	subtype. If C<$subtype> is zero or undef, matches all objects of the given	500	on_skill_attack => sub {
196	type.	501	my ($self, $victim) = @_;
197		502	...
198	=item cf::attach_to_objects ...
199
200	Attach handlers to all objects. Do not use this except for debugging or
201	very rare events, as handlers are (obviously) called for I<all> objects in
202	the game.
203
204	=item cf::attach_to_players ...
205
206	Attach handlers to all players.
207
208	=item cf::attach_to_maps ...
209
210	Attach handlers to all maps.
211
212	=item cf:register_attachment $name, ...
213
214	Register an attachment by name through which objects can refer to this
215	attachment.
216
217	=item cf:register_player_attachment $name, ...
218
219	Register an attachment by name through which players can refer to this
220	attachment.
221
222	=item cf:register_map_attachment $name, ...
223
224	Register an attachment by name through which maps can refer to this
225	attachment.
226
227	=cut
228
229	# the following variables are defined in .xs and must not be re-created
230	our @CB_GLOBAL = (); # registry for all global events
231	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
232	our @CB_PLAYER = ();
233	our @CB_TYPE = (); # registry for type (cf-object class) based events
234	our @CB_MAP = ();
235
236	my %attachment;
237
238	sub _attach_cb($\%$$$) {
239	my ($registry, $undo, $event, $prio, $cb) = @_;
240
241	use sort 'stable';
242
243	$cb = [$prio, $cb];
244
245	@{$registry->[$event]} = sort
246	{ $a->[0] cmp $b->[0] }
247	@{$registry->[$event] \|\| []}, $cb;
248
249	push @{$undo->{cb}}, [$event, $cb];
250	}
251
252	# attach handles attaching event callbacks
253	# the only thing the caller has to do is pass the correct
254	# registry (== where the callback attaches to).
255	sub _attach(\@$@) {
256	my ($registry, $klass, @arg) = @_;
257
258	my $prio = 0;
259
260	my %undo = (
261	registry => $registry,
262	cb => [],
263	);
264
265	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
266
267	while (@arg) {
268	my $type = shift @arg;
269
270	if ($type eq "prio") {
271	$prio = shift @arg;
272
273	} elsif ($type eq "package") {
274	my $pkg = shift @arg;
275
276	while (my ($name, $id) = each %cb_id) {
277	if (my $cb = $pkg->can ($name)) {
278	_attach_cb $registry, %undo, $id, $prio, $cb;
279	}
280	}	503	}
281
282	} elsif (exists $cb_id{$type}) {
283	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
284
285	} elsif (ref $type) {
286	warn "attaching objects not supported, ignoring.\n";
287
288	} else {
289	shift @arg;
290	warn "attach argument '$type' not supported, ignoring.\n";
291	}
292	}
293
294	\%undo
295	}
296
297	sub _attach_attachment {
298	my ($obj, $name, %arg) = @_;
299
300	return if exists $obj->{_attachment}{$name};
301
302	my $res;
303
304	if (my $attach = $attachment{$name}) {
305	my $registry = $obj->registry;
306
307	for (@$attach) {
308	my ($klass, @attach) = @$_;
309	$res = _attach @$registry, $klass, @attach;
310	}
311
312	$obj->{$name} = \%arg;
313	} else {
314	warn "object uses attachment '$name' that is not available, postponing.\n";
315	}
316
317	$obj->{_attachment}{$name} = undef;
318
319	$res->{attachment} = $name;
320	$res
321	}
322
323	*cf::object::attach =
324	*cf::player::attach =
325	*cf::map::attach = sub {
326	my ($obj, $name, %arg) = @_;
327
328	_attach_attachment $obj, $name, %arg;
329	};
330
331	# all those should be optimised
332	*cf::object::detach =
333	*cf::player::detach =
334	*cf::map::detach = sub {
335	my ($obj, $name) = @_;
336
337	delete $obj->{_attachment}{$name};
338	reattach ($obj);
339	};
340
341	*cf::object::attached =
342	*cf::player::attached =
343	*cf::map::attached = sub {
344	my ($obj, $name) = @_;
345
346	exists $obj->{_attachment}{$name}
347	};
348
349	sub attach_global {
350	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
351	}
352
353	sub attach_to_type {
354	my $type = shift;
355	my $subtype = shift;
356
357	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
358	}
359
360	sub attach_to_objects {
361	_attach @CB_OBJECT, KLASS_OBJECT, @_
362	}
363
364	sub attach_to_players {
365	_attach @CB_PLAYER, KLASS_PLAYER, @_
366	}
367
368	sub attach_to_maps {
369	_attach @CB_MAP, KLASS_MAP, @_
370	}
371
372	sub register_attachment {
373	my $name = shift;
374
375	$attachment{$name} = [[KLASS_OBJECT, @_]];
376	}
377
378	sub register_player_attachment {
379	my $name = shift;
380
381	$attachment{$name} = [[KLASS_PLAYER, @_]];
382	}
383
384	sub register_map_attachment {
385	my $name = shift;
386
387	$attachment{$name} = [[KLASS_MAP, @_]];
388	}
389
390	our $override;
391	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
392
393	sub override {
394	$override = 1;
395	@invoke_results = ();
396	}
397
398	sub do_invoke {
399	my $event = shift;
400	my $callbacks = shift;
401
402	@invoke_results = ();
403
404	local $override;
405
406	for (@$callbacks) {
407	eval { &{$_->[1]} };
408
409	if ($@) {
410	warn "$@";
411	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
412	override;
413	}
414
415	return 1 if $override;
416	}
417
418	0	504	}
419	}
420		505
421	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	506	=item $attachable->valid
422
423	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
424
425	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
426
427	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
428
429	Generate a global/object/player/map-specific event with the given arguments.
430
431	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
432	removed in future versions), and there is no public API to access override
433	results (if you must, access C<@cf::invoke_results> directly).
434
435	=back
436
437	=cut
438
439	#############################################################################
440
441	=head2 METHODS VALID FOR ALL CORE OBJECTS
442
443	=over 4
444
445	=item $object->valid, $player->valid, $map->valid
446		507
447	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
448	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
449	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
450	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
451	exception.	512	exception.
452		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
453	=back	697	=back
454		698
455	=cut	699	=cut
456
457	*cf::object::valid =
458	*cf::player::valid =
459	*cf::map::valid = \&cf::_valid;
460		700
461	#############################################################################	701	#############################################################################
462	# object support	702	# object support
463		703
464	sub instantiate {
465	my ($obj, $data) = @_;
466
467	$data = from_json $data;
468
469	for (@$data) {
470	my ($name, $args) = @$_;
471
472	$obj->attach ($name, %{$args \|\| {} });
473	}
474	}
475
476	# basically do the same as instantiate, without calling instantiate
477	sub reattach {	704	sub reattach {
		705	# basically do the same as instantiate, without calling instantiate
478	my ($obj) = @_;	706	my ($obj) = @_;
		707
479	my $registry = $obj->registry;	708	my $registry = $obj->registry;
480		709
481	@$registry = ();	710	@$registry = ();
482		711
483	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	712	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
484		713
485	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	714	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
486	if (my $attach = $attachment{$name}) {	715	if (my $attach = $attachment{$name}) {
487	for (@$attach) {	716	for (@$attach) {
488	my ($klass, @attach) = @$_;	717	my ($klass, @attach) = @$_;
489	_attach @$registry, $klass, @attach;	718	_attach $registry, $klass, @attach;
490	}	719	}
491	} else {	720	} else {
492	warn "object uses attachment '$name' that is not available, postponing.\n";	721	warn "object uses attachment '$name' that is not available, postponing.\n";
493	}	722	}
494	}	723	}
495	}	724	}
496		725
497	sub object_freezer_save {	726	cf::attachable->attach (
498	my ($filename, $rdata, $objs) = @_;
499
500	if (length $$rdata) {
501	warn sprintf "saving %s (%d,%d)\n",
502	$filename, length $$rdata, scalar @$objs;
503
504	if (open my $fh, ">:raw", "$filename~") {
505	chmod SAVE_MODE, $fh;
506	syswrite $fh, $$rdata;
507	close $fh;
508
509	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
510	chmod SAVE_MODE, $fh;
511	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
512	close $fh;
513	rename "$filename.pst~", "$filename.pst";
514	} else {
515	unlink "$filename.pst";
516	}
517
518	rename "$filename~", $filename;
519	} else {
520	warn "FATAL: $filename~: $!\n";
521	}
522	} else {
523	unlink $filename;
524	unlink "$filename.pst";
525	}
526	}
527
528	sub object_freezer_as_string {
529	my ($rdata, $objs) = @_;
530
531	use Data::Dumper;
532
533	"$$rdata\n" . Dumper $objs
534	}
535
536	sub object_thawer_load {
537	my ($filename) = @_;
538
539	local $/;
540
541	my $av;
542
543	#TODO: use sysread etc.
544	if (open my $data, "<:raw:perlio", $filename) {
545	$data = <$data>;
546	if (open my $pst, "<:raw:perlio", "$filename.pst") {
547	$av = eval { (Storable::thaw <$pst>)->{objs} };
548	}
549	return ($data, $av);
550	}
551
552	()
553	}
554
555	attach_to_objects
556	prio => -1000000,	727	prio => -1000000,
		728	on_instantiate => sub {
		729	my ($obj, $data) = @_;
		730
		731	$data = from_json $data;
		732
		733	for (@$data) {
		734	my ($name, $args) = @$_;
		735
		736	$obj->attach ($name, %{$args \|\| {} });
		737	}
		738	},
		739	on_reattach => \&reattach,
557	on_clone => sub {	740	on_clone => sub {
558	my ($src, $dst) = @_;	741	my ($src, $dst) = @_;
559		742
560	@{$dst->registry} = @{$src->registry};	743	@{$dst->registry} = @{$src->registry};
561		744
562	%$dst = %$src;	745	%$dst = %$src;
563		746
564	%{$dst->{_attachment}} = %{$src->{_attachment}}	747	%{$dst->{_attachment}} = %{$src->{_attachment}}
565	if exists $src->{_attachment};	748	if exists $src->{_attachment};
566	},	749	},
567	;	750	);
		751
		752	sub object_freezer_save {
		753	my ($filename, $rdata, $objs) = @_;
		754
		755	sync_job {
		756	if (length $$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	}
568		814
569	#############################################################################	815	#############################################################################
570	# old plug-in events	816	# command handling &c
571		817
572	sub inject_event {	818	=item cf::register_command $name => \&callback($ob,$args);
573	my $extension = shift;
574	my $event_code = shift;
575		819
576	my $cb = $hook[$event_code]{$extension}	820	Register a callback for execution when the client sends the user command
577	or return;	821	$name.
578		822
579	&$cb	823	=cut
580	}
581
582	sub inject_global_event {
583	my $event = shift;
584
585	my $cb = $hook[$event]
586	or return;
587
588	List::Util::max map &$_, values %$cb
589	}
590
591	sub inject_command {
592	my ($name, $obj, $params) = @_;
593
594	for my $cmd (@{ $command{$name} }) {
595	$cmd->[1]->($obj, $params);
596	}
597
598	-1
599	}
600		824
601	sub register_command {	825	sub register_command {
602	my ($name, $time, $cb) = @_;	826	my ($name, $cb) = @_;
603		827
604	my $caller = caller;	828	my $caller = caller;
605	#warn "registering command '$name/$time' to '$caller'";	829	#warn "registering command '$name/$time' to '$caller'";
606		830
607	push @{ $command{$name} }, [$time, $cb, $caller];	831	push @{ $COMMAND{$name} }, [$caller, $cb];
608	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
609	}	832	}
		833
		834	=item cf::register_extcmd $name => \&callback($pl,$packet);
		835
		836	Register a callbackf ro execution when the client sends an extcmd packet.
		837
		838	If the callback returns something, it is sent back as if reply was being
		839	called.
		840
		841	=cut
610		842
611	sub register_extcmd {	843	sub register_extcmd {
612	my ($name, $cb) = @_;	844	my ($name, $cb) = @_;
613		845
614	my $caller = caller;	846	my $caller = caller;
615	#warn "registering extcmd '$name' to '$caller'";	847	#warn "registering extcmd '$name' to '$caller'";
616		848
617	$extcmd{$name} = [$cb, $caller];	849	$EXTCMD{$name} = [$cb, $caller];
618	}	850	}
		851
		852	cf::player->attach (
		853	on_command => sub {
		854	my ($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	);
619		883
620	sub register {	884	sub register {
621	my ($base, $pkg) = @_;	885	my ($base, $pkg) = @_;
622		886
623	#TODO	887	#TODO
…		…
642	. "#line 1 \"$path\"\n{\n"	906	. "#line 1 \"$path\"\n{\n"
643	. (do { local $/; <$fh> })	907	. (do { local $/; <$fh> })
644	. "\n};\n1";	908	. "\n};\n1";
645		909
646	eval $source	910	eval $source
647	or die "$path: $@";	911	or die $@ ? "$path: $@\n"
		912	: "extension disabled.\n";
648		913
649	push @exts, $pkg;	914	push @exts, $pkg;
650	$ext_pkg{$base} = $pkg;	915	$ext_pkg{$base} = $pkg;
651		916
652	# no strict 'refs';	917	# no strict 'refs';
…		…
665	# for my $idx (0 .. $#PLUGIN_EVENT) {	930	# for my $idx (0 .. $#PLUGIN_EVENT) {
666	# delete $hook[$idx]{$pkg};	931	# delete $hook[$idx]{$pkg};
667	# }	932	# }
668		933
669	# remove commands	934	# remove commands
670	for my $name (keys %command) {	935	for my $name (keys %COMMAND) {
671	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
672		937
673	if (@cb) {	938	if (@cb) {
674	$command{$name} = \@cb;	939	$COMMAND{$name} = \@cb;
675	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
676	} else {	940	} else {
677	delete $command{$name};
678	delete $COMMAND{"$name\000"};	941	delete $COMMAND{$name};
679	}	942	}
680	}	943	}
681		944
682	# remove extcmds	945	# remove extcmds
683	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
684	delete $extcmd{$name};	947	delete $EXTCMD{$name};
685	}	948	}
686		949
687	if (my $cb = $pkg->can ("unload")) {	950	if (my $cb = $pkg->can ("unload")) {
688	eval {	951	eval {
689	$cb->($pkg);	952	$cb->($pkg);
…		…
693		956
694	Symbol::delete_package $pkg;	957	Symbol::delete_package $pkg;
695	}	958	}
696		959
697	sub load_extensions {	960	sub load_extensions {
698	my $LIBDIR = maps_directory "perl";
699
700	for my $ext (<$LIBDIR/*.ext>) {	961	for my $ext (<$LIBDIR/*.ext>) {
701	next unless -r $ext;	962	next unless -r $ext;
702	eval {	963	eval {
703	load_extension $ext;	964	load_extension $ext;
704	1	965	1
705	} or warn "$ext not loaded: $@";	966	} or warn "$ext not loaded: $@";
706	}	967	}
707	}	968	}
708		969
709	#############################################################################	970	#############################################################################
710	# extcmd framework, basically convert ext <msg>
711	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
712
713	attach_to_players
714	on_extcmd => sub {
715	my ($pl, $buf) = @_;
716
717	my $msg = eval { from_json $buf };
718
719	if (ref $msg) {
720	if (my $cb = $extcmd{$msg->{msgtype}}) {
721	if (my %reply = $cb->[0]->($pl, $msg)) {
722	$pl->ext_reply ($msg->{msgid}, %reply);
723	}
724	}
725	} else {
726	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
727	}
728
729	cf::override;
730	},
731	;
732
733	#############################################################################
734	# load/save/clean perl data associated with a map	971	# load/save/clean perl data associated with a map
735		972
736	*cf::mapsupport::on_clean = sub {	973	*cf::mapsupport::on_clean = sub {
737	my ($map) = @_;	974	my ($map) = @_;
738		975
…		…
740	defined $path or return;	977	defined $path or return;
741		978
742	unlink "$path.pst";	979	unlink "$path.pst";
743	};	980	};
744		981
745	attach_to_maps prio => -10000, package => cf::mapsupport::;	982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
746		983
747	#############################################################################	984	#############################################################################
748	# load/save perl data associated with player->ob objects	985	# load/save perl data associated with player->ob objects
749		986
750	sub all_objects(@) {	987	sub all_objects(@) {
751	@_, map all_objects ($_->inv), @_	988	@_, map all_objects ($_->inv), @_
752	}	989	}
753		990
754	# TODO: compatibility cruft, remove when no longer needed	991	# TODO: compatibility cruft, remove when no longer needed
755	attach_to_players	992	cf::player->attach (
756	on_load => sub {	993	on_load => sub {
757	my ($pl, $path) = @_;	994	my ($pl, $path) = @_;
758		995
759	for my $o (all_objects $pl->ob) {	996	for my $o (all_objects $pl->ob) {
760	if (my $value = $o->get_ob_key_value ("_perl_data")) {	997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
762		999
763	%$o = %{ Storable::thaw pack "H*", $value };	1000	%$o = %{ Storable::thaw pack "H*", $value };
764	}	1001	}
765	}	1002	}
766	},	1003	},
767	;	1004	);
768		1005
769	#############################################################################	1006	#############################################################################
770		1007
771	=head2 CORE EXTENSIONS	1008	=head2 CORE EXTENSIONS
772		1009
773	Functions and methods that extend core crossfire objects.	1010	Functions and methods that extend core crossfire objects.
		1011
		1012	=head3 cf::player
774		1013
775	=over 4	1014	=over 4
776		1015
777	=item cf::player::exists $login	1016	=item cf::player::exists $login
778		1017
…		…
783	sub cf::player::exists($) {	1022	sub cf::player::exists($) {
784	cf::player::find $_[0]	1023	cf::player::find $_[0]
785	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
786	}	1025	}
787		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 rename {
		1268	my ($self, $new_path) = @_;
		1269
		1270	$self->unlink_save;
		1271
		1272	delete $cf::MAP{$self->path};
		1273	$self->{path} = new cf::path $new_path;
		1274	$self->path ($self->{path}->path);
		1275	$cf::MAP{$self->path} = $self;
		1276
		1277	$self->save;
		1278	}
		1279
		1280	sub reset {
		1281	my ($self) = @_;
		1282
		1283	return if $self->players;
		1284	return if $self->{path}{user_rel};#d#
		1285
		1286	warn "resetting map ", $self->path;#d#
		1287
		1288	delete $cf::MAP{$self->path};
		1289
		1290	$_->clear_links_to ($self) for values %cf::MAP;
		1291
		1292	$self->unlink_save;
		1293	$self->destroy;
		1294	}
		1295
		1296	sub customise_for {
		1297	my ($map, $ob) = @_;
		1298
		1299	if ($map->per_player) {
		1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1301	}
		1302
		1303	$map
		1304	}
		1305
		1306	sub emergency_save {
		1307	local $cf::FREEZE = 1;
		1308
		1309	warn "enter emergency map save\n";
		1310
		1311	cf::sync_job {
		1312	warn "begin emergency map save\n";
		1313	$_->save for values %cf::MAP;
		1314	};
		1315
		1316	warn "end emergency map save\n";
		1317	}
		1318
		1319	package cf;
		1320
		1321	=back
		1322
		1323
		1324	=head3 cf::object::player
		1325
		1326	=over 4
		1327
788	=item $player_object->reply ($npc, $msg[, $flags])	1328	=item $player_object->reply ($npc, $msg[, $flags])
789		1329
790	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1330	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
791	can be C<undef>. Does the right thing when the player is currently in a	1331	can be C<undef>. Does the right thing when the player is currently in a
792	dialogue with the given NPC character.	1332	dialogue with the given NPC character.
793		1333
794	=cut	1334	=cut
795		1335
796	# rough implementation of a future "reply" method that works	1336	# rough implementation of a future "reply" method that works
797	# with dialog boxes.	1337	# with dialog boxes.
		1338	#TODO: the first argument must go, split into a $npc->reply_to ( method
798	sub cf::object::player::reply($$$;$) {	1339	sub cf::object::player::reply($$$;$) {
799	my ($self, $npc, $msg, $flags) = @_;	1340	my ($self, $npc, $msg, $flags) = @_;
800		1341
801	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1342	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
802		1343
…		…
806	$msg = $npc->name . " says: $msg" if $npc;	1347	$msg = $npc->name . " says: $msg" if $npc;
807	$self->message ($msg, $flags);	1348	$self->message ($msg, $flags);
808	}	1349	}
809	}	1350	}
810		1351
811	=item $player->ext_reply ($msgid, $msgtype, %msg)
812
813	Sends an ext reply to the player.
814
815	=cut
816
817	sub cf::player::ext_reply($$$%) {
818	my ($self, $id, %msg) = @_;
819
820	$msg{msgid} = $id;
821
822	$self->send ("ext " . to_json \%msg);
823	}
824
825	=item $player_object->may ("access")	1352	=item $player_object->may ("access")
826		1353
827	Returns wether the given player is authorized to access resource "access"	1354	Returns wether the given player is authorized to access resource "access"
828	(e.g. "command_wizcast").	1355	(e.g. "command_wizcast").
829		1356
…		…
836	(ref $cf::CFG{"may_$access"}	1363	(ref $cf::CFG{"may_$access"}
837	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
838	: $cf::CFG{"may_$access"})	1365	: $cf::CFG{"may_$access"})
839	}	1366	}
840		1367
841	=cut	1368	sub cf::object::player::enter_link {
		1369	my ($self) = @_;
842		1370
843	#############################################################################	1371	return if $self->map == $LINK_MAP;
		1372
		1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1374	if $self->map;
		1375
		1376	$self->enter_map ($LINK_MAP, 20, 20);
		1377	$self->deactivate_recursive;
		1378	}
		1379
		1380	sub cf::object::player::leave_link {
		1381	my ($self, $map, $x, $y) = @_;
		1382
		1383	my $link_pos = delete $self->{_link_pos};
		1384
		1385	unless ($map) {
		1386	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1387
		1388	# restore original map position
		1389	($map, $x, $y) = @{ $link_pos \|\| [] };
		1390	$map = cf::map::find_map $map;
		1391
		1392	unless ($map) {
		1393	($map, $x, $y) = @$EMERGENCY_POSITION;
		1394	$map = cf::map::find_map $map
		1395	or die "FATAL: cannot load emergency map\n";
		1396	}
		1397	}
		1398
		1399	($x, $y) = (-1, -1)
		1400	unless (defined $x) && (defined $y);
		1401
		1402	# use -1 or undef as default coordinates, not 0, 0
		1403	($x, $y) = ($map->enter_x, $map->enter_y)
		1404	if $x <=0 && $y <= 0;
		1405
		1406	$map->load;
		1407
		1408	$self->activate_recursive;
		1409	$self->enter_map ($map, $x, $y);
		1410	}
		1411
		1412	=item $player_object->goto_map ($map, $x, $y)
		1413
		1414	=cut
		1415
		1416	sub cf::object::player::goto_map {
		1417	my ($self, $path, $x, $y) = @_;
		1418
		1419	$self->enter_link;
		1420
		1421	(Coro::async {
		1422	$path = new cf::path $path;
		1423
		1424	my $map = cf::map::find_map $path->as_string;
		1425	$map = $map->customise_for ($self) if $map;
		1426
		1427	warn "entering ", $map->path, " at ($x, $y)\n"
		1428	if $map;
		1429
		1430	$self->leave_link ($map, $x, $y);
		1431	})->prio (1);
		1432	}
		1433
		1434	=item $player_object->enter_exit ($exit_object)
		1435
		1436	=cut
		1437
		1438	sub parse_random_map_params {
		1439	my ($spec) = @_;
		1440
		1441	my $rmp = { # defaults
		1442	xsize => 10,
		1443	ysize => 10,
		1444	};
		1445
		1446	for (split /\n/, $spec) {
		1447	my ($k, $v) = split /\s+/, $_, 2;
		1448
		1449	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1450	}
		1451
		1452	$rmp
		1453	}
		1454
		1455	sub prepare_random_map {
		1456	my ($exit) = @_;
		1457
		1458	# all this does is basically replace the /! path by
		1459	# a new random map path (?random/...) with a seed
		1460	# that depends on the exit object
		1461
		1462	my $rmp = parse_random_map_params $exit->msg;
		1463
		1464	if ($exit->map) {
		1465	$rmp->{region} = $exit->map->region_name;
		1466	$rmp->{origin_map} = $exit->map->path;
		1467	$rmp->{origin_x} = $exit->x;
		1468	$rmp->{origin_y} = $exit->y;
		1469	}
		1470
		1471	$rmp->{random_seed} \|\|= $exit->random_seed;
		1472
		1473	my $data = cf::to_json $rmp;
		1474	my $md5 = Digest::MD5::md5_hex $data;
		1475
		1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1477	aio_write $fh, 0, (length $data), $data, 0;
		1478
		1479	$exit->slaying ("?random/$md5");
		1480	$exit->msg (undef);
		1481	}
		1482	}
		1483
		1484	sub cf::object::player::enter_exit {
		1485	my ($self, $exit) = @_;
		1486
		1487	return unless $self->type == cf::PLAYER;
		1488
		1489	$self->enter_link;
		1490
		1491	(Coro::async {
		1492	unless (eval {
		1493
		1494	prepare_random_map $exit
		1495	if $exit->slaying eq "/!";
		1496
		1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1499
		1500	1;
		1501	}) {
		1502	$self->message ("Something went wrong deep within the crossfire server. "
		1503	. "I'll try to bring you back to the map you were before. "
		1504	. "Please report this to the dungeon master",
		1505	cf::NDI_UNIQUE \| cf::NDI_RED);
		1506
		1507	warn "ERROR in enter_exit: $@";
		1508	$self->leave_link;
		1509	}
		1510	})->prio (1);
		1511	}
		1512
		1513	=head3 cf::client
		1514
		1515	=over 4
		1516
		1517	=item $client->send_drawinfo ($text, $flags)
		1518
		1519	Sends a drawinfo packet to the client. Circumvents output buffering so
		1520	should not be used under normal circumstances.
		1521
		1522	=cut
		1523
		1524	sub cf::client::send_drawinfo {
		1525	my ($self, $text, $flags) = @_;
		1526
		1527	utf8::encode $text;
		1528	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1529	}
		1530
		1531
		1532	=item $success = $client->query ($flags, "text", \&cb)
		1533
		1534	Queues a query to the client, calling the given callback with
		1535	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1536	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1537
		1538	Queries can fail, so check the return code. Or don't, as queries will become
		1539	reliable at some point in the future.
		1540
		1541	=cut
		1542
		1543	sub cf::client::query {
		1544	my ($self, $flags, $text, $cb) = @_;
		1545
		1546	return unless $self->state == ST_PLAYING
		1547	\|\| $self->state == ST_SETUP
		1548	\|\| $self->state == ST_CUSTOM;
		1549
		1550	$self->state (ST_CUSTOM);
		1551
		1552	utf8::encode $text;
		1553	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1554
		1555	$self->send_packet ($self->{query_queue}[0][0])
		1556	if @{ $self->{query_queue} } == 1;
		1557	}
		1558
		1559	cf::client->attach (
		1560	on_reply => sub {
		1561	my ($ns, $msg) = @_;
		1562
		1563	# this weird shuffling is so that direct followup queries
		1564	# get handled first
		1565	my $queue = delete $ns->{query_queue};
		1566
		1567	(shift @$queue)->[1]->($msg);
		1568
		1569	push @{ $ns->{query_queue} }, @$queue;
		1570
		1571	if (@{ $ns->{query_queue} } == @$queue) {
		1572	if (@$queue) {
		1573	$ns->send_packet ($ns->{query_queue}[0][0]);
		1574	} else {
		1575	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1576	}
		1577	}
		1578	},
		1579	);
		1580
		1581	=item $client->coro (\&cb)
		1582
		1583	Create a new coroutine, running the specified callback. The coroutine will
		1584	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1585	or loss of connection).
		1586
		1587	=cut
		1588
		1589	sub cf::client::coro {
		1590	my ($self, $cb) = @_;
		1591
		1592	my $coro; $coro = async {
		1593	eval {
		1594	$cb->();
		1595	};
		1596	warn $@ if $@;
		1597	};
		1598
		1599	$coro->on_destroy (sub {
		1600	delete $self->{_coro}{$coro+0};
		1601	});
		1602
		1603	$self->{_coro}{$coro+0} = $coro;
		1604
		1605	$coro
		1606	}
		1607
		1608	cf::client->attach (
		1609	on_destroy => sub {
		1610	my ($ns) = @_;
		1611
		1612	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1613	},
		1614	);
		1615
		1616	=back
		1617
844		1618
845	=head2 SAFE SCRIPTING	1619	=head2 SAFE SCRIPTING
846		1620
847	Functions that provide a safe environment to compile and execute	1621	Functions that provide a safe environment to compile and execute
848	snippets of perl code without them endangering the safety of the server	1622	snippets of perl code without them endangering the safety of the server
…		…
863		1637
864	=pod	1638	=pod
865		1639
866	The following fucntions and emthods are available within a safe environment:	1640	The following fucntions and emthods are available within a safe environment:
867		1641
868	cf::object contr pay_amount pay_player	1642	cf::object contr pay_amount pay_player map
869	cf::object::player player	1643	cf::object::player player
870	cf::player peaceful	1644	cf::player peaceful
		1645	cf::map trigger
871		1646
872	=cut	1647	=cut
873		1648
874	for (	1649	for (
875	["cf::object" => qw(contr pay_amount pay_player)],	1650	["cf::object" => qw(contr pay_amount pay_player map)],
876	["cf::object::player" => qw(player)],	1651	["cf::object::player" => qw(player)],
877	["cf::player" => qw(peaceful)],	1652	["cf::player" => qw(peaceful)],
		1653	["cf::map" => qw(trigger)],
878	) {	1654	) {
879	no strict 'refs';	1655	no strict 'refs';
880	my ($pkg, @funs) = @$_;	1656	my ($pkg, @funs) = @$_;
881	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1657	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
882	for @funs;	1658	for @funs;
…		…
1022	sub db_sync() {	1798	sub db_sync() {
1023	db_save if $dirty;	1799	db_save if $dirty;
1024	undef $dirty;	1800	undef $dirty;
1025	}	1801	}
1026		1802
1027	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1028	db_sync;	1804	db_sync;
1029	});	1805	});
1030		1806
1031	sub db_dirty() {	1807	sub db_dirty() {
1032	$dirty = 1;	1808	$dirty = 1;
…		…
1046	$DB->{$_[0]} = $_[1];	1822	$DB->{$_[0]} = $_[1];
1047	}	1823	}
1048	db_dirty;	1824	db_dirty;
1049	}	1825	}
1050		1826
1051	attach_global	1827	cf::global->attach (
1052	prio => 10000,	1828	prio => 10000,
1053	on_cleanup => sub {	1829	on_cleanup => sub {
1054	db_sync;	1830	db_sync;
1055	},	1831	},
1056	;	1832	);
1057	}	1833	}
1058		1834
1059	#############################################################################	1835	#############################################################################
1060	# the server's main()	1836	# the server's main()
1061		1837
…		…
1066	local $/;	1842	local $/;
1067	*CFG = YAML::Syck::Load <$fh>;	1843	*CFG = YAML::Syck::Load <$fh>;
1068	}	1844	}
1069		1845
1070	sub main {	1846	sub main {
		1847	# we must not ever block the main coroutine
		1848	local $Coro::idle = sub {
		1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1850	(Coro::unblock_sub {
		1851	Event::one_event;
		1852	})->();
		1853	};
		1854
1071	cfg_load;	1855	cfg_load;
1072	db_load;	1856	db_load;
1073	load_extensions;	1857	load_extensions;
1074	Event::loop;	1858	Event::loop;
1075	}	1859	}
1076		1860
1077	#############################################################################	1861	#############################################################################
1078	# initialisation	1862	# initialisation
1079		1863
1080	sub _perl_reload(&) {	1864	sub reload() {
1081	my ($msg) = @_;	1865	# can/must only be called in main
		1866	if ($Coro::current != $Coro::main) {
		1867	warn "can only reload from main coroutine\n";
		1868	return;
		1869	}
1082		1870
1083	$msg->("reloading...");	1871	warn "reloading...";
		1872
		1873	local $FREEZE = 1;
		1874	cf::emergency_save;
1084		1875
1085	eval {	1876	eval {
		1877	# if anything goes wrong in here, we should simply crash as we already saved
		1878
1086	# cancel all watchers	1879	# cancel all watchers
1087	$_->cancel for Event::all_watchers;	1880	for (Event::all_watchers) {
		1881	$_->cancel if $_->data & WF_AUTOCANCEL;
		1882	}
		1883
		1884	# cancel all extension coros
		1885	$_->cancel for values %EXT_CORO;
		1886	%EXT_CORO = ();
1088		1887
1089	# unload all extensions	1888	# unload all extensions
1090	for (@exts) {	1889	for (@exts) {
1091	$msg->("unloading <$_>");	1890	warn "unloading <$_>";
1092	unload_extension $_;	1891	unload_extension $_;
1093	}	1892	}
1094		1893
1095	# unload all modules loaded from $LIBDIR	1894	# unload all modules loaded from $LIBDIR
1096	while (my ($k, $v) = each %INC) {	1895	while (my ($k, $v) = each %INC) {
1097	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1098		1897
1099	$msg->("removing <$k>");	1898	warn "removing <$k>";
1100	delete $INC{$k};	1899	delete $INC{$k};
1101		1900
1102	$k =~ s/\.pm$//;	1901	$k =~ s/\.pm$//;
1103	$k =~ s/\//::/g;	1902	$k =~ s/\//::/g;
1104		1903
…		…
1109	Symbol::delete_package $k;	1908	Symbol::delete_package $k;
1110	}	1909	}
1111		1910
1112	# sync database to disk	1911	# sync database to disk
1113	cf::db_sync;	1912	cf::db_sync;
		1913	IO::AIO::flush;
1114		1914
1115	# get rid of safe::, as good as possible	1915	# get rid of safe::, as good as possible
1116	Symbol::delete_package "safe::$_"	1916	Symbol::delete_package "safe::$_"
1117	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1118		1918
1119	# remove register_script_function callbacks	1919	# remove register_script_function callbacks
1120	# TODO	1920	# TODO
1121		1921
1122	# unload cf.pm "a bit"	1922	# unload cf.pm "a bit"
…		…
1125	# don't, removes xs symbols, too,	1925	# don't, removes xs symbols, too,
1126	# and global variables created in xs	1926	# and global variables created in xs
1127	#Symbol::delete_package __PACKAGE__;	1927	#Symbol::delete_package __PACKAGE__;
1128		1928
1129	# reload cf.pm	1929	# reload cf.pm
1130	$msg->("reloading cf.pm");	1930	warn "reloading cf.pm";
1131	require cf;	1931	require cf;
		1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1132		1933
1133	# load config and database again	1934	# load config and database again
1134	cf::cfg_load;	1935	cf::cfg_load;
1135	cf::db_load;	1936	cf::db_load;
1136		1937
1137	# load extensions	1938	# load extensions
1138	$msg->("load extensions");	1939	warn "load extensions";
1139	cf::load_extensions;	1940	cf::load_extensions;
1140		1941
1141	# reattach attachments to objects	1942	# reattach attachments to objects
1142	$msg->("reattach");	1943	warn "reattach";
1143	_global_reattach;	1944	_global_reattach;
1144	};	1945	};
1145	$msg->($@) if $@;
1146		1946
1147	$msg->("reloaded");	1947	if ($@) {
		1948	warn $@;
		1949	warn "error while reloading, exiting.";
		1950	exit 1;
		1951	}
		1952
		1953	warn "reloaded successfully";
1148	};	1954	};
1149		1955
1150	sub perl_reload() {	1956	#############################################################################
1151	_perl_reload {
1152	warn $_[0];
1153	print "$_[0]\n";
1154	};
1155	}
1156		1957
		1958	unless ($LINK_MAP) {
		1959	$LINK_MAP = cf::map::new;
		1960
		1961	$LINK_MAP->width (41);
		1962	$LINK_MAP->height (41);
		1963	$LINK_MAP->alloc;
		1964	$LINK_MAP->path ("{link}");
		1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1967
		1968	# dirty hack because... archetypes are not yet loaded
		1969	Event->timer (
		1970	after => 2,
		1971	cb => sub {
		1972	$_[0]->w->cancel;
		1973
		1974	# provide some exits "home"
		1975	my $exit = cf::object::new "exit";
		1976
		1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1980
		1981	$LINK_MAP->insert ($exit->clone, 19, 19);
		1982	$LINK_MAP->insert ($exit->clone, 19, 20);
		1983	$LINK_MAP->insert ($exit->clone, 19, 21);
		1984	$LINK_MAP->insert ($exit->clone, 20, 19);
		1985	$LINK_MAP->insert ($exit->clone, 20, 21);
		1986	$LINK_MAP->insert ($exit->clone, 21, 19);
		1987	$LINK_MAP->insert ($exit->clone, 21, 20);
		1988	$LINK_MAP->insert ($exit->clone, 21, 21);
		1989
		1990	$exit->destroy;
		1991	});
		1992
		1993	$LINK_MAP->{deny_save} = 1;
		1994	$LINK_MAP->{deny_reset} = 1;
		1995
		1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
		1997	}
		1998
		1999	register "<global>", __PACKAGE__;
		2000
1157	register_command "perl-reload", 0, sub {	2001	register_command "reload" => sub {
1158	my ($who, $arg) = @_;	2002	my ($who, $arg) = @_;
1159		2003
1160	if ($who->flag (FLAG_WIZ)) {	2004	if ($who->flag (FLAG_WIZ)) {
1161	_perl_reload {	2005	$who->message ("start of reload.");
1162	warn $_[0];	2006	reload;
1163	$who->message ($_[0]);	2007	$who->message ("end of reload.");
1164	};
1165	}	2008	}
1166	};	2009	};
1167		2010
1168	register "<global>", __PACKAGE__;
1169
1170	unshift @INC, $LIBDIR;	2011	unshift @INC, $LIBDIR;
1171		2012
1172	$TICK_WATCHER = Event->timer (	2013	$TICK_WATCHER = Event->timer (
		2014	reentrant => 0,
1173	prio => 1,	2015	prio => 0,
1174	async => 1,
1175	at => $NEXT_TICK \|\| 1,	2016	at => $NEXT_TICK \|\| $TICK,
		2017	data => WF_AUTOCANCEL,
1176	cb => sub {	2018	cb => sub {
		2019	unless ($FREEZE) {
1177	cf::server_tick; # one server iteration	2020	cf::server_tick; # one server iteration
		2021	$RUNTIME += $TICK;
		2022	}
1178		2023
1179	my $NOW = Event::time;
1180	$NEXT_TICK += $TICK;	2024	$NEXT_TICK += $TICK;
1181		2025
1182	# if we are delayed by four ticks or more, skip them all	2026	# if we are delayed by four ticks or more, skip them all
1183	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1184		2028
1185	$TICK_WATCHER->at ($NEXT_TICK);	2029	$TICK_WATCHER->at ($NEXT_TICK);
1186	$TICK_WATCHER->start;	2030	$TICK_WATCHER->start;
1187	},	2031	},
1188	);	2032	);
1189		2033
1190	IO::AIO::max_poll_time $TICK * 0.2;	2034	IO::AIO::max_poll_time $TICK * 0.2;
1191		2035
		2036	Event->io (
1192	Event->io (fd => IO::AIO::poll_fileno,	2037	fd => IO::AIO::poll_fileno,
1193	poll => 'r',	2038	poll => 'r',
1194	prio => 5,	2039	prio => 5,
		2040	data => WF_AUTOCANCEL,
1195	cb => \&IO::AIO::poll_cb);	2041	cb => \&IO::AIO::poll_cb,
		2042	);
		2043
		2044	Event->timer (
		2045	data => WF_AUTOCANCEL,
		2046	after => 0,
		2047	interval => 10,
		2048	cb => sub {
		2049	(Coro::unblock_sub {
		2050	write_runtime
		2051	or warn "ERROR: unable to write runtime file: $!";
		2052	})->();
		2053	},
		2054	);
1196		2055
1197	1	2056	1
1198		2057

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.80 by root, Tue Nov 7 16:30:55 2006 UTC vs. Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.80 by root, Tue Nov 7 16:30:55 2006 UTC vs.
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC