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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.82 by root, Sun Dec 3 20:59:52 2006 UTC vs.
Revision 1.115 by root, Mon Jan 1 16:50:10 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 { }, $class;
		293
		294	# {... are special paths that are not touched
		295	# ?xxx/... are special absolute paths
		296	# ?random/... random maps
		297	# /! non-realised random map exit
		298	# /... normal maps
		299	# ~/... per-player maps without a specific player (DO NOT USE)
		300	# ~user/... per-player map of a specific user
		301
		302	if ($path =~ /^{/) {
		303	# fine as it is
		304	} elsif ($path =~ s{^\?random/}{}) {
		305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		306	$self->{random} = cf::from_json $data;
		307	} else {
		308	if ($path =~ s{^~([^/]+)?}{}) {
		309	$self->{user_rel} = 1;
		310
		311	if (defined $1) {
		312	$self->{user} = $1;
		313	} elsif ($base =~ m{^~([^/]+)/}) {
		314	$self->{user} = $1;
		315	} else {
		316	warn "cannot resolve user-relative path without user <$path,$base>\n";
		317	}
		318	} elsif ($path =~ /^\//) {
		319	# already absolute
		320	} else {
		321	$base =~ s{[^/]+/?$}{};
		322	return $class->new ("$base/$path");
		323	}
		324
		325	for ($path) {
		326	redo if s{/\.?/}{/};
		327	redo if s{/[^/]+/\.\./}{/};
		328	}
		329	}
		330
		331	$self->{path} = $path;
		332
		333	$self
		334	}
		335
		336	# the name / primary key / in-game path
		337	sub as_string {
		338	my ($self) = @_;
		339
		340	$self->{user_rel} ? "~$self->{user}$self->{path}"
		341	: $self->{random} ? "?random/$self->{path}"
		342	: $self->{path}
		343	}
		344
		345	# the displayed name, this is a one way mapping
		346	sub visible_name {
		347	my ($self) = @_;
		348
		349	# if (my $rmp = $self->{random}) {
		350	# # todo: be more intelligent about this
		351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		352	# } else {
		353	$self->as_string
		354	# }
		355	}
		356
		357	# escape the /'s in the path
		358	sub _escaped_path {
		359	# ∕ is U+2215
		360	(my $path = $_[0]{path}) =~ s/\//∕/g;
		361	$path
		362	}
		363
		364	# the original (read-only) location
		365	sub load_path {
		366	my ($self) = @_;
		367
		368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		369	}
		370
		371	# the temporary/swap location
		372	sub save_path {
		373	my ($self) = @_;
		374
		375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		378	}
		379
		380	# the unique path, might be eq to save_path
		381	sub uniq_path {
		382	my ($self) = @_;
		383
		384	$self->{user_rel} \|\| $self->{random}
		385	? undef
		386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		387	}
		388
		389	# return random map parameters, or undef
		390	sub random_map_params {
		391	my ($self) = @_;
		392
		393	$self->{random}
		394	}
		395
		396	# this is somewhat ugly, but style maps do need special treatment
		397	sub is_style_map {
		398	$_[0]{path} =~ m{^/styles/}
		399	}
		400
		401	package cf;
		402
		403	#############################################################################
		404
		405	=head2 ATTACHABLE OBJECTS
		406
		407	Many objects in crossfire are so-called attachable objects. That means you can
		408	attach callbacks/event handlers (a collection of which is called an "attachment")
		409	to it. All such attachable objects support the following methods.
		410
		411	In the following description, CLASS can be any of C<global>, C<object>
		412	C<player>, C<client> or C<map> (i.e. the attachable objects in
		413	crossfire+).
128		414
129	=over 4	415	=over 4
130		416
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...)	417	=item $attachable->attach ($attachment, key => $value...)
144		418
145	=item $map->detach ($attachment)	419	=item $attachable->detach ($attachment)
146		420
147	Attach/detach a pre-registered attachment to a map.	421	Attach/detach a pre-registered attachment to a specific object and give it
		422	the specified key/value pairs as arguments.
148		423
149	=item $bool = $object->attached ($name)	424	Example, attach a minesweeper attachment to the given object, making it a
		425	10x10 minesweeper game:
150		426
151	=item $bool = $player->attached ($name)	427	$obj->attach (minesweeper => width => 10, height => 10);
152		428
153	=item $bool = $map->attached ($name)	429	=item $bool = $attachable->attached ($name)
154		430
155	Checks wether the named attachment is currently attached to the object.	431	Checks wether the named attachment is currently attached to the object.
156		432
157	=item cf::attach_global ...	433	=item cf::CLASS->attach ...
158		434
159	Attach handlers for global events.	435	=item cf::CLASS->detach ...
160		436
161	This and all following C<attach_*>-functions expect any number of the	437	Define an anonymous attachment and attach it to all objects of the given
162	following handler/hook descriptions:	438	CLASS. See the next function for an explanation of its arguments.
		439
		440	You can attach to global events by using the C<cf::global> class.
		441
		442	Example, log all player logins:
		443
		444	cf::player->attach (
		445	on_login => sub {
		446	my ($pl) = @_;
		447	...
		448	},
		449	);
		450
		451	Example, attach to the jeweler skill:
		452
		453	cf::object->attach (
		454	type => cf::SKILL,
		455	subtype => cf::SK_JEWELER,
		456	on_use_skill => sub {
		457	my ($sk, $ob, $part, $dir, $msg) = @_;
		458	...
		459	},
		460	);
		461
		462	=item cf::CLASS::attachment $name, ...
		463
		464	Register an attachment by C<$name> through which attachable objects of the
		465	given CLASS can refer to this attachment.
		466
		467	Some classes such as crossfire maps and objects can specify attachments
		468	that are attached at load/instantiate time, thus the need for a name.
		469
		470	These calls expect any number of the following handler/hook descriptions:
163		471
164	=over 4	472	=over 4
165		473
166	=item prio => $number	474	=item prio => $number
167		475
…		…
169	by another C<prio> setting). Lower priority handlers get executed	477	by another C<prio> setting). Lower priority handlers get executed
170	earlier. The default priority is C<0>, and many built-in handlers are	478	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	479	registered at priority C<-1000>, so lower priorities should not be used
172	unless you know what you are doing.	480	unless you know what you are doing.
173		481
		482	=item type => $type
		483
		484	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		485	given type of objects only (the additional parameter C<subtype> can be
		486	used to further limit to the given subtype).
		487
174	=item on_I<event> => \&cb	488	=item on_I<event> => \&cb
175		489
176	Call the given code reference whenever the named event happens (event is	490	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	491	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	492	handlers are recognised generally depends on the type of object these
…		…
187	package and register them. Only handlers for eevents supported by the	501	package and register them. Only handlers for eevents supported by the
188	object/class are recognised.	502	object/class are recognised.
189		503
190	=back	504	=back
191		505
192	=item cf::attach_to_type $object_type, $subtype, ...	506	Example, define an attachment called "sockpuppet" that calls the given
		507	event handler when a monster attacks:
193		508
194	Attach handlers for a specific object type (e.g. TRANSPORT) and	509	cf::object::attachment sockpuppet =>
195	subtype. If C<$subtype> is zero or undef, matches all objects of the given	510	on_skill_attack => sub {
196	type.	511	my ($self, $victim) = @_;
197		512	...
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	}	513	}
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	514	}
419	}
420		515
421	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	516	=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		517
447	Just because you have a perl object does not mean that the corresponding	518	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	519	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	520	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	521	can be used to test for existence of the C object part without causing an
451	exception.	522	exception.
452		523
		524	=cut
		525
		526	# the following variables are defined in .xs and must not be re-created
		527	our @CB_GLOBAL = (); # registry for all global events
		528	our @CB_ATTACHABLE = (); # registry for all attachables
		529	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		530	our @CB_PLAYER = ();
		531	our @CB_CLIENT = ();
		532	our @CB_TYPE = (); # registry for type (cf-object class) based events
		533	our @CB_MAP = ();
		534
		535	my %attachment;
		536
		537	sub _attach_cb($$$$) {
		538	my ($registry, $event, $prio, $cb) = @_;
		539
		540	use sort 'stable';
		541
		542	$cb = [$prio, $cb];
		543
		544	@{$registry->[$event]} = sort
		545	{ $a->[0] cmp $b->[0] }
		546	@{$registry->[$event] \|\| []}, $cb;
		547	}
		548
		549	# hack
		550	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		551
		552	# attach handles attaching event callbacks
		553	# the only thing the caller has to do is pass the correct
		554	# registry (== where the callback attaches to).
		555	sub _attach {
		556	my ($registry, $klass, @arg) = @_;
		557
		558	my $object_type;
		559	my $prio = 0;
		560	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		561
		562	#TODO: get rid of this hack
		563	if ($attachable_klass{$klass}) {
		564	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		565	}
		566
		567	while (@arg) {
		568	my $type = shift @arg;
		569
		570	if ($type eq "prio") {
		571	$prio = shift @arg;
		572
		573	} elsif ($type eq "type") {
		574	$object_type = shift @arg;
		575	$registry = $CB_TYPE[$object_type] \|\|= [];
		576
		577	} elsif ($type eq "subtype") {
		578	defined $object_type or Carp::croak "subtype specified without type";
		579	my $object_subtype = shift @arg;
		580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];
		581
		582	} elsif ($type eq "package") {
		583	my $pkg = shift @arg;
		584
		585	while (my ($name, $id) = each %cb_id) {
		586	if (my $cb = $pkg->can ($name)) {
		587	_attach_cb $registry, $id, $prio, $cb;
		588	}
		589	}
		590
		591	} elsif (exists $cb_id{$type}) {
		592	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		593
		594	} elsif (ref $type) {
		595	warn "attaching objects not supported, ignoring.\n";
		596
		597	} else {
		598	shift @arg;
		599	warn "attach argument '$type' not supported, ignoring.\n";
		600	}
		601	}
		602	}
		603
		604	sub _object_attach {
		605	my ($obj, $name, %arg) = @_;
		606
		607	return if exists $obj->{_attachment}{$name};
		608
		609	if (my $attach = $attachment{$name}) {
		610	my $registry = $obj->registry;
		611
		612	for (@$attach) {
		613	my ($klass, @attach) = @$_;
		614	_attach $registry, $klass, @attach;
		615	}
		616
		617	$obj->{$name} = \%arg;
		618	} else {
		619	warn "object uses attachment '$name' that is not available, postponing.\n";
		620	}
		621
		622	$obj->{_attachment}{$name} = undef;
		623	}
		624
		625	sub cf::attachable::attach {
		626	if (ref $_[0]) {
		627	_object_attach @_;
		628	} else {
		629	_attach shift->_attach_registry, @_;
		630	}
		631	};
		632
		633	# all those should be optimised
		634	sub cf::attachable::detach {
		635	my ($obj, $name) = @_;
		636
		637	if (ref $obj) {
		638	delete $obj->{_attachment}{$name};
		639	reattach ($obj);
		640	} else {
		641	Carp::croak "cannot, currently, detach class attachments";
		642	}
		643	};
		644
		645	sub cf::attachable::attached {
		646	my ($obj, $name) = @_;
		647
		648	exists $obj->{_attachment}{$name}
		649	}
		650
		651	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		652	eval "#line " . __LINE__ . " 'cf.pm'
		653	sub cf::\L$klass\E::_attach_registry {
		654	(\\\@CB_$klass, KLASS_$klass)
		655	}
		656
		657	sub cf::\L$klass\E::attachment {
		658	my \$name = shift;
		659
		660	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		661	}
		662	";
		663	die if $@;
		664	}
		665
		666	our $override;
		667	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		668
		669	sub override {
		670	$override = 1;
		671	@invoke_results = ();
		672	}
		673
		674	sub do_invoke {
		675	my $event = shift;
		676	my $callbacks = shift;
		677
		678	@invoke_results = ();
		679
		680	local $override;
		681
		682	for (@$callbacks) {
		683	eval { &{$_->[1]} };
		684
		685	if ($@) {
		686	warn "$@";
		687	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		688	override;
		689	}
		690
		691	return 1 if $override;
		692	}
		693
		694	0
		695	}
		696
		697	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		698
		699	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		700
		701	Generate an object-specific event with the given arguments.
		702
		703	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		704	removed in future versions), and there is no public API to access override
		705	results (if you must, access C<@cf::invoke_results> directly).
		706
453	=back	707	=back
454		708
455	=cut	709	=cut
456
457	*cf::object::valid =
458	*cf::player::valid =
459	*cf::map::valid = \&cf::_valid;
460		710
461	#############################################################################	711	#############################################################################
462	# object support	712	# object support
463		713
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 {	714	sub reattach {
		715	# basically do the same as instantiate, without calling instantiate
478	my ($obj) = @_;	716	my ($obj) = @_;
		717
479	my $registry = $obj->registry;	718	my $registry = $obj->registry;
480		719
481	@$registry = ();	720	@$registry = ();
482		721
483	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	722	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
484		723
485	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	724	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
486	if (my $attach = $attachment{$name}) {	725	if (my $attach = $attachment{$name}) {
487	for (@$attach) {	726	for (@$attach) {
488	my ($klass, @attach) = @$_;	727	my ($klass, @attach) = @$_;
489	_attach @$registry, $klass, @attach;	728	_attach $registry, $klass, @attach;
490	}	729	}
491	} else {	730	} else {
492	warn "object uses attachment '$name' that is not available, postponing.\n";	731	warn "object uses attachment '$name' that is not available, postponing.\n";
493	}	732	}
494	}	733	}
495	}	734	}
496		735
497	sub object_freezer_save {	736	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	$$rdata . Dumper $objs
534	}
535
536	sub object_thawer_load {
537	my ($filename) = @_;
538
539	local $/;
540
541	my $av;
542
543	#TODO: use sysread etc.
544	if (open my $data, "<:raw:perlio", $filename) {
545	$data = <$data>;
546	if (open my $pst, "<:raw:perlio", "$filename.pst") {
547	$av = eval { (Storable::thaw <$pst>)->{objs} };
548	}
549	return ($data, $av);
550	}
551
552	()
553	}
554
555	attach_to_objects
556	prio => -1000000,	737	prio => -1000000,
		738	on_instantiate => sub {
		739	my ($obj, $data) = @_;
		740
		741	$data = from_json $data;
		742
		743	for (@$data) {
		744	my ($name, $args) = @$_;
		745
		746	$obj->attach ($name, %{$args \|\| {} });
		747	}
		748	},
		749	on_reattach => \&reattach,
557	on_clone => sub {	750	on_clone => sub {
558	my ($src, $dst) = @_;	751	my ($src, $dst) = @_;
559		752
560	@{$dst->registry} = @{$src->registry};	753	@{$dst->registry} = @{$src->registry};
561		754
562	%$dst = %$src;	755	%$dst = %$src;
563		756
564	%{$dst->{_attachment}} = %{$src->{_attachment}}	757	%{$dst->{_attachment}} = %{$src->{_attachment}}
565	if exists $src->{_attachment};	758	if exists $src->{_attachment};
566	},	759	},
567	;	760	);
		761
		762	sub object_freezer_save {
		763	my ($filename, $rdata, $objs) = @_;
		764
		765	sync_job {
		766	if (length $$rdata) {
		767	warn sprintf "saving %s (%d,%d)\n",
		768	$filename, length $$rdata, scalar @$objs;
		769
		770	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		771	chmod SAVE_MODE, $fh;
		772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		773	aio_fsync $fh;
		774	close $fh;
		775
		776	if (@$objs) {
		777	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		778	chmod SAVE_MODE, $fh;
		779	my $data = Storable::nfreeze { version => 1, objs => $objs };
		780	aio_write $fh, 0, (length $data), $data, 0;
		781	aio_fsync $fh;
		782	close $fh;
		783	aio_rename "$filename.pst~", "$filename.pst";
		784	}
		785	} else {
		786	aio_unlink "$filename.pst";
		787	}
		788
		789	aio_rename "$filename~", $filename;
		790	} else {
		791	warn "FATAL: $filename~: $!\n";
		792	}
		793	} else {
		794	aio_unlink $filename;
		795	aio_unlink "$filename.pst";
		796	}
		797	}
		798	}
		799
		800	sub object_freezer_as_string {
		801	my ($rdata, $objs) = @_;
		802
		803	use Data::Dumper;
		804
		805	$$rdata . Dumper $objs
		806	}
		807
		808	sub object_thawer_load {
		809	my ($filename) = @_;
		810
		811	my ($data, $av);
		812
		813	(aio_load $filename, $data) >= 0
		814	or return;
		815
		816	unless (aio_stat "$filename.pst") {
		817	(aio_load "$filename.pst", $av) >= 0
		818	or return;
		819	$av = eval { (Storable::thaw $av)->{objs} };
		820	}
		821
		822	return ($data, $av);
		823	}
568		824
569	#############################################################################	825	#############################################################################
570	# old plug-in events	826	# command handling &c
571		827
572	sub inject_event {	828	=item cf::register_command $name => \&callback($ob,$args);
573	my $extension = shift;
574	my $event_code = shift;
575		829
576	my $cb = $hook[$event_code]{$extension}	830	Register a callback for execution when the client sends the user command
577	or return;	831	$name.
578		832
579	&$cb	833	=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, $params);
596	}
597
598	-1
599	}
600		834
601	sub register_command {	835	sub register_command {
602	my ($name, $time, $cb) = @_;	836	my ($name, $cb) = @_;
603		837
604	my $caller = caller;	838	my $caller = caller;
605	#warn "registering command '$name/$time' to '$caller'";	839	#warn "registering command '$name/$time' to '$caller'";
606		840
607	push @{ $command{$name} }, [$time, $cb, $caller];	841	push @{ $COMMAND{$name} }, [$caller, $cb];
608	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
609	}	842	}
		843
		844	=item cf::register_extcmd $name => \&callback($pl,$packet);
		845
		846	Register a callbackf ro execution when the client sends an extcmd packet.
		847
		848	If the callback returns something, it is sent back as if reply was being
		849	called.
		850
		851	=cut
610		852
611	sub register_extcmd {	853	sub register_extcmd {
612	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
613		855
614	my $caller = caller;	856	my $caller = caller;
615	#warn "registering extcmd '$name' to '$caller'";	857	#warn "registering extcmd '$name' to '$caller'";
616		858
617	$extcmd{$name} = [$cb, $caller];	859	$EXTCMD{$name} = [$cb, $caller];
618	}	860	}
		861
		862	cf::player->attach (
		863	on_command => sub {
		864	my ($pl, $name, $params) = @_;
		865
		866	my $cb = $COMMAND{$name}
		867	or return;
		868
		869	for my $cmd (@$cb) {
		870	$cmd->[1]->($pl->ob, $params);
		871	}
		872
		873	cf::override;
		874	},
		875	on_extcmd => sub {
		876	my ($pl, $buf) = @_;
		877
		878	my $msg = eval { from_json $buf };
		879
		880	if (ref $msg) {
		881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
		882	if (my %reply = $cb->[0]->($pl, $msg)) {
		883	$pl->ext_reply ($msg->{msgid}, %reply);
		884	}
		885	}
		886	} else {
		887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		888	}
		889
		890	cf::override;
		891	},
		892	);
619		893
620	sub register {	894	sub register {
621	my ($base, $pkg) = @_;	895	my ($base, $pkg) = @_;
622		896
623	#TODO	897	#TODO
…		…
666	# for my $idx (0 .. $#PLUGIN_EVENT) {	940	# for my $idx (0 .. $#PLUGIN_EVENT) {
667	# delete $hook[$idx]{$pkg};	941	# delete $hook[$idx]{$pkg};
668	# }	942	# }
669		943
670	# remove commands	944	# remove commands
671	for my $name (keys %command) {	945	for my $name (keys %COMMAND) {
672	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
673		947
674	if (@cb) {	948	if (@cb) {
675	$command{$name} = \@cb;	949	$COMMAND{$name} = \@cb;
676	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
677	} else {	950	} else {
678	delete $command{$name};
679	delete $COMMAND{"$name\000"};	951	delete $COMMAND{$name};
680	}	952	}
681	}	953	}
682		954
683	# remove extcmds	955	# remove extcmds
684	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
685	delete $extcmd{$name};	957	delete $EXTCMD{$name};
686	}	958	}
687		959
688	if (my $cb = $pkg->can ("unload")) {	960	if (my $cb = $pkg->can ("unload")) {
689	eval {	961	eval {
690	$cb->($pkg);	962	$cb->($pkg);
…		…
694		966
695	Symbol::delete_package $pkg;	967	Symbol::delete_package $pkg;
696	}	968	}
697		969
698	sub load_extensions {	970	sub load_extensions {
699	my $LIBDIR = maps_directory "perl";
700
701	for my $ext (<$LIBDIR/*.ext>) {	971	for my $ext (<$LIBDIR/*.ext>) {
702	next unless -r $ext;	972	next unless -r $ext;
703	eval {	973	eval {
704	load_extension $ext;	974	load_extension $ext;
705	1	975	1
706	} or warn "$ext not loaded: $@";	976	} or warn "$ext not loaded: $@";
707	}	977	}
708	}	978	}
709		979
710	#############################################################################	980	#############################################################################
711	# extcmd framework, basically convert ext <msg>
712	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
713
714	attach_to_players
715	on_extcmd => sub {
716	my ($pl, $buf) = @_;
717
718	my $msg = eval { from_json $buf };
719
720	if (ref $msg) {
721	if (my $cb = $extcmd{$msg->{msgtype}}) {
722	if (my %reply = $cb->[0]->($pl, $msg)) {
723	$pl->ext_reply ($msg->{msgid}, %reply);
724	}
725	}
726	} else {
727	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
728	}
729
730	cf::override;
731	},
732	;
733
734	#############################################################################
735	# load/save/clean perl data associated with a map	981	# load/save/clean perl data associated with a map
736		982
737	*cf::mapsupport::on_clean = sub {	983	*cf::mapsupport::on_clean = sub {
738	my ($map) = @_;	984	my ($map) = @_;
739		985
…		…
741	defined $path or return;	987	defined $path or return;
742		988
743	unlink "$path.pst";	989	unlink "$path.pst";
744	};	990	};
745		991
746	attach_to_maps prio => -10000, package => cf::mapsupport::;	992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
747		993
748	#############################################################################	994	#############################################################################
749	# load/save perl data associated with player->ob objects	995	# load/save perl data associated with player->ob objects
750		996
751	sub all_objects(@) {	997	sub all_objects(@) {
752	@_, map all_objects ($_->inv), @_	998	@_, map all_objects ($_->inv), @_
753	}	999	}
754		1000
755	# TODO: compatibility cruft, remove when no longer needed	1001	# TODO: compatibility cruft, remove when no longer needed
756	attach_to_players	1002	cf::player->attach (
757	on_load => sub {	1003	on_load => sub {
758	my ($pl, $path) = @_;	1004	my ($pl, $path) = @_;
759		1005
760	for my $o (all_objects $pl->ob) {	1006	for my $o (all_objects $pl->ob) {
761	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
763		1009
764	%$o = %{ Storable::thaw pack "H*", $value };	1010	%$o = %{ Storable::thaw pack "H*", $value };
765	}	1011	}
766	}	1012	}
767	},	1013	},
768	;	1014	);
769		1015
770	#############################################################################	1016	#############################################################################
771		1017
772	=head2 CORE EXTENSIONS	1018	=head2 CORE EXTENSIONS
773		1019
774	Functions and methods that extend core crossfire objects.	1020	Functions and methods that extend core crossfire objects.
		1021
		1022	=head3 cf::player
775		1023
776	=over 4	1024	=over 4
777		1025
778	=item cf::player::exists $login	1026	=item cf::player::exists $login
779		1027
…		…
784	sub cf::player::exists($) {	1032	sub cf::player::exists($) {
785	cf::player::find $_[0]	1033	cf::player::find $_[0]
786	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
787	}	1035	}
788		1036
		1037	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1038
		1039	Sends an ext reply to the player.
		1040
		1041	=cut
		1042
		1043	sub cf::player::ext_reply($$$%) {
		1044	my ($self, $id, %msg) = @_;
		1045
		1046	$msg{msgid} = $id;
		1047
		1048	$self->send ("ext " . to_json \%msg);
		1049	}
		1050
		1051	=back
		1052
		1053
		1054	=head3 cf::map
		1055
		1056	=over 4
		1057
		1058	=cut
		1059
		1060	package cf::map;
		1061
		1062	use Fcntl;
		1063	use Coro::AIO;
		1064
		1065	our $MAX_RESET = 7200;
		1066	our $DEFAULT_RESET = 3600;
		1067
		1068	sub generate_random_map {
		1069	my ($path, $rmp) = @_;
		1070
		1071	# mit "rum" bekleckern, nicht
		1072	cf::map::_create_random_map
		1073	$path,
		1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1077	$rmp->{exit_on_final_map},
		1078	$rmp->{xsize}, $rmp->{ysize},
		1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1084	(cf::region::find $rmp->{region})
		1085	}
		1086
		1087	# and all this just because we cannot iterate over
		1088	# all maps in C++...
		1089	sub change_all_map_light {
		1090	my ($change) = @_;
		1091
		1092	$_->change_map_light ($change) for values %cf::MAP;
		1093	}
		1094
		1095	sub try_load_header($) {
		1096	my ($path) = @_;
		1097
		1098	utf8::encode $path;
		1099	aio_open $path, O_RDONLY, 0
		1100	or return;
		1101
		1102	my $map = cf::map::new
		1103	or return;
		1104
		1105	$map->load_header ($path)
		1106	or return;
		1107
		1108	$map->{load_path} = $path;
		1109
		1110	$map
		1111	}
		1112
		1113	sub find_map {
		1114	my ($path, $origin) = @_;
		1115
		1116	#warn "find_map<$path,$origin>\n";#d#
		1117
		1118	$path = new cf::path $path, $origin && $origin->path;
		1119	my $key = $path->as_string;
		1120
		1121	$cf::MAP{$key} \|\| do {
		1122	# do it the slow way
		1123	my $map = try_load_header $path->save_path;
		1124
		1125	if ($map) {
		1126	# safety
		1127	$map->{instantiate_time} = $cf::RUNTIME
		1128	if $map->{instantiate_time} > $cf::RUNTIME;
		1129	} else {
		1130	if (my $rmp = $path->random_map_params) {
		1131	$map = generate_random_map $key, $rmp;
		1132	} else {
		1133	$map = try_load_header $path->load_path;
		1134	}
		1135
		1136	$map or return;
		1137
		1138	$map->{load_original} = 1;
		1139	$map->{instantiate_time} = $cf::RUNTIME;
		1140	$map->instantiate;
		1141
		1142	# per-player maps become, after loading, normal maps
		1143	$map->per_player (0) if $path->{user_rel};
		1144	}
		1145
		1146	$map->path ($key);
		1147	$map->{path} = $path;
		1148	$map->last_access ($cf::RUNTIME);
		1149
		1150	if ($map->should_reset) {
		1151	$map->reset;
		1152	$map = find_map $path;
		1153	}
		1154
		1155	$cf::MAP{$key} = $map
		1156	}
		1157	}
		1158
		1159	sub load {
		1160	my ($self) = @_;
		1161
		1162	return if $self->in_memory != cf::MAP_SWAPPED;
		1163
		1164	$self->in_memory (cf::MAP_LOADING);
		1165
		1166	my $path = $self->{path};
		1167
		1168	$self->alloc;
		1169	$self->load_objects ($self->{load_path}, 1)
		1170	or return;
		1171
		1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1173	if delete $self->{load_original};
		1174
		1175	if (my $uniq = $path->uniq_path) {
		1176	utf8::encode $uniq;
		1177	if (aio_open $uniq, O_RDONLY, 0) {
		1178	$self->clear_unique_items;
		1179	$self->load_objects ($uniq, 0);
		1180	}
		1181	}
		1182
		1183	# now do the right thing for maps
		1184	$self->link_multipart_objects;
		1185
		1186	if ($self->{path}->is_style_map) {
		1187	$self->{deny_save} = 1;
		1188	$self->{deny_reset} = 1;
		1189	} else {
		1190	$self->fix_auto_apply;
		1191	$self->decay_objects;
		1192	$self->update_buttons;
		1193	$self->set_darkness_map;
		1194	$self->difficulty ($self->estimate_difficulty)
		1195	unless $self->difficulty;
		1196	$self->activate;
		1197	}
		1198
		1199	$self->in_memory (cf::MAP_IN_MEMORY);
		1200	}
		1201
		1202	sub load_map_sync {
		1203	my ($path, $origin) = @_;
		1204
		1205	#warn "load_map_sync<$path, $origin>\n";#d#
		1206
		1207	cf::sync_job {
		1208	my $map = cf::map::find_map $path, $origin
		1209	or return;
		1210	$map->load;
		1211	$map
		1212	}
		1213	}
		1214
		1215	sub save {
		1216	my ($self) = @_;
		1217
		1218	my $save = $self->{path}->save_path; utf8::encode $save;
		1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1220
		1221	$self->{last_save} = $cf::RUNTIME;
		1222
		1223	return unless $self->dirty;
		1224
		1225	$self->{load_path} = $save;
		1226
		1227	return if $self->{deny_save};
		1228
		1229	if ($uniq) {
		1230	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1231	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1232	} else {
		1233	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1234	}
		1235	}
		1236
		1237	sub swap_out {
		1238	my ($self) = @_;
		1239
		1240	return if $self->players;
		1241	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1242	return if $self->{deny_save};
		1243
		1244	$self->save;
		1245	$self->clear;
		1246	$self->in_memory (cf::MAP_SWAPPED);
		1247	}
		1248
		1249	sub reset_at {
		1250	my ($self) = @_;
		1251
		1252	# TODO: safety, remove and allow resettable per-player maps
		1253	return 1e99 if $self->{path}{user_rel};
		1254	return 1e99 if $self->{deny_reset};
		1255
		1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1258
		1259	$time + $to
		1260	}
		1261
		1262	sub should_reset {
		1263	my ($self) = @_;
		1264
		1265	$self->reset_at <= $cf::RUNTIME
		1266	}
		1267
		1268	sub unlink_save {
		1269	my ($self) = @_;
		1270
		1271	utf8::encode (my $save = $self->{path}->save_path);
		1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1274	}
		1275
		1276	sub rename {
		1277	my ($self, $new_path) = @_;
		1278
		1279	$self->unlink_save;
		1280
		1281	delete $cf::MAP{$self->path};
		1282	$self->{path} = new cf::path $new_path;
		1283	$self->path ($self->{path}->as_string);
		1284	$cf::MAP{$self->path} = $self;
		1285
		1286	$self->save;
		1287	}
		1288
		1289	sub reset {
		1290	my ($self) = @_;
		1291
		1292	return if $self->players;
		1293	return if $self->{path}{user_rel};#d#
		1294
		1295	warn "resetting map ", $self->path;#d#
		1296
		1297	delete $cf::MAP{$self->path};
		1298
		1299	$_->clear_links_to ($self) for values %cf::MAP;
		1300
		1301	$self->unlink_save;
		1302	$self->destroy;
		1303	}
		1304
		1305	my $nuke_counter = "aaaa";
		1306
		1307	sub nuke {
		1308	my ($self) = @_;
		1309
		1310	$self->{deny_save} = 1;
		1311	$self->reset_timeout (1);
		1312	$self->rename ("{nuke}/" . ($nuke_counter++));
		1313	$self->reset; # polite request, might not happen
		1314	}
		1315
		1316	sub customise_for {
		1317	my ($map, $ob) = @_;
		1318
		1319	if ($map->per_player) {
		1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1321	}
		1322
		1323	$map
		1324	}
		1325
		1326	sub emergency_save {
		1327	local $cf::FREEZE = 1;
		1328
		1329	warn "enter emergency map save\n";
		1330
		1331	cf::sync_job {
		1332	warn "begin emergency map save\n";
		1333	$_->save for values %cf::MAP;
		1334	};
		1335
		1336	warn "end emergency map save\n";
		1337	}
		1338
		1339	package cf;
		1340
		1341	=back
		1342
		1343
		1344	=head3 cf::object::player
		1345
		1346	=over 4
		1347
789	=item $player_object->reply ($npc, $msg[, $flags])	1348	=item $player_object->reply ($npc, $msg[, $flags])
790		1349
791	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1350	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
792	can be C<undef>. Does the right thing when the player is currently in a	1351	can be C<undef>. Does the right thing when the player is currently in a
793	dialogue with the given NPC character.	1352	dialogue with the given NPC character.
794		1353
795	=cut	1354	=cut
796		1355
797	# rough implementation of a future "reply" method that works	1356	# rough implementation of a future "reply" method that works
798	# with dialog boxes.	1357	# with dialog boxes.
		1358	#TODO: the first argument must go, split into a $npc->reply_to ( method
799	sub cf::object::player::reply($$$;$) {	1359	sub cf::object::player::reply($$$;$) {
800	my ($self, $npc, $msg, $flags) = @_;	1360	my ($self, $npc, $msg, $flags) = @_;
801		1361
802	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1362	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
803		1363
…		…
807	$msg = $npc->name . " says: $msg" if $npc;	1367	$msg = $npc->name . " says: $msg" if $npc;
808	$self->message ($msg, $flags);	1368	$self->message ($msg, $flags);
809	}	1369	}
810	}	1370	}
811		1371
812	=item $player->ext_reply ($msgid, $msgtype, %msg)
813
814	Sends an ext reply to the player.
815
816	=cut
817
818	sub cf::player::ext_reply($$$%) {
819	my ($self, $id, %msg) = @_;
820
821	$msg{msgid} = $id;
822
823	$self->send ("ext " . to_json \%msg);
824	}
825
826	=item $player_object->may ("access")	1372	=item $player_object->may ("access")
827		1373
828	Returns wether the given player is authorized to access resource "access"	1374	Returns wether the given player is authorized to access resource "access"
829	(e.g. "command_wizcast").	1375	(e.g. "command_wizcast").
830		1376
…		…
837	(ref $cf::CFG{"may_$access"}	1383	(ref $cf::CFG{"may_$access"}
838	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1384	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
839	: $cf::CFG{"may_$access"})	1385	: $cf::CFG{"may_$access"})
840	}	1386	}
841		1387
842	=cut	1388	=item $player_object->enter_link
843		1389
844	#############################################################################	1390	Freezes the player and moves him/her to a special map (C<{link}>).
		1391
		1392	The player should be reaosnably safe there for short amounts of time. You
		1393	I<MUST> call C<leave_link> as soon as possible, though.
		1394
		1395	=item $player_object->leave_link ($map, $x, $y)
		1396
		1397	Moves the player out of the specila link map onto the given map. If the
		1398	map is not valid (or omitted), the player will be moved back to the
		1399	location he/she was before the call to C<enter_link>, or, if that fails,
		1400	to the emergency map position.
		1401
		1402	Might block.
		1403
		1404	=cut
		1405
		1406	sub cf::object::player::enter_link {
		1407	my ($self) = @_;
		1408
		1409	return if $self->map == $LINK_MAP;
		1410
		1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1412	if $self->map;
		1413
		1414	$self->enter_map ($LINK_MAP, 20, 20);
		1415	$self->deactivate_recursive;
		1416	}
		1417
		1418	sub cf::object::player::leave_link {
		1419	my ($self, $map, $x, $y) = @_;
		1420
		1421	my $link_pos = delete $self->{_link_pos};
		1422
		1423	unless ($map) {
		1424	# restore original map position
		1425	($map, $x, $y) = @{ $link_pos \|\| [] };
		1426	$map = cf::map::find_map $map;
		1427
		1428	unless ($map) {
		1429	($map, $x, $y) = @$EMERGENCY_POSITION;
		1430	$map = cf::map::find_map $map
		1431	or die "FATAL: cannot load emergency map\n";
		1432	}
		1433	}
		1434
		1435	($x, $y) = (-1, -1)
		1436	unless (defined $x) && (defined $y);
		1437
		1438	# use -1 or undef as default coordinates, not 0, 0
		1439	($x, $y) = ($map->enter_x, $map->enter_y)
		1440	if $x <=0 && $y <= 0;
		1441
		1442	$map->load;
		1443
		1444	$self->activate_recursive;
		1445	$self->enter_map ($map, $x, $y);
		1446	}
		1447
		1448	=item $player_object->goto_map ($map, $x, $y)
		1449
		1450	=cut
		1451
		1452	sub cf::object::player::goto_map {
		1453	my ($self, $path, $x, $y) = @_;
		1454
		1455	$self->enter_link;
		1456
		1457	(Coro::async {
		1458	$path = new cf::path $path;
		1459
		1460	my $map = cf::map::find_map $path->as_string;
		1461	$map = $map->customise_for ($self) if $map;
		1462
		1463	warn "entering ", $map->path, " at ($x, $y)\n"
		1464	if $map;
		1465
		1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1467
		1468	$self->leave_link ($map, $x, $y);
		1469	})->prio (1);
		1470	}
		1471
		1472	=item $player_object->enter_exit ($exit_object)
		1473
		1474	=cut
		1475
		1476	sub parse_random_map_params {
		1477	my ($spec) = @_;
		1478
		1479	my $rmp = { # defaults
		1480	xsize => 10,
		1481	ysize => 10,
		1482	};
		1483
		1484	for (split /\n/, $spec) {
		1485	my ($k, $v) = split /\s+/, $_, 2;
		1486
		1487	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1488	}
		1489
		1490	$rmp
		1491	}
		1492
		1493	sub prepare_random_map {
		1494	my ($exit) = @_;
		1495
		1496	# all this does is basically replace the /! path by
		1497	# a new random map path (?random/...) with a seed
		1498	# that depends on the exit object
		1499
		1500	my $rmp = parse_random_map_params $exit->msg;
		1501
		1502	if ($exit->map) {
		1503	$rmp->{region} = $exit->map->region_name;
		1504	$rmp->{origin_map} = $exit->map->path;
		1505	$rmp->{origin_x} = $exit->x;
		1506	$rmp->{origin_y} = $exit->y;
		1507	}
		1508
		1509	$rmp->{random_seed} \|\|= $exit->random_seed;
		1510
		1511	my $data = cf::to_json $rmp;
		1512	my $md5 = Digest::MD5::md5_hex $data;
		1513
		1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1515	aio_write $fh, 0, (length $data), $data, 0;
		1516
		1517	$exit->slaying ("?random/$md5");
		1518	$exit->msg (undef);
		1519	}
		1520	}
		1521
		1522	sub cf::object::player::enter_exit {
		1523	my ($self, $exit) = @_;
		1524
		1525	return unless $self->type == cf::PLAYER;
		1526
		1527	$self->enter_link;
		1528
		1529	(Coro::async {
		1530	unless (eval {
		1531
		1532	prepare_random_map $exit
		1533	if $exit->slaying eq "/!";
		1534
		1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1537
		1538	1;
		1539	}) {
		1540	$self->message ("Something went wrong deep within the crossfire server. "
		1541	. "I'll try to bring you back to the map you were before. "
		1542	. "Please report this to the dungeon master",
		1543	cf::NDI_UNIQUE \| cf::NDI_RED);
		1544
		1545	warn "ERROR in enter_exit: $@";
		1546	$self->leave_link;
		1547	}
		1548	})->prio (1);
		1549	}
		1550
		1551	=head3 cf::client
		1552
		1553	=over 4
		1554
		1555	=item $client->send_drawinfo ($text, $flags)
		1556
		1557	Sends a drawinfo packet to the client. Circumvents output buffering so
		1558	should not be used under normal circumstances.
		1559
		1560	=cut
		1561
		1562	sub cf::client::send_drawinfo {
		1563	my ($self, $text, $flags) = @_;
		1564
		1565	utf8::encode $text;
		1566	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1567	}
		1568
		1569
		1570	=item $success = $client->query ($flags, "text", \&cb)
		1571
		1572	Queues a query to the client, calling the given callback with
		1573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1575
		1576	Queries can fail, so check the return code. Or don't, as queries will become
		1577	reliable at some point in the future.
		1578
		1579	=cut
		1580
		1581	sub cf::client::query {
		1582	my ($self, $flags, $text, $cb) = @_;
		1583
		1584	return unless $self->state == ST_PLAYING
		1585	\|\| $self->state == ST_SETUP
		1586	\|\| $self->state == ST_CUSTOM;
		1587
		1588	$self->state (ST_CUSTOM);
		1589
		1590	utf8::encode $text;
		1591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1592
		1593	$self->send_packet ($self->{query_queue}[0][0])
		1594	if @{ $self->{query_queue} } == 1;
		1595	}
		1596
		1597	cf::client->attach (
		1598	on_reply => sub {
		1599	my ($ns, $msg) = @_;
		1600
		1601	# this weird shuffling is so that direct followup queries
		1602	# get handled first
		1603	my $queue = delete $ns->{query_queue};
		1604
		1605	(shift @$queue)->[1]->($msg);
		1606
		1607	push @{ $ns->{query_queue} }, @$queue;
		1608
		1609	if (@{ $ns->{query_queue} } == @$queue) {
		1610	if (@$queue) {
		1611	$ns->send_packet ($ns->{query_queue}[0][0]);
		1612	} else {
		1613	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1614	}
		1615	}
		1616	},
		1617	);
		1618
		1619	=item $client->coro (\&cb)
		1620
		1621	Create a new coroutine, running the specified callback. The coroutine will
		1622	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1623	or loss of connection).
		1624
		1625	=cut
		1626
		1627	sub cf::client::coro {
		1628	my ($self, $cb) = @_;
		1629
		1630	my $coro; $coro = async {
		1631	eval {
		1632	$cb->();
		1633	};
		1634	warn $@ if $@;
		1635	};
		1636
		1637	$coro->on_destroy (sub {
		1638	delete $self->{_coro}{$coro+0};
		1639	});
		1640
		1641	$self->{_coro}{$coro+0} = $coro;
		1642
		1643	$coro
		1644	}
		1645
		1646	cf::client->attach (
		1647	on_destroy => sub {
		1648	my ($ns) = @_;
		1649
		1650	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1651	},
		1652	);
		1653
		1654	=back
		1655
845		1656
846	=head2 SAFE SCRIPTING	1657	=head2 SAFE SCRIPTING
847		1658
848	Functions that provide a safe environment to compile and execute	1659	Functions that provide a safe environment to compile and execute
849	snippets of perl code without them endangering the safety of the server	1660	snippets of perl code without them endangering the safety of the server
…		…
864		1675
865	=pod	1676	=pod
866		1677
867	The following fucntions and emthods are available within a safe environment:	1678	The following fucntions and emthods are available within a safe environment:
868		1679
869	cf::object contr pay_amount pay_player	1680	cf::object contr pay_amount pay_player map
870	cf::object::player player	1681	cf::object::player player
871	cf::player peaceful	1682	cf::player peaceful
		1683	cf::map trigger
872		1684
873	=cut	1685	=cut
874		1686
875	for (	1687	for (
876	["cf::object" => qw(contr pay_amount pay_player)],	1688	["cf::object" => qw(contr pay_amount pay_player map)],
877	["cf::object::player" => qw(player)],	1689	["cf::object::player" => qw(player)],
878	["cf::player" => qw(peaceful)],	1690	["cf::player" => qw(peaceful)],
		1691	["cf::map" => qw(trigger)],
879	) {	1692	) {
880	no strict 'refs';	1693	no strict 'refs';
881	my ($pkg, @funs) = @$_;	1694	my ($pkg, @funs) = @$_;
882	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1695	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
883	for @funs;	1696	for @funs;
…		…
1023	sub db_sync() {	1836	sub db_sync() {
1024	db_save if $dirty;	1837	db_save if $dirty;
1025	undef $dirty;	1838	undef $dirty;
1026	}	1839	}
1027		1840
1028	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1029	db_sync;	1842	db_sync;
1030	});	1843	});
1031		1844
1032	sub db_dirty() {	1845	sub db_dirty() {
1033	$dirty = 1;	1846	$dirty = 1;
…		…
1047	$DB->{$_[0]} = $_[1];	1860	$DB->{$_[0]} = $_[1];
1048	}	1861	}
1049	db_dirty;	1862	db_dirty;
1050	}	1863	}
1051		1864
1052	attach_global	1865	cf::global->attach (
1053	prio => 10000,	1866	prio => 10000,
1054	on_cleanup => sub {	1867	on_cleanup => sub {
1055	db_sync;	1868	db_sync;
1056	},	1869	},
1057	;	1870	);
1058	}	1871	}
1059		1872
1060	#############################################################################	1873	#############################################################################
1061	# the server's main()	1874	# the server's main()
1062		1875
…		…
1067	local $/;	1880	local $/;
1068	*CFG = YAML::Syck::Load <$fh>;	1881	*CFG = YAML::Syck::Load <$fh>;
1069	}	1882	}
1070		1883
1071	sub main {	1884	sub main {
		1885	# we must not ever block the main coroutine
		1886	local $Coro::idle = sub {
		1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1888	(Coro::unblock_sub {
		1889	Event::one_event;
		1890	})->();
		1891	};
		1892
1072	cfg_load;	1893	cfg_load;
1073	db_load;	1894	db_load;
1074	load_extensions;	1895	load_extensions;
1075	Event::loop;	1896	Event::loop;
1076	}	1897	}
1077		1898
1078	#############################################################################	1899	#############################################################################
1079	# initialisation	1900	# initialisation
1080		1901
1081	sub _perl_reload(&) {	1902	sub reload() {
1082	my ($msg) = @_;	1903	# can/must only be called in main
		1904	if ($Coro::current != $Coro::main) {
		1905	warn "can only reload from main coroutine\n";
		1906	return;
		1907	}
1083		1908
1084	$msg->("reloading...");	1909	warn "reloading...";
		1910
		1911	local $FREEZE = 1;
		1912	cf::emergency_save;
1085		1913
1086	eval {	1914	eval {
		1915	# if anything goes wrong in here, we should simply crash as we already saved
		1916
1087	# cancel all watchers	1917	# cancel all watchers
1088	$_->cancel for Event::all_watchers;	1918	for (Event::all_watchers) {
		1919	$_->cancel if $_->data & WF_AUTOCANCEL;
		1920	}
		1921
		1922	# cancel all extension coros
		1923	$_->cancel for values %EXT_CORO;
		1924	%EXT_CORO = ();
1089		1925
1090	# unload all extensions	1926	# unload all extensions
1091	for (@exts) {	1927	for (@exts) {
1092	$msg->("unloading <$_>");	1928	warn "unloading <$_>";
1093	unload_extension $_;	1929	unload_extension $_;
1094	}	1930	}
1095		1931
1096	# unload all modules loaded from $LIBDIR	1932	# unload all modules loaded from $LIBDIR
1097	while (my ($k, $v) = each %INC) {	1933	while (my ($k, $v) = each %INC) {
1098	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1099		1935
1100	$msg->("removing <$k>");	1936	warn "removing <$k>";
1101	delete $INC{$k};	1937	delete $INC{$k};
1102		1938
1103	$k =~ s/\.pm$//;	1939	$k =~ s/\.pm$//;
1104	$k =~ s/\//::/g;	1940	$k =~ s/\//::/g;
1105		1941
…		…
1110	Symbol::delete_package $k;	1946	Symbol::delete_package $k;
1111	}	1947	}
1112		1948
1113	# sync database to disk	1949	# sync database to disk
1114	cf::db_sync;	1950	cf::db_sync;
		1951	IO::AIO::flush;
1115		1952
1116	# get rid of safe::, as good as possible	1953	# get rid of safe::, as good as possible
1117	Symbol::delete_package "safe::$_"	1954	Symbol::delete_package "safe::$_"
1118	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1119		1956
1120	# remove register_script_function callbacks	1957	# remove register_script_function callbacks
1121	# TODO	1958	# TODO
1122		1959
1123	# unload cf.pm "a bit"	1960	# unload cf.pm "a bit"
…		…
1126	# don't, removes xs symbols, too,	1963	# don't, removes xs symbols, too,
1127	# and global variables created in xs	1964	# and global variables created in xs
1128	#Symbol::delete_package __PACKAGE__;	1965	#Symbol::delete_package __PACKAGE__;
1129		1966
1130	# reload cf.pm	1967	# reload cf.pm
1131	$msg->("reloading cf.pm");	1968	warn "reloading cf.pm";
1132	require cf;	1969	require cf;
		1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1133		1971
1134	# load config and database again	1972	# load config and database again
1135	cf::cfg_load;	1973	cf::cfg_load;
1136	cf::db_load;	1974	cf::db_load;
1137		1975
1138	# load extensions	1976	# load extensions
1139	$msg->("load extensions");	1977	warn "load extensions";
1140	cf::load_extensions;	1978	cf::load_extensions;
1141		1979
1142	# reattach attachments to objects	1980	# reattach attachments to objects
1143	$msg->("reattach");	1981	warn "reattach";
1144	_global_reattach;	1982	_global_reattach;
1145	};	1983	};
1146	$msg->($@) if $@;
1147		1984
1148	$msg->("reloaded");	1985	if ($@) {
		1986	warn $@;
		1987	warn "error while reloading, exiting.";
		1988	exit 1;
		1989	}
		1990
		1991	warn "reloaded successfully";
1149	};	1992	};
1150		1993
1151	sub perl_reload() {	1994	#############################################################################
1152	_perl_reload {
1153	warn $_[0];
1154	print "$_[0]\n";
1155	};
1156	}
1157		1995
		1996	unless ($LINK_MAP) {
		1997	$LINK_MAP = cf::map::new;
		1998
		1999	$LINK_MAP->width (41);
		2000	$LINK_MAP->height (41);
		2001	$LINK_MAP->alloc;
		2002	$LINK_MAP->path ("{link}");
		2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2005
		2006	# dirty hack because... archetypes are not yet loaded
		2007	Event->timer (
		2008	after => 2,
		2009	cb => sub {
		2010	$_[0]->w->cancel;
		2011
		2012	# provide some exits "home"
		2013	my $exit = cf::object::new "exit";
		2014
		2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2018
		2019	$LINK_MAP->insert ($exit->clone, 19, 19);
		2020	$LINK_MAP->insert ($exit->clone, 19, 20);
		2021	$LINK_MAP->insert ($exit->clone, 19, 21);
		2022	$LINK_MAP->insert ($exit->clone, 20, 19);
		2023	$LINK_MAP->insert ($exit->clone, 20, 21);
		2024	$LINK_MAP->insert ($exit->clone, 21, 19);
		2025	$LINK_MAP->insert ($exit->clone, 21, 20);
		2026	$LINK_MAP->insert ($exit->clone, 21, 21);
		2027
		2028	$exit->destroy;
		2029	});
		2030
		2031	$LINK_MAP->{deny_save} = 1;
		2032	$LINK_MAP->{deny_reset} = 1;
		2033
		2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
		2035	}
		2036
		2037	register "<global>", __PACKAGE__;
		2038
1158	register_command "perl-reload", 0, sub {	2039	register_command "reload" => sub {
1159	my ($who, $arg) = @_;	2040	my ($who, $arg) = @_;
1160		2041
1161	if ($who->flag (FLAG_WIZ)) {	2042	if ($who->flag (FLAG_WIZ)) {
1162	_perl_reload {	2043	$who->message ("start of reload.");
1163	warn $_[0];	2044	reload;
1164	$who->message ($_[0]);	2045	$who->message ("end of reload.");
1165	};
1166	}	2046	}
1167	};	2047	};
1168		2048
1169	register "<global>", __PACKAGE__;
1170
1171	unshift @INC, $LIBDIR;	2049	unshift @INC, $LIBDIR;
1172		2050
1173	$TICK_WATCHER = Event->timer (	2051	$TICK_WATCHER = Event->timer (
		2052	reentrant => 0,
1174	prio => 1,	2053	prio => 0,
1175	async => 1,
1176	at => $NEXT_TICK \|\| 1,	2054	at => $NEXT_TICK \|\| $TICK,
		2055	data => WF_AUTOCANCEL,
1177	cb => sub {	2056	cb => sub {
		2057	unless ($FREEZE) {
1178	cf::server_tick; # one server iteration	2058	cf::server_tick; # one server iteration
		2059	$RUNTIME += $TICK;
		2060	}
1179		2061
1180	my $NOW = Event::time;
1181	$NEXT_TICK += $TICK;	2062	$NEXT_TICK += $TICK;
1182		2063
1183	# if we are delayed by four ticks or more, skip them all	2064	# if we are delayed by four ticks or more, skip them all
1184	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1185		2066
1186	$TICK_WATCHER->at ($NEXT_TICK);	2067	$TICK_WATCHER->at ($NEXT_TICK);
1187	$TICK_WATCHER->start;	2068	$TICK_WATCHER->start;
1188	},	2069	},
1189	);	2070	);
1190		2071
1191	IO::AIO::max_poll_time $TICK * 0.2;	2072	IO::AIO::max_poll_time $TICK * 0.2;
1192		2073
		2074	Event->io (
1193	Event->io (fd => IO::AIO::poll_fileno,	2075	fd => IO::AIO::poll_fileno,
1194	poll => 'r',	2076	poll => 'r',
1195	prio => 5,	2077	prio => 5,
		2078	data => WF_AUTOCANCEL,
1196	cb => \&IO::AIO::poll_cb);	2079	cb => \&IO::AIO::poll_cb,
		2080	);
		2081
		2082	Event->timer (
		2083	data => WF_AUTOCANCEL,
		2084	after => 0,
		2085	interval => 10,
		2086	cb => sub {
		2087	(Coro::unblock_sub {
		2088	write_runtime
		2089	or warn "ERROR: unable to write runtime file: $!";
		2090	})->();
		2091	},
		2092	);
1197		2093
1198	1	2094	1
1199		2095

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.82 by root, Sun Dec 3 20:59:52 2006 UTC vs. Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.82 by root, Sun Dec 3 20:59:52 2006 UTC vs.
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC