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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.77 by root, Sun Nov 5 11:13:01 2006 UTC vs.
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC

…		…
1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
6	use Opcode;	9	use Opcode;
7	use Safe;	10	use Safe;
8	use Safe::Hole;	11	use Safe::Hole;
9		12
		13	use Coro 3.3;
		14	use Coro::Event;
		15	use Coro::Timer;
		16	use Coro::Signal;
		17	use Coro::Semaphore;
		18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
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	my $busy = 1;
		203	my @res;
		204
		205	my $coro = Coro::async {
		206	@res = eval { $job->() };
		207	warn $@ if $@;
		208	undef $busy;
		209	};
		210
		211	if ($Coro::current == $Coro::main) {
		212	# TODO: use suspend/resume instead
		213	local $FREEZE = 1;
		214	$coro->prio (Coro::PRIO_MAX);
		215	while ($busy) {
		216	Coro::cede_notself;
		217	Event::one_event unless Coro::nready;
		218	}
		219	} else {
		220	$coro->join;
		221	}
		222
		223	wantarray ? @res : $res[0]
		224	}
		225
		226	=item $coro = cf::coro { BLOCK }
		227
		228	Creates and returns a new coro. This coro is automcatially being canceled
		229	when the extension calling this is being unloaded.
		230
		231	=cut
		232
		233	sub coro(&) {
		234	my $cb = shift;
		235
		236	my $coro; $coro = async {
		237	eval {
		238	$cb->();
		239	};
		240	warn $@ if $@;
		241	};
		242
		243	$coro->on_destroy (sub {
		244	delete $EXT_CORO{$coro+0};
		245	});
		246	$EXT_CORO{$coro+0} = $coro;
		247
		248	$coro
		249	}
		250
		251	sub write_runtime {
		252	my $runtime = cf::localdir . "/runtime";
		253
		254	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		255	or return;
		256
		257	my $value = $cf::RUNTIME;
		258	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		259	and return;
		260
		261	aio_fsync $fh
		262	and return;
		263
		264	close $fh
		265	or return;
		266
		267	aio_rename "$runtime~", $runtime
		268	and return;
		269
		270	1
		271	}
		272
121	=back	273	=back
122		274
123	=cut	275	=cut
124		276
125	#############################################################################	277	#############################################################################
126		278
127	=head2 EVENTS AND OBJECT ATTACHMENTS	279	package cf::path;
		280
		281	sub new {
		282	my ($class, $path, $base) = @_;
		283
		284	$path = $path->as_string if ref $path;
		285
		286	my $self = bless { }, $class;
		287
		288	if ($path =~ s{^\?random/}{}) {
		289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		290	$self->{random} = cf::from_json $data;
		291	} else {
		292	if ($path =~ s{^~([^/]+)?}{}) {
		293	$self->{user_rel} = 1;
		294
		295	if (defined $1) {
		296	$self->{user} = $1;
		297	} elsif ($base =~ m{^~([^/]+)/}) {
		298	$self->{user} = $1;
		299	} else {
		300	warn "cannot resolve user-relative path without user <$path,$base>\n";
		301	}
		302	} elsif ($path =~ /^\//) {
		303	# already absolute
		304	} else {
		305	$base =~ s{[^/]+/?$}{};
		306	return $class->new ("$base/$path");
		307	}
		308
		309	for ($path) {
		310	redo if s{/\.?/}{/};
		311	redo if s{/[^/]+/\.\./}{/};
		312	}
		313	}
		314
		315	$self->{path} = $path;
		316
		317	$self
		318	}
		319
		320	# the name / primary key / in-game path
		321	sub as_string {
		322	my ($self) = @_;
		323
		324	$self->{user_rel} ? "~$self->{user}$self->{path}"
		325	: $self->{random} ? "?random/$self->{path}"
		326	: $self->{path}
		327	}
		328
		329	# the displayed name, this is a one way mapping
		330	sub visible_name {
		331	my ($self) = @_;
		332
		333	# if (my $rmp = $self->{random}) {
		334	# # todo: be more intelligent about this
		335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		336	# } else {
		337	$self->as_string
		338	# }
		339	}
		340
		341	# escape the /'s in the path
		342	sub _escaped_path {
		343	# ∕ is U+2215
		344	(my $path = $_[0]{path}) =~ s/\//∕/g;
		345	$path
		346	}
		347
		348	# the original (read-only) location
		349	sub load_path {
		350	my ($self) = @_;
		351
		352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		353	}
		354
		355	# the temporary/swap location
		356	sub save_path {
		357	my ($self) = @_;
		358
		359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		362	}
		363
		364	# the unique path, might be eq to save_path
		365	sub uniq_path {
		366	my ($self) = @_;
		367
		368	$self->{user_rel} \|\| $self->{random}
		369	? undef
		370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		371	}
		372
		373	# return random map parameters, or undef
		374	sub random_map_params {
		375	my ($self) = @_;
		376
		377	$self->{random}
		378	}
		379
		380	# this is somewhat ugly, but style maps do need special treatment
		381	sub is_style_map {
		382	$_[0]{path} =~ m{^/styles/}
		383	}
		384
		385	package cf;
		386
		387	#############################################################################
		388
		389	=head2 ATTACHABLE OBJECTS
		390
		391	Many objects in crossfire are so-called attachable objects. That means you can
		392	attach callbacks/event handlers (a collection of which is called an "attachment")
		393	to it. All such attachable objects support the following methods.
		394
		395	In the following description, CLASS can be any of C<global>, C<object>
		396	C<player>, C<client> or C<map> (i.e. the attachable objects in
		397	crossfire+).
128		398
129	=over 4	399	=over 4
130		400
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...)	401	=item $attachable->attach ($attachment, key => $value...)
144		402
145	=item $map->detach ($attachment)	403	=item $attachable->detach ($attachment)
146		404
147	Attach/detach a pre-registered attachment to a map.	405	Attach/detach a pre-registered attachment to a specific object and give it
		406	the specified key/value pairs as arguments.
148		407
149	=item $bool = $object->attached ($name)	408	Example, attach a minesweeper attachment to the given object, making it a
		409	10x10 minesweeper game:
150		410
151	=item $bool = $player->attached ($name)	411	$obj->attach (minesweeper => width => 10, height => 10);
152		412
153	=item $bool = $map->attached ($name)	413	=item $bool = $attachable->attached ($name)
154		414
155	Checks wether the named attachment is currently attached to the object.	415	Checks wether the named attachment is currently attached to the object.
156		416
157	=item cf::attach_global ...	417	=item cf::CLASS->attach ...
158		418
159	Attach handlers for global events.	419	=item cf::CLASS->detach ...
160		420
161	This and all following C<attach_*>-functions expect any number of the	421	Define an anonymous attachment and attach it to all objects of the given
162	following handler/hook descriptions:	422	CLASS. See the next function for an explanation of its arguments.
		423
		424	You can attach to global events by using the C<cf::global> class.
		425
		426	Example, log all player logins:
		427
		428	cf::player->attach (
		429	on_login => sub {
		430	my ($pl) = @_;
		431	...
		432	},
		433	);
		434
		435	Example, attach to the jeweler skill:
		436
		437	cf::object->attach (
		438	type => cf::SKILL,
		439	subtype => cf::SK_JEWELER,
		440	on_use_skill => sub {
		441	my ($sk, $ob, $part, $dir, $msg) = @_;
		442	...
		443	},
		444	);
		445
		446	=item cf::CLASS::attachment $name, ...
		447
		448	Register an attachment by C<$name> through which attachable objects of the
		449	given CLASS can refer to this attachment.
		450
		451	Some classes such as crossfire maps and objects can specify attachments
		452	that are attached at load/instantiate time, thus the need for a name.
		453
		454	These calls expect any number of the following handler/hook descriptions:
163		455
164	=over 4	456	=over 4
165		457
166	=item prio => $number	458	=item prio => $number
167		459
…		…
169	by another C<prio> setting). Lower priority handlers get executed	461	by another C<prio> setting). Lower priority handlers get executed
170	earlier. The default priority is C<0>, and many built-in handlers are	462	earlier. The default priority is C<0>, and many built-in handlers are
171	registered at priority C<-1000>, so lower priorities should not be used	463	registered at priority C<-1000>, so lower priorities should not be used
172	unless you know what you are doing.	464	unless you know what you are doing.
173		465
		466	=item type => $type
		467
		468	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		469	given type of objects only (the additional parameter C<subtype> can be
		470	used to further limit to the given subtype).
		471
174	=item on_I<event> => \&cb	472	=item on_I<event> => \&cb
175		473
176	Call the given code reference whenever the named event happens (event is	474	Call the given code reference whenever the named event happens (event is
177	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	475	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
178	handlers are recognised generally depends on the type of object these	476	handlers are recognised generally depends on the type of object these
…		…
187	package and register them. Only handlers for eevents supported by the	485	package and register them. Only handlers for eevents supported by the
188	object/class are recognised.	486	object/class are recognised.
189		487
190	=back	488	=back
191		489
192	=item cf::attach_to_type $object_type, $subtype, ...	490	Example, define an attachment called "sockpuppet" that calls the given
		491	event handler when a monster attacks:
193		492
194	Attach handlers for a specific object type (e.g. TRANSPORT) and	493	cf::object::attachment sockpuppet =>
195	subtype. If C<$subtype> is zero or undef, matches all objects of the given	494	on_skill_attack => sub {
196	type.	495	my ($self, $victim) = @_;
197		496	...
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	}	497	}
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	498	}
419	}
420		499
421	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	500	=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		501
447	Just because you have a perl object does not mean that the corresponding	502	Just because you have a perl object does not mean that the corresponding
448	C-level object still exists. If you try to access an object that has no	503	C-level object still exists. If you try to access an object that has no
449	valid C counterpart anymore you get an exception at runtime. This method	504	valid C counterpart anymore you get an exception at runtime. This method
450	can be used to test for existence of the C object part without causing an	505	can be used to test for existence of the C object part without causing an
451	exception.	506	exception.
452		507
		508	=cut
		509
		510	# the following variables are defined in .xs and must not be re-created
		511	our @CB_GLOBAL = (); # registry for all global events
		512	our @CB_ATTACHABLE = (); # registry for all attachables
		513	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		514	our @CB_PLAYER = ();
		515	our @CB_CLIENT = ();
		516	our @CB_TYPE = (); # registry for type (cf-object class) based events
		517	our @CB_MAP = ();
		518
		519	my %attachment;
		520
		521	sub _attach_cb($$$$) {
		522	my ($registry, $event, $prio, $cb) = @_;
		523
		524	use sort 'stable';
		525
		526	$cb = [$prio, $cb];
		527
		528	@{$registry->[$event]} = sort
		529	{ $a->[0] cmp $b->[0] }
		530	@{$registry->[$event] \|\| []}, $cb;
		531	}
		532
		533	# hack
		534	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		535
		536	# attach handles attaching event callbacks
		537	# the only thing the caller has to do is pass the correct
		538	# registry (== where the callback attaches to).
		539	sub _attach {
		540	my ($registry, $klass, @arg) = @_;
		541
		542	my $object_type;
		543	my $prio = 0;
		544	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		545
		546	#TODO: get rid of this hack
		547	if ($attachable_klass{$klass}) {
		548	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		549	}
		550
		551	while (@arg) {
		552	my $type = shift @arg;
		553
		554	if ($type eq "prio") {
		555	$prio = shift @arg;
		556
		557	} elsif ($type eq "type") {
		558	$object_type = shift @arg;
		559	$registry = $CB_TYPE[$object_type] \|\|= [];
		560
		561	} elsif ($type eq "subtype") {
		562	defined $object_type or Carp::croak "subtype specified without type";
		563	my $object_subtype = shift @arg;
		564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];
		565
		566	} elsif ($type eq "package") {
		567	my $pkg = shift @arg;
		568
		569	while (my ($name, $id) = each %cb_id) {
		570	if (my $cb = $pkg->can ($name)) {
		571	_attach_cb $registry, $id, $prio, $cb;
		572	}
		573	}
		574
		575	} elsif (exists $cb_id{$type}) {
		576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		577
		578	} elsif (ref $type) {
		579	warn "attaching objects not supported, ignoring.\n";
		580
		581	} else {
		582	shift @arg;
		583	warn "attach argument '$type' not supported, ignoring.\n";
		584	}
		585	}
		586	}
		587
		588	sub _object_attach {
		589	my ($obj, $name, %arg) = @_;
		590
		591	return if exists $obj->{_attachment}{$name};
		592
		593	if (my $attach = $attachment{$name}) {
		594	my $registry = $obj->registry;
		595
		596	for (@$attach) {
		597	my ($klass, @attach) = @$_;
		598	_attach $registry, $klass, @attach;
		599	}
		600
		601	$obj->{$name} = \%arg;
		602	} else {
		603	warn "object uses attachment '$name' that is not available, postponing.\n";
		604	}
		605
		606	$obj->{_attachment}{$name} = undef;
		607	}
		608
		609	sub cf::attachable::attach {
		610	if (ref $_[0]) {
		611	_object_attach @_;
		612	} else {
		613	_attach shift->_attach_registry, @_;
		614	}
		615	};
		616
		617	# all those should be optimised
		618	sub cf::attachable::detach {
		619	my ($obj, $name) = @_;
		620
		621	if (ref $obj) {
		622	delete $obj->{_attachment}{$name};
		623	reattach ($obj);
		624	} else {
		625	Carp::croak "cannot, currently, detach class attachments";
		626	}
		627	};
		628
		629	sub cf::attachable::attached {
		630	my ($obj, $name) = @_;
		631
		632	exists $obj->{_attachment}{$name}
		633	}
		634
		635	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		636	eval "#line " . __LINE__ . " 'cf.pm'
		637	sub cf::\L$klass\E::_attach_registry {
		638	(\\\@CB_$klass, KLASS_$klass)
		639	}
		640
		641	sub cf::\L$klass\E::attachment {
		642	my \$name = shift;
		643
		644	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		645	}
		646	";
		647	die if $@;
		648	}
		649
		650	our $override;
		651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		652
		653	sub override {
		654	$override = 1;
		655	@invoke_results = ();
		656	}
		657
		658	sub do_invoke {
		659	my $event = shift;
		660	my $callbacks = shift;
		661
		662	@invoke_results = ();
		663
		664	local $override;
		665
		666	for (@$callbacks) {
		667	eval { &{$_->[1]} };
		668
		669	if ($@) {
		670	warn "$@";
		671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		672	override;
		673	}
		674
		675	return 1 if $override;
		676	}
		677
		678	0
		679	}
		680
		681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		682
		683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		684
		685	Generate an object-specific event with the given arguments.
		686
		687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		688	removed in future versions), and there is no public API to access override
		689	results (if you must, access C<@cf::invoke_results> directly).
		690
453	=back	691	=back
454		692
455	=cut	693	=cut
456
457	*cf::object::valid =
458	*cf::player::valid =
459	*cf::map::valid = \&cf::_valid;
460		694
461	#############################################################################	695	#############################################################################
462	# object support	696	# object support
463		697
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 {	698	sub reattach {
		699	# basically do the same as instantiate, without calling instantiate
478	my ($obj) = @_;	700	my ($obj) = @_;
		701
479	my $registry = $obj->registry;	702	my $registry = $obj->registry;
480		703
481	@$registry = ();	704	@$registry = ();
482		705
483	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	706	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
484		707
485	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	708	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
486	if (my $attach = $attachment{$name}) {	709	if (my $attach = $attachment{$name}) {
487	for (@$attach) {	710	for (@$attach) {
488	my ($klass, @attach) = @$_;	711	my ($klass, @attach) = @$_;
489	_attach @$registry, $klass, @attach;	712	_attach $registry, $klass, @attach;
490	}	713	}
491	} else {	714	} else {
492	warn "object uses attachment '$name' that is not available, postponing.\n";	715	warn "object uses attachment '$name' that is not available, postponing.\n";
493	}	716	}
494	}	717	}
495	}	718	}
496		719
497	sub object_freezer_save {	720	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_thawer_load {
529	my ($filename) = @_;
530
531	local $/;
532
533	my $av;
534
535	#TODO: use sysread etc.
536	if (open my $data, "<:raw:perlio", $filename) {
537	$data = <$data>;
538	if (open my $pst, "<:raw:perlio", "$filename.pst") {
539	$av = eval { (Storable::thaw <$pst>)->{objs} };
540	}
541	return ($data, $av);
542	}
543
544	()
545	}
546
547	attach_to_objects
548	prio => -1000000,	721	prio => -1000000,
		722	on_instantiate => sub {
		723	my ($obj, $data) = @_;
		724
		725	$data = from_json $data;
		726
		727	for (@$data) {
		728	my ($name, $args) = @$_;
		729
		730	$obj->attach ($name, %{$args \|\| {} });
		731	}
		732	},
		733	on_reattach => \&reattach,
549	on_clone => sub {	734	on_clone => sub {
550	my ($src, $dst) = @_;	735	my ($src, $dst) = @_;
551		736
552	@{$dst->registry} = @{$src->registry};	737	@{$dst->registry} = @{$src->registry};
553		738
554	%$dst = %$src;	739	%$dst = %$src;
555		740
556	%{$dst->{_attachment}} = %{$src->{_attachment}}	741	%{$dst->{_attachment}} = %{$src->{_attachment}}
557	if exists $src->{_attachment};	742	if exists $src->{_attachment};
558	},	743	},
559	;	744	);
		745
		746	sub object_freezer_save {
		747	my ($filename, $rdata, $objs) = @_;
		748
		749	sync_job {
		750	if (length $$rdata) {
		751	warn sprintf "saving %s (%d,%d)\n",
		752	$filename, length $$rdata, scalar @$objs;
		753
		754	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		755	chmod SAVE_MODE, $fh;
		756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		757	aio_fsync $fh;
		758	close $fh;
		759
		760	if (@$objs) {
		761	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		762	chmod SAVE_MODE, $fh;
		763	my $data = Storable::nfreeze { version => 1, objs => $objs };
		764	aio_write $fh, 0, (length $data), $data, 0;
		765	aio_fsync $fh;
		766	close $fh;
		767	aio_rename "$filename.pst~", "$filename.pst";
		768	}
		769	} else {
		770	aio_unlink "$filename.pst";
		771	}
		772
		773	aio_rename "$filename~", $filename;
		774	} else {
		775	warn "FATAL: $filename~: $!\n";
		776	}
		777	} else {
		778	aio_unlink $filename;
		779	aio_unlink "$filename.pst";
		780	}
		781	}
		782	}
		783
		784	sub object_freezer_as_string {
		785	my ($rdata, $objs) = @_;
		786
		787	use Data::Dumper;
		788
		789	$$rdata . Dumper $objs
		790	}
		791
		792	sub object_thawer_load {
		793	my ($filename) = @_;
		794
		795	my ($data, $av);
		796
		797	(aio_load $filename, $data) >= 0
		798	or return;
		799
		800	unless (aio_stat "$filename.pst") {
		801	(aio_load "$filename.pst", $av) >= 0
		802	or return;
		803	$av = eval { (Storable::thaw <$av>)->{objs} };
		804	}
		805
		806	return ($data, $av);
		807	}
560		808
561	#############################################################################	809	#############################################################################
562	# old plug-in events	810	# command handling &c
563		811
564	sub inject_event {	812	=item cf::register_command $name => \&callback($ob,$args);
565	my $extension = shift;
566	my $event_code = shift;
567		813
568	my $cb = $hook[$event_code]{$extension}	814	Register a callback for execution when the client sends the user command
569	or return;	815	$name.
570		816
571	&$cb	817	=cut
572	}
573
574	sub inject_global_event {
575	my $event = shift;
576
577	my $cb = $hook[$event]
578	or return;
579
580	List::Util::max map &$_, values %$cb
581	}
582
583	sub inject_command {
584	my ($name, $obj, $params) = @_;
585
586	for my $cmd (@{ $command{$name} }) {
587	$cmd->[1]->($obj, $params);
588	}
589
590	-1
591	}
592		818
593	sub register_command {	819	sub register_command {
594	my ($name, $time, $cb) = @_;	820	my ($name, $cb) = @_;
595		821
596	my $caller = caller;	822	my $caller = caller;
597	#warn "registering command '$name/$time' to '$caller'";	823	#warn "registering command '$name/$time' to '$caller'";
598		824
599	push @{ $command{$name} }, [$time, $cb, $caller];	825	push @{ $COMMAND{$name} }, [$caller, $cb];
600	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
601	}	826	}
		827
		828	=item cf::register_extcmd $name => \&callback($pl,$packet);
		829
		830	Register a callbackf ro execution when the client sends an extcmd packet.
		831
		832	If the callback returns something, it is sent back as if reply was being
		833	called.
		834
		835	=cut
602		836
603	sub register_extcmd {	837	sub register_extcmd {
604	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
605		839
606	my $caller = caller;	840	my $caller = caller;
607	#warn "registering extcmd '$name' to '$caller'";	841	#warn "registering extcmd '$name' to '$caller'";
608		842
609	$extcmd{$name} = [$cb, $caller];	843	$EXTCMD{$name} = [$cb, $caller];
610	}	844	}
		845
		846	cf::player->attach (
		847	on_command => sub {
		848	my ($pl, $name, $params) = @_;
		849
		850	my $cb = $COMMAND{$name}
		851	or return;
		852
		853	for my $cmd (@$cb) {
		854	$cmd->[1]->($pl->ob, $params);
		855	}
		856
		857	cf::override;
		858	},
		859	on_extcmd => sub {
		860	my ($pl, $buf) = @_;
		861
		862	my $msg = eval { from_json $buf };
		863
		864	if (ref $msg) {
		865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
		866	if (my %reply = $cb->[0]->($pl, $msg)) {
		867	$pl->ext_reply ($msg->{msgid}, %reply);
		868	}
		869	}
		870	} else {
		871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		872	}
		873
		874	cf::override;
		875	},
		876	);
611		877
612	sub register {	878	sub register {
613	my ($base, $pkg) = @_;	879	my ($base, $pkg) = @_;
614		880
615	#TODO	881	#TODO
…		…
634	. "#line 1 \"$path\"\n{\n"	900	. "#line 1 \"$path\"\n{\n"
635	. (do { local $/; <$fh> })	901	. (do { local $/; <$fh> })
636	. "\n};\n1";	902	. "\n};\n1";
637		903
638	eval $source	904	eval $source
639	or die "$path: $@";	905	or die $@ ? "$path: $@\n"
		906	: "extension disabled.\n";
640		907
641	push @exts, $pkg;	908	push @exts, $pkg;
642	$ext_pkg{$base} = $pkg;	909	$ext_pkg{$base} = $pkg;
643		910
644	# no strict 'refs';	911	# no strict 'refs';
…		…
657	# for my $idx (0 .. $#PLUGIN_EVENT) {	924	# for my $idx (0 .. $#PLUGIN_EVENT) {
658	# delete $hook[$idx]{$pkg};	925	# delete $hook[$idx]{$pkg};
659	# }	926	# }
660		927
661	# remove commands	928	# remove commands
662	for my $name (keys %command) {	929	for my $name (keys %COMMAND) {
663	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
664		931
665	if (@cb) {	932	if (@cb) {
666	$command{$name} = \@cb;	933	$COMMAND{$name} = \@cb;
667	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
668	} else {	934	} else {
669	delete $command{$name};
670	delete $COMMAND{"$name\000"};	935	delete $COMMAND{$name};
671	}	936	}
672	}	937	}
673		938
674	# remove extcmds	939	# remove extcmds
675	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
676	delete $extcmd{$name};	941	delete $EXTCMD{$name};
677	}	942	}
678		943
679	if (my $cb = $pkg->can ("unload")) {	944	if (my $cb = $pkg->can ("unload")) {
680	eval {	945	eval {
681	$cb->($pkg);	946	$cb->($pkg);
…		…
685		950
686	Symbol::delete_package $pkg;	951	Symbol::delete_package $pkg;
687	}	952	}
688		953
689	sub load_extensions {	954	sub load_extensions {
690	my $LIBDIR = maps_directory "perl";
691
692	for my $ext (<$LIBDIR/*.ext>) {	955	for my $ext (<$LIBDIR/*.ext>) {
693	next unless -r $ext;	956	next unless -r $ext;
694	eval {	957	eval {
695	load_extension $ext;	958	load_extension $ext;
696	1	959	1
697	} or warn "$ext not loaded: $@";	960	} or warn "$ext not loaded: $@";
698	}	961	}
699	}	962	}
700		963
701	#############################################################################	964	#############################################################################
702	# extcmd framework, basically convert ext <msg>
703	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
704
705	attach_to_players
706	on_extcmd => sub {
707	my ($pl, $buf) = @_;
708
709	my $msg = eval { from_json $buf };
710
711	if (ref $msg) {
712	if (my $cb = $extcmd{$msg->{msgtype}}) {
713	if (my %reply = $cb->[0]->($pl, $msg)) {
714	$pl->ext_reply ($msg->{msgid}, %reply);
715	}
716	}
717	} else {
718	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
719	}
720
721	cf::override;
722	},
723	;
724
725	#############################################################################
726	# load/save/clean perl data associated with a map	965	# load/save/clean perl data associated with a map
727		966
728	*cf::mapsupport::on_clean = sub {	967	*cf::mapsupport::on_clean = sub {
729	my ($map) = @_;	968	my ($map) = @_;
730		969
…		…
732	defined $path or return;	971	defined $path or return;
733		972
734	unlink "$path.pst";	973	unlink "$path.pst";
735	};	974	};
736		975
737	attach_to_maps prio => -10000, package => cf::mapsupport::;	976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
738		977
739	#############################################################################	978	#############################################################################
740	# load/save perl data associated with player->ob objects	979	# load/save perl data associated with player->ob objects
741		980
742	sub all_objects(@) {	981	sub all_objects(@) {
743	@_, map all_objects ($_->inv), @_	982	@_, map all_objects ($_->inv), @_
744	}	983	}
745		984
746	# TODO: compatibility cruft, remove when no longer needed	985	# TODO: compatibility cruft, remove when no longer needed
747	attach_to_players	986	cf::player->attach (
748	on_load => sub {	987	on_load => sub {
749	my ($pl, $path) = @_;	988	my ($pl, $path) = @_;
750		989
751	for my $o (all_objects $pl->ob) {	990	for my $o (all_objects $pl->ob) {
752	if (my $value = $o->get_ob_key_value ("_perl_data")) {	991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
754		993
755	%$o = %{ Storable::thaw pack "H*", $value };	994	%$o = %{ Storable::thaw pack "H*", $value };
756	}	995	}
757	}	996	}
758	},	997	},
759	;	998	);
760		999
761	#############################################################################	1000	#############################################################################
762		1001
763	=head2 CORE EXTENSIONS	1002	=head2 CORE EXTENSIONS
764		1003
765	Functions and methods that extend core crossfire objects.	1004	Functions and methods that extend core crossfire objects.
		1005
		1006	=head3 cf::player
766		1007
767	=over 4	1008	=over 4
768		1009
769	=item cf::player::exists $login	1010	=item cf::player::exists $login
770		1011
…		…
775	sub cf::player::exists($) {	1016	sub cf::player::exists($) {
776	cf::player::find $_[0]	1017	cf::player::find $_[0]
777	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
778	}	1019	}
779		1020
		1021	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1022
		1023	Sends an ext reply to the player.
		1024
		1025	=cut
		1026
		1027	sub cf::player::ext_reply($$$%) {
		1028	my ($self, $id, %msg) = @_;
		1029
		1030	$msg{msgid} = $id;
		1031
		1032	$self->send ("ext " . to_json \%msg);
		1033	}
		1034
		1035	=back
		1036
		1037
		1038	=head3 cf::map
		1039
		1040	=over 4
		1041
		1042	=cut
		1043
		1044	package cf::map;
		1045
		1046	use Fcntl;
		1047	use Coro::AIO;
		1048
		1049	our $MAX_RESET = 7200;
		1050	our $DEFAULT_RESET = 3600;
		1051	$MAX_RESET = 10;#d#
		1052	$DEFAULT_RESET = 10;#d#
		1053
		1054	sub generate_random_map {
		1055	my ($path, $rmp) = @_;
		1056
		1057	# mit "rum" bekleckern, nicht
		1058	cf::map::_create_random_map
		1059	$path,
		1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1063	$rmp->{exit_on_final_map},
		1064	$rmp->{xsize}, $rmp->{ysize},
		1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1070	(cf::region::find $rmp->{region})
		1071	}
		1072
		1073	# and all this just because we cannot iterate over
		1074	# all maps in C++...
		1075	sub change_all_map_light {
		1076	my ($change) = @_;
		1077
		1078	$_->change_map_light ($change) for values %cf::MAP;
		1079	}
		1080
		1081	sub try_load_header($) {
		1082	my ($path) = @_;
		1083
		1084	utf8::encode $path;
		1085	aio_open $path, O_RDONLY, 0
		1086	or return;
		1087
		1088	my $map = cf::map::new
		1089	or return;
		1090
		1091	$map->load_header ($path)
		1092	or return;
		1093
		1094	$map->{load_path} = $path;
		1095	use Data::Dumper; warn Dumper $map;#d#
		1096
		1097	$map
		1098	}
		1099
		1100	sub find_map {
		1101	my ($path, $origin) = @_;
		1102
		1103	#warn "find_map<$path,$origin>\n";#d#
		1104
		1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;
		1106	my $key = $path->as_string;
		1107
		1108	$cf::MAP{$key} \|\| do {
		1109	# do it the slow way
		1110	my $map = try_load_header $path->save_path;
		1111
		1112	if ($map) {
		1113	# safety
		1114	$map->{instantiate_time} = $cf::RUNTIME
		1115	if $map->{instantiate_time} > $cf::RUNTIME;
		1116	} else {
		1117	if (my $rmp = $path->random_map_params) {
		1118	$map = generate_random_map $key, $rmp;
		1119	} else {
		1120	$map = try_load_header $path->load_path;
		1121	}
		1122
		1123	$map or return;
		1124
		1125	$map->{load_original} = 1;
		1126	$map->{instantiate_time} = $cf::RUNTIME;
		1127	$map->instantiate;
		1128
		1129	# per-player maps become, after loading, normal maps
		1130	$map->per_player (0) if $path->{user_rel};
		1131	}
		1132
		1133	$map->path ($key);
		1134	$map->{path} = $path;
		1135	$map->last_access ($cf::RUNTIME);
		1136
		1137	$map->reset if $map->should_reset;
		1138
		1139	$cf::MAP{$key} = $map
		1140	}
		1141	}
		1142
		1143	sub load {
		1144	my ($self) = @_;
		1145
		1146	return if $self->in_memory != cf::MAP_SWAPPED;
		1147
		1148	$self->in_memory (cf::MAP_LOADING);
		1149
		1150	my $path = $self->{path};
		1151
		1152	$self->alloc;
		1153	$self->load_objects ($self->{load_path}, 1)
		1154	or return;
		1155
		1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};
		1157
		1158	if (my $uniq = $path->uniq_path) {
		1159	utf8::encode $uniq;
		1160	if (aio_open $uniq, O_RDONLY, 0) {
		1161	$self->clear_unique_items;
		1162	$self->load_objects ($uniq, 0);
		1163	}
		1164	}
		1165
		1166	# now do the right thing for maps
		1167	$self->link_multipart_objects;
		1168
		1169	if ($self->{path}->is_style_map) {
		1170	$self->{deny_save} = 1;
		1171	$self->{deny_reset} = 1;
		1172	} else {
		1173	$self->fix_auto_apply;
		1174	$self->decay_objects;
		1175	$self->update_buttons;
		1176	$self->set_darkness_map;
		1177	$self->difficulty ($self->estimate_difficulty)
		1178	unless $self->difficulty;
		1179	$self->activate;
		1180	}
		1181
		1182	$self->in_memory (cf::MAP_IN_MEMORY);
		1183	}
		1184
		1185	sub load_map_sync {
		1186	my ($path, $origin) = @_;
		1187
		1188	#warn "load_map_sync<$path, $origin>\n";#d#
		1189
		1190	cf::sync_job {
		1191	my $map = cf::map::find_map $path, $origin
		1192	or return;
		1193	$map->load;
		1194	$map
		1195	}
		1196	}
		1197
		1198	sub save {
		1199	my ($self) = @_;
		1200
		1201	my $save = $self->{path}->save_path; utf8::encode $save;
		1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1203
		1204	$self->{last_save} = $cf::RUNTIME;
		1205
		1206	return unless $self->dirty;
		1207
		1208	$self->{load_path} = $save;
		1209
		1210	return if $self->{deny_save};
		1211
		1212	warn "saving map ", $self->path;
		1213
		1214	if ($uniq) {
		1215	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1216	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1217	} else {
		1218	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1219	}
		1220	}
		1221
		1222	sub swap_out {
		1223	my ($self) = @_;
		1224
		1225	return if $self->players;
		1226	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1227	return if $self->{deny_save};
		1228
		1229	$self->save;
		1230	$self->clear;
		1231	$self->in_memory (cf::MAP_SWAPPED);
		1232	}
		1233
		1234	sub should_reset {
		1235	my ($map) = @_;
		1236
		1237	# TODO: safety, remove and allow resettable per-player maps
		1238	return if $map->{path}{user_rel};#d#
		1239	return if $map->{deny_reset};
		1240	#return unless $map->reset_timeout;
		1241
		1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
		1243	my $to = $map->reset_timeout \|\| $DEFAULT_RESET;
		1244	$to = $MAX_RESET if $to > $MAX_RESET;
		1245
		1246	$time + $to < $cf::RUNTIME
		1247	}
		1248
		1249	sub unlink_save {
		1250	my ($self) = @_;
		1251
		1252	utf8::encode (my $save = $self->{path}->save_path);
		1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1255	}
		1256
		1257	sub reset {
		1258	my ($self) = @_;
		1259
		1260	return if $self->players;
		1261	return if $self->{path}{user_rel};#d#
		1262
		1263	warn "resetting map ", $self->path;#d#
		1264
		1265	delete $cf::MAP{$self->path};
		1266
		1267	$_->clear_links_to ($self) for values %cf::MAP;
		1268
		1269	$self->unlink_save;
		1270	$self->destroy;
		1271	}
		1272
		1273	sub customise_for {
		1274	my ($map, $ob) = @_;
		1275
		1276	if ($map->per_player) {
		1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1278	}
		1279
		1280	$map
		1281	}
		1282
		1283	sub emergency_save {
		1284	local $cf::FREEZE = 1;
		1285
		1286	warn "enter emergency map save\n";
		1287
		1288	cf::sync_job {
		1289	warn "begin emergency map save\n";
		1290	$_->save for values %cf::MAP;
		1291	};
		1292
		1293	warn "end emergency map save\n";
		1294	}
		1295
		1296	package cf;
		1297
		1298	=back
		1299
		1300
		1301	=head3 cf::object::player
		1302
		1303	=over 4
		1304
780	=item $object->reply ($npc, $msg[, $flags])	1305	=item $player_object->reply ($npc, $msg[, $flags])
781		1306
782	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1307	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
783	can be C<undef>. Does the right thing when the player is currently in a	1308	can be C<undef>. Does the right thing when the player is currently in a
784	dialogue with the given NPC character.	1309	dialogue with the given NPC character.
785		1310
786	=cut	1311	=cut
787		1312
788	# rough implementation of a future "reply" method that works	1313	# rough implementation of a future "reply" method that works
789	# with dialog boxes.	1314	# with dialog boxes.
		1315	#TODO: the first argument must go, split into a $npc->reply_to ( method
790	sub cf::object::player::reply($$$;$) {	1316	sub cf::object::player::reply($$$;$) {
791	my ($self, $npc, $msg, $flags) = @_;	1317	my ($self, $npc, $msg, $flags) = @_;
792		1318
793	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1319	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
794		1320
…		…
798	$msg = $npc->name . " says: $msg" if $npc;	1324	$msg = $npc->name . " says: $msg" if $npc;
799	$self->message ($msg, $flags);	1325	$self->message ($msg, $flags);
800	}	1326	}
801	}	1327	}
802		1328
803	=item $player->ext_reply ($msgid, $msgtype, %msg)	1329	=item $player_object->may ("access")
804		1330
805	Sends an ext reply to the player.	1331	Returns wether the given player is authorized to access resource "access"
		1332	(e.g. "command_wizcast").
806		1333
807	=cut	1334	=cut
808		1335
809	sub cf::player::ext_reply($$$%) {	1336	sub cf::object::player::may {
		1337	my ($self, $access) = @_;
		1338
		1339	$self->flag (cf::FLAG_WIZ) \|\|
		1340	(ref $cf::CFG{"may_$access"}
		1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
		1342	: $cf::CFG{"may_$access"})
		1343	}
		1344
		1345	sub cf::object::player::enter_link {
		1346	my ($self) = @_;
		1347
		1348	return if $self->map == $LINK_MAP;
		1349
		1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1351	if $self->map;
		1352
		1353	$self->enter_map ($LINK_MAP, 20, 20);
		1354	$self->deactivate_recursive;
		1355	}
		1356
		1357	sub cf::object::player::leave_link {
		1358	my ($self, $map, $x, $y) = @_;
		1359
		1360	my $link_pos = delete $self->{_link_pos};
		1361
		1362	unless ($map) {
		1363	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1364
		1365	# restore original map position
		1366	($map, $x, $y) = @{ $link_pos \|\| [] };
		1367	$map = cf::map::find_map $map;
		1368
		1369	unless ($map) {
		1370	($map, $x, $y) = @$EMERGENCY_POSITION;
		1371	$map = cf::map::find_map $map
		1372	or die "FATAL: cannot load emergency map\n";
		1373	}
		1374	}
		1375
		1376	($x, $y) = (-1, -1)
		1377	unless (defined $x) && (defined $y);
		1378
		1379	# use -1 or undef as default coordinates, not 0, 0
		1380	($x, $y) = ($map->enter_x, $map->enter_y)
		1381	if $x <=0 && $y <= 0;
		1382
		1383	$map->load;
		1384
		1385	$self->activate_recursive;
		1386	$self->enter_map ($map, $x, $y);
		1387	}
		1388
		1389	=item $player_object->goto_map ($map, $x, $y)
		1390
		1391	=cut
		1392
		1393	sub cf::object::player::goto_map {
		1394	my ($self, $path, $x, $y) = @_;
		1395
		1396	$self->enter_link;
		1397
		1398	(Coro::async {
		1399	$path = new cf::path $path;
		1400
		1401	my $map = cf::map::find_map $path->as_string;
		1402	$map = $map->customise_for ($self) if $map;
		1403
		1404	warn "entering ", $map->path, " at ($x, $y)\n"
		1405	if $map;
		1406
		1407	$self->leave_link ($map, $x, $y);
		1408	})->prio (1);
		1409	}
		1410
		1411	=item $player_object->enter_exit ($exit_object)
		1412
		1413	=cut
		1414
		1415	sub parse_random_map_params {
		1416	my ($spec) = @_;
		1417
		1418	my $rmp = { # defaults
		1419	xsize => 10,
		1420	ysize => 10,
		1421	};
		1422
		1423	for (split /\n/, $spec) {
		1424	my ($k, $v) = split /\s+/, $_, 2;
		1425
		1426	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1427	}
		1428
		1429	$rmp
		1430	}
		1431
		1432	sub prepare_random_map {
		1433	my ($exit) = @_;
		1434
		1435	# all this does is basically replace the /! path by
		1436	# a new random map path (?random/...) with a seed
		1437	# that depends on the exit object
		1438
		1439	my $rmp = parse_random_map_params $exit->msg;
		1440
		1441	if ($exit->map) {
		1442	$rmp->{region} = $exit->map->region_name;
		1443	$rmp->{origin_map} = $exit->map->path;
		1444	$rmp->{origin_x} = $exit->x;
		1445	$rmp->{origin_y} = $exit->y;
		1446	}
		1447
		1448	$rmp->{random_seed} \|\|= $exit->random_seed;
		1449
		1450	my $data = cf::to_json $rmp;
		1451	my $md5 = Digest::MD5::md5_hex $data;
		1452
		1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1454	aio_write $fh, 0, (length $data), $data, 0;
		1455
		1456	$exit->slaying ("?random/$md5");
		1457	$exit->msg (undef);
		1458	}
		1459	}
		1460
		1461	sub cf::object::player::enter_exit {
810	my ($self, $id, %msg) = @_;	1462	my ($self, $exit) = @_;
811		1463
812	$msg{msgid} = $id;	1464	return unless $self->type == cf::PLAYER;
813		1465
814	$self->send ("ext " . to_json \%msg);	1466	$self->enter_link;
		1467
		1468	(Coro::async {
		1469	unless (eval {
		1470
		1471	prepare_random_map $exit
		1472	if $exit->slaying eq "/!";
		1473
		1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1476
		1477	1;
		1478	}) {
		1479	$self->message ("Something went wrong deep within the crossfire server. "
		1480	. "I'll try to bring you back to the map you were before. "
		1481	. "Please report this to the dungeon master",
		1482	cf::NDI_UNIQUE \| cf::NDI_RED);
		1483
		1484	warn "ERROR in enter_exit: $@";
		1485	$self->leave_link;
		1486	}
		1487	})->prio (1);
815	}	1488	}
		1489
		1490	=head3 cf::client
		1491
		1492	=over 4
		1493
		1494	=item $client->send_drawinfo ($text, $flags)
		1495
		1496	Sends a drawinfo packet to the client. Circumvents output buffering so
		1497	should not be used under normal circumstances.
		1498
		1499	=cut
		1500
		1501	sub cf::client::send_drawinfo {
		1502	my ($self, $text, $flags) = @_;
		1503
		1504	utf8::encode $text;
		1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1506	}
		1507
		1508
		1509	=item $success = $client->query ($flags, "text", \&cb)
		1510
		1511	Queues a query to the client, calling the given callback with
		1512	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1513	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1514
		1515	Queries can fail, so check the return code. Or don't, as queries will become
		1516	reliable at some point in the future.
		1517
		1518	=cut
		1519
		1520	sub cf::client::query {
		1521	my ($self, $flags, $text, $cb) = @_;
		1522
		1523	return unless $self->state == ST_PLAYING
		1524	\|\| $self->state == ST_SETUP
		1525	\|\| $self->state == ST_CUSTOM;
		1526
		1527	$self->state (ST_CUSTOM);
		1528
		1529	utf8::encode $text;
		1530	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1531
		1532	$self->send_packet ($self->{query_queue}[0][0])
		1533	if @{ $self->{query_queue} } == 1;
		1534	}
		1535
		1536	cf::client->attach (
		1537	on_reply => sub {
		1538	my ($ns, $msg) = @_;
		1539
		1540	# this weird shuffling is so that direct followup queries
		1541	# get handled first
		1542	my $queue = delete $ns->{query_queue};
		1543
		1544	(shift @$queue)->[1]->($msg);
		1545
		1546	push @{ $ns->{query_queue} }, @$queue;
		1547
		1548	if (@{ $ns->{query_queue} } == @$queue) {
		1549	if (@$queue) {
		1550	$ns->send_packet ($ns->{query_queue}[0][0]);
		1551	} else {
		1552	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1553	}
		1554	}
		1555	},
		1556	);
		1557
		1558	=item $client->coro (\&cb)
		1559
		1560	Create a new coroutine, running the specified callback. The coroutine will
		1561	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1562	or loss of connection).
		1563
		1564	=cut
		1565
		1566	sub cf::client::coro {
		1567	my ($self, $cb) = @_;
		1568
		1569	my $coro; $coro = async {
		1570	eval {
		1571	$cb->();
		1572	};
		1573	warn $@ if $@;
		1574	};
		1575
		1576	$coro->on_destroy (sub {
		1577	delete $self->{_coro}{$coro+0};
		1578	});
		1579
		1580	$self->{_coro}{$coro+0} = $coro;
		1581
		1582	$coro
		1583	}
		1584
		1585	cf::client->attach (
		1586	on_destroy => sub {
		1587	my ($ns) = @_;
		1588
		1589	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1590	},
		1591	);
816		1592
817	=back	1593	=back
818		1594
819	=cut
820
821	#############################################################################
822		1595
823	=head2 SAFE SCRIPTING	1596	=head2 SAFE SCRIPTING
824		1597
825	Functions that provide a safe environment to compile and execute	1598	Functions that provide a safe environment to compile and execute
826	snippets of perl code without them endangering the safety of the server	1599	snippets of perl code without them endangering the safety of the server
827	itself. Looping constructs, I/O operators and other built-in functionality	1600	itself. Looping constructs, I/O operators and other built-in functionality
828	is not available in the safe scripting environment, and the number of	1601	is not available in the safe scripting environment, and the number of
829	functions and methods that cna be called is greatly reduced.	1602	functions and methods that can be called is greatly reduced.
830		1603
831	=cut	1604	=cut
832		1605
833	our $safe = new Safe "safe";	1606	our $safe = new Safe "safe";
834	our $safe_hole = new Safe::Hole;	1607	our $safe_hole = new Safe::Hole;
…		…
841		1614
842	=pod	1615	=pod
843		1616
844	The following fucntions and emthods are available within a safe environment:	1617	The following fucntions and emthods are available within a safe environment:
845		1618
846	cf::object contr pay_amount pay_player	1619	cf::object contr pay_amount pay_player map
847	cf::object::player player	1620	cf::object::player player
848	cf::player peaceful	1621	cf::player peaceful
		1622	cf::map trigger
849		1623
850	=cut	1624	=cut
851		1625
852	for (	1626	for (
853	["cf::object" => qw(contr pay_amount pay_player)],	1627	["cf::object" => qw(contr pay_amount pay_player map)],
854	["cf::object::player" => qw(player)],	1628	["cf::object::player" => qw(player)],
855	["cf::player" => qw(peaceful)],	1629	["cf::player" => qw(peaceful)],
		1630	["cf::map" => qw(trigger)],
856	) {	1631	) {
857	no strict 'refs';	1632	no strict 'refs';
858	my ($pkg, @funs) = @$_;	1633	my ($pkg, @funs) = @$_;
859	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1634	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
860	for @funs;	1635	for @funs;
…		…
970		1745
971	Immediately write the database to disk I<if it is dirty>.	1746	Immediately write the database to disk I<if it is dirty>.
972		1747
973	=cut	1748	=cut
974		1749
		1750	our $DB;
		1751
975	{	1752	{
976	my $db;
977	my $path = cf::localdir . "/database.pst";	1753	my $path = cf::localdir . "/database.pst";
978		1754
979	sub db_load() {	1755	sub db_load() {
980	warn "loading database $path\n";#d# remove later	1756	warn "loading database $path\n";#d# remove later
981	$db = stat $path ? Storable::retrieve $path : { };	1757	$DB = stat $path ? Storable::retrieve $path : { };
982	}	1758	}
983		1759
984	my $pid;	1760	my $pid;
985		1761
986	sub db_save() {	1762	sub db_save() {
987	warn "saving database $path\n";#d# remove later	1763	warn "saving database $path\n";#d# remove later
988	waitpid $pid, 0 if $pid;	1764	waitpid $pid, 0 if $pid;
989	if (0 == ($pid = fork)) {	1765	if (0 == ($pid = fork)) {
990	$db->{_meta}{version} = 1;	1766	$DB->{_meta}{version} = 1;
991	Storable::nstore $db, "$path~";	1767	Storable::nstore $DB, "$path~";
992	rename "$path~", $path;	1768	rename "$path~", $path;
993	cf::_exit 0 if defined $pid;	1769	cf::_exit 0 if defined $pid;
994	}	1770	}
995	}	1771	}
996		1772
…		…
999	sub db_sync() {	1775	sub db_sync() {
1000	db_save if $dirty;	1776	db_save if $dirty;
1001	undef $dirty;	1777	undef $dirty;
1002	}	1778	}
1003		1779
1004	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1005	db_sync;	1781	db_sync;
1006	});	1782	});
1007		1783
1008	sub db_dirty() {	1784	sub db_dirty() {
1009	$dirty = 1;	1785	$dirty = 1;
1010	$idle->start;	1786	$idle->start;
1011	}	1787	}
1012		1788
1013	sub db_get($;$) {	1789	sub db_get($;$) {
1014	@_ >= 2	1790	@_ >= 2
1015	? $db->{$_[0]}{$_[1]}	1791	? $DB->{$_[0]}{$_[1]}
1016	: ($db->{$_[0]} \|\|= { })	1792	: ($DB->{$_[0]} \|\|= { })
1017	}	1793	}
1018		1794
1019	sub db_put($$;$) {	1795	sub db_put($$;$) {
1020	if (@_ >= 3) {	1796	if (@_ >= 3) {
1021	$db->{$_[0]}{$_[1]} = $_[2];	1797	$DB->{$_[0]}{$_[1]} = $_[2];
1022	} else {	1798	} else {
1023	$db->{$_[0]} = $_[1];	1799	$DB->{$_[0]} = $_[1];
1024	}	1800	}
1025	db_dirty;	1801	db_dirty;
1026	}	1802	}
1027		1803
1028	attach_global	1804	cf::global->attach (
1029	prio => 10000,	1805	prio => 10000,
1030	on_cleanup => sub {	1806	on_cleanup => sub {
1031	db_sync;	1807	db_sync;
1032	},	1808	},
1033	;	1809	);
1034	}	1810	}
1035		1811
1036	#############################################################################	1812	#############################################################################
1037	# the server's main()	1813	# the server's main()
1038		1814
…		…
1043	local $/;	1819	local $/;
1044	*CFG = YAML::Syck::Load <$fh>;	1820	*CFG = YAML::Syck::Load <$fh>;
1045	}	1821	}
1046		1822
1047	sub main {	1823	sub main {
		1824	# we must not ever block the main coroutine
		1825	local $Coro::idle = sub {
		1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1827	(Coro::unblock_sub {
		1828	Event::one_event;
		1829	})->();
		1830	};
		1831
1048	cfg_load;	1832	cfg_load;
1049	db_load;	1833	db_load;
1050	load_extensions;	1834	load_extensions;
1051	Event::loop;	1835	Event::loop;
1052	}	1836	}
1053		1837
1054	#############################################################################	1838	#############################################################################
1055	# initialisation	1839	# initialisation
1056		1840
1057	sub _perl_reload(&) {	1841	sub reload() {
1058	my ($msg) = @_;	1842	# can/must only be called in main
		1843	if ($Coro::current != $Coro::main) {
		1844	warn "can only reload from main coroutine\n";
		1845	return;
		1846	}
1059		1847
1060	$msg->("reloading...");	1848	warn "reloading...";
		1849
		1850	local $FREEZE = 1;
		1851	cf::emergency_save;
1061		1852
1062	eval {	1853	eval {
		1854	# if anything goes wrong in here, we should simply crash as we already saved
		1855
1063	# cancel all watchers	1856	# cancel all watchers
1064	$_->cancel for Event::all_watchers;	1857	for (Event::all_watchers) {
		1858	$_->cancel if $_->data & WF_AUTOCANCEL;
		1859	}
		1860
		1861	# cancel all extension coros
		1862	$_->cancel for values %EXT_CORO;
		1863	%EXT_CORO = ();
1065		1864
1066	# unload all extensions	1865	# unload all extensions
1067	for (@exts) {	1866	for (@exts) {
1068	$msg->("unloading <$_>");	1867	warn "unloading <$_>";
1069	unload_extension $_;	1868	unload_extension $_;
1070	}	1869	}
1071		1870
1072	# unload all modules loaded from $LIBDIR	1871	# unload all modules loaded from $LIBDIR
1073	while (my ($k, $v) = each %INC) {	1872	while (my ($k, $v) = each %INC) {
1074	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1075		1874
1076	$msg->("removing <$k>");	1875	warn "removing <$k>";
1077	delete $INC{$k};	1876	delete $INC{$k};
1078		1877
1079	$k =~ s/\.pm$//;	1878	$k =~ s/\.pm$//;
1080	$k =~ s/\//::/g;	1879	$k =~ s/\//::/g;
1081		1880
…		…
1086	Symbol::delete_package $k;	1885	Symbol::delete_package $k;
1087	}	1886	}
1088		1887
1089	# sync database to disk	1888	# sync database to disk
1090	cf::db_sync;	1889	cf::db_sync;
		1890	IO::AIO::flush;
1091		1891
1092	# get rid of safe::, as good as possible	1892	# get rid of safe::, as good as possible
1093	Symbol::delete_package "safe::$_"	1893	Symbol::delete_package "safe::$_"
1094	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1095		1895
1096	# remove register_script_function callbacks	1896	# remove register_script_function callbacks
1097	# TODO	1897	# TODO
1098		1898
1099	# unload cf.pm "a bit"	1899	# unload cf.pm "a bit"
…		…
1102	# don't, removes xs symbols, too,	1902	# don't, removes xs symbols, too,
1103	# and global variables created in xs	1903	# and global variables created in xs
1104	#Symbol::delete_package __PACKAGE__;	1904	#Symbol::delete_package __PACKAGE__;
1105		1905
1106	# reload cf.pm	1906	# reload cf.pm
1107	$msg->("reloading cf.pm");	1907	warn "reloading cf.pm";
1108	require cf;	1908	require cf;
		1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1109		1910
1110	# load config and database again	1911	# load config and database again
1111	cf::cfg_load;	1912	cf::cfg_load;
1112	cf::db_load;	1913	cf::db_load;
1113		1914
1114	# load extensions	1915	# load extensions
1115	$msg->("load extensions");	1916	warn "load extensions";
1116	cf::load_extensions;	1917	cf::load_extensions;
1117		1918
1118	# reattach attachments to objects	1919	# reattach attachments to objects
1119	$msg->("reattach");	1920	warn "reattach";
1120	_global_reattach;	1921	_global_reattach;
1121	};	1922	};
1122	$msg->($@) if $@;
1123		1923
1124	$msg->("reloaded");	1924	if ($@) {
		1925	warn $@;
		1926	warn "error while reloading, exiting.";
		1927	exit 1;
		1928	}
		1929
		1930	warn "reloaded successfully";
1125	};	1931	};
1126		1932
1127	sub perl_reload() {	1933	#############################################################################
1128	_perl_reload {
1129	warn $_[0];
1130	print "$_[0]\n";
1131	};
1132	}
1133		1934
		1935	unless ($LINK_MAP) {
		1936	$LINK_MAP = cf::map::new;
		1937
		1938	$LINK_MAP->width (41);
		1939	$LINK_MAP->height (41);
		1940	$LINK_MAP->alloc;
		1941	$LINK_MAP->path ("{link}");
		1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1944
		1945	# dirty hack because... archetypes are not yet loaded
		1946	Event->timer (
		1947	after => 2,
		1948	cb => sub {
		1949	$_[0]->w->cancel;
		1950
		1951	# provide some exits "home"
		1952	my $exit = cf::object::new "exit";
		1953
		1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1957
		1958	$LINK_MAP->insert ($exit->clone, 19, 19);
		1959	$LINK_MAP->insert ($exit->clone, 19, 20);
		1960	$LINK_MAP->insert ($exit->clone, 19, 21);
		1961	$LINK_MAP->insert ($exit->clone, 20, 19);
		1962	$LINK_MAP->insert ($exit->clone, 20, 21);
		1963	$LINK_MAP->insert ($exit->clone, 21, 19);
		1964	$LINK_MAP->insert ($exit->clone, 21, 20);
		1965	$LINK_MAP->insert ($exit->clone, 21, 21);
		1966
		1967	$exit->destroy;
		1968	});
		1969
		1970	$LINK_MAP->{deny_save} = 1;
		1971	$LINK_MAP->{deny_reset} = 1;
		1972
		1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
		1974	}
		1975
		1976	register "<global>", __PACKAGE__;
		1977
1134	register_command "perl-reload", 0, sub {	1978	register_command "reload" => sub {
1135	my ($who, $arg) = @_;	1979	my ($who, $arg) = @_;
1136		1980
1137	if ($who->flag (FLAG_WIZ)) {	1981	if ($who->flag (FLAG_WIZ)) {
1138	_perl_reload {	1982	$who->message ("start of reload.");
1139	warn $_[0];	1983	reload;
1140	$who->message ($_[0]);	1984	$who->message ("end of reload.");
1141	};
1142	}	1985	}
1143	};	1986	};
1144		1987
1145	register "<global>", __PACKAGE__;
1146
1147	unshift @INC, $LIBDIR;	1988	unshift @INC, $LIBDIR;
1148		1989
1149	$TICK_WATCHER = Event->timer (	1990	$TICK_WATCHER = Event->timer (
		1991	reentrant => 0,
1150	prio => 1,	1992	prio => 0,
1151	async => 1,
1152	at => $NEXT_TICK \|\| 1,	1993	at => $NEXT_TICK \|\| $TICK,
		1994	data => WF_AUTOCANCEL,
1153	cb => sub {	1995	cb => sub {
		1996	unless ($FREEZE) {
1154	cf::server_tick; # one server iteration	1997	cf::server_tick; # one server iteration
		1998	$RUNTIME += $TICK;
		1999	}
1155		2000
1156	my $NOW = Event::time;
1157	$NEXT_TICK += $TICK;	2001	$NEXT_TICK += $TICK;
1158		2002
1159	# if we are delayed by four ticks, skip them all	2003	# if we are delayed by four ticks or more, skip them all
1160	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1161		2005
1162	$TICK_WATCHER->at ($NEXT_TICK);	2006	$TICK_WATCHER->at ($NEXT_TICK);
1163	$TICK_WATCHER->start;	2007	$TICK_WATCHER->start;
1164	},	2008	},
1165	);	2009	);
1166		2010
1167	IO::AIO::max_poll_time $TICK * 0.2;	2011	IO::AIO::max_poll_time $TICK * 0.2;
1168		2012
		2013	Event->io (
1169	Event->io (fd => IO::AIO::poll_fileno,	2014	fd => IO::AIO::poll_fileno,
1170	poll => 'r',	2015	poll => 'r',
1171	prio => 5,	2016	prio => 5,
		2017	data => WF_AUTOCANCEL,
1172	cb => \&IO::AIO::poll_cb);	2018	cb => \&IO::AIO::poll_cb,
		2019	);
		2020
		2021	Event->timer (
		2022	data => WF_AUTOCANCEL,
		2023	after => 0,
		2024	interval => 10,
		2025	cb => sub {
		2026	(Coro::unblock_sub {
		2027	write_runtime
		2028	or warn "ERROR: unable to write runtime file: $!";
		2029	})->();
		2030	},
		2031	);
1173		2032
1174	1	2033	1
1175		2034

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.77 by root, Sun Nov 5 11:13:01 2006 UTC vs. Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.77 by root, Sun Nov 5 11:13:01 2006 UTC vs.
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC