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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
…		…
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
52	our %MAP; # all maps	52	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	53	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	54	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	55	our %EXT_CORO;
57		56
58	binmode STDOUT;	57	binmode STDOUT;
59	binmode STDERR;	58	binmode STDERR;
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	70	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	71	mkdir $RANDOM_MAPS;
73		72
74	# a special map that is always available	73	# a special map that is always available
75	our $LINK_MAP;	74	our $LINK_MAP;
		75	our $EMERGENCY_POSITION;
76		76
77	#############################################################################	77	#############################################################################
78		78
79	=head2 GLOBAL VARIABLES	79	=head2 GLOBAL VARIABLES
80		80
…		…
179	sub to_json($) {	179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	181	JSON::Syck::Dump $_[0]
182	}	182	}
183		183
		184	=item cf::lock_wait $string
		185
		186	Wait until the given lock is available. See cf::lock_acquire.
		187
		188	=item my $lock = cf::lock_acquire $string
		189
		190	Wait until the given lock is available and then acquires it and returns
		191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		192	for example when the coroutine gets canceled), the lock is automatically
		193	returned.
		194
		195	Lock names should begin with a unique identifier (for example, cf::map::find
		196	uses map_find and cf::map::load uses map_load).
		197
		198	=cut
		199
		200	our %LOCK;
		201
		202	sub lock_wait($) {
		203	my ($key) = @_;
		204
		205	# wait for lock, if any
		206	while ($LOCK{$key}) {
		207	push @{ $LOCK{$key} }, $Coro::current;
		208	Coro::schedule;
		209	}
		210	}
		211
		212	sub lock_acquire($) {
		213	my ($key) = @_;
		214
		215	# wait, to be sure we are not locked
		216	lock_wait $key;
		217
		218	$LOCK{$key} = [];
		219
		220	Coro::guard {
		221	# wake up all waiters, to be on the safe side
		222	$_->ready for @{ delete $LOCK{$key} };
		223	}
		224	}
		225
		226	=item cf::async { BLOCK }
		227
		228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		229	error instead of exiting the server in case of a problem.
		230
		231	=cut
		232
		233	sub async(&) {
		234	my ($cb) = @_;
		235
		236	Coro::async {
		237	eval { $cb->() };
		238	warn $@ if $@;
		239	}
		240	}
		241
		242	sub freeze_mainloop {
		243	return unless $TICK_WATCHER->is_active;
		244
		245	my $guard = Coro::guard { $TICK_WATCHER->start };
		246	$TICK_WATCHER->stop;
		247	$guard
		248	}
		249
184	=item cf::sync_job { BLOCK }	250	=item cf::sync_job { BLOCK }
185		251
186	The design of crossfire+ requires that the main coro ($Coro::main) is	252	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	253	always able to handle events or runnable, as crossfire+ is only partly
188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
195	=cut	261	=cut
196		262
197	sub sync_job(&) {	263	sub sync_job(&) {
198	my ($job) = @_;	264	my ($job) = @_;
199		265
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($Coro::current == $Coro::main) {	266	if ($Coro::current == $Coro::main) {
		267	# this is the main coro, too bad, we have to block
		268	# till the operation succeeds, freezing the server :/
		269
		270	# TODO: use suspend/resume instead
		271	# (but this is cancel-safe)
		272	my $freeze_guard = freeze_mainloop;
		273
		274	my $busy = 1;
		275	my @res;
		276
		277	(Coro::async {
		278	@res = eval { $job->() };
		279	warn $@ if $@;
		280	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	281	})->prio (Coro::PRIO_MAX);
		282
214	while ($busy) {	283	while ($busy) {
215	Coro::cede_notself;	284	Coro::cede_notself;
216	Event::one_event unless Coro::nready;	285	Event::one_event unless Coro::nready;
217	}	286	}
		287
		288	wantarray ? @res : $res[0]
218	} else {	289	} else {
219	$coro->join;	290	# we are in another coroutine, how wonderful, everything just works
		291
		292	$job->()
220	}	293	}
221
222	wantarray ? @res : $res[0]
223	}	294	}
224		295
225	=item $coro = cf::coro { BLOCK }	296	=item $coro = cf::coro { BLOCK }
226		297
227	Creates and returns a new coro. This coro is automcatially being canceled	298	Creates and returns a new coro. This coro is automcatially being canceled
…		…
230	=cut	301	=cut
231		302
232	sub coro(&) {	303	sub coro(&) {
233	my $cb = shift;	304	my $cb = shift;
234		305
235	my $coro; $coro = async {	306	my $coro = &cf::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		307
242	$coro->on_destroy (sub {	308	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	309	delete $EXT_CORO{$coro+0};
244	});	310	});
245	$EXT_CORO{$coro+0} = $coro;	311	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	317	my $runtime = cf::localdir . "/runtime";
252		318
253	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	319	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
254	or return;	320	or return;
255		321
256	my $value = $cf::RUNTIME;	322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0	323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	324	and return;
259		325
260	aio_fsync $fh	326	aio_fsync $fh
261	and return;	327	and return;
…		…
278	package cf::path;	344	package cf::path;
279		345
280	sub new {	346	sub new {
281	my ($class, $path, $base) = @_;	347	my ($class, $path, $base) = @_;
282		348
		349	$path = $path->as_string if ref $path;
		350
283	my $self = bless { }, $class;	351	my $self = bless { }, $class;
284		352
		353	# {... are special paths that are not touched
		354	# ?xxx/... are special absolute paths
		355	# ?random/... random maps
		356	# /! non-realised random map exit
		357	# /... normal maps
		358	# ~/... per-player maps without a specific player (DO NOT USE)
		359	# ~user/... per-player map of a specific user
		360
		361	if ($path =~ /^{/) {
		362	# fine as it is
285	if ($path =~ s{^\?random/}{}) {	363	} elsif ($path =~ s{^\?random/}{}) {
		364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
286	$self->{random} = cf::from_json $path;	365	$self->{random} = cf::from_json $data;
287	} else {	366	} else {
288	if ($path =~ s{^~([^/]+)?}{}) {	367	if ($path =~ s{^~([^/]+)?}{}) {
289	$self->{user_rel} = 1;	368	$self->{user_rel} = 1;
290		369
291	if (defined $1) {	370	if (defined $1) {
…		…
324		403
325	# the displayed name, this is a one way mapping	404	# the displayed name, this is a one way mapping
326	sub visible_name {	405	sub visible_name {
327	my ($self) = @_;	406	my ($self) = @_;
328		407
329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"	408	# if (my $rmp = $self->{random}) {
330	: $self->as_string	409	# # todo: be more intelligent about this
		410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		411	# } else {
		412	$self->as_string
		413	# }
331	}	414	}
332		415
333	# escape the /'s in the path	416	# escape the /'s in the path
334	sub _escaped_path {	417	sub _escaped_path {
335	# ∕ is U+2215	418	# ∕ is U+2215
…		…
347	# the temporary/swap location	430	# the temporary/swap location
348	sub save_path {	431	sub save_path {
349	my ($self) = @_;	432	my ($self) = @_;
350		433
351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
352	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, Digest::MD5::md5_hex $self->{path}	435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
354	}	437	}
355		438
356	# the unique path, might be eq to save_path	439	# the unique path, might be eq to save_path
357	sub uniq_path {	440	sub uniq_path {
…		…
790	or return;	873	or return;
791		874
792	unless (aio_stat "$filename.pst") {	875	unless (aio_stat "$filename.pst") {
793	(aio_load "$filename.pst", $av) >= 0	876	(aio_load "$filename.pst", $av) >= 0
794	or return;	877	or return;
795	$av = eval { (Storable::thaw <$av>)->{objs} };	878	$av = eval { (Storable::thaw $av)->{objs} };
796	}	879	}
797		880
		881	warn sprintf "loading %s (%d)\n",
		882	$filename, length $data, scalar @{$av \|\| []};#d#
798	return ($data, $av);	883	return ($data, $av);
799	}	884	}
800		885
801	#############################################################################	886	#############################################################################
802	# command handling &c	887	# command handling &c
…		…
1024	$self->send ("ext " . to_json \%msg);	1109	$self->send ("ext " . to_json \%msg);
1025	}	1110	}
1026		1111
1027	=back	1112	=back
1028		1113
		1114
		1115	=head3 cf::map
		1116
		1117	=over 4
		1118
		1119	=cut
		1120
		1121	package cf::map;
		1122
		1123	use Fcntl;
		1124	use Coro::AIO;
		1125
		1126	our $MAX_RESET = 3600;
		1127	our $DEFAULT_RESET = 3000;
		1128
		1129	sub generate_random_map {
		1130	my ($path, $rmp) = @_;
		1131
		1132	# mit "rum" bekleckern, nicht
		1133	cf::map::_create_random_map
		1134	$path,
		1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1138	$rmp->{exit_on_final_map},
		1139	$rmp->{xsize}, $rmp->{ysize},
		1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1145	(cf::region::find $rmp->{region})
		1146	}
		1147
		1148	# and all this just because we cannot iterate over
		1149	# all maps in C++...
		1150	sub change_all_map_light {
		1151	my ($change) = @_;
		1152
		1153	$_->change_map_light ($change)
		1154	for grep $_->outdoor, values %cf::MAP;
		1155	}
		1156
		1157	sub try_load_header($) {
		1158	my ($path) = @_;
		1159
		1160	utf8::encode $path;
		1161	aio_open $path, O_RDONLY, 0
		1162	or return;
		1163
		1164	my $map = cf::map::new
		1165	or return;
		1166
		1167	# for better error messages only, will be overwritten
		1168	$map->path ($path);
		1169
		1170	$map->load_header ($path)
		1171	or return;
		1172
		1173	$map->{load_path} = $path;
		1174
		1175	$map
		1176	}
		1177
		1178	sub find;
		1179	sub find {
		1180	my ($path, $origin) = @_;
		1181
		1182	#warn "find<$path,$origin>\n";#d#
		1183
		1184	$path = new cf::path $path, $origin && $origin->path;
		1185	my $key = $path->as_string;
		1186
		1187	cf::lock_wait "map_find:$key";
		1188
		1189	$cf::MAP{$key} \|\| do {
		1190	my $guard = cf::lock_acquire "map_find:$key";
		1191
		1192	# do it the slow way
		1193	my $map = try_load_header $path->save_path;
		1194
		1195	Coro::cede;
		1196
		1197	if ($map) {
		1198	$map->last_access ((delete $map->{last_access})
		1199	\|\| $cf::RUNTIME); #d#
		1200	# safety
		1201	$map->{instantiate_time} = $cf::RUNTIME
		1202	if $map->{instantiate_time} > $cf::RUNTIME;
		1203	} else {
		1204	if (my $rmp = $path->random_map_params) {
		1205	$map = generate_random_map $key, $rmp;
		1206	} else {
		1207	$map = try_load_header $path->load_path;
		1208	}
		1209
		1210	$map or return;
		1211
		1212	$map->{load_original} = 1;
		1213	$map->{instantiate_time} = $cf::RUNTIME;
		1214	$map->last_access ($cf::RUNTIME);
		1215	$map->instantiate;
		1216
		1217	# per-player maps become, after loading, normal maps
		1218	$map->per_player (0) if $path->{user_rel};
		1219	}
		1220
		1221	$map->path ($key);
		1222	$map->{path} = $path;
		1223	$map->{last_save} = $cf::RUNTIME;
		1224
		1225	Coro::cede;
		1226
		1227	if ($map->should_reset) {
		1228	$map->reset;
		1229	undef $guard;
		1230	$map = find $path
		1231	or return;
		1232	}
		1233
		1234	$cf::MAP{$key} = $map
		1235	}
		1236	}
		1237
		1238	sub load {
		1239	my ($self) = @_;
		1240
		1241	my $path = $self->{path};
		1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1243
		1244	return if $self->in_memory != cf::MAP_SWAPPED;
		1245
		1246	$self->in_memory (cf::MAP_LOADING);
		1247
		1248	$self->alloc;
		1249	$self->load_objects ($self->{load_path}, 1)
		1250	or return;
		1251
		1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1253	if delete $self->{load_original};
		1254
		1255	if (my $uniq = $path->uniq_path) {
		1256	utf8::encode $uniq;
		1257	if (aio_open $uniq, O_RDONLY, 0) {
		1258	$self->clear_unique_items;
		1259	$self->load_objects ($uniq, 0);
		1260	}
		1261	}
		1262
		1263	Coro::cede;
		1264
		1265	# now do the right thing for maps
		1266	$self->link_multipart_objects;
		1267
		1268	if ($self->{path}->is_style_map) {
		1269	$self->{deny_save} = 1;
		1270	$self->{deny_reset} = 1;
		1271	} else {
		1272	$self->fix_auto_apply;
		1273	$self->decay_objects;
		1274	$self->update_buttons;
		1275	$self->set_darkness_map;
		1276	$self->difficulty ($self->estimate_difficulty)
		1277	unless $self->difficulty;
		1278	$self->activate;
		1279	}
		1280
		1281	Coro::cede;
		1282
		1283	$self->in_memory (cf::MAP_IN_MEMORY);
		1284	}
		1285
		1286	sub find_sync {
		1287	my ($path, $origin) = @_;
		1288
		1289	cf::sync_job { cf::map::find $path, $origin }
		1290	}
		1291
		1292	sub do_load_sync {
		1293	my ($map) = @_;
		1294
		1295	cf::sync_job { $map->load };
		1296	}
		1297
		1298	sub save {
		1299	my ($self) = @_;
		1300
		1301	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1302
		1303	$self->{last_save} = $cf::RUNTIME;
		1304
		1305	return unless $self->dirty;
		1306
		1307	my $save = $self->{path}->save_path; utf8::encode $save;
		1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1309
		1310	$self->{load_path} = $save;
		1311
		1312	return if $self->{deny_save};
		1313
		1314	local $self->{last_access} = $self->last_access;#d#
		1315
		1316	if ($uniq) {
		1317	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1318	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1319	} else {
		1320	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1321	}
		1322	}
		1323
		1324	sub swap_out {
		1325	my ($self) = @_;
		1326
		1327	# save first because save cedes
		1328	$self->save;
		1329
		1330	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1331
		1332	return if $self->players;
		1333	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1334	return if $self->{deny_save};
		1335
		1336	$self->clear;
		1337	$self->in_memory (cf::MAP_SWAPPED);
		1338	}
		1339
		1340	sub reset_at {
		1341	my ($self) = @_;
		1342
		1343	# TODO: safety, remove and allow resettable per-player maps
		1344	return 1e99 if $self->{path}{user_rel};
		1345	return 1e99 if $self->{deny_reset};
		1346
		1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1349
		1350	$time + $to
		1351	}
		1352
		1353	sub should_reset {
		1354	my ($self) = @_;
		1355
		1356	$self->reset_at <= $cf::RUNTIME
		1357	}
		1358
		1359	sub unlink_save {
		1360	my ($self) = @_;
		1361
		1362	utf8::encode (my $save = $self->{path}->save_path);
		1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1365	}
		1366
		1367	sub rename {
		1368	my ($self, $new_path) = @_;
		1369
		1370	$self->unlink_save;
		1371
		1372	delete $cf::MAP{$self->path};
		1373	$self->{path} = new cf::path $new_path;
		1374	$self->path ($self->{path}->as_string);
		1375	$cf::MAP{$self->path} = $self;
		1376
		1377	$self->save;
		1378	}
		1379
		1380	sub reset {
		1381	my ($self) = @_;
		1382
		1383	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1384
		1385	return if $self->players;
		1386	return if $self->{path}{user_rel};#d#
		1387
		1388	warn "resetting map ", $self->path;#d#
		1389
		1390	delete $cf::MAP{$self->path};
		1391
		1392	$_->clear_links_to ($self) for values %cf::MAP;
		1393
		1394	$self->unlink_save;
		1395	$self->destroy;
		1396	}
		1397
		1398	my $nuke_counter = "aaaa";
		1399
		1400	sub nuke {
		1401	my ($self) = @_;
		1402
		1403	$self->{deny_save} = 1;
		1404	$self->reset_timeout (1);
		1405	$self->rename ("{nuke}/" . ($nuke_counter++));
		1406	$self->reset; # polite request, might not happen
		1407	}
		1408
		1409	sub customise_for {
		1410	my ($map, $ob) = @_;
		1411
		1412	if ($map->per_player) {
		1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1414	}
		1415
		1416	$map
		1417	}
		1418
		1419	sub emergency_save {
		1420	my $freeze_guard = cf::freeze_mainloop;
		1421
		1422	warn "enter emergency map save\n";
		1423
		1424	cf::sync_job {
		1425	warn "begin emergency map save\n";
		1426	$_->save for values %cf::MAP;
		1427	};
		1428
		1429	warn "end emergency map save\n";
		1430	}
		1431
		1432	package cf;
		1433
		1434	=back
		1435
		1436
1029	=head3 cf::object::player	1437	=head3 cf::object::player
1030		1438
1031	=over 4	1439	=over 4
1032		1440
1033	=item $player_object->reply ($npc, $msg[, $flags])	1441	=item $player_object->reply ($npc, $msg[, $flags])
…		…
1068	(ref $cf::CFG{"may_$access"}	1476	(ref $cf::CFG{"may_$access"}
1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1477	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1070	: $cf::CFG{"may_$access"})	1478	: $cf::CFG{"may_$access"})
1071	}	1479	}
1072		1480
		1481	=item $player_object->enter_link
		1482
		1483	Freezes the player and moves him/her to a special map (C<{link}>).
		1484
		1485	The player should be reaosnably safe there for short amounts of time. You
		1486	I<MUST> call C<leave_link> as soon as possible, though.
		1487
		1488	=item $player_object->leave_link ($map, $x, $y)
		1489
		1490	Moves the player out of the specila link map onto the given map. If the
		1491	map is not valid (or omitted), the player will be moved back to the
		1492	location he/she was before the call to C<enter_link>, or, if that fails,
		1493	to the emergency map position.
		1494
		1495	Might block.
		1496
		1497	=cut
		1498
		1499	sub cf::object::player::enter_link {
		1500	my ($self) = @_;
		1501
		1502	$self->deactivate_recursive;
		1503
		1504	return if $self->map == $LINK_MAP;
		1505
		1506	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1507	if $self->map;
		1508
		1509	$self->enter_map ($LINK_MAP, 20, 20);
		1510	}
		1511
		1512	sub cf::object::player::leave_link {
		1513	my ($self, $map, $x, $y) = @_;
		1514
		1515	my $link_pos = delete $self->{_link_pos};
		1516
		1517	unless ($map) {
		1518	# restore original map position
		1519	($map, $x, $y) = @{ $link_pos \|\| [] };
		1520	$map = cf::map::find $map;
		1521
		1522	unless ($map) {
		1523	($map, $x, $y) = @$EMERGENCY_POSITION;
		1524	$map = cf::map::find $map
		1525	or die "FATAL: cannot load emergency map\n";
		1526	}
		1527	}
		1528
		1529	($x, $y) = (-1, -1)
		1530	unless (defined $x) && (defined $y);
		1531
		1532	# use -1 or undef as default coordinates, not 0, 0
		1533	($x, $y) = ($map->enter_x, $map->enter_y)
		1534	if $x <=0 && $y <= 0;
		1535
		1536	$map->load;
		1537
		1538	$self->activate_recursive;
		1539	$self->enter_map ($map, $x, $y);
		1540	}
		1541
		1542	cf::player->attach (
		1543	on_logout => sub {
		1544	my ($pl) = @_;
		1545
		1546	# abort map switching before logout
		1547	if ($pl->ob->{_link_pos}) {
		1548	cf::sync_job {
		1549	$pl->ob->leave_link
		1550	};
		1551	}
		1552	},
		1553	on_login => sub {
		1554	my ($pl) = @_;
		1555
		1556	# try to abort aborted map switching on player login :)
		1557	# should happen only on crashes
		1558	if ($pl->ob->{_link_pos}) {
		1559	$pl->ob->enter_link;
		1560	cf::async {
		1561	# we need this sleep as the login has a concurrent enter_exit running
		1562	# and this sleep increases chances of the player not ending up in scorn
		1563	Coro::Timer::sleep 1;
		1564	$pl->ob->leave_link;
		1565	};
		1566	}
		1567	},
		1568	);
		1569
		1570	=item $player_object->goto ($path, $x, $y)
		1571
		1572	=cut
		1573
		1574	sub cf::object::player::goto {
		1575	my ($self, $path, $x, $y) = @_;
		1576
		1577	$self->enter_link;
		1578
		1579	(cf::async {
		1580	$path = new cf::path $path;
		1581
		1582	my $map = cf::map::find $path->as_string;
		1583	$map = $map->customise_for ($self) if $map;
		1584
		1585	# warn "entering ", $map->path, " at ($x, $y)\n"
		1586	# if $map;
		1587
		1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1589
		1590	$self->leave_link ($map, $x, $y);
		1591	})->prio (1);
		1592	}
		1593
		1594	=item $player_object->enter_exit ($exit_object)
		1595
		1596	=cut
		1597
		1598	sub parse_random_map_params {
		1599	my ($spec) = @_;
		1600
		1601	my $rmp = { # defaults
		1602	xsize => 10,
		1603	ysize => 10,
		1604	};
		1605
		1606	for (split /\n/, $spec) {
		1607	my ($k, $v) = split /\s+/, $_, 2;
		1608
		1609	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1610	}
		1611
		1612	$rmp
		1613	}
		1614
		1615	sub prepare_random_map {
		1616	my ($exit) = @_;
		1617
		1618	# all this does is basically replace the /! path by
		1619	# a new random map path (?random/...) with a seed
		1620	# that depends on the exit object
		1621
		1622	my $rmp = parse_random_map_params $exit->msg;
		1623
		1624	if ($exit->map) {
		1625	$rmp->{region} = $exit->map->region_name;
		1626	$rmp->{origin_map} = $exit->map->path;
		1627	$rmp->{origin_x} = $exit->x;
		1628	$rmp->{origin_y} = $exit->y;
		1629	}
		1630
		1631	$rmp->{random_seed} \|\|= $exit->random_seed;
		1632
		1633	my $data = cf::to_json $rmp;
		1634	my $md5 = Digest::MD5::md5_hex $data;
		1635
		1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1637	aio_write $fh, 0, (length $data), $data, 0;
		1638
		1639	$exit->slaying ("?random/$md5");
		1640	$exit->msg (undef);
		1641	}
		1642	}
		1643
		1644	sub cf::object::player::enter_exit {
		1645	my ($self, $exit) = @_;
		1646
		1647	return unless $self->type == cf::PLAYER;
		1648
		1649	$self->enter_link;
		1650
		1651	(cf::async {
		1652	$self->deactivate_recursive; # just to be sure
		1653	unless (eval {
		1654	prepare_random_map $exit
		1655	if $exit->slaying eq "/!";
		1656
		1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1659
		1660	1;
		1661	}) {
		1662	$self->message ("Something went wrong deep within the crossfire server. "
		1663	. "I'll try to bring you back to the map you were before. "
		1664	. "Please report this to the dungeon master",
		1665	cf::NDI_UNIQUE \| cf::NDI_RED);
		1666
		1667	warn "ERROR in enter_exit: $@";
		1668	$self->leave_link;
		1669	}
		1670	})->prio (1);
		1671	}
		1672
1073	=head3 cf::client	1673	=head3 cf::client
1074		1674
1075	=over 4	1675	=over 4
1076		1676
1077	=item $client->send_drawinfo ($text, $flags)	1677	=item $client->send_drawinfo ($text, $flags)
…		…
1120	on_reply => sub {	1720	on_reply => sub {
1121	my ($ns, $msg) = @_;	1721	my ($ns, $msg) = @_;
1122		1722
1123	# this weird shuffling is so that direct followup queries	1723	# this weird shuffling is so that direct followup queries
1124	# get handled first	1724	# get handled first
1125	my $queue = delete $ns->{query_queue};	1725	my $queue = delete $ns->{query_queue}
		1726	or return; # be conservative, not sure how that can happen, but we saw a crash here
1126		1727
1127	(shift @$queue)->[1]->($msg);	1728	(shift @$queue)->[1]->($msg);
1128		1729
1129	push @{ $ns->{query_queue} }, @$queue;	1730	push @{ $ns->{query_queue} }, @$queue;
1130		1731
…		…
1147	=cut	1748	=cut
1148		1749
1149	sub cf::client::coro {	1750	sub cf::client::coro {
1150	my ($self, $cb) = @_;	1751	my ($self, $cb) = @_;
1151		1752
1152	my $coro; $coro = async {	1753	my $coro = &cf::async ($cb);
1153	eval {
1154	$cb->();
1155	};
1156	warn $@ if $@;
1157	};
1158		1754
1159	$coro->on_destroy (sub {	1755	$coro->on_destroy (sub {
1160	delete $self->{_coro}{$coro+0};	1756	delete $self->{_coro}{$coro+0};
1161	});	1757	});
1162		1758
…		…
1334		1930
1335	{	1931	{
1336	my $path = cf::localdir . "/database.pst";	1932	my $path = cf::localdir . "/database.pst";
1337		1933
1338	sub db_load() {	1934	sub db_load() {
1339	warn "loading database $path\n";#d# remove later
1340	$DB = stat $path ? Storable::retrieve $path : { };	1935	$DB = stat $path ? Storable::retrieve $path : { };
1341	}	1936	}
1342		1937
1343	my $pid;	1938	my $pid;
1344		1939
1345	sub db_save() {	1940	sub db_save() {
1346	warn "saving database $path\n";#d# remove later
1347	waitpid $pid, 0 if $pid;	1941	waitpid $pid, 0 if $pid;
1348	if (0 == ($pid = fork)) {	1942	if (0 == ($pid = fork)) {
1349	$DB->{_meta}{version} = 1;	1943	$DB->{_meta}{version} = 1;
1350	Storable::nstore $DB, "$path~";	1944	Storable::nstore $DB, "$path~";
1351	rename "$path~", $path;	1945	rename "$path~", $path;
…		…
1399	open my $fh, "<:utf8", cf::confdir . "/config"	1993	open my $fh, "<:utf8", cf::confdir . "/config"
1400	or return;	1994	or return;
1401		1995
1402	local $/;	1996	local $/;
1403	*CFG = YAML::Syck::Load <$fh>;	1997	*CFG = YAML::Syck::Load <$fh>;
		1998
		1999	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2000
		2001	if (exists $CFG{mlockall}) {
		2002	eval {
		2003	$CFG{mlockall} ? &mlockall : &munlockall
		2004	and die "WARNING: m(un)lockall failed: $!\n";
		2005	};
		2006	warn $@ if $@;
		2007	}
1404	}	2008	}
1405		2009
1406	sub main {	2010	sub main {
1407	# we must not ever block the main coroutine	2011	# we must not ever block the main coroutine
1408	local $Coro::idle = sub {	2012	local $Coro::idle = sub {
1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1410	(Coro::unblock_sub {	2014	(Coro::unblock_sub {
1411	Event::one_event;	2015	Event::one_event;
1412	})->();	2016	})->();
1413	};	2017	};
1414		2018
…		…
1419	}	2023	}
1420		2024
1421	#############################################################################	2025	#############################################################################
1422	# initialisation	2026	# initialisation
1423		2027
1424	sub perl_reload() {	2028	sub reload() {
1425	# can/must only be called in main	2029	# can/must only be called in main
1426	if ($Coro::current != $Coro::main) {	2030	if ($Coro::current != $Coro::main) {
1427	warn "can only reload from main coroutine\n";	2031	warn "can only reload from main coroutine\n";
1428	return;	2032	return;
1429	}	2033	}
1430		2034
1431	warn "reloading...";	2035	warn "reloading...";
1432		2036
1433	local $FREEZE = 1;	2037	my $guard = freeze_mainloop;
1434	cf::emergency_save;	2038	cf::emergency_save;
1435		2039
1436	eval {	2040	eval {
1437	# if anything goes wrong in here, we should simply crash as we already saved	2041	# if anything goes wrong in here, we should simply crash as we already saved
1438		2042
…		…
1522	$LINK_MAP->height (41);	2126	$LINK_MAP->height (41);
1523	$LINK_MAP->alloc;	2127	$LINK_MAP->alloc;
1524	$LINK_MAP->path ("{link}");	2128	$LINK_MAP->path ("{link}");
1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2131
		2132	# dirty hack because... archetypes are not yet loaded
		2133	Event->timer (
		2134	after => 2,
		2135	cb => sub {
		2136	$_[0]->w->cancel;
		2137
		2138	# provide some exits "home"
		2139	my $exit = cf::object::new "exit";
		2140
		2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2144
		2145	$LINK_MAP->insert ($exit->clone, 19, 19);
		2146	$LINK_MAP->insert ($exit->clone, 19, 20);
		2147	$LINK_MAP->insert ($exit->clone, 19, 21);
		2148	$LINK_MAP->insert ($exit->clone, 20, 19);
		2149	$LINK_MAP->insert ($exit->clone, 20, 21);
		2150	$LINK_MAP->insert ($exit->clone, 21, 19);
		2151	$LINK_MAP->insert ($exit->clone, 21, 20);
		2152	$LINK_MAP->insert ($exit->clone, 21, 21);
		2153
		2154	$exit->destroy;
		2155	});
		2156
		2157	$LINK_MAP->{deny_save} = 1;
		2158	$LINK_MAP->{deny_reset} = 1;
		2159
		2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1527	}	2161	}
1528		2162
1529	register "<global>", __PACKAGE__;	2163	register "<global>", __PACKAGE__;
1530		2164
1531	register_command "perl-reload" => sub {	2165	register_command "reload" => sub {
1532	my ($who, $arg) = @_;	2166	my ($who, $arg) = @_;
1533		2167
1534	if ($who->flag (FLAG_WIZ)) {	2168	if ($who->flag (FLAG_WIZ)) {
1535	$who->message ("start of reload.");	2169	$who->message ("start of reload.");
1536	perl_reload;	2170	reload;
1537	$who->message ("end of reload.");	2171	$who->message ("end of reload.");
1538	}	2172	}
1539	};	2173	};
1540		2174
1541	unshift @INC, $LIBDIR;	2175	unshift @INC, $LIBDIR;
…		…
1544	reentrant => 0,	2178	reentrant => 0,
1545	prio => 0,	2179	prio => 0,
1546	at => $NEXT_TICK \|\| $TICK,	2180	at => $NEXT_TICK \|\| $TICK,
1547	data => WF_AUTOCANCEL,	2181	data => WF_AUTOCANCEL,
1548	cb => sub {	2182	cb => sub {
1549	unless ($FREEZE) {
1550	cf::server_tick; # one server iteration	2183	cf::server_tick; # one server iteration
1551	$RUNTIME += $TICK;	2184	$RUNTIME += $TICK;
1552	}
1553
1554	$NEXT_TICK += $TICK;	2185	$NEXT_TICK += $TICK;
1555		2186
1556	# if we are delayed by four ticks or more, skip them all	2187	# if we are delayed by four ticks or more, skip them all
1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1558		2189
…		…
1581	or warn "ERROR: unable to write runtime file: $!";	2212	or warn "ERROR: unable to write runtime file: $!";
1582	})->();	2213	})->();
1583	},	2214	},
1584	);	2215	);
1585		2216
		2217	END { cf::emergency_save }
		2218
1586	1	2219	1
1587		2220

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs. Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC