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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.192 by root, Wed Jan 24 01:43:01 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 3.4 ();
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;
…		…
24	use YAML::Syck ();	24	use YAML::Syck ();
25	use Time::HiRes;	25	use Time::HiRes;
26		26
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
28		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
31		33
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		35
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35
36	our %COMMAND = ();	36	our %COMMAND = ();
37	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
39		43
40	our @EVENT;	44	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
42		46
43	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
45	our $NEXT_TICK;	51	our $NEXT_TICK;
46	our $NOW;	52	our $NOW;
47		53
48	our %CFG;	54	our %CFG;
49		55
50	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	57	our $RUNTIME;
52		58
53	our %PLAYER; # all users	59	our %PLAYER; # all users
54	our %MAP; # all maps	60	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		69
59	binmode STDOUT;	70	binmode STDOUT;
60	binmode STDERR;	71	binmode STDERR;
61		72
62	# read virtual server time, if available	73	# read virtual server time, if available
…		…
70	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
74		85
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
146	}	162	}
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		167
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
…		…
247	}	259	}
248		260
249	sub freeze_mainloop {	261	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
251		263
252	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
253	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
254	$guard	270	$guard
255	}	271	}
256		272
257	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub async_ext(&) {	335	sub async_ext(&) {
…		…
333	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
334		350
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	352	or return;
337		353
		354	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	359	and return;
341		360
342	aio_fsync $fh	361	aio_fsync $fh
343	and return;	362	and return;
…		…
352	}	371	}
353		372
354	=back	373	=back
355		374
356	=cut	375	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		376
480	#############################################################################	377	#############################################################################
481		378
482	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
483		380
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	507	our @CB_MAP = ();
611		508
612	my %attachment;	509	my %attachment;
613		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
614	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
616		519
617	use sort 'stable';	520	use sort 'stable';
618		521
…		…
789	# object support	692	# object support
790		693
791	sub reattach {	694	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		699
795	my $registry = $obj->registry;	700	my $registry = $obj->registry;
796		701
797	@$registry = ();	702	@$registry = ();
798		703
…		…
930	=cut	835	=cut
931		836
932	sub register_extcmd {	837	sub register_extcmd {
933	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
934		839
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
939	}	841	}
940		842
941	cf::player->attach (	843	cf::player->attach (
942	on_command => sub {	844	on_command => sub {
943	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
956		858
957	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
958		860
959	if (ref $msg) {	861	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	865	}
964	}	866	}
965	} else {	867	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		870
969	cf::override;	871	cf::override;
970	},	872	},
971	);	873	);
972		874
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	875	sub load_extension {
980	my ($path) = @_;	876	my ($path) = @_;
981		877
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	879	my $base = $1;
984	my $pkg = $1;	880	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
987		883
988	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
989		885
990	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
991	or die "$path: $!";	887	or die "$path: $!";
992		888
993	my $source =	889	my $source =
994	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
997	. "\n};\n1";	893	. "\n};\n1";
998		894
999	eval $source	895	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	897	: "extension disabled.\n";
1002		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	899	warn $@;
1004	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1005		901	exit 1;
1006	# no strict 'refs';	902	}
1007	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	904	}
1022		905
1023	# remove commands	906	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	907	}
1048		908
1049	sub load_extensions {	909	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	911	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1056	}	916	}
1057	}	917	}
1058		918
1059	#############################################################################	919	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		920
1097	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1098		922
1099	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1100		924
…		…
1136		960
1137	sub exists($) {	961	sub exists($) {
1138	my ($login) = @_;	962	my ($login) = @_;
1139		963
1140	$cf::PLAYER{$login}	964	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	965	or cf::sync_job { !aio_stat path $login }
1142	}	966	}
1143		967
1144	sub find($) {	968	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	969	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	970	my $login = $_[0];
…		…
1225	my @logins;	1049	my @logins;
1226		1050
1227	for my $login (@$dirs) {	1051	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1053	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1055
1232	utf8::decode $login;	1056	utf8::decode $login;
1233	push @logins, $login;	1057	push @logins, $login;
1234	}	1058	}
1235		1059
1236	\@logins	1060	\@logins
1237	}	1061	}
1238		1062
1239	=item $player->maps	1063	=item $player->maps
1240		1064
1241	Returns an arrayref of cf::path's of all maps that are private for this	1065	Returns an arrayref of map paths that are private for this
1242	player. May block.	1066	player. May block.
1243		1067
1244	=cut	1068	=cut
1245		1069
1246	sub maps($) {	1070	sub maps($) {
…		…
1252	my @paths;	1076	my @paths;
1253		1077
1254	for (@$files) {	1078	for (@$files) {
1255	utf8::decode $_;	1079	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1080	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1081	next unless /^$PATH_SEP/o;
1258		1082
1259	s/$PATH_SEP/\//g;	1083	s/\.map$//;
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1261	}	1085	}
1262		1086
1263	\@paths	1087	\@paths
1264	}	1088	}
1265		1089
…		…
1291	package cf::map;	1115	package cf::map;
1292		1116
1293	use Fcntl;	1117	use Fcntl;
1294	use Coro::AIO;	1118	use Coro::AIO;
1295		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1296	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1298		1126
1299	sub generate_random_map {	1127	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1130	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1270	}
1317		1271
1318	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1319	# all maps in C++...	1273	# all maps in C++...
1320	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1322		1276
1323	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1325	}	1279	}
1326		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1327	sub try_load_header($) {	1289	sub load_header_from($) {
1328	my ($path) = @_;	1290	my ($self, $path) = @_;
1329		1291
1330	utf8::encode $path;	1292	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1332	or return;	1294	or return;
1333		1295
1334	my $map = cf::map::new	1296	$self->_load_header ($path)
1335	or return;	1297	or return;
1336		1298
1337	# for better error messages only, will be overwritten	1299	$self->{load_path} = $path;
1338	$map->path ($path);
1339		1300
1340	$map->load_header ($path)	1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1341	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1342		1345
1343	$map->{load_path} = $path;	1346	1
1344
1345	$map
1346	}	1347	}
1347		1348
1348	sub find;	1349	sub find;
1349	sub find {	1350	sub find {
1350	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1351		1352
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1354
1357	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1358		1356
1359	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1361		1359	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1360	or return;
1381		1361
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1394		1363
1395	Coro::cede;	1364	$map->load_header
		1365	or return;
1396		1366
1397	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1370	$map->reset;
1399	undef $guard;	1371	undef $guard;
1400	$map = find $path	1372	return find $path;
1401	or return;
1402	}	1373	}
1403		1374
1404	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1405	}	1376	}
1406	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1407		1381
1408	sub load {	1382	sub load {
1409	my ($self) = @_;	1383	my ($self) = @_;
1410		1384
1411	my $path = $self->{path};	1385	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1413		1387
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1389
1416	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1417		1391
1418	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1419	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1397	or return;
1421		1398
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1400	if delete $self->{load_original};
1424		1401
1425	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1403	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1405	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1430	}	1407	}
1431	}	1408	}
1432		1409
1433	Coro::cede;	1410	Coro::cede;
1434		1411
1435	# now do the right thing for maps	1412	# now do the right thing for maps
1436	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1437		1414
1438	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1416	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1445	$self->set_darkness_map;	1420	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1448	$self->activate;	1424	$self->activate;
1449	}	1425	}
1450		1426
1451	Coro::cede;	1427	$self->post_load;
1452		1428
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
		1430	}
		1431
		1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
1454	}	1463	}
1455		1464
1456	sub find_sync {	1465	sub find_sync {
1457	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1458		1467
1459	cf::sync_job { cf::map::find $path, $origin }	1468	cf::sync_job { find $path, $origin }
1460	}	1469	}
1461		1470
1462	sub do_load_sync {	1471	sub do_load_sync {
1463	my ($map) = @_;	1472	my ($map) = @_;
1464		1473
1465	cf::sync_job { $map->load };	1474	cf::sync_job { $map->load };
1466	}	1475	}
1467		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
		1495	$map->load;
		1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
		1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
		1505	}
		1506
1468	sub save {	1507	sub save {
1469	my ($self) = @_;	1508	my ($self) = @_;
1470		1509
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1511
1473	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1474		1513
1475	return unless $self->dirty;	1514	return unless $self->dirty;
1476		1515
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1518
1480	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1481		1520
1482	return if $self->{deny_save};	1521	return if $self->{deny_save};
1483		1522
…		…
1486	cf::async {	1525	cf::async {
1487	$_->contr->save for $self->players;	1526	$_->contr->save for $self->players;
1488	};	1527	};
1489		1528
1490	if ($uniq) {	1529	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1532	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1534	}
1496	}	1535	}
1497		1536
1498	sub swap_out {	1537	sub swap_out {
1499	my ($self) = @_;	1538	my ($self) = @_;
…		…
1513		1552
1514	sub reset_at {	1553	sub reset_at {
1515	my ($self) = @_;	1554	my ($self) = @_;
1516		1555
1517	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1520		1559
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1562
…		…
1528	my ($self) = @_;	1567	my ($self) = @_;
1529		1568
1530	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1531	}	1570	}
1532		1571
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1572	sub reset {
1555	my ($self) = @_;	1573	my ($self) = @_;
1556		1574
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1576
1559	return if $self->players;	1577	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1561		1579
1562	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1563		1581
1564	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1565		1586
1566	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1567		1588
1568	$self->unlink_save;	1589	$self->unlink_save;
1569	$self->destroy;	1590	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1573		1594
1574	sub nuke {	1595	sub nuke {
1575	my ($self) = @_;	1596	my ($self) = @_;
1576		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1580	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1581	}	1611	}
1582		1612
1583	sub customise_for {	1613	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1614
1586	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1588	}
1589		1617
1590	$map	1618	=cut
1591	}
1592		1619
1593	sub emergency_save {	1620	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1595		1623
1596	warn "enter emergency perl save\n";	1624	my @paths;
1597		1625
1598	cf::sync_job {	1626	for (@$files) {
1599	warn "begin emergency player save\n";	1627	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1628	next if /\.pst$/;
1601	warn "end emergency player save\n";	1629	next unless /^$PATH_SEP/o;
1602		1630
1603	warn "begin emergency map save\n";	1631	s/\.map$//;
1604	$_->save for values %cf::MAP;	1632	push @paths, $_;
1605	warn "end emergency map save\n";
1606	};	1633	}
1607		1634
1608	warn "leave emergency perl save\n";	1635	\@paths
1609	}	1636	}
1610		1637
1611	package cf;	1638	package cf;
1612		1639
1613	=back	1640	=back
1614		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1615		1668
1616	=head3 cf::object::player	1669	=head3 cf::object::player
1617		1670
1618	=over 4	1671	=over 4
1619		1672
…		…
1659		1712
1660	=item $player_object->enter_link	1713	=item $player_object->enter_link
1661		1714
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1716
1664	The player should be reaosnably safe there for short amounts of time. You	1717	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1666		1719
		1720	Will never block.
		1721
1667	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1668		1723
1669	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1727	fails, to the emergency map position.
1673		1728
1674	Might block.	1729	Might block.
1675		1730
1676	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1677		1742
1678	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1744	my ($self) = @_;
1680		1745
1681	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1682		1747
1683	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1749
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1751	if $self->map;
1687		1752
1688	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1689	}	1754	}
1690		1755
1691	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1693		1758
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1714		1779
1715	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1716		1782
1717	return unless $self->contr->active;	1783	return unless $self->contr->active;
1718	$self->activate_recursive;	1784	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1720	}	1786	}
…		…
1756	=cut	1822	=cut
1757		1823
1758	sub cf::object::player::goto {	1824	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1760		1826
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1827	$self->enter_link;
1765		1828
1766	(async {	1829	(async {
1767	my $map = cf::map::find $path->as_string;	1830	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1769		1832
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1771	# if $map;	1834	# if $map;
1772		1835
…		…
1782		1845
1783	sub parse_random_map_params {	1846	sub parse_random_map_params {
1784	my ($spec) = @_;	1847	my ($spec) = @_;
1785		1848
1786	my $rmp = { # defaults	1849	my $rmp = { # defaults
1787	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1789	};	1854	};
1790		1855
1791	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1793		1858
…		…
1797	$rmp	1862	$rmp
1798	}	1863	}
1799		1864
1800	sub prepare_random_map {	1865	sub prepare_random_map {
1801	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1869
1803	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1872	# that depends on the exit object
1806		1873
…		…
1815		1882
1816	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1817		1884
1818	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1888
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1823		1893
1824	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1895	$exit->msg (undef);
1826	}	1896	}
1827	}	1897	}
…		…
1837	$self->deactivate_recursive; # just to be sure	1907	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1908	unless (eval {
1839	prepare_random_map $exit	1909	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1841		1911
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		1914
1845	1;	1915	1;
1846	}) {	1916	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1921
1852	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1923	$self->leave_link;
1854	}	1924	}
…		…
2137	sub db_sync() {	2207	sub db_sync() {
2138	db_save if $dirty;	2208	db_save if $dirty;
2139	undef $dirty;	2209	undef $dirty;
2140	}	2210	}
2141		2211
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
2143	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
2144	});	2219	);
2145		2220
2146	sub db_dirty() {	2221	sub db_dirty() {
2147	$dirty = 1;	2222	$dirty = 1;
2148	$idle->start;	2223	$idle->start;
2149	}	2224	}
…		…
2197		2272
2198	sub main {	2273	sub main {
2199	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2277	(async {
2202	async { Event::one_event };	2278	Event::one_event;
		2279	})->prio (Coro::PRIO_MAX);
2203	};	2280	};
2204		2281
2205	cfg_load;	2282	cfg_load;
2206	db_load;	2283	db_load;
2207	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
2208	Event::loop;	2287	Event::loop;
2209	}	2288	}
2210		2289
2211	#############################################################################	2290	#############################################################################
2212	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2213		2336
2214	sub reload() {	2337	sub reload() {
2215	# can/must only be called in main	2338	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2218	return;	2341	return;
2219	}	2342	}
2220		2343
2221	warn "reloading...";	2344	warn "reloading...";
2222		2345
2223	my $guard = freeze_mainloop;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2224	cf::emergency_save;	2349	cf::emergency_save;
2225		2350
2226	eval {	2351	eval {
2227	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
2228		2353
2229	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2360	}
2233		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
2234	# cancel all extension coros	2370	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2372	%EXT_CORO = ();
2237		2373
2238	# unload all extensions	2374	warn "removing commands";
2239	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2241	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2389	}
2243		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2244	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2398
2248	warn "removing <$k>";	2399	warn "... unloading $k";
2249	delete $INC{$k};	2400	delete $INC{$k};
2250		2401
2251	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2253		2404
…		…
2256	}	2407	}
2257		2408
2258	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2259	}	2410	}
2260		2411
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2415
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2274		2418
2275	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2420	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2278		2422
2279	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2280	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2281	require cf;	2426	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2428
2284	# load config and database again	2429	warn "loading config and database again";
2285	cf::cfg_load;	2430	cf::cfg_load;
2286	cf::db_load;	2431	cf::db_load;
2287		2432
2288	# load extensions
2289	warn "load extensions";	2433	warn "loading extensions";
2290	cf::load_extensions;	2434	cf::load_extensions;
2291		2435
2292	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2296	};	2444	};
2297		2445
2298	if ($@) {	2446	if ($@) {
2299	warn $@;	2447	warn $@;
2300	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2301	exit 1;	2449	exit 1;
2302	}	2450	}
2303		2451
2304	warn "reloaded successfully";	2452	warn "reloaded";
2305	};	2453	};
2306		2454
2307	#############################################################################	2455	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2456
2352	register_command "reload" => sub {	2457	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2354		2459
2355	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2357	reload;	2471	reload;
2358	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2359	}	2475	}
2360	};	2476	};
2361		2477
2362	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2363		2481
2364	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2366	prio => 0,	2485	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2369	cb => sub {	2488	cb => sub {
		2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2370	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2373		2509
2374	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2512
2377	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2379	},	2515	},
2380	);	2516	);
2381		2517
2382	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2383		2519
2384	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2386	poll => 'r',	2524	poll => 'r',
2387	prio => 5,	2525	prio => 6,
2388	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2390	);	2528	);
2391		2529
2392	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2393	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2394	after => 0,	2533	after => 1,
2395	interval => 10,	2534	interval => 10,
2396	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2397	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2398	write_runtime	2537	write_runtime
2399	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2400	})->();
2401	},	2539	},
2402	);	2540	);
2403		2541
2404	END { cf::emergency_save }	2542	END { cf::emergency_save }
2405		2543

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