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

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC

…		…
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;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	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
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$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
32		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
…		…
47	our %CFG;	52	our %CFG;
48		53
49	our $UPTIME; $UPTIME \|\|= time;	54	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	55	our $RUNTIME;
51		56
		57	our %PLAYER; # all users
52	our %MAP; # all maps	58	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	59	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	60	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	61
		62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
		63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
		64
		65	# used to convert map paths into valid unix filenames by replacing / by ∕
		66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		67
57	binmode STDOUT;	68	binmode STDOUT;
58	binmode STDERR;	69	binmode STDERR;
59		70
60	# read virtual server time, if available	71	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	79	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	80	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	81	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	82	mkdir $RANDOM_MAPS;
72		83
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	84	our $EMERGENCY_POSITION;
76		85
77	#############################################################################	86	#############################################################################
78		87
79	=head2 GLOBAL VARIABLES	88	=head2 GLOBAL VARIABLES
…		…
104		113
105	=item %cf::CFG	114	=item %cf::CFG
106		115
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	116	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	117	from wherever your confdir points to.
		118
		119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		120
		121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		123	processing has been done. Call C<< ->wait >> on them to maximise the
		124	window of cpu time available, or simply to synchronise to the server tick.
109		125
110	=back	126	=back
111		127
112	=cut	128	=cut
113		129
…		…
117	utf8::encode $msg;	133	utf8::encode $msg;
118		134
119	$msg .= "\n"	135	$msg .= "\n"
120	unless $msg =~ /\n$/;	136	unless $msg =~ /\n$/;
121		137
122	LOG llevError, "cfperl: $msg";	138	LOG llevError, $msg;
123	};	139	};
124	}	140	}
125		141
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		161
146	$Event::DIED = sub {	162	$Event::DIED = sub {
147	warn "error in event callback: @_";	163	warn "error in event callback: @_";
148	};	164	};
149		165
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	166	=head2 UTILITY FUNCTIONS
155		167
156	=over 4	168	=over 4
157		169
		170	=item dumpval $ref
		171
158	=cut	172	=cut
		173
		174	sub dumpval {
		175	eval {
		176	local $SIG{__DIE__};
		177	my $d;
		178	if (1) {
		179	$d = new Data::Dumper([$_[0]], ["*var"]);
		180	$d->Terse(1);
		181	$d->Indent(2);
		182	$d->Quotekeys(0);
		183	$d->Useqq(1);
		184	#$d->Bless(...);
		185	$d->Seen($_[1]) if @_ > 1;
		186	$d = $d->Dump();
		187	}
		188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		189	$d
		190	} \|\| "[unable to dump $_[0]: '$@']";
		191	}
159		192
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	193	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		194
162	=item $ref = cf::from_json $json	195	=item $ref = cf::from_json $json
163		196
…		…
286	}	319	}
287	}	320	}
288		321
289	=item $coro = cf::async_ext { BLOCK }	322	=item $coro = cf::async_ext { BLOCK }
290		323
291	Like async, but this coro is automcatially being canceled when the	324	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	325	extension calling this is being unloaded.
293		326
294	=cut	327	=cut
295		328
296	sub async_ext(&) {	329	sub async_ext(&) {
…		…
305		338
306	$coro	339	$coro
307	}	340	}
308		341
309	sub write_runtime {	342	sub write_runtime {
		343	return unless $TICK_WATCHER->is_active;
		344
310	my $runtime = cf::localdir . "/runtime";	345	my $runtime = cf::localdir . "/runtime";
311		346
312	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	347	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
313	or return;	348	or return;
314		349
…		…
329	}	364	}
330		365
331	=back	366	=back
332		367
333	=cut	368	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} \|\| $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		369
455	#############################################################################	370	#############################################################################
456		371
457	=head2 ATTACHABLE OBJECTS	372	=head2 ATTACHABLE OBJECTS
458		373
…		…
905	=cut	820	=cut
906		821
907	sub register_extcmd {	822	sub register_extcmd {
908	my ($name, $cb) = @_;	823	my ($name, $cb) = @_;
909		824
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	825	$EXTCMD{$name} = $cb;
914	}	826	}
915		827
916	cf::player->attach (	828	cf::player->attach (
917	on_command => sub {	829	on_command => sub {
918	my ($pl, $name, $params) = @_;	830	my ($pl, $name, $params) = @_;
…		…
931		843
932	my $msg = eval { from_json $buf };	844	my $msg = eval { from_json $buf };
933		845
934	if (ref $msg) {	846	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	848	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	849	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	850	}
939	}	851	}
940	} else {	852	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		855
944	cf::override;	856	cf::override;
945	},	857	},
946	);	858	);
947		859
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	860	sub load_extension {
955	my ($path) = @_;	861	my ($path) = @_;
956		862
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	864	my $base = $1;
959	my $pkg = $1;	865	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	866	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	867	$pkg = "ext::$pkg";
962		868
963	warn "loading '$path' into '$pkg'\n";	869	warn "... loading '$path' into '$pkg'\n";
964		870
965	open my $fh, "<:utf8", $path	871	open my $fh, "<:utf8", $path
966	or die "$path: $!";	872	or die "$path: $!";
967		873
968	my $source =	874	my $source =
969	"package $pkg; use strict; use utf8;\n"	875	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	876	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	877	. (do { local $/; <$fh> })
972	. "\n};\n1";	878	. "\n};\n1";
973		879
974	eval $source	880	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	881	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	882	: "extension disabled.\n";
977		883	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	884	warn $@;
979	$ext_pkg{$base} = $pkg;	885	warn "mandatory extension failed to load, exiting.\n";
980		886	exit 1;
981	# no strict 'refs';	887	}
982	# @{"$pkg\::ISA"} = ext::;	888	die $@;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	889	}
997		890
998	# remove commands	891	push @EXTS, $pkg;
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	892	}
1023		893
1024	sub load_extensions {	894	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	895	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	896	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	900	} or warn "$ext not loaded: $@";
1031	}	901	}
1032	}	902	}
1033		903
1034	#############################################################################	904	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071		905
1072	=head2 CORE EXTENSIONS	906	=head2 CORE EXTENSIONS
1073		907
1074	Functions and methods that extend core crossfire objects.	908	Functions and methods that extend core crossfire objects.
1075		909
		910	=cut
		911
		912	package cf::player;
		913
		914	use Coro::AIO;
		915
1076	=head3 cf::player	916	=head3 cf::player
1077		917
1078	=over 4	918	=over 4
1079		919
1080	=item cf::player::exists $login	920	=item cf::player::find $login
1081		921
1082	Returns true when the given account exists.	922	Returns the given player object, loading it if necessary (might block).
1083		923
1084	=cut	924	=cut
1085		925
1086	sub cf::player::exists($) {	926	sub playerdir($) {
1087	cf::player::find $_[0]	927	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	928	. "/"
		929	. cf::playerdir
		930	. "/"
		931	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		932	}
		933
		934	sub path($) {
		935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		936
		937	(playerdir $login) . "/$login.pl"
		938	}
		939
		940	sub find_active($) {
		941	$cf::PLAYER{$_[0]}
		942	and $cf::PLAYER{$_[0]}->active
		943	and $cf::PLAYER{$_[0]}
		944	}
		945
		946	sub exists($) {
		947	my ($login) = @_;
		948
		949	$cf::PLAYER{$login}
		950	or cf::sync_job { !aio_stat $login }
		951	}
		952
		953	sub find($) {
		954	return $cf::PLAYER{$_[0]} \|\| do {
		955	my $login = $_[0];
		956
		957	my $guard = cf::lock_acquire "user_find:$login";
		958
		959	$cf::PLAYER{$_[0]} \|\| do {
		960	my $pl = load_pl path $login
		961	or return;
		962	$cf::PLAYER{$login} = $pl
		963	}
		964	}
		965	}
		966
		967	sub save($) {
		968	my ($pl) = @_;
		969
		970	return if $pl->{deny_save};
		971
		972	my $path = path $pl;
		973	my $guard = cf::lock_acquire "user_save:$path";
		974
		975	return if $pl->{deny_save};
		976
		977	aio_mkdir playerdir $pl, 0770;
		978	$pl->{last_save} = $cf::RUNTIME;
		979
		980	$pl->save_pl ($path);
		981	Coro::cede;
		982	}
		983
		984	sub new($) {
		985	my ($login) = @_;
		986
		987	my $self = create;
		988
		989	$self->ob->name ($login);
		990	$self->{deny_save} = 1;
		991
		992	$cf::PLAYER{$login} = $self;
		993
		994	$self
		995	}
		996
		997	=item $pl->quit_character
		998
		999	Nukes the player without looking back. If logged in, the connection will
		1000	be destroyed. May block for a long time.
		1001
		1002	=cut
		1003
		1004	sub quit_character {
		1005	my ($pl) = @_;
		1006
		1007	$pl->{deny_save} = 1;
		1008	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1009
		1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1011	$pl->deactivate;
		1012	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1013	$pl->ns->destroy if $pl->ns;
		1014
		1015	my $path = playerdir $pl;
		1016	my $temp = "$path~$cf::RUNTIME~deleting~";
		1017	aio_rename $path, $temp;
		1018	delete $cf::PLAYER{$pl->ob->name};
		1019	$pl->destroy;
		1020	IO::AIO::aio_rmtree $temp;
		1021	}
		1022
		1023	=item cf::player::list_logins
		1024
		1025	Returns am arrayref of all valid playernames in the system, can take a
		1026	while and may block, so not sync_job-capable, ever.
		1027
		1028	=cut
		1029
		1030	sub list_logins {
		1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1032	or return [];
		1033
		1034	my @logins;
		1035
		1036	for my $login (@$dirs) {
		1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1038	aio_read $fh, 0, 512, my $buf, 0 or next;
		1039	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1040
		1041	utf8::decode $login;
		1042	push @logins, $login;
		1043	}
		1044
		1045	\@logins
		1046	}
		1047
		1048	=item $player->maps
		1049
		1050	Returns an arrayref of map paths that are private for this
		1051	player. May block.
		1052
		1053	=cut
		1054
		1055	sub maps($) {
		1056	my ($pl) = @_;
		1057
		1058	my $files = aio_readdir playerdir $pl
		1059	or return;
		1060
		1061	my @paths;
		1062
		1063	for (@$files) {
		1064	utf8::decode $_;
		1065	next if /\.(?:pl\|pst)$/;
		1066	next unless /^$PATH_SEP/o;
		1067
		1068	s/\.map$//;
		1069	push @paths, "~" . $pl->ob->name . "/" . $_;
		1070	}
		1071
		1072	\@paths
1089	}	1073	}
1090		1074
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1075	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1076
1093	Sends an ext reply to the player.	1077	Sends an ext reply to the player.
1094		1078
1095	=cut	1079	=cut
1096		1080
1097	sub cf::player::ext_reply($$$%) {	1081	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1082	my ($self, $id, %msg) = @_;
1099		1083
1100	$msg{msgid} = $id;	1084	$msg{msgid} = $id;
1101		1085
1102	$self->send ("ext " . to_json \%msg);	1086	$self->send ("ext " . cf::to_json \%msg);
1103	}	1087	}
		1088
		1089	package cf;
1104		1090
1105	=back	1091	=back
1106		1092
1107		1093
1108	=head3 cf::map	1094	=head3 cf::map
…		…
1114	package cf::map;	1100	package cf::map;
1115		1101
1116	use Fcntl;	1102	use Fcntl;
1117	use Coro::AIO;	1103	use Coro::AIO;
1118		1104
		1105	use overload
		1106	'""' => \&as_string;
		1107
1119	our $MAX_RESET = 3600;	1108	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1109	our $DEFAULT_RESET = 3000;
1121		1110
1122	sub generate_random_map {	1111	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1112	my ($self, $rmp) = @_;
1124		1113
1125	# mit "rum" bekleckern, nicht	1114	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1115	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1119	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1120	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1121	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1122	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1123	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1124	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1126	(cf::region::find $rmp->{region}), $rmp->{custom}
		1127	)
		1128	}
		1129
		1130	sub register {
		1131	my (undef, $regex) = @_;
		1132	my $pkg = caller;
		1133
		1134	no strict;
		1135	push @{"$pkg\::ISA"}, __PACKAGE__;
		1136
		1137	$EXT_MAP{$pkg} = qr<$regex>;
		1138	}
		1139
		1140	# also paths starting with '/'
		1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1142
		1143	sub normalise {
		1144	my ($path, $base) = @_;
		1145
		1146	# map plan:
		1147	#
		1148	# /! non-realised random map exit (special hack!)
		1149	# {... are special paths that are not being touched
		1150	# ?xxx/... are special absolute paths
		1151	# ?random/... random maps
		1152	# /... normal maps
		1153	# ~user/... per-player map of a specific user
		1154
		1155	$path =~ s/$PATH_SEP/\//go;
		1156
		1157	# treat it as relative path if it starts with
		1158	# something that looks reasonable
		1159	if ($path =~ m{^(?:\./\|\.\./\|\w)}) {
		1160	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1161
		1162	$base =~ s{[^/]+/?$}{};
		1163	$path = "$base/$path";
		1164	}
		1165
		1166	for ($path) {
		1167	redo if s{//}{/};
		1168	redo if s{/\.?/}{/};
		1169	redo if s{/[^/]+/\.\./}{/};
		1170	}
		1171
		1172	$path
		1173	}
		1174
		1175	sub new_from_path {
		1176	my (undef, $path, $base) = @_;
		1177
		1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1179
		1180	$path = normalise $path, $base;
		1181
		1182	for my $pkg (keys %EXT_MAP) {
		1183	if ($path =~ $EXT_MAP{$pkg}) {
		1184	my $self = bless cf::map::new, $pkg;
		1185	$self->{path} = $path; $self->path ($path);
		1186	$self->init; # pass $1 etc.
		1187	return $self;
		1188	}
		1189	}
		1190
		1191	Carp::carp "unable to resolve path '$path'.";
		1192	()
		1193	}
		1194
		1195	sub init {
		1196	my ($self) = @_;
		1197
		1198	$self
		1199	}
		1200
		1201	sub as_string {
		1202	my ($self) = @_;
		1203
		1204	"$self->{path}"
		1205	}
		1206
		1207	# the displayed name, this is a one way mapping
		1208	sub visible_name {
		1209	&as_string
		1210	}
		1211
		1212	# the original (read-only) location
		1213	sub load_path {
		1214	my ($self) = @_;
		1215
		1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1217	}
		1218
		1219	# the temporary/swap location
		1220	sub save_path {
		1221	my ($self) = @_;
		1222
		1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1225	}
		1226
		1227	# the unique path, undef == no special unique path
		1228	sub uniq_path {
		1229	my ($self) = @_;
		1230
		1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1233	}
1140		1234
1141	# and all this just because we cannot iterate over	1235	# and all this just because we cannot iterate over
1142	# all maps in C++...	1236	# all maps in C++...
1143	sub change_all_map_light {	1237	sub change_all_map_light {
…		…
1145		1239
1146	$_->change_map_light ($change)	1240	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1241	for grep $_->outdoor, values %cf::MAP;
1148	}	1242	}
1149		1243
		1244	sub unlink_save {
		1245	my ($self) = @_;
		1246
		1247	utf8::encode (my $save = $self->save_path);
		1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
		1250	}
		1251
1150	sub try_load_header($) {	1252	sub load_header_from($) {
1151	my ($path) = @_;	1253	my ($self, $path) = @_;
1152		1254
1153	utf8::encode $path;	1255	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1256	aio_open $path, O_RDONLY, 0
1155	or return;	1257	or return;
1156		1258
1157	my $map = cf::map::new	1259	$self->_load_header ($path)
1158	or return;	1260	or return;
1159		1261
1160	# for better error messages only, will be overwritten	1262	$self->{load_path} = $path;
1161	$map->path ($path);
1162		1263
1163	$map->load_header ($path)	1264	1
		1265	}
		1266
		1267	sub load_orig {
		1268	my ($self) = @_;
		1269
		1270	$self->load_header_from ($self->load_path)
		1271	}
		1272
		1273	sub load_temp {
		1274	my ($self) = @_;
		1275
		1276	$self->load_header_from ($self->save_path)
		1277	}
		1278
		1279	sub load_header {
		1280	my ($self) = @_;
		1281
		1282	if ($self->load_temp) {
		1283	$self->last_access ((delete $self->{last_access})
		1284	\|\| $cf::RUNTIME); #d#
		1285	# safety
		1286	$self->{instantiate_time} = $cf::RUNTIME
		1287	if $self->{instantiate_time} > $cf::RUNTIME;
		1288	} else {
		1289	$self->load_orig
1164	or return;	1290	or return;
1165		1291
1166	$map->{load_path} = $path;	1292	$self->{load_original} = 1;
		1293	$self->{instantiate_time} = $cf::RUNTIME;
		1294	$self->last_access ($cf::RUNTIME);
		1295	$self->instantiate;
		1296	}
1167		1297
1168	$map	1298	1
1169	}	1299	}
1170		1300
1171	sub find;	1301	sub find;
1172	sub find {	1302	sub find {
1173	my ($path, $origin) = @_;	1303	my ($path, $origin) = @_;
1174		1304
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1305	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1306
1180	cf::lock_wait "map_find:$key";	1307	cf::lock_wait "map_find:$path";
1181		1308
1182	$cf::MAP{$key} \|\| do {	1309	$cf::MAP{$path} \|\| do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1310	my $guard = cf::lock_acquire "map_find:$path";
1184		1311	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	\|\| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1312	or return;
1204		1313
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1314	$map->{last_save} = $cf::RUNTIME;
1217		1315
1218	Coro::cede;	1316	$map->load_header
		1317	or return;
1219		1318
1220	if ($map->should_reset) {	1319	if ($map->should_reset) {
1221	$map->reset;	1320	$map->reset;
1222	undef $guard;	1321	undef $guard;
1223	$map = find $path	1322	$map = find $path
1224	or return;	1323	or return;
1225	}	1324	}
1226		1325
1227	$cf::MAP{$key} = $map	1326	$cf::MAP{$path} = $map
1228	}	1327	}
1229	}	1328	}
1230		1329
1231	sub load {	1330	sub load {
1232	my ($self) = @_;	1331	my ($self) = @_;
1233		1332
1234	my $path = $self->{path};	1333	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1334	my $guard = cf::lock_acquire "map_load:$path";
1236		1335
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1336	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1337
1239	$self->in_memory (cf::MAP_LOADING);	1338	$self->in_memory (cf::MAP_LOADING);
1240		1339
1241	$self->alloc;	1340	$self->alloc;
1242	$self->load_objects ($self->{load_path}, 1)	1341	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1342	or return;
1244		1343
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1345	if delete $self->{load_original};
1247		1346
1248	if (my $uniq = $path->uniq_path) {	1347	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1348	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1349	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1350	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1351	$self->_load_objects ($uniq, 0);
1253	}	1352	}
1254	}	1353	}
1255		1354
1256	Coro::cede;	1355	Coro::cede;
1257		1356
1258	# now do the right thing for maps	1357	# now do the right thing for maps
1259	$self->link_multipart_objects;	1358	$self->link_multipart_objects;
1260		1359
1261	if ($self->{path}->is_style_map) {	1360	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1361	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1362	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1363	$self->update_buttons;
		1364	Coro::cede;
1268	$self->set_darkness_map;	1365	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1366	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1367	unless $self->difficulty;
		1368	Coro::cede;
1271	$self->activate;	1369	$self->activate;
1272	}	1370	}
1273		1371
1274	Coro::cede;
1275
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1372	$self->in_memory (cf::MAP_IN_MEMORY);
		1373	}
		1374
		1375	sub customise_for {
		1376	my ($self, $ob) = @_;
		1377
		1378	return find "~" . $ob->name . "/" . $self->{path}
		1379	if $self->per_player;
		1380
		1381	$self
		1382	}
		1383
		1384	# find and load all maps in the 3x3 area around a map
		1385	sub load_diag {
		1386	my ($map) = @_;
		1387
		1388	my @diag; # diagonal neighbours
		1389
		1390	for (0 .. 3) {
		1391	my $neigh = $map->tile_path ($_)
		1392	or next;
		1393	$neigh = find $neigh, $map
		1394	or next;
		1395	$neigh->load;
		1396
		1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1399	}
		1400
		1401	for (@diag) {
		1402	my $neigh = find @$_
		1403	or next;
		1404	$neigh->load;
		1405	}
1277	}	1406	}
1278		1407
1279	sub find_sync {	1408	sub find_sync {
1280	my ($path, $origin) = @_;	1409	my ($path, $origin) = @_;
1281		1410
1282	cf::sync_job { cf::map::find $path, $origin }	1411	cf::sync_job { find $path, $origin }
1283	}	1412	}
1284		1413
1285	sub do_load_sync {	1414	sub do_load_sync {
1286	my ($map) = @_;	1415	my ($map) = @_;
1287		1416
1288	cf::sync_job { $map->load };	1417	cf::sync_job { $map->load };
1289	}	1418	}
1290		1419
		1420	our %MAP_PREFETCH;
		1421	our $MAP_PREFETCHER = Coro::async {
		1422	while () {
		1423	for my $path (keys %MAP_PREFETCH) {
		1424	my $map = find $path
		1425	or next;
		1426	$map->load;
		1427
		1428	delete $MAP_PREFETCH{$path};
		1429	}
		1430	Coro::schedule;
		1431	}
		1432	};
		1433
		1434	sub find_async {
		1435	my ($path, $origin) = @_;
		1436
		1437	$path = normalise $path, $origin && $origin->{path};
		1438
		1439	if (my $map = $cf::MAP{$path}) {
		1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1441	}
		1442
		1443	$MAP_PREFETCH{$path} = 0;
		1444	$MAP_PREFETCHER->ready;
		1445
		1446	()
		1447	}
		1448
1291	sub save {	1449	sub save {
1292	my ($self) = @_;	1450	my ($self) = @_;
1293		1451
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1452	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1453
1296	$self->{last_save} = $cf::RUNTIME;	1454	$self->{last_save} = $cf::RUNTIME;
1297		1455
1298	return unless $self->dirty;	1456	return unless $self->dirty;
1299		1457
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1458	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1459	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1460
1303	$self->{load_path} = $save;	1461	$self->{load_path} = $save;
1304		1462
1305	return if $self->{deny_save};	1463	return if $self->{deny_save};
1306		1464
1307	local $self->{last_access} = $self->last_access;#d#	1465	local $self->{last_access} = $self->last_access;#d#
1308		1466
		1467	cf::async {
		1468	$_->contr->save for $self->players;
		1469	};
		1470
1309	if ($uniq) {	1471	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1472	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1473	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1474	} else {
1313	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1475	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1314	}	1476	}
1315	}	1477	}
1316		1478
1317	sub swap_out {	1479	sub swap_out {
1318	my ($self) = @_;	1480	my ($self) = @_;
…		…
1332		1494
1333	sub reset_at {	1495	sub reset_at {
1334	my ($self) = @_;	1496	my ($self) = @_;
1335		1497
1336	# TODO: safety, remove and allow resettable per-player maps	1498	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1499	return 1e99 if $self->isa ("ext::map_per_player");
1338	return 1e99 if $self->{deny_reset};	1500	return 1e99 if $self->{deny_reset};
1339		1501
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1342		1504
…		…
1347	my ($self) = @_;	1509	my ($self) = @_;
1348		1510
1349	$self->reset_at <= $cf::RUNTIME	1511	$self->reset_at <= $cf::RUNTIME
1350	}	1512	}
1351		1513
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {	1514	sub rename {
1361	my ($self, $new_path) = @_;	1515	my ($self, $new_path) = @_;
1362		1516
		1517	normalise $new_path;
		1518
1363	$self->unlink_save;	1519	$self->unlink_save;
1364		1520
1365	delete $cf::MAP{$self->path};	1521	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;	1522	$self->{path} = $new_path; $self->path ($self->{path});
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;	1523	$cf::MAP{$self->path} = $self;
1369		1524
1370	$self->save;	1525	$self->save;
1371	}	1526	}
1372		1527
1373	sub reset {	1528	sub reset {
1374	my ($self) = @_;	1529	my ($self) = @_;
1375		1530
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1531	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1532
1378	return if $self->players;	1533	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1534	return if $self->isa ("ext::map_per_player");#d#
1380		1535
1381	warn "resetting map ", $self->path;#d#	1536	warn "resetting map ", $self->path;#d#
1382		1537
1383	delete $cf::MAP{$self->path};	1538	delete $cf::MAP{$self->path};
		1539
		1540	$self->in_memory (cf::MAP_SWAPPED);
		1541	$self->clear;
1384		1542
1385	$_->clear_links_to ($self) for values %cf::MAP;	1543	$_->clear_links_to ($self) for values %cf::MAP;
1386		1544
1387	$self->unlink_save;	1545	$self->unlink_save;
1388	$self->destroy;	1546	$self->destroy;
…		…
1397	$self->reset_timeout (1);	1555	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1556	$self->rename ("{nuke}/" . ($nuke_counter++));
1399	$self->reset; # polite request, might not happen	1557	$self->reset; # polite request, might not happen
1400	}	1558	}
1401		1559
1402	sub customise_for {	1560	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1561
1405	if ($map->per_player) {	1562	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1563	instantiated unique items. May block.
1407	}
1408		1564
1409	$map	1565	=cut
1410	}
1411		1566
1412	sub emergency_save {	1567	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1569	or return;
1414		1570
1415	warn "enter emergency map save\n";	1571	my @paths;
1416		1572
1417	cf::sync_job {	1573	for (@$files) {
1418	warn "begin emergency map save\n";	1574	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1575	next if /\.pst$/;
		1576	next unless /^$PATH_SEP/o;
		1577
		1578	s/\.map$//;
		1579	push @paths, $_;
1420	};	1580	}
1421		1581
1422	warn "end emergency map save\n";	1582	\@paths
1423	}	1583	}
1424		1584
1425	package cf;	1585	package cf;
1426		1586
1427	=back	1587	=back
1428		1588
		1589	=head3 cf::object
		1590
		1591	=cut
		1592
		1593	package cf::object;
		1594
		1595	=over 4
		1596
		1597	=item $ob->inv_recursive
		1598
		1599	Returns the inventory of the object _and_ their inventories, recursively.
		1600
		1601	=cut
		1602
		1603	sub inv_recursive_;
		1604	sub inv_recursive_ {
		1605	map { $_, inv_recursive_ $_->inv } @_
		1606	}
		1607
		1608	sub inv_recursive {
		1609	inv_recursive_ inv $_[0]
		1610	}
		1611
		1612	package cf;
		1613
		1614	=back
1429		1615
1430	=head3 cf::object::player	1616	=head3 cf::object::player
1431		1617
1432	=over 4	1618	=over 4
1433		1619
…		…
1473		1659
1474	=item $player_object->enter_link	1660	=item $player_object->enter_link
1475		1661
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1662	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1663
1478	The player should be reaosnably safe there for short amounts of time. You	1664	The player should be reasonably safe there for short amounts of time. You
1479	I<MUST> call C<leave_link> as soon as possible, though.	1665	I<MUST> call C<leave_link> as soon as possible, though.
1480		1666
		1667	Will never block.
		1668
1481	=item $player_object->leave_link ($map, $x, $y)	1669	=item $player_object->leave_link ($map, $x, $y)
1482		1670
1483	Moves the player out of the specila link map onto the given map. If the	1671	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1672	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1673	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1674	fails, to the emergency map position.
1487		1675
1488	Might block.	1676	Might block.
1489		1677
1490	=cut	1678	=cut
		1679
		1680	sub link_map {
		1681	unless ($LINK_MAP) {
		1682	$LINK_MAP = cf::map::find "{link}"
		1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1684	$LINK_MAP->load;
		1685	}
		1686
		1687	$LINK_MAP
		1688	}
1491		1689
1492	sub cf::object::player::enter_link {	1690	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1691	my ($self) = @_;
1494		1692
1495	$self->deactivate_recursive;	1693	$self->deactivate_recursive;
1496		1694
1497	return if $self->map == $LINK_MAP;	1695	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1696
1499	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1697	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1698	if $self->map;
1501		1699
1502	$self->enter_map ($LINK_MAP, 20, 20);	1700	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);
1503	}	1701	}
1504		1702
1505	sub cf::object::player::leave_link {	1703	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1704	my ($self, $map, $x, $y) = @_;
1507		1705
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1723	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1724	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1725	if $x <=0 && $y <= 0;
1528		1726
1529	$map->load;	1727	$map->load;
		1728	$map->load_diag;
1530		1729
		1730	return unless $self->contr->active;
1531	$self->activate_recursive;	1731	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1732	$self->enter_map ($map, $x, $y);
1533	}	1733	}
1534		1734
1535	cf::player->attach (	1735	cf::player->attach (
…		…
1547	my ($pl) = @_;	1747	my ($pl) = @_;
1548		1748
1549	# try to abort aborted map switching on player login :)	1749	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1750	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1751	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1752	$pl->ob->enter_link;
1554	(async {	1753	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1754	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1755	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1756	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1772	my ($self, $path, $x, $y) = @_;
1574		1773
1575	$self->enter_link;	1774	$self->enter_link;
1576		1775
1577	(async {	1776	(async {
1578	$path = new cf::path $path;
1579
1580	my $map = cf::map::find $path->as_string;	1777	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1778	$map = $map->customise_for ($self) if $map;
1582		1779
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1780	# warn "entering ", $map->path, " at ($x, $y)\n"
1584	# if $map;	1781	# if $map;
1585		1782
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1587		1784
1588	$self->leave_link ($map, $x, $y);	1785	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1786	})->prio (1);
1590	}	1787	}
1591		1788
…		…
1650	$self->deactivate_recursive; # just to be sure	1847	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1848	unless (eval {
1652	prepare_random_map $exit	1849	prepare_random_map $exit
1653	if $exit->slaying eq "/!";	1850	if $exit->slaying eq "/!";
1654		1851
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1854
1658	1;	1855	1;
1659	}) {	1856	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1857	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1858	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1859	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE \| cf::NDI_RED);	1860	cf::NDI_UNIQUE \| cf::NDI_RED);
1664		1861
1665	warn "ERROR in enter_exit: $@";	1862	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1863	$self->leave_link;
1667	}	1864	}
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2196	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2197	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2198
2002	if (exists $CFG{mlockall}) {	2199	if (exists $CFG{mlockall}) {
2003	eval {	2200	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2201	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2202	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2203	};
2007	warn $@ if $@;	2204	warn $@ if $@;
2008	}	2205	}
2009	}	2206	}
…		…
2020	load_extensions;	2217	load_extensions;
2021	Event::loop;	2218	Event::loop;
2022	}	2219	}
2023		2220
2024	#############################################################################	2221	#############################################################################
2025	# initialisation	2222	# initialisation and cleanup
		2223
		2224	# install some emergency cleanup handlers
		2225	BEGIN {
		2226	for my $signal (qw(INT HUP TERM)) {
		2227	Event->signal (
		2228	data => WF_AUTOCANCEL,
		2229	signal => $signal,
		2230	cb => sub {
		2231	cf::cleanup "SIG$signal";
		2232	},
		2233	);
		2234	}
		2235	}
		2236
		2237	sub emergency_save() {
		2238	my $freeze_guard = cf::freeze_mainloop;
		2239
		2240	warn "enter emergency perl save\n";
		2241
		2242	cf::sync_job {
		2243	# use a peculiar iteration method to avoid tripping on perl
		2244	# refcount bugs in for. also avoids problems with players
		2245	# and maps saved/destroyed asynchronously.
		2246	warn "begin emergency player save\n";
		2247	for my $login (keys %cf::PLAYER) {
		2248	my $pl = $cf::PLAYER{$login} or next;
		2249	$pl->valid or next;
		2250	$pl->save;
		2251	}
		2252	warn "end emergency player save\n";
		2253
		2254	warn "begin emergency map save\n";
		2255	for my $path (keys %cf::MAP) {
		2256	my $map = $cf::MAP{$path} or next;
		2257	$map->valid or next;
		2258	$map->save;
		2259	}
		2260	warn "end emergency map save\n";
		2261	};
		2262
		2263	warn "leave emergency perl save\n";
		2264	}
2026		2265
2027	sub reload() {	2266	sub reload() {
2028	# can/must only be called in main	2267	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2268	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2269	warn "can only reload from main coroutine\n";
2031	return;	2270	return;
2032	}	2271	}
2033		2272
2034	warn "reloading...";	2273	warn "reloading...";
2035		2274
		2275	warn "freezing server";
2036	my $guard = freeze_mainloop;	2276	my $guard = freeze_mainloop;
2037	cf::emergency_save;	2277	cf::emergency_save;
2038		2278
		2279	warn "sync database to disk";
		2280	cf::db_sync;
		2281	IO::AIO::flush;
		2282
2039	eval {	2283	eval {
2040	# if anything goes wrong in here, we should simply crash as we already saved	2284	# if anything goes wrong in here, we should simply crash as we already saved
2041		2285
2042	# cancel all watchers	2286	warn "cancel all watchers";
2043	for (Event::all_watchers) {	2287	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2288	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2289	}
2046		2290
2047	# cancel all extension coros	2291	warn "cancel all extension coros";
2048	$_->cancel for values %EXT_CORO;	2292	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2293	%EXT_CORO = ();
2050		2294
		2295	warn "remove commands";
		2296	%COMMAND = ();
		2297
		2298	warn "remove ext commands";
		2299	%EXTCMD = ();
		2300
2051	# unload all extensions	2301	warn "unload/nuke all extensions";
2052	for (@exts) {	2302	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2303	warn "... unloading $pkg";
2054	unload_extension $_;	2304
		2305	if (my $cb = $pkg->can ("unload")) {
		2306	eval {
		2307	$cb->($pkg);
		2308	1
		2309	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2310	}
2056		2311
		2312	warn "... nuking $pkg";
		2313	Symbol::delete_package $pkg;
		2314	}
		2315
2057	# unload all modules loaded from $LIBDIR	2316	warn "unload all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2317	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2319
2061	warn "removing <$k>";	2320	warn "removing <$k>";
2062	delete $INC{$k};	2321	delete $INC{$k};
…		…
2069	}	2328	}
2070		2329
2071	Symbol::delete_package $k;	2330	Symbol::delete_package $k;
2072	}	2331	}
2073		2332
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2333	warn "get rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2334	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2336
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2337	warn "unload cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2338	delete $INC{"cf.pm"};
2087		2339
2088	# don't, removes xs symbols, too,	2340	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2341	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2342	#Symbol::delete_package __PACKAGE__;
2091		2343
2092	# reload cf.pm
2093	warn "reloading cf.pm";	2344	warn "reloading cf.pm";
2094	require cf;	2345	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2347
2097	# load config and database again	2348	warn "load config and database again";
2098	cf::cfg_load;	2349	cf::cfg_load;
2099	cf::db_load;	2350	cf::db_load;
2100		2351
2101	# load extensions
2102	warn "load extensions";	2352	warn "load extensions";
2103	cf::load_extensions;	2353	cf::load_extensions;
2104		2354
2105	# reattach attachments to objects	2355	warn "reattach attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2356	_global_reattach;
		2357	warn "reattach attachments to maps";
		2358	reattach $_ for values %MAP;
2108	};	2359	};
2109		2360
2110	if ($@) {	2361	if ($@) {
2111	warn $@;	2362	warn $@;
2112	warn "error while reloading, exiting.";	2363	warn "error while reloading, exiting.";
2113	exit 1;	2364	exit 1;
2114	}	2365	}
2115		2366
2116	warn "reloaded successfully";	2367	warn "reloaded";
2117	};	2368	};
2118
2119	#############################################################################
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2369
2164	register_command "reload" => sub {	2370	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2371	my ($who, $arg) = @_;
2166		2372
2167	if ($who->flag (FLAG_WIZ)) {	2373	if ($who->flag (FLAG_WIZ)) {
…		…
2177	reentrant => 0,	2383	reentrant => 0,
2178	prio => 0,	2384	prio => 0,
2179	at => $NEXT_TICK \|\| $TICK,	2385	at => $NEXT_TICK \|\| $TICK,
2180	data => WF_AUTOCANCEL,	2386	data => WF_AUTOCANCEL,
2181	cb => sub {	2387	cb => sub {
		2388	$NOW = Event::time;
		2389
2182	cf::server_tick; # one server iteration	2390	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2391	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2392	$NEXT_TICK += $TICK;
		2393
		2394	$WAIT_FOR_TICK->broadcast;
		2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2185		2396
2186	# if we are delayed by four ticks or more, skip them all	2397	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2399
2189	$TICK_WATCHER->at ($NEXT_TICK);	2400	$TICK_WATCHER->at ($NEXT_TICK);

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+Changed lines
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Comparing cf.schmorp.de/server/lib/cf.pm (file contents): Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs. Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC

Diff Legend

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC