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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC

10use Event; 10use Event;
11use Opcode; 11use Opcode;
12use Safe; 12use Safe;
13use Safe::Hole; 13use Safe::Hole;
14 14
15use Coro 3.61 (); 15use Coro 3.64 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::Event;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
24 25
25use JSON::XS 1.4 (); 26use JSON::XS ();
26use BDB (); 27use BDB ();
27use Data::Dumper; 28use Data::Dumper;
28use Digest::MD5; 29use Digest::MD5;
29use Fcntl; 30use Fcntl;
30use YAML::Syck (); 31use YAML::Syck ();
86our %CFG; 87our %CFG;
87 88
88our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 90our $RUNTIME;
90 91
91our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
92our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
93our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
94 95
95# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97 98
271Wait until the given lock is available and then acquires it and returns 272Wait until the given lock is available and then acquires it and returns
272a Coro::guard object. If the guard object gets destroyed (goes out of scope, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
274returned. 275returned.
275 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
276Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
277uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
278 282
279=item $locked = cf::lock_active $string 283=item $locked = cf::lock_active $string
280 284
472Coro::Storable. May, of course, block. Note that the executed sub may 476Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 477never block itself or use any form of Event handling.
474 478
475=cut 479=cut
476 480
477sub _store_scalar {
478 open my $fh, ">", \my $buf
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484}
485
486sub fork_call(&@) { 481sub fork_call(&@) {
487 my ($cb, @args) = @_; 482 my ($cb, @args) = @_;
488 483
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 484 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 485 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 486 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 487
494 if (my $pid = fork) { 488 my @res = Coro::Util::fork_eval {
495 close $fh2;
496
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498 warn "pst<$res>" unless $res =~ /^pst/;
499 $res = Coro::Storable::thaw $res;
500
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals; 489 reset_signals;
508 local $SIG{__WARN__}; 490 &$cb
509 local $SIG{__DIE__}; 491 }, @args;
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515 492
516 eval { 493 wantarray ? @res : $res[-1]
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 }
528} 494}
529 495
530=item $value = cf::db_get $family => $key 496=item $value = cf::db_get $family => $key
531 497
532Returns a single value from the environment database. 498Returns a single value from the environment database.
612 if (1) { 578 if (1) {
613 $md5 = 579 $md5 =
614 join "\x00", 580 join "\x00",
615 $processversion, 581 $processversion,
616 map { 582 map {
617 Coro::cede; 583 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 584 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 585 } 0.. $#$src;
620 586
621 587
622 my $dbmd5 = db_get cache => "$id/md5"; 588 my $dbmd5 = db_get cache => "$id/md5";
1038 }, 1004 },
1039); 1005);
1040 1006
1041sub object_freezer_save { 1007sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1008 my ($filename, $rdata, $objs) = @_;
1009
1010 my $guard = cf::lock_acquire "io";
1043 1011
1044 sync_job { 1012 sync_job {
1045 if (length $$rdata) { 1013 if (length $$rdata) {
1046 warn sprintf "saving %s (%d,%d)\n", 1014 warn sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1015 $filename, length $$rdata, scalar @$objs;
1071 } 1039 }
1072 } else { 1040 } else {
1073 aio_unlink $filename; 1041 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1042 aio_unlink "$filename.pst";
1075 } 1043 }
1076 } 1044 };
1045
1046 undef $guard;
1077} 1047}
1078 1048
1079sub object_freezer_as_string { 1049sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1050 my ($rdata, $objs) = @_;
1081 1051
1086 1056
1087sub object_thawer_load { 1057sub object_thawer_load {
1088 my ($filename) = @_; 1058 my ($filename) = @_;
1089 1059
1090 my ($data, $av); 1060 my ($data, $av);
1061
1062 my $guard = cf::lock_acquire "io";
1091 1063
1092 (aio_load $filename, $data) >= 0 1064 (aio_load $filename, $data) >= 0
1093 or return; 1065 or return;
1094 1066
1095 unless (aio_stat "$filename.pst") { 1067 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1068 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1069 or return;
1070
1071 undef $guard;
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1072 $av = eval { (Storable::thaw $av)->{objs} };
1099 } 1073 }
1100 1074
1101 warn sprintf "loading %s (%d)\n", 1075 warn sprintf "loading %s (%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1076 $filename, length $data, scalar @{$av || []};
1077
1103 return ($data, $av); 1078 ($data, $av)
1104} 1079}
1105 1080
1106=head2 COMMAND CALLBACKS 1081=head2 COMMAND CALLBACKS
1107 1082
1108=over 4 1083=over 4
1181 my ($pl, $buf) = @_; 1156 my ($pl, $buf) = @_;
1182 1157
1183 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1158 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184 1159
1185 if (ref $msg) { 1160 if (ref $msg) {
1161 my ($type, $reply, @payload) =
1162 "ARRAY" eq ref $msg
1163 ? @$msg
1164 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1165
1166 my @reply;
1167
1186 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1168 if (my $cb = $EXTCMD{$type}) {
1187 if (my %reply = $cb->($pl, $msg)) { 1169 @reply = $cb->($pl, @payload);
1188 $pl->ext_reply ($msg->{msgid}, %reply);
1189 }
1190 } 1170 }
1171
1172 $pl->ext_reply ($reply, @reply)
1173 if $reply;
1174
1191 } else { 1175 } else {
1192 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1176 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193 } 1177 }
1194 1178
1195 cf::override; 1179 cf::override;
1329 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1313 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1314 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1315 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332 aio_unlink +(playerdir $login) . "/$login.pl"; 1316 aio_unlink +(playerdir $login) . "/$login.pl";
1333 1317
1334 my $pl = load_pl path $login 1318 my $f = new_from_file cf::object::thawer path $login
1335 or return; 1319 or return;
1320
1321 $f->next;
1322 my $pl = cf::player::load_pl $f
1323 or return;
1324 local $cf::PLAYER_LOADING{$login} = $pl;
1325 $f->resolve_delayed_derefs;
1336 $cf::PLAYER{$login} = $pl 1326 $cf::PLAYER{$login} = $pl
1337 } 1327 }
1338 } 1328 }
1339} 1329}
1340 1330
1350 1340
1351 aio_mkdir playerdir $pl, 0770; 1341 aio_mkdir playerdir $pl, 0770;
1352 $pl->{last_save} = $cf::RUNTIME; 1342 $pl->{last_save} = $cf::RUNTIME;
1353 1343
1354 $pl->save_pl ($path); 1344 $pl->save_pl ($path);
1355 Coro::cede; 1345 cf::cede_to_tick;
1356} 1346}
1357 1347
1358sub new($) { 1348sub new($) {
1359 my ($login) = @_; 1349 my ($login) = @_;
1360 1350
1364 $self->{deny_save} = 1; 1354 $self->{deny_save} = 1;
1365 1355
1366 $cf::PLAYER{$login} = $self; 1356 $cf::PLAYER{$login} = $self;
1367 1357
1368 $self 1358 $self
1359}
1360
1361=item $player->send_msg ($channel, $msg, $color, [extra...])
1362
1363=cut
1364
1365sub send_msg {
1366 my $ns = shift->ns
1367 or return;
1368 $ns->send_msg (@_);
1369} 1369}
1370 1370
1371=item $pl->quit_character 1371=item $pl->quit_character
1372 1372
1373Nukes the player without looking back. If logged in, the connection will 1373Nukes the player without looking back. If logged in, the connection will
1428 or return []; 1428 or return [];
1429 1429
1430 my @logins; 1430 my @logins;
1431 1431
1432 for my $login (@$dirs) { 1432 for my $login (@$dirs) {
1433 my $path = path $login;
1434
1435 # a .pst is a dead give-away for a valid player
1436 unless (-e "$path.pst") {
1433 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1437 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434 aio_read $fh, 0, 512, my $buf, 0 or next; 1438 aio_read $fh, 0, 512, my $buf, 0 or next;
1435 $buf !~ /^password -------------$/m or next; # official not-valid tag 1439 $buf !~ /^password -------------$/m or next; # official not-valid tag
1440 }
1436 1441
1437 utf8::decode $login; 1442 utf8::decode $login;
1438 push @logins, $login; 1443 push @logins, $login;
1439 } 1444 }
1440 1445
1478sub expand_cfpod { 1483sub expand_cfpod {
1479 ((my $self), (local $_)) = @_; 1484 ((my $self), (local $_)) = @_;
1480 1485
1481 # escape & and < 1486 # escape & and <
1482 s/&/&amp;/g; 1487 s/&/&amp;/g;
1483 s/(?<![BIUGH])</&lt;/g; 1488 s/(?<![BIUGHT])</&lt;/g;
1484 1489
1485 # this is buggy, it needs to properly take care of nested <'s 1490 # this is buggy, it needs to properly take care of nested <'s
1486 1491
1487 1 while 1492 1 while
1488 # replace B<>, I<>, U<> etc. 1493 # replace B<>, I<>, U<> etc.
1489 s/B<([^\>]*)>/<b>$1<\/b>/ 1494 s/B<([^\>]*)>/<b>$1<\/b>/
1490 || s/I<([^\>]*)>/<i>$1<\/i>/ 1495 || s/I<([^\>]*)>/<i>$1<\/i>/
1491 || s/U<([^\>]*)>/<u>$1<\/u>/ 1496 || s/U<([^\>]*)>/<u>$1<\/u>/
1497 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1492 # replace G<male|female> tags 1498 # replace G<male|female> tags
1493 || s{G<([^>|]*)\|([^>]*)>}{ 1499 || s{G<([^>|]*)\|([^>]*)>}{
1494 $self->gender ? $2 : $1 1500 $self->gender ? $2 : $1
1495 }ge 1501 }ge
1496 # replace H<hint text> 1502 # replace H<hint text>
1517sub hintmode { 1523sub hintmode {
1518 $_[0]{hintmode} = $_[1] if @_ > 1; 1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1519 $_[0]{hintmode} 1525 $_[0]{hintmode}
1520} 1526}
1521 1527
1522=item $player->ext_reply ($msgid, %msg) 1528=item $player->ext_reply ($msgid, @msg)
1523 1529
1524Sends an ext reply to the player. 1530Sends an ext reply to the player.
1525 1531
1526=cut 1532=cut
1527 1533
1528sub ext_reply($$%) { 1534sub ext_reply($$@) {
1529 my ($self, $id, %msg) = @_; 1535 my ($self, $id, @msg) = @_;
1530 1536
1531 $msg{msgid} = $id; 1537 $self->ns->ext_reply ($id, @msg)
1532 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533} 1538}
1534 1539
1535=item $player->ext_event ($type, %msg) 1540=item $player->ext_msg ($type, @msg)
1536 1541
1537Sends an ext event to the client. 1542Sends an ext event to the client.
1538 1543
1539=cut 1544=cut
1540 1545
1541sub ext_event($$%) { 1546sub ext_msg($$@) {
1542 my ($self, $type, %msg) = @_; 1547 my ($self, $type, @msg) = @_;
1543 1548
1544 $self->ns->ext_event ($type, %msg); 1549 $self->ns->ext_msg ($type, @msg);
1545} 1550}
1546 1551
1547=head3 cf::region 1552=head3 cf::region
1548 1553
1549=over 4 1554=over 4
1765 1770
1766sub load_header_from($) { 1771sub load_header_from($) {
1767 my ($self, $path) = @_; 1772 my ($self, $path) = @_;
1768 1773
1769 utf8::encode $path; 1774 utf8::encode $path;
1770 #aio_open $path, O_RDONLY, 0 1775 my $f = new_from_file cf::object::thawer $path
1771 # or return;
1772
1773 $self->_load_header ($path)
1774 or return; 1776 or return;
1777
1778 $self->_load_header ($f)
1779 or return;
1780
1781 local $MAP_LOADING{$self->{path}} = $self;
1782 $f->resolve_delayed_derefs;
1775 1783
1776 $self->{load_path} = $path; 1784 $self->{load_path} = $path;
1777 1785
1778 1 1786 1
1779} 1787}
1868 local $self->{deny_reset} = 1; # loading can take a long time 1876 local $self->{deny_reset} = 1; # loading can take a long time
1869 1877
1870 my $path = $self->{path}; 1878 my $path = $self->{path};
1871 1879
1872 { 1880 {
1881 my $guard1 = cf::lock_acquire "map_data:$path";
1873 my $guard = cf::lock_acquire "map_load:$path"; 1882 my $guard2 = cf::lock_acquire "map_load:$path";
1874 1883
1875 return if $self->in_memory != cf::MAP_SWAPPED; 1884 return if $self->in_memory != cf::MAP_SWAPPED;
1876 1885
1877 $self->in_memory (cf::MAP_LOADING); 1886 $self->in_memory (cf::MAP_LOADING);
1878 1887
1879 $self->alloc; 1888 $self->alloc;
1880 1889
1881 $self->pre_load; 1890 $self->pre_load;
1882 Coro::cede; 1891 cf::cede_to_tick;
1883 1892
1893 my $f = new_from_file cf::object::thawer $self->{load_path};
1894 $f->skip_block;
1884 $self->_load_objects ($self->{load_path}, 1) 1895 $self->_load_objects ($f)
1885 or return; 1896 or return;
1886 1897
1887 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1888 if delete $self->{load_original}; 1899 if delete $self->{load_original};
1889 1900
1890 if (my $uniq = $self->uniq_path) { 1901 if (my $uniq = $self->uniq_path) {
1891 utf8::encode $uniq; 1902 utf8::encode $uniq;
1892 if (aio_open $uniq, O_RDONLY, 0) { 1903 unless (aio_stat $uniq) {
1904 if (my $f = new_from_file cf::object::thawer $uniq) {
1893 $self->clear_unique_items; 1905 $self->clear_unique_items;
1894 $self->_load_objects ($uniq, 0); 1906 $self->_load_objects ($f);
1907 $f->resolve_delayed_derefs;
1908 }
1895 } 1909 }
1896 } 1910 }
1897 1911
1898 Coro::cede; 1912 $f->resolve_delayed_derefs;
1913
1914 cf::cede_to_tick;
1899 # now do the right thing for maps 1915 # now do the right thing for maps
1900 $self->link_multipart_objects; 1916 $self->link_multipart_objects;
1901 $self->difficulty ($self->estimate_difficulty) 1917 $self->difficulty ($self->estimate_difficulty)
1902 unless $self->difficulty; 1918 unless $self->difficulty;
1903 Coro::cede; 1919 cf::cede_to_tick;
1904 1920
1905 unless ($self->{deny_activate}) { 1921 unless ($self->{deny_activate}) {
1906 $self->decay_objects; 1922 $self->decay_objects;
1907 $self->fix_auto_apply; 1923 $self->fix_auto_apply;
1908 $self->update_buttons; 1924 $self->update_buttons;
1909 Coro::cede; 1925 cf::cede_to_tick;
1910 $self->set_darkness_map; 1926 $self->set_darkness_map;
1911 Coro::cede; 1927 cf::cede_to_tick;
1912 $self->activate; 1928 $self->activate;
1913 } 1929 }
1930
1931 $self->{last_save} = $cf::RUNTIME;
1932 $self->last_access ($cf::RUNTIME);
1914 1933
1915 $self->in_memory (cf::MAP_IN_MEMORY); 1934 $self->in_memory (cf::MAP_IN_MEMORY);
1916 } 1935 }
1917 1936
1918 $self->post_load; 1937 $self->post_load;
1929 1948
1930 $self 1949 $self
1931} 1950}
1932 1951
1933# find and load all maps in the 3x3 area around a map 1952# find and load all maps in the 3x3 area around a map
1934sub load_diag { 1953sub load_neighbours {
1935 my ($map) = @_; 1954 my ($map) = @_;
1936 1955
1937 my @diag; # diagonal neighbours 1956 my @neigh; # diagonal neighbours
1938 1957
1939 for (0 .. 3) { 1958 for (0 .. 3) {
1940 my $neigh = $map->tile_path ($_) 1959 my $neigh = $map->tile_path ($_)
1941 or next; 1960 or next;
1942 $neigh = find $neigh, $map 1961 $neigh = find $neigh, $map
1943 or next; 1962 or next;
1944 $neigh->load; 1963 $neigh->load;
1945 1964
1965 push @neigh,
1946 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1966 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1947 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1967 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1948 } 1968 }
1949 1969
1950 for (@diag) { 1970 for (grep defined $_->[0], @neigh) {
1971 my ($path, $origin) = @$_;
1951 my $neigh = find @$_ 1972 my $neigh = find $path, $origin
1952 or next; 1973 or next;
1953 $neigh->load; 1974 $neigh->load;
1954 } 1975 }
1955} 1976}
1956 1977
1961} 1982}
1962 1983
1963sub do_load_sync { 1984sub do_load_sync {
1964 my ($map) = @_; 1985 my ($map) = @_;
1965 1986
1987 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1988 if $Coro::current == $Coro::main;
1989
1966 cf::sync_job { $map->load }; 1990 cf::sync_job { $map->load };
1967} 1991}
1968 1992
1969our %MAP_PREFETCH; 1993our %MAP_PREFETCH;
1970our $MAP_PREFETCHER = undef; 1994our $MAP_PREFETCHER = undef;
1971 1995
1972sub find_async { 1996sub find_async {
1973 my ($path, $origin) = @_; 1997 my ($path, $origin, $load) = @_;
1974 1998
1975 $path = normalise $path, $origin && $origin->{path}; 1999 $path = normalise $path, $origin && $origin->{path};
1976 2000
1977 if (my $map = $cf::MAP{$path}) { 2001 if (my $map = $cf::MAP{$path}) {
1978 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2002 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1979 } 2003 }
1980 2004
1981 undef $MAP_PREFETCH{$path}; 2005 $MAP_PREFETCH{$path} |= $load;
2006
1982 $MAP_PREFETCHER ||= cf::async { 2007 $MAP_PREFETCHER ||= cf::async {
1983 while (%MAP_PREFETCH) { 2008 while (%MAP_PREFETCH) {
1984 for my $path (keys %MAP_PREFETCH) { 2009 while (my ($k, $v) = each %MAP_PREFETCH) {
1985 if (my $map = find $path) { 2010 if (my $map = find $k) {
1986 $map->load; 2011 $map->load if $v;
1987 } 2012 }
1988 2013
1989 delete $MAP_PREFETCH{$path}; 2014 delete $MAP_PREFETCH{$k};
1990 } 2015 }
1991 } 2016 }
1992 undef $MAP_PREFETCHER; 2017 undef $MAP_PREFETCHER;
1993 }; 2018 };
1994 $MAP_PREFETCHER->prio (6); 2019 $MAP_PREFETCHER->prio (6);
1997} 2022}
1998 2023
1999sub save { 2024sub save {
2000 my ($self) = @_; 2025 my ($self) = @_;
2001 2026
2002 my $lock = cf::lock_acquire "map_data:" . $self->path; 2027 my $lock = cf::lock_acquire "map_data:$self->{path}";
2003 2028
2004 $self->{last_save} = $cf::RUNTIME; 2029 $self->{last_save} = $cf::RUNTIME;
2005 2030
2006 return unless $self->dirty; 2031 return unless $self->dirty;
2007 2032
2030 my ($self) = @_; 2055 my ($self) = @_;
2031 2056
2032 # save first because save cedes 2057 # save first because save cedes
2033 $self->save; 2058 $self->save;
2034 2059
2035 my $lock = cf::lock_acquire "map_data:" . $self->path; 2060 my $lock = cf::lock_acquire "map_data:$self->{path}";
2036 2061
2037 return if $self->players; 2062 return if $self->players;
2038 return if $self->in_memory != cf::MAP_IN_MEMORY; 2063 return if $self->in_memory != cf::MAP_IN_MEMORY;
2039 return if $self->{deny_save}; 2064 return if $self->{deny_save};
2040 2065
2092my $nuke_counter = "aaaa"; 2117my $nuke_counter = "aaaa";
2093 2118
2094sub nuke { 2119sub nuke {
2095 my ($self) = @_; 2120 my ($self) = @_;
2096 2121
2122 {
2123 my $lock = cf::lock_acquire "map_data:$self->{path}";
2124
2097 delete $cf::MAP{$self->path}; 2125 delete $cf::MAP{$self->path};
2098 2126
2099 $self->unlink_save; 2127 $self->unlink_save;
2100 2128
2101 bless $self, "cf::map"; 2129 bless $self, "cf::map";
2102 delete $self->{deny_reset}; 2130 delete $self->{deny_reset};
2103 $self->{deny_save} = 1; 2131 $self->{deny_save} = 1;
2104 $self->reset_timeout (1); 2132 $self->reset_timeout (1);
2105 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2133 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106 2134
2107 $cf::MAP{$self->path} = $self; 2135 $cf::MAP{$self->path} = $self;
2136 }
2108 2137
2109 $self->reset; # polite request, might not happen 2138 $self->reset; # polite request, might not happen
2110} 2139}
2111 2140
2112=item $maps = cf::map::tmp_maps 2141=item $maps = cf::map::tmp_maps
2188 2217
2189sub inv_recursive { 2218sub inv_recursive {
2190 inv_recursive_ inv $_[0] 2219 inv_recursive_ inv $_[0]
2191} 2220}
2192 2221
2222=item $ref = $ob->ref
2223
2224creates and returns a persistent reference to an objetc that can be stored as a string.
2225
2226=item $ob = cf::object::deref ($refstring)
2227
2228returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229even if the object actually exists. May block.
2230
2231=cut
2232
2233sub deref {
2234 my ($ref) = @_;
2235
2236 # temporary compatibility#TODO#remove
2237 $ref =~ s{^<}{player/<};
2238
2239 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2240 my ($uuid, $name) = ($1, $2);
2241 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242 or return;
2243 $pl->ob->uuid eq $uuid
2244 or return;
2245
2246 $pl->ob
2247 } else {
2248 warn "$ref: cannot resolve object reference\n";
2249 undef
2250 }
2251}
2252
2193package cf; 2253package cf;
2194 2254
2195=back 2255=back
2196 2256
2197=head3 cf::object::player 2257=head3 cf::object::player
2219 2279
2220 } else { 2280 } else {
2221 my $pl = $self->contr; 2281 my $pl = $self->contr;
2222 2282
2223 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2283 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224 my $diag = $pl->{npc_dialog}; 2284 my $dialog = $pl->{npc_dialog};
2225 $diag->{pl}->ext_reply ( 2285 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226 $diag->{id},
2227 msgtype => "reply",
2228 msg => $diag->{pl}->expand_cfpod ($msg),
2229 add_topics => []
2230 );
2231 2286
2232 } else { 2287 } else {
2233 $msg = $npc->name . " says: $msg" if $npc; 2288 $msg = $npc->name . " says: $msg" if $npc;
2234 $self->message ($msg, $flags); 2289 $self->message ($msg, $flags);
2235 } 2290 }
2236 } 2291 }
2292}
2293
2294=item $object->send_msg ($channel, $msg, $color, [extra...])
2295
2296=cut
2297
2298sub cf::object::send_msg {
2299 my $pl = shift->contr
2300 or return;
2301 $pl->send_msg (@_);
2237} 2302}
2238 2303
2239=item $player_object->may ("access") 2304=item $player_object->may ("access")
2240 2305
2241Returns wether the given player is authorized to access resource "access" 2306Returns wether the given player is authorized to access resource "access"
2320 # use -1 or undef as default coordinates, not 0, 0 2385 # use -1 or undef as default coordinates, not 0, 0
2321 ($x, $y) = ($map->enter_x, $map->enter_y) 2386 ($x, $y) = ($map->enter_x, $map->enter_y)
2322 if $x <=0 && $y <= 0; 2387 if $x <=0 && $y <= 0;
2323 2388
2324 $map->load; 2389 $map->load;
2325 $map->load_diag; 2390 $map->load_neighbours;
2326 2391
2327 return unless $self->contr->active; 2392 return unless $self->contr->active;
2328 $self->activate_recursive; 2393 $self->activate_recursive;
2329 2394
2330 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2395 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2501the message, with C<log> being the default. If C<$color> is negative, suppress 2566the message, with C<log> being the default. If C<$color> is negative, suppress
2502the message unless the client supports the msg packet. 2567the message unless the client supports the msg packet.
2503 2568
2504=cut 2569=cut
2505 2570
2571our %CHANNEL = (
2572 "c/identify" => {
2573 id => "identify",
2574 title => "Identify",
2575 reply => undef,
2576 tooltip => "Items recently identified",
2577 },
2578 "c/examine" => {
2579 id => "examine",
2580 title => "Examine",
2581 reply => undef,
2582 tooltip => "Signs and other items you examined",
2583 },
2584);
2585
2506sub cf::client::send_msg { 2586sub cf::client::send_msg {
2507 my ($self, $channel, $msg, $color, @extra) = @_; 2587 my ($self, $channel, $msg, $color, @extra) = @_;
2508 2588
2509 $msg = $self->pl->expand_cfpod ($msg); 2589 $msg = $self->pl->expand_cfpod ($msg);
2510 2590
2511 $color &= ~cf::NDI_UNIQUE; # just in case... 2591 $color &= cf::NDI_CLIENT_MASK; # just in case...
2592
2593 # check predefined channels, for the benefit of C
2594 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2512 2595
2513 if (ref $channel) { 2596 if (ref $channel) {
2514 # send meta info to client, if not yet sent 2597 # send meta info to client, if not yet sent
2515 unless (exists $self->{channel}{$channel->{id}}) { 2598 unless (exists $self->{channel}{$channel->{id}}) {
2516 $self->{channel}{$channel->{id}} = $channel; 2599 $self->{channel}{$channel->{id}} = $channel;
2517 $self->ext_event (channel_info => %$channel); 2600 $self->ext_msg (channel_info => $channel)
2601 if $self->can_msg;
2518 } 2602 }
2519 2603
2520 $channel = $channel->{id}; 2604 $channel = $channel->{id};
2521 } 2605 }
2522 2606
2523 return unless @extra || length $msg; 2607 return unless @extra || length $msg;
2524 2608
2525 if ($self->can_msg) { 2609 if ($self->can_msg) {
2610 # default colour, mask it out
2611 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612 if $color & cf::NDI_DEF;
2613
2526 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra])); 2614 $self->send_packet ("msg " . $self->{json_coder}->encode (
2615 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2527 } else { 2616 } else {
2528 # replace some tags by gcfclient-compatible ones
2529 for ($msg) {
2530 1 while
2531 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536 }
2537
2538 if ($color >= 0) { 2617 if ($color >= 0) {
2618 # replace some tags by gcfclient-compatible ones
2619 for ($msg) {
2620 1 while
2621 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2622 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2623 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2624 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2625 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2626 }
2627
2628 $color &= cf::NDI_COLOR_MASK;
2629
2630 utf8::encode $msg;
2631
2539 if (0 && $msg =~ /\[/) { 2632 if (0 && $msg =~ /\[/) {
2633 # COMMAND/INFO
2540 $self->send_packet ("drawextinfo $color 4 0 $msg") 2634 $self->send_packet ("drawextinfo $color 10 8 $msg")
2541 } else { 2635 } else {
2542 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 2636 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543 $self->send_packet ("drawinfo $color $msg") 2637 $self->send_packet ("drawinfo $color $msg")
2544 } 2638 }
2545 } 2639 }
2546 } 2640 }
2547} 2641}
2548 2642
2549=item $client->ext_event ($type, %msg) 2643=item $client->ext_msg ($type, @msg)
2550 2644
2551Sends an ext event to the client. 2645Sends an ext event to the client.
2552 2646
2553=cut 2647=cut
2554 2648
2555sub cf::client::ext_event($$%) { 2649sub cf::client::ext_msg($$@) {
2556 my ($self, $type, %msg) = @_; 2650 my ($self, $type, @msg) = @_;
2557 2651
2558 return unless $self->extcmd; 2652 if ($self->extcmd == 2) {
2559 2653 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654 } elsif ($self->extcmd == 1) { # TODO: remove
2560 $msg{msgtype} = "event_$type"; 2655 push @msg, msgtype => "event_$type";
2561 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 2656 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657 }
2658}
2659
2660=item $client->ext_reply ($msgid, @msg)
2661
2662Sends an ext reply to the client.
2663
2664=cut
2665
2666sub cf::client::ext_reply($$@) {
2667 my ($self, $id, @msg) = @_;
2668
2669 if ($self->extcmd == 2) {
2670 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671 } elsif ($self->extcmd == 1) {
2672 #TODO: version 1, remove
2673 unshift @msg, msgtype => "reply", msgid => $id;
2674 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675 }
2562} 2676}
2563 2677
2564=item $success = $client->query ($flags, "text", \&cb) 2678=item $success = $client->query ($flags, "text", \&cb)
2565 2679
2566Queues a query to the client, calling the given callback with 2680Queues a query to the client, calling the given callback with
2621 my ($ns, $buf) = @_; 2735 my ($ns, $buf) = @_;
2622 2736
2623 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 2737 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624 2738
2625 if (ref $msg) { 2739 if (ref $msg) {
2740 my ($type, $reply, @payload) =
2741 "ARRAY" eq ref $msg
2742 ? @$msg
2743 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2744
2745 my @reply;
2746
2626 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 2747 if (my $cb = $EXTICMD{$type}) {
2627 if (my %reply = $cb->($ns, $msg)) { 2748 @reply = $cb->($ns, @payload);
2628 $reply{msgid} = $msg->{msgid};
2629 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630 }
2631 } 2749 }
2750
2751 $ns->ext_reply ($reply, @reply)
2752 if $reply;
2753
2632 } else { 2754 } else {
2633 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 2755 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634 } 2756 }
2635 2757
2636 cf::override; 2758 cf::override;
2683our $safe = new Safe "safe"; 2805our $safe = new Safe "safe";
2684our $safe_hole = new Safe::Hole; 2806our $safe_hole = new Safe::Hole;
2685 2807
2686$SIG{FPE} = 'IGNORE'; 2808$SIG{FPE} = 'IGNORE';
2687 2809
2688$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2810$safe->permit_only (Opcode::opset qw(
2811 :base_core :base_mem :base_orig :base_math
2812 grepstart grepwhile mapstart mapwhile
2813 sort time
2814));
2689 2815
2690# here we export the classes and methods available to script code 2816# here we export the classes and methods available to script code
2691 2817
2692=pod 2818=pod
2693 2819
2694The following functions and methods are available within a safe environment: 2820The following functions and methods are available within a safe environment:
2695 2821
2696 cf::object 2822 cf::object
2697 contr pay_amount pay_player map x y force_find force_add 2823 contr pay_amount pay_player map x y force_find force_add
2698 insert remove 2824 insert remove name archname title slaying race decrease_ob_nr
2699 2825
2700 cf::object::player 2826 cf::object::player
2701 player 2827 player
2702 2828
2703 cf::player 2829 cf::player
2708 2834
2709=cut 2835=cut
2710 2836
2711for ( 2837for (
2712 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 2838 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839 insert remove inv name archname title slaying race
2713 insert remove)], 2840 decrease_ob_nr)],
2714 ["cf::object::player" => qw(player)], 2841 ["cf::object::player" => qw(player)],
2715 ["cf::player" => qw(peaceful)], 2842 ["cf::player" => qw(peaceful)],
2716 ["cf::map" => qw(trigger)], 2843 ["cf::map" => qw(trigger)],
2717) { 2844) {
2718 no strict 'refs'; 2845 no strict 'refs';
2794# the server's init and main functions 2921# the server's init and main functions
2795 2922
2796sub load_facedata($) { 2923sub load_facedata($) {
2797 my ($path) = @_; 2924 my ($path) = @_;
2798 2925
2926 # HACK to clear player env face cache, we need some signal framework
2927 # for this (global event?)
2928 %ext::player_env::MUSIC_FACE_CACHE = ();
2929
2930 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2931
2799 warn "loading facedata from $path\n"; 2932 warn "loading facedata from $path\n";
2800 2933
2801 my $facedata; 2934 my $facedata;
2802 0 < aio_load $path, $facedata 2935 0 < aio_load $path, $facedata
2803 or die "$path: $!"; 2936 or die "$path: $!";
2804 2937
2805 $facedata = Coro::Storable::thaw $facedata; 2938 $facedata = Coro::Storable::thaw $facedata;
2806 2939
2807 $facedata->{version} == 2 2940 $facedata->{version} == 2
2808 or cf::cleanup "$path: version mismatch, cannot proceed."; 2941 or cf::cleanup "$path: version mismatch, cannot proceed.";
2942
2943 # patch in the exptable
2944 $facedata->{resource}{"res/exp_table"} = {
2945 type => FT_RSRC,
2946 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2947 };
2948 cf::cede_to_tick;
2809 2949
2810 { 2950 {
2811 my $faces = $facedata->{faceinfo}; 2951 my $faces = $facedata->{faceinfo};
2812 2952
2813 while (my ($face, $info) = each %$faces) { 2953 while (my ($face, $info) = each %$faces) {
2814 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2954 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2815 cf::face::set_visibility $idx, $info->{visibility}; 2955 cf::face::set_visibility $idx, $info->{visibility};
2816 cf::face::set_magicmap $idx, $info->{magicmap}; 2956 cf::face::set_magicmap $idx, $info->{magicmap};
2817 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2957 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2818 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2958 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2819 2959
2820 cf::cede_to_tick; 2960 cf::cede_to_tick;
2821 } 2961 }
2822 2962
2823 while (my ($face, $info) = each %$faces) { 2963 while (my ($face, $info) = each %$faces) {
2848 2988
2849 { 2989 {
2850 # TODO: for gcfclient pleasure, we should give resources 2990 # TODO: for gcfclient pleasure, we should give resources
2851 # that gcfclient doesn't grok a >10000 face index. 2991 # that gcfclient doesn't grok a >10000 face index.
2852 my $res = $facedata->{resource}; 2992 my $res = $facedata->{resource};
2853 my $enc = JSON::XS->new->utf8->canonical; 2993
2994 my $soundconf = delete $res->{"res/sound.conf"};
2854 2995
2855 while (my ($name, $info) = each %$res) { 2996 while (my ($name, $info) = each %$res) {
2856 my $meta = $enc->encode ({
2857 name => $name,
2858 type => $info->{type},
2859 copyright => $info->{copyright}, #TODO#
2860 });
2861
2862 my $idx = (cf::face::find $name) || cf::face::alloc $name; 2997 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998 my $data;
2863 2999
2864 if ($name =~ /\.jpg$/) { 3000 if ($info->{type} & 1) {
2865 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack 3001 # prepend meta info
2866 cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack 3002
3003 my $meta = $enc->encode ({
3004 name => $name,
3005 %{ $info->{meta} || {} },
3006 });
3007
3008 $data = pack "(w/a*)*", $meta, $info->{data};
2867 } else { 3009 } else {
2868 my $data = pack "(w/a*)*", $meta, $info->{data}; 3010 $data = $info->{data};
2869 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871 cf::face::set_type $idx, 1;
2872 cf::face::set_data $idx, 0, $data, $chk;
2873 } 3011 }
2874 3012
3013 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014 cf::face::set_type $idx, $info->{type};
3015
2875 cf::cede_to_tick; 3016 cf::cede_to_tick;
2876 } 3017 }
3018
3019 if ($soundconf) {
3020 $soundconf = $enc->decode (delete $soundconf->{data});
3021
3022 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023 my $sound = $soundconf->{compat}[$_]
3024 or next;
3025
3026 my $face = cf::face::find "sound/$sound->[1]";
3027 cf::sound::set $sound->[0] => $face;
3028 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029 }
3030
3031 while (my ($k, $v) = each %{$soundconf->{event}}) {
3032 my $face = cf::face::find "sound/$v";
3033 cf::sound::set $k => $face;
3034 }
3035 }
2877 } 3036 }
2878 3037
2879 1 3038 1
2880} 3039}
2881 3040
3041register_exticmd fx_want => sub {
3042 my ($ns, $want) = @_;
3043
3044 while (my ($k, $v) = each %$want) {
3045 $ns->fx_want ($k, $v);
3046 }
3047};
3048
2882sub reload_regions { 3049sub reload_regions {
3050 # HACK to clear player env face cache, we need some signal framework
3051 # for this (global event?)
3052 %ext::player_env::MUSIC_FACE_CACHE = ();
3053
2883 load_resource_file "$MAPDIR/regions" 3054 load_resource_file "$MAPDIR/regions"
2884 or die "unable to load regions file\n"; 3055 or die "unable to load regions file\n";
2885 3056
2886 for (cf::region::list) { 3057 for (cf::region::list) {
2887 $_->{match} = qr/$_->{match}/ 3058 $_->{match} = qr/$_->{match}/
2923 3094
2924sub init { 3095sub init {
2925 reload_resources; 3096 reload_resources;
2926} 3097}
2927 3098
2928sub cfg_load { 3099sub reload_config {
2929 open my $fh, "<:utf8", "$CONFDIR/config" 3100 open my $fh, "<:utf8", "$CONFDIR/config"
2930 or return; 3101 or return;
2931 3102
2932 local $/; 3103 local $/;
2933 *CFG = YAML::Syck::Load <$fh>; 3104 *CFG = YAML::Syck::Load <$fh>;
2953 (async { 3124 (async {
2954 Event::one_event; 3125 Event::one_event;
2955 })->prio (Coro::PRIO_MAX); 3126 })->prio (Coro::PRIO_MAX);
2956 }; 3127 };
2957 3128
2958 cfg_load; 3129 reload_config;
2959 db_init; 3130 db_init;
2960 load_extensions; 3131 load_extensions;
2961 3132
2962 $TICK_WATCHER->start; 3133 $TICK_WATCHER->start;
2963 Event::loop; 3134 Event::loop;
3156 warn "reloading cf.pm"; 3327 warn "reloading cf.pm";
3157 require cf; 3328 require cf;
3158 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3329 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3159 3330
3160 warn "loading config and database again"; 3331 warn "loading config and database again";
3161 cf::cfg_load; 3332 cf::reload_config;
3162 3333
3163 warn "loading extensions"; 3334 warn "loading extensions";
3164 cf::load_extensions; 3335 cf::load_extensions;
3165 3336
3166 warn "reattaching attachments to objects/players"; 3337 warn "reattaching attachments to objects/players";
3259 or die; 3430 or die;
3260 3431
3261 $map->width (50); 3432 $map->width (50);
3262 $map->height (50); 3433 $map->height (50);
3263 $map->alloc; 3434 $map->alloc;
3264 $map->_load_objects ("/tmp/x.map", 1); 3435 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3265 my $t = Event::time - $t; 3436 my $t = Event::time - $t;
3266 3437
3267 #next unless $t < 0.0013;#d# 3438 #next unless $t < 0.0013;#d#
3268 if ($t < $min) { 3439 if ($t < $min) {
3269 $min = $t; 3440 $min = $t;

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