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package cf; |
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use utf8; |
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use strict; |
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1.1 |
use Symbol; |
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use List::Util; |
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1.6 |
use Storable; |
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use Opcode; |
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use Safe; |
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use Safe::Hole; |
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use Coro 3.3; |
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use Coro::Event; |
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use Coro::Timer; |
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use Coro::Signal; |
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use Coro::Semaphore; |
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use Coro::AIO; |
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use Digest::MD5; |
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use Fcntl; |
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use IO::AIO 2.31 (); |
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use YAML::Syck (); |
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use Time::HiRes; |
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use Event; $Event::Eval = 1; # no idea why this is required, but it is |
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# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
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$YAML::Syck::ImplicitUnicode = 1; |
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$Coro::main->prio (2); # run main coroutine ("the server") with very high priority |
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sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
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our %COMMAND = (); |
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our %COMMAND_TIME = (); |
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our %EXTCMD = (); |
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1.1 |
our @EVENT; |
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our $LIBDIR = datadir . "/ext"; |
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1.35 |
our $TICK = MAX_TIME * 1e-6; |
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our $TICK_WATCHER; |
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our $NEXT_TICK; |
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our $NOW; |
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our %CFG; |
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our $UPTIME; $UPTIME ||= time; |
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our $RUNTIME; |
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our %MAP; # all maps |
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our $LINK_MAP; # the special {link} map |
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our $FREEZE; |
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our $RANDOM_MAPS = cf::localdir . "/random"; |
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our %EXT_CORO; |
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binmode STDOUT; |
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binmode STDERR; |
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# read virtual server time, if available |
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unless ($RUNTIME || !-e cf::localdir . "/runtime") { |
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open my $fh, "<", cf::localdir . "/runtime" |
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or die "unable to read runtime file: $!"; |
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$RUNTIME = <$fh> + 0.; |
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} |
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mkdir cf::localdir; |
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mkdir cf::localdir . "/" . cf::playerdir; |
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mkdir cf::localdir . "/" . cf::tmpdir; |
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mkdir cf::localdir . "/" . cf::uniquedir; |
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mkdir $RANDOM_MAPS; |
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|
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# a special map that is always available |
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our $LINK_MAP; |
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our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
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############################################################################# |
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=head2 GLOBAL VARIABLES |
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=over 4 |
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=item $cf::UPTIME |
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The timestamp of the server start (so not actually an uptime). |
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=item $cf::RUNTIME |
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The time this server has run, starts at 0 and is increased by $cf::TICK on |
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every server tick. |
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=item $cf::LIBDIR |
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The perl library directory, where extensions and cf-specific modules can |
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be found. It will be added to C<@INC> automatically. |
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=item $cf::NOW |
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The time of the last (current) server tick. |
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=item $cf::TICK |
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The interval between server ticks, in seconds. |
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=item %cf::CFG |
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Configuration for the server, loaded from C</etc/crossfire/config>, or |
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from wherever your confdir points to. |
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=back |
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=cut |
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BEGIN { |
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*CORE::GLOBAL::warn = sub { |
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my $msg = join "", @_; |
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utf8::encode $msg; |
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$msg .= "\n" |
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unless $msg =~ /\n$/; |
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LOG llevError, "cfperl: $msg"; |
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}; |
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} |
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@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
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@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
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@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
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@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
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|
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# we bless all objects into (empty) derived classes to force a method lookup |
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# within the Safe compartment. |
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for my $pkg (qw( |
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1.100 |
cf::global cf::attachable |
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cf::object cf::object::player |
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1.89 |
cf::client cf::player |
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cf::arch cf::living |
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cf::map cf::party cf::region |
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)) { |
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no strict 'refs'; |
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@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
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1.25 |
} |
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1.1 |
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1.18 |
$Event::DIED = sub { |
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warn "error in event callback: @_"; |
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}; |
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1.5 |
my %ext_pkg; |
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1.1 |
my @exts; |
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my @hook; |
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1.70 |
=head2 UTILITY FUNCTIONS |
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=over 4 |
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=cut |
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use JSON::Syck (); # TODO# replace by JSON::PC once working |
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=item $ref = cf::from_json $json |
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Converts a JSON string into the corresponding perl data structure. |
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=cut |
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sub from_json($) { |
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$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
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JSON::Syck::Load $_[0] |
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} |
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=item $json = cf::to_json $ref |
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Converts a perl data structure into its JSON representation. |
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=cut |
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sub to_json($) { |
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$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
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JSON::Syck::Dump $_[0] |
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1.44 |
} |
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=item cf::sync_job { BLOCK } |
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The design of crossfire+ requires that the main coro ($Coro::main) is |
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always able to handle events or runnable, as crossfire+ is only partly |
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reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. |
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If it must be done, put the blocking parts into C<sync_job>. This will run |
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the given BLOCK in another coroutine while waiting for the result. The |
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server will be frozen during this time, so the block should either finish |
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fast or be very important. |
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=cut |
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sub sync_job(&) { |
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my ($job) = @_; |
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if ($Coro::current == $Coro::main) { |
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# this is the main coro, too bad, we have to block |
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# till the operation succeeds, freezing the server :/ |
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# TODO: use suspend/resume instead |
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# (but this is cancel-safe) |
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local $FREEZE = 1; |
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my $busy = 1; |
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my @res; |
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(Coro::async { |
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@res = eval { $job->() }; |
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warn $@ if $@; |
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undef $busy; |
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})->prio (Coro::PRIO_MAX); |
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1.105 |
while ($busy) { |
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Coro::cede_notself; |
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Event::one_event unless Coro::nready; |
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} |
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wantarray ? @res : $res[0] |
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} else { |
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# we are in another coroutine, how wonderful, everything just works |
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$job->() |
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} |
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} |
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=item $coro = cf::coro { BLOCK } |
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Creates and returns a new coro. This coro is automcatially being canceled |
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when the extension calling this is being unloaded. |
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=cut |
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sub coro(&) { |
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my $cb = shift; |
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my $coro; $coro = async { |
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eval { |
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$cb->(); |
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}; |
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warn $@ if $@; |
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}; |
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$coro->on_destroy (sub { |
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delete $EXT_CORO{$coro+0}; |
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}); |
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$EXT_CORO{$coro+0} = $coro; |
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$coro |
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} |
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1.108 |
sub write_runtime { |
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my $runtime = cf::localdir . "/runtime"; |
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my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
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or return; |
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1.112 |
my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock |
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1.108 |
(aio_write $fh, 0, (length $value), $value, 0) <= 0 |
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and return; |
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aio_fsync $fh |
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and return; |
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close $fh |
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or return; |
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aio_rename "$runtime~", $runtime |
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and return; |
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1 |
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} |
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1.70 |
=back |
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1.71 |
=cut |
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1.44 |
############################################################################# |
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1.39 |
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1.108 |
package cf::path; |
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sub new { |
288 |
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my ($class, $path, $base) = @_; |
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1.110 |
$path = $path->as_string if ref $path; |
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1.108 |
my $self = bless { }, $class; |
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1.114 |
# {... are special paths that are not touched |
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# ?xxx/... are special absolute paths |
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# ?random/... random maps |
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# /! non-realised random map exit |
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# /... normal maps |
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# ~/... per-player maps without a specific player (DO NOT USE) |
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# ~user/... per-player map of a specific user |
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if ($path =~ /^{/) { |
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# fine as it is |
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} elsif ($path =~ s{^\?random/}{}) { |
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1.109 |
Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data; |
306 |
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$self->{random} = cf::from_json $data; |
307 |
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1.108 |
} else { |
308 |
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if ($path =~ s{^~([^/]+)?}{}) { |
309 |
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$self->{user_rel} = 1; |
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311 |
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if (defined $1) { |
312 |
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$self->{user} = $1; |
313 |
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} elsif ($base =~ m{^~([^/]+)/}) { |
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$self->{user} = $1; |
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} else { |
316 |
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warn "cannot resolve user-relative path without user <$path,$base>\n"; |
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} |
318 |
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} elsif ($path =~ /^\//) { |
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# already absolute |
320 |
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} else { |
321 |
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$base =~ s{[^/]+/?$}{}; |
322 |
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return $class->new ("$base/$path"); |
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} |
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for ($path) { |
326 |
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redo if s{/\.?/}{/}; |
327 |
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redo if s{/[^/]+/\.\./}{/}; |
328 |
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} |
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} |
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$self->{path} = $path; |
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$self |
334 |
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} |
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# the name / primary key / in-game path |
337 |
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sub as_string { |
338 |
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my ($self) = @_; |
339 |
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340 |
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$self->{user_rel} ? "~$self->{user}$self->{path}" |
341 |
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: $self->{random} ? "?random/$self->{path}" |
342 |
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: $self->{path} |
343 |
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} |
344 |
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345 |
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# the displayed name, this is a one way mapping |
346 |
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sub visible_name { |
347 |
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my ($self) = @_; |
348 |
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349 |
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1.109 |
# if (my $rmp = $self->{random}) { |
350 |
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# # todo: be more intelligent about this |
351 |
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# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}" |
352 |
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# } else { |
353 |
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$self->as_string |
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# } |
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1.108 |
} |
356 |
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357 |
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# escape the /'s in the path |
358 |
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sub _escaped_path { |
359 |
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# ∕ is U+2215 |
360 |
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(my $path = $_[0]{path}) =~ s/\//∕/g; |
361 |
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$path |
362 |
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} |
363 |
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364 |
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# the original (read-only) location |
365 |
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sub load_path { |
366 |
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my ($self) = @_; |
367 |
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368 |
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sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
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} |
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371 |
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# the temporary/swap location |
372 |
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sub save_path { |
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my ($self) = @_; |
374 |
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375 |
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$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path |
376 |
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1.109 |
: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path} |
377 |
root |
1.108 |
: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path |
378 |
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} |
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380 |
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# the unique path, might be eq to save_path |
381 |
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sub uniq_path { |
382 |
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my ($self) = @_; |
383 |
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384 |
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$self->{user_rel} || $self->{random} |
385 |
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? undef |
386 |
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: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path |
387 |
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} |
388 |
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389 |
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# return random map parameters, or undef |
390 |
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sub random_map_params { |
391 |
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my ($self) = @_; |
392 |
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393 |
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$self->{random} |
394 |
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} |
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|
|
396 |
|
|
# this is somewhat ugly, but style maps do need special treatment |
397 |
|
|
sub is_style_map { |
398 |
|
|
$_[0]{path} =~ m{^/styles/} |
399 |
|
|
} |
400 |
|
|
|
401 |
|
|
package cf; |
402 |
|
|
|
403 |
|
|
############################################################################# |
404 |
|
|
|
405 |
root |
1.93 |
=head2 ATTACHABLE OBJECTS |
406 |
|
|
|
407 |
root |
1.94 |
Many objects in crossfire are so-called attachable objects. That means you can |
408 |
|
|
attach callbacks/event handlers (a collection of which is called an "attachment") |
409 |
|
|
to it. All such attachable objects support the following methods. |
410 |
|
|
|
411 |
|
|
In the following description, CLASS can be any of C<global>, C<object> |
412 |
|
|
C<player>, C<client> or C<map> (i.e. the attachable objects in |
413 |
|
|
crossfire+). |
414 |
root |
1.55 |
|
415 |
|
|
=over 4 |
416 |
|
|
|
417 |
root |
1.94 |
=item $attachable->attach ($attachment, key => $value...) |
418 |
|
|
|
419 |
|
|
=item $attachable->detach ($attachment) |
420 |
|
|
|
421 |
|
|
Attach/detach a pre-registered attachment to a specific object and give it |
422 |
|
|
the specified key/value pairs as arguments. |
423 |
|
|
|
424 |
|
|
Example, attach a minesweeper attachment to the given object, making it a |
425 |
|
|
10x10 minesweeper game: |
426 |
root |
1.46 |
|
427 |
root |
1.94 |
$obj->attach (minesweeper => width => 10, height => 10); |
428 |
root |
1.53 |
|
429 |
root |
1.93 |
=item $bool = $attachable->attached ($name) |
430 |
root |
1.46 |
|
431 |
root |
1.93 |
Checks wether the named attachment is currently attached to the object. |
432 |
root |
1.46 |
|
433 |
root |
1.94 |
=item cf::CLASS->attach ... |
434 |
root |
1.46 |
|
435 |
root |
1.94 |
=item cf::CLASS->detach ... |
436 |
root |
1.92 |
|
437 |
root |
1.94 |
Define an anonymous attachment and attach it to all objects of the given |
438 |
|
|
CLASS. See the next function for an explanation of its arguments. |
439 |
root |
1.92 |
|
440 |
root |
1.93 |
You can attach to global events by using the C<cf::global> class. |
441 |
root |
1.92 |
|
442 |
root |
1.94 |
Example, log all player logins: |
443 |
|
|
|
444 |
|
|
cf::player->attach ( |
445 |
|
|
on_login => sub { |
446 |
|
|
my ($pl) = @_; |
447 |
|
|
... |
448 |
|
|
}, |
449 |
|
|
); |
450 |
|
|
|
451 |
|
|
Example, attach to the jeweler skill: |
452 |
|
|
|
453 |
|
|
cf::object->attach ( |
454 |
|
|
type => cf::SKILL, |
455 |
|
|
subtype => cf::SK_JEWELER, |
456 |
|
|
on_use_skill => sub { |
457 |
|
|
my ($sk, $ob, $part, $dir, $msg) = @_; |
458 |
|
|
... |
459 |
|
|
}, |
460 |
|
|
); |
461 |
|
|
|
462 |
|
|
=item cf::CLASS::attachment $name, ... |
463 |
|
|
|
464 |
|
|
Register an attachment by C<$name> through which attachable objects of the |
465 |
|
|
given CLASS can refer to this attachment. |
466 |
|
|
|
467 |
|
|
Some classes such as crossfire maps and objects can specify attachments |
468 |
|
|
that are attached at load/instantiate time, thus the need for a name. |
469 |
|
|
|
470 |
|
|
These calls expect any number of the following handler/hook descriptions: |
471 |
root |
1.46 |
|
472 |
|
|
=over 4 |
473 |
|
|
|
474 |
|
|
=item prio => $number |
475 |
|
|
|
476 |
|
|
Set the priority for all following handlers/hooks (unless overwritten |
477 |
|
|
by another C<prio> setting). Lower priority handlers get executed |
478 |
|
|
earlier. The default priority is C<0>, and many built-in handlers are |
479 |
|
|
registered at priority C<-1000>, so lower priorities should not be used |
480 |
|
|
unless you know what you are doing. |
481 |
|
|
|
482 |
root |
1.93 |
=item type => $type |
483 |
|
|
|
484 |
|
|
(Only for C<< cf::object->attach >> calls), limits the attachment to the |
485 |
|
|
given type of objects only (the additional parameter C<subtype> can be |
486 |
|
|
used to further limit to the given subtype). |
487 |
|
|
|
488 |
root |
1.46 |
=item on_I<event> => \&cb |
489 |
|
|
|
490 |
|
|
Call the given code reference whenever the named event happens (event is |
491 |
|
|
something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
492 |
|
|
handlers are recognised generally depends on the type of object these |
493 |
|
|
handlers attach to). |
494 |
|
|
|
495 |
|
|
See F<include/eventinc.h> for the full list of events supported, and their |
496 |
|
|
class. |
497 |
|
|
|
498 |
|
|
=item package => package:: |
499 |
|
|
|
500 |
|
|
Look for sub functions of the name C<< on_I<event> >> in the given |
501 |
|
|
package and register them. Only handlers for eevents supported by the |
502 |
|
|
object/class are recognised. |
503 |
|
|
|
504 |
|
|
=back |
505 |
|
|
|
506 |
root |
1.94 |
Example, define an attachment called "sockpuppet" that calls the given |
507 |
|
|
event handler when a monster attacks: |
508 |
|
|
|
509 |
|
|
cf::object::attachment sockpuppet => |
510 |
|
|
on_skill_attack => sub { |
511 |
|
|
my ($self, $victim) = @_; |
512 |
|
|
... |
513 |
|
|
} |
514 |
|
|
} |
515 |
|
|
|
516 |
root |
1.96 |
=item $attachable->valid |
517 |
|
|
|
518 |
|
|
Just because you have a perl object does not mean that the corresponding |
519 |
|
|
C-level object still exists. If you try to access an object that has no |
520 |
|
|
valid C counterpart anymore you get an exception at runtime. This method |
521 |
|
|
can be used to test for existence of the C object part without causing an |
522 |
|
|
exception. |
523 |
|
|
|
524 |
root |
1.39 |
=cut |
525 |
|
|
|
526 |
root |
1.40 |
# the following variables are defined in .xs and must not be re-created |
527 |
root |
1.100 |
our @CB_GLOBAL = (); # registry for all global events |
528 |
|
|
our @CB_ATTACHABLE = (); # registry for all attachables |
529 |
|
|
our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
530 |
|
|
our @CB_PLAYER = (); |
531 |
|
|
our @CB_CLIENT = (); |
532 |
|
|
our @CB_TYPE = (); # registry for type (cf-object class) based events |
533 |
|
|
our @CB_MAP = (); |
534 |
root |
1.39 |
|
535 |
root |
1.45 |
my %attachment; |
536 |
|
|
|
537 |
root |
1.93 |
sub _attach_cb($$$$) { |
538 |
|
|
my ($registry, $event, $prio, $cb) = @_; |
539 |
root |
1.39 |
|
540 |
|
|
use sort 'stable'; |
541 |
|
|
|
542 |
|
|
$cb = [$prio, $cb]; |
543 |
|
|
|
544 |
|
|
@{$registry->[$event]} = sort |
545 |
|
|
{ $a->[0] cmp $b->[0] } |
546 |
|
|
@{$registry->[$event] || []}, $cb; |
547 |
|
|
} |
548 |
|
|
|
549 |
root |
1.100 |
# hack |
550 |
|
|
my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
551 |
|
|
|
552 |
root |
1.39 |
# attach handles attaching event callbacks |
553 |
|
|
# the only thing the caller has to do is pass the correct |
554 |
|
|
# registry (== where the callback attaches to). |
555 |
root |
1.93 |
sub _attach { |
556 |
root |
1.45 |
my ($registry, $klass, @arg) = @_; |
557 |
root |
1.39 |
|
558 |
root |
1.93 |
my $object_type; |
559 |
root |
1.39 |
my $prio = 0; |
560 |
|
|
my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
561 |
|
|
|
562 |
root |
1.100 |
#TODO: get rid of this hack |
563 |
|
|
if ($attachable_klass{$klass}) { |
564 |
|
|
%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT); |
565 |
|
|
} |
566 |
|
|
|
567 |
root |
1.45 |
while (@arg) { |
568 |
|
|
my $type = shift @arg; |
569 |
root |
1.39 |
|
570 |
|
|
if ($type eq "prio") { |
571 |
root |
1.45 |
$prio = shift @arg; |
572 |
root |
1.39 |
|
573 |
root |
1.93 |
} elsif ($type eq "type") { |
574 |
|
|
$object_type = shift @arg; |
575 |
|
|
$registry = $CB_TYPE[$object_type] ||= []; |
576 |
|
|
|
577 |
|
|
} elsif ($type eq "subtype") { |
578 |
|
|
defined $object_type or Carp::croak "subtype specified without type"; |
579 |
|
|
my $object_subtype = shift @arg; |
580 |
|
|
$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
581 |
|
|
|
582 |
root |
1.39 |
} elsif ($type eq "package") { |
583 |
root |
1.45 |
my $pkg = shift @arg; |
584 |
root |
1.39 |
|
585 |
|
|
while (my ($name, $id) = each %cb_id) { |
586 |
|
|
if (my $cb = $pkg->can ($name)) { |
587 |
root |
1.93 |
_attach_cb $registry, $id, $prio, $cb; |
588 |
root |
1.39 |
} |
589 |
|
|
} |
590 |
|
|
|
591 |
|
|
} elsif (exists $cb_id{$type}) { |
592 |
root |
1.93 |
_attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
593 |
root |
1.39 |
|
594 |
|
|
} elsif (ref $type) { |
595 |
|
|
warn "attaching objects not supported, ignoring.\n"; |
596 |
|
|
|
597 |
|
|
} else { |
598 |
root |
1.45 |
shift @arg; |
599 |
root |
1.39 |
warn "attach argument '$type' not supported, ignoring.\n"; |
600 |
|
|
} |
601 |
|
|
} |
602 |
|
|
} |
603 |
|
|
|
604 |
root |
1.93 |
sub _object_attach { |
605 |
root |
1.48 |
my ($obj, $name, %arg) = @_; |
606 |
root |
1.46 |
|
607 |
root |
1.55 |
return if exists $obj->{_attachment}{$name}; |
608 |
|
|
|
609 |
root |
1.46 |
if (my $attach = $attachment{$name}) { |
610 |
|
|
my $registry = $obj->registry; |
611 |
|
|
|
612 |
root |
1.47 |
for (@$attach) { |
613 |
|
|
my ($klass, @attach) = @$_; |
614 |
root |
1.93 |
_attach $registry, $klass, @attach; |
615 |
root |
1.47 |
} |
616 |
root |
1.46 |
|
617 |
root |
1.48 |
$obj->{$name} = \%arg; |
618 |
root |
1.46 |
} else { |
619 |
|
|
warn "object uses attachment '$name' that is not available, postponing.\n"; |
620 |
|
|
} |
621 |
|
|
|
622 |
root |
1.50 |
$obj->{_attachment}{$name} = undef; |
623 |
root |
1.46 |
} |
624 |
|
|
|
625 |
root |
1.93 |
sub cf::attachable::attach { |
626 |
|
|
if (ref $_[0]) { |
627 |
|
|
_object_attach @_; |
628 |
|
|
} else { |
629 |
|
|
_attach shift->_attach_registry, @_; |
630 |
|
|
} |
631 |
root |
1.55 |
}; |
632 |
root |
1.46 |
|
633 |
root |
1.54 |
# all those should be optimised |
634 |
root |
1.93 |
sub cf::attachable::detach { |
635 |
root |
1.54 |
my ($obj, $name) = @_; |
636 |
root |
1.46 |
|
637 |
root |
1.93 |
if (ref $obj) { |
638 |
|
|
delete $obj->{_attachment}{$name}; |
639 |
|
|
reattach ($obj); |
640 |
|
|
} else { |
641 |
|
|
Carp::croak "cannot, currently, detach class attachments"; |
642 |
|
|
} |
643 |
root |
1.55 |
}; |
644 |
|
|
|
645 |
root |
1.93 |
sub cf::attachable::attached { |
646 |
root |
1.55 |
my ($obj, $name) = @_; |
647 |
|
|
|
648 |
|
|
exists $obj->{_attachment}{$name} |
649 |
root |
1.39 |
} |
650 |
|
|
|
651 |
root |
1.100 |
for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
652 |
root |
1.93 |
eval "#line " . __LINE__ . " 'cf.pm' |
653 |
|
|
sub cf::\L$klass\E::_attach_registry { |
654 |
|
|
(\\\@CB_$klass, KLASS_$klass) |
655 |
|
|
} |
656 |
root |
1.45 |
|
657 |
root |
1.93 |
sub cf::\L$klass\E::attachment { |
658 |
|
|
my \$name = shift; |
659 |
root |
1.39 |
|
660 |
root |
1.93 |
\$attachment{\$name} = [[KLASS_$klass, \@_]]; |
661 |
|
|
} |
662 |
|
|
"; |
663 |
|
|
die if $@; |
664 |
root |
1.52 |
} |
665 |
|
|
|
666 |
root |
1.39 |
our $override; |
667 |
root |
1.45 |
our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
668 |
root |
1.39 |
|
669 |
root |
1.45 |
sub override { |
670 |
|
|
$override = 1; |
671 |
|
|
@invoke_results = (); |
672 |
root |
1.39 |
} |
673 |
|
|
|
674 |
root |
1.45 |
sub do_invoke { |
675 |
root |
1.39 |
my $event = shift; |
676 |
root |
1.40 |
my $callbacks = shift; |
677 |
root |
1.39 |
|
678 |
root |
1.45 |
@invoke_results = (); |
679 |
|
|
|
680 |
root |
1.39 |
local $override; |
681 |
|
|
|
682 |
root |
1.40 |
for (@$callbacks) { |
683 |
root |
1.39 |
eval { &{$_->[1]} }; |
684 |
|
|
|
685 |
|
|
if ($@) { |
686 |
|
|
warn "$@"; |
687 |
root |
1.64 |
warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
688 |
root |
1.39 |
override; |
689 |
|
|
} |
690 |
|
|
|
691 |
|
|
return 1 if $override; |
692 |
|
|
} |
693 |
|
|
|
694 |
|
|
0 |
695 |
|
|
} |
696 |
|
|
|
697 |
root |
1.96 |
=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
698 |
root |
1.55 |
|
699 |
root |
1.96 |
=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
700 |
root |
1.55 |
|
701 |
root |
1.96 |
Generate an object-specific event with the given arguments. |
702 |
root |
1.55 |
|
703 |
root |
1.96 |
This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
704 |
root |
1.55 |
removed in future versions), and there is no public API to access override |
705 |
|
|
results (if you must, access C<@cf::invoke_results> directly). |
706 |
|
|
|
707 |
|
|
=back |
708 |
|
|
|
709 |
root |
1.71 |
=cut |
710 |
|
|
|
711 |
root |
1.70 |
############################################################################# |
712 |
root |
1.45 |
# object support |
713 |
|
|
|
714 |
root |
1.102 |
sub reattach { |
715 |
|
|
# basically do the same as instantiate, without calling instantiate |
716 |
|
|
my ($obj) = @_; |
717 |
|
|
|
718 |
|
|
my $registry = $obj->registry; |
719 |
|
|
|
720 |
|
|
@$registry = (); |
721 |
|
|
|
722 |
|
|
delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
723 |
|
|
|
724 |
|
|
for my $name (keys %{ $obj->{_attachment} || {} }) { |
725 |
|
|
if (my $attach = $attachment{$name}) { |
726 |
|
|
for (@$attach) { |
727 |
|
|
my ($klass, @attach) = @$_; |
728 |
|
|
_attach $registry, $klass, @attach; |
729 |
|
|
} |
730 |
|
|
} else { |
731 |
|
|
warn "object uses attachment '$name' that is not available, postponing.\n"; |
732 |
|
|
} |
733 |
|
|
} |
734 |
|
|
} |
735 |
|
|
|
736 |
root |
1.100 |
cf::attachable->attach ( |
737 |
|
|
prio => -1000000, |
738 |
|
|
on_instantiate => sub { |
739 |
|
|
my ($obj, $data) = @_; |
740 |
root |
1.45 |
|
741 |
root |
1.100 |
$data = from_json $data; |
742 |
root |
1.45 |
|
743 |
root |
1.100 |
for (@$data) { |
744 |
|
|
my ($name, $args) = @$_; |
745 |
root |
1.49 |
|
746 |
root |
1.100 |
$obj->attach ($name, %{$args || {} }); |
747 |
|
|
} |
748 |
|
|
}, |
749 |
root |
1.102 |
on_reattach => \&reattach, |
750 |
root |
1.100 |
on_clone => sub { |
751 |
|
|
my ($src, $dst) = @_; |
752 |
|
|
|
753 |
|
|
@{$dst->registry} = @{$src->registry}; |
754 |
|
|
|
755 |
|
|
%$dst = %$src; |
756 |
|
|
|
757 |
|
|
%{$dst->{_attachment}} = %{$src->{_attachment}} |
758 |
|
|
if exists $src->{_attachment}; |
759 |
|
|
}, |
760 |
|
|
); |
761 |
root |
1.45 |
|
762 |
root |
1.46 |
sub object_freezer_save { |
763 |
root |
1.59 |
my ($filename, $rdata, $objs) = @_; |
764 |
root |
1.46 |
|
765 |
root |
1.105 |
sync_job { |
766 |
|
|
if (length $$rdata) { |
767 |
|
|
warn sprintf "saving %s (%d,%d)\n", |
768 |
|
|
$filename, length $$rdata, scalar @$objs; |
769 |
root |
1.60 |
|
770 |
root |
1.105 |
if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
771 |
root |
1.60 |
chmod SAVE_MODE, $fh; |
772 |
root |
1.105 |
aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
773 |
|
|
aio_fsync $fh; |
774 |
root |
1.60 |
close $fh; |
775 |
root |
1.105 |
|
776 |
|
|
if (@$objs) { |
777 |
|
|
if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
778 |
|
|
chmod SAVE_MODE, $fh; |
779 |
|
|
my $data = Storable::nfreeze { version => 1, objs => $objs }; |
780 |
|
|
aio_write $fh, 0, (length $data), $data, 0; |
781 |
|
|
aio_fsync $fh; |
782 |
|
|
close $fh; |
783 |
|
|
aio_rename "$filename.pst~", "$filename.pst"; |
784 |
|
|
} |
785 |
|
|
} else { |
786 |
|
|
aio_unlink "$filename.pst"; |
787 |
|
|
} |
788 |
|
|
|
789 |
|
|
aio_rename "$filename~", $filename; |
790 |
root |
1.60 |
} else { |
791 |
root |
1.105 |
warn "FATAL: $filename~: $!\n"; |
792 |
root |
1.60 |
} |
793 |
root |
1.59 |
} else { |
794 |
root |
1.105 |
aio_unlink $filename; |
795 |
|
|
aio_unlink "$filename.pst"; |
796 |
root |
1.59 |
} |
797 |
root |
1.45 |
} |
798 |
|
|
} |
799 |
|
|
|
800 |
root |
1.80 |
sub object_freezer_as_string { |
801 |
|
|
my ($rdata, $objs) = @_; |
802 |
|
|
|
803 |
|
|
use Data::Dumper; |
804 |
|
|
|
805 |
root |
1.81 |
$$rdata . Dumper $objs |
806 |
root |
1.80 |
} |
807 |
|
|
|
808 |
root |
1.46 |
sub object_thawer_load { |
809 |
|
|
my ($filename) = @_; |
810 |
|
|
|
811 |
root |
1.105 |
my ($data, $av); |
812 |
root |
1.61 |
|
813 |
root |
1.105 |
(aio_load $filename, $data) >= 0 |
814 |
|
|
or return; |
815 |
root |
1.61 |
|
816 |
root |
1.105 |
unless (aio_stat "$filename.pst") { |
817 |
|
|
(aio_load "$filename.pst", $av) >= 0 |
818 |
|
|
or return; |
819 |
root |
1.113 |
$av = eval { (Storable::thaw $av)->{objs} }; |
820 |
root |
1.61 |
} |
821 |
root |
1.45 |
|
822 |
root |
1.105 |
return ($data, $av); |
823 |
root |
1.45 |
} |
824 |
|
|
|
825 |
|
|
############################################################################# |
826 |
root |
1.85 |
# command handling &c |
827 |
root |
1.39 |
|
828 |
root |
1.85 |
=item cf::register_command $name => \&callback($ob,$args); |
829 |
root |
1.1 |
|
830 |
root |
1.85 |
Register a callback for execution when the client sends the user command |
831 |
|
|
$name. |
832 |
root |
1.5 |
|
833 |
root |
1.85 |
=cut |
834 |
root |
1.5 |
|
835 |
root |
1.85 |
sub register_command { |
836 |
|
|
my ($name, $cb) = @_; |
837 |
root |
1.5 |
|
838 |
root |
1.85 |
my $caller = caller; |
839 |
|
|
#warn "registering command '$name/$time' to '$caller'"; |
840 |
root |
1.1 |
|
841 |
root |
1.85 |
push @{ $COMMAND{$name} }, [$caller, $cb]; |
842 |
root |
1.1 |
} |
843 |
|
|
|
844 |
root |
1.85 |
=item cf::register_extcmd $name => \&callback($pl,$packet); |
845 |
root |
1.1 |
|
846 |
root |
1.85 |
Register a callbackf ro execution when the client sends an extcmd packet. |
847 |
root |
1.1 |
|
848 |
root |
1.85 |
If the callback returns something, it is sent back as if reply was being |
849 |
|
|
called. |
850 |
root |
1.1 |
|
851 |
root |
1.85 |
=cut |
852 |
root |
1.1 |
|
853 |
root |
1.16 |
sub register_extcmd { |
854 |
|
|
my ($name, $cb) = @_; |
855 |
|
|
|
856 |
|
|
my $caller = caller; |
857 |
|
|
#warn "registering extcmd '$name' to '$caller'"; |
858 |
|
|
|
859 |
root |
1.85 |
$EXTCMD{$name} = [$cb, $caller]; |
860 |
root |
1.16 |
} |
861 |
|
|
|
862 |
root |
1.93 |
cf::player->attach ( |
863 |
root |
1.85 |
on_command => sub { |
864 |
|
|
my ($pl, $name, $params) = @_; |
865 |
|
|
|
866 |
|
|
my $cb = $COMMAND{$name} |
867 |
|
|
or return; |
868 |
|
|
|
869 |
|
|
for my $cmd (@$cb) { |
870 |
|
|
$cmd->[1]->($pl->ob, $params); |
871 |
|
|
} |
872 |
|
|
|
873 |
|
|
cf::override; |
874 |
|
|
}, |
875 |
|
|
on_extcmd => sub { |
876 |
|
|
my ($pl, $buf) = @_; |
877 |
|
|
|
878 |
|
|
my $msg = eval { from_json $buf }; |
879 |
|
|
|
880 |
|
|
if (ref $msg) { |
881 |
|
|
if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
882 |
|
|
if (my %reply = $cb->[0]->($pl, $msg)) { |
883 |
|
|
$pl->ext_reply ($msg->{msgid}, %reply); |
884 |
|
|
} |
885 |
|
|
} |
886 |
|
|
} else { |
887 |
|
|
warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
888 |
|
|
} |
889 |
|
|
|
890 |
|
|
cf::override; |
891 |
|
|
}, |
892 |
root |
1.93 |
); |
893 |
root |
1.85 |
|
894 |
root |
1.6 |
sub register { |
895 |
|
|
my ($base, $pkg) = @_; |
896 |
|
|
|
897 |
root |
1.45 |
#TODO |
898 |
root |
1.6 |
} |
899 |
|
|
|
900 |
root |
1.1 |
sub load_extension { |
901 |
|
|
my ($path) = @_; |
902 |
|
|
|
903 |
|
|
$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
904 |
root |
1.5 |
my $base = $1; |
905 |
root |
1.1 |
my $pkg = $1; |
906 |
|
|
$pkg =~ s/[^[:word:]]/_/g; |
907 |
root |
1.41 |
$pkg = "ext::$pkg"; |
908 |
root |
1.1 |
|
909 |
|
|
warn "loading '$path' into '$pkg'\n"; |
910 |
|
|
|
911 |
|
|
open my $fh, "<:utf8", $path |
912 |
|
|
or die "$path: $!"; |
913 |
|
|
|
914 |
|
|
my $source = |
915 |
|
|
"package $pkg; use strict; use utf8;\n" |
916 |
|
|
. "#line 1 \"$path\"\n{\n" |
917 |
|
|
. (do { local $/; <$fh> }) |
918 |
|
|
. "\n};\n1"; |
919 |
|
|
|
920 |
|
|
eval $source |
921 |
root |
1.82 |
or die $@ ? "$path: $@\n" |
922 |
|
|
: "extension disabled.\n"; |
923 |
root |
1.1 |
|
924 |
|
|
push @exts, $pkg; |
925 |
root |
1.5 |
$ext_pkg{$base} = $pkg; |
926 |
root |
1.1 |
|
927 |
root |
1.6 |
# no strict 'refs'; |
928 |
root |
1.23 |
# @{"$pkg\::ISA"} = ext::; |
929 |
root |
1.1 |
|
930 |
root |
1.6 |
register $base, $pkg; |
931 |
root |
1.1 |
} |
932 |
|
|
|
933 |
|
|
sub unload_extension { |
934 |
|
|
my ($pkg) = @_; |
935 |
|
|
|
936 |
|
|
warn "removing extension $pkg\n"; |
937 |
|
|
|
938 |
|
|
# remove hooks |
939 |
root |
1.45 |
#TODO |
940 |
|
|
# for my $idx (0 .. $#PLUGIN_EVENT) { |
941 |
|
|
# delete $hook[$idx]{$pkg}; |
942 |
|
|
# } |
943 |
root |
1.1 |
|
944 |
|
|
# remove commands |
945 |
root |
1.85 |
for my $name (keys %COMMAND) { |
946 |
|
|
my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} }; |
947 |
root |
1.1 |
|
948 |
|
|
if (@cb) { |
949 |
root |
1.85 |
$COMMAND{$name} = \@cb; |
950 |
root |
1.1 |
} else { |
951 |
root |
1.85 |
delete $COMMAND{$name}; |
952 |
root |
1.1 |
} |
953 |
|
|
} |
954 |
|
|
|
955 |
root |
1.15 |
# remove extcmds |
956 |
root |
1.85 |
for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) { |
957 |
|
|
delete $EXTCMD{$name}; |
958 |
root |
1.15 |
} |
959 |
|
|
|
960 |
root |
1.43 |
if (my $cb = $pkg->can ("unload")) { |
961 |
elmex |
1.31 |
eval { |
962 |
|
|
$cb->($pkg); |
963 |
|
|
1 |
964 |
|
|
} or warn "$pkg unloaded, but with errors: $@"; |
965 |
|
|
} |
966 |
|
|
|
967 |
root |
1.1 |
Symbol::delete_package $pkg; |
968 |
|
|
} |
969 |
|
|
|
970 |
|
|
sub load_extensions { |
971 |
|
|
for my $ext (<$LIBDIR/*.ext>) { |
972 |
root |
1.3 |
next unless -r $ext; |
973 |
root |
1.2 |
eval { |
974 |
|
|
load_extension $ext; |
975 |
|
|
1 |
976 |
|
|
} or warn "$ext not loaded: $@"; |
977 |
root |
1.1 |
} |
978 |
|
|
} |
979 |
|
|
|
980 |
root |
1.8 |
############################################################################# |
981 |
|
|
# load/save/clean perl data associated with a map |
982 |
|
|
|
983 |
root |
1.39 |
*cf::mapsupport::on_clean = sub { |
984 |
root |
1.13 |
my ($map) = @_; |
985 |
root |
1.7 |
|
986 |
|
|
my $path = $map->tmpname; |
987 |
|
|
defined $path or return; |
988 |
|
|
|
989 |
root |
1.46 |
unlink "$path.pst"; |
990 |
root |
1.7 |
}; |
991 |
|
|
|
992 |
root |
1.93 |
cf::map->attach (prio => -10000, package => cf::mapsupport::); |
993 |
root |
1.39 |
|
994 |
root |
1.8 |
############################################################################# |
995 |
|
|
# load/save perl data associated with player->ob objects |
996 |
|
|
|
997 |
root |
1.33 |
sub all_objects(@) { |
998 |
|
|
@_, map all_objects ($_->inv), @_ |
999 |
|
|
} |
1000 |
|
|
|
1001 |
root |
1.60 |
# TODO: compatibility cruft, remove when no longer needed |
1002 |
root |
1.93 |
cf::player->attach ( |
1003 |
root |
1.39 |
on_load => sub { |
1004 |
|
|
my ($pl, $path) = @_; |
1005 |
|
|
|
1006 |
|
|
for my $o (all_objects $pl->ob) { |
1007 |
|
|
if (my $value = $o->get_ob_key_value ("_perl_data")) { |
1008 |
|
|
$o->set_ob_key_value ("_perl_data"); |
1009 |
root |
1.8 |
|
1010 |
root |
1.39 |
%$o = %{ Storable::thaw pack "H*", $value }; |
1011 |
|
|
} |
1012 |
root |
1.11 |
} |
1013 |
root |
1.39 |
}, |
1014 |
root |
1.93 |
); |
1015 |
root |
1.6 |
|
1016 |
root |
1.22 |
############################################################################# |
1017 |
root |
1.70 |
|
1018 |
|
|
=head2 CORE EXTENSIONS |
1019 |
|
|
|
1020 |
|
|
Functions and methods that extend core crossfire objects. |
1021 |
|
|
|
1022 |
root |
1.95 |
=head3 cf::player |
1023 |
|
|
|
1024 |
root |
1.70 |
=over 4 |
1025 |
root |
1.22 |
|
1026 |
root |
1.23 |
=item cf::player::exists $login |
1027 |
|
|
|
1028 |
|
|
Returns true when the given account exists. |
1029 |
|
|
|
1030 |
|
|
=cut |
1031 |
|
|
|
1032 |
|
|
sub cf::player::exists($) { |
1033 |
|
|
cf::player::find $_[0] |
1034 |
|
|
or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
1035 |
|
|
} |
1036 |
|
|
|
1037 |
root |
1.95 |
=item $player->ext_reply ($msgid, $msgtype, %msg) |
1038 |
|
|
|
1039 |
|
|
Sends an ext reply to the player. |
1040 |
|
|
|
1041 |
|
|
=cut |
1042 |
|
|
|
1043 |
|
|
sub cf::player::ext_reply($$$%) { |
1044 |
|
|
my ($self, $id, %msg) = @_; |
1045 |
|
|
|
1046 |
|
|
$msg{msgid} = $id; |
1047 |
|
|
|
1048 |
|
|
$self->send ("ext " . to_json \%msg); |
1049 |
|
|
} |
1050 |
|
|
|
1051 |
|
|
=back |
1052 |
|
|
|
1053 |
root |
1.110 |
|
1054 |
|
|
=head3 cf::map |
1055 |
|
|
|
1056 |
|
|
=over 4 |
1057 |
|
|
|
1058 |
|
|
=cut |
1059 |
|
|
|
1060 |
|
|
package cf::map; |
1061 |
|
|
|
1062 |
|
|
use Fcntl; |
1063 |
|
|
use Coro::AIO; |
1064 |
|
|
|
1065 |
|
|
our $MAX_RESET = 7200; |
1066 |
|
|
our $DEFAULT_RESET = 3600; |
1067 |
|
|
|
1068 |
|
|
sub generate_random_map { |
1069 |
|
|
my ($path, $rmp) = @_; |
1070 |
|
|
|
1071 |
|
|
# mit "rum" bekleckern, nicht |
1072 |
|
|
cf::map::_create_random_map |
1073 |
|
|
$path, |
1074 |
|
|
$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, |
1075 |
|
|
$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, |
1076 |
|
|
$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, |
1077 |
|
|
$rmp->{exit_on_final_map}, |
1078 |
|
|
$rmp->{xsize}, $rmp->{ysize}, |
1079 |
|
|
$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, |
1080 |
|
|
$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, |
1081 |
|
|
$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, |
1082 |
|
|
$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, |
1083 |
|
|
$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, |
1084 |
|
|
(cf::region::find $rmp->{region}) |
1085 |
|
|
} |
1086 |
|
|
|
1087 |
|
|
# and all this just because we cannot iterate over |
1088 |
|
|
# all maps in C++... |
1089 |
|
|
sub change_all_map_light { |
1090 |
|
|
my ($change) = @_; |
1091 |
|
|
|
1092 |
|
|
$_->change_map_light ($change) for values %cf::MAP; |
1093 |
|
|
} |
1094 |
|
|
|
1095 |
|
|
sub try_load_header($) { |
1096 |
|
|
my ($path) = @_; |
1097 |
|
|
|
1098 |
|
|
utf8::encode $path; |
1099 |
|
|
aio_open $path, O_RDONLY, 0 |
1100 |
|
|
or return; |
1101 |
|
|
|
1102 |
|
|
my $map = cf::map::new |
1103 |
|
|
or return; |
1104 |
|
|
|
1105 |
|
|
$map->load_header ($path) |
1106 |
|
|
or return; |
1107 |
|
|
|
1108 |
|
|
$map->{load_path} = $path; |
1109 |
|
|
|
1110 |
|
|
$map |
1111 |
|
|
} |
1112 |
|
|
|
1113 |
|
|
sub find_map { |
1114 |
|
|
my ($path, $origin) = @_; |
1115 |
|
|
|
1116 |
|
|
#warn "find_map<$path,$origin>\n";#d# |
1117 |
|
|
|
1118 |
root |
1.112 |
$path = new cf::path $path, $origin && $origin->path; |
1119 |
root |
1.110 |
my $key = $path->as_string; |
1120 |
|
|
|
1121 |
|
|
$cf::MAP{$key} || do { |
1122 |
|
|
# do it the slow way |
1123 |
|
|
my $map = try_load_header $path->save_path; |
1124 |
|
|
|
1125 |
|
|
if ($map) { |
1126 |
|
|
# safety |
1127 |
|
|
$map->{instantiate_time} = $cf::RUNTIME |
1128 |
|
|
if $map->{instantiate_time} > $cf::RUNTIME; |
1129 |
|
|
} else { |
1130 |
|
|
if (my $rmp = $path->random_map_params) { |
1131 |
|
|
$map = generate_random_map $key, $rmp; |
1132 |
|
|
} else { |
1133 |
|
|
$map = try_load_header $path->load_path; |
1134 |
|
|
} |
1135 |
|
|
|
1136 |
|
|
$map or return; |
1137 |
|
|
|
1138 |
root |
1.111 |
$map->{load_original} = 1; |
1139 |
root |
1.110 |
$map->{instantiate_time} = $cf::RUNTIME; |
1140 |
|
|
$map->instantiate; |
1141 |
|
|
|
1142 |
|
|
# per-player maps become, after loading, normal maps |
1143 |
|
|
$map->per_player (0) if $path->{user_rel}; |
1144 |
|
|
} |
1145 |
|
|
|
1146 |
|
|
$map->path ($key); |
1147 |
|
|
$map->{path} = $path; |
1148 |
|
|
$map->last_access ($cf::RUNTIME); |
1149 |
|
|
|
1150 |
root |
1.112 |
if ($map->should_reset) { |
1151 |
|
|
$map->reset; |
1152 |
|
|
$map = find_map $path; |
1153 |
|
|
} |
1154 |
root |
1.110 |
|
1155 |
|
|
$cf::MAP{$key} = $map |
1156 |
|
|
} |
1157 |
|
|
} |
1158 |
|
|
|
1159 |
|
|
sub load { |
1160 |
|
|
my ($self) = @_; |
1161 |
|
|
|
1162 |
|
|
return if $self->in_memory != cf::MAP_SWAPPED; |
1163 |
|
|
|
1164 |
|
|
$self->in_memory (cf::MAP_LOADING); |
1165 |
|
|
|
1166 |
|
|
my $path = $self->{path}; |
1167 |
|
|
|
1168 |
|
|
$self->alloc; |
1169 |
|
|
$self->load_objects ($self->{load_path}, 1) |
1170 |
|
|
or return; |
1171 |
|
|
|
1172 |
root |
1.112 |
$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
1173 |
|
|
if delete $self->{load_original}; |
1174 |
root |
1.111 |
|
1175 |
root |
1.110 |
if (my $uniq = $path->uniq_path) { |
1176 |
|
|
utf8::encode $uniq; |
1177 |
|
|
if (aio_open $uniq, O_RDONLY, 0) { |
1178 |
|
|
$self->clear_unique_items; |
1179 |
|
|
$self->load_objects ($uniq, 0); |
1180 |
|
|
} |
1181 |
|
|
} |
1182 |
|
|
|
1183 |
|
|
# now do the right thing for maps |
1184 |
|
|
$self->link_multipart_objects; |
1185 |
|
|
|
1186 |
|
|
if ($self->{path}->is_style_map) { |
1187 |
|
|
$self->{deny_save} = 1; |
1188 |
|
|
$self->{deny_reset} = 1; |
1189 |
|
|
} else { |
1190 |
|
|
$self->fix_auto_apply; |
1191 |
|
|
$self->decay_objects; |
1192 |
|
|
$self->update_buttons; |
1193 |
|
|
$self->set_darkness_map; |
1194 |
|
|
$self->difficulty ($self->estimate_difficulty) |
1195 |
|
|
unless $self->difficulty; |
1196 |
|
|
$self->activate; |
1197 |
|
|
} |
1198 |
|
|
|
1199 |
|
|
$self->in_memory (cf::MAP_IN_MEMORY); |
1200 |
|
|
} |
1201 |
|
|
|
1202 |
|
|
sub load_map_sync { |
1203 |
|
|
my ($path, $origin) = @_; |
1204 |
|
|
|
1205 |
|
|
#warn "load_map_sync<$path, $origin>\n";#d# |
1206 |
|
|
|
1207 |
|
|
cf::sync_job { |
1208 |
|
|
my $map = cf::map::find_map $path, $origin |
1209 |
|
|
or return; |
1210 |
|
|
$map->load; |
1211 |
|
|
$map |
1212 |
|
|
} |
1213 |
|
|
} |
1214 |
|
|
|
1215 |
|
|
sub save { |
1216 |
|
|
my ($self) = @_; |
1217 |
|
|
|
1218 |
|
|
my $save = $self->{path}->save_path; utf8::encode $save; |
1219 |
|
|
my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; |
1220 |
|
|
|
1221 |
|
|
$self->{last_save} = $cf::RUNTIME; |
1222 |
|
|
|
1223 |
|
|
return unless $self->dirty; |
1224 |
|
|
|
1225 |
|
|
$self->{load_path} = $save; |
1226 |
|
|
|
1227 |
|
|
return if $self->{deny_save}; |
1228 |
|
|
|
1229 |
|
|
if ($uniq) { |
1230 |
|
|
$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
1231 |
|
|
$self->save_objects ($uniq, cf::IO_UNIQUES); |
1232 |
|
|
} else { |
1233 |
|
|
$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
1234 |
|
|
} |
1235 |
|
|
} |
1236 |
|
|
|
1237 |
|
|
sub swap_out { |
1238 |
|
|
my ($self) = @_; |
1239 |
|
|
|
1240 |
|
|
return if $self->players; |
1241 |
|
|
return if $self->in_memory != cf::MAP_IN_MEMORY; |
1242 |
|
|
return if $self->{deny_save}; |
1243 |
|
|
|
1244 |
|
|
$self->save; |
1245 |
|
|
$self->clear; |
1246 |
|
|
$self->in_memory (cf::MAP_SWAPPED); |
1247 |
|
|
} |
1248 |
|
|
|
1249 |
root |
1.112 |
sub reset_at { |
1250 |
|
|
my ($self) = @_; |
1251 |
root |
1.110 |
|
1252 |
|
|
# TODO: safety, remove and allow resettable per-player maps |
1253 |
root |
1.114 |
return 1e99 if $self->{path}{user_rel}; |
1254 |
|
|
return 1e99 if $self->{deny_reset}; |
1255 |
root |
1.110 |
|
1256 |
root |
1.112 |
my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; |
1257 |
root |
1.114 |
my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; |
1258 |
root |
1.110 |
|
1259 |
root |
1.112 |
$time + $to |
1260 |
|
|
} |
1261 |
|
|
|
1262 |
|
|
sub should_reset { |
1263 |
|
|
my ($self) = @_; |
1264 |
|
|
|
1265 |
|
|
$self->reset_at <= $cf::RUNTIME |
1266 |
root |
1.111 |
} |
1267 |
|
|
|
1268 |
|
|
sub unlink_save { |
1269 |
|
|
my ($self) = @_; |
1270 |
|
|
|
1271 |
|
|
utf8::encode (my $save = $self->{path}->save_path); |
1272 |
|
|
aioreq_pri 3; IO::AIO::aio_unlink $save; |
1273 |
|
|
aioreq_pri 3; IO::AIO::aio_unlink "$save.pst"; |
1274 |
root |
1.110 |
} |
1275 |
|
|
|
1276 |
root |
1.113 |
sub rename { |
1277 |
|
|
my ($self, $new_path) = @_; |
1278 |
|
|
|
1279 |
|
|
$self->unlink_save; |
1280 |
|
|
|
1281 |
|
|
delete $cf::MAP{$self->path}; |
1282 |
|
|
$self->{path} = new cf::path $new_path; |
1283 |
root |
1.114 |
$self->path ($self->{path}->as_string); |
1284 |
root |
1.113 |
$cf::MAP{$self->path} = $self; |
1285 |
|
|
|
1286 |
|
|
$self->save; |
1287 |
|
|
} |
1288 |
|
|
|
1289 |
root |
1.110 |
sub reset { |
1290 |
|
|
my ($self) = @_; |
1291 |
|
|
|
1292 |
|
|
return if $self->players; |
1293 |
|
|
return if $self->{path}{user_rel};#d# |
1294 |
|
|
|
1295 |
|
|
warn "resetting map ", $self->path;#d# |
1296 |
|
|
|
1297 |
root |
1.111 |
delete $cf::MAP{$self->path}; |
1298 |
root |
1.110 |
|
1299 |
|
|
$_->clear_links_to ($self) for values %cf::MAP; |
1300 |
|
|
|
1301 |
root |
1.111 |
$self->unlink_save; |
1302 |
|
|
$self->destroy; |
1303 |
root |
1.110 |
} |
1304 |
|
|
|
1305 |
root |
1.114 |
my $nuke_counter = "aaaa"; |
1306 |
|
|
|
1307 |
|
|
sub nuke { |
1308 |
|
|
my ($self) = @_; |
1309 |
|
|
|
1310 |
|
|
$self->{deny_save} = 1; |
1311 |
|
|
$self->reset_timeout (1); |
1312 |
|
|
$self->rename ("{nuke}/" . ($nuke_counter++)); |
1313 |
|
|
$self->reset; # polite request, might not happen |
1314 |
|
|
} |
1315 |
|
|
|
1316 |
root |
1.110 |
sub customise_for { |
1317 |
|
|
my ($map, $ob) = @_; |
1318 |
|
|
|
1319 |
|
|
if ($map->per_player) { |
1320 |
|
|
return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; |
1321 |
|
|
} |
1322 |
|
|
|
1323 |
|
|
$map |
1324 |
|
|
} |
1325 |
|
|
|
1326 |
|
|
sub emergency_save { |
1327 |
|
|
local $cf::FREEZE = 1; |
1328 |
|
|
|
1329 |
|
|
warn "enter emergency map save\n"; |
1330 |
|
|
|
1331 |
|
|
cf::sync_job { |
1332 |
|
|
warn "begin emergency map save\n"; |
1333 |
|
|
$_->save for values %cf::MAP; |
1334 |
|
|
}; |
1335 |
|
|
|
1336 |
|
|
warn "end emergency map save\n"; |
1337 |
|
|
} |
1338 |
|
|
|
1339 |
|
|
package cf; |
1340 |
|
|
|
1341 |
|
|
=back |
1342 |
|
|
|
1343 |
|
|
|
1344 |
root |
1.95 |
=head3 cf::object::player |
1345 |
|
|
|
1346 |
|
|
=over 4 |
1347 |
|
|
|
1348 |
root |
1.79 |
=item $player_object->reply ($npc, $msg[, $flags]) |
1349 |
root |
1.28 |
|
1350 |
|
|
Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
1351 |
|
|
can be C<undef>. Does the right thing when the player is currently in a |
1352 |
|
|
dialogue with the given NPC character. |
1353 |
|
|
|
1354 |
|
|
=cut |
1355 |
|
|
|
1356 |
root |
1.22 |
# rough implementation of a future "reply" method that works |
1357 |
|
|
# with dialog boxes. |
1358 |
root |
1.95 |
#TODO: the first argument must go, split into a $npc->reply_to ( method |
1359 |
root |
1.23 |
sub cf::object::player::reply($$$;$) { |
1360 |
|
|
my ($self, $npc, $msg, $flags) = @_; |
1361 |
|
|
|
1362 |
|
|
$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
1363 |
root |
1.22 |
|
1364 |
root |
1.24 |
if ($self->{record_replies}) { |
1365 |
|
|
push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
1366 |
|
|
} else { |
1367 |
|
|
$msg = $npc->name . " says: $msg" if $npc; |
1368 |
|
|
$self->message ($msg, $flags); |
1369 |
|
|
} |
1370 |
root |
1.22 |
} |
1371 |
|
|
|
1372 |
root |
1.79 |
=item $player_object->may ("access") |
1373 |
|
|
|
1374 |
|
|
Returns wether the given player is authorized to access resource "access" |
1375 |
|
|
(e.g. "command_wizcast"). |
1376 |
|
|
|
1377 |
|
|
=cut |
1378 |
|
|
|
1379 |
|
|
sub cf::object::player::may { |
1380 |
|
|
my ($self, $access) = @_; |
1381 |
|
|
|
1382 |
|
|
$self->flag (cf::FLAG_WIZ) || |
1383 |
|
|
(ref $cf::CFG{"may_$access"} |
1384 |
|
|
? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
1385 |
|
|
: $cf::CFG{"may_$access"}) |
1386 |
|
|
} |
1387 |
root |
1.70 |
|
1388 |
root |
1.110 |
sub cf::object::player::enter_link { |
1389 |
|
|
my ($self) = @_; |
1390 |
|
|
|
1391 |
|
|
return if $self->map == $LINK_MAP; |
1392 |
|
|
|
1393 |
|
|
$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y] |
1394 |
|
|
if $self->map; |
1395 |
|
|
|
1396 |
|
|
$self->enter_map ($LINK_MAP, 20, 20); |
1397 |
|
|
$self->deactivate_recursive; |
1398 |
|
|
} |
1399 |
|
|
|
1400 |
|
|
sub cf::object::player::leave_link { |
1401 |
|
|
my ($self, $map, $x, $y) = @_; |
1402 |
|
|
|
1403 |
|
|
my $link_pos = delete $self->{_link_pos}; |
1404 |
|
|
|
1405 |
|
|
unless ($map) { |
1406 |
|
|
$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1407 |
|
|
|
1408 |
|
|
# restore original map position |
1409 |
|
|
($map, $x, $y) = @{ $link_pos || [] }; |
1410 |
|
|
$map = cf::map::find_map $map; |
1411 |
|
|
|
1412 |
|
|
unless ($map) { |
1413 |
|
|
($map, $x, $y) = @$EMERGENCY_POSITION; |
1414 |
|
|
$map = cf::map::find_map $map |
1415 |
|
|
or die "FATAL: cannot load emergency map\n"; |
1416 |
|
|
} |
1417 |
|
|
} |
1418 |
|
|
|
1419 |
|
|
($x, $y) = (-1, -1) |
1420 |
|
|
unless (defined $x) && (defined $y); |
1421 |
|
|
|
1422 |
|
|
# use -1 or undef as default coordinates, not 0, 0 |
1423 |
|
|
($x, $y) = ($map->enter_x, $map->enter_y) |
1424 |
|
|
if $x <=0 && $y <= 0; |
1425 |
|
|
|
1426 |
|
|
$map->load; |
1427 |
|
|
|
1428 |
|
|
$self->activate_recursive; |
1429 |
|
|
$self->enter_map ($map, $x, $y); |
1430 |
|
|
} |
1431 |
|
|
|
1432 |
|
|
=item $player_object->goto_map ($map, $x, $y) |
1433 |
|
|
|
1434 |
|
|
=cut |
1435 |
|
|
|
1436 |
|
|
sub cf::object::player::goto_map { |
1437 |
|
|
my ($self, $path, $x, $y) = @_; |
1438 |
|
|
|
1439 |
|
|
$self->enter_link; |
1440 |
|
|
|
1441 |
|
|
(Coro::async { |
1442 |
|
|
$path = new cf::path $path; |
1443 |
|
|
|
1444 |
|
|
my $map = cf::map::find_map $path->as_string; |
1445 |
|
|
$map = $map->customise_for ($self) if $map; |
1446 |
|
|
|
1447 |
|
|
warn "entering ", $map->path, " at ($x, $y)\n" |
1448 |
|
|
if $map; |
1449 |
|
|
|
1450 |
|
|
$self->leave_link ($map, $x, $y); |
1451 |
|
|
})->prio (1); |
1452 |
|
|
} |
1453 |
|
|
|
1454 |
|
|
=item $player_object->enter_exit ($exit_object) |
1455 |
|
|
|
1456 |
|
|
=cut |
1457 |
|
|
|
1458 |
|
|
sub parse_random_map_params { |
1459 |
|
|
my ($spec) = @_; |
1460 |
|
|
|
1461 |
|
|
my $rmp = { # defaults |
1462 |
|
|
xsize => 10, |
1463 |
|
|
ysize => 10, |
1464 |
|
|
}; |
1465 |
|
|
|
1466 |
|
|
for (split /\n/, $spec) { |
1467 |
|
|
my ($k, $v) = split /\s+/, $_, 2; |
1468 |
|
|
|
1469 |
|
|
$rmp->{lc $k} = $v if (length $k) && (length $v); |
1470 |
|
|
} |
1471 |
|
|
|
1472 |
|
|
$rmp |
1473 |
|
|
} |
1474 |
|
|
|
1475 |
|
|
sub prepare_random_map { |
1476 |
|
|
my ($exit) = @_; |
1477 |
|
|
|
1478 |
|
|
# all this does is basically replace the /! path by |
1479 |
|
|
# a new random map path (?random/...) with a seed |
1480 |
|
|
# that depends on the exit object |
1481 |
|
|
|
1482 |
|
|
my $rmp = parse_random_map_params $exit->msg; |
1483 |
|
|
|
1484 |
|
|
if ($exit->map) { |
1485 |
|
|
$rmp->{region} = $exit->map->region_name; |
1486 |
|
|
$rmp->{origin_map} = $exit->map->path; |
1487 |
|
|
$rmp->{origin_x} = $exit->x; |
1488 |
|
|
$rmp->{origin_y} = $exit->y; |
1489 |
|
|
} |
1490 |
|
|
|
1491 |
|
|
$rmp->{random_seed} ||= $exit->random_seed; |
1492 |
|
|
|
1493 |
|
|
my $data = cf::to_json $rmp; |
1494 |
|
|
my $md5 = Digest::MD5::md5_hex $data; |
1495 |
|
|
|
1496 |
|
|
if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { |
1497 |
|
|
aio_write $fh, 0, (length $data), $data, 0; |
1498 |
|
|
|
1499 |
|
|
$exit->slaying ("?random/$md5"); |
1500 |
|
|
$exit->msg (undef); |
1501 |
|
|
} |
1502 |
|
|
} |
1503 |
|
|
|
1504 |
|
|
sub cf::object::player::enter_exit { |
1505 |
|
|
my ($self, $exit) = @_; |
1506 |
|
|
|
1507 |
|
|
return unless $self->type == cf::PLAYER; |
1508 |
|
|
|
1509 |
|
|
$self->enter_link; |
1510 |
|
|
|
1511 |
|
|
(Coro::async { |
1512 |
|
|
unless (eval { |
1513 |
|
|
|
1514 |
|
|
prepare_random_map $exit |
1515 |
|
|
if $exit->slaying eq "/!"; |
1516 |
|
|
|
1517 |
|
|
my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; |
1518 |
|
|
$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); |
1519 |
|
|
|
1520 |
|
|
1; |
1521 |
|
|
}) { |
1522 |
|
|
$self->message ("Something went wrong deep within the crossfire server. " |
1523 |
|
|
. "I'll try to bring you back to the map you were before. " |
1524 |
|
|
. "Please report this to the dungeon master", |
1525 |
|
|
cf::NDI_UNIQUE | cf::NDI_RED); |
1526 |
|
|
|
1527 |
|
|
warn "ERROR in enter_exit: $@"; |
1528 |
|
|
$self->leave_link; |
1529 |
|
|
} |
1530 |
|
|
})->prio (1); |
1531 |
|
|
} |
1532 |
|
|
|
1533 |
root |
1.95 |
=head3 cf::client |
1534 |
|
|
|
1535 |
|
|
=over 4 |
1536 |
|
|
|
1537 |
|
|
=item $client->send_drawinfo ($text, $flags) |
1538 |
|
|
|
1539 |
|
|
Sends a drawinfo packet to the client. Circumvents output buffering so |
1540 |
|
|
should not be used under normal circumstances. |
1541 |
|
|
|
1542 |
root |
1.70 |
=cut |
1543 |
|
|
|
1544 |
root |
1.95 |
sub cf::client::send_drawinfo { |
1545 |
|
|
my ($self, $text, $flags) = @_; |
1546 |
|
|
|
1547 |
|
|
utf8::encode $text; |
1548 |
|
|
$self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
1549 |
|
|
} |
1550 |
|
|
|
1551 |
|
|
|
1552 |
|
|
=item $success = $client->query ($flags, "text", \&cb) |
1553 |
|
|
|
1554 |
|
|
Queues a query to the client, calling the given callback with |
1555 |
|
|
the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
1556 |
|
|
C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
1557 |
|
|
|
1558 |
|
|
Queries can fail, so check the return code. Or don't, as queries will become |
1559 |
|
|
reliable at some point in the future. |
1560 |
|
|
|
1561 |
|
|
=cut |
1562 |
|
|
|
1563 |
|
|
sub cf::client::query { |
1564 |
|
|
my ($self, $flags, $text, $cb) = @_; |
1565 |
|
|
|
1566 |
|
|
return unless $self->state == ST_PLAYING |
1567 |
|
|
|| $self->state == ST_SETUP |
1568 |
|
|
|| $self->state == ST_CUSTOM; |
1569 |
|
|
|
1570 |
|
|
$self->state (ST_CUSTOM); |
1571 |
|
|
|
1572 |
|
|
utf8::encode $text; |
1573 |
|
|
push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
1574 |
|
|
|
1575 |
|
|
$self->send_packet ($self->{query_queue}[0][0]) |
1576 |
|
|
if @{ $self->{query_queue} } == 1; |
1577 |
|
|
} |
1578 |
|
|
|
1579 |
|
|
cf::client->attach ( |
1580 |
|
|
on_reply => sub { |
1581 |
|
|
my ($ns, $msg) = @_; |
1582 |
|
|
|
1583 |
|
|
# this weird shuffling is so that direct followup queries |
1584 |
|
|
# get handled first |
1585 |
|
|
my $queue = delete $ns->{query_queue}; |
1586 |
|
|
|
1587 |
|
|
(shift @$queue)->[1]->($msg); |
1588 |
|
|
|
1589 |
|
|
push @{ $ns->{query_queue} }, @$queue; |
1590 |
|
|
|
1591 |
|
|
if (@{ $ns->{query_queue} } == @$queue) { |
1592 |
|
|
if (@$queue) { |
1593 |
|
|
$ns->send_packet ($ns->{query_queue}[0][0]); |
1594 |
|
|
} else { |
1595 |
root |
1.98 |
$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
1596 |
root |
1.95 |
} |
1597 |
|
|
} |
1598 |
|
|
}, |
1599 |
|
|
); |
1600 |
|
|
|
1601 |
root |
1.96 |
=item $client->coro (\&cb) |
1602 |
|
|
|
1603 |
|
|
Create a new coroutine, running the specified callback. The coroutine will |
1604 |
|
|
be automatically cancelled when the client gets destroyed (e.g. on logout, |
1605 |
|
|
or loss of connection). |
1606 |
|
|
|
1607 |
|
|
=cut |
1608 |
|
|
|
1609 |
|
|
sub cf::client::coro { |
1610 |
|
|
my ($self, $cb) = @_; |
1611 |
|
|
|
1612 |
|
|
my $coro; $coro = async { |
1613 |
|
|
eval { |
1614 |
|
|
$cb->(); |
1615 |
|
|
}; |
1616 |
|
|
warn $@ if $@; |
1617 |
root |
1.103 |
}; |
1618 |
|
|
|
1619 |
|
|
$coro->on_destroy (sub { |
1620 |
root |
1.96 |
delete $self->{_coro}{$coro+0}; |
1621 |
root |
1.103 |
}); |
1622 |
root |
1.96 |
|
1623 |
|
|
$self->{_coro}{$coro+0} = $coro; |
1624 |
root |
1.103 |
|
1625 |
|
|
$coro |
1626 |
root |
1.96 |
} |
1627 |
|
|
|
1628 |
|
|
cf::client->attach ( |
1629 |
|
|
on_destroy => sub { |
1630 |
|
|
my ($ns) = @_; |
1631 |
|
|
|
1632 |
root |
1.97 |
$_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
1633 |
root |
1.96 |
}, |
1634 |
|
|
); |
1635 |
|
|
|
1636 |
root |
1.95 |
=back |
1637 |
|
|
|
1638 |
root |
1.70 |
|
1639 |
|
|
=head2 SAFE SCRIPTING |
1640 |
|
|
|
1641 |
|
|
Functions that provide a safe environment to compile and execute |
1642 |
|
|
snippets of perl code without them endangering the safety of the server |
1643 |
|
|
itself. Looping constructs, I/O operators and other built-in functionality |
1644 |
|
|
is not available in the safe scripting environment, and the number of |
1645 |
root |
1.79 |
functions and methods that can be called is greatly reduced. |
1646 |
root |
1.70 |
|
1647 |
|
|
=cut |
1648 |
root |
1.23 |
|
1649 |
root |
1.42 |
our $safe = new Safe "safe"; |
1650 |
root |
1.23 |
our $safe_hole = new Safe::Hole; |
1651 |
|
|
|
1652 |
|
|
$SIG{FPE} = 'IGNORE'; |
1653 |
|
|
|
1654 |
|
|
$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
1655 |
|
|
|
1656 |
root |
1.25 |
# here we export the classes and methods available to script code |
1657 |
|
|
|
1658 |
root |
1.70 |
=pod |
1659 |
|
|
|
1660 |
|
|
The following fucntions and emthods are available within a safe environment: |
1661 |
|
|
|
1662 |
elmex |
1.91 |
cf::object contr pay_amount pay_player map |
1663 |
root |
1.70 |
cf::object::player player |
1664 |
|
|
cf::player peaceful |
1665 |
elmex |
1.91 |
cf::map trigger |
1666 |
root |
1.70 |
|
1667 |
|
|
=cut |
1668 |
|
|
|
1669 |
root |
1.25 |
for ( |
1670 |
elmex |
1.91 |
["cf::object" => qw(contr pay_amount pay_player map)], |
1671 |
root |
1.25 |
["cf::object::player" => qw(player)], |
1672 |
|
|
["cf::player" => qw(peaceful)], |
1673 |
elmex |
1.91 |
["cf::map" => qw(trigger)], |
1674 |
root |
1.25 |
) { |
1675 |
|
|
no strict 'refs'; |
1676 |
|
|
my ($pkg, @funs) = @$_; |
1677 |
root |
1.41 |
*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
1678 |
root |
1.25 |
for @funs; |
1679 |
|
|
} |
1680 |
root |
1.23 |
|
1681 |
root |
1.70 |
=over 4 |
1682 |
|
|
|
1683 |
|
|
=item @retval = safe_eval $code, [var => value, ...] |
1684 |
|
|
|
1685 |
|
|
Compiled and executes the given perl code snippet. additional var/value |
1686 |
|
|
pairs result in temporary local (my) scalar variables of the given name |
1687 |
|
|
that are available in the code snippet. Example: |
1688 |
|
|
|
1689 |
|
|
my $five = safe_eval '$first + $second', first => 1, second => 4; |
1690 |
|
|
|
1691 |
|
|
=cut |
1692 |
|
|
|
1693 |
root |
1.23 |
sub safe_eval($;@) { |
1694 |
|
|
my ($code, %vars) = @_; |
1695 |
|
|
|
1696 |
|
|
my $qcode = $code; |
1697 |
|
|
$qcode =~ s/"/‟/g; # not allowed in #line filenames |
1698 |
|
|
$qcode =~ s/\n/\\n/g; |
1699 |
|
|
|
1700 |
|
|
local $_; |
1701 |
root |
1.41 |
local @safe::cf::_safe_eval_args = values %vars; |
1702 |
root |
1.23 |
|
1703 |
root |
1.42 |
my $eval = |
1704 |
root |
1.23 |
"do {\n" |
1705 |
|
|
. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
1706 |
|
|
. "#line 0 \"{$qcode}\"\n" |
1707 |
|
|
. $code |
1708 |
|
|
. "\n}" |
1709 |
root |
1.25 |
; |
1710 |
|
|
|
1711 |
|
|
sub_generation_inc; |
1712 |
root |
1.42 |
my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
1713 |
root |
1.25 |
sub_generation_inc; |
1714 |
|
|
|
1715 |
root |
1.42 |
if ($@) { |
1716 |
|
|
warn "$@"; |
1717 |
|
|
warn "while executing safe code '$code'\n"; |
1718 |
|
|
warn "with arguments " . (join " ", %vars) . "\n"; |
1719 |
|
|
} |
1720 |
|
|
|
1721 |
root |
1.25 |
wantarray ? @res : $res[0] |
1722 |
root |
1.23 |
} |
1723 |
|
|
|
1724 |
root |
1.69 |
=item cf::register_script_function $function => $cb |
1725 |
|
|
|
1726 |
|
|
Register a function that can be called from within map/npc scripts. The |
1727 |
|
|
function should be reasonably secure and should be put into a package name |
1728 |
|
|
like the extension. |
1729 |
|
|
|
1730 |
|
|
Example: register a function that gets called whenever a map script calls |
1731 |
|
|
C<rent::overview>, as used by the C<rent> extension. |
1732 |
|
|
|
1733 |
|
|
cf::register_script_function "rent::overview" => sub { |
1734 |
|
|
... |
1735 |
|
|
}; |
1736 |
|
|
|
1737 |
|
|
=cut |
1738 |
|
|
|
1739 |
root |
1.23 |
sub register_script_function { |
1740 |
|
|
my ($fun, $cb) = @_; |
1741 |
|
|
|
1742 |
|
|
no strict 'refs'; |
1743 |
root |
1.41 |
*{"safe::$fun"} = $safe_hole->wrap ($cb); |
1744 |
root |
1.23 |
} |
1745 |
|
|
|
1746 |
root |
1.70 |
=back |
1747 |
|
|
|
1748 |
root |
1.71 |
=cut |
1749 |
|
|
|
1750 |
root |
1.23 |
############################################################################# |
1751 |
root |
1.65 |
|
1752 |
|
|
=head2 EXTENSION DATABASE SUPPORT |
1753 |
|
|
|
1754 |
|
|
Crossfire maintains a very simple database for extension use. It can |
1755 |
|
|
currently store anything that can be serialised using Storable, which |
1756 |
|
|
excludes objects. |
1757 |
|
|
|
1758 |
|
|
The parameter C<$family> should best start with the name of the extension |
1759 |
|
|
using it, it should be unique. |
1760 |
|
|
|
1761 |
|
|
=over 4 |
1762 |
|
|
|
1763 |
|
|
=item $hashref = cf::db_get $family |
1764 |
|
|
|
1765 |
|
|
Return a hashref for use by the extension C<$family>, which can be |
1766 |
|
|
modified. After modifications, you have to call C<cf::db_dirty> or |
1767 |
|
|
C<cf::db_sync>. |
1768 |
|
|
|
1769 |
|
|
=item $value = cf::db_get $family => $key |
1770 |
|
|
|
1771 |
|
|
Returns a single value from the database |
1772 |
|
|
|
1773 |
|
|
=item cf::db_put $family => $hashref |
1774 |
|
|
|
1775 |
|
|
Stores the given family hashref into the database. Updates are delayed, if |
1776 |
|
|
you want the data to be synced to disk immediately, use C<cf::db_sync>. |
1777 |
|
|
|
1778 |
|
|
=item cf::db_put $family => $key => $value |
1779 |
|
|
|
1780 |
|
|
Stores the given C<$value> in the family hash. Updates are delayed, if you |
1781 |
|
|
want the data to be synced to disk immediately, use C<cf::db_sync>. |
1782 |
|
|
|
1783 |
|
|
=item cf::db_dirty |
1784 |
|
|
|
1785 |
|
|
Marks the database as dirty, to be updated at a later time. |
1786 |
|
|
|
1787 |
|
|
=item cf::db_sync |
1788 |
|
|
|
1789 |
|
|
Immediately write the database to disk I<if it is dirty>. |
1790 |
|
|
|
1791 |
|
|
=cut |
1792 |
|
|
|
1793 |
root |
1.78 |
our $DB; |
1794 |
|
|
|
1795 |
root |
1.65 |
{ |
1796 |
root |
1.66 |
my $path = cf::localdir . "/database.pst"; |
1797 |
root |
1.65 |
|
1798 |
|
|
sub db_load() { |
1799 |
|
|
warn "loading database $path\n";#d# remove later |
1800 |
root |
1.78 |
$DB = stat $path ? Storable::retrieve $path : { }; |
1801 |
root |
1.65 |
} |
1802 |
|
|
|
1803 |
|
|
my $pid; |
1804 |
|
|
|
1805 |
|
|
sub db_save() { |
1806 |
|
|
warn "saving database $path\n";#d# remove later |
1807 |
|
|
waitpid $pid, 0 if $pid; |
1808 |
root |
1.67 |
if (0 == ($pid = fork)) { |
1809 |
root |
1.78 |
$DB->{_meta}{version} = 1; |
1810 |
|
|
Storable::nstore $DB, "$path~"; |
1811 |
root |
1.65 |
rename "$path~", $path; |
1812 |
|
|
cf::_exit 0 if defined $pid; |
1813 |
|
|
} |
1814 |
|
|
} |
1815 |
|
|
|
1816 |
|
|
my $dirty; |
1817 |
|
|
|
1818 |
|
|
sub db_sync() { |
1819 |
|
|
db_save if $dirty; |
1820 |
|
|
undef $dirty; |
1821 |
|
|
} |
1822 |
|
|
|
1823 |
root |
1.87 |
my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
1824 |
root |
1.65 |
db_sync; |
1825 |
|
|
}); |
1826 |
|
|
|
1827 |
|
|
sub db_dirty() { |
1828 |
|
|
$dirty = 1; |
1829 |
|
|
$idle->start; |
1830 |
|
|
} |
1831 |
|
|
|
1832 |
|
|
sub db_get($;$) { |
1833 |
|
|
@_ >= 2 |
1834 |
root |
1.78 |
? $DB->{$_[0]}{$_[1]} |
1835 |
|
|
: ($DB->{$_[0]} ||= { }) |
1836 |
root |
1.65 |
} |
1837 |
|
|
|
1838 |
|
|
sub db_put($$;$) { |
1839 |
|
|
if (@_ >= 3) { |
1840 |
root |
1.78 |
$DB->{$_[0]}{$_[1]} = $_[2]; |
1841 |
root |
1.65 |
} else { |
1842 |
root |
1.78 |
$DB->{$_[0]} = $_[1]; |
1843 |
root |
1.65 |
} |
1844 |
|
|
db_dirty; |
1845 |
|
|
} |
1846 |
root |
1.67 |
|
1847 |
root |
1.93 |
cf::global->attach ( |
1848 |
|
|
prio => 10000, |
1849 |
root |
1.67 |
on_cleanup => sub { |
1850 |
|
|
db_sync; |
1851 |
|
|
}, |
1852 |
root |
1.93 |
); |
1853 |
root |
1.65 |
} |
1854 |
|
|
|
1855 |
|
|
############################################################################# |
1856 |
root |
1.34 |
# the server's main() |
1857 |
|
|
|
1858 |
root |
1.73 |
sub cfg_load { |
1859 |
root |
1.72 |
open my $fh, "<:utf8", cf::confdir . "/config" |
1860 |
|
|
or return; |
1861 |
|
|
|
1862 |
|
|
local $/; |
1863 |
|
|
*CFG = YAML::Syck::Load <$fh>; |
1864 |
|
|
} |
1865 |
|
|
|
1866 |
root |
1.39 |
sub main { |
1867 |
root |
1.108 |
# we must not ever block the main coroutine |
1868 |
|
|
local $Coro::idle = sub { |
1869 |
|
|
Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d# |
1870 |
|
|
(Coro::unblock_sub { |
1871 |
|
|
Event::one_event; |
1872 |
|
|
})->(); |
1873 |
|
|
}; |
1874 |
|
|
|
1875 |
root |
1.73 |
cfg_load; |
1876 |
root |
1.65 |
db_load; |
1877 |
root |
1.61 |
load_extensions; |
1878 |
root |
1.34 |
Event::loop; |
1879 |
|
|
} |
1880 |
|
|
|
1881 |
|
|
############################################################################# |
1882 |
root |
1.22 |
# initialisation |
1883 |
|
|
|
1884 |
root |
1.111 |
sub reload() { |
1885 |
root |
1.106 |
# can/must only be called in main |
1886 |
|
|
if ($Coro::current != $Coro::main) { |
1887 |
|
|
warn "can only reload from main coroutine\n"; |
1888 |
|
|
return; |
1889 |
|
|
} |
1890 |
|
|
|
1891 |
root |
1.103 |
warn "reloading..."; |
1892 |
|
|
|
1893 |
root |
1.106 |
local $FREEZE = 1; |
1894 |
|
|
cf::emergency_save; |
1895 |
|
|
|
1896 |
root |
1.103 |
eval { |
1897 |
root |
1.106 |
# if anything goes wrong in here, we should simply crash as we already saved |
1898 |
root |
1.65 |
|
1899 |
|
|
# cancel all watchers |
1900 |
root |
1.87 |
for (Event::all_watchers) { |
1901 |
|
|
$_->cancel if $_->data & WF_AUTOCANCEL; |
1902 |
|
|
} |
1903 |
root |
1.65 |
|
1904 |
root |
1.103 |
# cancel all extension coros |
1905 |
|
|
$_->cancel for values %EXT_CORO; |
1906 |
|
|
%EXT_CORO = (); |
1907 |
|
|
|
1908 |
root |
1.65 |
# unload all extensions |
1909 |
|
|
for (@exts) { |
1910 |
root |
1.103 |
warn "unloading <$_>"; |
1911 |
root |
1.65 |
unload_extension $_; |
1912 |
|
|
} |
1913 |
|
|
|
1914 |
|
|
# unload all modules loaded from $LIBDIR |
1915 |
|
|
while (my ($k, $v) = each %INC) { |
1916 |
|
|
next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
1917 |
|
|
|
1918 |
root |
1.103 |
warn "removing <$k>"; |
1919 |
root |
1.65 |
delete $INC{$k}; |
1920 |
|
|
|
1921 |
|
|
$k =~ s/\.pm$//; |
1922 |
|
|
$k =~ s/\//::/g; |
1923 |
|
|
|
1924 |
|
|
if (my $cb = $k->can ("unload_module")) { |
1925 |
|
|
$cb->(); |
1926 |
|
|
} |
1927 |
|
|
|
1928 |
|
|
Symbol::delete_package $k; |
1929 |
|
|
} |
1930 |
|
|
|
1931 |
|
|
# sync database to disk |
1932 |
|
|
cf::db_sync; |
1933 |
root |
1.103 |
IO::AIO::flush; |
1934 |
root |
1.65 |
|
1935 |
|
|
# get rid of safe::, as good as possible |
1936 |
|
|
Symbol::delete_package "safe::$_" |
1937 |
root |
1.103 |
for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
1938 |
root |
1.65 |
|
1939 |
|
|
# remove register_script_function callbacks |
1940 |
|
|
# TODO |
1941 |
|
|
|
1942 |
|
|
# unload cf.pm "a bit" |
1943 |
|
|
delete $INC{"cf.pm"}; |
1944 |
|
|
|
1945 |
|
|
# don't, removes xs symbols, too, |
1946 |
|
|
# and global variables created in xs |
1947 |
|
|
#Symbol::delete_package __PACKAGE__; |
1948 |
|
|
|
1949 |
|
|
# reload cf.pm |
1950 |
root |
1.103 |
warn "reloading cf.pm"; |
1951 |
root |
1.65 |
require cf; |
1952 |
root |
1.100 |
cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
1953 |
|
|
|
1954 |
root |
1.73 |
# load config and database again |
1955 |
|
|
cf::cfg_load; |
1956 |
root |
1.65 |
cf::db_load; |
1957 |
|
|
|
1958 |
|
|
# load extensions |
1959 |
root |
1.103 |
warn "load extensions"; |
1960 |
root |
1.65 |
cf::load_extensions; |
1961 |
|
|
|
1962 |
|
|
# reattach attachments to objects |
1963 |
root |
1.103 |
warn "reattach"; |
1964 |
root |
1.65 |
_global_reattach; |
1965 |
|
|
}; |
1966 |
|
|
|
1967 |
root |
1.106 |
if ($@) { |
1968 |
|
|
warn $@; |
1969 |
|
|
warn "error while reloading, exiting."; |
1970 |
|
|
exit 1; |
1971 |
|
|
} |
1972 |
|
|
|
1973 |
|
|
warn "reloaded successfully"; |
1974 |
root |
1.65 |
}; |
1975 |
|
|
|
1976 |
root |
1.108 |
############################################################################# |
1977 |
|
|
|
1978 |
|
|
unless ($LINK_MAP) { |
1979 |
|
|
$LINK_MAP = cf::map::new; |
1980 |
|
|
|
1981 |
|
|
$LINK_MAP->width (41); |
1982 |
|
|
$LINK_MAP->height (41); |
1983 |
|
|
$LINK_MAP->alloc; |
1984 |
|
|
$LINK_MAP->path ("{link}"); |
1985 |
|
|
$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; |
1986 |
|
|
$LINK_MAP->in_memory (MAP_IN_MEMORY); |
1987 |
root |
1.110 |
|
1988 |
|
|
# dirty hack because... archetypes are not yet loaded |
1989 |
|
|
Event->timer ( |
1990 |
|
|
after => 2, |
1991 |
|
|
cb => sub { |
1992 |
|
|
$_[0]->w->cancel; |
1993 |
|
|
|
1994 |
|
|
# provide some exits "home" |
1995 |
|
|
my $exit = cf::object::new "exit"; |
1996 |
|
|
|
1997 |
|
|
$exit->slaying ($EMERGENCY_POSITION->[0]); |
1998 |
|
|
$exit->stats->hp ($EMERGENCY_POSITION->[1]); |
1999 |
|
|
$exit->stats->sp ($EMERGENCY_POSITION->[2]); |
2000 |
|
|
|
2001 |
|
|
$LINK_MAP->insert ($exit->clone, 19, 19); |
2002 |
|
|
$LINK_MAP->insert ($exit->clone, 19, 20); |
2003 |
|
|
$LINK_MAP->insert ($exit->clone, 19, 21); |
2004 |
|
|
$LINK_MAP->insert ($exit->clone, 20, 19); |
2005 |
|
|
$LINK_MAP->insert ($exit->clone, 20, 21); |
2006 |
|
|
$LINK_MAP->insert ($exit->clone, 21, 19); |
2007 |
|
|
$LINK_MAP->insert ($exit->clone, 21, 20); |
2008 |
|
|
$LINK_MAP->insert ($exit->clone, 21, 21); |
2009 |
|
|
|
2010 |
|
|
$exit->destroy; |
2011 |
|
|
}); |
2012 |
|
|
|
2013 |
|
|
$LINK_MAP->{deny_save} = 1; |
2014 |
|
|
$LINK_MAP->{deny_reset} = 1; |
2015 |
|
|
|
2016 |
|
|
$cf::MAP{$LINK_MAP->path} = $LINK_MAP; |
2017 |
root |
1.108 |
} |
2018 |
|
|
|
2019 |
root |
1.85 |
register "<global>", __PACKAGE__; |
2020 |
|
|
|
2021 |
root |
1.111 |
register_command "reload" => sub { |
2022 |
root |
1.65 |
my ($who, $arg) = @_; |
2023 |
|
|
|
2024 |
|
|
if ($who->flag (FLAG_WIZ)) { |
2025 |
root |
1.107 |
$who->message ("start of reload."); |
2026 |
root |
1.111 |
reload; |
2027 |
root |
1.107 |
$who->message ("end of reload."); |
2028 |
root |
1.65 |
} |
2029 |
|
|
}; |
2030 |
|
|
|
2031 |
root |
1.27 |
unshift @INC, $LIBDIR; |
2032 |
root |
1.17 |
|
2033 |
root |
1.35 |
$TICK_WATCHER = Event->timer ( |
2034 |
root |
1.104 |
reentrant => 0, |
2035 |
|
|
prio => 0, |
2036 |
|
|
at => $NEXT_TICK || $TICK, |
2037 |
|
|
data => WF_AUTOCANCEL, |
2038 |
|
|
cb => sub { |
2039 |
root |
1.103 |
unless ($FREEZE) { |
2040 |
|
|
cf::server_tick; # one server iteration |
2041 |
|
|
$RUNTIME += $TICK; |
2042 |
|
|
} |
2043 |
root |
1.35 |
|
2044 |
|
|
$NEXT_TICK += $TICK; |
2045 |
|
|
|
2046 |
root |
1.78 |
# if we are delayed by four ticks or more, skip them all |
2047 |
root |
1.103 |
$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2048 |
root |
1.35 |
|
2049 |
|
|
$TICK_WATCHER->at ($NEXT_TICK); |
2050 |
|
|
$TICK_WATCHER->start; |
2051 |
|
|
}, |
2052 |
|
|
); |
2053 |
|
|
|
2054 |
root |
1.80 |
IO::AIO::max_poll_time $TICK * 0.2; |
2055 |
root |
1.77 |
|
2056 |
root |
1.108 |
Event->io ( |
2057 |
|
|
fd => IO::AIO::poll_fileno, |
2058 |
|
|
poll => 'r', |
2059 |
|
|
prio => 5, |
2060 |
|
|
data => WF_AUTOCANCEL, |
2061 |
|
|
cb => \&IO::AIO::poll_cb, |
2062 |
|
|
); |
2063 |
|
|
|
2064 |
|
|
Event->timer ( |
2065 |
|
|
data => WF_AUTOCANCEL, |
2066 |
|
|
after => 0, |
2067 |
|
|
interval => 10, |
2068 |
|
|
cb => sub { |
2069 |
|
|
(Coro::unblock_sub { |
2070 |
|
|
write_runtime |
2071 |
|
|
or warn "ERROR: unable to write runtime file: $!"; |
2072 |
|
|
})->(); |
2073 |
|
|
}, |
2074 |
|
|
); |
2075 |
root |
1.103 |
|
2076 |
root |
1.1 |
1 |
2077 |
|
|
|