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root |
1.1 |
package cf; |
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use Symbol; |
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use List::Util; |
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root |
1.6 |
use Storable; |
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1.23 |
use Opcode; |
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use Safe; |
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use Safe::Hole; |
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1.19 |
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1.32 |
use Time::HiRes; |
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1.18 |
use Event; |
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1.19 |
$Event::Eval = 1; # no idea why this is required, but it is |
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1.1 |
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use strict; |
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our %COMMAND; |
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our @EVENT; |
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our %PROP_TYPE; |
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our %PROP_IDX; |
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1.27 |
our $LIBDIR = maps_directory "perl"; |
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1.1 |
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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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1.1 |
BEGIN { |
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@EVENT = map lc, @EVENT; |
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*CORE::GLOBAL::warn = sub { |
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my $msg = join "", @_; |
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$msg .= "\n" |
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unless $msg =~ /\n$/; |
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print STDERR "cfperl: $msg"; |
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LOG llevError, "cfperl: $msg"; |
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}; |
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} |
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1.9 |
my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
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1.1 |
# generate property mutators |
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sub prop_gen { |
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my ($prefix, $class) = @_; |
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no strict 'refs'; |
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for my $prop (keys %PROP_TYPE) { |
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$prop =~ /^\Q$prefix\E_(.*$)/ or next; |
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my $sub = lc $1; |
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my $type = $PROP_TYPE{$prop}; |
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my $idx = $PROP_IDX {$prop}; |
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*{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
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$_[0]->get_property ($type, $idx) |
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}; |
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*{"$class\::set_$sub"} = sub { |
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$_[0]->set_property ($type, $idx, $_[1]); |
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root |
1.9 |
} unless $ignore_set{$prop}; |
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1.1 |
} |
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} |
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# auto-generate most of the API |
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prop_gen OBJECT_PROP => "cf::object"; |
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# CFAPI_OBJECT_ANIMATION? |
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prop_gen PLAYER_PROP => "cf::object::player"; |
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prop_gen MAP_PROP => "cf::map"; |
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prop_gen ARCH_PROP => "cf::arch"; |
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# guessed hierarchies |
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1.25 |
@ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
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@ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
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# we bless all objects into derived classes to force a method lookup |
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# within the Safe compartment. |
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elmex |
1.30 |
for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
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1.25 |
no strict 'refs'; |
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@{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
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} |
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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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my %command; |
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1.15 |
my %extcmd; |
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1.1 |
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sub inject_event { |
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1.14 |
my $extension = shift; |
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my $event_code = shift; |
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1.1 |
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1.14 |
my $cb = $hook[$event_code]{$extension} |
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1.5 |
or return; |
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1.14 |
&$cb |
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1.5 |
} |
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sub inject_global_event { |
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1.12 |
my $event = shift; |
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1.5 |
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1.12 |
my $cb = $hook[$event] |
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1.1 |
or return; |
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1.12 |
List::Util::max map &$_, values %$cb |
112 |
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1.1 |
} |
113 |
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sub inject_command { |
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my ($name, $obj, $params) = @_; |
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for my $cmd (@{ $command{$name} }) { |
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$cmd->[1]->($obj, $params); |
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} |
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-1 |
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} |
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sub register_command { |
125 |
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my ($name, $time, $cb) = @_; |
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my $caller = caller; |
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1.16 |
#warn "registering command '$name/$time' to '$caller'"; |
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1.4 |
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1.1 |
push @{ $command{$name} }, [$time, $cb, $caller]; |
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$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
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} |
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1.16 |
sub register_extcmd { |
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my ($name, $cb) = @_; |
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my $caller = caller; |
138 |
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#warn "registering extcmd '$name' to '$caller'"; |
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140 |
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$extcmd{$name} = [$cb, $caller]; |
141 |
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} |
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1.6 |
sub register { |
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my ($base, $pkg) = @_; |
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146 |
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for my $idx (0 .. $#EVENT) { |
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if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
148 |
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1.16 |
#warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
149 |
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1.6 |
$hook[$idx]{$base} = $ref; |
150 |
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} |
151 |
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} |
152 |
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} |
153 |
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154 |
root |
1.1 |
sub load_extension { |
155 |
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my ($path) = @_; |
156 |
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157 |
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$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
158 |
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1.5 |
my $base = $1; |
159 |
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1.1 |
my $pkg = $1; |
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$pkg =~ s/[^[:word:]]/_/g; |
161 |
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$pkg = "cf::ext::$pkg"; |
162 |
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warn "loading '$path' into '$pkg'\n"; |
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open my $fh, "<:utf8", $path |
166 |
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or die "$path: $!"; |
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168 |
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my $source = |
169 |
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"package $pkg; use strict; use utf8;\n" |
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. "#line 1 \"$path\"\n{\n" |
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. (do { local $/; <$fh> }) |
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. "\n};\n1"; |
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174 |
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eval $source |
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or die "$path: $@"; |
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push @exts, $pkg; |
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1.5 |
$ext_pkg{$base} = $pkg; |
179 |
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1.1 |
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1.6 |
# no strict 'refs'; |
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1.23 |
# @{"$pkg\::ISA"} = ext::; |
182 |
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1.1 |
|
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1.6 |
register $base, $pkg; |
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1.1 |
} |
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186 |
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sub unload_extension { |
187 |
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my ($pkg) = @_; |
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warn "removing extension $pkg\n"; |
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191 |
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# remove hooks |
192 |
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for my $idx (0 .. $#EVENT) { |
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delete $hook[$idx]{$pkg}; |
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} |
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# remove commands |
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for my $name (keys %command) { |
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my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
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200 |
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if (@cb) { |
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$command{$name} = \@cb; |
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$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
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} else { |
204 |
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delete $command{$name}; |
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delete $COMMAND{"$name\000"}; |
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} |
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} |
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209 |
root |
1.15 |
# remove extcmds |
210 |
root |
1.16 |
for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
211 |
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delete $extcmd{$name}; |
212 |
root |
1.15 |
} |
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elmex |
1.31 |
if (my $cb = $pkg->can ("on_unload")) { |
215 |
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eval { |
216 |
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$cb->($pkg); |
217 |
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1 |
218 |
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} or warn "$pkg unloaded, but with errors: $@"; |
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} |
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root |
1.1 |
Symbol::delete_package $pkg; |
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} |
223 |
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224 |
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sub load_extensions { |
225 |
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my $LIBDIR = maps_directory "perl"; |
226 |
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227 |
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for my $ext (<$LIBDIR/*.ext>) { |
228 |
root |
1.3 |
next unless -r $ext; |
229 |
root |
1.2 |
eval { |
230 |
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load_extension $ext; |
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1 |
232 |
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} or warn "$ext not loaded: $@"; |
233 |
root |
1.1 |
} |
234 |
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} |
235 |
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236 |
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register_command "perl-reload", 0, sub { |
237 |
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my ($who, $arg) = @_; |
238 |
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239 |
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if ($who->flag (FLAG_WIZ)) { |
240 |
root |
1.3 |
$who->message ("reloading..."); |
241 |
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242 |
root |
1.1 |
warn "reloading...\n"; |
243 |
root |
1.4 |
eval { |
244 |
root |
1.27 |
# 1. cancel all watchers |
245 |
root |
1.20 |
$_->cancel for Event::all_watchers; |
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247 |
root |
1.27 |
# 2. unload all extensions |
248 |
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for (@exts) { |
249 |
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$who->message ("unloading <$_>"); |
250 |
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unload_extension $_; |
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} |
252 |
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# 3. unload all modules loaded from $LIBDIR |
254 |
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while (my ($k, $v) = each %INC) { |
255 |
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next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
256 |
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257 |
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$who->message ("removing <$k>"); |
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delete $INC{$k}; |
259 |
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260 |
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$k =~ s/\.pm$//; |
261 |
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$k =~ s/\//::/g; |
262 |
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263 |
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if (my $cb = $k->can ("unload_module")) { |
264 |
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$cb->(); |
265 |
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} |
266 |
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267 |
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Symbol::delete_package $k; |
268 |
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} |
269 |
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270 |
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# 4. get rid of ext::, as good as possible |
271 |
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Symbol::delete_package "ext::$_" |
272 |
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for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
273 |
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274 |
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# 5. remove register_script_function callbacks |
275 |
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# TODO |
276 |
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277 |
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# 6. unload cf.pm "a bit" |
278 |
root |
1.4 |
delete $INC{"cf.pm"}; |
279 |
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280 |
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# don't, removes xs symbols, too |
281 |
root |
1.21 |
#Symbol::delete_package __PACKAGE__; |
282 |
root |
1.4 |
|
283 |
root |
1.27 |
# 7. reload cf.pm |
284 |
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$who->message ("reloading cf.pm"); |
285 |
root |
1.4 |
require cf; |
286 |
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}; |
287 |
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warn $@ if $@; |
288 |
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$who->message ($@) if $@; |
289 |
root |
1.1 |
warn "reloaded\n"; |
290 |
root |
1.3 |
|
291 |
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$who->message ("reloaded"); |
292 |
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} else { |
293 |
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$who->message ("Intruder Alert!"); |
294 |
root |
1.1 |
} |
295 |
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}; |
296 |
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297 |
root |
1.8 |
############################################################################# |
298 |
root |
1.28 |
# utility functions |
299 |
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300 |
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use JSON::Syck (); # TODO# replace by JSON::PC once working |
301 |
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302 |
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sub from_json($) { |
303 |
root |
1.29 |
$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
304 |
root |
1.28 |
JSON::Syck::Load $_[0] |
305 |
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} |
306 |
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307 |
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sub to_json($) { |
308 |
root |
1.29 |
$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
309 |
root |
1.28 |
JSON::Syck::Dump $_[0] |
310 |
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} |
311 |
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312 |
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############################################################################# |
313 |
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# extcmd framework, basically convert ext <msg> |
314 |
root |
1.15 |
# into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
315 |
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316 |
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sub on_extcmd { |
317 |
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my ($pl, $buf) = @_; |
318 |
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319 |
root |
1.28 |
my $msg = eval { from_json $buf }; |
320 |
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321 |
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if (ref $msg) { |
322 |
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if (my $cb = $extcmd{$msg->{msgtype}}) { |
323 |
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if (my %reply = $cb->[0]->($pl, $msg)) { |
324 |
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$pl->ext_reply ($msg->{msgid}, %reply); |
325 |
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} |
326 |
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} |
327 |
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} else { |
328 |
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warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
329 |
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} |
330 |
root |
1.15 |
|
331 |
root |
1.28 |
1 |
332 |
root |
1.15 |
} |
333 |
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334 |
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############################################################################# |
335 |
root |
1.8 |
# load/save/clean perl data associated with a map |
336 |
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337 |
root |
1.7 |
*on_mapclean = sub { |
338 |
root |
1.13 |
my ($map) = @_; |
339 |
root |
1.7 |
|
340 |
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my $path = $map->tmpname; |
341 |
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defined $path or return; |
342 |
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343 |
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unlink "$path.cfperl"; |
344 |
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}; |
345 |
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346 |
root |
1.6 |
*on_mapin = |
347 |
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*on_mapload = sub { |
348 |
root |
1.13 |
my ($map) = @_; |
349 |
root |
1.6 |
|
350 |
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my $path = $map->tmpname; |
351 |
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$path = $map->path unless defined $path; |
352 |
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353 |
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open my $fh, "<:raw", "$path.cfperl" |
354 |
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or return; # no perl data |
355 |
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356 |
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my $data = Storable::thaw do { local $/; <$fh> }; |
357 |
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358 |
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$data->{version} <= 1 |
359 |
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or return; # too new |
360 |
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361 |
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$map->_set_obs ($data->{obs}); |
362 |
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}; |
363 |
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364 |
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*on_mapout = sub { |
365 |
root |
1.13 |
my ($map) = @_; |
366 |
root |
1.6 |
|
367 |
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my $path = $map->tmpname; |
368 |
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$path = $map->path unless defined $path; |
369 |
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370 |
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my $obs = $map->_get_obs; |
371 |
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372 |
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if (defined $obs) { |
373 |
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open my $fh, ">:raw", "$path.cfperl" |
374 |
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or die "$path.cfperl: $!"; |
375 |
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376 |
root |
1.8 |
stat $path; |
377 |
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378 |
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print $fh Storable::nfreeze { |
379 |
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size => (stat _)[7], |
380 |
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time => (stat _)[9], |
381 |
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version => 1, |
382 |
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obs => $obs, |
383 |
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}; |
384 |
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385 |
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chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
386 |
|
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} else { |
387 |
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unlink "$path.cfperl"; |
388 |
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} |
389 |
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}; |
390 |
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391 |
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############################################################################# |
392 |
|
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# load/save perl data associated with player->ob objects |
393 |
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|
394 |
root |
1.33 |
sub all_objects(@) { |
395 |
|
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@_, map all_objects ($_->inv), @_ |
396 |
|
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} |
397 |
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|
398 |
root |
1.8 |
*on_player_load = sub { |
399 |
root |
1.13 |
my ($ob, $path) = @_; |
400 |
root |
1.8 |
|
401 |
root |
1.33 |
for my $o (all_objects $ob) { |
402 |
root |
1.11 |
if (my $value = $o->get_ob_key_value ("_perl_data")) { |
403 |
|
|
$o->set_ob_key_value ("_perl_data"); |
404 |
|
|
|
405 |
|
|
%$o = %{ Storable::thaw pack "H*", $value }; |
406 |
|
|
} |
407 |
|
|
} |
408 |
root |
1.8 |
}; |
409 |
|
|
|
410 |
|
|
*on_player_save = sub { |
411 |
root |
1.13 |
my ($ob, $path) = @_; |
412 |
root |
1.8 |
|
413 |
root |
1.11 |
$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
414 |
root |
1.33 |
for grep %$_, all_objects $ob; |
415 |
root |
1.6 |
}; |
416 |
|
|
|
417 |
root |
1.22 |
############################################################################# |
418 |
|
|
# core extensions - in perl |
419 |
|
|
|
420 |
root |
1.23 |
=item cf::player::exists $login |
421 |
|
|
|
422 |
|
|
Returns true when the given account exists. |
423 |
|
|
|
424 |
|
|
=cut |
425 |
|
|
|
426 |
|
|
sub cf::player::exists($) { |
427 |
|
|
cf::player::find $_[0] |
428 |
|
|
or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
429 |
|
|
} |
430 |
|
|
|
431 |
root |
1.28 |
=item $player->reply ($npc, $msg[, $flags]) |
432 |
|
|
|
433 |
|
|
Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
434 |
|
|
can be C<undef>. Does the right thing when the player is currently in a |
435 |
|
|
dialogue with the given NPC character. |
436 |
|
|
|
437 |
|
|
=cut |
438 |
|
|
|
439 |
root |
1.22 |
# rough implementation of a future "reply" method that works |
440 |
|
|
# with dialog boxes. |
441 |
root |
1.23 |
sub cf::object::player::reply($$$;$) { |
442 |
|
|
my ($self, $npc, $msg, $flags) = @_; |
443 |
|
|
|
444 |
|
|
$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
445 |
root |
1.22 |
|
446 |
root |
1.24 |
if ($self->{record_replies}) { |
447 |
|
|
push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
448 |
|
|
} else { |
449 |
|
|
$msg = $npc->name . " says: $msg" if $npc; |
450 |
|
|
$self->message ($msg, $flags); |
451 |
|
|
} |
452 |
root |
1.22 |
} |
453 |
|
|
|
454 |
root |
1.28 |
=item $player->ext_reply ($msgid, $msgtype, %msg) |
455 |
|
|
|
456 |
|
|
Sends an ext reply to the player. |
457 |
|
|
|
458 |
|
|
=cut |
459 |
|
|
|
460 |
|
|
sub cf::player::ext_reply($$$%) { |
461 |
|
|
my ($self, $id, %msg) = @_; |
462 |
|
|
|
463 |
|
|
$msg{msgid} = $id; |
464 |
|
|
|
465 |
|
|
$self->send ("ext " . to_json \%msg); |
466 |
|
|
} |
467 |
|
|
|
468 |
root |
1.22 |
############################################################################# |
469 |
root |
1.23 |
# map scripting support |
470 |
|
|
|
471 |
|
|
our $safe = new Safe "ext"; |
472 |
|
|
our $safe_hole = new Safe::Hole; |
473 |
|
|
|
474 |
|
|
$SIG{FPE} = 'IGNORE'; |
475 |
|
|
|
476 |
|
|
$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
477 |
|
|
|
478 |
root |
1.25 |
# here we export the classes and methods available to script code |
479 |
|
|
|
480 |
|
|
for ( |
481 |
root |
1.27 |
["cf::object" => qw(contr pay_amount pay_player)], |
482 |
root |
1.25 |
["cf::object::player" => qw(player)], |
483 |
|
|
["cf::player" => qw(peaceful)], |
484 |
|
|
) { |
485 |
|
|
no strict 'refs'; |
486 |
|
|
my ($pkg, @funs) = @$_; |
487 |
|
|
*{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
488 |
|
|
for @funs; |
489 |
|
|
} |
490 |
root |
1.23 |
|
491 |
|
|
sub safe_eval($;@) { |
492 |
|
|
my ($code, %vars) = @_; |
493 |
|
|
|
494 |
|
|
my $qcode = $code; |
495 |
|
|
$qcode =~ s/"/‟/g; # not allowed in #line filenames |
496 |
|
|
$qcode =~ s/\n/\\n/g; |
497 |
|
|
|
498 |
|
|
local $_; |
499 |
|
|
local @ext::cf::_safe_eval_args = values %vars; |
500 |
|
|
|
501 |
root |
1.25 |
$code = |
502 |
root |
1.23 |
"do {\n" |
503 |
|
|
. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
504 |
|
|
. "#line 0 \"{$qcode}\"\n" |
505 |
|
|
. $code |
506 |
|
|
. "\n}" |
507 |
root |
1.25 |
; |
508 |
|
|
|
509 |
|
|
sub_generation_inc; |
510 |
|
|
my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
511 |
|
|
sub_generation_inc; |
512 |
|
|
|
513 |
|
|
wantarray ? @res : $res[0] |
514 |
root |
1.23 |
} |
515 |
|
|
|
516 |
|
|
sub register_script_function { |
517 |
|
|
my ($fun, $cb) = @_; |
518 |
|
|
|
519 |
|
|
no strict 'refs'; |
520 |
|
|
*{"ext::$fun"} = $safe_hole->wrap ($cb); |
521 |
|
|
} |
522 |
|
|
|
523 |
|
|
############################################################################# |
524 |
root |
1.34 |
# the server's main() |
525 |
|
|
|
526 |
|
|
sub run { |
527 |
|
|
Event::loop; |
528 |
|
|
} |
529 |
|
|
|
530 |
|
|
############################################################################# |
531 |
root |
1.22 |
# initialisation |
532 |
|
|
|
533 |
root |
1.6 |
register "<global>", __PACKAGE__; |
534 |
|
|
|
535 |
root |
1.27 |
unshift @INC, $LIBDIR; |
536 |
root |
1.17 |
|
537 |
root |
1.1 |
load_extensions; |
538 |
|
|
|
539 |
root |
1.35 |
$TICK_WATCHER = Event->timer ( |
540 |
|
|
prio => 1, |
541 |
|
|
at => $NEXT_TICK || 1, |
542 |
|
|
cb => sub { |
543 |
|
|
cf::server_tick; # one server iteration |
544 |
|
|
|
545 |
|
|
my $NOW = Event::time; |
546 |
|
|
$NEXT_TICK += $TICK; |
547 |
|
|
|
548 |
|
|
# if we are delayed by > 0.25 second, skip ticks |
549 |
|
|
$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + .25; |
550 |
|
|
|
551 |
|
|
$TICK_WATCHER->at ($NEXT_TICK); |
552 |
|
|
$TICK_WATCHER->start; |
553 |
|
|
}, |
554 |
|
|
); |
555 |
|
|
|
556 |
root |
1.1 |
1 |
557 |
|
|
|