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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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root |
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 |
103 |
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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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root |
1.1 |
or return; |
110 |
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1.12 |
List::Util::max map &$_, values %$cb |
112 |
root |
1.1 |
} |
113 |
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114 |
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sub inject_command { |
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my ($name, $obj, $params) = @_; |
116 |
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for my $cmd (@{ $command{$name} }) { |
118 |
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$cmd->[1]->($obj, $params); |
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} |
120 |
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-1 |
122 |
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} |
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sub register_command { |
125 |
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my ($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 { |
135 |
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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, $caller]; |
141 |
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} |
142 |
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1.6 |
sub register { |
144 |
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my ($base, $pkg) = @_; |
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146 |
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for my $idx (0 .. $#EVENT) { |
147 |
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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 |
root |
1.1 |
my $pkg = $1; |
160 |
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$pkg =~ s/[^[:word:]]/_/g; |
161 |
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$pkg = "cf::ext::$pkg"; |
162 |
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163 |
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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: $!"; |
167 |
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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> }) |
172 |
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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} = $pkg; |
179 |
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1.1 |
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1.6 |
# no strict 'refs'; |
181 |
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1.23 |
# @{"$pkg\::ISA"} = ext::; |
182 |
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1.1 |
|
183 |
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1.6 |
register $base, $pkg; |
184 |
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1.1 |
} |
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186 |
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sub unload_extension { |
187 |
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my ($pkg) = @_; |
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189 |
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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) { |
201 |
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$command{$name} = \@cb; |
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$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
203 |
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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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} |
207 |
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} |
208 |
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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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214 |
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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} |
220 |
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221 |
root |
1.1 |
Symbol::delete_package $pkg; |
222 |
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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 $ext; |
231 |
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1 |
232 |
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} or warn "$ext not loaded: $@"; |
233 |
root |
1.1 |
} |
234 |
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} |
235 |
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236 |
root |
1.36 |
sub _perl_reload(&) { |
237 |
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my ($msg) = @_; |
238 |
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239 |
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$msg->("reloading..."); |
240 |
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241 |
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eval { |
242 |
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# 1. cancel all watchers |
243 |
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$_->cancel for Event::all_watchers; |
244 |
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245 |
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# 2. unload all extensions |
246 |
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for (@exts) { |
247 |
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$msg->("unloading <$_>"); |
248 |
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unload_extension $_; |
249 |
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} |
250 |
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251 |
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# 3. unload all modules loaded from $LIBDIR |
252 |
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while (my ($k, $v) = each %INC) { |
253 |
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next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
254 |
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255 |
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$msg->("removing <$k>"); |
256 |
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delete $INC{$k}; |
257 |
root |
1.1 |
|
258 |
root |
1.36 |
$k =~ s/\.pm$//; |
259 |
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$k =~ s/\//::/g; |
260 |
root |
1.3 |
|
261 |
root |
1.36 |
if (my $cb = $k->can ("unload_module")) { |
262 |
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$cb->(); |
263 |
root |
1.27 |
} |
264 |
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265 |
root |
1.36 |
Symbol::delete_package $k; |
266 |
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} |
267 |
root |
1.27 |
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268 |
root |
1.36 |
# 4. get rid of ext::, as good as possible |
269 |
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Symbol::delete_package "ext::$_" |
270 |
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for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
271 |
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272 |
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# 5. remove register_script_function callbacks |
273 |
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# TODO |
274 |
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275 |
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# 6. unload cf.pm "a bit" |
276 |
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delete $INC{"cf.pm"}; |
277 |
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278 |
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# don't, removes xs symbols, too |
279 |
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#Symbol::delete_package __PACKAGE__; |
280 |
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281 |
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# 7. reload cf.pm |
282 |
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$msg->("reloading cf.pm"); |
283 |
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require cf; |
284 |
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}; |
285 |
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$msg->($@) if $@; |
286 |
root |
1.27 |
|
287 |
root |
1.36 |
$msg->("reloaded"); |
288 |
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}; |
289 |
root |
1.27 |
|
290 |
root |
1.36 |
sub perl_reload() { |
291 |
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_perl_reload { |
292 |
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warn $_[0]; |
293 |
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print "$_[0]\n"; |
294 |
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}; |
295 |
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} |
296 |
root |
1.27 |
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297 |
root |
1.36 |
register_command "perl-reload", 0, sub { |
298 |
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my ($who, $arg) = @_; |
299 |
root |
1.27 |
|
300 |
root |
1.36 |
if ($who->flag (FLAG_WIZ)) { |
301 |
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_perl_reload { |
302 |
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warn $_[0]; |
303 |
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$who->message ($_[0]); |
304 |
root |
1.4 |
}; |
305 |
root |
1.1 |
} |
306 |
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}; |
307 |
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308 |
root |
1.8 |
############################################################################# |
309 |
root |
1.28 |
# utility functions |
310 |
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311 |
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use JSON::Syck (); # TODO# replace by JSON::PC once working |
312 |
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313 |
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sub from_json($) { |
314 |
root |
1.29 |
$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
315 |
root |
1.28 |
JSON::Syck::Load $_[0] |
316 |
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} |
317 |
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318 |
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sub to_json($) { |
319 |
root |
1.29 |
$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
320 |
root |
1.28 |
JSON::Syck::Dump $_[0] |
321 |
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} |
322 |
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323 |
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############################################################################# |
324 |
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# extcmd framework, basically convert ext <msg> |
325 |
root |
1.15 |
# into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
326 |
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327 |
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sub on_extcmd { |
328 |
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my ($pl, $buf) = @_; |
329 |
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330 |
root |
1.28 |
my $msg = eval { from_json $buf }; |
331 |
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332 |
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if (ref $msg) { |
333 |
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if (my $cb = $extcmd{$msg->{msgtype}}) { |
334 |
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if (my %reply = $cb->[0]->($pl, $msg)) { |
335 |
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$pl->ext_reply ($msg->{msgid}, %reply); |
336 |
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} |
337 |
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} |
338 |
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} else { |
339 |
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warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
340 |
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} |
341 |
root |
1.15 |
|
342 |
root |
1.28 |
1 |
343 |
root |
1.15 |
} |
344 |
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345 |
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############################################################################# |
346 |
root |
1.8 |
# load/save/clean perl data associated with a map |
347 |
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348 |
root |
1.7 |
*on_mapclean = sub { |
349 |
root |
1.13 |
my ($map) = @_; |
350 |
root |
1.7 |
|
351 |
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my $path = $map->tmpname; |
352 |
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defined $path or return; |
353 |
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354 |
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unlink "$path.cfperl"; |
355 |
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}; |
356 |
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357 |
root |
1.6 |
*on_mapin = |
358 |
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*on_mapload = sub { |
359 |
root |
1.13 |
my ($map) = @_; |
360 |
root |
1.6 |
|
361 |
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my $path = $map->tmpname; |
362 |
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$path = $map->path unless defined $path; |
363 |
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364 |
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open my $fh, "<:raw", "$path.cfperl" |
365 |
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or return; # no perl data |
366 |
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367 |
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my $data = Storable::thaw do { local $/; <$fh> }; |
368 |
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369 |
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$data->{version} <= 1 |
370 |
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or return; # too new |
371 |
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372 |
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$map->_set_obs ($data->{obs}); |
373 |
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}; |
374 |
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375 |
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*on_mapout = sub { |
376 |
root |
1.13 |
my ($map) = @_; |
377 |
root |
1.6 |
|
378 |
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my $path = $map->tmpname; |
379 |
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$path = $map->path unless defined $path; |
380 |
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381 |
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my $obs = $map->_get_obs; |
382 |
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383 |
|
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if (defined $obs) { |
384 |
|
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open my $fh, ">:raw", "$path.cfperl" |
385 |
|
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or die "$path.cfperl: $!"; |
386 |
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387 |
root |
1.8 |
stat $path; |
388 |
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389 |
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print $fh Storable::nfreeze { |
390 |
|
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size => (stat _)[7], |
391 |
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time => (stat _)[9], |
392 |
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version => 1, |
393 |
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obs => $obs, |
394 |
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}; |
395 |
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396 |
|
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chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
397 |
|
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} else { |
398 |
|
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unlink "$path.cfperl"; |
399 |
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} |
400 |
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}; |
401 |
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402 |
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############################################################################# |
403 |
|
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# load/save perl data associated with player->ob objects |
404 |
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|
405 |
root |
1.33 |
sub all_objects(@) { |
406 |
|
|
@_, map all_objects ($_->inv), @_ |
407 |
|
|
} |
408 |
|
|
|
409 |
root |
1.8 |
*on_player_load = sub { |
410 |
root |
1.13 |
my ($ob, $path) = @_; |
411 |
root |
1.8 |
|
412 |
root |
1.33 |
for my $o (all_objects $ob) { |
413 |
root |
1.11 |
if (my $value = $o->get_ob_key_value ("_perl_data")) { |
414 |
|
|
$o->set_ob_key_value ("_perl_data"); |
415 |
|
|
|
416 |
|
|
%$o = %{ Storable::thaw pack "H*", $value }; |
417 |
|
|
} |
418 |
|
|
} |
419 |
root |
1.8 |
}; |
420 |
|
|
|
421 |
|
|
*on_player_save = sub { |
422 |
root |
1.13 |
my ($ob, $path) = @_; |
423 |
root |
1.8 |
|
424 |
root |
1.11 |
$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
425 |
root |
1.33 |
for grep %$_, all_objects $ob; |
426 |
root |
1.6 |
}; |
427 |
|
|
|
428 |
root |
1.22 |
############################################################################# |
429 |
|
|
# core extensions - in perl |
430 |
|
|
|
431 |
root |
1.23 |
=item cf::player::exists $login |
432 |
|
|
|
433 |
|
|
Returns true when the given account exists. |
434 |
|
|
|
435 |
|
|
=cut |
436 |
|
|
|
437 |
|
|
sub cf::player::exists($) { |
438 |
|
|
cf::player::find $_[0] |
439 |
|
|
or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
440 |
|
|
} |
441 |
|
|
|
442 |
root |
1.28 |
=item $player->reply ($npc, $msg[, $flags]) |
443 |
|
|
|
444 |
|
|
Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
445 |
|
|
can be C<undef>. Does the right thing when the player is currently in a |
446 |
|
|
dialogue with the given NPC character. |
447 |
|
|
|
448 |
|
|
=cut |
449 |
|
|
|
450 |
root |
1.22 |
# rough implementation of a future "reply" method that works |
451 |
|
|
# with dialog boxes. |
452 |
root |
1.23 |
sub cf::object::player::reply($$$;$) { |
453 |
|
|
my ($self, $npc, $msg, $flags) = @_; |
454 |
|
|
|
455 |
|
|
$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
456 |
root |
1.22 |
|
457 |
root |
1.24 |
if ($self->{record_replies}) { |
458 |
|
|
push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
459 |
|
|
} else { |
460 |
|
|
$msg = $npc->name . " says: $msg" if $npc; |
461 |
|
|
$self->message ($msg, $flags); |
462 |
|
|
} |
463 |
root |
1.22 |
} |
464 |
|
|
|
465 |
root |
1.28 |
=item $player->ext_reply ($msgid, $msgtype, %msg) |
466 |
|
|
|
467 |
|
|
Sends an ext reply to the player. |
468 |
|
|
|
469 |
|
|
=cut |
470 |
|
|
|
471 |
|
|
sub cf::player::ext_reply($$$%) { |
472 |
|
|
my ($self, $id, %msg) = @_; |
473 |
|
|
|
474 |
|
|
$msg{msgid} = $id; |
475 |
|
|
|
476 |
|
|
$self->send ("ext " . to_json \%msg); |
477 |
|
|
} |
478 |
|
|
|
479 |
root |
1.22 |
############################################################################# |
480 |
root |
1.23 |
# map scripting support |
481 |
|
|
|
482 |
|
|
our $safe = new Safe "ext"; |
483 |
|
|
our $safe_hole = new Safe::Hole; |
484 |
|
|
|
485 |
|
|
$SIG{FPE} = 'IGNORE'; |
486 |
|
|
|
487 |
|
|
$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
488 |
|
|
|
489 |
root |
1.25 |
# here we export the classes and methods available to script code |
490 |
|
|
|
491 |
|
|
for ( |
492 |
root |
1.27 |
["cf::object" => qw(contr pay_amount pay_player)], |
493 |
root |
1.25 |
["cf::object::player" => qw(player)], |
494 |
|
|
["cf::player" => qw(peaceful)], |
495 |
|
|
) { |
496 |
|
|
no strict 'refs'; |
497 |
|
|
my ($pkg, @funs) = @$_; |
498 |
|
|
*{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
499 |
|
|
for @funs; |
500 |
|
|
} |
501 |
root |
1.23 |
|
502 |
|
|
sub safe_eval($;@) { |
503 |
|
|
my ($code, %vars) = @_; |
504 |
|
|
|
505 |
|
|
my $qcode = $code; |
506 |
|
|
$qcode =~ s/"/‟/g; # not allowed in #line filenames |
507 |
|
|
$qcode =~ s/\n/\\n/g; |
508 |
|
|
|
509 |
|
|
local $_; |
510 |
|
|
local @ext::cf::_safe_eval_args = values %vars; |
511 |
|
|
|
512 |
root |
1.25 |
$code = |
513 |
root |
1.23 |
"do {\n" |
514 |
|
|
. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
515 |
|
|
. "#line 0 \"{$qcode}\"\n" |
516 |
|
|
. $code |
517 |
|
|
. "\n}" |
518 |
root |
1.25 |
; |
519 |
|
|
|
520 |
|
|
sub_generation_inc; |
521 |
|
|
my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
522 |
|
|
sub_generation_inc; |
523 |
|
|
|
524 |
|
|
wantarray ? @res : $res[0] |
525 |
root |
1.23 |
} |
526 |
|
|
|
527 |
|
|
sub register_script_function { |
528 |
|
|
my ($fun, $cb) = @_; |
529 |
|
|
|
530 |
|
|
no strict 'refs'; |
531 |
|
|
*{"ext::$fun"} = $safe_hole->wrap ($cb); |
532 |
|
|
} |
533 |
|
|
|
534 |
|
|
############################################################################# |
535 |
root |
1.34 |
# the server's main() |
536 |
|
|
|
537 |
|
|
sub run { |
538 |
|
|
Event::loop; |
539 |
|
|
} |
540 |
|
|
|
541 |
|
|
############################################################################# |
542 |
root |
1.22 |
# initialisation |
543 |
|
|
|
544 |
root |
1.6 |
register "<global>", __PACKAGE__; |
545 |
|
|
|
546 |
root |
1.27 |
unshift @INC, $LIBDIR; |
547 |
root |
1.17 |
|
548 |
root |
1.1 |
load_extensions; |
549 |
|
|
|
550 |
root |
1.35 |
$TICK_WATCHER = Event->timer ( |
551 |
|
|
prio => 1, |
552 |
|
|
at => $NEXT_TICK || 1, |
553 |
|
|
cb => sub { |
554 |
|
|
cf::server_tick; # one server iteration |
555 |
|
|
|
556 |
|
|
my $NOW = Event::time; |
557 |
|
|
$NEXT_TICK += $TICK; |
558 |
|
|
|
559 |
root |
1.37 |
# if we are delayed by four ticks, skip them all |
560 |
|
|
$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
561 |
root |
1.35 |
|
562 |
|
|
$TICK_WATCHER->at ($NEXT_TICK); |
563 |
|
|
$TICK_WATCHER->start; |
564 |
|
|
}, |
565 |
|
|
); |
566 |
|
|
|
567 |
root |
1.1 |
1 |
568 |
|
|
|