| 1 |
package cf; |
| 2 |
|
| 3 |
use Symbol; |
| 4 |
use List::Util; |
| 5 |
use Storable; |
| 6 |
|
| 7 |
use strict; |
| 8 |
|
| 9 |
our %COMMAND; |
| 10 |
our @EVENT; |
| 11 |
our %PROP_TYPE; |
| 12 |
our %PROP_IDX; |
| 13 |
|
| 14 |
BEGIN { |
| 15 |
@EVENT = map lc, @EVENT; |
| 16 |
|
| 17 |
*CORE::GLOBAL::warn = sub { |
| 18 |
my $msg = join "", @_; |
| 19 |
$msg .= "\n" |
| 20 |
unless $msg =~ /\n$/; |
| 21 |
|
| 22 |
print STDERR "cfperl: $msg"; |
| 23 |
LOG llevError, "cfperl: $msg"; |
| 24 |
}; |
| 25 |
} |
| 26 |
|
| 27 |
my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
| 28 |
|
| 29 |
# generate property mutators |
| 30 |
sub prop_gen { |
| 31 |
my ($prefix, $class) = @_; |
| 32 |
|
| 33 |
no strict 'refs'; |
| 34 |
|
| 35 |
for my $prop (keys %PROP_TYPE) { |
| 36 |
$prop =~ /^\Q$prefix\E_(.*$)/ or next; |
| 37 |
my $sub = lc $1; |
| 38 |
|
| 39 |
my $type = $PROP_TYPE{$prop}; |
| 40 |
my $idx = $PROP_IDX {$prop}; |
| 41 |
|
| 42 |
*{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
| 43 |
$_[0]->get_property ($type, $idx) |
| 44 |
}; |
| 45 |
|
| 46 |
*{"$class\::set_$sub"} = sub { |
| 47 |
$_[0]->set_property ($type, $idx, $_[1]); |
| 48 |
} unless $ignore_set{$prop}; |
| 49 |
} |
| 50 |
} |
| 51 |
|
| 52 |
# auto-generate most of the API |
| 53 |
|
| 54 |
prop_gen OBJECT_PROP => "cf::object"; |
| 55 |
# CFAPI_OBJECT_ANIMATION? |
| 56 |
prop_gen PLAYER_PROP => "cf::object::player"; |
| 57 |
|
| 58 |
prop_gen MAP_PROP => "cf::map"; |
| 59 |
prop_gen ARCH_PROP => "cf::arch"; |
| 60 |
|
| 61 |
# guessed hierarchies |
| 62 |
|
| 63 |
@cf::object::player::ISA = 'cf::object'; |
| 64 |
@cf::object::map::ISA = 'cf::object'; |
| 65 |
|
| 66 |
my %ext_pkg; |
| 67 |
my @exts; |
| 68 |
my @hook; |
| 69 |
my %command; |
| 70 |
|
| 71 |
sub inject_event { |
| 72 |
my ($data) = @_; |
| 73 |
|
| 74 |
my $cb = $hook[$data->{event_code}]{$data->{extension}} |
| 75 |
or return; |
| 76 |
|
| 77 |
$cb->($data) |
| 78 |
} |
| 79 |
|
| 80 |
sub inject_global_event { |
| 81 |
my ($data) = @_; |
| 82 |
|
| 83 |
my $cb = $hook[$data->{event_code}] |
| 84 |
or return; |
| 85 |
|
| 86 |
$_->($data) for values %$cb; |
| 87 |
|
| 88 |
() |
| 89 |
} |
| 90 |
|
| 91 |
sub inject_command { |
| 92 |
my ($name, $obj, $params) = @_; |
| 93 |
|
| 94 |
for my $cmd (@{ $command{$name} }) { |
| 95 |
$cmd->[1]->($obj, $params); |
| 96 |
} |
| 97 |
|
| 98 |
-1 |
| 99 |
} |
| 100 |
|
| 101 |
sub register_command { |
| 102 |
my ($name, $time, $cb) = @_; |
| 103 |
|
| 104 |
my $caller = caller; |
| 105 |
|
| 106 |
warn "registering command '$name/$time' to '$caller'"; |
| 107 |
|
| 108 |
push @{ $command{$name} }, [$time, $cb, $caller]; |
| 109 |
$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
| 110 |
} |
| 111 |
|
| 112 |
sub register { |
| 113 |
my ($base, $pkg) = @_; |
| 114 |
|
| 115 |
for my $idx (0 .. $#EVENT) { |
| 116 |
if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
| 117 |
warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
| 118 |
$hook[$idx]{$base} = $ref; |
| 119 |
} |
| 120 |
} |
| 121 |
} |
| 122 |
|
| 123 |
sub load_extension { |
| 124 |
my ($path) = @_; |
| 125 |
|
| 126 |
$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
| 127 |
my $base = $1; |
| 128 |
my $pkg = $1; |
| 129 |
$pkg =~ s/[^[:word:]]/_/g; |
| 130 |
$pkg = "cf::ext::$pkg"; |
| 131 |
|
| 132 |
warn "loading '$path' into '$pkg'\n"; |
| 133 |
|
| 134 |
open my $fh, "<:utf8", $path |
| 135 |
or die "$path: $!"; |
| 136 |
|
| 137 |
my $source = |
| 138 |
"package $pkg; use strict; use utf8;\n" |
| 139 |
. "#line 1 \"$path\"\n{\n" |
| 140 |
. (do { local $/; <$fh> }) |
| 141 |
. "\n};\n1"; |
| 142 |
|
| 143 |
eval $source |
| 144 |
or die "$path: $@"; |
| 145 |
|
| 146 |
push @exts, $pkg; |
| 147 |
$ext_pkg{$base} = $pkg; |
| 148 |
|
| 149 |
# no strict 'refs'; |
| 150 |
# @{"$pkg\::ISA"} = cf::ext::; |
| 151 |
|
| 152 |
register $base, $pkg; |
| 153 |
} |
| 154 |
|
| 155 |
sub unload_extension { |
| 156 |
my ($pkg) = @_; |
| 157 |
|
| 158 |
warn "removing extension $pkg\n"; |
| 159 |
|
| 160 |
# remove hooks |
| 161 |
for my $idx (0 .. $#EVENT) { |
| 162 |
delete $hook[$idx]{$pkg}; |
| 163 |
} |
| 164 |
|
| 165 |
# remove commands |
| 166 |
for my $name (keys %command) { |
| 167 |
my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
| 168 |
|
| 169 |
if (@cb) { |
| 170 |
$command{$name} = \@cb; |
| 171 |
$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
| 172 |
} else { |
| 173 |
delete $command{$name}; |
| 174 |
delete $COMMAND{"$name\000"}; |
| 175 |
} |
| 176 |
} |
| 177 |
|
| 178 |
Symbol::delete_package $pkg; |
| 179 |
} |
| 180 |
|
| 181 |
sub load_extensions { |
| 182 |
my $LIBDIR = maps_directory "perl"; |
| 183 |
|
| 184 |
for my $ext (<$LIBDIR/*.ext>) { |
| 185 |
next unless -r $ext; |
| 186 |
eval { |
| 187 |
load_extension $ext; |
| 188 |
1 |
| 189 |
} or warn "$ext not loaded: $@"; |
| 190 |
} |
| 191 |
} |
| 192 |
|
| 193 |
register_command "perl-reload", 0, sub { |
| 194 |
my ($who, $arg) = @_; |
| 195 |
|
| 196 |
if ($who->flag (FLAG_WIZ)) { |
| 197 |
$who->message ("reloading..."); |
| 198 |
|
| 199 |
warn "reloading...\n"; |
| 200 |
eval { |
| 201 |
unload_extension $_ for @exts; |
| 202 |
delete $INC{"cf.pm"}; |
| 203 |
|
| 204 |
# don't, removes xs symbols, too |
| 205 |
#Symbol::delete_package $pkg; |
| 206 |
|
| 207 |
require cf; |
| 208 |
}; |
| 209 |
warn $@ if $@; |
| 210 |
$who->message ($@) if $@; |
| 211 |
warn "reloaded\n"; |
| 212 |
|
| 213 |
$who->message ("reloaded"); |
| 214 |
} else { |
| 215 |
$who->message ("Intruder Alert!"); |
| 216 |
} |
| 217 |
}; |
| 218 |
|
| 219 |
############################################################################# |
| 220 |
# load/save/clean perl data associated with a map |
| 221 |
|
| 222 |
*on_mapclean = sub { |
| 223 |
my $map = shift->{map}; |
| 224 |
|
| 225 |
my $path = $map->tmpname; |
| 226 |
defined $path or return; |
| 227 |
|
| 228 |
unlink "$path.cfperl"; |
| 229 |
}; |
| 230 |
|
| 231 |
*on_mapin = |
| 232 |
*on_mapload = sub { |
| 233 |
my $map = shift->{map}; |
| 234 |
|
| 235 |
my $path = $map->tmpname; |
| 236 |
$path = $map->path unless defined $path; |
| 237 |
|
| 238 |
open my $fh, "<:raw", "$path.cfperl" |
| 239 |
or return; # no perl data |
| 240 |
|
| 241 |
my $data = Storable::thaw do { local $/; <$fh> }; |
| 242 |
|
| 243 |
$data->{version} <= 1 |
| 244 |
or return; # too new |
| 245 |
|
| 246 |
$map->_set_obs ($data->{obs}); |
| 247 |
}; |
| 248 |
|
| 249 |
*on_mapout = sub { |
| 250 |
my $map = shift->{map}; |
| 251 |
|
| 252 |
my $path = $map->tmpname; |
| 253 |
$path = $map->path unless defined $path; |
| 254 |
|
| 255 |
my $obs = $map->_get_obs; |
| 256 |
|
| 257 |
if (defined $obs) { |
| 258 |
open my $fh, ">:raw", "$path.cfperl" |
| 259 |
or die "$path.cfperl: $!"; |
| 260 |
|
| 261 |
stat $path; |
| 262 |
|
| 263 |
print $fh Storable::nfreeze { |
| 264 |
size => (stat _)[7], |
| 265 |
time => (stat _)[9], |
| 266 |
version => 1, |
| 267 |
obs => $obs, |
| 268 |
}; |
| 269 |
|
| 270 |
chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
| 271 |
} else { |
| 272 |
unlink "$path.cfperl"; |
| 273 |
} |
| 274 |
}; |
| 275 |
|
| 276 |
############################################################################# |
| 277 |
# load/save perl data associated with player->ob objects |
| 278 |
|
| 279 |
*on_player_load = sub { |
| 280 |
my ($event) = @_; |
| 281 |
my $path = $event->{message}; |
| 282 |
my $ob = $event->{who}; |
| 283 |
|
| 284 |
open my $fh, "<:raw", "$path.cfperl" |
| 285 |
or return; # no perl data |
| 286 |
|
| 287 |
my $data = Storable::thaw do { local $/; <$fh> }; |
| 288 |
|
| 289 |
$data->{version} <= 1 |
| 290 |
or return; # too new |
| 291 |
|
| 292 |
%$ob = %{$data->{ob}}; |
| 293 |
}; |
| 294 |
|
| 295 |
*on_player_save = sub { |
| 296 |
my ($event) = @_; |
| 297 |
my $path = $event->{message}; |
| 298 |
my $ob = $event->{who}; |
| 299 |
|
| 300 |
if (keys %$ob) { |
| 301 |
open my $fh, ">:raw", "$path.cfperl" |
| 302 |
or die "$path.cfperl: $!"; |
| 303 |
|
| 304 |
stat $path; |
| 305 |
|
| 306 |
print $fh Storable::nfreeze { |
| 307 |
size => (stat _)[7], |
| 308 |
time => (stat _)[9], |
| 309 |
version => 1, |
| 310 |
ob => $ob, |
| 311 |
}; |
| 312 |
|
| 313 |
chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
| 314 |
} else { |
| 315 |
unlink "$path.cfperl"; |
| 316 |
} |
| 317 |
}; |
| 318 |
|
| 319 |
register "<global>", __PACKAGE__; |
| 320 |
|
| 321 |
load_extensions; |
| 322 |
|
| 323 |
1 |
| 324 |
|
