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/cvs/deliantra/server/lib/cf.pm
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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.6 by root, Tue Mar 7 01:37:06 2006 UTC vs.
Revision 1.23 by root, Wed Jul 19 22:19:19 2006 UTC

1package cf; 1package cf;
2 2
3use Symbol; 3use Symbol;
4use List::Util; 4use List::Util;
5use Storable; 5use Storable;
6use Opcode;
7use Safe;
8use Safe::Hole;
9
10use Event;
11$Event::Eval = 1; # no idea why this is required, but it is
6 12
7use strict; 13use strict;
8 14
9our %COMMAND; 15our %COMMAND;
10our @EVENT; 16our @EVENT;
… …
22 print STDERR "cfperl: $msg"; 28 print STDERR "cfperl: $msg";
23 LOG llevError, "cfperl: $msg"; 29 LOG llevError, "cfperl: $msg";
24 }; 30 };
25} 31}
26 32
33my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply!
34
27# generate property mutators 35# generate property mutators
28sub prop_gen { 36sub prop_gen {
29 my ($prefix, $class) = @_; 37 my ($prefix, $class) = @_;
30 38
31 no strict 'refs'; 39 no strict 'refs';
… …
41 $_[0]->get_property ($type, $idx) 49 $_[0]->get_property ($type, $idx)
42 }; 50 };
43 51
44 *{"$class\::set_$sub"} = sub { 52 *{"$class\::set_$sub"} = sub {
45 $_[0]->set_property ($type, $idx, $_[1]); 53 $_[0]->set_property ($type, $idx, $_[1]);
46 }; 54 } unless $ignore_set{$prop};
47 } 55 }
48} 56}
49 57
50# auto-generate most of the API 58# auto-generate most of the API
51 59
… …
58 66
59# guessed hierarchies 67# guessed hierarchies
60 68
61@cf::object::player::ISA = 'cf::object'; 69@cf::object::player::ISA = 'cf::object';
62@cf::object::map::ISA = 'cf::object'; 70@cf::object::map::ISA = 'cf::object';
71
72$Event::DIED = sub {
73 warn "error in event callback: @_";
74};
63 75
64my %ext_pkg; 76my %ext_pkg;
65my @exts; 77my @exts;
66my @hook; 78my @hook;
67my %command; 79my %command;
80my %extcmd;
68 81
69sub inject_event { 82sub inject_event {
70 my ($data) = @_; 83 my $extension = shift;
84 my $event_code = shift;
71 85
72 my $cb = $hook[$data->{event_code}]{$data->{extension}} 86 my $cb = $hook[$event_code]{$extension}
73 or return; 87 or return;
74 88
75 $cb->($data) 89 &$cb
76} 90}
77 91
78sub inject_global_event { 92sub inject_global_event {
79 my ($data) = @_; 93 my $event = shift;
80 94
81 my $cb = $hook[$data->{event_code}] 95 my $cb = $hook[$event]
82 or return; 96 or return;
83 97
84 $_->($data) for values %$cb; 98 List::Util::max map &$_, values %$cb
85
86 ()
87} 99}
88 100
89sub inject_command { 101sub inject_command {
90 my ($name, $obj, $params) = @_; 102 my ($name, $obj, $params) = @_;
91 103
… …
98 110
99sub register_command { 111sub register_command {
100 my ($name, $time, $cb) = @_; 112 my ($name, $time, $cb) = @_;
101 113
102 my $caller = caller; 114 my $caller = caller;
103
104 warn "registering command '$name/$time' to '$caller'"; 115 #warn "registering command '$name/$time' to '$caller'";
105 116
106 push @{ $command{$name} }, [$time, $cb, $caller]; 117 push @{ $command{$name} }, [$time, $cb, $caller];
107 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; 118 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
108} 119}
109 120
121sub register_extcmd {
122 my ($name, $cb) = @_;
123
124 my $caller = caller;
125 #warn "registering extcmd '$name' to '$caller'";
126
127 $extcmd{$name} = [$cb, $caller];
128}
129
110sub register { 130sub register {
111 my ($base, $pkg) = @_; 131 my ($base, $pkg) = @_;
112 132
113 for my $idx (0 .. $#EVENT) { 133 for my $idx (0 .. $#EVENT) {
114 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { 134 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
115 warn "registering $EVENT[$idx] hook to '$pkg'\n"; 135 #warn "registering $EVENT[$idx] hook to '$pkg'\n";
116 $hook[$idx]{$base} = $ref; 136 $hook[$idx]{$base} = $ref;
117 } 137 }
118 } 138 }
119} 139}
120 140
… …
143 163
144 push @exts, $pkg; 164 push @exts, $pkg;
145 $ext_pkg{$base} = $pkg; 165 $ext_pkg{$base} = $pkg;
146 166
147# no strict 'refs'; 167# no strict 'refs';
148# @{"$pkg\::ISA"} = cf::ext::; 168# @{"$pkg\::ISA"} = ext::;
149 169
150 register $base, $pkg; 170 register $base, $pkg;
151} 171}
152 172
153sub unload_extension { 173sub unload_extension {
154 my ($pkg) = @_; 174 my ($pkg) = @_;
155 175
156 warn "removing extension $pkg\n"; 176 warn "removing extension $pkg\n";
177
178 if (my $cb = $pkg->can ("on_unload")) {
179 $cb->($pkg);
180 }
157 181
158 # remove hooks 182 # remove hooks
159 for my $idx (0 .. $#EVENT) { 183 for my $idx (0 .. $#EVENT) {
160 delete $hook[$idx]{$pkg}; 184 delete $hook[$idx]{$pkg};
161 } 185 }
… …
171 delete $command{$name}; 195 delete $command{$name};
172 delete $COMMAND{"$name\000"}; 196 delete $COMMAND{"$name\000"};
173 } 197 }
174 } 198 }
175 199
200 # remove extcmds
201 for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
202 delete $extcmd{$name};
203 }
204
176 Symbol::delete_package $pkg; 205 Symbol::delete_package $pkg;
177} 206}
178 207
179sub load_extensions { 208sub load_extensions {
180 my $LIBDIR = maps_directory "perl"; 209 my $LIBDIR = maps_directory "perl";
… …
194 if ($who->flag (FLAG_WIZ)) { 223 if ($who->flag (FLAG_WIZ)) {
195 $who->message ("reloading..."); 224 $who->message ("reloading...");
196 225
197 warn "reloading...\n"; 226 warn "reloading...\n";
198 eval { 227 eval {
228 $_->cancel for Event::all_watchers;
229
199 unload_extension $_ for @exts; 230 unload_extension $_ for @exts;
200 delete $INC{"cf.pm"}; 231 delete $INC{"cf.pm"};
201 232
202 # don't, removes xs symbols, too 233 # don't, removes xs symbols, too
203 #Symbol::delete_package $pkg; 234 #Symbol::delete_package __PACKAGE__;
204 235
205 require cf; 236 require cf;
206 }; 237 };
207 warn $@ if $@; 238 warn $@ if $@;
208 $who->message ($@) if $@; 239 $who->message ($@) if $@;
… …
212 } else { 243 } else {
213 $who->message ("Intruder Alert!"); 244 $who->message ("Intruder Alert!");
214 } 245 }
215}; 246};
216 247
248#############################################################################
249# extcmd framework, basically convert ext <id> <pkg> arg1 args
250# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
251
252sub on_extcmd {
253 my ($pl, $buf) = @_;
254
255 my ($type) = $buf =~ s/^(\S+) // ? $1 : "";
256
257 $extcmd{$type}[0]->($pl, $buf)
258 if $extcmd{$type};
259}
260
261#############################################################################
262# load/save/clean perl data associated with a map
263
264*on_mapclean = sub {
265 my ($map) = @_;
266
267 my $path = $map->tmpname;
268 defined $path or return;
269
270 unlink "$path.cfperl";
271};
272
217*on_mapin = 273*on_mapin =
218*on_mapload = sub { 274*on_mapload = sub {
219 my $map = shift->{map}; 275 my ($map) = @_;
220 276
221 my $path = $map->tmpname; 277 my $path = $map->tmpname;
222 $path = $map->path unless defined $path; 278 $path = $map->path unless defined $path;
223 279
224 open my $fh, "<:raw", "$path.cfperl" 280 open my $fh, "<:raw", "$path.cfperl"
… …
231 287
232 $map->_set_obs ($data->{obs}); 288 $map->_set_obs ($data->{obs});
233}; 289};
234 290
235*on_mapout = sub { 291*on_mapout = sub {
236 my $map = shift->{map}; 292 my ($map) = @_;
237 293
238 my $path = $map->tmpname; 294 my $path = $map->tmpname;
239 $path = $map->path unless defined $path; 295 $path = $map->path unless defined $path;
240 296
241 my $obs = $map->_get_obs; 297 my $obs = $map->_get_obs;
242 298
243 if (defined $obs) { 299 if (defined $obs) {
244 open my $fh, ">:raw", "$path.cfperl" 300 open my $fh, ">:raw", "$path.cfperl"
245 or die "$path.cfperl: $!"; 301 or die "$path.cfperl: $!";
246 302
303 stat $path;
304
247 print $fh Storable::nfreeze { 305 print $fh Storable::nfreeze {
306 size => (stat _)[7],
307 time => (stat _)[9],
248 version => 1, 308 version => 1,
249 obs => $obs, 309 obs => $obs,
250 }; 310 };
311
312 chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g*
251 } else { 313 } else {
252 unlink "$path.cfperl"; 314 unlink "$path.cfperl";
253 } 315 }
254}; 316};
255 317
318#############################################################################
319# load/save perl data associated with player->ob objects
320
321*on_player_load = sub {
322 my ($ob, $path) = @_;
323
324 if (open my $fh, "<:raw", "$path.cfperl") {
325
326 #d##TODO#remove
327
328 my $data = Storable::thaw do { local $/; <$fh> };
329
330 $data->{version} <= 1
331 or return; # too new
332
333 %$ob = %{$data->{ob}};
334 return;
335 }
336
337 for my $o ($ob, $ob->inv) {
338 if (my $value = $o->get_ob_key_value ("_perl_data")) {
339 $o->set_ob_key_value ("_perl_data");
340
341 %$o = %{ Storable::thaw pack "H*", $value };
342 }
343 }
344};
345
346*on_player_save = sub {
347 my ($ob, $path) = @_;
348
349 $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)
350 for grep %$_, $ob, $ob->inv;
351
352 unlink "$path.cfperl";#d##TODO#remove
353};
354
355#############################################################################
356# core extensions - in perl
357
358=item cf::player::exists $login
359
360Returns true when the given account exists.
361
362=cut
363
364sub cf::player::exists($) {
365 cf::player::find $_[0]
366 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
367}
368
369# rough implementation of a future "reply" method that works
370# with dialog boxes.
371sub cf::object::player::reply($$$;$) {
372 my ($self, $npc, $msg, $flags) = @_;
373
374 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
375
376 $msg = $npc->name . " says: $msg" if $npc;
377
378 $self->message ($msg, $flags);
379}
380
381#############################################################################
382# map scripting support
383
384our $safe = new Safe "ext";
385our $safe_hole = new Safe::Hole;
386
387$SIG{FPE} = 'IGNORE';
388
389$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
390
391# here we would export the classes and methods available to script code
392#@ext::cf::object::player::ISA = @cf::object::player::ISA;
393#@ext::cf::object::map::ISA = @cf::object::map::ISA;
394
395sub safe_eval($;@) {
396 my ($code, %vars) = @_;
397
398 my $qcode = $code;
399 $qcode =~ s/"/‟/g; # not allowed in #line filenames
400 $qcode =~ s/\n/\\n/g;
401
402 local $_;
403 local @ext::cf::_safe_eval_args = values %vars;
404
405 $safe->reval (
406 "do {\n"
407 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
408 . "#line 0 \"{$qcode}\"\n"
409 . $code
410 . "\n}"
411 )
412}
413
414sub register_script_function {
415 my ($fun, $cb) = @_;
416
417 no strict 'refs';
418 *{"ext::$fun"} = $safe_hole->wrap ($cb);
419}
420
421#############################################################################
422# initialisation
423
256register "<global>", __PACKAGE__; 424register "<global>", __PACKAGE__;
257 425
426unshift @INC, maps_directory "perl";
427
258load_extensions; 428load_extensions;
259 429
2601 4301
261 431

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