1 | package cf; |
1 | package cf; |
2 | |
2 | |
3 | use Symbol; |
3 | use Symbol; |
4 | use List::Util; |
4 | use List::Util; |
5 | use Storable; |
5 | use Storable; |
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6 | use Opcode; |
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7 | use Safe; |
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8 | use Safe::Hole; |
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9 | |
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10 | use Event; |
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11 | $Event::Eval = 1; # no idea why this is required, but it is |
6 | |
12 | |
7 | use strict; |
13 | use strict; |
8 | |
14 | |
9 | our %COMMAND; |
15 | our %COMMAND; |
10 | our @EVENT; |
16 | our @EVENT; |
… | |
… | |
61 | # guessed hierarchies |
67 | # guessed hierarchies |
62 | |
68 | |
63 | @cf::object::player::ISA = 'cf::object'; |
69 | @cf::object::player::ISA = 'cf::object'; |
64 | @cf::object::map::ISA = 'cf::object'; |
70 | @cf::object::map::ISA = 'cf::object'; |
65 | |
71 | |
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72 | $Event::DIED = sub { |
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73 | warn "error in event callback: @_"; |
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74 | }; |
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75 | |
66 | my %ext_pkg; |
76 | my %ext_pkg; |
67 | my @exts; |
77 | my @exts; |
68 | my @hook; |
78 | my @hook; |
69 | my %command; |
79 | my %command; |
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80 | my %extcmd; |
70 | |
81 | |
71 | sub inject_event { |
82 | sub inject_event { |
72 | my ($data) = @_; |
83 | my $extension = shift; |
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84 | my $event_code = shift; |
73 | |
85 | |
74 | my $cb = $hook[$data->{event_code}]{$data->{extension}} |
86 | my $cb = $hook[$event_code]{$extension} |
75 | or return; |
87 | or return; |
76 | |
88 | |
77 | $cb->($data) |
89 | &$cb |
78 | } |
90 | } |
79 | |
91 | |
80 | sub inject_global_event { |
92 | sub inject_global_event { |
81 | my $event = shift; |
93 | my $event = shift; |
82 | |
94 | |
… | |
… | |
98 | |
110 | |
99 | sub register_command { |
111 | sub register_command { |
100 | my ($name, $time, $cb) = @_; |
112 | my ($name, $time, $cb) = @_; |
101 | |
113 | |
102 | my $caller = caller; |
114 | my $caller = caller; |
103 | |
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104 | warn "registering command '$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 | |
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121 | sub register_extcmd { |
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122 | my ($name, $cb) = @_; |
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123 | |
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124 | my $caller = caller; |
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125 | #warn "registering extcmd '$name' to '$caller'"; |
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126 | |
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127 | $extcmd{$name} = [$cb, $caller]; |
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128 | } |
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129 | |
110 | sub register { |
130 | sub register { |
111 | my ($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, $pkg; |
151 | } |
171 | } |
152 | |
172 | |
153 | sub unload_extension { |
173 | sub unload_extension { |
154 | my ($pkg) = @_; |
174 | my ($pkg) = @_; |
155 | |
175 | |
156 | warn "removing extension $pkg\n"; |
176 | warn "removing extension $pkg\n"; |
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177 | |
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178 | if (my $cb = $pkg->can ("on_unload")) { |
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179 | $cb->($pkg); |
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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 | |
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200 | # remove extcmds |
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201 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
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202 | delete $extcmd{$name}; |
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203 | } |
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204 | |
176 | Symbol::delete_package $pkg; |
205 | Symbol::delete_package $pkg; |
177 | } |
206 | } |
178 | |
207 | |
179 | sub load_extensions { |
208 | sub 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 { |
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228 | $_->cancel for Event::all_watchers; |
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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 $@; |
… | |
… | |
213 | $who->message ("Intruder Alert!"); |
244 | $who->message ("Intruder Alert!"); |
214 | } |
245 | } |
215 | }; |
246 | }; |
216 | |
247 | |
217 | ############################################################################# |
248 | ############################################################################# |
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249 | # extcmd framework, basically convert ext <id> <pkg> arg1 args |
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250 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
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251 | |
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252 | sub on_extcmd { |
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253 | my ($pl, $buf) = @_; |
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254 | |
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255 | my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
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256 | |
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257 | $extcmd{$type}[0]->($pl, $buf) |
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258 | if $extcmd{$type}; |
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259 | } |
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260 | |
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261 | ############################################################################# |
218 | # load/save/clean perl data associated with a map |
262 | # load/save/clean perl data associated with a map |
219 | |
263 | |
220 | *on_mapclean = sub { |
264 | *on_mapclean = sub { |
221 | my $map = shift->{map}; |
265 | my ($map) = @_; |
222 | |
266 | |
223 | my $path = $map->tmpname; |
267 | my $path = $map->tmpname; |
224 | defined $path or return; |
268 | defined $path or return; |
225 | |
269 | |
226 | unlink "$path.cfperl"; |
270 | unlink "$path.cfperl"; |
227 | }; |
271 | }; |
228 | |
272 | |
229 | *on_mapin = |
273 | *on_mapin = |
230 | *on_mapload = sub { |
274 | *on_mapload = sub { |
231 | my $map = shift->{map}; |
275 | my ($map) = @_; |
232 | |
276 | |
233 | my $path = $map->tmpname; |
277 | my $path = $map->tmpname; |
234 | $path = $map->path unless defined $path; |
278 | $path = $map->path unless defined $path; |
235 | |
279 | |
236 | open my $fh, "<:raw", "$path.cfperl" |
280 | open my $fh, "<:raw", "$path.cfperl" |
… | |
… | |
243 | |
287 | |
244 | $map->_set_obs ($data->{obs}); |
288 | $map->_set_obs ($data->{obs}); |
245 | }; |
289 | }; |
246 | |
290 | |
247 | *on_mapout = sub { |
291 | *on_mapout = sub { |
248 | my $map = shift->{map}; |
292 | my ($map) = @_; |
249 | |
293 | |
250 | my $path = $map->tmpname; |
294 | my $path = $map->tmpname; |
251 | $path = $map->path unless defined $path; |
295 | $path = $map->path unless defined $path; |
252 | |
296 | |
253 | my $obs = $map->_get_obs; |
297 | my $obs = $map->_get_obs; |
… | |
… | |
273 | |
317 | |
274 | ############################################################################# |
318 | ############################################################################# |
275 | # load/save perl data associated with player->ob objects |
319 | # load/save perl data associated with player->ob objects |
276 | |
320 | |
277 | *on_player_load = sub { |
321 | *on_player_load = sub { |
278 | my ($event) = @_; |
322 | my ($ob, $path) = @_; |
279 | my $path = $event->{message}; |
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280 | my $ob = $event->{who}; |
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281 | |
323 | |
282 | if (open my $fh, "<:raw", "$path.cfperl") { |
324 | if (open my $fh, "<:raw", "$path.cfperl") { |
283 | |
325 | |
284 | #d##TODO#remove |
326 | #d##TODO#remove |
285 | |
327 | |
… | |
… | |
300 | } |
342 | } |
301 | } |
343 | } |
302 | }; |
344 | }; |
303 | |
345 | |
304 | *on_player_save = sub { |
346 | *on_player_save = sub { |
305 | my ($event) = @_; |
347 | my ($ob, $path) = @_; |
306 | my $path = $event->{message}; |
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307 | my $ob = $event->{who}; |
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308 | |
348 | |
309 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
349 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
310 | for grep %$_, $ob, $ob->inv; |
350 | for grep %$_, $ob, $ob->inv; |
311 | |
351 | |
312 | unlink "$path.cfperl";#d##TODO#remove |
352 | unlink "$path.cfperl";#d##TODO#remove |
313 | }; |
353 | }; |
314 | |
354 | |
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355 | ############################################################################# |
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356 | # core extensions - in perl |
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357 | |
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358 | =item cf::player::exists $login |
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359 | |
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360 | Returns true when the given account exists. |
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361 | |
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362 | =cut |
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363 | |
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364 | sub cf::player::exists($) { |
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365 | cf::player::find $_[0] |
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366 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
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367 | } |
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368 | |
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369 | # rough implementation of a future "reply" method that works |
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370 | # with dialog boxes. |
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371 | sub cf::object::player::reply($$$;$) { |
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372 | my ($self, $npc, $msg, $flags) = @_; |
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373 | |
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374 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
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375 | |
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376 | if ($self->{record_replies}) { |
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377 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
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378 | } else { |
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379 | $msg = $npc->name . " says: $msg" if $npc; |
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380 | $self->message ($msg, $flags); |
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381 | } |
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382 | } |
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383 | |
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384 | ############################################################################# |
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385 | # map scripting support |
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386 | |
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387 | our $safe = new Safe "ext"; |
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388 | our $safe_hole = new Safe::Hole; |
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389 | |
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390 | $SIG{FPE} = 'IGNORE'; |
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391 | |
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392 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
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393 | |
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394 | # here we would export the classes and methods available to script code |
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395 | #@ext::cf::object::player::ISA = @cf::object::player::ISA; |
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396 | #@ext::cf::object::map::ISA = @cf::object::map::ISA; |
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397 | |
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398 | sub safe_eval($;@) { |
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399 | my ($code, %vars) = @_; |
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400 | |
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401 | my $qcode = $code; |
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402 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
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403 | $qcode =~ s/\n/\\n/g; |
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404 | |
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405 | local $_; |
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406 | local @ext::cf::_safe_eval_args = values %vars; |
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407 | |
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408 | $safe->reval ( |
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409 | "do {\n" |
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410 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
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411 | . "#line 0 \"{$qcode}\"\n" |
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412 | . $code |
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413 | . "\n}" |
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414 | ) |
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415 | } |
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416 | |
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417 | sub register_script_function { |
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418 | my ($fun, $cb) = @_; |
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419 | |
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420 | no strict 'refs'; |
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421 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
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422 | } |
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423 | |
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424 | ############################################################################# |
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425 | # initialisation |
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426 | |
315 | register "<global>", __PACKAGE__; |
427 | register "<global>", __PACKAGE__; |
316 | |
428 | |
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429 | unshift @INC, maps_directory "perl"; |
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430 | |
317 | load_extensions; |
431 | load_extensions; |
318 | |
432 | |
319 | 1 |
433 | 1 |
320 | |
434 | |