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/cvs/deliantra/server/lib/cf.pm
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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.15 by root, Sun Jun 11 15:02:16 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$Event::Eval = 1; # no idea why this is required, but it is
6 12
7use strict; 13use strict;
8 14
9our %COMMAND; 15our %COMMAND;
10our @EVENT; 16our @EVENT;
… …
60 66
61# guessed hierarchies 67# guessed hierarchies
62 68
63@cf::object::player::ISA = 'cf::object'; 69@cf::object::player::ISA = 'cf::object';
64@cf::object::map::ISA = 'cf::object'; 70@cf::object::map::ISA = 'cf::object';
71
72$Event::DIED = sub {
73 warn "error in event callback: @_";
74};
65 75
66my %ext_pkg; 76my %ext_pkg;
67my @exts; 77my @exts;
68my @hook; 78my @hook;
69my %command; 79my %command;
… …
100 110
101sub register_command { 111sub register_command {
102 my ($name, $time, $cb) = @_; 112 my ($name, $time, $cb) = @_;
103 113
104 my $caller = caller; 114 my $caller = caller;
105
106 warn "registering command '$name/$time' to '$caller'"; 115 #warn "registering command '$name/$time' to '$caller'";
107 116
108 push @{ $command{$name} }, [$time, $cb, $caller]; 117 push @{ $command{$name} }, [$time, $cb, $caller];
109 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; 118 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
110} 119}
111 120
121sub register_extcmd {
122 my ($name, $cb) = @_;
123
124 my $caller = caller;
125 #warn "registering extcmd '$name' to '$caller'";
126
127 $extcmd{$name} = [$cb, $caller];
128}
129
112sub register { 130sub register {
113 my ($base, $pkg) = @_; 131 my ($base, $pkg) = @_;
114 132
115 for my $idx (0 .. $#EVENT) { 133 for my $idx (0 .. $#EVENT) {
116 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { 134 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
117 warn "registering $EVENT[$idx] hook to '$pkg'\n"; 135 #warn "registering $EVENT[$idx] hook to '$pkg'\n";
118 $hook[$idx]{$base} = $ref; 136 $hook[$idx]{$base} = $ref;
119 } 137 }
120 } 138 }
121} 139}
122 140
… …
145 163
146 push @exts, $pkg; 164 push @exts, $pkg;
147 $ext_pkg{$base} = $pkg; 165 $ext_pkg{$base} = $pkg;
148 166
149# no strict 'refs'; 167# no strict 'refs';
150# @{"$pkg\::ISA"} = cf::ext::; 168# @{"$pkg\::ISA"} = ext::;
151 169
152 register $base, $pkg; 170 register $base, $pkg;
153} 171}
154 172
155sub unload_extension { 173sub unload_extension {
156 my ($pkg) = @_; 174 my ($pkg) = @_;
157 175
158 warn "removing extension $pkg\n"; 176 warn "removing extension $pkg\n";
177
178 if (my $cb = $pkg->can ("on_unload")) {
179 $cb->($pkg);
180 }
159 181
160 # remove hooks 182 # remove hooks
161 for my $idx (0 .. $#EVENT) { 183 for my $idx (0 .. $#EVENT) {
162 delete $hook[$idx]{$pkg}; 184 delete $hook[$idx]{$pkg};
163 } 185 }
… …
174 delete $COMMAND{"$name\000"}; 196 delete $COMMAND{"$name\000"};
175 } 197 }
176 } 198 }
177 199
178 # remove extcmds 200 # remove extcmds
179 for my $name (keys %command) { 201 for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
180 my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
181
182 if (@cb) {
183 $command{$name} = \@cb;
184 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
185 } else {
186 delete $command{$name}; 202 delete $extcmd{$name};
187 delete $COMMAND{"$name\000"};
188 }
189 } 203 }
190
191 204
192 Symbol::delete_package $pkg; 205 Symbol::delete_package $pkg;
193} 206}
194 207
195sub load_extensions { 208sub load_extensions {
… …
210 if ($who->flag (FLAG_WIZ)) { 223 if ($who->flag (FLAG_WIZ)) {
211 $who->message ("reloading..."); 224 $who->message ("reloading...");
212 225
213 warn "reloading...\n"; 226 warn "reloading...\n";
214 eval { 227 eval {
228 $_->cancel for Event::all_watchers;
229
215 unload_extension $_ for @exts; 230 unload_extension $_ for @exts;
216 delete $INC{"cf.pm"}; 231 delete $INC{"cf.pm"};
217 232
218 # don't, removes xs symbols, too 233 # don't, removes xs symbols, too
219 #Symbol::delete_package $pkg; 234 #Symbol::delete_package __PACKAGE__;
220 235
221 require cf; 236 require cf;
222 }; 237 };
223 warn $@ if $@; 238 warn $@ if $@;
224 $who->message ($@) if $@; 239 $who->message ($@) if $@;
… …
235# into pkg::->on_extcmd_arg1 (...) while shortcutting a few 250# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
236 251
237sub on_extcmd { 252sub on_extcmd {
238 my ($pl, $buf) = @_; 253 my ($pl, $buf) = @_;
239 254
240 my ($id, $pkg, $name, $data) = split / /, $buf, 4; 255 my ($type) = $buf =~ s/^(\S+) // ? $1 : "";
241 256
242 if (my $method = "cf::ext::$pkg"->can ("on_extcmd_$name")) { 257 $extcmd{$type}[0]->($pl, $buf)
243 $method->($pl, $id, $buf); 258 if $extcmd{$type};
244 }
245} 259}
246 260
247############################################################################# 261#############################################################################
248# load/save/clean perl data associated with a map 262# load/save/clean perl data associated with a map
249 263
… …
336 for grep %$_, $ob, $ob->inv; 350 for grep %$_, $ob, $ob->inv;
337 351
338 unlink "$path.cfperl";#d##TODO#remove 352 unlink "$path.cfperl";#d##TODO#remove
339}; 353};
340 354
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
341register "<global>", __PACKAGE__; 424register "<global>", __PACKAGE__;
342 425
426unshift @INC, maps_directory "perl";
427
343load_extensions; 428load_extensions;
344 429
3451 4301
346 431

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