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/cvs/deliantra/server/lib/cf.pm
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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.13 by root, Fri Mar 31 22:09:36 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$Event::Eval = 1; # no idea why this is required, but it is
6 12
7use strict; 13use strict;
8 14
9our %COMMAND; 15our %COMMAND;
10our @EVENT; 16our @EVENT;
… …
61# guessed hierarchies 67# guessed hierarchies
62 68
63@cf::object::player::ISA = 'cf::object'; 69@cf::object::player::ISA = 'cf::object';
64@cf::object::map::ISA = 'cf::object'; 70@cf::object::map::ISA = 'cf::object';
65 71
72$Event::DIED = sub {
73 warn "error in event callback: @_";
74};
75
66my %ext_pkg; 76my %ext_pkg;
67my @exts; 77my @exts;
68my @hook; 78my @hook;
69my %command; 79my %command;
80my %extcmd;
70 81
71sub inject_event { 82sub inject_event {
72 my ($data) = @_; 83 my $extension = shift;
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
80sub inject_global_event { 92sub inject_global_event {
81 my $event = shift; 93 my $event = shift;
82 94
… …
98 110
99sub register_command { 111sub register_command {
100 my ($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 $@;
… …
211 $who->message ("reloaded"); 242 $who->message ("reloaded");
212 } else { 243 } else {
213 $who->message ("Intruder Alert!"); 244 $who->message ("Intruder Alert!");
214 } 245 }
215}; 246};
247
248#############################################################################
249# extcmd framework, basically convert ext <id> <pkg> arg1 args
250# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
251
252sub on_extcmd {
253 my ($pl, $buf) = @_;
254
255 my ($type) = $buf =~ s/^(\S+) // ? $1 : "";
256
257 $extcmd{$type}[0]->($pl, $buf)
258 if $extcmd{$type};
259}
216 260
217############################################################################# 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 {
… …
306 for grep %$_, $ob, $ob->inv; 350 for grep %$_, $ob, $ob->inv;
307 351
308 unlink "$path.cfperl";#d##TODO#remove 352 unlink "$path.cfperl";#d##TODO#remove
309}; 353};
310 354
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
311register "<global>", __PACKAGE__; 424register "<global>", __PACKAGE__;
312 425
426unshift @INC, maps_directory "perl";
427
313load_extensions; 428load_extensions;
314 429
3151 4301
316 431

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