ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
Revision: 1.22
Committed: Wed Jul 19 08:50:42 2006 UTC (17 years, 10 months ago) by root
Branch: MAIN
Changes since 1.21: +16 -0 lines
Log Message:
implement say in perl (as xsay currently) and add the necessary missing glue in the c part. also implement $player->reply for future uses

File Contents

# Content
1 package cf;
2
3 use Symbol;
4 use List::Util;
5 use Storable;
6
7 use Event;
8 $Event::Eval = 1; # no idea why this is required, but it is
9
10 use strict;
11
12 our %COMMAND;
13 our @EVENT;
14 our %PROP_TYPE;
15 our %PROP_IDX;
16
17 BEGIN {
18 @EVENT = map lc, @EVENT;
19
20 *CORE::GLOBAL::warn = sub {
21 my $msg = join "", @_;
22 $msg .= "\n"
23 unless $msg =~ /\n$/;
24
25 print STDERR "cfperl: $msg";
26 LOG llevError, "cfperl: $msg";
27 };
28 }
29
30 my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply!
31
32 # generate property mutators
33 sub prop_gen {
34 my ($prefix, $class) = @_;
35
36 no strict 'refs';
37
38 for my $prop (keys %PROP_TYPE) {
39 $prop =~ /^\Q$prefix\E_(.*$)/ or next;
40 my $sub = lc $1;
41
42 my $type = $PROP_TYPE{$prop};
43 my $idx = $PROP_IDX {$prop};
44
45 *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub {
46 $_[0]->get_property ($type, $idx)
47 };
48
49 *{"$class\::set_$sub"} = sub {
50 $_[0]->set_property ($type, $idx, $_[1]);
51 } unless $ignore_set{$prop};
52 }
53 }
54
55 # auto-generate most of the API
56
57 prop_gen OBJECT_PROP => "cf::object";
58 # CFAPI_OBJECT_ANIMATION?
59 prop_gen PLAYER_PROP => "cf::object::player";
60
61 prop_gen MAP_PROP => "cf::map";
62 prop_gen ARCH_PROP => "cf::arch";
63
64 # guessed hierarchies
65
66 @cf::object::player::ISA = 'cf::object';
67 @cf::object::map::ISA = 'cf::object';
68
69 $Event::DIED = sub {
70 warn "error in event callback: @_";
71 };
72
73 my %ext_pkg;
74 my @exts;
75 my @hook;
76 my %command;
77 my %extcmd;
78
79 sub inject_event {
80 my $extension = shift;
81 my $event_code = shift;
82
83 my $cb = $hook[$event_code]{$extension}
84 or return;
85
86 &$cb
87 }
88
89 sub inject_global_event {
90 my $event = shift;
91
92 my $cb = $hook[$event]
93 or return;
94
95 List::Util::max map &$_, values %$cb
96 }
97
98 sub inject_command {
99 my ($name, $obj, $params) = @_;
100
101 for my $cmd (@{ $command{$name} }) {
102 $cmd->[1]->($obj, $params);
103 }
104
105 -1
106 }
107
108 sub register_command {
109 my ($name, $time, $cb) = @_;
110
111 my $caller = caller;
112 #warn "registering command '$name/$time' to '$caller'";
113
114 push @{ $command{$name} }, [$time, $cb, $caller];
115 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
116 }
117
118 sub register_extcmd {
119 my ($name, $cb) = @_;
120
121 my $caller = caller;
122 #warn "registering extcmd '$name' to '$caller'";
123
124 $extcmd{$name} = [$cb, $caller];
125 }
126
127 sub register {
128 my ($base, $pkg) = @_;
129
130 for my $idx (0 .. $#EVENT) {
131 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
132 #warn "registering $EVENT[$idx] hook to '$pkg'\n";
133 $hook[$idx]{$base} = $ref;
134 }
135 }
136 }
137
138 sub load_extension {
139 my ($path) = @_;
140
141 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
142 my $base = $1;
143 my $pkg = $1;
144 $pkg =~ s/[^[:word:]]/_/g;
145 $pkg = "cf::ext::$pkg";
146
147 warn "loading '$path' into '$pkg'\n";
148
149 open my $fh, "<:utf8", $path
150 or die "$path: $!";
151
152 my $source =
153 "package $pkg; use strict; use utf8;\n"
154 . "#line 1 \"$path\"\n{\n"
155 . (do { local $/; <$fh> })
156 . "\n};\n1";
157
158 eval $source
159 or die "$path: $@";
160
161 push @exts, $pkg;
162 $ext_pkg{$base} = $pkg;
163
164 # no strict 'refs';
165 # @{"$pkg\::ISA"} = cf::ext::;
166
167 register $base, $pkg;
168 }
169
170 sub unload_extension {
171 my ($pkg) = @_;
172
173 warn "removing extension $pkg\n";
174
175 if (my $cb = $pkg->can ("on_unload")) {
176 $cb->($pkg);
177 }
178
179 # remove hooks
180 for my $idx (0 .. $#EVENT) {
181 delete $hook[$idx]{$pkg};
182 }
183
184 # remove commands
185 for my $name (keys %command) {
186 my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
187
188 if (@cb) {
189 $command{$name} = \@cb;
190 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
191 } else {
192 delete $command{$name};
193 delete $COMMAND{"$name\000"};
194 }
195 }
196
197 # remove extcmds
198 for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
199 delete $extcmd{$name};
200 }
201
202 Symbol::delete_package $pkg;
203 }
204
205 sub load_extensions {
206 my $LIBDIR = maps_directory "perl";
207
208 for my $ext (<$LIBDIR/*.ext>) {
209 next unless -r $ext;
210 eval {
211 load_extension $ext;
212 1
213 } or warn "$ext not loaded: $@";
214 }
215 }
216
217 register_command "perl-reload", 0, sub {
218 my ($who, $arg) = @_;
219
220 if ($who->flag (FLAG_WIZ)) {
221 $who->message ("reloading...");
222
223 warn "reloading...\n";
224 eval {
225 $_->cancel for Event::all_watchers;
226
227 unload_extension $_ for @exts;
228 delete $INC{"cf.pm"};
229
230 # don't, removes xs symbols, too
231 #Symbol::delete_package __PACKAGE__;
232
233 require cf;
234 };
235 warn $@ if $@;
236 $who->message ($@) if $@;
237 warn "reloaded\n";
238
239 $who->message ("reloaded");
240 } else {
241 $who->message ("Intruder Alert!");
242 }
243 };
244
245 #############################################################################
246 # extcmd framework, basically convert ext <id> <pkg> arg1 args
247 # into pkg::->on_extcmd_arg1 (...) while shortcutting a few
248
249 sub on_extcmd {
250 my ($pl, $buf) = @_;
251
252 my ($type) = $buf =~ s/^(\S+) // ? $1 : "";
253
254 $extcmd{$type}[0]->($pl, $buf)
255 if $extcmd{$type};
256 }
257
258 #############################################################################
259 # load/save/clean perl data associated with a map
260
261 *on_mapclean = sub {
262 my ($map) = @_;
263
264 my $path = $map->tmpname;
265 defined $path or return;
266
267 unlink "$path.cfperl";
268 };
269
270 *on_mapin =
271 *on_mapload = sub {
272 my ($map) = @_;
273
274 my $path = $map->tmpname;
275 $path = $map->path unless defined $path;
276
277 open my $fh, "<:raw", "$path.cfperl"
278 or return; # no perl data
279
280 my $data = Storable::thaw do { local $/; <$fh> };
281
282 $data->{version} <= 1
283 or return; # too new
284
285 $map->_set_obs ($data->{obs});
286 };
287
288 *on_mapout = sub {
289 my ($map) = @_;
290
291 my $path = $map->tmpname;
292 $path = $map->path unless defined $path;
293
294 my $obs = $map->_get_obs;
295
296 if (defined $obs) {
297 open my $fh, ">:raw", "$path.cfperl"
298 or die "$path.cfperl: $!";
299
300 stat $path;
301
302 print $fh Storable::nfreeze {
303 size => (stat _)[7],
304 time => (stat _)[9],
305 version => 1,
306 obs => $obs,
307 };
308
309 chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g*
310 } else {
311 unlink "$path.cfperl";
312 }
313 };
314
315 #############################################################################
316 # load/save perl data associated with player->ob objects
317
318 *on_player_load = sub {
319 my ($ob, $path) = @_;
320
321 if (open my $fh, "<:raw", "$path.cfperl") {
322
323 #d##TODO#remove
324
325 my $data = Storable::thaw do { local $/; <$fh> };
326
327 $data->{version} <= 1
328 or return; # too new
329
330 %$ob = %{$data->{ob}};
331 return;
332 }
333
334 for my $o ($ob, $ob->inv) {
335 if (my $value = $o->get_ob_key_value ("_perl_data")) {
336 $o->set_ob_key_value ("_perl_data");
337
338 %$o = %{ Storable::thaw pack "H*", $value };
339 }
340 }
341 };
342
343 *on_player_save = sub {
344 my ($ob, $path) = @_;
345
346 $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)
347 for grep %$_, $ob, $ob->inv;
348
349 unlink "$path.cfperl";#d##TODO#remove
350 };
351
352 #############################################################################
353 # core extensions - in perl
354
355 # rough implementation of a future "reply" method that works
356 # with dialog boxes.
357 sub cf::object::player::reply($$;$) {
358 my ($self, $msg, $flags) = @_;
359
360 $flags = cf::NDI_WHITE unless @_ >= 3;
361
362 $self->message ($msg, $flags);
363 }
364
365 #############################################################################
366 # initialisation
367
368 register "<global>", __PACKAGE__;
369
370 unshift @INC, maps_directory "perl";
371
372 load_extensions;
373
374 1
375