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/cvs/deliantra/server/lib/cf.pm
Revision: 1.14
Committed: Fri Mar 31 22:47:35 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.13: +4 -3 lines
Log Message:
api change

File Contents

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