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 |
my %extcmd; |
71 |
|
72 |
sub inject_event { |
73 |
my $extension = shift; |
74 |
my $event_code = shift; |
75 |
|
76 |
my $cb = $hook[$event_code]{$extension} |
77 |
or return; |
78 |
|
79 |
&$cb |
80 |
} |
81 |
|
82 |
sub inject_global_event { |
83 |
my $event = shift; |
84 |
|
85 |
my $cb = $hook[$event] |
86 |
or return; |
87 |
|
88 |
List::Util::max map &$_, values %$cb |
89 |
} |
90 |
|
91 |
sub inject_command { |
92 |
my ($name, $obj, $params) = @_; |
93 |
|
94 |
for my $cmd (@{ $command{$name} }) { |
95 |
$cmd->[1]->($obj, $params); |
96 |
} |
97 |
|
98 |
-1 |
99 |
} |
100 |
|
101 |
sub register_command { |
102 |
my ($name, $time, $cb) = @_; |
103 |
|
104 |
my $caller = caller; |
105 |
#warn "registering command '$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_extcmd { |
112 |
my ($name, $cb) = @_; |
113 |
|
114 |
my $caller = caller; |
115 |
#warn "registering extcmd '$name' to '$caller'"; |
116 |
|
117 |
$extcmd{$name} = [$cb, $caller]; |
118 |
} |
119 |
|
120 |
sub register { |
121 |
my ($base, $pkg) = @_; |
122 |
|
123 |
for my $idx (0 .. $#EVENT) { |
124 |
if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
125 |
#warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
126 |
$hook[$idx]{$base} = $ref; |
127 |
} |
128 |
} |
129 |
} |
130 |
|
131 |
sub load_extension { |
132 |
my ($path) = @_; |
133 |
|
134 |
$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
135 |
my $base = $1; |
136 |
my $pkg = $1; |
137 |
$pkg =~ s/[^[:word:]]/_/g; |
138 |
$pkg = "cf::ext::$pkg"; |
139 |
|
140 |
warn "loading '$path' into '$pkg'\n"; |
141 |
|
142 |
open my $fh, "<:utf8", $path |
143 |
or die "$path: $!"; |
144 |
|
145 |
my $source = |
146 |
"package $pkg; use strict; use utf8;\n" |
147 |
. "#line 1 \"$path\"\n{\n" |
148 |
. (do { local $/; <$fh> }) |
149 |
. "\n};\n1"; |
150 |
|
151 |
eval $source |
152 |
or die "$path: $@"; |
153 |
|
154 |
push @exts, $pkg; |
155 |
$ext_pkg{$base} = $pkg; |
156 |
|
157 |
# no strict 'refs'; |
158 |
# @{"$pkg\::ISA"} = cf::ext::; |
159 |
|
160 |
register $base, $pkg; |
161 |
} |
162 |
|
163 |
sub unload_extension { |
164 |
my ($pkg) = @_; |
165 |
|
166 |
warn "removing extension $pkg\n"; |
167 |
|
168 |
# remove hooks |
169 |
for my $idx (0 .. $#EVENT) { |
170 |
delete $hook[$idx]{$pkg}; |
171 |
} |
172 |
|
173 |
# remove commands |
174 |
for my $name (keys %command) { |
175 |
my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
176 |
|
177 |
if (@cb) { |
178 |
$command{$name} = \@cb; |
179 |
$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
180 |
} else { |
181 |
delete $command{$name}; |
182 |
delete $COMMAND{"$name\000"}; |
183 |
} |
184 |
} |
185 |
|
186 |
# remove extcmds |
187 |
for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
188 |
delete $extcmd{$name}; |
189 |
} |
190 |
|
191 |
Symbol::delete_package $pkg; |
192 |
} |
193 |
|
194 |
sub load_extensions { |
195 |
my $LIBDIR = maps_directory "perl"; |
196 |
|
197 |
for my $ext (<$LIBDIR/*.ext>) { |
198 |
next unless -r $ext; |
199 |
eval { |
200 |
load_extension $ext; |
201 |
1 |
202 |
} or warn "$ext not loaded: $@"; |
203 |
} |
204 |
} |
205 |
|
206 |
register_command "perl-reload", 0, sub { |
207 |
my ($who, $arg) = @_; |
208 |
|
209 |
if ($who->flag (FLAG_WIZ)) { |
210 |
$who->message ("reloading..."); |
211 |
|
212 |
warn "reloading...\n"; |
213 |
eval { |
214 |
unload_extension $_ for @exts; |
215 |
delete $INC{"cf.pm"}; |
216 |
|
217 |
# don't, removes xs symbols, too |
218 |
#Symbol::delete_package $pkg; |
219 |
|
220 |
require cf; |
221 |
}; |
222 |
warn $@ if $@; |
223 |
$who->message ($@) if $@; |
224 |
warn "reloaded\n"; |
225 |
|
226 |
$who->message ("reloaded"); |
227 |
} else { |
228 |
$who->message ("Intruder Alert!"); |
229 |
} |
230 |
}; |
231 |
|
232 |
############################################################################# |
233 |
# extcmd framework, basically convert ext <id> <pkg> arg1 args |
234 |
# into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
235 |
|
236 |
sub on_extcmd { |
237 |
my ($pl, $buf) = @_; |
238 |
|
239 |
my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
240 |
|
241 |
$extcmd{$type}[0]->($pl, $buf) |
242 |
if $extcmd{$type}; |
243 |
} |
244 |
|
245 |
############################################################################# |
246 |
# load/save/clean perl data associated with a map |
247 |
|
248 |
*on_mapclean = sub { |
249 |
my ($map) = @_; |
250 |
|
251 |
my $path = $map->tmpname; |
252 |
defined $path or return; |
253 |
|
254 |
unlink "$path.cfperl"; |
255 |
}; |
256 |
|
257 |
*on_mapin = |
258 |
*on_mapload = sub { |
259 |
my ($map) = @_; |
260 |
|
261 |
my $path = $map->tmpname; |
262 |
$path = $map->path unless defined $path; |
263 |
|
264 |
open my $fh, "<:raw", "$path.cfperl" |
265 |
or return; # no perl data |
266 |
|
267 |
my $data = Storable::thaw do { local $/; <$fh> }; |
268 |
|
269 |
$data->{version} <= 1 |
270 |
or return; # too new |
271 |
|
272 |
$map->_set_obs ($data->{obs}); |
273 |
}; |
274 |
|
275 |
*on_mapout = sub { |
276 |
my ($map) = @_; |
277 |
|
278 |
my $path = $map->tmpname; |
279 |
$path = $map->path unless defined $path; |
280 |
|
281 |
my $obs = $map->_get_obs; |
282 |
|
283 |
if (defined $obs) { |
284 |
open my $fh, ">:raw", "$path.cfperl" |
285 |
or die "$path.cfperl: $!"; |
286 |
|
287 |
stat $path; |
288 |
|
289 |
print $fh Storable::nfreeze { |
290 |
size => (stat _)[7], |
291 |
time => (stat _)[9], |
292 |
version => 1, |
293 |
obs => $obs, |
294 |
}; |
295 |
|
296 |
chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
297 |
} else { |
298 |
unlink "$path.cfperl"; |
299 |
} |
300 |
}; |
301 |
|
302 |
############################################################################# |
303 |
# load/save perl data associated with player->ob objects |
304 |
|
305 |
*on_player_load = sub { |
306 |
my ($ob, $path) = @_; |
307 |
|
308 |
if (open my $fh, "<:raw", "$path.cfperl") { |
309 |
|
310 |
#d##TODO#remove |
311 |
|
312 |
my $data = Storable::thaw do { local $/; <$fh> }; |
313 |
|
314 |
$data->{version} <= 1 |
315 |
or return; # too new |
316 |
|
317 |
%$ob = %{$data->{ob}}; |
318 |
return; |
319 |
} |
320 |
|
321 |
for my $o ($ob, $ob->inv) { |
322 |
if (my $value = $o->get_ob_key_value ("_perl_data")) { |
323 |
$o->set_ob_key_value ("_perl_data"); |
324 |
|
325 |
%$o = %{ Storable::thaw pack "H*", $value }; |
326 |
} |
327 |
} |
328 |
}; |
329 |
|
330 |
*on_player_save = sub { |
331 |
my ($ob, $path) = @_; |
332 |
|
333 |
$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
334 |
for grep %$_, $ob, $ob->inv; |
335 |
|
336 |
unlink "$path.cfperl";#d##TODO#remove |
337 |
}; |
338 |
|
339 |
register "<global>", __PACKAGE__; |
340 |
|
341 |
load_extensions; |
342 |
|
343 |
1 |
344 |
|