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/cvs/deliantra/server/lib/cf.pm
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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.2 by root, Fri Feb 3 21:22:53 2006 UTC vs.
Revision 1.22 by root, Wed Jul 19 08:50:42 2006 UTC

1package cf; 1package cf;
2 2
3use Symbol; 3use Symbol;
4use List::Util; 4use List::Util;
5use Storable;
6
7use Event;
8$Event::Eval = 1; # no idea why this is required, but it is
5 9
6use strict; 10use strict;
7 11
8our %COMMAND; 12our %COMMAND;
9our @EVENT; 13our @EVENT;
21 print STDERR "cfperl: $msg"; 25 print STDERR "cfperl: $msg";
22 LOG llevError, "cfperl: $msg"; 26 LOG llevError, "cfperl: $msg";
23 }; 27 };
24} 28}
25 29
30my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply!
31
26# generate property mutators 32# generate property mutators
27sub prop_gen { 33sub prop_gen {
28 my ($prefix, $class) = @_; 34 my ($prefix, $class) = @_;
29 35
30 no strict 'refs'; 36 no strict 'refs';
40 $_[0]->get_property ($type, $idx) 46 $_[0]->get_property ($type, $idx)
41 }; 47 };
42 48
43 *{"$class\::set_$sub"} = sub { 49 *{"$class\::set_$sub"} = sub {
44 $_[0]->set_property ($type, $idx, $_[1]); 50 $_[0]->set_property ($type, $idx, $_[1]);
45 }; 51 } unless $ignore_set{$prop};
46 } 52 }
47} 53}
48 54
49# auto-generate most of the API 55# auto-generate most of the API
50 56
58# guessed hierarchies 64# guessed hierarchies
59 65
60@cf::object::player::ISA = 'cf::object'; 66@cf::object::player::ISA = 'cf::object';
61@cf::object::map::ISA = 'cf::object'; 67@cf::object::map::ISA = 'cf::object';
62 68
69$Event::DIED = sub {
70 warn "error in event callback: @_";
71};
72
73my %ext_pkg;
63my @exts; 74my @exts;
64my @hook; 75my @hook;
65my %command; 76my %command;
77my %extcmd;
66 78
67sub inject_event { 79sub inject_event {
68 my ($data) = @_; 80 my $extension = shift;
81 my $event_code = shift;
69 82
70 my $cb = $hook[$data->{event_code}] 83 my $cb = $hook[$event_code]{$extension}
71 or return; 84 or return;
72 85
73 $_->($data) for values %$cb; 86 &$cb
87}
74 88
75 () 89sub inject_global_event {
90 my $event = shift;
91
92 my $cb = $hook[$event]
93 or return;
94
95 List::Util::max map &$_, values %$cb
76} 96}
77 97
78sub inject_command { 98sub inject_command {
79 my ($name, $obj, $params) = @_; 99 my ($name, $obj, $params) = @_;
80 100
87 107
88sub register_command { 108sub register_command {
89 my ($name, $time, $cb) = @_; 109 my ($name, $time, $cb) = @_;
90 110
91 my $caller = caller; 111 my $caller = caller;
112 #warn "registering command '$name/$time' to '$caller'";
92 113
93 push @{ $command{$name} }, [$time, $cb, $caller]; 114 push @{ $command{$name} }, [$time, $cb, $caller];
94 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; 115 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
95} 116}
96 117
118sub register_extcmd {
119 my ($name, $cb) = @_;
120
121 my $caller = caller;
122 #warn "registering extcmd '$name' to '$caller'";
123
124 $extcmd{$name} = [$cb, $caller];
125}
126
127sub register {
128 my ($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} = $ref;
134 }
135 }
136}
137
97sub load_extension { 138sub load_extension {
98 my ($path) = @_; 139 my ($path) = @_;
99 140
100 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 141 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
142 my $base = $1;
101 my $pkg = $1; 143 my $pkg = $1;
102 $pkg =~ s/[^[:word:]]/_/g; 144 $pkg =~ s/[^[:word:]]/_/g;
103 $pkg = "cf::ext::$pkg"; 145 $pkg = "cf::ext::$pkg";
104 146
105 warn "loading '$path' into '$pkg'\n"; 147 warn "loading '$path' into '$pkg'\n";
115 157
116 eval $source 158 eval $source
117 or die "$path: $@"; 159 or die "$path: $@";
118 160
119 push @exts, $pkg; 161 push @exts, $pkg;
162 $ext_pkg{$base} = $pkg;
120 163
121 no strict 'refs'; 164# no strict 'refs';
122
123# @{"$pkg\::ISA"} = cf::ext::; 165# @{"$pkg\::ISA"} = cf::ext::;
124 166
125 for my $idx (0 .. $#EVENT) { 167 register $base, $pkg;
126 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
127 warn "registering $EVENT[$idx] hook\n";
128 $hook[$idx]{$pkg} = $ref;
129 }
130 }
131} 168}
132 169
133sub unload_extension { 170sub unload_extension {
134 my ($pkg) = @_; 171 my ($pkg) = @_;
135 172
136 warn "removing extension $pkg\n"; 173 warn "removing extension $pkg\n";
174
175 if (my $cb = $pkg->can ("on_unload")) {
176 $cb->($pkg);
177 }
137 178
138 # remove hooks 179 # remove hooks
139 for my $idx (0 .. $#EVENT) { 180 for my $idx (0 .. $#EVENT) {
140 delete $hook[$idx]{$pkg}; 181 delete $hook[$idx]{$pkg};
141 } 182 }
151 delete $command{$name}; 192 delete $command{$name};
152 delete $COMMAND{"$name\000"}; 193 delete $COMMAND{"$name\000"};
153 } 194 }
154 } 195 }
155 196
197 # remove extcmds
198 for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
199 delete $extcmd{$name};
200 }
201
156 Symbol::delete_package $pkg; 202 Symbol::delete_package $pkg;
157} 203}
158 204
159sub load_extensions { 205sub load_extensions {
160 my $LIBDIR = maps_directory "perl"; 206 my $LIBDIR = maps_directory "perl";
161 207
162 for my $ext (<$LIBDIR/*.ext>) { 208 for my $ext (<$LIBDIR/*.ext>) {
209 next unless -r $ext;
163 eval { 210 eval {
164 load_extension $ext; 211 load_extension $ext;
165 1 212 1
166 } or warn "$ext not loaded: $@"; 213 } or warn "$ext not loaded: $@";
167 } 214 }
169 216
170register_command "perl-reload", 0, sub { 217register_command "perl-reload", 0, sub {
171 my ($who, $arg) = @_; 218 my ($who, $arg) = @_;
172 219
173 if ($who->flag (FLAG_WIZ)) { 220 if ($who->flag (FLAG_WIZ)) {
221 $who->message ("reloading...");
222
174 warn "reloading...\n"; 223 warn "reloading...\n";
224 eval {
225 $_->cancel for Event::all_watchers;
226
175 unload_extension $_ for @exts; 227 unload_extension $_ for @exts;
176 @exts = 0; 228 delete $INC{"cf.pm"};
177 load_extensions; 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 $@;
178 warn "reloaded\n"; 237 warn "reloaded\n";
238
239 $who->message ("reloaded");
240 } else {
241 $who->message ("Intruder Alert!");
179 } 242 }
180}; 243};
244
245#############################################################################
246# extcmd framework, basically convert ext <id> <pkg> arg1 args
247# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
248
249sub on_extcmd {
250 my ($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.
357sub 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
368register "<global>", __PACKAGE__;
369
370unshift @INC, maps_directory "perl";
181 371
182load_extensions; 372load_extensions;
183 373
1841 3741
185 375

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