[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.34 by root, Thu Aug 24 13:13:49 2006 UTC vs.
Revision 1.61 by root, Sun Sep 3 22:45:56 2006 UTC

…		…
11	use Event;	11	use Event;
12	$Event::Eval = 1; # no idea why this is required, but it is	12	$Event::Eval = 1; # no idea why this is required, but it is
13		13
14	use strict;	14	use strict;
15		15
		16	_reload_1;
		17
16	our %COMMAND;	18	our %COMMAND = ();
17	our @EVENT;	19	our @EVENT;
18	our %PROP_TYPE;	20	our %PROP_TYPE;
19	our %PROP_IDX;	21	our %PROP_IDX;
20	our $LIBDIR = maps_directory "perl";	22	our $LIBDIR = maps_directory "perl";
21		23
		24	our $TICK = MAX_TIME * 1e-6;
		25	our $TICK_WATCHER;
		26	our $NEXT_TICK;
		27
22	BEGIN {	28	BEGIN {
23	@EVENT = map lc, @EVENT;
24
25	*CORE::GLOBAL::warn = sub {	29	*CORE::GLOBAL::warn = sub {
26	my $msg = join "", @_;	30	my $msg = join "", @_;
27	$msg .= "\n"	31	$msg .= "\n"
28	unless $msg =~ /\n$/;	32	unless $msg =~ /\n$/;
29		33
…		…
64	prop_gen PLAYER_PROP => "cf::object::player";	68	prop_gen PLAYER_PROP => "cf::object::player";
65		69
66	prop_gen MAP_PROP => "cf::map";	70	prop_gen MAP_PROP => "cf::map";
67	prop_gen ARCH_PROP => "cf::arch";	71	prop_gen ARCH_PROP => "cf::arch";
68		72
69	# guessed hierarchies
70
71	@ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	73	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
72	@ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object';
73		74
74	# we bless all objects into derived classes to force a method lookup	75	# we bless all objects into (empty) derived classes to force a method lookup
75	# within the Safe compartment.	76	# within the Safe compartment.
76	for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) {	77	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {
77	no strict 'refs';	78	no strict 'refs';
78	@{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	79	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
79	}	80	}
80		81
81	$Event::DIED = sub {	82	$Event::DIED = sub {
82	warn "error in event callback: @_";	83	warn "error in event callback: @_";
83	};	84	};
…		…
86	my @exts;	87	my @exts;
87	my @hook;	88	my @hook;
88	my %command;	89	my %command;
89	my %extcmd;	90	my %extcmd;
90		91
		92	#############################################################################
		93	# utility functions
		94
		95	use JSON::Syck (); # TODO# replace by JSON::PC once working
		96
		97	sub from_json($) {
		98	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
		99	JSON::Syck::Load $_[0]
		100	}
		101
		102	sub to_json($) {
		103	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
		104	JSON::Syck::Dump $_[0]
		105	}
		106
		107	#############################################################################
		108	# "new" plug-in system
		109
		110	=head3 EVENTS AND OBJECT ATTACHMENTS
		111
		112	=over 4
		113
		114	=item $object->attach ($attachment, key => $value...)
		115
		116	=item $object->detach ($attachment)
		117
		118	Attach/detach a pre-registered attachment to an object.
		119
		120	=item $player->attach ($attachment, key => $value...)
		121
		122	=item $player->detach ($attachment)
		123
		124	Attach/detach a pre-registered attachment to a player.
		125
		126	=item $map->attach ($attachment, key => $value...)
		127
		128	=item $map->detach ($attachment)
		129
		130	Attach/detach a pre-registered attachment to a map.
		131
		132	=item $bool = $object->attached ($name)
		133
		134	=item $bool = $player->attached ($name)
		135
		136	=item $bool = $map->attached ($name)
		137
		138	Checks wether the named attachment is currently attached to the object.
		139
		140	=item cf::attach_global ...
		141
		142	Attach handlers for global events.
		143
		144	This and all following C<attach_*>-functions expect any number of the
		145	following handler/hook descriptions:
		146
		147	=over 4
		148
		149	=item prio => $number
		150
		151	Set the priority for all following handlers/hooks (unless overwritten
		152	by another C<prio> setting). Lower priority handlers get executed
		153	earlier. The default priority is C<0>, and many built-in handlers are
		154	registered at priority C<-1000>, so lower priorities should not be used
		155	unless you know what you are doing.
		156
		157	=item on_I<event> => \&cb
		158
		159	Call the given code reference whenever the named event happens (event is
		160	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
		161	handlers are recognised generally depends on the type of object these
		162	handlers attach to).
		163
		164	See F<include/eventinc.h> for the full list of events supported, and their
		165	class.
		166
		167	=item package => package::
		168
		169	Look for sub functions of the name C<< on_I<event> >> in the given
		170	package and register them. Only handlers for eevents supported by the
		171	object/class are recognised.
		172
		173	=back
		174
		175	=item cf::attach_to_type $object_type, $subtype, ...
		176
		177	Attach handlers for a specific object type (e.g. TRANSPORT) and
		178	subtype. If C<$subtype> is zero or undef, matches all objects of the given
		179	type.
		180
		181	=item cf::attach_to_objects ...
		182
		183	Attach handlers to all objects. Do not use this except for debugging or
		184	very rare events, as handlers are (obviously) called for I<all> objects in
		185	the game.
		186
		187	=item cf::attach_to_players ...
		188
		189	Attach handlers to all players.
		190
		191	=item cf::attach_to_maps ...
		192
		193	Attach handlers to all maps.
		194
		195	=item cf:register_attachment $name, ...
		196
		197	Register an attachment by name through which objects can refer to this
		198	attachment.
		199
		200	=item cf:register_player_attachment $name, ...
		201
		202	Register an attachment by name through which players can refer to this
		203	attachment.
		204
		205	=item cf:register_map_attachment $name, ...
		206
		207	Register an attachment by name through which maps can refer to this
		208	attachment.
		209
		210	=cut
		211
		212	# the following variables are defined in .xs and must not be re-created
		213	our @CB_GLOBAL = (); # registry for all global events
		214	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		215	our @CB_PLAYER = ();
		216	our @CB_TYPE = (); # registry for type (cf-object class) based events
		217	our @CB_MAP = ();
		218
		219	my %attachment;
		220
		221	sub _attach_cb($\%$$$) {
		222	my ($registry, $undo, $event, $prio, $cb) = @_;
		223
		224	use sort 'stable';
		225
		226	$cb = [$prio, $cb];
		227
		228	@{$registry->[$event]} = sort
		229	{ $a->[0] cmp $b->[0] }
		230	@{$registry->[$event] \|\| []}, $cb;
		231
		232	push @{$undo->{cb}}, [$event, $cb];
		233	}
		234
		235	# attach handles attaching event callbacks
		236	# the only thing the caller has to do is pass the correct
		237	# registry (== where the callback attaches to).
		238	sub _attach(\@$@) {
		239	my ($registry, $klass, @arg) = @_;
		240
		241	my $prio = 0;
		242
		243	my %undo = (
		244	registry => $registry,
		245	cb => [],
		246	);
		247
		248	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		249
		250	while (@arg) {
		251	my $type = shift @arg;
		252
		253	if ($type eq "prio") {
		254	$prio = shift @arg;
		255
		256	} elsif ($type eq "package") {
		257	my $pkg = shift @arg;
		258
		259	while (my ($name, $id) = each %cb_id) {
		260	if (my $cb = $pkg->can ($name)) {
		261	_attach_cb $registry, %undo, $id, $prio, $cb;
		262	}
		263	}
		264
		265	} elsif (exists $cb_id{$type}) {
		266	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
		267
		268	} elsif (ref $type) {
		269	warn "attaching objects not supported, ignoring.\n";
		270
		271	} else {
		272	shift @arg;
		273	warn "attach argument '$type' not supported, ignoring.\n";
		274	}
		275	}
		276
		277	\%undo
		278	}
		279
		280	sub _attach_attachment {
		281	my ($obj, $name, %arg) = @_;
		282
		283	return if exists $obj->{_attachment}{$name};
		284
		285	my $res;
		286
		287	if (my $attach = $attachment{$name}) {
		288	my $registry = $obj->registry;
		289
		290	for (@$attach) {
		291	my ($klass, @attach) = @$_;
		292	$res = _attach @$registry, $klass, @attach;
		293	}
		294
		295	$obj->{$name} = \%arg;
		296	} else {
		297	warn "object uses attachment '$name' that is not available, postponing.\n";
		298	}
		299
		300	$obj->{_attachment}{$name} = undef;
		301
		302	$res->{attachment} = $name;
		303	$res
		304	}
		305
		306	*cf::object::attach =
		307	*cf::player::attach =
		308	*cf::map::attach = sub {
		309	my ($obj, $name, %arg) = @_;
		310
		311	_attach_attachment $obj, $name, %arg;
		312	};
		313
		314	# all those should be optimised
		315	*cf::object::detach =
		316	*cf::player::detach =
		317	*cf::map::detach = sub {
		318	my ($obj, $name) = @_;
		319
		320	delete $obj->{_attachment}{$name};
		321	reattach ($obj);
		322	};
		323
		324	*cf::object::attached =
		325	*cf::player::attached =
		326	*cf::map::attached = sub {
		327	my ($obj, $name) = @_;
		328
		329	exists $obj->{_attachment}{$name}
		330	};
		331
		332	sub attach_global {
		333	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
		334	}
		335
		336	sub attach_to_type {
		337	my $type = shift;
		338	my $subtype = shift;
		339
		340	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
		341	}
		342
		343	sub attach_to_objects {
		344	_attach @CB_OBJECT, KLASS_OBJECT, @_
		345	}
		346
		347	sub attach_to_players {
		348	_attach @CB_PLAYER, KLASS_PLAYER, @_
		349	}
		350
		351	sub attach_to_maps {
		352	_attach @CB_MAP, KLASS_MAP, @_
		353	}
		354
		355	sub register_attachment {
		356	my $name = shift;
		357
		358	$attachment{$name} = [[KLASS_OBJECT, @_]];
		359	}
		360
		361	sub register_player_attachment {
		362	my $name = shift;
		363
		364	$attachment{$name} = [[KLASS_PLAYER, @_]];
		365	}
		366
		367	sub register_map_attachment {
		368	my $name = shift;
		369
		370	$attachment{$name} = [[KLASS_MAP, @_]];
		371	}
		372
		373	our $override;
		374	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		375
		376	sub override {
		377	$override = 1;
		378	@invoke_results = ();
		379	}
		380
		381	sub do_invoke {
		382	my $event = shift;
		383	my $callbacks = shift;
		384
		385	@invoke_results = ();
		386
		387	local $override;
		388
		389	for (@$callbacks) {
		390	eval { &{$_->[1]} };
		391
		392	if ($@) {
		393	warn "$@";
		394	warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n";
		395	override;
		396	}
		397
		398	return 1 if $override;
		399	}
		400
		401	0
		402	}
		403
		404	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...
		405
		406	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
		407
		408	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
		409
		410	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
		411
		412	Generate a global/object/player/map-specific event with the given arguments.
		413
		414	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
		415	removed in future versions), and there is no public API to access override
		416	results (if you must, access C<@cf::invoke_results> directly).
		417
		418	=back
		419
		420	=head2 methods valid for all pointers
		421
		422	=over 4
		423
		424	=item $object->valid
		425
		426	=item $player->valid
		427
		428	=item $map->valid
		429
		430	Just because you have a perl object does not mean that the corresponding
		431	C-level object still exists. If you try to access an object that has no
		432	valid C counterpart anymore you get an exception at runtime. This method
		433	can be used to test for existence of the C object part without causing an
		434	exception.
		435
		436	=back
		437
		438	=cut
		439
		440	*cf::object::valid =
		441	*cf::player::valid =
		442	*cf::map::valid = \&cf::_valid;
		443
		444	#############################################################################
		445	# object support
		446
		447	sub instantiate {
		448	my ($obj, $data) = @_;
		449
		450	$data = from_json $data;
		451
		452	for (@$data) {
		453	my ($name, $args) = @$_;
		454
		455	$obj->attach ($name, %{$args \|\| {} });
		456	}
		457	}
		458
		459	# basically do the same as instantiate, without calling instantiate
		460	sub reattach {
		461	my ($obj) = @_;
		462	my $registry = $obj->registry;
		463
		464	@$registry = ();
		465
		466	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
		467
		468	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
		469	if (my $attach = $attachment{$name}) {
		470	for (@$attach) {
		471	my ($klass, @attach) = @$_;
		472	_attach @$registry, $klass, @attach;
		473	}
		474	} else {
		475	warn "object uses attachment '$name' that is not available, postponing.\n";
		476	}
		477	}
		478	}
		479
		480	sub object_freezer_save {
		481	my ($filename, $rdata, $objs) = @_;
		482
		483	if (length $$rdata) {
		484	warn sprintf "saving %s (%d,%d)\n",
		485	$filename, length $$rdata, scalar @$objs;
		486
		487	if (open my $fh, ">:raw", "$filename~") {
		488	chmod SAVE_MODE, $fh;
		489	syswrite $fh, $$rdata;
		490	close $fh;
		491
		492	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
		493	chmod SAVE_MODE, $fh;
		494	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
		495	close $fh;
		496	rename "$filename.pst~", "$filename.pst";
		497	} else {
		498	unlink "$filename.pst";
		499	}
		500
		501	rename "$filename~", $filename;
		502	} else {
		503	warn "FATAL: $filename~: $!\n";
		504	}
		505	} else {
		506	unlink $filename;
		507	unlink "$filename.pst";
		508	}
		509	}
		510
		511	sub object_thawer_load {
		512	my ($filename) = @_;
		513
		514	local $/;
		515
		516	my $av;
		517
		518	#TODO: use sysread etc.
		519	if (open my $data, "<:raw:perlio", $filename) {
		520	$data = <$data>;
		521	if (open my $pst, "<:raw:perlio", "$filename.pst") {
		522	$av = eval { (Storable::thaw <$pst>)->{objs} };
		523	}
		524	return ($data, $av);
		525	}
		526
		527	()
		528	}
		529
		530	attach_to_objects
		531	prio => -1000000,
		532	on_clone => sub {
		533	my ($src, $dst) = @_;
		534
		535	@{$dst->registry} = @{$src->registry};
		536
		537	%$dst = %$src;
		538
		539	%{$dst->{_attachment}} = %{$src->{_attachment}}
		540	if exists $src->{_attachment};
		541	},
		542	;
		543
		544	#############################################################################
		545	# old plug-in events
		546
91	sub inject_event {	547	sub inject_event {
92	my $extension = shift;	548	my $extension = shift;
93	my $event_code = shift;	549	my $event_code = shift;
94		550
95	my $cb = $hook[$event_code]{$extension}	551	my $cb = $hook[$event_code]{$extension}
…		…
137	}	593	}
138		594
139	sub register {	595	sub register {
140	my ($base, $pkg) = @_;	596	my ($base, $pkg) = @_;
141		597
142	for my $idx (0 .. $#EVENT) {	598	#TODO
143	if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
144	#warn "registering $EVENT[$idx] hook to '$pkg'\n";
145	$hook[$idx]{$base} = $ref;
146	}
147	}
148	}	599	}
149		600
150	sub load_extension {	601	sub load_extension {
151	my ($path) = @_;	602	my ($path) = @_;
152		603
153	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	604	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
154	my $base = $1;	605	my $base = $1;
155	my $pkg = $1;	606	my $pkg = $1;
156	$pkg =~ s/[^[:word:]]/_/g;	607	$pkg =~ s/[^[:word:]]/_/g;
157	$pkg = "cf::ext::$pkg";	608	$pkg = "ext::$pkg";
158		609
159	warn "loading '$path' into '$pkg'\n";	610	warn "loading '$path' into '$pkg'\n";
160		611
161	open my $fh, "<:utf8", $path	612	open my $fh, "<:utf8", $path
162	or die "$path: $!";	613	or die "$path: $!";
…		…
183	my ($pkg) = @_;	634	my ($pkg) = @_;
184		635
185	warn "removing extension $pkg\n";	636	warn "removing extension $pkg\n";
186		637
187	# remove hooks	638	# remove hooks
		639	#TODO
188	for my $idx (0 .. $#EVENT) {	640	# for my $idx (0 .. $#PLUGIN_EVENT) {
189	delete $hook[$idx]{$pkg};	641	# delete $hook[$idx]{$pkg};
190	}	642	# }
191		643
192	# remove commands	644	# remove commands
193	for my $name (keys %command) {	645	for my $name (keys %command) {
194	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	646	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
195		647
…		…
205	# remove extcmds	657	# remove extcmds
206	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	658	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
207	delete $extcmd{$name};	659	delete $extcmd{$name};
208	}	660	}
209		661
210	if (my $cb = $pkg->can ("on_unload")) {	662	if (my $cb = $pkg->can ("unload")) {
211	eval {	663	eval {
212	$cb->($pkg);	664	$cb->($pkg);
213	1	665	1
214	} or warn "$pkg unloaded, but with errors: $@";	666	} or warn "$pkg unloaded, but with errors: $@";
215	}	667	}
…		…
227	1	679	1
228	} or warn "$ext not loaded: $@";	680	} or warn "$ext not loaded: $@";
229	}	681	}
230	}	682	}
231		683
		684	sub _perl_reload(&) {
		685	my ($msg) = @_;
		686
		687	$msg->("reloading...");
		688
		689	eval {
		690	# 1. cancel all watchers
		691	$_->cancel for Event::all_watchers;
		692
		693	# 2. unload all extensions
		694	for (@exts) {
		695	$msg->("unloading <$_>");
		696	unload_extension $_;
		697	}
		698
		699	# 3. unload all modules loaded from $LIBDIR
		700	while (my ($k, $v) = each %INC) {
		701	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		702
		703	$msg->("removing <$k>");
		704	delete $INC{$k};
		705
		706	$k =~ s/\.pm$//;
		707	$k =~ s/\//::/g;
		708
		709	if (my $cb = $k->can ("unload_module")) {
		710	$cb->();
		711	}
		712
		713	Symbol::delete_package $k;
		714	}
		715
		716	# 4. get rid of safe::, as good as possible
		717	Symbol::delete_package "safe::$_"
		718	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
		719
		720	# 5. remove register_script_function callbacks
		721	# TODO
		722
		723	# 6. unload cf.pm "a bit"
		724	delete $INC{"cf.pm"};
		725
		726	# don't, removes xs symbols, too,
		727	# and global variables created in xs
		728	#Symbol::delete_package __PACKAGE__;
		729
		730	# 7. reload cf.pm
		731	$msg->("reloading cf.pm");
		732	require cf;
		733
		734	$msg->("load extensions");
		735	cf::load_extensions;
		736	};
		737	$msg->($@) if $@;
		738
		739	$msg->("reloaded");
		740	};
		741
		742	sub perl_reload() {
		743	_perl_reload {
		744	warn $_[0];
		745	print "$_[0]\n";
		746	};
		747	}
		748
232	register_command "perl-reload", 0, sub {	749	register_command "perl-reload", 0, sub {
233	my ($who, $arg) = @_;	750	my ($who, $arg) = @_;
234		751
235	if ($who->flag (FLAG_WIZ)) {	752	if ($who->flag (FLAG_WIZ)) {
236	$who->message ("reloading...");	753	_perl_reload {
237		754	warn $_[0];
238	warn "reloading...\n";	755	$who->message ($_[0]);
239	eval {
240	# 1. cancel all watchers
241	$_->cancel for Event::all_watchers;
242
243	# 2. unload all extensions
244	for (@exts) {
245	$who->message ("unloading <$_>");
246	unload_extension $_;
247	}
248
249	# 3. unload all modules loaded from $LIBDIR
250	while (my ($k, $v) = each %INC) {
251	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
252
253	$who->message ("removing <$k>");
254	delete $INC{$k};
255
256	$k =~ s/\.pm$//;
257	$k =~ s/\//::/g;
258
259	if (my $cb = $k->can ("unload_module")) {
260	$cb->();
261	}
262
263	Symbol::delete_package $k;
264	}
265
266	# 4. get rid of ext::, as good as possible
267	Symbol::delete_package "ext::$_"
268	for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region);
269
270	# 5. remove register_script_function callbacks
271	# TODO
272
273	# 6. unload cf.pm "a bit"
274	delete $INC{"cf.pm"};
275
276	# don't, removes xs symbols, too
277	#Symbol::delete_package __PACKAGE__;
278
279	# 7. reload cf.pm
280	$who->message ("reloading cf.pm");
281	require cf;
282	};	756	};
283	warn $@ if $@;
284	$who->message ($@) if $@;
285	warn "reloaded\n";
286
287	$who->message ("reloaded");
288	} else {
289	$who->message ("Intruder Alert!");
290	}	757	}
291	};	758	};
292
293	#############################################################################
294	# utility functions
295
296	use JSON::Syck (); # TODO# replace by JSON::PC once working
297
298	sub from_json($) {
299	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
300	JSON::Syck::Load $_[0]
301	}
302
303	sub to_json($) {
304	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
305	JSON::Syck::Dump $_[0]
306	}
307		759
308	#############################################################################	760	#############################################################################
309	# extcmd framework, basically convert ext <msg>	761	# extcmd framework, basically convert ext <msg>
310	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few	762	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
311		763
312	sub on_extcmd {	764	attach_to_players
		765	on_extcmd => sub {
313	my ($pl, $buf) = @_;	766	my ($pl, $buf) = @_;
314		767
315	my $msg = eval { from_json $buf };	768	my $msg = eval { from_json $buf };
316		769
317	if (ref $msg) {	770	if (ref $msg) {
318	if (my $cb = $extcmd{$msg->{msgtype}}) {	771	if (my $cb = $extcmd{$msg->{msgtype}}) {
319	if (my %reply = $cb->[0]->($pl, $msg)) {	772	if (my %reply = $cb->[0]->($pl, $msg)) {
320	$pl->ext_reply ($msg->{msgid}, %reply);	773	$pl->ext_reply ($msg->{msgid}, %reply);
		774	}
321	}	775	}
322	}
323	} else {	776	} else {
324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	777	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		778	}
		779
		780	cf::override;
325	}	781	},
326		782	;
327	1
328	}
329		783
330	#############################################################################	784	#############################################################################
331	# load/save/clean perl data associated with a map	785	# load/save/clean perl data associated with a map
332		786
333	*on_mapclean = sub {	787	*cf::mapsupport::on_clean = sub {
334	my ($map) = @_;	788	my ($map) = @_;
335		789
336	my $path = $map->tmpname;	790	my $path = $map->tmpname;
337	defined $path or return;	791	defined $path or return;
338		792
339	unlink "$path.cfperl";	793	unlink "$path.pst";
340	};	794	};
341		795
342	*on_mapin =	796	attach_to_maps prio => -10000, package => cf::mapsupport::;
343	*on_mapload = sub {
344	my ($map) = @_;
345
346	my $path = $map->tmpname;
347	$path = $map->path unless defined $path;
348
349	open my $fh, "<:raw", "$path.cfperl"
350	or return; # no perl data
351
352	my $data = Storable::thaw do { local $/; <$fh> };
353
354	$data->{version} <= 1
355	or return; # too new
356
357	$map->_set_obs ($data->{obs});
358	};
359
360	*on_mapout = sub {
361	my ($map) = @_;
362
363	my $path = $map->tmpname;
364	$path = $map->path unless defined $path;
365
366	my $obs = $map->_get_obs;
367
368	if (defined $obs) {
369	open my $fh, ">:raw", "$path.cfperl"
370	or die "$path.cfperl: $!";
371
372	stat $path;
373
374	print $fh Storable::nfreeze {
375	size => (stat _)[7],
376	time => (stat _)[9],
377	version => 1,
378	obs => $obs,
379	};
380
381	chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible g
382	} else {
383	unlink "$path.cfperl";
384	}
385	};
386		797
387	#############################################################################	798	#############################################################################
388	# load/save perl data associated with player->ob objects	799	# load/save perl data associated with player->ob objects
389		800
390	sub all_objects(@) {	801	sub all_objects(@) {
391	@_, map all_objects ($_->inv), @_	802	@_, map all_objects ($_->inv), @_
392	}	803	}
393		804
394	*on_player_load = sub {	805	# TODO: compatibility cruft, remove when no longer needed
		806	attach_to_players
		807	on_load => sub {
395	my ($ob, $path) = @_;	808	my ($pl, $path) = @_;
396		809
397	for my $o (all_objects $ob) {	810	for my $o (all_objects $pl->ob) {
398	if (my $value = $o->get_ob_key_value ("_perl_data")) {	811	if (my $value = $o->get_ob_key_value ("_perl_data")) {
399	$o->set_ob_key_value ("_perl_data");	812	$o->set_ob_key_value ("_perl_data");
400		813
401	%$o = %{ Storable::thaw pack "H*", $value };	814	%$o = %{ Storable::thaw pack "H*", $value };
402	}	815	}
		816	}
403	}	817	},
404	};	818	;
405
406	*on_player_save = sub {
407	my ($ob, $path) = @_;
408
409	$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)
410	for grep %$_, all_objects $ob;
411	};
412		819
413	#############################################################################	820	#############################################################################
414	# core extensions - in perl	821	# core extensions - in perl
415		822
416	=item cf::player::exists $login	823	=item cf::player::exists $login
…		…
462	}	869	}
463		870
464	#############################################################################	871	#############################################################################
465	# map scripting support	872	# map scripting support
466		873
467	our $safe = new Safe "ext";	874	our $safe = new Safe "safe";
468	our $safe_hole = new Safe::Hole;	875	our $safe_hole = new Safe::Hole;
469		876
470	$SIG{FPE} = 'IGNORE';	877	$SIG{FPE} = 'IGNORE';
471		878
472	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	879	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
…		…
478	["cf::object::player" => qw(player)],	885	["cf::object::player" => qw(player)],
479	["cf::player" => qw(peaceful)],	886	["cf::player" => qw(peaceful)],
480	) {	887	) {
481	no strict 'refs';	888	no strict 'refs';
482	my ($pkg, @funs) = @$_;	889	my ($pkg, @funs) = @$_;
483	*{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	890	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
484	for @funs;	891	for @funs;
485	}	892	}
486		893
487	sub safe_eval($;@) {	894	sub safe_eval($;@) {
488	my ($code, %vars) = @_;	895	my ($code, %vars) = @_;
…		…
490	my $qcode = $code;	897	my $qcode = $code;
491	$qcode =~ s/"/‟/g; # not allowed in #line filenames	898	$qcode =~ s/"/‟/g; # not allowed in #line filenames
492	$qcode =~ s/\n/\\n/g;	899	$qcode =~ s/\n/\\n/g;
493		900
494	local $_;	901	local $_;
495	local @ext::cf::_safe_eval_args = values %vars;	902	local @safe::cf::_safe_eval_args = values %vars;
496		903
497	$code =	904	my $eval =
498	"do {\n"	905	"do {\n"
499	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	906	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
500	. "#line 0 \"{$qcode}\"\n"	907	. "#line 0 \"{$qcode}\"\n"
501	. $code	908	. $code
502	. "\n}"	909	. "\n}"
503	;	910	;
504		911
505	sub_generation_inc;	912	sub_generation_inc;
506	my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code);	913	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
507	sub_generation_inc;	914	sub_generation_inc;
		915
		916	if ($@) {
		917	warn "$@";
		918	warn "while executing safe code '$code'\n";
		919	warn "with arguments " . (join " ", %vars) . "\n";
		920	}
508		921
509	wantarray ? @res : $res[0]	922	wantarray ? @res : $res[0]
510	}	923	}
511		924
512	sub register_script_function {	925	sub register_script_function {
513	my ($fun, $cb) = @_;	926	my ($fun, $cb) = @_;
514		927
515	no strict 'refs';	928	no strict 'refs';
516	*{"ext::$fun"} = $safe_hole->wrap ($cb);	929	*{"safe::$fun"} = $safe_hole->wrap ($cb);
517	}	930	}
518		931
519	#############################################################################	932	#############################################################################
520	# the server's main()	933	# the server's main()
521		934
522	sub run {	935	sub main {
523	my $tick = MAX_TIME * 1e-6;	936	load_extensions;
524	my $next = Event::time;	937	Event::loop;
525	my $timer = Event->timer (at => $next, cb => sub {	938	}
		939
		940	#############################################################################
		941	# initialisation
		942
		943	register "<global>", __PACKAGE__;
		944
		945	unshift @INC, $LIBDIR;
		946
		947	$TICK_WATCHER = Event->timer (
		948	prio => 1,
		949	at => $NEXT_TICK \|\| 1,
		950	cb => sub {
526	cf::server_tick; # one server iteration	951	cf::server_tick; # one server iteration
527		952
528	$next += $tick;
529	my $NOW = Event::time;	953	my $NOW = Event::time;
		954	$NEXT_TICK += $TICK;
530		955
531	# if we are delayd by > 0.25 second, skip ticks	956	# if we are delayed by four ticks, skip them all
532	$next = $NOW if $NOW >= $next + .25;	957	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
533		958
534	$_[0]->w->at ($next);	959	$TICK_WATCHER->at ($NEXT_TICK);
535	$_[0]->w->start;	960	$TICK_WATCHER->start;
536	});	961	},
		962	);
537		963
538	Event::loop;	964	_reload_2;
539	}
540
541	#############################################################################
542	# initialisation
543
544	register "<global>", __PACKAGE__;
545
546	unshift @INC, $LIBDIR;
547
548	load_extensions;
549		965
550	1	966	1
551		967

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.34 by root, Thu Aug 24 13:13:49 2006 UTC vs. Revision 1.61 by root, Sun Sep 3 22:45:56 2006 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.34 by root, Thu Aug 24 13:13:49 2006 UTC vs.
Revision 1.61 by root, Sun Sep 3 22:45:56 2006 UTC