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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.28 by root, Sun Jul 30 17:42:14 2006 UTC vs.
Revision 1.61 by root, Sun Sep 3 22:45:56 2006 UTC

…		…
5	use Storable;	5	use Storable;
6	use Opcode;	6	use Opcode;
7	use Safe;	7	use Safe;
8	use Safe::Hole;	8	use Safe::Hole;
9		9
		10	use Time::HiRes;
10	use Event;	11	use Event;
11	$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
12		13
13	use strict;	14	use strict;
14		15
		16	_reload_1;
		17
15	our %COMMAND;	18	our %COMMAND = ();
16	our @EVENT;	19	our @EVENT;
17	our %PROP_TYPE;	20	our %PROP_TYPE;
18	our %PROP_IDX;	21	our %PROP_IDX;
19	our $LIBDIR = maps_directory "perl";	22	our $LIBDIR = maps_directory "perl";
20		23
		24	our $TICK = MAX_TIME * 1e-6;
		25	our $TICK_WATCHER;
		26	our $NEXT_TICK;
		27
21	BEGIN {	28	BEGIN {
22	@EVENT = map lc, @EVENT;
23
24	*CORE::GLOBAL::warn = sub {	29	*CORE::GLOBAL::warn = sub {
25	my $msg = join "", @_;	30	my $msg = join "", @_;
26	$msg .= "\n"	31	$msg .= "\n"
27	unless $msg =~ /\n$/;	32	unless $msg =~ /\n$/;
28		33
…		…
63	prop_gen PLAYER_PROP => "cf::object::player";	68	prop_gen PLAYER_PROP => "cf::object::player";
64		69
65	prop_gen MAP_PROP => "cf::map";	70	prop_gen MAP_PROP => "cf::map";
66	prop_gen ARCH_PROP => "cf::arch";	71	prop_gen ARCH_PROP => "cf::arch";
67		72
68	# guessed hierarchies
69
70	@ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	73	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
71	@ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object';
72		74
73	# 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
74	# within the Safe compartment.	76	# within the Safe compartment.
75	for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) {	77	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {
76	no strict 'refs';	78	no strict 'refs';
77	@{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	79	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
78	}	80	}
79		81
80	$Event::DIED = sub {	82	$Event::DIED = sub {
81	warn "error in event callback: @_";	83	warn "error in event callback: @_";
82	};	84	};
…		…
85	my @exts;	87	my @exts;
86	my @hook;	88	my @hook;
87	my %command;	89	my %command;
88	my %extcmd;	90	my %extcmd;
89		91
		92	#############################################################################
		93	# utility functions
		94
		95	use JSON::Syck (); # TODO# replace by JSON::PC once working
		96
		97	sub from_json($) {
		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
90	sub inject_event {	547	sub inject_event {
91	my $extension = shift;	548	my $extension = shift;
92	my $event_code = shift;	549	my $event_code = shift;
93		550
94	my $cb = $hook[$event_code]{$extension}	551	my $cb = $hook[$event_code]{$extension}
…		…
136	}	593	}
137		594
138	sub register {	595	sub register {
139	my ($base, $pkg) = @_;	596	my ($base, $pkg) = @_;
140		597
141	for my $idx (0 .. $#EVENT) {	598	#TODO
142	if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
143	#warn "registering $EVENT[$idx] hook to '$pkg'\n";
144	$hook[$idx]{$base} = $ref;
145	}
146	}
147	}	599	}
148		600
149	sub load_extension {	601	sub load_extension {
150	my ($path) = @_;	602	my ($path) = @_;
151		603
152	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	604	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
153	my $base = $1;	605	my $base = $1;
154	my $pkg = $1;	606	my $pkg = $1;
155	$pkg =~ s/[^[:word:]]/_/g;	607	$pkg =~ s/[^[:word:]]/_/g;
156	$pkg = "cf::ext::$pkg";	608	$pkg = "ext::$pkg";
157		609
158	warn "loading '$path' into '$pkg'\n";	610	warn "loading '$path' into '$pkg'\n";
159		611
160	open my $fh, "<:utf8", $path	612	open my $fh, "<:utf8", $path
161	or die "$path: $!";	613	or die "$path: $!";
…		…
181	sub unload_extension {	633	sub unload_extension {
182	my ($pkg) = @_;	634	my ($pkg) = @_;
183		635
184	warn "removing extension $pkg\n";	636	warn "removing extension $pkg\n";
185		637
186	if (my $cb = $pkg->can ("on_unload")) {
187	$cb->($pkg);
188	}
189
190	# remove hooks	638	# remove hooks
		639	#TODO
191	for my $idx (0 .. $#EVENT) {	640	# for my $idx (0 .. $#PLUGIN_EVENT) {
192	delete $hook[$idx]{$pkg};	641	# delete $hook[$idx]{$pkg};
193	}	642	# }
194		643
195	# remove commands	644	# remove commands
196	for my $name (keys %command) {	645	for my $name (keys %command) {
197	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	646	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
198		647
…		…
208	# remove extcmds	657	# remove extcmds
209	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	658	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
210	delete $extcmd{$name};	659	delete $extcmd{$name};
211	}	660	}
212		661
		662	if (my $cb = $pkg->can ("unload")) {
		663	eval {
		664	$cb->($pkg);
		665	1
		666	} or warn "$pkg unloaded, but with errors: $@";
		667	}
		668
213	Symbol::delete_package $pkg;	669	Symbol::delete_package $pkg;
214	}	670	}
215		671
216	sub load_extensions {	672	sub load_extensions {
217	my $LIBDIR = maps_directory "perl";	673	my $LIBDIR = maps_directory "perl";
…		…
223	1	679	1
224	} or warn "$ext not loaded: $@";	680	} or warn "$ext not loaded: $@";
225	}	681	}
226	}	682	}
227		683
		684	sub _perl_reload(&) {
		685	my ($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
228	register_command "perl-reload", 0, sub {	749	register_command "perl-reload", 0, sub {
229	my ($who, $arg) = @_;	750	my ($who, $arg) = @_;
230		751
231	if ($who->flag (FLAG_WIZ)) {	752	if ($who->flag (FLAG_WIZ)) {
232	$who->message ("reloading...");	753	_perl_reload {
233		754	warn $_[0];
234	warn "reloading...\n";	755	$who->message ($_[0]);
235	eval {
236	# 1. cancel all watchers
237	$_->cancel for Event::all_watchers;
238
239	# 2. unload all extensions
240	for (@exts) {
241	$who->message ("unloading <$_>");
242	unload_extension $_;
243	}
244
245	# 3. unload all modules loaded from $LIBDIR
246	while (my ($k, $v) = each %INC) {
247	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
248
249	$who->message ("removing <$k>");
250	delete $INC{$k};
251
252	$k =~ s/\.pm$//;
253	$k =~ s/\//::/g;
254
255	if (my $cb = $k->can ("unload_module")) {
256	$cb->();
257	}
258
259	Symbol::delete_package $k;
260	}
261
262	# 4. get rid of ext::, as good as possible
263	Symbol::delete_package "ext::$_"
264	for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region);
265
266	# 5. remove register_script_function callbacks
267	# TODO
268
269	# 6. unload cf.pm "a bit"
270	delete $INC{"cf.pm"};
271
272	# don't, removes xs symbols, too
273	#Symbol::delete_package __PACKAGE__;
274
275	# 7. reload cf.pm
276	$who->message ("reloading cf.pm");
277	require cf;
278	};	756	};
279	warn $@ if $@;
280	$who->message ($@) if $@;
281	warn "reloaded\n";
282
283	$who->message ("reloaded");
284	} else {
285	$who->message ("Intruder Alert!");
286	}	757	}
287	};	758	};
288
289	#############################################################################
290	# utility functions
291
292	use JSON::Syck (); # TODO# replace by JSON::PC once working
293
294	$JSON::Syck::ImplicitUnicode = 1;
295
296	sub from_json($) {
297	JSON::Syck::Load $_[0]
298	}
299
300	sub to_json($) {
301	JSON::Syck::Dump $_[0]
302	}
303		759
304	#############################################################################	760	#############################################################################
305	# extcmd framework, basically convert ext <msg>	761	# extcmd framework, basically convert ext <msg>
306	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few	762	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
307		763
308	sub on_extcmd {	764	attach_to_players
		765	on_extcmd => sub {
309	my ($pl, $buf) = @_;	766	my ($pl, $buf) = @_;
310		767
311	my $msg = eval { from_json $buf };	768	my $msg = eval { from_json $buf };
312		769
313	if (ref $msg) {	770	if (ref $msg) {
314	if (my $cb = $extcmd{$msg->{msgtype}}) {	771	if (my $cb = $extcmd{$msg->{msgtype}}) {
315	if (my %reply = $cb->[0]->($pl, $msg)) {	772	if (my %reply = $cb->[0]->($pl, $msg)) {
316	$pl->ext_reply ($msg->{msgid}, %reply);	773	$pl->ext_reply ($msg->{msgid}, %reply);
		774	}
317	}	775	}
318	}
319	} else {	776	} else {
320	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;
321	}	781	},
322		782	;
323	1
324	}
325		783
326	#############################################################################	784	#############################################################################
327	# load/save/clean perl data associated with a map	785	# load/save/clean perl data associated with a map
328		786
329	*on_mapclean = sub {	787	*cf::mapsupport::on_clean = sub {
330	my ($map) = @_;	788	my ($map) = @_;
331		789
332	my $path = $map->tmpname;	790	my $path = $map->tmpname;
333	defined $path or return;	791	defined $path or return;
334		792
335	unlink "$path.cfperl";	793	unlink "$path.pst";
336	};	794	};
337		795
338	*on_mapin =	796	attach_to_maps prio => -10000, package => cf::mapsupport::;
339	*on_mapload = sub {
340	my ($map) = @_;
341
342	my $path = $map->tmpname;
343	$path = $map->path unless defined $path;
344
345	open my $fh, "<:raw", "$path.cfperl"
346	or return; # no perl data
347
348	my $data = Storable::thaw do { local $/; <$fh> };
349
350	$data->{version} <= 1
351	or return; # too new
352
353	$map->_set_obs ($data->{obs});
354	};
355
356	*on_mapout = sub {
357	my ($map) = @_;
358
359	my $path = $map->tmpname;
360	$path = $map->path unless defined $path;
361
362	my $obs = $map->_get_obs;
363
364	if (defined $obs) {
365	open my $fh, ">:raw", "$path.cfperl"
366	or die "$path.cfperl: $!";
367
368	stat $path;
369
370	print $fh Storable::nfreeze {
371	size => (stat _)[7],
372	time => (stat _)[9],
373	version => 1,
374	obs => $obs,
375	};
376
377	chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible g
378	} else {
379	unlink "$path.cfperl";
380	}
381	};
382		797
383	#############################################################################	798	#############################################################################
384	# load/save perl data associated with player->ob objects	799	# load/save perl data associated with player->ob objects
385		800
386	*on_player_load = sub {	801	sub all_objects(@) {
		802	@_, map all_objects ($_->inv), @_
		803	}
		804
		805	# TODO: compatibility cruft, remove when no longer needed
		806	attach_to_players
		807	on_load => sub {
387	my ($ob, $path) = @_;	808	my ($pl, $path) = @_;
388		809
389	for my $o ($ob, $ob->inv) {	810	for my $o (all_objects $pl->ob) {
390	if (my $value = $o->get_ob_key_value ("_perl_data")) {	811	if (my $value = $o->get_ob_key_value ("_perl_data")) {
391	$o->set_ob_key_value ("_perl_data");	812	$o->set_ob_key_value ("_perl_data");
392		813
393	%$o = %{ Storable::thaw pack "H*", $value };	814	%$o = %{ Storable::thaw pack "H*", $value };
394	}	815	}
		816	}
395	}	817	},
396	};	818	;
397
398	*on_player_save = sub {
399	my ($ob, $path) = @_;
400
401	$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)
402	for grep %$_, $ob, $ob->inv;
403	};
404		819
405	#############################################################################	820	#############################################################################
406	# core extensions - in perl	821	# core extensions - in perl
407		822
408	=item cf::player::exists $login	823	=item cf::player::exists $login
…		…
454	}	869	}
455		870
456	#############################################################################	871	#############################################################################
457	# map scripting support	872	# map scripting support
458		873
459	our $safe = new Safe "ext";	874	our $safe = new Safe "safe";
460	our $safe_hole = new Safe::Hole;	875	our $safe_hole = new Safe::Hole;
461		876
462	$SIG{FPE} = 'IGNORE';	877	$SIG{FPE} = 'IGNORE';
463		878
464	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	879	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
…		…
470	["cf::object::player" => qw(player)],	885	["cf::object::player" => qw(player)],
471	["cf::player" => qw(peaceful)],	886	["cf::player" => qw(peaceful)],
472	) {	887	) {
473	no strict 'refs';	888	no strict 'refs';
474	my ($pkg, @funs) = @$_;	889	my ($pkg, @funs) = @$_;
475	*{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	890	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
476	for @funs;	891	for @funs;
477	}	892	}
478		893
479	sub safe_eval($;@) {	894	sub safe_eval($;@) {
480	my ($code, %vars) = @_;	895	my ($code, %vars) = @_;
…		…
482	my $qcode = $code;	897	my $qcode = $code;
483	$qcode =~ s/"/‟/g; # not allowed in #line filenames	898	$qcode =~ s/"/‟/g; # not allowed in #line filenames
484	$qcode =~ s/\n/\\n/g;	899	$qcode =~ s/\n/\\n/g;
485		900
486	local $_;	901	local $_;
487	local @ext::cf::_safe_eval_args = values %vars;	902	local @safe::cf::_safe_eval_args = values %vars;
488		903
489	$code =	904	my $eval =
490	"do {\n"	905	"do {\n"
491	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	906	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
492	. "#line 0 \"{$qcode}\"\n"	907	. "#line 0 \"{$qcode}\"\n"
493	. $code	908	. $code
494	. "\n}"	909	. "\n}"
495	;	910	;
496		911
497	sub_generation_inc;	912	sub_generation_inc;
498	my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code);	913	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
499	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	}
500		921
501	wantarray ? @res : $res[0]	922	wantarray ? @res : $res[0]
502	}	923	}
503		924
504	sub register_script_function {	925	sub register_script_function {
505	my ($fun, $cb) = @_;	926	my ($fun, $cb) = @_;
506		927
507	no strict 'refs';	928	no strict 'refs';
508	*{"ext::$fun"} = $safe_hole->wrap ($cb);	929	*{"safe::$fun"} = $safe_hole->wrap ($cb);
		930	}
		931
		932	#############################################################################
		933	# the server's main()
		934
		935	sub main {
		936	load_extensions;
		937	Event::loop;
509	}	938	}
510		939
511	#############################################################################	940	#############################################################################
512	# initialisation	941	# initialisation
513		942
514	register "<global>", __PACKAGE__;	943	register "<global>", __PACKAGE__;
515		944
516	unshift @INC, $LIBDIR;	945	unshift @INC, $LIBDIR;
517		946
518	load_extensions;	947	$TICK_WATCHER = Event->timer (
		948	prio => 1,
		949	at => $NEXT_TICK \|\| 1,
		950	cb => sub {
		951	cf::server_tick; # one server iteration
		952
		953	my $NOW = Event::time;
		954	$NEXT_TICK += $TICK;
		955
		956	# if we are delayed by four ticks, skip them all
		957	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
		958
		959	$TICK_WATCHER->at ($NEXT_TICK);
		960	$TICK_WATCHER->start;
		961	},
		962	);
		963
		964	_reload_2;
519		965
520	1	966	1
521		967

Diff Legend

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

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.28 by root, Sun Jul 30 17:42:14 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 1.28 by root, Sun Jul 30 17:42:14 2006 UTC vs.
Revision 1.61 by root, Sun Sep 3 22:45:56 2006 UTC