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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.14 by root, Fri Mar 31 22:47:35 2006 UTC vs.
Revision 1.58 by root, Wed Aug 30 12:08:15 2006 UTC

…		…
1	package cf;	1	package cf;
2		2
3	use Symbol;	3	use Symbol;
4	use List::Util;	4	use List::Util;
5	use Storable;	5	use Storable;
		6	use Opcode;
		7	use Safe;
		8	use Safe::Hole;
		9
		10	use Time::HiRes;
		11	use Event;
		12	$Event::Eval = 1; # no idea why this is required, but it is
6		13
7	use strict;	14	use strict;
8		15
		16	_reload_1;
		17
9	our %COMMAND;	18	our %COMMAND = ();
10	our @EVENT;	19	our @EVENT;
11	our %PROP_TYPE;	20	our %PROP_TYPE;
12	our %PROP_IDX;	21	our %PROP_IDX;
		22	our $LIBDIR = maps_directory "perl";
		23
		24	our $TICK = MAX_TIME * 1e-6;
		25	our $TICK_WATCHER;
		26	our $NEXT_TICK;
13		27
14	BEGIN {	28	BEGIN {
15	@EVENT = map lc, @EVENT;
16
17	*CORE::GLOBAL::warn = sub {	29	*CORE::GLOBAL::warn = sub {
18	my $msg = join "", @_;	30	my $msg = join "", @_;
19	$msg .= "\n"	31	$msg .= "\n"
20	unless $msg =~ /\n$/;	32	unless $msg =~ /\n$/;
21		33
56	prop_gen PLAYER_PROP => "cf::object::player";	68	prop_gen PLAYER_PROP => "cf::object::player";
57		69
58	prop_gen MAP_PROP => "cf::map";	70	prop_gen MAP_PROP => "cf::map";
59	prop_gen ARCH_PROP => "cf::arch";	71	prop_gen ARCH_PROP => "cf::arch";
60		72
61	# guessed hierarchies	73	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
62		74
63	@cf::object::player::ISA = 'cf::object';	75	# we bless all objects into (empty) derived classes to force a method lookup
64	@cf::object::map::ISA = 'cf::object';	76	# within the Safe compartment.
		77	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {
		78	no strict 'refs';
		79	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
		80	}
		81
		82	$Event::DIED = sub {
		83	warn "error in event callback: @_";
		84	};
65		85
66	my %ext_pkg;	86	my %ext_pkg;
67	my @exts;	87	my @exts;
68	my @hook;	88	my @hook;
69	my %command;	89	my %command;
		90	my %extcmd;
		91
		92	#############################################################################
		93	# utility functions
		94
		95	use JSON::Syck (); # TODO# replace by JSON::PC once working
		96
		97	sub from_json($) {
		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, $objs) = @_;
		482
		483	if (@$objs) {
		484	open my $fh, ">:raw", "$filename.pst~";
		485	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
		486	close $fh;
		487	chmod SAVE_MODE, "$filename.pst~";
		488	rename "$filename.pst~", "$filename.pst";
		489	} else {
		490	unlink "$filename.pst";
		491	}
		492
		493	chmod SAVE_MODE, "$filename~";
		494	rename "$filename~", $filename;
		495	}
		496
		497	sub object_thawer_load {
		498	my ($filename) = @_;
		499
		500	open my $fh, "<:raw:perlio", "$filename.pst"
		501	or return;
		502
		503	eval { local $/; (Storable::thaw <$fh>)->{objs} }
		504	}
		505
		506	attach_to_objects
		507	prio => -1000000,
		508	on_clone => sub {
		509	my ($src, $dst) = @_;
		510
		511	@{$dst->registry} = @{$src->registry};
		512
		513	%$dst = %$src;
		514
		515	%{$dst->{_attachment}} = %{$src->{_attachment}}
		516	if exists $src->{_attachment};
		517	},
		518	;
		519
		520	#############################################################################
		521	# old plug-in events
70		522
71	sub inject_event {	523	sub inject_event {
72	my $extension = shift;	524	my $extension = shift;
73	my $event_code = shift;	525	my $event_code = shift;
74		526
…		…
99		551
100	sub register_command {	552	sub register_command {
101	my ($name, $time, $cb) = @_;	553	my ($name, $time, $cb) = @_;
102		554
103	my $caller = caller;	555	my $caller = caller;
104
105	warn "registering command '$name/$time' to '$caller'";	556	#warn "registering command '$name/$time' to '$caller'";
106		557
107	push @{ $command{$name} }, [$time, $cb, $caller];	558	push @{ $command{$name} }, [$time, $cb, $caller];
108	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };	559	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
109	}	560	}
110		561
		562	sub register_extcmd {
		563	my ($name, $cb) = @_;
		564
		565	my $caller = caller;
		566	#warn "registering extcmd '$name' to '$caller'";
		567
		568	$extcmd{$name} = [$cb, $caller];
		569	}
		570
111	sub register {	571	sub register {
112	my ($base, $pkg) = @_;	572	my ($base, $pkg) = @_;
113		573
114	for my $idx (0 .. $#EVENT) {	574	#TODO
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	}	575	}
121		576
122	sub load_extension {	577	sub load_extension {
123	my ($path) = @_;	578	my ($path) = @_;
124		579
125	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	580	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
126	my $base = $1;	581	my $base = $1;
127	my $pkg = $1;	582	my $pkg = $1;
128	$pkg =~ s/[^[:word:]]/_/g;	583	$pkg =~ s/[^[:word:]]/_/g;
129	$pkg = "cf::ext::$pkg";	584	$pkg = "ext::$pkg";
130		585
131	warn "loading '$path' into '$pkg'\n";	586	warn "loading '$path' into '$pkg'\n";
132		587
133	open my $fh, "<:utf8", $path	588	open my $fh, "<:utf8", $path
134	or die "$path: $!";	589	or die "$path: $!";
…		…
144		599
145	push @exts, $pkg;	600	push @exts, $pkg;
146	$ext_pkg{$base} = $pkg;	601	$ext_pkg{$base} = $pkg;
147		602
148	# no strict 'refs';	603	# no strict 'refs';
149	# @{"$pkg\::ISA"} = cf::ext::;	604	# @{"$pkg\::ISA"} = ext::;
150		605
151	register $base, $pkg;	606	register $base, $pkg;
152	}	607	}
153		608
154	sub unload_extension {	609	sub unload_extension {
155	my ($pkg) = @_;	610	my ($pkg) = @_;
156		611
157	warn "removing extension $pkg\n";	612	warn "removing extension $pkg\n";
158		613
159	# remove hooks	614	# remove hooks
		615	#TODO
160	for my $idx (0 .. $#EVENT) {	616	# for my $idx (0 .. $#PLUGIN_EVENT) {
161	delete $hook[$idx]{$pkg};	617	# delete $hook[$idx]{$pkg};
162	}	618	# }
163		619
164	# remove commands	620	# remove commands
165	for my $name (keys %command) {	621	for my $name (keys %command) {
166	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	622	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
167		623
…		…
172	delete $command{$name};	628	delete $command{$name};
173	delete $COMMAND{"$name\000"};	629	delete $COMMAND{"$name\000"};
174	}	630	}
175	}	631	}
176		632
		633	# remove extcmds
		634	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
		635	delete $extcmd{$name};
		636	}
		637
		638	if (my $cb = $pkg->can ("unload")) {
		639	eval {
		640	$cb->($pkg);
		641	1
		642	} or warn "$pkg unloaded, but with errors: $@";
		643	}
		644
177	Symbol::delete_package $pkg;	645	Symbol::delete_package $pkg;
178	}	646	}
179		647
180	sub load_extensions {	648	sub load_extensions {
181	my $LIBDIR = maps_directory "perl";	649	my $LIBDIR = maps_directory "perl";
…		…
187	1	655	1
188	} or warn "$ext not loaded: $@";	656	} or warn "$ext not loaded: $@";
189	}	657	}
190	}	658	}
191		659
		660	sub _perl_reload(&) {
		661	my ($msg) = @_;
		662
		663	$msg->("reloading...");
		664
		665	eval {
		666	# 1. cancel all watchers
		667	$_->cancel for Event::all_watchers;
		668
		669	# 2. unload all extensions
		670	for (@exts) {
		671	$msg->("unloading <$_>");
		672	unload_extension $_;
		673	}
		674
		675	# 3. unload all modules loaded from $LIBDIR
		676	while (my ($k, $v) = each %INC) {
		677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		678
		679	$msg->("removing <$k>");
		680	delete $INC{$k};
		681
		682	$k =~ s/\.pm$//;
		683	$k =~ s/\//::/g;
		684
		685	if (my $cb = $k->can ("unload_module")) {
		686	$cb->();
		687	}
		688
		689	Symbol::delete_package $k;
		690	}
		691
		692	# 4. get rid of safe::, as good as possible
		693	Symbol::delete_package "safe::$_"
		694	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
		695
		696	# 5. remove register_script_function callbacks
		697	# TODO
		698
		699	# 6. unload cf.pm "a bit"
		700	delete $INC{"cf.pm"};
		701
		702	# don't, removes xs symbols, too,
		703	# and global variables created in xs
		704	#Symbol::delete_package __PACKAGE__;
		705
		706	# 7. reload cf.pm
		707	$msg->("reloading cf.pm");
		708	require cf;
		709	};
		710	$msg->($@) if $@;
		711
		712	$msg->("reloaded");
		713	};
		714
		715	sub perl_reload() {
		716	_perl_reload {
		717	warn $_[0];
		718	print "$_[0]\n";
		719	};
		720	}
		721
192	register_command "perl-reload", 0, sub {	722	register_command "perl-reload", 0, sub {
193	my ($who, $arg) = @_;	723	my ($who, $arg) = @_;
194		724
195	if ($who->flag (FLAG_WIZ)) {	725	if ($who->flag (FLAG_WIZ)) {
196	$who->message ("reloading...");	726	_perl_reload {
197		727	warn $_[0];
198	warn "reloading...\n";	728	$who->message ($_[0]);
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	};	729	};
208	warn $@ if $@;
209	$who->message ($@) if $@;
210	warn "reloaded\n";
211
212	$who->message ("reloaded");
213	} else {
214	$who->message ("Intruder Alert!");
215	}	730	}
216	};	731	};
217		732
218	#############################################################################	733	#############################################################################
		734	# extcmd framework, basically convert ext <msg>
		735	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
		736
		737	attach_to_players
		738	on_extcmd => sub {
		739	my ($pl, $buf) = @_;
		740
		741	my $msg = eval { from_json $buf };
		742
		743	if (ref $msg) {
		744	if (my $cb = $extcmd{$msg->{msgtype}}) {
		745	if (my %reply = $cb->[0]->($pl, $msg)) {
		746	$pl->ext_reply ($msg->{msgid}, %reply);
		747	}
		748	}
		749	} else {
		750	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		751	}
		752
		753	cf::override;
		754	},
		755	;
		756
		757	#############################################################################
219	# load/save/clean perl data associated with a map	758	# load/save/clean perl data associated with a map
220		759
221	*on_mapclean = sub {	760	*cf::mapsupport::on_clean = sub {
222	my ($map) = @_;	761	my ($map) = @_;
223		762
224	my $path = $map->tmpname;	763	my $path = $map->tmpname;
225	defined $path or return;	764	defined $path or return;
226		765
227	unlink "$path.cfperl";	766	unlink "$path.pst";
228	};	767	};
229		768
230	*on_mapin =	769	attach_to_maps prio => -10000, package => cf::mapsupport::;
		770
		771	#############################################################################
		772	# load/save perl data associated with player->ob objects
		773
		774	sub all_objects(@) {
		775	@_, map all_objects ($_->inv), @_
		776	}
		777
		778	attach_to_players
231	*on_mapload = sub {	779	on_load => sub {
232	my ($map) = @_;	780	my ($pl, $path) = @_;
233		781
234	my $path = $map->tmpname;	782	for my $o (all_objects $pl->ob) {
235	$path = $map->path unless defined $path;	783	if (my $value = $o->get_ob_key_value ("_perl_data")) {
		784	$o->set_ob_key_value ("_perl_data");
236		785
237	open my $fh, "<:raw", "$path.cfperl"	786	%$o = %{ Storable::thaw pack "H*", $value };
238	or return; # no perl data	787	}
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	};	788	}
		789	},
		790	;
268		791
269	chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible g	792	#############################################################################
		793	# core extensions - in perl
		794
		795	=item cf::player::exists $login
		796
		797	Returns true when the given account exists.
		798
		799	=cut
		800
		801	sub cf::player::exists($) {
		802	cf::player::find $_[0]
		803	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
		804	}
		805
		806	=item $player->reply ($npc, $msg[, $flags])
		807
		808	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
		809	can be C<undef>. Does the right thing when the player is currently in a
		810	dialogue with the given NPC character.
		811
		812	=cut
		813
		814	# rough implementation of a future "reply" method that works
		815	# with dialog boxes.
		816	sub cf::object::player::reply($$$;$) {
		817	my ($self, $npc, $msg, $flags) = @_;
		818
		819	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
		820
		821	if ($self->{record_replies}) {
		822	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
270	} else {	823	} else {
271	unlink "$path.cfperl";	824	$msg = $npc->name . " says: $msg" if $npc;
		825	$self->message ($msg, $flags);
272	}	826	}
273	};	827	}
274		828
275	#############################################################################	829	=item $player->ext_reply ($msgid, $msgtype, %msg)
276	# load/save perl data associated with player->ob objects
277		830
278	*on_player_load = sub {	831	Sends an ext reply to the player.
		832
		833	=cut
		834
		835	sub cf::player::ext_reply($$$%) {
		836	my ($self, $id, %msg) = @_;
		837
		838	$msg{msgid} = $id;
		839
		840	$self->send ("ext " . to_json \%msg);
		841	}
		842
		843	#############################################################################
		844	# map scripting support
		845
		846	our $safe = new Safe "safe";
		847	our $safe_hole = new Safe::Hole;
		848
		849	$SIG{FPE} = 'IGNORE';
		850
		851	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
		852
		853	# here we export the classes and methods available to script code
		854
		855	for (
		856	["cf::object" => qw(contr pay_amount pay_player)],
		857	["cf::object::player" => qw(player)],
		858	["cf::player" => qw(peaceful)],
		859	) {
		860	no strict 'refs';
		861	my ($pkg, @funs) = @$_;
		862	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
		863	for @funs;
		864	}
		865
		866	sub safe_eval($;@) {
279	my ($ob, $path) = @_;	867	my ($code, %vars) = @_;
280		868
281	if (open my $fh, "<:raw", "$path.cfperl") {	869	my $qcode = $code;
		870	$qcode =~ s/"/‟/g; # not allowed in #line filenames
		871	$qcode =~ s/\n/\\n/g;
282		872
283	#d##TODO#remove	873	local $_;
		874	local @safe::cf::_safe_eval_args = values %vars;
284		875
285	my $data = Storable::thaw do { local $/; <$fh> };	876	my $eval =
286		877	"do {\n"
287	$data->{version} <= 1	878	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
288	or return; # too new	879	. "#line 0 \"{$qcode}\"\n"
289		880	. $code
290	%$ob = %{$data->{ob}};	881	. "\n}"
291	return;
292	}	882	;
293		883
294	for my $o ($ob, $ob->inv) {	884	sub_generation_inc;
295	if (my $value = $o->get_ob_key_value ("_perl_data")) {	885	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
296	$o->set_ob_key_value ("_perl_data");	886	sub_generation_inc;
297		887
298	%$o = %{ Storable::thaw pack "H*", $value };	888	if ($@) {
299	}	889	warn "$@";
		890	warn "while executing safe code '$code'\n";
		891	warn "with arguments " . (join " ", %vars) . "\n";
300	}	892	}
301	};
302		893
303	*on_player_save = sub {	894	wantarray ? @res : $res[0]
304	my ($ob, $path) = @_;	895	}
305		896
306	$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)	897	sub register_script_function {
307	for grep %$_, $ob, $ob->inv;	898	my ($fun, $cb) = @_;
308		899
309	unlink "$path.cfperl";#d##TODO#remove	900	no strict 'refs';
310	};	901	*{"safe::$fun"} = $safe_hole->wrap ($cb);
		902	}
		903
		904	#############################################################################
		905	# the server's main()
		906
		907	sub main {
		908	Event::loop;
		909	}
		910
		911	#############################################################################
		912	# initialisation
311		913
312	register "<global>", __PACKAGE__;	914	register "<global>", __PACKAGE__;
313		915
		916	unshift @INC, $LIBDIR;
		917
314	load_extensions;	918	load_extensions;
315		919
		920	$TICK_WATCHER = Event->timer (
		921	prio => 1,
		922	at => $NEXT_TICK \|\| 1,
		923	cb => sub {
		924	cf::server_tick; # one server iteration
		925
		926	my $NOW = Event::time;
		927	$NEXT_TICK += $TICK;
		928
		929	# if we are delayed by four ticks, skip them all
		930	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
		931
		932	$TICK_WATCHER->at ($NEXT_TICK);
		933	$TICK_WATCHER->start;
		934	},
		935	);
		936
		937	_reload_2;
		938
316	1	939	1
317		940

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.14 by root, Fri Mar 31 22:47:35 2006 UTC vs. Revision 1.58 by root, Wed Aug 30 12:08:15 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.14 by root, Fri Mar 31 22:47:35 2006 UTC vs.
Revision 1.58 by root, Wed Aug 30 12:08:15 2006 UTC