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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.15 by root, Sun Jun 11 15:02:16 2006 UTC vs.
Revision 1.59 by root, Wed Aug 30 16:30:37 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	$Event::DIED = sub {
		83	warn "error in event callback: @_";
		84	};
65		85
66	my %ext_pkg;	86	my %ext_pkg;
67	my @exts;	87	my @exts;
68	my @hook;	88	my @hook;
69	my %command;	89	my %command;
70	my %extcmd;	90	my %extcmd;
71		91
		92	#############################################################################
		93	# utility functions
		94
		95	use JSON::Syck (); # TODO# replace by JSON::PC once working
		96
		97	sub from_json($) {
		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 (open my $fh, ">:raw", "$filename~") {
		484	chmod SAVE_MODE, $fh;
		485	syswrite $fh, $$rdata;
		486	close $fh;
		487
		488	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
		489	chmod SAVE_MODE, $fh;
		490	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
		491	close $fh;
		492	rename "$filename.pst~", "$filename.pst";
		493	} else {
		494	unlink "$filename.pst";
		495	}
		496
		497	rename "$filename~", $filename;
		498	} else {
		499	warn "FATAL: $filename~: $!\n";
		500	}
		501	}
		502
		503	sub object_thawer_load {
		504	my ($filename) = @_;
		505
		506	open my $fh, "<:raw:perlio", "$filename.pst"
		507	or return;
		508
		509	eval { local $/; (Storable::thaw <$fh>)->{objs} }
		510	}
		511
		512	attach_to_objects
		513	prio => -1000000,
		514	on_clone => sub {
		515	my ($src, $dst) = @_;
		516
		517	@{$dst->registry} = @{$src->registry};
		518
		519	%$dst = %$src;
		520
		521	%{$dst->{_attachment}} = %{$src->{_attachment}}
		522	if exists $src->{_attachment};
		523	},
		524	;
		525
		526	#############################################################################
		527	# old plug-in events
		528
72	sub inject_event {	529	sub inject_event {
73	my $extension = shift;	530	my $extension = shift;
74	my $event_code = shift;	531	my $event_code = shift;
75		532
76	my $cb = $hook[$event_code]{$extension}	533	my $cb = $hook[$event_code]{$extension}
…		…
100		557
101	sub register_command {	558	sub register_command {
102	my ($name, $time, $cb) = @_;	559	my ($name, $time, $cb) = @_;
103		560
104	my $caller = caller;	561	my $caller = caller;
105
106	warn "registering command '$name/$time' to '$caller'";	562	#warn "registering command '$name/$time' to '$caller'";
107		563
108	push @{ $command{$name} }, [$time, $cb, $caller];	564	push @{ $command{$name} }, [$time, $cb, $caller];
109	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };	565	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
110	}	566	}
111		567
		568	sub register_extcmd {
		569	my ($name, $cb) = @_;
		570
		571	my $caller = caller;
		572	#warn "registering extcmd '$name' to '$caller'";
		573
		574	$extcmd{$name} = [$cb, $caller];
		575	}
		576
112	sub register {	577	sub register {
113	my ($base, $pkg) = @_;	578	my ($base, $pkg) = @_;
114		579
115	for my $idx (0 .. $#EVENT) {	580	#TODO
116	if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
117	warn "registering $EVENT[$idx] hook to '$pkg'\n";
118	$hook[$idx]{$base} = $ref;
119	}
120	}
121	}	581	}
122		582
123	sub load_extension {	583	sub load_extension {
124	my ($path) = @_;	584	my ($path) = @_;
125		585
126	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	586	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
127	my $base = $1;	587	my $base = $1;
128	my $pkg = $1;	588	my $pkg = $1;
129	$pkg =~ s/[^[:word:]]/_/g;	589	$pkg =~ s/[^[:word:]]/_/g;
130	$pkg = "cf::ext::$pkg";	590	$pkg = "ext::$pkg";
131		591
132	warn "loading '$path' into '$pkg'\n";	592	warn "loading '$path' into '$pkg'\n";
133		593
134	open my $fh, "<:utf8", $path	594	open my $fh, "<:utf8", $path
135	or die "$path: $!";	595	or die "$path: $!";
…		…
145		605
146	push @exts, $pkg;	606	push @exts, $pkg;
147	$ext_pkg{$base} = $pkg;	607	$ext_pkg{$base} = $pkg;
148		608
149	# no strict 'refs';	609	# no strict 'refs';
150	# @{"$pkg\::ISA"} = cf::ext::;	610	# @{"$pkg\::ISA"} = ext::;
151		611
152	register $base, $pkg;	612	register $base, $pkg;
153	}	613	}
154		614
155	sub unload_extension {	615	sub unload_extension {
156	my ($pkg) = @_;	616	my ($pkg) = @_;
157		617
158	warn "removing extension $pkg\n";	618	warn "removing extension $pkg\n";
159		619
160	# remove hooks	620	# remove hooks
		621	#TODO
161	for my $idx (0 .. $#EVENT) {	622	# for my $idx (0 .. $#PLUGIN_EVENT) {
162	delete $hook[$idx]{$pkg};	623	# delete $hook[$idx]{$pkg};
163	}	624	# }
164		625
165	# remove commands	626	# remove commands
166	for my $name (keys %command) {	627	for my $name (keys %command) {
167	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	628	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
168		629
…		…
174	delete $COMMAND{"$name\000"};	635	delete $COMMAND{"$name\000"};
175	}	636	}
176	}	637	}
177		638
178	# remove extcmds	639	# remove extcmds
179	for my $name (keys %command) {	640	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
180	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
181
182	if (@cb) {
183	$command{$name} = \@cb;
184	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
185	} else {
186	delete $command{$name};	641	delete $extcmd{$name};
187	delete $COMMAND{"$name\000"};
188	}
189	}	642	}
190		643
		644	if (my $cb = $pkg->can ("unload")) {
		645	eval {
		646	$cb->($pkg);
		647	1
		648	} or warn "$pkg unloaded, but with errors: $@";
		649	}
191		650
192	Symbol::delete_package $pkg;	651	Symbol::delete_package $pkg;
193	}	652	}
194		653
195	sub load_extensions {	654	sub load_extensions {
…		…
202	1	661	1
203	} or warn "$ext not loaded: $@";	662	} or warn "$ext not loaded: $@";
204	}	663	}
205	}	664	}
206		665
		666	sub _perl_reload(&) {
		667	my ($msg) = @_;
		668
		669	$msg->("reloading...");
		670
		671	eval {
		672	# 1. cancel all watchers
		673	$_->cancel for Event::all_watchers;
		674
		675	# 2. unload all extensions
		676	for (@exts) {
		677	$msg->("unloading <$_>");
		678	unload_extension $_;
		679	}
		680
		681	# 3. unload all modules loaded from $LIBDIR
		682	while (my ($k, $v) = each %INC) {
		683	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		684
		685	$msg->("removing <$k>");
		686	delete $INC{$k};
		687
		688	$k =~ s/\.pm$//;
		689	$k =~ s/\//::/g;
		690
		691	if (my $cb = $k->can ("unload_module")) {
		692	$cb->();
		693	}
		694
		695	Symbol::delete_package $k;
		696	}
		697
		698	# 4. get rid of safe::, as good as possible
		699	Symbol::delete_package "safe::$_"
		700	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
		701
		702	# 5. remove register_script_function callbacks
		703	# TODO
		704
		705	# 6. unload cf.pm "a bit"
		706	delete $INC{"cf.pm"};
		707
		708	# don't, removes xs symbols, too,
		709	# and global variables created in xs
		710	#Symbol::delete_package __PACKAGE__;
		711
		712	# 7. reload cf.pm
		713	$msg->("reloading cf.pm");
		714	require cf;
		715	};
		716	$msg->($@) if $@;
		717
		718	$msg->("reloaded");
		719	};
		720
		721	sub perl_reload() {
		722	_perl_reload {
		723	warn $_[0];
		724	print "$_[0]\n";
		725	};
		726	}
		727
207	register_command "perl-reload", 0, sub {	728	register_command "perl-reload", 0, sub {
208	my ($who, $arg) = @_;	729	my ($who, $arg) = @_;
209		730
210	if ($who->flag (FLAG_WIZ)) {	731	if ($who->flag (FLAG_WIZ)) {
211	$who->message ("reloading...");	732	_perl_reload {
212		733	warn $_[0];
213	warn "reloading...\n";	734	$who->message ($_[0]);
214	eval {
215	unload_extension $_ for @exts;
216	delete $INC{"cf.pm"};
217
218	# don't, removes xs symbols, too
219	#Symbol::delete_package $pkg;
220
221	require cf;
222	};	735	};
223	warn $@ if $@;
224	$who->message ($@) if $@;
225	warn "reloaded\n";
226
227	$who->message ("reloaded");
228	} else {
229	$who->message ("Intruder Alert!");
230	}	736	}
231	};	737	};
232		738
233	#############################################################################	739	#############################################################################
234	# extcmd framework, basically convert ext <id> <pkg> arg1 args	740	# extcmd framework, basically convert ext <msg>
235	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few	741	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
236		742
237	sub on_extcmd {	743	attach_to_players
		744	on_extcmd => sub {
238	my ($pl, $buf) = @_;	745	my ($pl, $buf) = @_;
239		746
240	my ($id, $pkg, $name, $data) = split / /, $buf, 4;	747	my $msg = eval { from_json $buf };
241		748
242	if (my $method = "cf::ext::$pkg"->can ("on_extcmd_$name")) {	749	if (ref $msg) {
243	$method->($pl, $id, $buf);	750	if (my $cb = $extcmd{$msg->{msgtype}}) {
		751	if (my %reply = $cb->[0]->($pl, $msg)) {
		752	$pl->ext_reply ($msg->{msgid}, %reply);
		753	}
		754	}
		755	} else {
		756	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		757	}
		758
		759	cf::override;
244	}	760	},
245	}	761	;
246		762
247	#############################################################################	763	#############################################################################
248	# load/save/clean perl data associated with a map	764	# load/save/clean perl data associated with a map
249		765
250	*on_mapclean = sub {	766	*cf::mapsupport::on_clean = sub {
251	my ($map) = @_;	767	my ($map) = @_;
252		768
253	my $path = $map->tmpname;	769	my $path = $map->tmpname;
254	defined $path or return;	770	defined $path or return;
255		771
256	unlink "$path.cfperl";	772	unlink "$path.pst";
257	};	773	};
258		774
259	*on_mapin =	775	attach_to_maps prio => -10000, package => cf::mapsupport::;
		776
		777	#############################################################################
		778	# load/save perl data associated with player->ob objects
		779
		780	sub all_objects(@) {
		781	@_, map all_objects ($_->inv), @_
		782	}
		783
		784	attach_to_players
260	*on_mapload = sub {	785	on_load => sub {
261	my ($map) = @_;	786	my ($pl, $path) = @_;
262		787
263	my $path = $map->tmpname;	788	for my $o (all_objects $pl->ob) {
264	$path = $map->path unless defined $path;	789	if (my $value = $o->get_ob_key_value ("_perl_data")) {
		790	$o->set_ob_key_value ("_perl_data");
265		791
266	open my $fh, "<:raw", "$path.cfperl"	792	%$o = %{ Storable::thaw pack "H*", $value };
267	or return; # no perl data	793	}
268
269	my $data = Storable::thaw do { local $/; <$fh> };
270
271	$data->{version} <= 1
272	or return; # too new
273
274	$map->_set_obs ($data->{obs});
275	};
276
277	*on_mapout = sub {
278	my ($map) = @_;
279
280	my $path = $map->tmpname;
281	$path = $map->path unless defined $path;
282
283	my $obs = $map->_get_obs;
284
285	if (defined $obs) {
286	open my $fh, ">:raw", "$path.cfperl"
287	or die "$path.cfperl: $!";
288
289	stat $path;
290
291	print $fh Storable::nfreeze {
292	size => (stat _)[7],
293	time => (stat _)[9],
294	version => 1,
295	obs => $obs,
296	};	794	}
		795	},
		796	;
297		797
298	chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible g	798	#############################################################################
		799	# core extensions - in perl
		800
		801	=item cf::player::exists $login
		802
		803	Returns true when the given account exists.
		804
		805	=cut
		806
		807	sub cf::player::exists($) {
		808	cf::player::find $_[0]
		809	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
		810	}
		811
		812	=item $player->reply ($npc, $msg[, $flags])
		813
		814	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
		815	can be C<undef>. Does the right thing when the player is currently in a
		816	dialogue with the given NPC character.
		817
		818	=cut
		819
		820	# rough implementation of a future "reply" method that works
		821	# with dialog boxes.
		822	sub cf::object::player::reply($$$;$) {
		823	my ($self, $npc, $msg, $flags) = @_;
		824
		825	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
		826
		827	if ($self->{record_replies}) {
		828	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
299	} else {	829	} else {
300	unlink "$path.cfperl";	830	$msg = $npc->name . " says: $msg" if $npc;
		831	$self->message ($msg, $flags);
301	}	832	}
302	};	833	}
303		834
304	#############################################################################	835	=item $player->ext_reply ($msgid, $msgtype, %msg)
305	# load/save perl data associated with player->ob objects
306		836
307	*on_player_load = sub {	837	Sends an ext reply to the player.
		838
		839	=cut
		840
		841	sub cf::player::ext_reply($$$%) {
		842	my ($self, $id, %msg) = @_;
		843
		844	$msg{msgid} = $id;
		845
		846	$self->send ("ext " . to_json \%msg);
		847	}
		848
		849	#############################################################################
		850	# map scripting support
		851
		852	our $safe = new Safe "safe";
		853	our $safe_hole = new Safe::Hole;
		854
		855	$SIG{FPE} = 'IGNORE';
		856
		857	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
		858
		859	# here we export the classes and methods available to script code
		860
		861	for (
		862	["cf::object" => qw(contr pay_amount pay_player)],
		863	["cf::object::player" => qw(player)],
		864	["cf::player" => qw(peaceful)],
		865	) {
		866	no strict 'refs';
		867	my ($pkg, @funs) = @$_;
		868	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
		869	for @funs;
		870	}
		871
		872	sub safe_eval($;@) {
308	my ($ob, $path) = @_;	873	my ($code, %vars) = @_;
309		874
310	if (open my $fh, "<:raw", "$path.cfperl") {	875	my $qcode = $code;
		876	$qcode =~ s/"/‟/g; # not allowed in #line filenames
		877	$qcode =~ s/\n/\\n/g;
311		878
312	#d##TODO#remove	879	local $_;
		880	local @safe::cf::_safe_eval_args = values %vars;
313		881
314	my $data = Storable::thaw do { local $/; <$fh> };	882	my $eval =
315		883	"do {\n"
316	$data->{version} <= 1	884	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
317	or return; # too new	885	. "#line 0 \"{$qcode}\"\n"
318		886	. $code
319	%$ob = %{$data->{ob}};	887	. "\n}"
320	return;
321	}	888	;
322		889
323	for my $o ($ob, $ob->inv) {	890	sub_generation_inc;
324	if (my $value = $o->get_ob_key_value ("_perl_data")) {	891	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
325	$o->set_ob_key_value ("_perl_data");	892	sub_generation_inc;
326		893
327	%$o = %{ Storable::thaw pack "H*", $value };	894	if ($@) {
328	}	895	warn "$@";
		896	warn "while executing safe code '$code'\n";
		897	warn "with arguments " . (join " ", %vars) . "\n";
329	}	898	}
330	};
331		899
332	*on_player_save = sub {	900	wantarray ? @res : $res[0]
333	my ($ob, $path) = @_;	901	}
334		902
335	$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)	903	sub register_script_function {
336	for grep %$_, $ob, $ob->inv;	904	my ($fun, $cb) = @_;
337		905
338	unlink "$path.cfperl";#d##TODO#remove	906	no strict 'refs';
339	};	907	*{"safe::$fun"} = $safe_hole->wrap ($cb);
		908	}
		909
		910	#############################################################################
		911	# the server's main()
		912
		913	sub main {
		914	Event::loop;
		915	}
		916
		917	#############################################################################
		918	# initialisation
340		919
341	register "<global>", __PACKAGE__;	920	register "<global>", __PACKAGE__;
342		921
		922	unshift @INC, $LIBDIR;
		923
343	load_extensions;	924	load_extensions;
344		925
		926	$TICK_WATCHER = Event->timer (
		927	prio => 1,
		928	at => $NEXT_TICK \|\| 1,
		929	cb => sub {
		930	cf::server_tick; # one server iteration
		931
		932	my $NOW = Event::time;
		933	$NEXT_TICK += $TICK;
		934
		935	# if we are delayed by four ticks, skip them all
		936	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
		937
		938	$TICK_WATCHER->at ($NEXT_TICK);
		939	$TICK_WATCHER->start;
		940	},
		941	);
		942
		943	_reload_2;
		944
345	1	945	1
346		946

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.15 by root, Sun Jun 11 15:02:16 2006 UTC vs. Revision 1.59 by root, Wed Aug 30 16:30:37 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.15 by root, Sun Jun 11 15:02:16 2006 UTC vs.
Revision 1.59 by root, Wed Aug 30 16:30:37 2006 UTC