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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.2 by root, Fri Feb 3 21:22:53 2006 UTC vs.
Revision 1.54 by root, Tue Aug 29 14:49:28 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;
		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
5		13
6	use strict;	14	use strict;
7		15
		16	_reload_1;
		17
8	our %COMMAND;	18	our %COMMAND = ();
9	our @EVENT;	19	our @EVENT;
10	our %PROP_TYPE;	20	our %PROP_TYPE;
11	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;
12		27
13	BEGIN {	28	BEGIN {
14	@EVENT = map lc, @EVENT;
15
16	*CORE::GLOBAL::warn = sub {	29	*CORE::GLOBAL::warn = sub {
17	my $msg = join "", @_;	30	my $msg = join "", @_;
18	$msg .= "\n"	31	$msg .= "\n"
19	unless $msg =~ /\n$/;	32	unless $msg =~ /\n$/;
20		33
21	print STDERR "cfperl: $msg";	34	print STDERR "cfperl: $msg";
22	LOG llevError, "cfperl: $msg";	35	LOG llevError, "cfperl: $msg";
23	};	36	};
24	}	37	}
25		38
		39	my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply!
		40
26	# generate property mutators	41	# generate property mutators
27	sub prop_gen {	42	sub prop_gen {
28	my ($prefix, $class) = @_;	43	my ($prefix, $class) = @_;
29		44
30	no strict 'refs';	45	no strict 'refs';
40	$_[0]->get_property ($type, $idx)	55	$_[0]->get_property ($type, $idx)
41	};	56	};
42		57
43	*{"$class\::set_$sub"} = sub {	58	*{"$class\::set_$sub"} = sub {
44	$_[0]->set_property ($type, $idx, $_[1]);	59	$_[0]->set_property ($type, $idx, $_[1]);
45	};	60	} unless $ignore_set{$prop};
46	}	61	}
47	}	62	}
48		63
49	# auto-generate most of the API	64	# auto-generate most of the API
50		65
…		…
53	prop_gen PLAYER_PROP => "cf::object::player";	68	prop_gen PLAYER_PROP => "cf::object::player";
54		69
55	prop_gen MAP_PROP => "cf::map";	70	prop_gen MAP_PROP => "cf::map";
56	prop_gen ARCH_PROP => "cf::arch";	71	prop_gen ARCH_PROP => "cf::arch";
57		72
58	# guessed hierarchies	73	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
59		74
60	@cf::object::player::ISA = 'cf::object';	75	# we bless all objects into (empty) derived classes to force a method lookup
61	@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	}
62		81
		82	$Event::DIED = sub {
		83	warn "error in event callback: @_";
		84	};
		85
		86	my %ext_pkg;
63	my @exts;	87	my @exts;
64	my @hook;	88	my @hook;
65	my %command;	89	my %command;
		90	my %extcmd;
		91
		92	#############################################################################
		93	# utility functions
		94
		95	use JSON::Syck (); # TODO# replace by JSON::PC once working
		96
		97	sub from_json($) {
		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	=item $object->attach ($attachment, key => $value...)
		111
		112	=item $object->detach ($attachment)
		113
		114	Attach/detach a pre-registered attachment to an object.
		115
		116	=item $player->attach ($attachment, key => $value...)
		117
		118	=item $player->detach ($attachment)
		119
		120	Attach/detach a pre-registered attachment to a player.
		121
		122	=item $map->attach ($attachment, key => $value...)
		123
		124	=item $map->detach ($attachment)
		125
		126	Attach/detach a pre-registered attachment to a map.
		127
		128	=item cf::attach_global ...
		129
		130	Attach handlers for global events.
		131
		132	This and all following C<attach_*>-functions expect any number of the
		133	following handler/hook descriptions:
		134
		135	=over 4
		136
		137	=item prio => $number
		138
		139	Set the priority for all following handlers/hooks (unless overwritten
		140	by another C<prio> setting). Lower priority handlers get executed
		141	earlier. The default priority is C<0>, and many built-in handlers are
		142	registered at priority C<-1000>, so lower priorities should not be used
		143	unless you know what you are doing.
		144
		145	=item on_I<event> => \&cb
		146
		147	Call the given code reference whenever the named event happens (event is
		148	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
		149	handlers are recognised generally depends on the type of object these
		150	handlers attach to).
		151
		152	See F<include/eventinc.h> for the full list of events supported, and their
		153	class.
		154
		155	=item package => package::
		156
		157	Look for sub functions of the name C<< on_I<event> >> in the given
		158	package and register them. Only handlers for eevents supported by the
		159	object/class are recognised.
		160
		161	=back
		162
		163	=item cf::attach_to_type $object_type, $subtype, ...
		164
		165	Attach handlers for a specific object type (e.g. TRANSPORT) and
		166	subtype. If C<$subtype> is zero or undef, matches all objects of the given
		167	type.
		168
		169	=item cf::attach_to_objects ...
		170
		171	Attach handlers to all objects. Do not use this except for debugging or
		172	very rare events, as handlers are (obviously) called for I<all> objects in
		173	the game.
		174
		175	=item cf::attach_to_players ...
		176
		177	Attach handlers to all players.
		178
		179	=item cf::attach_to_maps ...
		180
		181	Attach handlers to all maps.
		182
		183	=item cf:register_attachment $name, ...
		184
		185	Register an attachment by name through which objects can refer to this
		186	attachment.
		187
		188	=item cf:register_map_attachment $name, ...
		189
		190	Register an attachment by name through which maps can refer to this
		191	attachment.
		192
		193	=cut
		194
		195	# the following variables are defined in .xs and must not be re-created
		196	our @CB_GLOBAL = (); # registry for all global events
		197	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		198	our @CB_PLAYER = ();
		199	our @CB_TYPE = (); # registry for type (cf-object class) based events
		200	our @CB_MAP = ();
		201
		202	my %attachment;
		203
		204	sub _attach_cb($\%$$$) {
		205	my ($registry, $undo, $event, $prio, $cb) = @_;
		206
		207	use sort 'stable';
		208
		209	$cb = [$prio, $cb];
		210
		211	@{$registry->[$event]} = sort
		212	{ $a->[0] cmp $b->[0] }
		213	@{$registry->[$event] \|\| []}, $cb;
		214
		215	push @{$undo->{cb}}, [$event, $cb];
		216	}
		217
		218	# attach handles attaching event callbacks
		219	# the only thing the caller has to do is pass the correct
		220	# registry (== where the callback attaches to).
		221	sub _attach(\@$@) {
		222	my ($registry, $klass, @arg) = @_;
		223
		224	my $prio = 0;
		225
		226	my %undo = (
		227	registry => $registry,
		228	cb => [],
		229	);
		230
		231	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		232
		233	while (@arg) {
		234	my $type = shift @arg;
		235
		236	if ($type eq "prio") {
		237	$prio = shift @arg;
		238
		239	} elsif ($type eq "package") {
		240	my $pkg = shift @arg;
		241
		242	while (my ($name, $id) = each %cb_id) {
		243	if (my $cb = $pkg->can ($name)) {
		244	_attach_cb $registry, %undo, $id, $prio, $cb;
		245	}
		246	}
		247
		248	} elsif (exists $cb_id{$type}) {
		249	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
		250
		251	} elsif (ref $type) {
		252	warn "attaching objects not supported, ignoring.\n";
		253
		254	} else {
		255	shift @arg;
		256	warn "attach argument '$type' not supported, ignoring.\n";
		257	}
		258	}
		259
		260	\%undo
		261	}
		262
		263	sub _attach_attachment {
		264	my ($obj, $name, %arg) = @_;
		265
		266	my $res;
		267
		268	if (my $attach = $attachment{$name}) {
		269	my $registry = $obj->registry;
		270
		271	for (@$attach) {
		272	my ($klass, @attach) = @$_;
		273	$res = _attach @$registry, $klass, @attach;
		274	}
		275
		276	$obj->{$name} = \%arg;
		277	} else {
		278	warn "object uses attachment '$name' that is not available, postponing.\n";
		279	}
		280
		281	$obj->{_attachment}{$name} = undef;
		282
		283	$res->{attachment} = $name;
		284	$res
		285	}
		286
		287	*cf::object::attach =
		288	*cf::player::attach =
		289	*cf::map::attach = sub {
		290	my ($obj, $name, %arg) = @_;
		291
		292	_attach_attachment $obj, $name, %arg;
		293	}
		294
		295	# all those should be optimised
		296	*cf::object::detach =
		297	*cf::player::detach =
		298	*cf::map::detach = sub {
		299	my ($obj, $name) = @_;
		300
		301	delete $obj->{_attachment}{$name};
		302	reattach $obj;
		303	};
		304
		305	sub attach_global {
		306	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
		307	}
		308
		309	sub attach_to_type {
		310	my $type = shift;
		311	my $subtype = shift;
		312
		313	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
		314	}
		315
		316	sub attach_to_objects {
		317	_attach @CB_OBJECT, KLASS_OBJECT, @_
		318	}
		319
		320	sub attach_to_players {
		321	_attach @CB_PLAYER, KLASS_PLAYER, @_
		322	}
		323
		324	sub attach_to_maps {
		325	_attach @CB_MAP, KLASS_MAP, @_
		326	}
		327
		328	sub register_attachment {
		329	my $name = shift;
		330
		331	$attachment{$name} = [[KLASS_OBJECT, @_]];
		332	}
		333
		334	sub register_map_attachment {
		335	my $name = shift;
		336
		337	$attachment{$name} = [[KLASS_MAP, @_]];
		338	}
		339
		340	our $override;
		341	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		342
		343	sub override {
		344	$override = 1;
		345	@invoke_results = ();
		346	}
		347
		348	sub do_invoke {
		349	my $event = shift;
		350	my $callbacks = shift;
		351
		352	@invoke_results = ();
		353
		354	local $override;
		355
		356	for (@$callbacks) {
		357	eval { &{$_->[1]} };
		358
		359	if ($@) {
		360	warn "$@";
		361	warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n";
		362	override;
		363	}
		364
		365	return 1 if $override;
		366	}
		367
		368	0
		369	}
		370
		371	#############################################################################
		372	# object support
		373
		374	sub instantiate {
		375	my ($obj, $data) = @_;
		376
		377	$data = from_json $data;
		378
		379	for (@$data) {
		380	my ($name, $args) = @$_;
		381
		382	$obj->attach ($name, %{$args \|\| {} });
		383	}
		384	}
		385
		386	# basically do the same as instantiate, without calling instantiate
		387	sub reattach {
		388	my ($obj) = @_;
		389	my $registry = $obj->registry;
		390
		391	@$registry = ();
		392
		393	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
		394
		395	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
		396	if (my $attach = $attachment{$name}) {
		397	for (@$attach) {
		398	my ($klass, @attach) = @$_;
		399	_attach @$registry, $klass, @attach;
		400	}
		401	} else {
		402	warn "object uses attachment '$name' that is not available, postponing.\n";
		403	}
		404	}
		405	}
		406
		407	sub object_freezer_save {
		408	my ($filename, $objs) = @_;
		409
		410	if (@$objs) {
		411	open my $fh, ">:raw", "$filename.pst~";
		412	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
		413	close $fh;
		414	chmod SAVE_MODE, "$filename.pst~";
		415	rename "$filename.pst~", "$filename.pst";
		416	} else {
		417	unlink "$filename.pst";
		418	}
		419
		420	chmod SAVE_MODE, "$filename~";
		421	rename "$filename~", $filename;
		422	}
		423
		424	sub object_thawer_load {
		425	my ($filename) = @_;
		426
		427	open my $fh, "<:raw:perlio", "$filename.pst"
		428	or return;
		429
		430	eval { local $/; (Storable::thaw <$fh>)->{objs} }
		431	}
		432
		433	attach_to_objects
		434	prio => -1000000,
		435	on_clone => sub {
		436	my ($src, $dst) = @_;
		437
		438	@{$dst->registry} = @{$src->registry};
		439
		440	%$dst = %$src;
		441
		442	%{$dst->{_attachment}} = %{$src->{_attachment}}
		443	if exists $src->{_attachment};
		444	},
		445	;
		446
		447	#############################################################################
		448	# old plug-in events
66		449
67	sub inject_event {	450	sub inject_event {
68	my ($data) = @_;	451	my $extension = shift;
		452	my $event_code = shift;
69		453
70	my $cb = $hook[$data->{event_code}]	454	my $cb = $hook[$event_code]{$extension}
71	or return;	455	or return;
72		456
73	$_->($data) for values %$cb;	457	&$cb
		458	}
74		459
75	()	460	sub inject_global_event {
		461	my $event = shift;
		462
		463	my $cb = $hook[$event]
		464	or return;
		465
		466	List::Util::max map &$_, values %$cb
76	}	467	}
77		468
78	sub inject_command {	469	sub inject_command {
79	my ($name, $obj, $params) = @_;	470	my ($name, $obj, $params) = @_;
80		471
…		…
87		478
88	sub register_command {	479	sub register_command {
89	my ($name, $time, $cb) = @_;	480	my ($name, $time, $cb) = @_;
90		481
91	my $caller = caller;	482	my $caller = caller;
		483	#warn "registering command '$name/$time' to '$caller'";
92		484
93	push @{ $command{$name} }, [$time, $cb, $caller];	485	push @{ $command{$name} }, [$time, $cb, $caller];
94	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };	486	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
95	}	487	}
96		488
		489	sub register_extcmd {
		490	my ($name, $cb) = @_;
		491
		492	my $caller = caller;
		493	#warn "registering extcmd '$name' to '$caller'";
		494
		495	$extcmd{$name} = [$cb, $caller];
		496	}
		497
		498	sub register {
		499	my ($base, $pkg) = @_;
		500
		501	#TODO
		502	}
		503
97	sub load_extension {	504	sub load_extension {
98	my ($path) = @_;	505	my ($path) = @_;
99		506
100	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		508	my $base = $1;
101	my $pkg = $1;	509	my $pkg = $1;
102	$pkg =~ s/[^[:word:]]/_/g;	510	$pkg =~ s/[^[:word:]]/_/g;
103	$pkg = "cf::ext::$pkg";	511	$pkg = "ext::$pkg";
104		512
105	warn "loading '$path' into '$pkg'\n";	513	warn "loading '$path' into '$pkg'\n";
106		514
107	open my $fh, "<:utf8", $path	515	open my $fh, "<:utf8", $path
108	or die "$path: $!";	516	or die "$path: $!";
…		…
115		523
116	eval $source	524	eval $source
117	or die "$path: $@";	525	or die "$path: $@";
118		526
119	push @exts, $pkg;	527	push @exts, $pkg;
		528	$ext_pkg{$base} = $pkg;
120		529
121	no strict 'refs';	530	# no strict 'refs';
122
123	# @{"$pkg\::ISA"} = cf::ext::;	531	# @{"$pkg\::ISA"} = ext::;
124		532
125	for my $idx (0 .. $#EVENT) {	533	register $base, $pkg;
126	if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
127	warn "registering $EVENT[$idx] hook\n";
128	$hook[$idx]{$pkg} = $ref;
129	}
130	}
131	}	534	}
132		535
133	sub unload_extension {	536	sub unload_extension {
134	my ($pkg) = @_;	537	my ($pkg) = @_;
135		538
136	warn "removing extension $pkg\n";	539	warn "removing extension $pkg\n";
137		540
138	# remove hooks	541	# remove hooks
		542	#TODO
139	for my $idx (0 .. $#EVENT) {	543	# for my $idx (0 .. $#PLUGIN_EVENT) {
140	delete $hook[$idx]{$pkg};	544	# delete $hook[$idx]{$pkg};
141	}	545	# }
142		546
143	# remove commands	547	# remove commands
144	for my $name (keys %command) {	548	for my $name (keys %command) {
145	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	549	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
146		550
…		…
151	delete $command{$name};	555	delete $command{$name};
152	delete $COMMAND{"$name\000"};	556	delete $COMMAND{"$name\000"};
153	}	557	}
154	}	558	}
155		559
		560	# remove extcmds
		561	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
		562	delete $extcmd{$name};
		563	}
		564
		565	if (my $cb = $pkg->can ("unload")) {
		566	eval {
		567	$cb->($pkg);
		568	1
		569	} or warn "$pkg unloaded, but with errors: $@";
		570	}
		571
156	Symbol::delete_package $pkg;	572	Symbol::delete_package $pkg;
157	}	573	}
158		574
159	sub load_extensions {	575	sub load_extensions {
160	my $LIBDIR = maps_directory "perl";	576	my $LIBDIR = maps_directory "perl";
161		577
162	for my $ext (<$LIBDIR/*.ext>) {	578	for my $ext (<$LIBDIR/*.ext>) {
		579	next unless -r $ext;
163	eval {	580	eval {
164	load_extension $ext;	581	load_extension $ext;
165	1	582	1
166	} or warn "$ext not loaded: $@";	583	} or warn "$ext not loaded: $@";
167	}	584	}
168	}	585	}
169		586
		587	sub _perl_reload(&) {
		588	my ($msg) = @_;
		589
		590	$msg->("reloading...");
		591
		592	eval {
		593	# 1. cancel all watchers
		594	$_->cancel for Event::all_watchers;
		595
		596	# 2. unload all extensions
		597	for (@exts) {
		598	$msg->("unloading <$_>");
		599	unload_extension $_;
		600	}
		601
		602	# 3. unload all modules loaded from $LIBDIR
		603	while (my ($k, $v) = each %INC) {
		604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		605
		606	$msg->("removing <$k>");
		607	delete $INC{$k};
		608
		609	$k =~ s/\.pm$//;
		610	$k =~ s/\//::/g;
		611
		612	if (my $cb = $k->can ("unload_module")) {
		613	$cb->();
		614	}
		615
		616	Symbol::delete_package $k;
		617	}
		618
		619	# 4. get rid of safe::, as good as possible
		620	Symbol::delete_package "safe::$_"
		621	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
		622
		623	# 5. remove register_script_function callbacks
		624	# TODO
		625
		626	# 6. unload cf.pm "a bit"
		627	delete $INC{"cf.pm"};
		628
		629	# don't, removes xs symbols, too,
		630	# and global variables created in xs
		631	#Symbol::delete_package __PACKAGE__;
		632
		633	# 7. reload cf.pm
		634	$msg->("reloading cf.pm");
		635	require cf;
		636	};
		637	$msg->($@) if $@;
		638
		639	$msg->("reloaded");
		640	};
		641
		642	sub perl_reload() {
		643	_perl_reload {
		644	warn $_[0];
		645	print "$_[0]\n";
		646	};
		647	}
		648
170	register_command "perl-reload", 0, sub {	649	register_command "perl-reload", 0, sub {
171	my ($who, $arg) = @_;	650	my ($who, $arg) = @_;
172		651
173	if ($who->flag (FLAG_WIZ)) {	652	if ($who->flag (FLAG_WIZ)) {
174	warn "reloading...\n";	653	_perl_reload {
175	unload_extension $_ for @exts;	654	warn $_[0];
176	@exts = 0;	655	$who->message ($_[0]);
177	load_extensions;	656	};
178	warn "reloaded\n";
179	}	657	}
180	};	658	};
181		659
		660	#############################################################################
		661	# extcmd framework, basically convert ext <msg>
		662	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
		663
		664	attach_to_players
		665	on_extcmd => sub {
		666	my ($pl, $buf) = @_;
		667
		668	my $msg = eval { from_json $buf };
		669
		670	if (ref $msg) {
		671	if (my $cb = $extcmd{$msg->{msgtype}}) {
		672	if (my %reply = $cb->[0]->($pl, $msg)) {
		673	$pl->ext_reply ($msg->{msgid}, %reply);
		674	}
		675	}
		676	} else {
		677	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		678	}
		679
		680	cf::override;
		681	},
		682	;
		683
		684	#############################################################################
		685	# load/save/clean perl data associated with a map
		686
		687	*cf::mapsupport::on_clean = sub {
		688	my ($map) = @_;
		689
		690	my $path = $map->tmpname;
		691	defined $path or return;
		692
		693	unlink "$path.pst";
		694	};
		695
		696	# old style persistent data, TODO: remove #d#
		697	*cf::mapsupport::on_swapin =
		698	*cf::mapsupport::on_load = sub {
		699	my ($map) = @_;
		700
		701	my $path = $map->tmpname;
		702	$path = $map->path unless defined $path;
		703
		704	open my $fh, "<:raw", "$path.cfperl"
		705	or return; # no perl data
		706
		707	my $data = Storable::thaw do { local $/; <$fh> };
		708
		709	$data->{version} <= 1
		710	or return; # too new
		711
		712	$map->_set_obs ($data->{obs});
		713	$map->invoke (EVENT_MAP_UPGRADE);
		714	};
		715
		716	attach_to_maps prio => -10000, package => cf::mapsupport::;
		717
		718	#############################################################################
		719	# load/save perl data associated with player->ob objects
		720
		721	sub all_objects(@) {
		722	@_, map all_objects ($_->inv), @_
		723	}
		724
		725	attach_to_players
		726	on_load => sub {
		727	my ($pl, $path) = @_;
		728
		729	for my $o (all_objects $pl->ob) {
		730	if (my $value = $o->get_ob_key_value ("_perl_data")) {
		731	$o->set_ob_key_value ("_perl_data");
		732
		733	%$o = %{ Storable::thaw pack "H*", $value };
		734	}
		735	}
		736	},
		737	;
		738
		739	#############################################################################
		740	# core extensions - in perl
		741
		742	=item cf::player::exists $login
		743
		744	Returns true when the given account exists.
		745
		746	=cut
		747
		748	sub cf::player::exists($) {
		749	cf::player::find $_[0]
		750	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
		751	}
		752
		753	=item $player->reply ($npc, $msg[, $flags])
		754
		755	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
		756	can be C<undef>. Does the right thing when the player is currently in a
		757	dialogue with the given NPC character.
		758
		759	=cut
		760
		761	# rough implementation of a future "reply" method that works
		762	# with dialog boxes.
		763	sub cf::object::player::reply($$$;$) {
		764	my ($self, $npc, $msg, $flags) = @_;
		765
		766	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
		767
		768	if ($self->{record_replies}) {
		769	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		770	} else {
		771	$msg = $npc->name . " says: $msg" if $npc;
		772	$self->message ($msg, $flags);
		773	}
		774	}
		775
		776	=item $player->ext_reply ($msgid, $msgtype, %msg)
		777
		778	Sends an ext reply to the player.
		779
		780	=cut
		781
		782	sub cf::player::ext_reply($$$%) {
		783	my ($self, $id, %msg) = @_;
		784
		785	$msg{msgid} = $id;
		786
		787	$self->send ("ext " . to_json \%msg);
		788	}
		789
		790	#############################################################################
		791	# map scripting support
		792
		793	our $safe = new Safe "safe";
		794	our $safe_hole = new Safe::Hole;
		795
		796	$SIG{FPE} = 'IGNORE';
		797
		798	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
		799
		800	# here we export the classes and methods available to script code
		801
		802	for (
		803	["cf::object" => qw(contr pay_amount pay_player)],
		804	["cf::object::player" => qw(player)],
		805	["cf::player" => qw(peaceful)],
		806	) {
		807	no strict 'refs';
		808	my ($pkg, @funs) = @$_;
		809	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
		810	for @funs;
		811	}
		812
		813	sub safe_eval($;@) {
		814	my ($code, %vars) = @_;
		815
		816	my $qcode = $code;
		817	$qcode =~ s/"/‟/g; # not allowed in #line filenames
		818	$qcode =~ s/\n/\\n/g;
		819
		820	local $_;
		821	local @safe::cf::_safe_eval_args = values %vars;
		822
		823	my $eval =
		824	"do {\n"
		825	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
		826	. "#line 0 \"{$qcode}\"\n"
		827	. $code
		828	. "\n}"
		829	;
		830
		831	sub_generation_inc;
		832	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
		833	sub_generation_inc;
		834
		835	if ($@) {
		836	warn "$@";
		837	warn "while executing safe code '$code'\n";
		838	warn "with arguments " . (join " ", %vars) . "\n";
		839	}
		840
		841	wantarray ? @res : $res[0]
		842	}
		843
		844	sub register_script_function {
		845	my ($fun, $cb) = @_;
		846
		847	no strict 'refs';
		848	*{"safe::$fun"} = $safe_hole->wrap ($cb);
		849	}
		850
		851	#############################################################################
		852	# the server's main()
		853
		854	sub main {
		855	Event::loop;
		856	}
		857
		858	#############################################################################
		859	# initialisation
		860
		861	register "<global>", __PACKAGE__;
		862
		863	unshift @INC, $LIBDIR;
		864
182	load_extensions;	865	load_extensions;
183		866
		867	$TICK_WATCHER = Event->timer (
		868	prio => 1,
		869	at => $NEXT_TICK \|\| 1,
		870	cb => sub {
		871	cf::server_tick; # one server iteration
		872
		873	my $NOW = Event::time;
		874	$NEXT_TICK += $TICK;
		875
		876	# if we are delayed by four ticks, skip them all
		877	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
		878
		879	$TICK_WATCHER->at ($NEXT_TICK);
		880	$TICK_WATCHER->start;
		881	},
		882	);
		883
		884	_reload_2;
		885
184	1	886	1
185		887

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.2 by root, Fri Feb 3 21:22:53 2006 UTC vs. Revision 1.54 by root, Tue Aug 29 14:49:28 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.2 by root, Fri Feb 3 21:22:53 2006 UTC vs.
Revision 1.54 by root, Tue Aug 29 14:49:28 2006 UTC