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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.48 by root, Sun Aug 27 15:24:22 2006 UTC vs.
Revision 1.61 by root, Sun Sep 3 22:45:56 2006 UTC

 @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
 # we bless all objects into (empty) derived classes to force a method lookup
 # within the Safe compartment.
-for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch)) {
+for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {
    no strict 'refs';
    @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
 }
 $Event::DIED = sub {
 }
 #############################################################################
 # "new" plug-in system
+=head3 EVENTS AND OBJECT ATTACHMENTS
+=over 4
 =item $object->attach ($attachment, key => $value...)
+=item $object->detach ($attachment)
-Attach a pre-registered attachment to an object.
+Attach/detach a pre-registered attachment to an object.
 =item $player->attach ($attachment, key => $value...)
+=item $player->detach ($attachment)
-Attach a pre-registered attachment to a player.
+Attach/detach a pre-registered attachment to a player.
-=item $map->attach ($attachment, key => $value...) # not yet persistent
+=item $map->attach ($attachment, key => $value...)
+=item $map->detach ($attachment)
-Attach a pre-registered attachment to a map.
+Attach/detach a pre-registered attachment to a map.
+=item $bool = $object->attached ($name)
+=item $bool = $player->attached ($name)
+=item $bool = $map->attached ($name)
+Checks wether the named attachment is currently attached to the object.
 =item cf::attach_global ...
 Attach handlers for global events.
 =item cf::attach_to_maps ...
 Attach handlers to all maps.
 =item cf:register_attachment $name, ...
+Register an attachment by name through which objects can refer to this
+attachment.
+=item cf:register_player_attachment $name, ...
+Register an attachment by name through which players can refer to this
+attachment.
+=item cf:register_map_attachment $name, ...
+Register an attachment by name through which maps can refer to this
+attachment.
 =cut
 # the following variables are defined in .xs and must not be re-created
 our @CB_GLOBAL = (); # registry for all global events
 }
 sub _attach_attachment {
    my ($obj, $name, %arg) = @_;
+   return if exists $obj->{_attachment}{$name};
    my $res;
    if (my $attach = $attachment{$name}) {
       my $registry = $obj->registry;
       $obj->{$name} = \%arg;
    } else {
       warn "object uses attachment '$name' that is not available, postponing.\n";
    }
-   push @{$obj->{_attachment}}, $name;
+   $obj->{_attachment}{$name} = undef;
    $res->{attachment} = $name;
    $res
 }
-sub cf::object::attach {
+*cf::object::attach =
+*cf::player::attach =
+*cf::map::attach = sub {
    my ($obj, $name, %arg) = @_;
    _attach_attachment $obj, $name, %arg;
-}
+};
+# all those should be optimised
+*cf::object::detach =
-sub cf::player::attach {
+*cf::player::detach =
+*cf::map::detach = sub {
-   my ($obj, $name, %arg) = @_;
+   my ($obj, $name) = @_;
-   _attach_attachment KLASS_PLAYER, $obj, $name, %arg;
+   delete $obj->{_attachment}{$name};
-}
+   reattach ($obj);
+};
-sub cf::map::attach {
+*cf::object::attached =
+*cf::player::attached =
+*cf::map::attached = sub {
-   my ($obj, $name, %arg) = @_;
+   my ($obj, $name) = @_;
-   _attach_attachment KLASS_MAP, $obj, $name, %arg;
+   exists $obj->{_attachment}{$name}
-}
+};
 sub attach_global {
    _attach @CB_GLOBAL, KLASS_GLOBAL, @_
 }
 sub register_attachment {
    my $name = shift;
    $attachment{$name} = [[KLASS_OBJECT, @_]];
+}
+sub register_player_attachment {
+   my $name = shift;
+   $attachment{$name} = [[KLASS_PLAYER, @_]];
+}
+sub register_map_attachment {
+   my $name = shift;
+   $attachment{$name} = [[KLASS_MAP, @_]];
 }
 our $override;
 our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
    }
    0
 }
+=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...
+=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
+=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
+=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
+Generate a global/object/player/map-specific event with the given arguments.
+This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
+removed in future versions), and there is no public API to access override
+results (if you must, access C<@cf::invoke_results> directly).
+=back
+=head2 methods valid for all pointers
+=over 4
+=item $object->valid
+=item $player->valid
+=item $map->valid
+Just because you have a perl object does not mean that the corresponding
+C-level object still exists. If you try to access an object that has no
+valid C counterpart anymore you get an exception at runtime. This method
+can be used to test for existence of the C object part without causing an
+exception.
+=back
+=cut
+*cf::object::valid =
+*cf::player::valid =
+*cf::map::valid = \&cf::_valid;
 #############################################################################
 # object support
 sub instantiate {
    my ($obj, $data) = @_;
    $data = from_json $data;
    for (@$data) {
       my ($name, $args) = @$_;
-      attach $obj, $name, %{$args || {} };
+      $obj->attach ($name, %{$args || {} });
    }
 }
 # basically do the same as instantiate, without calling instantiate
 sub reattach {
    my ($obj) = @_;
    my $registry = $obj->registry;
    @$registry = ();
+   delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
-   for my $name (@{ $obj->{_attachment} }) {
+   for my $name (keys %{ $obj->{_attachment} || {} }) {
       if (my $attach = $attachment{$name}) {
          for (@$attach) {
             my ($klass, @attach) = @$_;
             _attach @$registry, $klass, @attach;
          }
       }
    }
 }
 sub object_freezer_save {
-   my ($filename, $objs) = @_;
+   my ($filename, $rdata, $objs) = @_;
-   $filename .= ".pst";
+   if (length $$rdata) {
+      warn sprintf "saving %s (%d,%d)\n",
+         $filename, length $$rdata, scalar @$objs;
-   if (@$objs) {
-      open my $fh, ">:raw", "$filename~";
+      if (open my $fh, ">:raw", "$filename~") {
-      chmod $fh, SAVE_MODE;
+         chmod SAVE_MODE, $fh;
+         syswrite $fh, $$rdata;
+         close $fh;
+         if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
+            chmod SAVE_MODE, $fh;
-      syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
+            syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
-      close $fh;
+            close $fh;
+            rename "$filename.pst~", "$filename.pst";
+         } else {
+            unlink "$filename.pst";
+         }
-      rename "$filename~", $filename;
+         rename "$filename~", $filename;
+      } else {
+         warn "FATAL: $filename~: $!\n";
+      }
    } else {
       unlink $filename;
+      unlink "$filename.pst";
    }
 }
 sub object_thawer_load {
    my ($filename) = @_;
+   local $/;
+   my $av;
+   #TODO: use sysread etc.
+   if (open my $data, "<:raw:perlio", $filename) {
+      $data = <$data>;
-   open my $fh, "<:raw:perlio", "$filename.pst"
+      if (open my $pst, "<:raw:perlio", "$filename.pst") {
-      or return;
+         $av = eval { (Storable::thaw <$pst>)->{objs} };
+      }
+      return ($data, $av);
+   }
-   eval { local $/; (Storable::thaw <$fh>)->{objs} }
+   ()
 }
 attach_to_objects
    prio     => -1000000,
    on_clone => sub {
       @{$dst->registry} = @{$src->registry};
       %$dst = %$src;
-      $dst->{_attachment} = [@{ $src->{_attachment} }]
+      %{$dst->{_attachment}} = %{$src->{_attachment}}
          if exists $src->{_attachment};
    },
 ;
 #############################################################################
       #Symbol::delete_package __PACKAGE__;
       # 7. reload cf.pm
       $msg->("reloading cf.pm");
       require cf;
+      $msg->("load extensions");
+      cf::load_extensions;
    };
    $msg->($@) if $@;
    $msg->("reloaded");
 };
    my ($map) = @_;
    my $path = $map->tmpname;
    defined $path or return;
-   unlink "$path.cfperl";
    unlink "$path.pst";
 };
-*cf::mapsupport::on_swapin =
-*cf::mapsupport::on_load = sub {
-   my ($map) = @_;
-   my $path = $map->tmpname;
-   $path = $map->path unless defined $path;
-   open my $fh, "<:raw", "$path.cfperl"
-      or return; # no perl data
-   my $data = Storable::thaw do { local $/; <$fh> };
-   $data->{version} <= 1
-      or return; # too new
-   $map->_set_obs ($data->{obs});
-};
 attach_to_maps prio => -10000, package => cf::mapsupport::;
 #############################################################################
 # load/save perl data associated with player->ob objects
 sub all_objects(@) {
    @_, map all_objects ($_->inv), @_
 }
+# TODO: compatibility cruft, remove when no longer needed
 attach_to_players
    on_load => sub {
       my ($pl, $path) = @_;
       for my $o (all_objects $pl->ob) {
 #############################################################################
 # the server's main()
 sub main {
+   load_extensions;
    Event::loop;
 }
 #############################################################################
 # initialisation
 register "<global>", __PACKAGE__;
 unshift @INC, $LIBDIR;
-load_extensions;
 $TICK_WATCHER = Event->timer (
    prio => 1,
    at   => $NEXT_TICK || 1,
    cb   => sub {

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.48 by root, Sun Aug 27 15:24:22 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 1.48 by root, Sun Aug 27 15:24:22 2006 UTC vs.
Revision 1.61 by root, Sun Sep 3 22:45:56 2006 UTC