--- deliantra/Deliantra-Client/DC.pm	2009/01/04 10:22:19	1.200
+++ deliantra/Deliantra-Client/DC.pm	2012/01/07 15:24:41	1.213
@@ -19,7 +19,7 @@
 our $VERSION;
 
 BEGIN {
-   $VERSION = '2.02';
+   $VERSION = '3.0';
 
    use XSLoader;
    XSLoader::load "Deliantra::Client", $VERSION;
@@ -36,20 +36,13 @@
 use Storable (); # finally
 use Fcntl ();
 use JSON::XS qw(encode_json decode_json);
+use Guard qw(guard);
 
-=item guard { BLOCK }
-
-Returns an object that executes the given block as soon as it is destroyed.
-
-=cut
-
-sub guard(&) {
-   bless \(my $cb = $_[0]), "DC::Guard"
-}
-
-sub DC::Guard::DESTROY {
-   ${$_[0]}->()
-}
+# modules to support other DC::* packages
+use List::Util ();
+use IO::AIO ();
+use Coro::AIO ();
+use AnyEvent::AIO ();
 
 =item shorten $string[, $maxlength]
 
@@ -156,7 +149,7 @@
 
    for (@RC_PATH, "") {
       $path = "$RC_BASE/$_/$_[0]";
-      return $path if -r $path;
+      return $path if -e $path;
    }
 
    die "FATAL: can't find required file \"$_[0]\" in \"$RC_BASE\"\n";
@@ -169,7 +162,7 @@
       or return;
 
    local $/;
-   JSON::XS->new->utf8->relaxed->decode (<$fh>)
+   eval { JSON::XS->new->utf8->relaxed->decode (<$fh>) }
 }
 
 sub set_theme($) {
@@ -197,17 +190,22 @@
 sub read_cfg {
    my ($file) = @_;
 
-   $::CFG = load_json $file;
+   $::CFG = (load_json $file) || (load_json "$file.bak");
 }
 
 sub write_cfg {
    my $file = "$Deliantra::VARDIR/client.cf";
 
    $::CFG->{VERSION} = $::VERSION;
+   $::CFG->{layout}  = DC::UI::get_layout ();
 
-   open my $fh, ">:utf8", $file
+   open my $fh, ">:utf8", "$file~"
       or return;
    print $fh JSON::XS->new->utf8->pretty->encode ($::CFG);
+   close $fh;
+
+   rename $file, "$file.bak";
+   rename "$file~", $file;
 }
 
 sub http_proxy {