Support a ding sound per move. Off by default, of course.
[remoteglot] / remoteglot.pl
index d82c20b..39a0f4b 100755 (executable)
@@ -209,7 +209,6 @@ sub handle_fics {
                for my $pos ($pos_waiting, $pos_calculating) {
                        next if (!defined($pos));
                        if ($pos->fen() eq $pos_for_movelist->fen()) {
-                               $pos->{'history'} = \@uci_movelist;
                                $pos->{'pretty_history'} = \@pretty_movelist;
                        }
                }
@@ -279,7 +278,6 @@ sub handle_pgn {
                                ($pos, $uci_move) = $pos->make_pretty_move($move);
                                push @uci_moves, $uci_move;
                        }
-                       $pos->{'history'} = \@uci_moves;
                        $pos->{'pretty_history'} = $moves;
 
                        # Sometimes, PGNs lose a move or two for a short while,
@@ -711,8 +709,7 @@ sub output_json {
        $json->{'seldepth'} = $info->{'seldepth'};
        $json->{'tablebase'} = $info->{'tablebase'};
 
-       # single-PV only for now
-       $json->{'pv_uci'} = $info->{'pv'};
+       $json->{'pv_uci'} = $info->{'pv'};  # Still needs to be there for the JS to calculate arrows; only for the primary PV, though!
        $json->{'pv_pretty'} = [ prettyprint_pv($pos_calculating, @{$info->{'pv'}}) ];
 
        my %refutation_lines = ();
@@ -736,17 +733,66 @@ sub output_json {
                                        pretty_move => $pretty_move,
                                        pv_pretty => \@pretty_pv,
                                };
-                               $refutation_lines{$pv->[0]}->{'pv_uci'} = $pv;
                        };
                }
        }
        $json->{'refutation_lines'} = \%refutation_lines;
 
-       open my $fh, ">", $remoteglotconf::json_output . ".tmp"
+       my $encoded = JSON::XS::encode_json($json);
+       atomic_set_contents($remoteglotconf::json_output, $encoded);
+
+       if (exists($pos_calculating->{'pretty_history'}) &&
+           defined($remoteglotconf::json_history_dir)) {
+               my $halfmove_num = scalar @{$pos_calculating->{'pretty_history'}};
+               (my $fen = $pos_calculating->fen()) =~ tr,/ ,-_,;
+               my $filename = $remoteglotconf::json_history_dir . "/move$halfmove_num-$fen.json";
+
+               # Overwrite old analysis (assuming it exists at all) if we're
+               # using a different engine, or if we've calculated deeper.
+               # nodes is used as a tiebreaker. Don't bother about Multi-PV
+               # data; it's not that important.
+               my ($old_engine, $old_depth, $old_nodes) = get_json_analysis_stats($filename);
+               my $new_depth = $json->{'depth'} // 0;
+               my $new_nodes = $json->{'nodes'} // 0;
+               if (!defined($old_engine) ||
+                   $old_engine ne $json->{'id'}{'name'} ||
+                   $new_depth > $old_depth ||
+                   ($new_depth == $old_depth && $new_nodes >= $old_nodes)) {
+                       atomic_set_contents($filename, $encoded);
+               }
+       }
+}
+
+sub atomic_set_contents {
+       my ($filename, $contents) = @_;
+
+       open my $fh, ">", $filename . ".tmp"
                or return;
-       print $fh JSON::XS::encode_json($json);
+       print $fh $contents;
+       close $fh;
+       rename($filename . ".tmp", $filename);
+}
+
+sub get_json_analysis_stats {
+       my $filename = shift;
+
+       my ($engine, $depth, $nodes);
+
+       open my $fh, "<", $filename
+               or return undef;
+       local $/ = undef;
+       eval {
+               my $json = JSON::XS::decode_json(<$fh>);
+               $engine = $json->{'id'}{'name'} // die;
+               $depth = $json->{'depth'} // 0;
+               $nodes = $json->{'nodes'} // 0;
+       };
        close $fh;
-       rename($remoteglotconf::json_output . ".tmp", $remoteglotconf::json_output);
+       if ($@) {
+               warn "Error in decoding $filename: $@";
+               return undef;
+       }
+       return ($engine, $depth, $nodes);
 }
 
 sub uciprint {