X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=Position.pm;h=17c8512d65f57f6a4c0c9600296b4429fadedcfe;hp=8a42a6fa39f59f9e42bd80ec08bb5d7719a759e7;hb=467e50a8cfaf38bd84053401ce4cc652f543ca74;hpb=8c41de1b7a085a846c4c7827793b32021f0268e3

diff --git a/Position.pm b/Position.pm
index 8a42a6f..17c8512 100644
--- a/Position.pm
+++ b/Position.pm
@@ -143,6 +143,7 @@ sub to_json_hash {
 	delete $json->{'white_castle_k'};
 	delete $json->{'white_castle_q'};
 	delete $json->{'time_since_100move_rule_reset'};
+	delete $json->{'chess960'} if (!$json->{'chess960'});
 	if ($json->{'player_w'} =~ /^base64:(.*)$/) {
 		$json->{'player_w'} = MIME::Base64::decode_base64($1);
 	}
@@ -218,12 +219,10 @@ sub make_move {
 	}
 	$np->{'player_w'} = $pos->{'player_w'};
 	$np->{'player_b'} = $pos->{'player_b'};
+	$np->{'chess960'} = $pos->{'chess960'};
 	if (exists($pos->{'start_fen'})) {
 		$np->{'start_fen'} = $pos->{'start_fen'};
 	}
-	if (exists($pos->{'chess960'})) {
-		$np->{'chess960'} = $pos->{'chess960'};
-	}
 	if (defined($pretty_move)) {
 		$np->{'last_move'} = $pretty_move;
 	} else {
@@ -245,11 +244,6 @@ sub make_pretty_move {
 	return ($pos, $uci_move);
 }
 
-sub is_chess960 {
-	my ($pos) = shift;
-	return (defined($pos->{'chess960'}) && $pos->{'chess960'});
-}
-
 sub _pos_to_square {
         my ($row, $col) = @_;
         return sprintf("%c%d", ord('a') + $col, 8 - $row);