X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=Position.pm;h=6976c96b68958880b0c58932a58cae0bedd92a14;hp=c3dbccaedde8b026a9585410c64134798e650d04;hb=01a8eaa3db2c015b25c0cf53df96b12493f3db58;hpb=92c3ae694d679a17fe546179c06b54ac8578eb9a

diff --git a/Position.pm b/Position.pm
index c3dbcca..6976c96 100644
--- a/Position.pm
+++ b/Position.pm
@@ -132,35 +132,6 @@ sub fen {
 	return $fen;
 }
 
-# Returns a compact bit string describing the same data as fen(),
-# except for the half-move and full-move clock.
-sub bitpacked_fen {
-	my $pos = shift;
-	my $board = $pos->{'board'}->bitpacked_fen();
-
-	my $bits = "";
-	if ($pos->{'toplay'} eq 'W') {
-		$bits .= "0";
-	} else {
-		$bits .= "1";
-	}
-
-	$bits .= $pos->{'white_castle_k'};
-	$bits .= $pos->{'white_castle_q'};
-	$bits .= $pos->{'black_castle_k'};
-	$bits .= $pos->{'black_castle_q'};
-
-	my $col = $pos->{'ep_file_num'};
-	if ($col == -1) {
-		$bits .= "0";
-	} else {
-		$bits .= "1";
-		$bits .= (qw(000 001 010 011 100 101 110 111))[$col];
-	}
-
-	return $board . pack('b*', $bits);
-}
-
 sub to_json_hash {
 	my $pos = shift;
 	my $json = { %$pos, fen => $pos->fen() };
@@ -247,6 +218,9 @@ sub make_move {
 	}
 	$np->{'player_w'} = $pos->{'player_w'};
 	$np->{'player_b'} = $pos->{'player_b'};
+	if (exists($pos->{'start_fen'})) {
+		$np->{'start_fen'} = $pos->{'start_fen'};
+	}
 	if (defined($pretty_move)) {
 		$np->{'last_move'} = $pretty_move;
 	} else {