X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=Board.pm;h=3d832781bc2b1d4dc84b89daa3b933b2d57dcdd0;hb=d4bcb321870cde20523a3e0322011ab1107884c3;hp=e6c04a30fef78a63a413efcebfd348efe586c1ce;hpb=a31a6dd50ef824c10033cccd1e00de83ea040f8b;p=remoteglot

diff --git a/Board.pm b/Board.pm
index e6c04a3..3d83278 100644
--- a/Board.pm
+++ b/Board.pm
@@ -25,9 +25,7 @@ sub clone {
 	my $nb = [];
 
 	for my $row (0..7) {
-		for my $col (0..7) {
-			$nb->[$row][$col] = $board->[$row][$col];
-		}
+		$nb->[$row] = [ @{$board->[$row]} ];
 	}
 
 	return bless $nb;
@@ -36,7 +34,7 @@ sub clone {
 # Returns a new board.
 sub make_move {
 	my ($board, $from_row, $from_col, $to_row, $to_col, $promo) = @_;
-	my $move = _move_to_uci_notation($from_row, $from_col, $to_row, $to_col, $promo);
+	my $move = move_to_uci_notation($from_row, $from_col, $to_row, $to_col, $promo);
 	my $piece = $board->[$from_row][$from_col];
 	my $nb = $board->clone();
 
@@ -108,13 +106,12 @@ sub make_move {
 					$nb->[$to_row + 1][$to_col] = '-';
 				}
 			}
-		} else {
-			if (defined($promo) && $promo ne '') {
-				if ($piece eq 'p') {
-					$piece = $promo;
-				} else {
-					$piece = uc($promo);
-				}
+		}
+		if (defined($promo) && $promo ne '') {
+			if ($piece eq 'p') {
+				$piece = lc($promo);
+			} else {
+				$piece = uc($promo);
 			}
 		}
 	}
@@ -145,7 +142,7 @@ sub _square_to_pos {
 	return (_row_letter_to_num($2), _col_letter_to_num($1));
 }
 
-sub _move_to_uci_notation {
+sub move_to_uci_notation {
 	my ($from_row, $from_col, $to_row, $to_col, $promo) = @_;
 	$promo //= "";
 	return _pos_to_square($from_row, $from_col) . _pos_to_square($to_row, $to_col) . $promo;
@@ -448,7 +445,7 @@ sub prettyprint_move {
 sub _prettyprint_move_no_check_or_mate {
         my ($board, $from_row, $from_col, $to_row, $to_col, $promo) = @_;
 	my $piece = $board->[$from_row][$from_col];
-	my $move = _move_to_uci_notation($from_row, $from_col, $to_row, $to_col, $promo);
+	my $move = move_to_uci_notation($from_row, $from_col, $to_row, $to_col, $promo);
 
 	if ($piece eq '-') {
 		die "Invalid move $move";