X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=Board.pm;h=6df8ecae1326b4bb083f66598c3e5b59a1455b3b;hp=8573bd8f29814e7cdce82555332b4eda3dc612b0;hb=8c41de1b7a085a846c4c7827793b32021f0268e3;hpb=de97cece71fe4a5f64a88a807805608c7a289813

diff --git a/Board.pm b/Board.pm
index 8573bd8..6df8eca 100644
--- a/Board.pm
+++ b/Board.pm
@@ -233,42 +233,6 @@ sub fen {
 # Returns a compact bit string describing the same data as fen().
 # This is encoded using a Huffman-like encoding, and should be
 # typically about 1/3 the number of bytes.
-sub bitpacked_fen {
-	my ($board) = @_;
-	my $bits = "";
-
-	for my $row (0..7) {
-		for my $col (0..7) {
-			my $piece = $board->[$row][$col];
-			if ($piece eq '-') {
-				$bits .= "0";
-				next;
-			}
-
-			my $color = (lc($piece) eq $piece) ? 0 : 1;
-			$bits .= "1" . $color;
-
-			if (lc($piece) eq 'p') {
-				$bits .= "0";
-			} elsif (lc($piece) eq 'n') {
-				$bits .= "100";
-			} elsif (lc($piece) eq 'b') {
-				$bits .= "101";
-			} elsif (lc($piece) eq 'r') {
-				$bits .= "1110";
-			} elsif (lc($piece) eq 'q') {
-				$bits .= "11110";
-			} elsif (lc($piece) eq 'k') {
-				$bits .= "11111";
-			} else {
-				die "Unknown piece $piece";
-			}
-		}
-	}
-
-	return pack('b*', $bits);
-}
-
 sub can_reach {
 	my ($board, $piece, $from_row, $from_col, $to_row, $to_col) = @_;
 	
@@ -514,22 +478,22 @@ sub _prettyprint_move_no_check_or_mate {
 
 	# white short castling
 	if ($move eq 'e1g1' && $piece eq 'K') {
-		return '0-0';
+		return 'O-O';
 	}
 
 	# white long castling
 	if ($move eq 'e1c1' && $piece eq 'K') {
-		return '0-0-0';
+		return 'O-O-O';
 	}
 
 	# black short castling
 	if ($move eq 'e8g8' && $piece eq 'k') {
-		return '0-0';
+		return 'O-O';
 	}
 
 	# black long castling
 	if ($move eq 'e8c8' && $piece eq 'k') {
-		return '0-0-0';
+		return 'O-O-O';
 	}
 
 	my $pretty;
@@ -541,12 +505,12 @@ sub _prettyprint_move_no_check_or_mate {
 			$pretty = substr($move, 0, 1) . 'x' . _pos_to_square($to_row, $to_col);
 		} else {
 			$pretty = _pos_to_square($to_row, $to_col);
+		}
 
-			if (defined($promo) && $promo ne '') {
-				# promotion
-				$pretty .= "=";
-				$pretty .= uc($promo);
-			}
+		if (defined($promo) && $promo ne '') {
+			# promotion
+			$pretty .= "=";
+			$pretty .= uc($promo);
 		}
 		return $pretty;
 	}