X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=Position.pm;h=b720116ca2c7aeff24efa6f90ba74001807f22ac;hp=272cadb78d2124275556e16df5bc7403b19cbe6d;hb=b152d77b071ee91ab291a636e651356ea42d98a6;hpb=65aa4e3d31851a0b504f55ec9907b4fe4f9f8966

diff --git a/Position.pm b/Position.pm
index 272cadb..b720116 100644
--- a/Position.pm
+++ b/Position.pm
@@ -28,8 +28,8 @@ sub new {
 	$pos->{'player_b'} = $x[18];
 	$pos->{'player_w'} =~ s/^W?[FCIG]M//;
 	$pos->{'player_b'} =~ s/^W?[FCIG]M//;
-	$pos->{'white_clock'} = $x[24];
-	$pos->{'black_clock'} = $x[25];
+	$pos->{'white_clock'} = _parse_fics_clock($x[24]);
+	$pos->{'black_clock'} = _parse_fics_clock($x[25]);
 	$pos->{'move_num'} = $x[26];
 	if ($x[27] =~ /([a-h][1-8])-([a-h][1-8])/) {
 		$pos->{'last_move_uci'} = $1 . $2;
@@ -50,6 +50,39 @@ sub start_pos {
 	return $class->new("<12> rnbqkbnr pppppppp -------- -------- -------- -------- PPPPPPPP RNBQKBNR W -1 1 1 1 1 0 dummygamenum $white $black -2 dummytime dummyincrement 39 39 dummytime dummytime 1 none (0:00) none 0 0 0");
 }
 
+sub from_fen {
+	my ($class, $fen) = @_;
+	my ($board, $toplay, $castling, $ep_square, $halfmove_clock, $fullmove_clock) = split / /, $fen;
+
+	my $pos = {};
+	$board =~ s/(\d)/"-"x$1/ge;
+	$pos->{'board'} = Board->new(split /\//, $board);
+	$pos->{'toplay'} = uc($toplay);
+
+	if ($ep_square =~ /^([a-h])/) {
+		$pos->{'ep_file_num'} = ord($1) - ord('a');
+	} else {
+		$pos->{'ep_file_num'} = -1;
+	}
+
+	$pos->{'white_castle_k'} = ($castling =~ /K/) ? 1 : 0;
+	$pos->{'white_castle_q'} = ($castling =~ /Q/) ? 1 : 0;
+	$pos->{'black_castle_k'} = ($castling =~ /k/) ? 1 : 0;
+	$pos->{'black_castle_q'} = ($castling =~ /q/) ? 1 : 0;
+	$pos->{'time_since_100move_rule_reset'} = $halfmove_clock // 0;
+	$pos->{'player_w'} = 'white';
+	$pos->{'player_b'} = 'black';
+	$pos->{'white_clock'} = 0;
+	$pos->{'black_clock'} = 0;
+	$pos->{'move_num'} = $fullmove_clock // 0;
+	$pos->{'last_move_uci'} = undef;
+	$pos->{'last_move'} = undef;
+	$pos->{'prettyprint_cache'} = {};
+	
+	bless $pos, $class;
+	return $pos;
+}
+
 sub fen {
 	my $pos = shift;
 
@@ -267,4 +300,18 @@ sub _parse_uci_move {
         return ($from_row, $from_col, $to_row, $to_col, $promo);
 }
 
+sub _parse_fics_clock {
+	my $x = shift;
+	if ($x =~ /^\d+$/) {
+		my $s = $x % 60;
+		$x = ($x - $s) / 60;
+		my $m = $x % 60;
+		$x = ($x - $m) / 60;
+		my $h = $x;
+		return sprintf "%02d:%02d:%02d", $h, $m, $s;
+	} else {
+		return $x;
+	}
+}
+
 1;