#
use strict;
use warnings;
+use MIME::Base64;
require 'Board.pm';
$pos->{'player_w'} =~ s/^W?[FCIG]M//;
$pos->{'player_b'} =~ s/^W?[FCIG]M//;
$pos->{'move_num'} = $x[26];
+ if ($x[27] =~ /([a-h][1-8])-([a-h][1-8])/) {
+ $pos->{'last_move_uci'} = $1 . $2;
+ } else {
+ $pos->{'last_move_uci'} = undef;
+ }
$pos->{'last_move'} = $x[29];
+ $pos->{'prettyprint_cache'} = {};
bless $pos, $class;
return $pos;
sub start_pos {
my ($class, $white, $black) = @_;
+ $white = "base64:" . MIME::Base64::encode_base64($white);
+ $black = "base64:" . MIME::Base64::encode_base64($black);
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 to_json_hash {
my $pos = shift;
- return { %$pos, board => undef, fen => $pos->fen() };
+ my $json = { %$pos, board => undef, prettyprint_cache => undef, fen => $pos->fen() };
+ if ($json->{'player_w'} =~ /^base64:(.*)$/) {
+ $json->{'player_w'} = MIME::Base64::decode_base64($1);
+ }
+ if ($json->{'player_b'} =~ /^base64:(.*)$/) {
+ $json->{'player_b'} = MIME::Base64::decode_base64($1);
+ }
+ return $json;
}
sub parse_pretty_move {
return $pos->{'board'}->parse_pretty_move($move, $pos->{'toplay'});
}
+sub num_pieces {
+ my ($pos) = @_;
+ return $pos->{'board'}->num_pieces();
+}
+
# Returns a new Position object.
sub make_move {
my ($pos, $from_row, $from_col, $to_row, $to_col, $promo) = @_;
}
$np->{'player_w'} = $pos->{'player_w'};
$np->{'player_b'} = $pos->{'player_b'};
- $np->{'last_move'} = '(move)'; # FIXME
+ my ($move, $nb) = $pos->{'board'}->prettyprint_move($from_row, $from_col, $to_row, $to_col, $promo);
+ $np->{'last_move'} = $move;
+ $np->{'last_move_uci'} = Board::move_to_uci_notation($from_row, $from_col, $to_row, $to_col, $promo);
+
return bless $np;
}
+# Returns a new Position object, and the parsed UCI move.
+sub make_pretty_move {
+ my ($pos, $move) = @_;
+
+ my ($from_row, $from_col, $to_row, $to_col, $promo) = $pos->parse_pretty_move($move);
+ my $uci_move = Board::move_to_uci_notation($from_row, $from_col, $to_row, $to_col, $promo);
+ $pos = $pos->make_move($from_row, $from_col, $to_row, $to_col, $promo);
+ return ($pos, $uci_move);
+}
+
sub _pos_to_square {
my ($row, $col) = @_;
return sprintf("%c%d", ord('a') + $col, 8 - $row);