Add support for fetching move history from FICS (entirely from scratch every time...
authorSteinar H. Gunderson <sgunderson@bigfoot.com>
Sat, 15 Nov 2014 01:57:04 +0000 (02:57 +0100)
committerSteinar H. Gunderson <sgunderson@bigfoot.com>
Sat, 15 Nov 2014 01:57:04 +0000 (02:57 +0100)
Position.pm
remoteglot.pl

index 90e7c1c..b847d10 100644 (file)
@@ -195,6 +195,16 @@ sub make_move {
        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);
index 5982eca..4e6edc6 100755 (executable)
@@ -160,10 +160,60 @@ sub handle_uci {
        output();
 }
 
+my $getting_movelist = 0;
+my $pos_for_movelist = undef;
+my @uci_movelist = ();
+my @pretty_movelist = ();
+
 sub handle_fics {
        my $line = shift;
        if ($line =~ /^<12> /) {
                handle_position(Position->new($line));
+               $t->cmd("moves");
+       }
+       if ($line =~ /^Movelist for game /) {
+               my $pos = $pos_waiting // $pos_calculating;
+               if (defined($pos)) {
+                       @uci_movelist = ();
+                       @pretty_movelist = ();
+                       $pos_for_movelist = Position->start_pos($pos->{'player_w'}, $pos->{'player_b'});
+                       $getting_movelist = 1;
+               }
+       }
+       if ($getting_movelist &&
+           $line =~ /^\s* \d+\. \s+                     # move number
+                       (\S+) \s+ \( [\d:.]+ \) \s*       # first move, then time
+                      (?: (\S+) \s+ \( [\d:.]+ \) )?    # second move, then time 
+                    /x) {
+               eval {
+                       my $uci_move;
+                       ($pos_for_movelist, $uci_move) = $pos_for_movelist->make_pretty_move($1);
+                       push @uci_movelist, $uci_move;
+                       push @pretty_movelist, $1;
+
+                       if (defined($2)) {
+                               ($pos_for_movelist, $uci_move) = $pos_for_movelist->make_pretty_move($2);
+                               push @uci_movelist, $uci_move;
+                               push @pretty_movelist, $2;
+                       }
+               };
+               if ($@) {
+                       warn "Error when getting FICS move history: $@";
+                       exit;
+                       $getting_movelist = 0;
+               }
+       }
+       if ($getting_movelist &&
+           $line =~ /^\s+ \{.*\} \s+ (?: \* | 1\/2-1\/2 | 0-1 | 1-0 )/x) {
+               # End of movelist.
+               for my $pos ($pos_waiting, $pos_calculating) {
+                       next if (!defined($pos));
+                       if ($pos->fen() eq $pos_for_movelist->fen()) {
+                               $pos->{'history'} = \@uci_movelist;
+                               $pos->{'pretty_history'} = \@pretty_movelist;
+                       }
+               }
+               $getting_movelist = 0;
        }
        if ($line =~ /^([A-Za-z]+)(?:\([A-Z]+\))* tells you: (.*)$/) {
                my ($who, $msg) = ($1, $2);
@@ -216,9 +266,8 @@ sub handle_pgn {
                my $moves = $pgn->moves;
                my @uci_moves = ();
                for my $move (@$moves) {
-                       my ($from_row, $from_col, $to_row, $to_col, $promo) = $pos->parse_pretty_move($move);
-                       push @uci_moves, 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, $promo);
+                       my ($pos, $uci_move) = $pos->make_pretty_move($move);
+                       push @uci_moves, $uci_move;
                }
                $pos->{'history'} = \@uci_moves;
                $pos->{'pretty_history'} = $moves;
@@ -881,9 +930,8 @@ sub handle_tb_lookup_return {
                                my $moves = $pgn->moves;
                                my @uci_moves = ();
                                for my $move (@$moves) {
-                                       my ($from_row, $from_col, $to_row, $to_col, $promo) = $pvpos->parse_pretty_move($move);
-                                       push @uci_moves, Board::move_to_uci_notation($from_row, $from_col, $to_row, $to_col, $promo);
-                                       $pvpos = $pvpos->make_move($from_row, $from_col, $to_row, $to_col, $promo);
+                                       my ($pvpos, $uci_move) = $pvpos->make_pretty_move($move);
+                                       push @uci_moves, $uci_move;
                                }
                                $tb_cache{$fen} = {
                                        result => $pgn->result,