use strict;
use warnings;
-$SIG{ALRM} = sub { output_screen(); };
-
-$| = 1;
-
+# Configuration
my $server = "freechess.org";
-my $target = "Sesse";
+my $target = "22";
# my $engine = "/usr/games/toga2";
my $engine = "wine Rybkav2.3.2a.mp.w32.exe";
+my $telltarget = undef; # undef to be silent
+my @tell_intervals = (5, 20, 60, 120, 240, 480, 960); # after each move
+my $uci_assume_full_compliance = 1; # dangerous :-)
+my @masters = (
+ 'Sesse',
+ 'Sessse',
+ 'Sesssse'
+);
+
+# Program starts here
+$SIG{ALRM} = sub { output_screen(); };
+
+$| = 1;
open(FICSLOG, ">ficslog.txt")
or die "ficslog.txt: $!";
# open the chess engine
my $pid = IPC::Open2::open2(*UCIREAD, *UCIWRITE, $engine);
my %uciinfo = ();
-my %ficsinfo = ();
+my %uciid = ();
+my ($last_move, $last_tell);
+my $last_text = '';
+my $last_told_text = '';
+my ($pos_waiting, $pos_calculating);
uciprint("uci");
# gobble the options
while (<UCIREAD>) {
/uciok/ && last;
+ handle_uci($_);
}
uciprint("setoption name UCI_AnalyseMode value true");
+# uciprint("setoption name Preserve Analysis value true");
uciprint("setoption name NalimovPath value c:\\nalimov");
uciprint("setoption name NalimovUsage value Rarely");
uciprint("setoption name Hash value 1024");
-# uciprint("setoption name MultiPV value 3");
+uciprint("setoption name MultiPV value 3");
# uciprint("setoption name Contempt value 1000");
# uciprint("setoption name Outlook value Ultra Optimistic");
uciprint("ucinewgame");
chomp $line;
$line =~ tr/\r//d;
if ($line =~ /^<12> /) {
- my $fen = style12_to_fen($line);
- uciprint("stop");
- uciprint("position fen $fen");
- uciprint("go infinite");
+ my $pos = style12_to_fen($line);
+
+ # if this is already in the queue, ignore it
+ next if (defined($pos_waiting) && $pos->{'fen'} eq $pos_waiting->{'fen'});
+
+ # if we're already chewing on this and there's nothing else in the queue,
+ # also ignore it
+ next if (!defined($pos_waiting) && defined($pos_calculating) &&
+ $pos->{'fen'} eq $pos_calculating->{'fen'});
+
+ # if we're already thinking on something, stop and wait for the engine
+ # to approve
+ if (defined($pos_calculating)) {
+ if (!defined($pos_waiting)) {
+ uciprint("stop");
+ }
+ if ($uci_assume_full_compliance) {
+ $pos_waiting = $pos;
+ } else {
+ uciprint("position fen " . $pos->{'fen'});
+ uciprint("go infinite");
+ $pos_calculating = $pos;
+ }
+ } else {
+ # it's wrong just to give the FEN (the move history is useful,
+ # and per the UCI spec, we should really have sent "ucinewgame"),
+ # but it's easier
+ uciprint("position fen " . $pos->{'fen'});
+ uciprint("go infinite");
+ $pos_calculating = $pos;
+ }
+
+ %uciinfo = ();
+ $last_move = time;
+
+ #
+ # Output a command every move to note that we're
+ # still paying attention -- this is a good tradeoff,
+ # since if no move has happened in the last half
+ # hour, the analysis/relay has most likely stopped
+ # and we should stop hogging server resources.
+ #
+ $t->cmd("date");
+ }
+ if ($line =~ /^([A-Za-z]+)(?:\([A-Z]+\))* tells you: (.*)$/) {
+ my ($who, $msg) = ($1, $2);
+
+ next if (grep { $_ eq $who } (@masters) == 0);
+
+ if ($msg =~ /^fics (.*?)$/) {
+ $t->cmd("tell $who Executing '$1' on FICS.");
+ $t->cmd($1);
+ } elsif ($msg =~ /^uci (.*?)$/) {
+ $t->cmd("tell $who Sending '$1' to the engine.");
+ print UCIWRITE "$1\n";
+ } else {
+ $t->cmd("tell $who Couldn't understand '$msg', sorry.");
+ }
}
#print "FICS: [$line]\n";
$sleep = 0;
# any fun on the UCI channel?
if ($nfound > 0 && vec($rout, fileno(UCIREAD), 1) == 1) {
- my $line = <UCIREAD>;
- chomp $line;
- $line =~ tr/\r//d;
- print UCILOG "<= $line\n";
- if ($line =~ /^info/) {
- my (@infos) = split / /, $line;
- shift @infos;
+ #
+ # Read until we've got a full line -- if the engine sends part of
+ # a line and then stops we're pretty much hosed, but that should
+ # never happen.
+ #
+ my $line = '';
+ while ($line !~ /\n/) {
+ my $tmp;
+ my $ret = sysread UCIREAD, $tmp, 1;
+
+ if (!defined($ret)) {
+ next if ($!{EINTR});
+ die "error in reading from the UCI engine: $!";
+ } elsif ($ret == 0) {
+ die "EOF from UCI engine";
+ }
- parse_infos(@infos);
+ $line .= $tmp;
}
+
+ $line =~ tr/\r\n//d;
+ handle_uci($line);
$sleep = 0;
# don't update too often
sleep $sleep;
}
+sub handle_uci {
+ my ($line) = @_;
+
+ chomp $line;
+ $line =~ tr/\r//d;
+ print UCILOG localtime() . " <= $line\n";
+ if ($line =~ /^info/) {
+ my (@infos) = split / /, $line;
+ shift @infos;
+
+ parse_infos(@infos);
+ }
+ if ($line =~ /^id/) {
+ my (@ids) = split / /, $line;
+ shift @ids;
+
+ parse_ids(@ids);
+ }
+ if ($line =~ /^bestmove/ && $uci_assume_full_compliance) {
+ if (defined($pos_waiting)) {
+ uciprint("position fen " . $pos_waiting->{'fen'});
+ uciprint("go infinite");
+
+ $pos_calculating = $pos_waiting;
+ $pos_waiting = undef;
+ }
+ }
+}
+
sub parse_infos {
my (@x) = @_;
my $mpv = '';
}
}
+sub parse_ids {
+ my (@x) = @_;
+
+ while (scalar @x > 0) {
+ if ($x[0] =~ /^(name|author)$/) {
+ my $key = shift @x;
+ my $value = join(' ', @x);
+ $uciid{$key} = $value;
+ last;
+ }
+
+ # unknown
+ shift @x;
+ }
+}
+
sub style12_to_fen {
- my $str = shift;
+ my $str = shift;
+ my %pos = ();
my (@x) = split / /, $str;
- $ficsinfo{'board'} = [ @x[1..8] ];
- $ficsinfo{'toplay'} = $x[9];
+ $pos{'board'} = [ @x[1..8] ];
+ $pos{'toplay'} = $x[9];
# the board itself
my (@board) = @x[1..8];
} else {
$nep .= "6";
}
-
+
#
# Showing the en passant square when actually no capture can be made
# seems to confuse at least Rybka. Thus, check if there's actually
# "right" thing as per the standard, though.
#
if ($x[9] eq 'B') {
- $ep = $nep if ($col > 0 && substr($board[4], $col-1, 1) eq 'p');
- $ep = $nep if ($col < 7 && substr($board[4], $col+1, 1) eq 'p');
+ $ep = $nep if ($col > 0 && substr($pos{'board'}[4], $col-1, 1) eq 'p');
+ $ep = $nep if ($col < 7 && substr($pos{'board'}[4], $col+1, 1) eq 'p');
} else {
- $ep = $nep if ($col > 0 && substr($board[3], $col-1, 1) eq 'P');
- $ep = $nep if ($col < 7 && substr($board[3], $col+1, 1) eq 'P');
+ $ep = $nep if ($col > 0 && substr($pos{'board'}[3], $col-1, 1) eq 'P');
+ $ep = $nep if ($col < 7 && substr($pos{'board'}[3], $col+1, 1) eq 'P');
}
}
$fen .= " ";
$fen .= " ";
$fen .= $x[26];
- return $fen;
+ $pos{'fen'} = $fen;
+
+ return \%pos;
}
sub prettyprint_pv {
if (scalar @pvs == 0 || !defined($pvs[0])) {
return ();
}
+
+ my @nb = @$board;
my $pv = shift @pvs;
my $from_col = ord(substr($pv, 0, 1)) - ord('a');
# white short castling
if ($pv eq 'e1g1' && $piece eq 'K') {
- my @nb = @$board;
-
# king
substr($nb[7], 4, 1, '-');
substr($nb[7], 6, 1, $piece);
# white long castling
if ($pv eq 'e1c1' && $piece eq 'K') {
- my @nb = @$board;
-
# king
substr($nb[7], 4, 1, '-');
substr($nb[7], 2, 1, $piece);
# black short castling
if ($pv eq 'e8g8' && $piece eq 'k') {
- my @nb = @$board;
-
# king
substr($nb[0], 4, 1, '-');
substr($nb[0], 6, 1, $piece);
# black long castling
if ($pv eq 'e8c8' && $piece eq 'k') {
- my @nb = @$board;
-
# king
substr($nb[0], 4, 1, '-');
substr($nb[0], 2, 1, $piece);
# check if the from-piece is a pawn
if (lc($piece) eq 'p') {
# attack?
- if (substr($board->[$to_row], $to_col, 1) ne '-') {
+ if ($from_col != $to_col) {
$pretty = substr($pv, 0, 1) . 'x' . substr($pv, 2, 2);
+
+ # en passant?
+ if (substr($board->[$to_row], $to_col, 1) eq '-') {
+ if ($piece eq 'p') {
+ substr($nb[$to_row + 1], $to_col, 1, '-');
+ } else {
+ substr($nb[$to_row - 1], $to_col, 1, '-');
+ }
+ }
} else {
$pretty = substr($pv, 2, 2);
}
# update the board
- my @nb = @$board;
substr($nb[$from_row], $from_col, 1, '-');
substr($nb[$to_row], $to_col, 1, $piece);
sub output_screen {
#return;
+
+ return if (!defined($pos_calculating));
#
# Check the PVs first. if they're invalid, just wait, as our data
eval {
my $dummy;
if (exists($uciinfo{'pv'})) {
- $dummy = prettyprint_pv($ficsinfo{'board'}, @{$uciinfo{'pv'}});
+ $dummy = prettyprint_pv($pos_calculating->{'board'}, @{$uciinfo{'pv'}});
}
my $mpv = 1;
while (exists($uciinfo{'pv' . $mpv})) {
- $dummy = prettyprint_pv($ficsinfo{'board'}, @{$uciinfo{'pv' . $mpv}});
+ $dummy = prettyprint_pv($pos_calculating->{'board'}, @{$uciinfo{'pv' . $mpv}});
++$mpv;
}
};
if ($@) {
+ %uciinfo = ();
return;
}
- print "\ecAnalysis:\n";
+ my $text = '';
+
+ if (exists($uciid{'name'})) {
+ $text .= "Analysis by $uciid{'name'}:\n\n";
+ } else {
+ $text .= "Analysis:\n\n";
+ }
- return unless (exists($ficsinfo{'board'}));
+ return unless (exists($pos_calculating->{'board'}));
+
+ #
+ # Some programs _always_ report MultiPV, even with only one PV.
+ # In this case, we simply use that data as if MultiPV was never
+ # specified.
+ #
+ if (exists($uciinfo{'pv1'}) && !exists($uciinfo{'pv2'})) {
+ for my $key qw(pv score_cp score_mate nodes nps depth seldepth tbhits) {
+ if (exists($uciinfo{$key . '1'}) && !exists($uciinfo{$key})) {
+ $uciinfo{$key} = $uciinfo{$key . '1'};
+ }
+ }
+ }
- if (exists($uciinfo{'pv1'})) {
+ if (exists($uciinfo{'pv1'}) && exists($uciinfo{'pv2'})) {
# multi-PV
my $mpv = 1;
while (exists($uciinfo{'pv' . $mpv})) {
- printf " PV%2u", $mpv;
+ $text .= sprintf " PV%2u", $mpv;
+ my $score = short_score(\%uciinfo, $pos_calculating, $mpv);
+ $text .= " ($score)" if (defined($score));
- if (defined($uciinfo{'score_mate' . $mpv})) {
- printf " (M%3d)", $uciinfo{'score_mate' . $mpv};
- } else {
- if (exists($uciinfo{'score_cp' . $mpv})) {
- my $score = $uciinfo{'score_cp' . $mpv} * 0.01;
- if ($ficsinfo{'toplay'} eq 'B') {
- $score = -$score;
- }
- printf " (%+5.2f)", $score;
- }
+ my $tbhits = '';
+ if (exists($uciinfo{'tbhits' . $mpv})) {
+ $tbhits = sprintf ", %u tbhits", $uciinfo{'tbhits' . $mpv};
}
-
+
if (exists($uciinfo{'nodes' . $mpv}) && exists($uciinfo{'nps' . $mpv}) && exists($uciinfo{'depth' . $mpv})) {
- printf " (%5u kn, %3u kn/s, %2u ply)",
+ $text .= sprintf " (%5u kn, %3u kn/s, %2u ply$tbhits)",
$uciinfo{'nodes' . $mpv} / 1000, $uciinfo{'nps' . $mpv} / 1000, $uciinfo{'depth' . $mpv};
}
- print ":\n";
- print " ", join(', ', prettyprint_pv($ficsinfo{'board'}, @{$uciinfo{'pv' . $mpv}})), "\n";
- print "\n";
+ $text .= ":\n";
+ $text .= " " . join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$uciinfo{'pv' . $mpv}})) . "\n";
+ $text .= "\n";
++$mpv;
}
} else {
# single-PV
- if (defined($uciinfo{'score_mate'})) {
- my $mate = $uciinfo{'score_mate'};
- if ($ficsinfo{'toplay'} eq 'B') {
- $mate = -$mate;
- }
- if ($mate > 0) {
- printf " White mates in %u\n", $mate;
- } else {
- printf " Black mates in %u\n", -$mate;
- }
- } else {
- if (exists($uciinfo{'score_cp'})) {
- my $score = $uciinfo{'score_cp'} * 0.01;
- if ($ficsinfo{'toplay'} eq 'B') {
- $score = -$score;
- }
- printf " Score: %+5.2f\n", $score;
- }
- }
-
- print " PV: ", join(', ', prettyprint_pv($ficsinfo{'board'}, @{$uciinfo{'pv'}}));
- print "\n";
+ my $score = long_score(\%uciinfo, $pos_calculating, '');
+ $text .= " $score\n" if defined($score);
+ $text .= " PV: " . join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$uciinfo{'pv'}}));
+ $text .= "\n";
if (exists($uciinfo{'nodes'}) && exists($uciinfo{'nps'}) && exists($uciinfo{'depth'})) {
- printf " %u nodes, %7u nodes/sec, depth %u ply",
+ $text .= sprintf " %u nodes, %7u nodes/sec, depth %u ply",
$uciinfo{'nodes'}, $uciinfo{'nps'}, $uciinfo{'depth'};
}
if (exists($uciinfo{'tbhits'})) {
- printf ", %u Nalimov hits", $uciinfo{'tbhits'};
+ $text .= sprintf ", %u Nalimov hits", $uciinfo{'tbhits'};
}
if (exists($uciinfo{'seldepth'})) {
- printf " (%u selective)", $uciinfo{'seldepth'};
+ $text .= sprintf " (%u selective)", $uciinfo{'seldepth'};
+ }
+ $text .= "\n\n";
+ }
+
+ if ($last_text ne $text) {
+ print "\e[H\e[2J"; # clear the screen
+ print $text;
+ $last_text = $text;
+ }
+
+ # Now construct the tell text, if any
+ return if (!defined($telltarget));
+
+ my $tell_text = '';
+
+ if (exists($uciid{'name'})) {
+ $tell_text .= "Analysis by $uciid{'name'} -- see http://analysis.sesse.net/ for more information\n";
+ } else {
+ $tell_text .= "Computer analysis -- http://analysis.sesse.net/ for more information\n";
+ }
+
+ if (exists($uciinfo{'pv1'}) && exists($uciinfo{'pv2'})) {
+ # multi-PV
+ my $mpv = 1;
+ while (exists($uciinfo{'pv' . $mpv})) {
+ $tell_text .= sprintf " PV%2u", $mpv;
+ my $score = short_score(\%uciinfo, $pos_calculating, $mpv);
+ $tell_text .= " ($score)" if (defined($score));
+
+ if (exists($uciinfo{'depth' . $mpv})) {
+ $tell_text .= sprintf " (%2u ply)", $uciinfo{'depth' . $mpv};
+ }
+
+ $tell_text .= ": ";
+ $tell_text .= join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$uciinfo{'pv' . $mpv}}));
+ $tell_text .= "\n";
+ ++$mpv;
+ }
+ } else {
+ # single-PV
+ my $score = long_score(\%uciinfo, $pos_calculating, '');
+ $tell_text .= " $score\n" if defined($score);
+ $tell_text .= " PV: " . join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$uciinfo{'pv'}}));
+ if (exists($uciinfo{'depth'})) {
+ $tell_text .= sprintf " (depth %u ply)", $uciinfo{'depth'};
+ }
+ $tell_text .= "\n";
+ }
+
+ # see if a new tell is called for -- it is if the delay has expired _and_
+ # this is not simply a repetition of the last one
+ if ($last_told_text ne $tell_text) {
+ my $now = time;
+ for my $iv (@tell_intervals) {
+ last if ($now - $last_move < $iv);
+ next if ($last_tell - $last_move >= $iv);
+
+ for my $line (split /\n/, $tell_text) {
+ $t->print("tell $telltarget [$target] $line");
+ }
+
+ $last_told_text = $text;
+ $last_tell = $now;
+
+ last;
}
- print "\n\n";
}
}
sub uciprint {
my $msg = shift;
print UCIWRITE "$msg\n";
- print UCILOG "=> $msg\n";
+ print UCILOG localtime() . " => $msg\n";
+}
+
+sub short_score {
+ my ($uciinfo, $pos, $mpv) = @_;
+
+ if (defined($uciinfo{'score_mate' . $mpv})) {
+ return sprintf "M%3d", $uciinfo{'score_mate' . $mpv};
+ } else {
+ if (exists($uciinfo{'score_cp' . $mpv})) {
+ my $score = $uciinfo{'score_cp' . $mpv} * 0.01;
+ if ($pos->{'toplay'} eq 'B') {
+ $score = -$score;
+ }
+ return sprintf "%+5.2f", $score;
+ }
+ }
+
+ return undef;
+}
+
+sub long_score {
+ my ($uciinfo, $pos, $mpv) = @_;
+
+ if (defined($uciinfo{'score_mate' . $mpv})) {
+ my $mate = $uciinfo{'score_mate' . $mpv};
+ if ($pos->{'toplay'} eq 'B') {
+ $mate = -$mate;
+ }
+ if ($mate > 0) {
+ return sprintf "White mates in %u", $mate;
+ } else {
+ return sprintf "Black mates in %u", -$mate;
+ }
+ } else {
+ if (exists($uciinfo{'score_cp' . $mpv})) {
+ my $score = $uciinfo{'score_cp' . $mpv} * 0.01;
+ if ($pos->{'toplay'} eq 'B') {
+ $score = -$score;
+ }
+ return sprintf "Score: %+5.2f", $score;
+ }
+ }
+
+ return undef;
}
projects / remoteglot / blobdiff