use Time::HiRes;
use JSON::XS;
require 'Position.pm';
+require 'Engine.pm';
use strict;
use warnings;
my $target = "GMCarlsen";
my $engine_cmdline = "'./Deep Rybka 4 SSE42 x64'";
my $engine2_cmdline = "./stockfish_13111119_x64_modern_sse42"; # undef for none
-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 = 0; # dangerous :-)
my $update_max_interval = 1.0;
my @masters = (
# open the chess engine
my $engine = open_engine($engine_cmdline, 'E1');
my $engine2 = open_engine($engine2_cmdline, 'E2');
-my ($last_move, $last_tell);
+my $last_move;
my $last_text = '';
-my $last_told_text = '';
my ($pos_waiting, $pos_calculating, $pos_calculating_second_engine);
uciprint($engine, "setoption name UCI_AnalyseMode value true");
chomp $line;
$line =~ tr/\r//d;
- if ($line =~ /^<12> /) {
- my $pos = Position->new($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($pos_waiting)) {
- uciprint($engine, "stop");
- }
- if ($uci_assume_full_compliance) {
- $pos_waiting = $pos;
- } else {
- uciprint($engine, "position fen " . $pos->fen());
- uciprint($engine, "go infinite");
- $pos_calculating = $pos;
- }
- } else {
- # it's wrong just to give the FEN (the move history is useful,
- # and per the UCI spec, we should really have sent "ucinewgame"),
- # but it's easier
- uciprint($engine, "position fen " . $pos->fen());
- uciprint($engine, "go infinite");
- $pos_calculating = $pos;
- }
-
- if (defined($engine2)) {
- if (defined($pos_calculating_second_engine)) {
- uciprint($engine2, "stop");
- } else {
- uciprint($engine2, "position fen " . $pos->fen());
- uciprint($engine2, "go infinite");
- $pos_calculating_second_engine = $pos;
- }
- $engine2->{'info'} = {};
- }
-
- $engine->{'info'} = {};
- $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 { $engine->{'write'} } "$1\n";
- } else {
- $t->cmd("tell $who Couldn't understand '$msg', sorry.");
- }
- }
- #print "FICS: [$line]\n";
+ handle_fics($line);
$sleep = 0;
}
# any fun on the UCI channel?
if ($nfound > 0 && vec($rout, fileno($engine->{'read'}), 1) == 1) {
- my @lines = read_lines($engine);
+ my @lines = $engine->read_lines();
for my $line (@lines) {
next if $line =~ /(upper|lower)bound/;
handle_uci($engine, $line, 1);
output();
}
if (defined($engine2) && $nfound > 0 && vec($rout, fileno($engine2->{'read'}), 1) == 1) {
- my @lines = read_lines($engine2);
+ my @lines = $engine2->read_lines();
for my $line (@lines) {
next if $line =~ /(upper|lower)bound/;
handle_uci($engine2, $line, 0);
}
}
+sub handle_fics {
+ my $line = shift;
+ if ($line =~ /^<12> /) {
+ my $pos = Position->new($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($pos_waiting)) {
+ uciprint($engine, "stop");
+ }
+ if ($uci_assume_full_compliance) {
+ $pos_waiting = $pos;
+ } else {
+ uciprint($engine, "position fen " . $pos->fen());
+ uciprint($engine, "go infinite");
+ $pos_calculating = $pos;
+ }
+ } else {
+ # it's wrong just to give the FEN (the move history is useful,
+ # and per the UCI spec, we should really have sent "ucinewgame"),
+ # but it's easier
+ uciprint($engine, "position fen " . $pos->fen());
+ uciprint($engine, "go infinite");
+ $pos_calculating = $pos;
+ }
+
+ if (defined($engine2)) {
+ if (defined($pos_calculating_second_engine)) {
+ uciprint($engine2, "stop");
+ } else {
+ uciprint($engine2, "position fen " . $pos->fen());
+ uciprint($engine2, "go infinite");
+ $pos_calculating_second_engine = $pos;
+ }
+ $engine2->{'info'} = {};
+ }
+
+ $engine->{'info'} = {};
+ $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 { $engine->{'write'} } "$1\n";
+ } else {
+ $t->cmd("tell $who Couldn't understand '$msg', sorry.");
+ }
+ }
+ #print "FICS: [$line]\n";
+}
+
sub parse_infos {
my ($engine, @x) = @_;
my $mpv = '';
}
my $pv = shift @pvs;
- my $from_col = col_letter_to_num(substr($pv, 0, 1));
- my $from_row = row_letter_to_num(substr($pv, 1, 1));
- my $to_col = col_letter_to_num(substr($pv, 2, 1));
- my $to_row = row_letter_to_num(substr($pv, 3, 1));
- my $promo = substr($pv, 4, 1);
-
- my $nb = $board->make_move($from_row, $from_col, $to_row, $to_col, $promo);
- my $piece = $board->[$from_row][$from_col];
-
- if ($piece eq '-') {
- die "Invalid move $pv";
- }
-
- # white short castling
- if ($pv eq 'e1g1' && $piece eq 'K') {
- return ('0-0', prettyprint_pv($nb, @pvs));
- }
-
- # white long castling
- if ($pv eq 'e1c1' && $piece eq 'K') {
- return ('0-0-0', prettyprint_pv($nb, @pvs));
- }
-
- # black short castling
- if ($pv eq 'e8g8' && $piece eq 'k') {
- return ('0-0', prettyprint_pv($nb, @pvs));
- }
-
- # black long castling
- if ($pv eq 'e8c8' && $piece eq 'k') {
- return ('0-0-0', prettyprint_pv($nb, @pvs));
- }
-
- my $pretty;
-
- # check if the from-piece is a pawn
- if (lc($piece) eq 'p') {
- # attack?
- if ($from_col != $to_col) {
- $pretty = substr($pv, 0, 1) . 'x' . substr($pv, 2, 2);
- } else {
- $pretty = substr($pv, 2, 2);
-
- if (length($pv) == 5) {
- # promotion
- $pretty .= "=";
- $pretty .= uc(substr($pv, 4, 1));
-
- if ($piece eq 'p') {
- $piece = substr($pv, 4, 1);
- } else {
- $piece = uc(substr($pv, 4, 1));
- }
- }
- }
- } else {
- $pretty = uc($piece);
-
- # see how many of these pieces could go here, in all
- my $num_total = 0;
- for my $col (0..7) {
- for my $row (0..7) {
- next unless ($board->[$row][$col] eq $piece);
- ++$num_total if ($board->can_reach($piece, $row, $col, $to_row, $to_col));
- }
- }
-
- # see how many of these pieces from the given row could go here
- my $num_row = 0;
- for my $col (0..7) {
- next unless ($board->[$from_row][$col] eq $piece);
- ++$num_row if ($board->can_reach($piece, $from_row, $col, $to_row, $to_col));
- }
-
- # and same for columns
- my $num_col = 0;
- for my $row (0..7) {
- next unless ($board->[$row][$from_col] eq $piece);
- ++$num_col if ($board->can_reach($piece, $row, $from_col, $to_row, $to_col));
- }
-
- # see if we need to disambiguate
- if ($num_total > 1) {
- if ($num_col == 1) {
- $pretty .= substr($pv, 0, 1);
- } elsif ($num_row == 1) {
- $pretty .= substr($pv, 1, 1);
- } else {
- $pretty .= substr($pv, 0, 2);
- }
- }
-
- # attack?
- if ($board->[$to_row][$to_col] ne '-') {
- $pretty .= 'x';
- }
-
- $pretty .= substr($pv, 2, 2);
- }
-
- if ($nb->in_mate()) {
- $pretty .= '#';
- } elsif ($nb->in_check() ne 'none') {
- $pretty .= '+';
- }
+ my ($from_col, $from_row, $to_col, $to_row, $promo) = parse_uci_move($pv);
+ my ($pretty, $nb) = $board->prettyprint_move($from_row, $from_col, $to_row, $to_col, $promo);
return ($pretty, prettyprint_pv($nb, @pvs));
}
print $text;
$last_text = $text;
}
-
- # Now construct the tell text, if any
- return if (!defined($telltarget));
-
- my $tell_text = '';
-
- if (exists($id->{'name'})) {
- $tell_text .= "Analysis by $id->{'name'} -- see http://analysis.sesse.net/ for more information\n";
- } else {
- $tell_text .= "Computer analysis -- http://analysis.sesse.net/ for more information\n";
- }
-
- if (exists($info->{'pv1'}) && exists($info->{'pv2'})) {
- # multi-PV
- my $mpv = 1;
- while (exists($info->{'pv' . $mpv})) {
- $tell_text .= sprintf " PV%2u", $mpv;
- my $score = short_score($info, $pos_calculating, $mpv);
- $tell_text .= " ($score)" if (defined($score));
-
- if (exists($info->{'depth' . $mpv})) {
- $tell_text .= sprintf " (%2u ply)", $info->{'depth' . $mpv};
- }
-
- $tell_text .= ": ";
- $tell_text .= join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv' . $mpv}}));
- $tell_text .= "\n";
- ++$mpv;
- }
- } else {
- # single-PV
- my $score = long_score($info, $pos_calculating, '');
- $tell_text .= " $score\n" if defined($score);
- $tell_text .= " PV: " . join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv'}}));
- if (exists($info->{'depth'})) {
- $tell_text .= sprintf " (depth %u ply)", $info->{'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 = $now;
-
- last;
- }
- }
}
sub output_json {
sub uciprint {
my ($engine, $msg) = @_;
- print { $engine->{'write'} } "$msg\n";
+ $engine->print($msg);
print UCILOG localtime() . " $engine->{'tag'} => $msg\n";
}
sub open_engine {
my ($cmdline, $tag) = @_;
-
return undef if (!defined($cmdline));
-
- my ($uciread, $uciwrite);
- my $pid = IPC::Open2::open2($uciread, $uciwrite, $cmdline);
-
- my $engine = {
- pid => $pid,
- read => $uciread,
- readbuf => '',
- write => $uciwrite,
- info => {},
- ids => {},
- tag => $tag,
- };
+ my $engine = Engine->open($cmdline, $tag);
uciprint($engine, "uci");
# gobble the options
- while (<$uciread>) {
- /uciok/ && last;
- handle_uci($engine, $_);
+ my $seen_uciok = 0;
+ while (!$seen_uciok) {
+ for my $line ($engine->read_lines()) {
+ if ($line =~ /uciok/) {
+ $seen_uciok = 1;
+ }
+ handle_uci($engine, $line);
+ }
}
return $engine;
}
-sub read_lines {
- my $engine = shift;
-
- #
- # Read until we've got a full line -- if the engine sends part of
- # a line and then stops we're pretty much hosed, but that should
- # never happen.
- #
- while ($engine->{'readbuf'} !~ /\n/) {
- my $tmp;
- my $ret = sysread $engine->{'read'}, $tmp, 4096;
-
- if (!defined($ret)) {
- next if ($!{EINTR});
- die "error in reading from the UCI engine: $!";
- } elsif ($ret == 0) {
- die "EOF from UCI engine";
- }
-
- $engine->{'readbuf'} .= $tmp;
- }
-
- # Blah.
- my @lines = ();
- while ($engine->{'readbuf'} =~ s/^([^\n]*)\n//) {
- my $line = $1;
- $line =~ tr/\r\n//d;
- push @lines, $line;
- }
- return @lines;
-}
-
sub col_letter_to_num {
return ord(shift) - ord('a');
}
return 7 - (ord(shift) - ord('1'));
}
+sub parse_uci_move {
+ my $move = shift;
+ my $from_col = col_letter_to_num(substr($move, 0, 1));
+ my $from_row = row_letter_to_num(substr($move, 1, 1));
+ my $to_col = col_letter_to_num(substr($move, 2, 1));
+ my $to_row = row_letter_to_num(substr($move, 3, 1));
+ my $promo = substr($move, 4, 1);
+ return ($from_col, $from_row, $to_col, $to_row, $promo);
+}
projects / remoteglot / blobdiff