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snake-fight.pl
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snake-fight.pl
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use strict;
use warnings;
use lib 'lib';
use Snake;
use Symbol 'gensym';
use IPC::Open3;
my $s = Snake::Field->new;
$s->init;
my @scripts = ();
for my $script (<script/*.pl>) {
my $err = gensym;
my $pid = open3( my $in, my $out, $err, $^X, $script ) or die $!;
my $cb = sub {
my ( $x, $y ) = ( 0, 0 );
eval {
local $SIG{ALRM} = sub { die "alarm" };
alarm 1;
print $in "@_\n";
( $y, $x ) = split / /, <$out>;
alarm 0;
};
if ($@) {
kill 'TERM', $pid;
waitpid $pid, 0;
$y = $x = 0;
}
return $y, $x;
};
push @scripts, $pid;
$s->add_snake($cb);
}
$s->add_snake('human');
$s->show_snakes;
my @scores = $s->loop();
$s->end;
kill 'TERM', $_ for @scripts;
print "Scores: @scores\n";