+sub race_start {
+ my ($self) = @_;
+
+ return if $self->{race_running} || $self->{start_in_progress};
+ $self->{race_running} = 0;
+ $self->{start_in_progress} = 1;
+ $self->{semaphore} = 0;
+ $self->{gui}->show_semaphore(0);
+ Glib::Timeout->add($SEMAPHORE_STEP, \&semaphore_step, $self);
+}
+
+sub semaphore_step {
+ my ($self) = @_;
+
+ return FALSE if !$self->{start_in_progress} && !$self->{race_running};
+
+ $self->{semaphore}++;
+ if ($self->{semaphore} <= 5) {
+ $self->{gui}->show_semaphore($self->{semaphore});
+ my $timeout = $SEMAPHORE_STEP;
+ $timeout += $SEMAPHORE_STEP * rand()
+ if $self->{semaphore} == 5;
+ Glib::Timeout->add($timeout, \&semaphore_step, $self);
+ } elsif ($self->{semaphore} == 6) {
+ $self->{race_running} = 1;
+ $self->{race_running_since} = gettimeofday;
+ $self->{start_in_progress} = undef;
+ $self->{gui}->show_semaphore(0);
+ Glib::Timeout->add(3*$SEMAPHORE_STEP, \&semaphore_step, $self);
+ } else {
+ $self->{gui}->show_semaphore(undef);
+ $self->{semaphore} = undef;
+ }
+ return FALSE;
+}
+
+sub race_end {
+ my ($self) = @_;
+
+ $self->{race_running} = 0;
+}
+
+sub race_setup {
+ my ($self, $rounds) = @_;
+
+ if ($rounds) {
+ $self->{gui}->rounds('0/' . $rounds);
+ $self->{race_rounds} = $rounds;
+ } else {
+ $self->{gui}->rounds('0');
+ $self->{race_rounds} = 0;
+ }
+ $self->{race_time} = 0;
+ $self->{best_lap} = undef;
+
+ $self->{gui}->show_semaphore(undef);
+ $self->{race_running} = 0;
+ $self->{start_in_progress} = 0;
+
+ $self->{gui}->time('00:00');
+ $self->{gui}->best_lap('0.00');
+
+ for my $car (0..5) {
+ $self->car($car)->set_order($car);
+ $self->car($car)->set_lap(0);
+ $self->car($car)->set_laptime(undef);
+ }
+}
+
+sub check_best_lap {
+ my ($self, $time, $who) = @_;
+
+ return if !defined $time || $time == 0;
+
+ if (!defined $self->{best_lap}
+ || $time < $self->{best_lap}) {
+ $self->{best_lap} = $time;
+ $self->{gui}->best_lap(sprintf("%.2f", $time), $who);
+ return 1;
+ }
+ return 0;
+}
+