private void UpdateAlert(IConditionsModule conditionsModule, GameTime gameTime)
{
var conditionRectangles = conditionsModule.Items.Select((x, index) => new
{
UiRect = new Rectangle(index * (ICON_SIZE + ICON_SPACING) - ICON_SPACING + _screenX, _screenY,
ICON_SIZE, ICON_SIZE),
Condition = x,
IconIndex = index
});
var criticalConditions = conditionRectangles
.Where(x => x.Condition is SurvivalStatHazardCondition survivalStatHazardCondition &&
survivalStatHazardCondition.Level == SurvivalStatHazardLevel.Max);
_alertedConditions.Clear();
const int ALERT_SOUND_COUNT = 3;
if (_alertCounter < ALERT_DELAY_DURATION_SECONDS + ALERT_VISIBLE_DURATION_SECONDS)
{
_alertCounter += gameTime.ElapsedGameTime.TotalSeconds;
if (_alertCounter < ALERT_VISIBLE_DURATION_SECONDS)
{
var t = _alertCounter / ALERT_VISIBLE_DURATION_SECONDS;
var visiblilitySin = Math.Sin(t * Math.PI * 2 * 3);
if (visiblilitySin > 0)
{
foreach (var criticalCondition in criticalConditions)
{
_alertedConditions.Add(criticalCondition.Condition);
}
}
if (visiblilitySin > 0 && _alertedConditions.Any() &&
_alertSoundEffect.State != SoundState.Playing && _alertIterationIndex < ALERT_SOUND_COUNT)
{
_alertIterationIndex++;
_alertSoundEffect.Play();
}
}
}
else
{
_alertCounter = 0;
}
if (criticalConditions.Any() && _alertIterationIndex < ALERT_SOUND_COUNT)
{
_soundtrackManager.PlaySilence();
}
else
{
_soundtrackManager.PlayBackgroundTrack();
}
if (!criticalConditions.Any())
{
_alertIterationIndex = 0;
}
}
