/// <summary>
/// Ticks the <see cref="TickTimer"/> at the specified game tick.
/// </summary>
///
/// <remarks>
/// If <see cref="IsActive"/> is <c>false</c> the <see cref="Tick(int)"/> method
/// will exit early and not do any ticking logic.
/// </remarks>
///
/// <param name="ctick">Game tick.</param>
public void Tick(int ctick)
{
if (IsActive)
{
if (ctick < _lastTick)
{
Debug.WriteLine("TickTimer went back in time!! Forgot to rest or stop?");
}
_lastTick = ctick;
// Prevent some extra calculations.
if (ctick >= _endTick)
{
_duration = 0;
_isActive = false;
_isComplete = true;
}
else
{
var diff = ctick - _startTick;
var diffSeconds = TimeUtils.FromTick(diff);
var newDuration = _oriDuration - diffSeconds;
// Clamp value to 0.
if (newDuration < 0)
{
newDuration = 0;
_isActive = false;
_isComplete = true;
}
_duration = newDuration;
}
}
}