/// <summary>
/// Sets odor strength to new strength if is it stronger (more "fresh").
/// </summary>
/// <param name="odor"></param>
/// <param name="freshStrength"></param>
/// <param name="position"></param>
public void RefreshScentAt(Odor odor, int freshStrength, Point position)
{
if (!IsInBounds(position))
{
throw new ArgumentOutOfRangeException(String.Format("position; ({0},{1}) map {2} odor {3}", position.X, position.Y, this.m_Name, odor.ToString()));
}
OdorScent oldScent = GetScentByOdor(odor, position);
if (oldScent == null)
{
// new odor there.
OdorScent newScent = new OdorScent(odor, freshStrength, position);
AddNewScent(newScent);
}
else
{
// existing odor here.
if (oldScent.Strength < freshStrength)
{
oldScent.Set(freshStrength);
}
}
}
