namespace Fusion.Addons.KCC
{
	public sealed class SmoothDouble : SmoothValue<double>
	{
		// CONSTRUCTORS

		public SmoothDouble(int records) : base(records)
		{
		}

		// PUBLIC METHODS

		public void FilterValues(bool positive, bool negative)
		{
			SmoothItem<double>[] items = Items;
			SmoothItem<double>   item;

			if (positive == true) { for (int i = 0, count = items.Length; i < count; ++i) { item = items[i]; if (item.Value > 0.0) { item.Value = 0.0; } } }
			if (negative == true) { for (int i = 0, count = items.Length; i < count; ++i) { item = items[i]; if (item.Value < 0.0) { item.Value = 0.0; } } }
		}

		// SmoothValue INTERFACE

		protected override double GetDefaultValue()
		{
			return 0.0;
		}

		protected override double AccumulateValue(double accumulatedValue, double value, double scale)
		{
			return accumulatedValue + value * scale;
		}

		protected override double GetSmoothValue(double accumulatedValue, double scale)
		{
			return accumulatedValue * scale;
		}
	}
}