--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/API/Objects/UnitEquipmentRatioSelection.cs	Sun Apr 03 18:50:32 2011 +0000
@@ -0,0 +1,43 @@
+// This file (UnitEquipmentRatioSelection.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard
+// 
+// The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
+
+using System;
+using IBBoard.CustomMath;
+using IBBoard.Limits;
+using IBBoard.WarFoundry.API.Util;
+
+namespace IBBoard.WarFoundry.API.Objects
+{	
+	/// <summary>
+	/// An object to hold the selection of a unit's equipment where the selection was made as a percentage or ratio
+	/// of the total size of the unit
+	/// </summary>
+	public class UnitEquipmentRatioSelection : AbstractUnitEquipmentItemSelection
+	{	
+		public UnitEquipmentRatioSelection(Unit unit, UnitEquipmentItem item, double amount) : base(unit, item, amount)
+		{
+		}
+		
+		public UnitEquipmentRatioSelection(Unit unit, UnitEquipmentItem item) : base(unit, item, ((IPercentageLimit)item.MinLimit).Percentage)
+		{
+		}
+					
+		public override int NumberTaken
+		{
+			get
+			{
+				return CalculateNumberTaken (EquipmentForUnit, EquipmentItem, AmountTaken);
+			}
+		}
+
+		internal static int CalculateNumberTaken (Unit unit, UnitEquipmentItem item, double ratioTaken)
+		{
+			double exactNumberTaken = (ratioTaken / 100) * unit.Size;
+			int wholeNumberTaken = (int)IBBMath.Round (exactNumberTaken, item.RoundNumberUp);
+			int maxTaken = UnitEquipmentUtil.GetMaxEquipmentCount (unit, item);
+			int minTaken = UnitEquipmentUtil.GetMinEquipmentCount (unit, item);
+			return Math.Min (Math.Max (wholeNumberTaken, minTaken), maxTaken);
+		}
+	}
+}