view API/Objects/UnitEquipmentRatioSelection.cs @ 448:dbd779cdc0f9

Re #350: Add requirement to allow N of unit for specific other units * Fix limit checking when "limited count" is not 1 (e.g. "need 2 for every 3")
author IBBoard <dev@ibboard.co.uk>
date Fri, 23 Dec 2011 15:36:06 +0000
parents c8002429ab45
children
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// 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);
			}
		}

		private static int CalculateNumberTaken(Unit unit, UnitEquipmentItem item, double ratioTaken)
		{
			double exactNumberTaken = (ratioTaken / 100) * unit.Size;
			return (int)IBBMath.Round(exactNumberTaken, item.RoundNumberUp);
		}
	}
}