annotate API/Objects/UnitEquipmentRatioSelection.cs @ 340:7bd2a7cdbfbd

Re #27: Unit requirements * Update "Requires at least" requirements to use new enum
author IBBoard <dev@ibboard.co.uk>
date Mon, 04 Apr 2011 19:06:01 +0000
parents 3c4a6403a88c
children 7179c585d31d
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1 // This file (UnitEquipmentRatioSelection.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard
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2 //
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3 // 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.
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4
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5 using System;
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6 using IBBoard.CustomMath;
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7 using IBBoard.Limits;
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8 using IBBoard.WarFoundry.API.Util;
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9
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10 namespace IBBoard.WarFoundry.API.Objects
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11 {
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12 /// <summary>
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13 /// An object to hold the selection of a unit's equipment where the selection was made as a percentage or ratio
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14 /// of the total size of the unit
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15 /// </summary>
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16 public class UnitEquipmentRatioSelection : AbstractUnitEquipmentItemSelection
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17 {
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18 public UnitEquipmentRatioSelection(Unit unit, UnitEquipmentItem item, double amount) : base(unit, item, amount)
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19 {
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20 }
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21
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22 public UnitEquipmentRatioSelection(Unit unit, UnitEquipmentItem item) : base(unit, item, ((IPercentageLimit)item.MinLimit).Percentage)
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23 {
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24 }
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25
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26 public override int NumberTaken
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27 {
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28 get
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29 {
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30 return CalculateNumberTaken (EquipmentForUnit, EquipmentItem, AmountTaken);
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31 }
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32 }
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33
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34 internal static int CalculateNumberTaken (Unit unit, UnitEquipmentItem item, double ratioTaken)
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35 {
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36 double exactNumberTaken = (ratioTaken / 100) * unit.Size;
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37 int wholeNumberTaken = (int)IBBMath.Round (exactNumberTaken, item.RoundNumberUp);
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38 int maxTaken = UnitEquipmentUtil.GetMaxEquipmentCount (unit, item);
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39 int minTaken = UnitEquipmentUtil.GetMinEquipmentCount (unit, item);
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40 return Math.Min (Math.Max (wholeNumberTaken, minTaken), maxTaken);
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41 }
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42 }
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43 }