Mercurial > repos > IBDev-IBBoard.WarFoundry.API

annotate API/Objects/Requirement/UnitRequiresNoMoreThanNOfUnitTypeRequirement.cs @ 479:f48c49b53738

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Re #410: "N units per M models in parent" requirement * Add a "context" object that will hold the parent unit (or possibly other stuff) * Update all method signatures and calls
author IBBoard <dev@ibboard.co.uk>
date Wed, 23 May 2012 20:56:27 +0100
parents f0594621e4a0
children e0641e0eb86c
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1 // This file (UnitRequiresAtLeastNUnitsRequirement.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2011 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 using System;
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5 using System.Collections.Generic;
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6 using IBBoard.WarFoundry.API.Objects;
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7
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8 namespace IBBoard.WarFoundry.API.Objects.Requirement
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9 {
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10 /// <summary>
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11 /// A requirement where a UnitType can only be taken if there are no more than N units of one or more unit in an army.
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12 /// </summary>
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13 public class UnitRequiresNoMoreThanNOfUnitTypeRequirement : RequiresNoMoreThanNOfUnitTypeRequirement<UnitType>
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14 {
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15 public UnitRequiresNoMoreThanNOfUnitTypeRequirement(UnitType allowedObject, params UnitType[] unitTypes) : base(allowedObject, unitTypes)
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16 {
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17 //Do nothing special
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18 }
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19
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20 protected override bool IsApplicable(IWarFoundryObject toObject, Army toArmy, AddingContext context)
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21 {
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22 return base.IsApplicable(toObject, toArmy, context) || IsApplicableForRequiredType(toObject, toArmy);
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23 }
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24
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25 protected override bool IsApplicable(IWarFoundryObject toObject, AddingContext context)
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26 {
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27 return AllowedObject.Equals(toObject) || (toObject is Unit && AllowedObject.Equals(((Unit)toObject).UnitType));
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28 }
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29
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30 private bool IsApplicableForRequiredType(IWarFoundryObject toObject, Army toArmy)
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31 {
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32 bool isApplicable = false;
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33 UnitType addedType = toObject as UnitType;
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34
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35 if (addedType == null)
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36 {
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37 addedType = (toObject is Unit) ? ((Unit)toObject).UnitType : null;
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38 }
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39
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40 if (addedType != null && toArmy.GetUnitTypeCount(AllowedObject) > 0)
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41 {
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42 foreach (UnitCountRequirementData limit in ConstraintTypes)
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43 {
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44 if (Arrays.Contains(limit.UnitTypes, addedType))
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45 {
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46 isApplicable = true;
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47 break;
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48 }
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49 }
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50 }
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51
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52 return isApplicable;
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53 }
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54
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55 protected override int GetObjectCountFromArmy(Army toArmy, UnitType obj)
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56 {
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57 return toArmy.GetUnitTypeCount(obj);
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58 }
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59 }
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60 }
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