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1 using System;
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2 using System.Collections.Generic;
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3 using System.Text;
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4 using IBBoard.WarFoundry.API;
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5 using IBBoard.WarFoundry.API.Objects;
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6
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7 namespace IBBoard.WarFoundry.API.Requirements
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8 {
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9 /// <summary>
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10 /// Summary description for UnitRequiresRequirement.
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11 /// </summary>
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12 public class UnitRequiresAtLeastRequirement : UnitRequirement
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13 {
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14 private UnitType[] requiredTypes;
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15 private int[] requiredCounts;
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16 private String unitList;
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17
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18 public UnitRequiresAtLeastRequirement(UnitType type, UnitType requiredUnitType) : this(type, new UnitType[]{requiredUnitType}, new int[]{1})
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19 {
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20 }
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21
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22 public UnitRequiresAtLeastRequirement(UnitType type, UnitType[] requiredUnitTypes, int[] minNumsRequired) : base(type)
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23 {
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24 if (requiredUnitTypes.Length != minNumsRequired.Length)
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25 {
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26 throw new ArgumentException("List of required unit types and list of number of units required must be equal");
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27 }
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28 else if (requiredUnitTypes.Length == 1)
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29 {
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30 throw new ArgumentException("List of required unit types must not be empty");
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31 }
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32
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33 requiredTypes = requiredUnitTypes;
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34 requiredCounts = minNumsRequired;
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35
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36 if (requiredTypes.Length > 1)
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37 {
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38 StringBuilder sb = new StringBuilder(requiredCounts[0]+" x "+requiredTypes[0].Name);
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39
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40 for (int i = 1; i<requiredTypes.Length; i++)
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41 {
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42 sb.Append(", "+requiredCounts[i]+" x "+requiredTypes[i].Name);
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43 }
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44
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45 unitList = sb.ToString();
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46 }
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47 else
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48 {
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49 unitList = requiredTypes[0].Name;
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50 }
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51 }
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52
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53 public override string Description
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54 {
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55 get { return "The army must include at least the following units to include a unit of type "+unitType.Name+": "+unitList; }
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56 }
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57
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58 protected override AbstractFailedRequirement CanRemoveFromArmy(Army army, UnitType type)
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59 {
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60 return null;
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61 }
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62
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63 protected override AbstractFailedRequirement CanAddToArmy(Army army, UnitType type)
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64 {
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65 FailedRequirement failure = null;
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66 int count = requiredTypes.Length;
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67
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68 for (int i = 0; i < count; i++)
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69 {
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70 if (army.GetUnitTypeCount(requiredTypes[i]) < requiredCounts[i])
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71 {
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72 failure = new FailedRequirement(this);
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73 break;
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74 }
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75 }
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76
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77 return failure;
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78 }
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79 }
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80 }
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