Mercurial > repos > IBDev-IBBoard.WarFoundry.API

annotate API/Objects/Requirement/RequiresAtLeastNUnitsRequirement.cs @ 338:4497ebce9a57

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Re #27: Unit requirements * Add "is applicable" checking to army validation
author IBBoard <dev@ibboard.co.uk>
date Sun, 03 Apr 2011 19:03:30 +0000
parents 3c4a6403a88c
children 7bd2a7cdbfbd
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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 WarFoundryObject requires at least N units of one or more unit types before any number of that object can be taken in an army.
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12 /// </summary>
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13 public class RequiresAtLeastNUnitsRequirement
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14 {
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15 private List<UnitCountRequirementData> requiredTypes;
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16
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17 public RequiresAtLeastNUnitsRequirement(params UnitType[] requiredUnitTypes)
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18 {
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19 requiredTypes = new List<UnitCountRequirementData>();
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20
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21 foreach (UnitType unitType in requiredUnitTypes)
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22 {
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23 AddUnitTypeRequirement(unitType);
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24 }
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25 }
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26
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27 /// <summary>
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28 /// Checks whether the supplied WarFoundryObject can be added to the supplied army.
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29 /// </summary>
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30 /// <returns>
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31 /// <c>true</c> if the object can be added, else <c>false</c>
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32 /// </returns>
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33 /// <param name='wfObject'>
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34 /// The object that we want to add. This may be involved in the check, or it may not affect the evaluation of the requirement
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35 /// </param>
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36 /// <param name='toArmy'>
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37 /// The army to add the object to.
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38 /// </param>
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39 public virtual bool AllowsAdding(WarFoundryObject wfObject, Army toArmy)
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40 {
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41 return this.ValidatesArmy(toArmy);
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42 }
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43
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44 /// <summary>
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45 /// Adds a requirement for there to be at least minCount of a given UnitType
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46 /// </summary>
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47 /// <param name='unitType'>
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48 /// The unit type to require.
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49 /// </param>
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50 /// <param name='minCount'>
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51 /// The minimum number of that type that must exist.
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52 /// </param>
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53 public void AddUnitTypeRequirement(UnitType unitType, int minCount)
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54 {
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55 requiredTypes.Add(new UnitCountRequirementData(unitType, minCount));
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56 }
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57
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58 /// <summary>
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59 /// Adds a requirement for there to be one or more of a given UnitType
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60 /// </summary>
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61 /// <param name='unitType'>
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62 /// The unit type to require.
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63 /// </param>
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64 public void AddUnitTypeRequirement (UnitType unitType)
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65 {
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66 AddUnitTypeRequirement(unitType, 1);
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67 }
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68
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69 /// <summary>
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70 /// Checks whether the supplied army is currently valid according to this requirement.
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71 /// </summary>
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72 /// <returns>
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73 /// <c>true</c> if the army is valid, else <c>false</c>
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74 /// </returns>
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75 /// <param name='toValidate'>
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76 /// The army to validate
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77 /// </param>
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78 public virtual bool ValidatesArmy(Army toValidate)
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79 {
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80 bool canAdd = true;
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81
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82 foreach (UnitCountRequirementData requirement in requiredTypes)
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83 {
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84 if (toValidate.GetUnitTypeCount(requirement.UnitType) < requirement.Count)
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85 {
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86 canAdd = false;
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87 break;
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88 }
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89 }
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90
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91 return canAdd;
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92 }
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93 }
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94 }
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95