Mercurial > repos > IBDev-IBBoard.WarFoundry.API
annotate API/Objects/Requirement/UnitRequiresNoMoreThanNOfUnitTypeRequirement.cs @ 362:c19e61262400
Re #345: Add failure message to requirements
* Add implementation that lists only failed parts for "no more than" requirements
author | IBBoard <dev@ibboard.co.uk> |
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date | Sun, 01 May 2011 15:39:05 +0000 |
parents | acd390dba551 |
children | 71fceea2725b |
rev | line source |
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Re #345: Add failure message to requirements
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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 |
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14 { |
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15 private UnitType requirementOnType; |
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16 |
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17 public UnitRequiresNoMoreThanNOfUnitTypeRequirement(UnitType requirementOn) : base() |
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18 { |
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19 requirementOnType = requirementOn; |
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20 FailureStringPrefix = "Army contains " + requirementOn.Name + " and so cannot contain more than: "; |
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21 } |
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22 |
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23 /// <summary> |
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24 /// Checks whether the supplied WarFoundryObject can be added to the supplied army. |
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25 /// </summary> |
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26 /// <returns> |
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27 /// A <code>Validation</code> enum to show the result of the validation |
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28 /// </returns> |
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29 /// <param name='wfObject'> |
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30 /// 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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31 /// </param> |
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32 /// <param name='toArmy'> |
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33 /// The army to add the object to. |
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34 /// </param> |
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35 public override Validation AllowsAdding(WarFoundryObject wfObject, Army toArmy) |
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36 { |
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37 return IsApplicable(wfObject, toArmy) ? base.AllowsAdding(wfObject, toArmy) : Validation.NotApplicable; |
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38 } |
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39 |
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40 |
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41 private bool IsApplicable(WarFoundryObject toObject, Army toArmy) |
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42 { |
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43 return IsApplicable(toArmy) || IsApplicable(toObject); |
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44 } |
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45 |
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46 |
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47 private bool IsApplicable(Army toArmy) |
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48 { |
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49 return toArmy.GetUnitTypeCount(requirementOnType) > 0; |
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50 } |
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51 |
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52 |
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53 private bool IsApplicable(WarFoundryObject toObject) |
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54 { |
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55 return requirementOnType.Equals(toObject) || (toObject is Unit && requirementOnType.Equals(((Unit)toObject).UnitType)); |
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56 } |
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57 } |
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58 } |
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59 |