Mercurial > repos > IBBoard.WarFoundry.API
comparison API/Objects/Requirement/UnitRequiresNoMoreThanNOfUnitTypeRequirement.cs @ 343:acd390dba551
Re #27: Unit requirements
* First draft of "Unit requires no more than X" requirement
| author | IBBoard <dev@ibboard.co.uk> |
|---|---|
| date | Wed, 06 Apr 2011 20:05:46 +0000 |
| parents | |
| children | c19e61262400 |
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| 342:407757e597f9 | 343:acd390dba551 |
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| 1 // This file (UnitRequiresAtLeastNUnitsRequirement.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2011 IBBoard | |
| 2 // | |
| 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. | |
| 4 using System; | |
| 5 using System.Collections.Generic; | |
| 6 using IBBoard.WarFoundry.API.Objects; | |
| 7 | |
| 8 namespace IBBoard.WarFoundry.API.Objects.Requirement | |
| 9 { | |
| 10 /// <summary> | |
| 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. | |
| 12 /// </summary> | |
| 13 public class UnitRequiresNoMoreThanNOfUnitTypeRequirement : RequiresNoMoreThanNOfUnitTypeRequirement | |
| 14 { | |
| 15 private UnitType requirementOnType; | |
| 16 | |
| 17 public UnitRequiresNoMoreThanNOfUnitTypeRequirement(UnitType requirementOn) : base() | |
| 18 { | |
| 19 requirementOnType = requirementOn; | |
| 20 } | |
| 21 | |
| 22 /// <summary> | |
| 23 /// Checks whether the supplied WarFoundryObject can be added to the supplied army. | |
| 24 /// </summary> | |
| 25 /// <returns> | |
| 26 /// A <code>Validation</code> enum to show the result of the validation | |
| 27 /// </returns> | |
| 28 /// <param name='wfObject'> | |
| 29 /// The object that we want to add. This may be involved in the check, or it may not affect the evaluation of the requirement | |
| 30 /// </param> | |
| 31 /// <param name='toArmy'> | |
| 32 /// The army to add the object to. | |
| 33 /// </param> | |
| 34 public override Validation AllowsAdding(WarFoundryObject wfObject, Army toArmy) | |
| 35 { | |
| 36 return IsApplicable(wfObject, toArmy) ? base.AllowsAdding(wfObject, toArmy) : Validation.NotApplicable; | |
| 37 } | |
| 38 | |
| 39 | |
| 40 private bool IsApplicable(WarFoundryObject toObject, Army toArmy) | |
| 41 { | |
| 42 return IsApplicable(toArmy) || IsApplicable(toObject); | |
| 43 } | |
| 44 | |
| 45 | |
| 46 private bool IsApplicable(Army toArmy) | |
| 47 { | |
| 48 return toArmy.GetUnitTypeCount(requirementOnType) > 0; | |
| 49 } | |
| 50 | |
| 51 | |
| 52 private bool IsApplicable(WarFoundryObject toObject) | |
| 53 { | |
| 54 return requirementOnType.Equals(toObject) || (toObject is Unit && requirementOnType.Equals(((Unit)toObject).UnitType)); | |
| 55 } | |
| 56 } | |
| 57 } | |
| 58 |