Mercurial > repos > IBDev-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> |
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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 |