Mercurial > repos > IBDev-IBBoard.WarFoundry.API
view API/Factories/Requirement/UnitRequiresNUnitsForMUnitsRequirementFactory.cs @ 442:5ac76de8ce62
Re #350: Add requirement to allow N of unit for specific other units
* Add code for parsing min numbers as well as allowed numbers
author | IBBoard <dev@ibboard.co.uk> |
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date | Sat, 03 Dec 2011 20:10:13 +0000 |
parents | d2331ee59d74 |
children | 4fbb7f205f7e |
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// This file (UnitRequiresNUnitsForMUnitsRequirementFactory.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2011 IBBoard // // 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. using System; using IBBoard.WarFoundry.API.Objects; using IBBoard.WarFoundry.API.Objects.Requirement; namespace IBBoard.WarFoundry.API.Factories.Requirement { public class UnitRequiresNUnitsForMUnitsRequirementFactory : IRequirementFactory { public UnitRequiresNUnitsForMUnitsRequirementFactory() { //Do nothing special } public string AppliesToID { get { return RequiresNUnitsForMUnitsRequirement.REQUIREMENT_ID; } } public IRequirement CreateRequirement<SOURCE_FILE_TYPE, ENTRY_TYPE>(UnitType type, string data, IRaceFactory<SOURCE_FILE_TYPE, ENTRY_TYPE> raceFactory) { RequiresNUnitsForMUnitsRequirement req = new RequiresNUnitsForMUnitsRequirement(type); Race race = type.Race; AddRequirements(req, race, data, raceFactory); return req; } private void AddRequirements<SOURCE_FILE_TYPE, ENTRY_TYPE>(RequiresNUnitsForMUnitsRequirement req, Race race, string data, IRaceFactory<SOURCE_FILE_TYPE, ENTRY_TYPE> raceFactory) { foreach (string requirement in data.Split('|')) { string[] requirementParts = requirement.Split(':'); string unitID = requirementParts[0]; UnitType unitType = raceFactory.GetUnitType(unitID, race); if (unitType == null) { throw new InvalidRequirementException(String.Format("Invalid unit type '{0}' for 'Requires N units for M units' requirement", unitID)); } if (requirementParts.Length == 2) { string[] amounts = requirementParts[1].Split(';'); int minCount; int allowedAmounts; if (amounts.Length == 1) { minCount = 1; allowedAmounts = ParseAllowedAmount(amounts[0], unitID); } else { minCount = ParseMinCount(amounts[0], unitID); allowedAmounts = ParseAllowedAmount(amounts[1], unitID); } req.AddUnitTypeRequirement(unitType, minCount, allowedAmounts); } else { req.AddUnitTypeRequirement(unitType); } } } private int ParseMinCount(string minCount, string unitID) { try { return Int32.Parse(minCount); } catch (FormatException) { throw new InvalidRequirementException(String.Format("Invalid minimum amount '{0}' for unit type '{1}' for 'Requires N units for M units' requirement", minCount, unitID)); } } private int ParseAllowedAmount(string allowedAmount, string unitID) { try { return Int32.Parse(allowedAmount); } catch (FormatException) { throw new InvalidRequirementException(String.Format("Invalid allowed amount '{0}' for unit type '{1}' for 'Requires N units for M units' requirement", allowedAmount, unitID)); } } } }