// 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(UnitType type, string data, IRaceFactory raceFactory) { RequiresNUnitsForMUnitsRequirement req = new RequiresNUnitsForMUnitsRequirement(type); Race race = type.Race; AddRequirements(req, race, data, raceFactory); return req; } private void AddRequirements(RequiresNUnitsForMUnitsRequirement req, Race race, string data, IRaceFactory 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 amount = requirementParts[1]; try { req.AddUnitTypeRequirement(unitType, 1, Int32.Parse(amount)); } catch (FormatException) { throw new InvalidRequirementException(String.Format("Invalid amount '{0}' for unit type '{1}' for 'Requires N units for M units' requirement", amount, unitID)); } } else { req.AddUnitTypeRequirement(unitType); } } } } }