view api/Requirements/AbstractArmyRequirement.cs @ 0:520818033bb6

Initial commit of WarFoundry code
author IBBoard <dev@ibboard.co.uk>
date Fri, 19 Dec 2008 15:57:51 +0000
parents
children 306558904c2a
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// Requirement.cs
//
//  Copyright (C) 2008 IBBoard
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License version 2.1 of the License as published by the Free
// Software Foundation.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
//
//

using System;
using System.Collections.Generic;
using IBBoard.WarFoundry.API.Objects;


namespace IBBoard.WarFoundry.API.Requirements
{	
	/// <summary>
	/// Abstract class for any requirement for adding an object to an army, e.g. adding units.
	/// </summary>
	public abstract class AbstractArmyRequirement : AbstractRequirement
	{		
		protected abstract AbstractFailedRequirement CanAddToArmy(Army army);
		protected abstract AbstractFailedRequirement CanRemoveFromArmy(Army army);
		
		public override AbstractFailedRequirement CanAddToWarFoundryObject (WarFoundryObject obj)
		{
			AbstractFailedRequirement fail = null;
			
			if (obj is Army)
			{
				fail = CanAddToArmy((Army)obj);
			}
			else
			{
				fail = new FailedRequirement(this);
			}
			
			return fail;
		}
		
		public override AbstractFailedRequirement CanRemoveFromWarFoundryObject (WarFoundryObject obj)
		{
			AbstractFailedRequirement fail = null;
			
			if (obj is Army)
			{
				fail = CanRemoveFromArmy((Army)obj);
			}
			else
			{
				fail = new FailedRequirement(this);
			}
			
			return fail;
		}
	}
}