GoBlockBase.cs

/*
 * Copyright (c) 2007 Philipp Garcia (phil@gotraxx.org)
 * 
 * This file is part of GoTraxx (www.gotraxx.org).
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 * This license governs use of the accompanying software. If you use the software, you 
 * accept this license. If you do not accept the license, do not use the software.
 * 
 * Permission is granted to anyone to use this software for any noncommercial purpose, 
 * and to alter it and redistribute it freely, subject to the following restrictions:
 * 
 * 1. The origin of this software must not be misrepresented; you must not claim that 
 *    you wrote the original software. 
 * 
 * 2. Altered source versions must be plainly marked as such, and must not be 
 *    misrepresented as being the original software.
 * 
 * 3. If you bring a patent claim against the original author or any contributor over 
 *    patents that you claim are infringed by the software, your patent license from 
 *    such contributor to the software ends automatically.
 * 
 * 4. This software may not be used in whole, nor in part, to enter any competition 
 *    without written permission from the original author. 
 * 
 * 5. This notice may not be removed or altered from any source distribution.
 * 
 */


using System;
using System.Collections.Generic;
using System.Text;

namespace GoTraxx
{
	class GoBlockBase
	{
		public GoBoard Board;
		public GoBlocksAdjacentCollection AdjacentBlocks;
		public Color BlockColor;
		public List<int> MemberList;
		public Region Members;

		protected static int BlockNbrCounter = 0;	// used for debugging
		public int BlockNbr;						// used for debugging

		public GoBlockBase(GoBoard goBoard, Color blockColor)
		{
			Board = goBoard;
			BlockColor = blockColor;
			AdjacentBlocks = new GoBlocksAdjacentCollection(this);

			Members = new Region(Board.BoardSize);
			MemberList = new List<int>();

			BlockNbr = ++BlockNbrCounter;
		}

		public bool IsEmptyBlock()
		{
			return BlockColor.IsEmpty;
		}

		public override int GetHashCode()
		{
			return BlockNbr;
		}

		public virtual bool _SelfTest()
		{
			if (!_SelfTest2())
			{
				Console.WriteLine("GoBlockBase.SelfTest Failed");				
				return false;
			}
			return true;
		}

		public virtual bool _SelfTest2()
		{
			for (int i = 0; i < Board.BoardSize * Board.BoardSize; i++)
			{
				if (Members.Contains(i))
					if (Board.Cells[i].Color != BlockColor)
						return false;
			}

			return true;
		}
	}
}