Libs/PlayRuleController.cs

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using System;
using System.Threading;

namespace VS2048
{
    /// <summary>
    /// 上下左右移动的时候，不需要知道那个cell获取了焦点，
    /// 而是根据算法，比如，向左移动，那么最左边的两个相同，则合并
    /// 相当于MVC里面的C
    /// </summary>
    internal class PlayRuleController
    {
        private int _rowNum = 0;
        private int _colNum = 0;

        private PlayBox _playBox = null;
        private CellsHolder _cellsmodel = new CellsHolder();
        private CellStyleDictionary _cellStyles = new CellStyleDictionary();

        private GameSummaryInfo _sumInfo;

        private Random _rdm = null;
        private object _lockObj = new object();

        public Action<GameSummaryInfo> OnGameSummaryInfoChanged;

        public GameSummaryInfo CurGameSummaryInfo
        {
            get { return _sumInfo; }
        }

        public ICell[,] Cells
        {
            get { return _cellsmodel.Cells; }
        }

        public PlayRuleController(PlayBox playbox, int cellRowNum, int cellColNum)
        {
            _rowNum = cellRowNum;
            _colNum = cellColNum;

            _playBox = playbox;
            _cellsmodel.RowNum = cellRowNum;
            _cellsmodel.ColumnNum = cellColNum;
            _cellsmodel.CellMergeStrategy = new DirectionCellMergeStrategy();
        }

        public void ClearModel()
        {
            if (_cellsmodel != null)
                _cellsmodel.ClearCell();
            _sumInfo = new GameSummaryInfo();
        }

        public void DoKeyUp(int keyVal)
        {
            ThreadPool.QueueUserWorkItem(new System.Threading.WaitCallback(DoNextStep), keyVal);
        }

        private void DoNextStep(object keyVal)