expandmines(uint row, uint col).txt

用VC++设计与实现扫雷系统

//in file : MineWnd.cpp
//雷方块拓展（对于周围无雷的空白区域）

void CMineWnd::ExpandMines(UINT row, UINT col)
{
	UINT i,j;
	UINT minRow = (row == 0) ? 0 : row - 1;
	UINT maxRow = row +2;
	UINT minCol = (col == 0) ? 0 : col - 1;
	UINT maxCol = col + 2;
	UINT around = GetAroundNum(row ,col);

	//显示该区域的方块状态
	m_pMines[row][col].uState = 15 - around;
	m_pMines[row][col].uOldState = 15 - around;	

	//“打开”该区域，重绘
	DrawSpecialMine (row,col);

	//对周围一个雷都没有的空白区域
	if (around == 0)
	{
		for (i = minRow; i < maxRow; i++)
		{
			for (j = minCol; j < maxCol; j++)
			{
				//对于周围可以拓展的区域进行的拓展
				if (!(i == row && j == col) && 
					m_pMines[i][j].uState == STATE_NORMAL
					&& m_pMines[i][j].uAttrib != ATTRIB_MINE)
				{
					if (! IsInMineArea(i,j))  continue;
					ExpandMines(i, j); // 递归拓展操作
				}
			}
		}
	}
}