private void CheckInterval(XInterval xInterval)
{
if (xInterval.MinX < _minX)
{
_minX = xInterval.MinX;
}
if (xInterval.MaxX > _maxX)
{
_maxX = xInterval.MaxX;
}
if (xInterval.Y < _minY)
{
_minY = xInterval.Y;
}
if (xInterval.Y > _maxY)
{
_maxY = xInterval.Y;
}
}
private void BuildBoard()
{
var lines = _stream.ReadStringDocument();
const string pattern1 = @"^x=(\d+), y=(\d+)\.\.(\d+)";
const string pattern2 = @"^y=(\d+), x=(\d+)\.\.(\d+)";
foreach (var line in lines)
{
var match = Regex.Match(line, pattern2);
if (match.Success)
{
var groups = match.Groups;
var xInterval = new XInterval
{
Y = int.Parse(groups[1].Value),
MinX = int.Parse(groups[2].Value),
MaxX = int.Parse(groups[3].Value)
};
_xIntervals.Add(xInterval);
CheckInterval(xInterval);
}
else
{
match = Regex.Match(line, pattern1);
if (match.Success)
{
var groups = match.Groups;
var yInterval = new YInterval
{
X = int.Parse(groups[1].Value),
MinY = int.Parse(groups[2].Value),
MaxY = int.Parse(groups[3].Value)
};
_yIntervals.Add(yInterval);
CheckInterval(yInterval);
}
else
{
throw new Exception("Invalid");
}
}
}
var xLen = _maxX - _minX + 1;
var yLen = _maxY - _minY + 1;
_board = new Cell[yLen, xLen + 2];
_boardMaxX = GetX(_maxX);
_boardMaxY = GetY(_maxY);
foreach (var item in _xIntervals)
{
var y = GetY(item.Y);
for (int i = item.MinX; i <= item.MaxX; i++)
{
_board[y, GetX(i)] = new Cell {
Type = Type.Sand
};
}
}
foreach (var item in _yIntervals)
{
var x = GetX(item.X);
for (int i = item.MinY; i <= item.MaxY; i++)
{
_board[GetY(i), x] = new Cell {
Type = Type.Sand
};
}
}
}