private void MeasureLength(GamePosition v, List <GamePosition> ret)
{
var winValue = v.Value;
for (int i = 0; i < 4; i++)
{
var dirPos = v;
var dirNeg = v.MoveInverted((DirectionEnum)i);
var dirArr = new List <GamePosition>();
while (FindPointValue(dirPos) == winValue)
{
dirArr.Add(dirPos);
dirPos = dirPos.Move((DirectionEnum)i);
}
while (FindPointValue(dirNeg) == winValue)
{
dirArr.Add(dirNeg);
dirNeg = dirNeg.MoveInverted((DirectionEnum)i);
}
if (dirArr.Count() > ret.Count())
{
ret.Clear();
ret.AddRange(dirArr);
}
}
}
public IList <GamePosition> AddPoint(GamePosition v)
{
var ret = new List <GamePosition>();
if (FindPoint(v) == null)
{
Points.Add(v);
MeasureLength(v, ret);
}
return(ret);
}
public int FindPointValue(GamePosition pos)
{
var ret = 0;
var point = FindPoint(pos);
if (point != null)
{
ret = point.Value;
}
return(ret);
}
public GamePosition FindPoint(GamePosition pos)
{
return(Points.FirstOrDefault(d => d.Match(pos)));
}
internal bool Match(GamePosition pos)
{
return(X == pos.X && Y == pos.Y);
}