public List<PointField> DoUpdate(bool oneloop = false)
{
var list = new List<PointField>();
while (_newEntries.Count > 0)
{
_currentlyChecking = _newEntries.Dequeue();
var connectedItems = GetConnectedItems(_currentlyChecking);
if (connectedItems.Count > 1)
{
var list2 = handleListOfConnectedPoints(connectedItems, _currentlyChecking);
list.AddRange(list2.Where(current => current.Count >= 4)
.Select(FindClosed)
.Where(pointField => true));
}
_currentField[_currentlyChecking.Y, _currentlyChecking.X] = _currentlyChecking.Value;
}
return list;
}
private List<Point> GetConnectedItems(GametileUpdate update)
{
var list = new List<Point>();
var x = update.X;
var y = update.Y;
{
if (_diagonal)
{
if (this[y - 1, x - 1] && _currentField[y - 1, x - 1] == update.Value)
list.Add(new Point(x - 1, y - 1));
if (this[y - 1, x + 1] && _currentField[y - 1, x + 1] == update.Value)
list.Add(new Point(x + 1, y - 1));
if (this[y + 1, x - 1] && _currentField[y + 1, x - 1] == update.Value)
list.Add(new Point(x - 1, y + 1));
if (this[y + 1, x + 1] && _currentField[y + 1, x + 1] == update.Value)
list.Add(new Point(x + 1, y + 1));
}
if (this[y - 1, x] && _currentField[y - 1, x] == update.Value)
list.Add(new Point(x, y - 1));
if (this[y + 1, x] && _currentField[y + 1, x] == update.Value)
list.Add(new Point(x, y + 1));
if (this[y, x - 1] && _currentField[y, x - 1] == update.Value)
list.Add(new Point(x - 1, y));
if (this[y, x + 1] && _currentField[y, x + 1] == update.Value)
list.Add(new Point(x + 1, y));
return list;
}
}
private IEnumerable<LinkedList<AStarSolver<GameField>.PathNode>> handleListOfConnectedPoints(
List<Point> pointList,
GametileUpdate update)
{
var list = new List<LinkedList<AStarSolver<GameField>.PathNode>>();
var num = 0;
{
foreach (var current in pointList)
{
num++;
if (num == pointList.Count / 2 + 1)
return list;
list.AddRange(
pointList.Where(current2 => !(current == current2))
.Select(current2 => _astarSolver.Search(current2, current))
.Where(linkedList => linkedList != null));
}
return list;
}
}