public void PutValue(int x, int y, int value)
{
var target = cellBoard[x, y];
if (target.Value > 0)
{
var from = new CellData(target);
target.Value = value;
CellMoved?.Invoke(this, new CellMovedEventArgs(from, new CellData(target), null));
}
else
{
target.Value = value;
CellCreated?.Invoke(this, new CellCreatedEventArgs(new CellData(target)));
}
SaveUndo();
}
public void PullDown()
{
SaveUndo();
for (var x = 0; x < sizeX; x++)
{
var values = new List <CellData>();
for (var y = maxY; y >= 0; y--)
{
var cell = cellBoard[x, y];
if (cell.Value > 0)
{
values.Add(new CellData(cell));
}
}
var merged = TruncateList(values);
var n = 0;
for (var y = maxY; y >= 0; y--)
{
var to = cellBoard[x, y];
if (n < merged.Count)
{
var from = merged[n];
n++;
to.Value = from.Data.Value;
if (from.Merged.HasValue)
{
CellMoved?.Invoke(this, new CellMovedEventArgs(from.Data, new CellData(to), from.Merged.Value));
}
else if (from.Data.Y != y)
{
CellMoved?.Invoke(this, new CellMovedEventArgs(from.Data, new CellData(to), null));
}
}
else
{
to.Value = 0;
}
}
}
CalculatePoints();
}