// проверка на 3 подряд влево и вверх
private bool CheckThrees(int row, int column)
{
bool hasThrees = false;
TileImage curImage = (TileImage)GetElement(row, column);
if (row > 1)
{
TileImage imageMinusRow = (TileImage)GetElement(row - 1, column);
TileImage imageMinus2Row = (TileImage)GetElement(row - 2, column);
if (curImage.ColorName == imageMinusRow.ColorName && curImage.ColorName == imageMinus2Row.ColorName)
{
return(true);
}
}
if (column > 1)
{
TileImage imageMinusColumn = (TileImage)GetElement(row, column - 1);
TileImage imageMinus2Column = (TileImage)GetElement(row, column - 2);
if (curImage.ColorName == imageMinusColumn.ColorName && curImage.ColorName == imageMinus2Column.ColorName)
{
return(true);
}
}
return(hasThrees);
}
// удаление по ссылке (полиморфизм)
private void RemoveTImage(TileImage tile)
{
if (tile != null)
{
Children.Remove(tile);
}
}
public void MatchAndClear()
{
CopyBoard();
currentTile = null;
collector.Clear();
for (int y = 0; y < dimension; y++)
{
for (int x = 0; x < dimension; x++)
{
TestTile(x, y);
if (collector.Count >= 3 && (tripleX >= 3 || tripleY >= 3))
{
foreach (TileImage tile in collector)
{
RemoveTImage(tile);
AddPoints(1);
}
}
currentTile = null;
collector.Clear();
tripleY = tripleX = 0;
}
}
FillEmptyTiles();
}
// добавление тайла по индексам
private TileImage PlaceTImage(int x, int y, string color)
{
RemoveTImage(x, y);
var timage = new TileImage(color);
SetRow(timage, x);
SetColumn(timage, y);
timage.MouseDown += OnMouseClick;
timage.Drop += TargetDrop;
Children.Add(timage);
return(timage);
}
private void TestTile(int x, int y)
{
if (tileImagesArr[x, y] == null)
{
return;
}
if (currentTile == null)
{
currentTile = tileImagesArr[x, y];
tileImagesArr[x, y] = null;
collector.Add(currentTile);
}
else if (currentTile.ColorName != tileImagesArr[x, y].ColorName)
{
return;
}
else
{
collector.Add(tileImagesArr[x, y]);
tileImagesArr[x, y] = null;
}
if (x > 0)
{
tripleX++;
TestTile(x - 1, y);
}
if (y > 0)
{
tripleY++;
TestTile(x, y - 1);
}
if (x < dimension - 1)
{
tripleX++;
TestTile(x + 1, y);
}
if (y < dimension - 1)
{
tripleY++;
TestTile(x, y + 1);
}
}