private List <SlotController> GetLineForDestroy(string lineType, int lineIndex)
{
if (lineType != HORIZONTAL_LINE && lineType != VERTICAL_LINE)
{
throw new Exception("Incorrect type of line, use const strings of this class");
}
var lineList = new List <SlotController>();
var isCreatingLine = false;
for (int i = 1; i < FieldSize; i++)
{
var currentX = lineType == HORIZONTAL_LINE ? i : lineIndex;
var currentY = lineType == VERTICAL_LINE ? i : lineIndex;
var deltaX = lineType == HORIZONTAL_LINE ? 1 : 0;
var deltaY = lineType == VERTICAL_LINE ? 1 : 0;
SlotController currentSlot = GetSlotByPosition(currentX, currentY);
if (currentSlot.IsSameTypeNeighborWith(currentX - deltaX, currentY - deltaY))
{
if (currentSlot.IsSameTypeNeighborWith(currentX + deltaX, currentY + deltaY) && !isCreatingLine) //add current and prev if next same
{
isCreatingLine = true;
lineList.Add(currentSlot);
lineList.Add(GetSlotByPosition(currentX - deltaX, currentY - deltaY));
}
else if (isCreatingLine)
{
lineList.Add(currentSlot);
}
}
else
{
isCreatingLine = false;
}
}
if (!(lineList.Count == 0 || lineList.Count > 2))
{
throw new Exception("Invalid line item count");
}
if (lineList.Any(slot => slot.TrashController.IsAbleToFall()))
{
return(new List <SlotController>());
}
return(lineList);
}