private int ScanForCombos(int x, int y, bool checkRow)
{
// Setup variables
int startIndex = y, maxIndex = grid.Height;
if (checkRow == true)
{
startIndex = x;
maxIndex = grid.Width;
}
// Grab the first block
Block compareBlock = grid.Blocks[x, y];
// Before check anything, increment the end index on unit past the start
int endIndex = (startIndex + 1);
// Check the block
if (compareBlock == null)
{
// Return the end index immediately if this is an empty cell
return(endIndex);
}
else if (LengthOfFormation(x, y, startIndex, ref endIndex, maxIndex, compareBlock, checkRow) >= BlocksInARow)
{
// At this point, we found a row. Look for a pre-existing hashset.
Block[] newFormation = CreateNewFormation(x, y, startIndex, endIndex, checkRow);
// Add this formation in the appropriate list
ScannedFormations.AddFormation(newFormation, checkRow);
}
return(endIndex);
}
private DiscoveredFormations ScanFormations(int numCombos, out bool isFormationFound)
{
// Clear the list
ScannedFormations.Reset();
// Drop the blocks, first
AnimateBlocksDropping();
// Scan the grid for any formations
ScanRowsForCombos(numCombos);
ScanColumnsForCombos(numCombos);
// Check how many formations were found
isFormationFound = ScannedFormations.IsFormationFound;
return(ScannedFormations);
}