IEnumerator UpdateBoardIndices(MatchInfo match)
{
int minX = match.GetMinX(); // Minimum match horizontal position
int maxX = match.GetMaxX(); // Maximum match horizontal position
int minY = match.GetMinY(); // Minimum match vertical position
int maxY = match.GetMaxY(); // Maximum match vertical position
List <Item> fallingItems = new List <Item> {
}; // List to hold items that must fall
if (minY == maxY) // Horizontal match, we have to update several columns (for the remaining upper items)
{
for (int i = minX; i <= maxX; i++) //Loop through horizontal positions
{
for (int j = minY; j < height - 1; j++) //Loop through vertical positions above match
{
Item upperIndex = _items[i, j + 1];
Item current = _items[i, j];
// Do the swappingz
_items[i, j] = upperIndex;
_items[i, j + 1] = current;
_items[i, j].SetPosition(_items[i, j].x, _items[i, j].y - 1);
fallingItems.Add(_items[i, j]); // Set the item to fall
}
// Fill empty space with new random item
_items[i, height - 1] = InstantiateDoddle(i, height - 1, 0, 1);
Item newItem = _items[i, height - 1];
fallingItems.Add(newItem); // Fall this new item
}
}
else if (minX == maxX) // Vertical match, we have to update just one column
{
int matchHeight = (maxY - minY) + 1;
int currentX = minX;
for (int j = minY + matchHeight; j <= height - 1; j++) // Loop throught vertical positions above match
{
Item lowerIndex = _items[currentX, j - matchHeight];
Item current = _items[currentX, j];
//Do the swappingz
_items[currentX, j - matchHeight] = current;
_items[currentX, j] = lowerIndex;
}
for (int y = 0; y < height - matchHeight; y++) // Update all items on column
{
_items[currentX, y].SetPosition(currentX, y);
fallingItems.Add(_items[currentX, y]);
}
for (int i = 0; i < match.Count; i++) // Loop through match count
{
int newYPos = (height - 1) - i; // Vertical position for the new item
_items[currentX, newYPos] = InstantiateDoddle(currentX, newYPos, 0, match.Count); // Instantiate new item
fallingItems.Add(_items[currentX, newYPos]); // Set new item to fall
}
}
yield return(StartCoroutine(FallItems(fallingItems))); // Fall all items setted to fall and waits for finish
CheckForMatches(); // Check for more matches after update
bool hasPossibleMoves = CheckForPossibleMoves();
if (!hasPossibleMoves)
{
Debug.Log("No more possible moves. Shuffling board.");
ShuffleBoard(new System.Random());
}
;
yield return(null);
}
