// Finds adjacent board spaces
public void CalculateAdjacentSpaces(List <List <BoardSpace> > board)
{
BoardSpace left = null;
BoardSpace right = null;
BoardSpace top = null;
BoardSpace bottom = null;
if (boardIndex.x > 0)
{
left = board[boardIndex.x - 1][boardIndex.y];
}
if (boardIndex.x < board.Count - 1)
{
right = board[boardIndex.x + 1][boardIndex.y];
}
if (boardIndex.y > 0)
{
bottom = board[boardIndex.x][boardIndex.y - 1];
}
if (boardIndex.y < board[0].Count - 1)
{
top = board[boardIndex.x][boardIndex.y + 1];
}
adjacentSpaces = new AdjacentSpaces(left, right, top, bottom);
// add dot spawners to the top row
if (top == null)
{
IsTopSpace = true;
BoardSpaceSpawner boardSpaceSpawner = gameObject.AddComponent <BoardSpaceSpawner>();
boardSpaceSpawner.SetCoordinateSpace(coordinateSpace);
boardSpaceSpawner.SetDotManager(dotManager);
spawner = boardSpaceSpawner;
}
}
// Clear out dot spawners at end of dropping
void ResetSpawners()
{
int topRow = boardHeight - 1;
for (int i = 0; i < BoardArray.Count; i++)
{
BoardSpaceSpawner spawner = BoardArray[i][topRow].GetSpawner();
spawner.Reset();
}
}
// Recursively propogates up adjacent spaces to find a new dot
DotController FindNextDot(BoardSpace space, List <Waypoint> waypoints)
{
AdjacentSpaces adjacent = space.GetAdjacentSpaces();
Waypoint spaceWaypoint = new Waypoint(screenPosition);
if (space.IsTopSpace)
{
BoardSpaceSpawner boardSpaceSpawner = space.GetSpawner();
DotController dot = space.GetCurrentDot();
// Spawn a new dot to drop
if (space.IsEmpty || dot.FlaggedToDrop)
{
waypoints.Add(spaceWaypoint);
DotController newDot = boardSpaceSpawner.SpawnDot(waypoints);
newDot.FlaggedToDrop = true;
return(newDot);
}
// Current dot is valid
waypoints.Add(spaceWaypoint);
for (int i = 0; i < waypoints.Count; i++)
{
dot.AddWaypoint(waypoints[i]);
}
dot.FlaggedToDrop = true;
return(dot);
}
BoardSpace nextSpace = adjacent.Top;
DotController nextDot = nextSpace.GetCurrentDot();
// Propogate up adjacent dots
if (nextSpace.IsEmpty || nextDot.FlaggedToDrop)
{
waypoints.Add(spaceWaypoint);
return(FindNextDot(nextSpace, waypoints));
}
// Found valid dot
waypoints.Add(spaceWaypoint);
for (int i = 0; i < waypoints.Count; i++)
{
nextDot.AddWaypoint(waypoints[i]);
}
nextDot.FlaggedToDrop = true;
return(nextDot);
}