// 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);
}