public IEnumerator PopChainLoop(GridBall newGridBall)
{
// set this before we lose a reference to it when the new grid ball pops
BallGrid currentBallGrid = newGridBall.ballGrid;
currentBallGrid.SetState(BallGrid.State.Popping);
List <GridBall> ballCluster = new List <GridBall>()
{
newGridBall
};
List <GridBall> searched = new List <GridBall>(ballCluster);
Queue <GridBall> searchQueue = new Queue <GridBall>(ballCluster);
List <GridBall> adjacentBallsThatSurvived = new List <GridBall>();
while (searchQueue.Count > 0)
{
GridBall curBall = searchQueue.Dequeue();
if (curBall.ballColor == newGridBall.ballColor)
{
if (!ballCluster.Contains(curBall))
{
ballCluster.Add(curBall);
}
foreach (GridBall gb in curBall.neighbors)
{
if (!searched.Contains(gb))
{
searched.Add(gb);
searchQueue.Enqueue(gb);
}
}
}
else
{
if (!adjacentBallsThatSurvived.Contains(curBall))
{
adjacentBallsThatSurvived.Add(curBall);
}
}
}
if (ballCluster.Count >= 3)
{
foreach (GridBall gb in ballCluster)
{
gb.RemoveFromWall();
yield return(new WaitForSeconds(POP_DELAY));
}
}
int loopSafety = 0;
List <GridBall> searched2 = new List <GridBall>();
while (adjacentBallsThatSurvived.Count > 0)
{
GridBall survivorBall = adjacentBallsThatSurvived[0];
searched2.Add(survivorBall);
adjacentBallsThatSurvived.RemoveAt(0);
survivorBall.CheckIfConnectedToWall();
if (!survivorBall.isConnectedToWall)
{
foreach (GridBall gb in survivorBall.neighbors)
{
if (!searched2.Contains(gb) && !adjacentBallsThatSurvived.Contains(gb))
{
adjacentBallsThatSurvived.Add(gb);
}
}
survivorBall.RemoveFromWall();
yield return(new WaitForSeconds(POP_DELAY));
}
loopSafety++;
if (loopSafety > 10000)
{
Debug.LogError("loop safety!");
break;
}
}
currentBallGrid.SetState(BallGrid.State.Default);
}