public static void StartRevealChain(Cell[,] level, int x, int y, Func <Cell, Vector2Int, bool> onSouldReveal)
{
if (!level.TryGetValue(x, y, out Cell cell))
{
return; // Indexes out of range
}
if (cell.isRevealed || cell.hasFlag)
{
return; // cell is no subject revelation.
}
if ((level[x, y].isRevealed = onSouldReveal(cell, new Vector2Int(x, y))) == false)
{
return; // reveal result asks to stop chain.
}
if (cell.value == 0)
{
const int neighborCount = 8;
var neighbors = ArrayPool <Vector2Int> .Get(neighborCount);
LevelUtility.GetAdjacentCellsSquare(new Vector2Int(x, y), neighbors);
for (int i = 0; i < neighborCount; i++)
{
Vector2Int nPos = neighbors[i];
StartRevealChain(level, nPos.x, nPos.y, onSouldReveal);
}
ArrayPool <Vector2Int> .Release(neighbors);
}
}
