public void LinkTile(GameTile nextTile)
{
PreviousTile = (_tileStack.Count > 0) ? _tileStack.Peek() : null;
_tileStack.Push(nextTile);
nextTile.FillTile(_goalTotal, PreviousTile);
if (nextTile.GetType() == typeof(NumberTile))
{
PathTotal = (int)_stf.Eval(_equationGenerator.GetEquationString(this, true));
_goalTotal.CheckComplete();
}
pathUpdatedEvent.Invoke();
}