encodeMortal method
Implementation
encodeMortal(int current, int period) {
final calPeriod = pow(2, (log(period) / log(2)).ceil());
final phase = current % min(max(calPeriod, 4), 1 << 16);
final quantizeFactor = max(1, period >> 12);
final quantizedPhase = phase / quantizeFactor * quantizeFactor;
return encode(quantizedPhase.toInt(), calPeriod as int);
}