uint Function::speedAdd(uint left, uint right)
{
if (speedNormalize(left) == infiniteSpeed()
|| speedNormalize(right) == infiniteSpeed())
return infiniteSpeed();
return speedNormalize(left + right);
}
uint Function::speedSubstract(uint left, uint right)
{
if (right >= left)
return 0;
if (speedNormalize(right) == infiniteSpeed())
return 0;
if (speedNormalize(left) == infiniteSpeed())
return infiniteSpeed();
return speedNormalize(left - right);
}
QString Function::speedToString(uint ms)
{
QString str;
if (ms == infiniteSpeed())
{
str = QChar(0x221E); // Infinity symbol
}
else
{
uint h, m, s;
h = ms / MS_PER_HOUR;
ms -= (h * MS_PER_HOUR);
m = ms / MS_PER_MINUTE;
ms -= (m * MS_PER_MINUTE);
s = ms / MS_PER_SECOND;
ms -= (s * MS_PER_SECOND);
if (h != 0)
str += QString("%1h").arg(h, 2, 10, QChar('0'));
if (m != 0)
str += QString("%1m").arg(m, 2, 10, QChar('0'));
if (s != 0)
str += QString("%1s").arg(s, 2, 10, QChar('0'));
// Always display .ms
str += QString(".%1").arg(ms / 10, 2, 10, QChar('0'));
}
return str;
}
uint Function::stringToSpeed(QString speed)
{
uint value = 0;
if (speed == QChar(0x221E)) // Infinity symbol
return infiniteSpeed();
QStringList hours = speed.split("h");
if (hours.count() > 1)
{
value += (hours.at(0).toUInt() * 60 * 60 * 1000);
speed.remove(0, speed.indexOf("h") + 1);
}
QStringList mins = speed.split("m");
if (mins.count() > 1)
{
value += (mins.at(0).toUInt() * 60 * 1000);
speed.remove(0, speed.indexOf("m") + 1);
}
QStringList secs = speed.split("s");
if (secs.count() > 1)
{
value += (secs.at(0).toUInt() * 1000);
speed.remove(0, speed.indexOf("s") + 1);
}
// lround avoids toDouble precison issues (.03 transforms to .029)
value += lround(speed.toDouble() * 1000.0);
return speedNormalize(value);
}
uint Function::stringToSpeed(QString speed)
{
uint value = 0;
if (speed == QChar(0x221E)) // Infinity symbol
return infiniteSpeed();
value += speedSplit(speed, "h") * 1000 * 60 * 60;
value += speedSplit(speed, "m") * 1000 * 60;
value += speedSplit(speed, "s") * 1000;
if (speed.contains("."))
{
// lround avoids toDouble precison issues (.03 transforms to .029)
value += lround(speed.toDouble() * 1000.0);
}
else
{
if (speed.contains("ms"))
speed = speed.split("ms").at(0);
value += speed.toUInt();
}
return speedNormalize(value);
}
QString Function::speedToString(uint ms)
{
QString str;
if (ms == infiniteSpeed())
{
str = QChar(0x221E); // Infinity symbol
}
else
{
uint h, m, s;
h = ms / MS_PER_HOUR;
ms -= (h * MS_PER_HOUR);
m = ms / MS_PER_MINUTE;
ms -= (m * MS_PER_MINUTE);
s = ms / MS_PER_SECOND;
ms -= (s * MS_PER_SECOND);
if (h != 0)
str += QString("%1h").arg(h, 1, 10, QChar('0'));
if (m != 0)
str += QString("%1m").arg(m, str.size() ? 2 : 1, 10, QChar('0'));
if (s != 0)
str += QString("%1s").arg(s, str.size() ? 2 : 1, 10, QChar('0'));
if (ms != 0 || str.size() == 0)
str += QString("%1ms").arg(ms, str.size() ? 3 : 1, 10, QChar('0'));
}
return str;
}
uint Function::beatsToTime(uint beats, int beatDuration)
{
if (beats == 0 || beats == infiniteSpeed())
return beats;
return ((float)beats / 1000.0) * beatDuration;
}
uint Function::timeToBeats(uint time, int beatDuration)
{
if (time == 0 || time == infiniteSpeed())
return time;
uint value = 0;
float beats = (float)time / (float)beatDuration;
value = floor(beats) * 1000;
beats -= floor(beats);
beats = floor((beats * 1000) / 125) * 125;
return value + beats;
}
uint Function::speedNormalize(uint speed)
{
if ((int)speed < 0)
return infiniteSpeed();
return speed - (speed % 10);
}
