public override void Calculate(int index)
{
CurrentBar = index;
if (saveCurrentBar != CurrentBar)
{
swingHighSwings[index] = 0;
swingLowSwings[index] = 0;
swingHighSeries[index] = 0;
swingLowSeries[index] = 0;
lastHighCache.Add(High.Last(0));
if (lastHighCache.Count > (2 * Strength) + 1)
{
lastHighCache.RemoveAt(0);
}
lastLowCache.Add(Low.Last(0));
if (lastLowCache.Count > (2 * Strength) + 1)
{
lastLowCache.RemoveAt(0);
}
if (lastHighCache.Count == (2 * Strength) + 1)
{
bool isSwingHigh = true;
double swingHighCandidateValue = (double)lastHighCache[Strength];
for (int i = 0; i < Strength; i++)
{
if ((double)lastHighCache[i] >= swingHighCandidateValue - double.Epsilon)
{
isSwingHigh = false;
}
}
for (int i = Strength + 1; i < lastHighCache.Count; i++)
{
if ((double)lastHighCache[i] > swingHighCandidateValue - double.Epsilon)
{
isSwingHigh = false;
}
}
swingHighSwings[index - Strength] = isSwingHigh ? swingHighCandidateValue : 0.0;
if (isSwingHigh)
{
lastSwingHighValue = swingHighCandidateValue;
}
if (isSwingHigh)
{
currentSwingHigh = swingHighCandidateValue;
for (int i = 0; i <= Strength; i++)
{
SwingHighPlot[index - i] = currentSwingHigh;
}
}
else if (High.Last(0) > currentSwingHigh)
{
currentSwingHigh = 0.0;
SwingHighPlot[index] = double.NaN;
}
else
{
SwingHighPlot[index] = currentSwingHigh;
}
if (isSwingHigh)
{
for (int i = 0; i <= Strength; i++)
{
swingHighSeries[index - i] = lastSwingHighValue;
}
}
else
{
swingHighSeries[index] = lastSwingHighValue;
}
}
if (lastLowCache.Count == (2 * Strength) + 1)
{
bool isSwingLow = true;
double swingLowCandidateValue = (double)lastLowCache[Strength];
for (int i = 0; i < Strength; i++)
{
if ((double)lastLowCache[i] <= swingLowCandidateValue + double.Epsilon)
{
isSwingLow = false;
}
}
for (int i = Strength + 1; i < lastLowCache.Count; i++)
{
if ((double)lastLowCache[i] < swingLowCandidateValue + double.Epsilon)
{
isSwingLow = false;
}
}
swingLowSwings[index - Strength] = isSwingLow ? swingLowCandidateValue : 0.0;
if (isSwingLow)
{
lastSwingLowValue = swingLowCandidateValue;
}
if (isSwingLow)
{
currentSwingLow = swingLowCandidateValue;
for (int i = 0; i <= Strength; i++)
{
SwingLowPlot[index - i] = currentSwingLow;
}
}
else if (Low.Last(0) < currentSwingLow)
{
currentSwingLow = double.MaxValue;
SwingLowPlot[index] = double.NaN;
}
else
{
SwingLowPlot[index] = currentSwingLow;
}
if (isSwingLow)
{
for (int i = 0; i <= Strength; i++)
{
swingLowSeries[index - i] = lastSwingLowValue;
}
}
else
{
swingLowSeries[index] = lastSwingLowValue;
}
}
saveCurrentBar = CurrentBar;
}
else
{
if (High.Last(0) > High.Last(Strength) && swingHighSwings.Last(Strength) > 0.0)
{
swingHighSwings[index - Strength] = 0.0;
for (int i = 0; i <= Strength; i++)
{
SwingHighPlot[index - i] = double.NaN;
}
currentSwingHigh = 0.0;
}
else if (High.Last(0) > High.Last(Strength) && currentSwingHigh != 0.0)
{
SwingHighPlot[index] = double.NaN;
currentSwingHigh = 0.0;
}
else if (High.Last(0) <= currentSwingHigh)
{
SwingHighPlot[index] = currentSwingHigh;
}
if (Low.Last(0) < Low.Last(Strength) && swingLowSwings.Last(Strength) > 0.0)
{
swingLowSwings[index - Strength] = 0.0;
for (int i = 0; i <= Strength; i++)
{
SwingLowPlot[index - i] = double.NaN;
}
currentSwingLow = double.MaxValue;
}
else if (Low.Last(0) < Low.Last(Strength) && currentSwingLow != double.MaxValue)
{
SwingLowPlot[index] = double.NaN;
currentSwingLow = double.MaxValue;
}
else if (Low.Last(0) >= currentSwingLow)
{
SwingLowPlot[index] = currentSwingLow;
}
}
}