public void Calculate(int index)
{
// Sets last sequential bar to Null if the setup interrupted
if (LastSequentialBar != null)
{
if (index > LastSequentialBar.Index)
{
SequentialBars.Add(LastSequentialBar);
}
CancelCountIfInvalidated(index);
}
var priceFlipType = GetPriceFlipType(index);
PlotPriceFlipAction?.Invoke(index, priceFlipType);
// Start new counting
if (LastSequentialBar == null)
{
StartNewSequentialCount(index, priceFlipType);
}
// Continue count
else
{
var continueResult = ContinueSequentialCount(index);
if (!continueResult)
{
StartNewSequentialCount(index, priceFlipType);
var reversalSetup = new TdReversalSetup
{
Type = LastSequentialBar.Type == BarType.Bullish ? TdReversalSetupType.Sell : TdReversalSetupType.Buy,
FirstSequentialBarIndex = LastSequentialBar.Index - MaxSequentialBarsNumber,
LastSequentialBarIndex = LastSequentialBar.Index
};
if (IsReversalSetupPerfect(reversalSetup))
{
PlotPerfectReversalSetupAction?.Invoke(reversalSetup);
}
ReversalSetups.Add(reversalSetup);
}
}
if (LastSequentialBar != null)
{
PlotSequentialBarNumberAction?.Invoke(LastSequentialBar);
}
ContinueCountdownCount(index - 1);
}
private void ContinueCountdownCount(int index)
{
var setupsCopy = ReversalSetups.ToList();
foreach (var setup in setupsCopy)
{
var lastCountdownBarNumber = setup.CountdownBarNumber;
if (setup.Type == TdReversalSetupType.Buy && _source[index] <= _bars.LowPrices[index - 1] && _source[index] <= _bars.LowPrices[index - 2])
{
if (setup.CountdownBarNumber == MaxCountdownBarsNumber - 1 && _bars.LowPrices[index] > _source[setup.EighthCountdownBarIndex])
{
continue;
}
setup.CountdownBarNumber += 1;
}
else if (setup.Type == TdReversalSetupType.Sell && _source[index] >= _bars.HighPrices[index - 1] && _source[index] >= _bars.HighPrices[index - 2])
{
if (setup.CountdownBarNumber == MaxCountdownBarsNumber - 1 && _bars.HighPrices[index] < _source[setup.EighthCountdownBarIndex])
{
continue;
}
setup.CountdownBarNumber += 1;
}
if (lastCountdownBarNumber == setup.CountdownBarNumber)
{
continue;
}
var bar = new TdBar
{
Index = index,
Number = setup.CountdownBarNumber,
Type = setup.Type == TdReversalSetupType.Buy ? BarType.Bearish : BarType.Bullish
};
CountdownBars.Add(bar);
PlotCountdownBarNumberAction?.Invoke(bar);
if (setup.CountdownBarNumber == 1)
{
setup.FirstCountdownBarIndex = index;
}
else if (setup.CountdownBarNumber == 8)
{
setup.EighthCountdownBarIndex = index;
}
if (setup.CountdownBarNumber == MaxCountdownBarsNumber)
{
setup.LastCountdownBarIndex = MaxCountdownBarsNumber;
ReversalSetups.Remove(setup);
}
if (setup.CountdownBarNumber == AlertOnCountdownBarNumber)
{
TriggerAlertAction?.Invoke(index, setup.Type == TdReversalSetupType.Buy ? TradeType.Buy : TradeType.Sell, true);
}
}
}
