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refactor: Optimized for incremental calculation

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This commit is contained in:
Toh4iem9
2025-12-08 12:44:11 +01:00
parent 9992f791f7
commit 84edef35ae
1 changed files with 12 additions and 14 deletions
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Indicators/MyIndicators/Bollinger_ATR_Oscillator.mq5
+12 -14
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@@ -1,10 +1,9 @@
//+------------------------------------------------------------------+
//| Bollinger_ATR_Oscillator.mq5 |
//| Copyright 2025, xxxxxxxx|
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property version "2.01"
#property version "2.20" // Optimized for incremental calculation
#property description "Bollinger Bands ATR Oscillator by Jon Anderson."
#property description "Includes a full range of standard and Heikin Ashi price sources."
@@ -26,6 +25,7 @@ input int InpAtrPeriod = 22;
input int InpBandsPeriod = 55;
input double InpBandsDev = 2.0;
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
input ENUM_ATR_SOURCE InpAtrSource = ATR_SOURCE_STANDARD; // Default to Standard (Hybrid)
//--- Indicator Buffers ---
double BufferOscillator[];
@@ -33,8 +33,6 @@ double BufferOscillator[];
//--- Global calculator object ---
CBollingerATROscillatorCalculator *g_calculator;
//+------------------------------------------------------------------+
//| Custom indicator initialization function. |
//+------------------------------------------------------------------+
int OnInit()
{
@@ -44,29 +42,31 @@ int OnInit()
if(InpSourcePrice <= PRICE_HA_CLOSE)
{
g_calculator = new CBollingerATROscillatorCalculator_HA();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("BB_ATR_Osc HA(%d, %d)", InpAtrPeriod, InpBandsPeriod));
}
else
{
g_calculator = new CBollingerATROscillatorCalculator();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("BB_ATR_Osc(%d, %d)", InpAtrPeriod, InpBandsPeriod));
}
if(CheckPointer(g_calculator) == POINTER_INVALID ||
!g_calculator.Init(InpAtrPeriod, InpBandsPeriod, InpBandsDev))
!g_calculator.Init(InpAtrPeriod, InpBandsPeriod, InpBandsDev, InpAtrSource))
{
Print("Failed to initialize Bollinger ATR Oscillator Calculator.");
return(INIT_FAILED);
}
string atr_src_str = (InpAtrSource == ATR_SOURCE_HEIKIN_ASHI) ? "HA" : "Std";
if(InpSourcePrice <= PRICE_HA_CLOSE)
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("BB_ATR_Osc HA(%d, %d, ATR:%s)", InpAtrPeriod, InpBandsPeriod, atr_src_str));
else
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("BB_ATR_Osc(%d, %d, ATR:%s)", InpAtrPeriod, InpBandsPeriod, atr_src_str));
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, MathMax(InpAtrPeriod, InpBandsPeriod));
IndicatorSetInteger(INDICATOR_DIGITS, 4);
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function. |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
@@ -75,9 +75,7 @@ void OnDeinit(const int reason)
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function. |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[])
int OnCalculate(const int rates_total, const int prev_calculated, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[])
{
if(CheckPointer(g_calculator) != POINTER_INVALID)
{
@@ -87,9 +85,9 @@ int OnCalculate(const int rates_total, const int, const datetime&[], const doubl
else
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferOscillator);
//--- Delegate calculation with prev_calculated optimization
g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, BufferOscillator);
}
return(rates_total);
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+