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refactor: Optimized for incremental calculation

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This commit is contained in:
Toh4iem9
2025-12-07 16:55:00 +01:00
parent 7e24bb23b7
commit c50ff422a1
1 changed files with 15 additions and 7 deletions
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Indicators/MyIndicators/Bollinger_Bands_Pro.mq5
+15 -7
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@@ -1,10 +1,9 @@
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
//| Bollinger_Bands_Pro.mq5 | //| Bollinger_Bands_Pro.mq5 |
//| Copyright 2025, xxxxxxxx| //| Copyright 2025, xxxxxxxx|
//| |
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx" #property copyright "Copyright 2025, xxxxxxxx"
#property version "1.00" #property version "1.10" // Optimized for incremental calculation
#property description "A professional, unified Bollinger Bands indicator with a selectable" #property description "A professional, unified Bollinger Bands indicator with a selectable"
#property description "price source, including a full range of Heikin Ashi prices." #property description "price source, including a full range of Heikin Ashi prices."
@@ -96,20 +95,29 @@ void OnDeinit(const int reason)
} }
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
//| Custom indicator iteration function. | //| Custom indicator calculation 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, // <--- Now used!
const datetime &time[],
const double &open[],
const double &high[],
const double &low[],
const double &close[],
const long &tick_volume[],
const long &volume[],
const int &spread[])
{ {
if(CheckPointer(g_calculator) != POINTER_INVALID) if(CheckPointer(g_calculator) != POINTER_INVALID)
{ {
//--- Convert our custom enum back to a standard ENUM_APPLIED_PRICE for the calculator
ENUM_APPLIED_PRICE price_type; ENUM_APPLIED_PRICE price_type;
if(InpSourcePrice <= PRICE_HA_CLOSE) if(InpSourcePrice <= PRICE_HA_CLOSE)
price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice); // Convert -1 to 1 (CLOSE), -2 to 2 (OPEN) etc. price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
else else
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
g_calculator.Calculate(rates_total, price_type, open, high, low, close, //--- Delegate calculation with prev_calculated optimization
g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close,
BufferCenterLine, BufferUpperBand, BufferLowerBand); BufferCenterLine, BufferUpperBand, BufferLowerBand);
} }
return(rates_total); return(rates_total);