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refactor: CMcGinleyFilter class

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This commit is contained in:
Toh4iem9
2025-10-11 18:54:12 +02:00
parent bc9f12409e
commit b7eb35ce97
1 changed files with 7 additions and 25 deletions
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Indicators/MyIndicators/McGinleyDynamic_Pro.mq5
+7 -25
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@@ -5,7 +5,7 @@
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property link ""
#property version "3.00"
#property version "3.10" // Final robust version with internal state management
#property description "Professional McGinley Dynamic Indicator with selectable"
#property description "price source (Standard and Heikin Ashi)."
@@ -46,8 +46,8 @@ enum ENUM_APPLIED_PRICE_HA_ALL
};
//--- Input Parameters ---
input int InpLength = 14; // Period
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; // Applied Price
input int InpLength = 14;
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
//--- Indicator Buffers ---
double BufferMcGinley[];
@@ -60,32 +60,28 @@ CMcGinleyDynamicCalculator *g_calculator;
//+------------------------------------------------------------------+
int OnInit()
{
//--- Map the buffer and set as non-timeseries
SetIndexBuffer(0, BufferMcGinley, INDICATOR_DATA);
ArraySetAsSeries(BufferMcGinley, false);
//--- Dynamically create the appropriate calculator instance
if(InpSourcePrice <= PRICE_HA_CLOSE) // Heikin Ashi source selected
if(InpSourcePrice <= PRICE_HA_CLOSE)
{
g_calculator = new CMcGinleyDynamicCalculator_HA();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("McGinley HA(%d)", InpLength));
}
else // Standard price source selected
else
{
g_calculator = new CMcGinleyDynamicCalculator();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("McGinley(%d)", InpLength));
}
//--- Check if creation was successful and initialize
if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpLength))
{
Print("Failed to create or initialize McGinley Dynamic Calculator object.");
return(INIT_FAILED);
}
//--- Set indicator display properties
IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, 1);
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpLength - 1);
return(INIT_SUCCEEDED);
}
@@ -95,7 +91,6 @@ int OnInit()
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
//--- Free the calculator object to prevent memory leaks
if(CheckPointer(g_calculator) != POINTER_INVALID)
delete g_calculator;
}
@@ -103,32 +98,19 @@ void OnDeinit(const int reason)
//+------------------------------------------------------------------+
//| Custom indicator calculation function. |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
const int prev_calculated,
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[])
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&[])
{
//--- Ensure the calculator object is valid
if(CheckPointer(g_calculator) == POINTER_INVALID)
return 0;
//--- Convert our custom enum to the standard ENUM_APPLIED_PRICE
ENUM_APPLIED_PRICE price_type;
if(InpSourcePrice <= PRICE_HA_CLOSE)
price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
else
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
//--- Delegate the entire calculation to our calculator object
g_calculator.Calculate(rates_total, open, high, low, close, price_type, BufferMcGinley);
//--- Return rates_total for a full recalculation, ensuring stability
return(rates_total);
}
//+------------------------------------------------------------------+