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mql5/Indicators/MyIndicators/VIDYA_Pro.mq5
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2025-10-01 14:52:31 +02:00

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//+------------------------------------------------------------------+
//| VIDYA_Pro.mq5 |
//| Copyright 2025, xxxxxxxx|
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property link ""
#property version "2.00"
#property description "Professional Variable Index Dynamic Average (VIDYA) with selectable"
#property description "price source (Standard and Heikin Ashi)."
//--- Indicator Window and Plot Properties ---
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_plots 1
#property indicator_type1 DRAW_LINE
#property indicator_color1 clrRed
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
#property indicator_label1 "VIDYA"
//--- Include the calculator engine ---
#include <MyIncludes\VIDYA_Calculator.mqh>
//--- Custom Enum for Price Source, including Heikin Ashi ---
enum ENUM_APPLIED_PRICE_HA_ALL
{
//--- Heikin Ashi Prices (negative values for easy identification)
PRICE_HA_CLOSE = -1,
PRICE_HA_OPEN = -2,
PRICE_HA_HIGH = -3,
PRICE_HA_LOW = -4,
PRICE_HA_MEDIAN = -5,
PRICE_HA_TYPICAL = -6,
PRICE_HA_WEIGHTED = -7,
//--- Standard Prices (using built-in ENUM_APPLIED_PRICE values)
PRICE_CLOSE_STD = PRICE_CLOSE,
PRICE_OPEN_STD = PRICE_OPEN,
PRICE_HIGH_STD = PRICE_HIGH,
PRICE_LOW_STD = PRICE_LOW,
PRICE_MEDIAN_STD = PRICE_MEDIAN,
PRICE_TYPICAL_STD = PRICE_TYPICAL,
PRICE_WEIGHTED_STD= PRICE_WEIGHTED
};
//--- Input Parameters ---
input int InpPeriodCMO = 9;
input int InpPeriodEMA = 12;
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
//--- Indicator Buffers ---
double BufferVIDYA[];
//--- Global calculator object (as a base class pointer) ---
CVIDYACalculator *g_calculator;
//+------------------------------------------------------------------+
//| Custom indicator initialization function. |
//+------------------------------------------------------------------+
int OnInit()
{
SetIndexBuffer(0, BufferVIDYA, INDICATOR_DATA);
ArraySetAsSeries(BufferVIDYA, false);
if(InpSourcePrice <= PRICE_HA_CLOSE)
{
g_calculator = new CVIDYACalculator_HA();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("VIDYA HA(%d,%d)", InpPeriodCMO, InpPeriodEMA));
}
else
{
g_calculator = new CVIDYACalculator();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("VIDYA(%d,%d)", InpPeriodCMO, InpPeriodEMA));
}
if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriodCMO, InpPeriodEMA))
{
Print("Failed to create or initialize VIDYA Calculator object.");
return(INIT_FAILED);
}
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriodCMO + InpPeriodEMA);
IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function. |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
if(CheckPointer(g_calculator) != POINTER_INVALID)
delete g_calculator;
}
//+------------------------------------------------------------------+
//| 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&[])
{
if(CheckPointer(g_calculator) == POINTER_INVALID)
return 0;
ENUM_APPLIED_PRICE price_type;
if(InpSourcePrice <= PRICE_HA_CLOSE)
price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
else
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferVIDYA);
return(rates_total);
}
//+------------------------------------------------------------------+