From 596e7b6a5e1bdfe8dc711bce895454620479e026 Mon Sep 17 00:00:00 2001 From: Toh4iem9 Date: Sun, 24 Aug 2025 12:00:23 +0200 Subject: [PATCH] new files added --- Indicators/MyIndicators/VIDYA_HeikinAshi.mq5 | 187 +++++++++++++++++++ 1 file changed, 187 insertions(+) create mode 100644 Indicators/MyIndicators/VIDYA_HeikinAshi.mq5 diff --git a/Indicators/MyIndicators/VIDYA_HeikinAshi.mq5 b/Indicators/MyIndicators/VIDYA_HeikinAshi.mq5 new file mode 100644 index 0000000..2b26aeb --- /dev/null +++ b/Indicators/MyIndicators/VIDYA_HeikinAshi.mq5 @@ -0,0 +1,187 @@ +//+------------------------------------------------------------------+ +//| VIDYA_HeikinAshi.mq5| +//| Copyright 2025, xxxxxxxx | +//| | +//+------------------------------------------------------------------+ +#property copyright "Copyright 2025, xxxxxxxx" +#property link "" +#property version "1.00" +#property description "Variable Index Dynamic Average on Heikin Ashi data" + +#include + +//--- 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 "HA_VIDYA" + +//--- Enum for selecting Heikin Ashi price source --- +enum ENUM_HA_APPLIED_PRICE + { + HA_PRICE_CLOSE, // Heikin Ashi Close + HA_PRICE_OPEN, // Heikin Ashi Open + HA_PRICE_HIGH, // Heikin Ashi High + HA_PRICE_LOW, // Heikin Ashi Low + }; + +//--- Input Parameters --- +input int InpPeriodCMO = 9; // Chande Momentum Oscillator Period +input int InpPeriodEMA = 12; // EMA Period for smoothing +input ENUM_HA_APPLIED_PRICE InpAppliedPrice = HA_PRICE_CLOSE; // Heikin Ashi Applied Price + +//--- Indicator Buffers --- +double BufferHA_VIDYA[]; + +//--- Global Objects and Variables --- +int g_ExtPeriodCMO; +int g_ExtPeriodEMA; +CHeikinAshi_Calculator *g_ha_calculator; + +//--- Forward declarations --- +double CalculateCMO(int position, int period, const double &price_array[]); + +//+------------------------------------------------------------------+ +//| Custom indicator initialization function. | +//+------------------------------------------------------------------+ +int OnInit() + { + g_ExtPeriodCMO = (InpPeriodCMO < 1) ? 1 : InpPeriodCMO; + g_ExtPeriodEMA = (InpPeriodEMA < 1) ? 1 : InpPeriodEMA; + + SetIndexBuffer(0, BufferHA_VIDYA, INDICATOR_DATA); + ArraySetAsSeries(BufferHA_VIDYA, false); + + int draw_begin = g_ExtPeriodCMO + g_ExtPeriodEMA; + PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, draw_begin); + IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("HA_VIDYA(%d,%d)", g_ExtPeriodCMO, g_ExtPeriodEMA)); + IndicatorSetInteger(INDICATOR_DIGITS, _Digits); + + g_ha_calculator = new CHeikinAshi_Calculator(); + if(CheckPointer(g_ha_calculator) == POINTER_INVALID) + { + Print("Error creating CHeikinAshi_Calculator object"); + return(INIT_FAILED); + } + + return(INIT_SUCCEEDED); + } + +//+------------------------------------------------------------------+ +//| Custom indicator deinitialization function. | +//+------------------------------------------------------------------+ +void OnDeinit(const int reason) + { + if(CheckPointer(g_ha_calculator) != POINTER_INVALID) + { + delete g_ha_calculator; + g_ha_calculator = NULL; + } + } + +//+------------------------------------------------------------------+ +//| VIDYA on Heikin Ashi 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 start_pos = g_ExtPeriodCMO + g_ExtPeriodEMA; + if(rates_total <= start_pos) + return(0); + +//--- Intermediate Heikin Ashi Buffers + double ha_open[], ha_high[], ha_low[], ha_close[]; + ArrayResize(ha_open, rates_total); + ArrayResize(ha_high, rates_total); + ArrayResize(ha_low, rates_total); + ArrayResize(ha_close, rates_total); + +//--- STEP 1: Calculate Heikin Ashi bars + g_ha_calculator.Calculate(rates_total, open, high, low, close, ha_open, ha_high, ha_low, ha_close); + +//--- STEP 2: Prepare the Heikin Ashi source price array + double ha_price_source[]; + ArrayResize(ha_price_source, rates_total); + switch(InpAppliedPrice) + { + case HA_PRICE_OPEN: + ArrayCopy(ha_price_source, ha_open); + break; + case HA_PRICE_HIGH: + ArrayCopy(ha_price_source, ha_high); + break; + case HA_PRICE_LOW: + ArrayCopy(ha_price_source, ha_low); + break; + default: + ArrayCopy(ha_price_source, ha_close); + break; + } + +//--- STEP 3: Main calculation loop + double alpha = 2.0 / (g_ExtPeriodEMA + 1.0); + + for(int i = 1; i < rates_total; i++) + { + // --- Initialization Step with SMA --- + if(i == start_pos) + { + double sum = 0; + for(int j=0; j start_pos) + { + // --- Recursive Calculation Step --- + double cmo = MathAbs(CalculateCMO(i, g_ExtPeriodCMO, ha_price_source)); + BufferHA_VIDYA[i] = ha_price_source[i] * alpha * cmo + BufferHA_VIDYA[i-1] * (1 - alpha * cmo); + } + } + + return(rates_total); + } + +//+------------------------------------------------------------------+ +//| Calculates Chande Momentum Oscillator (CMO) for a given position | +//+------------------------------------------------------------------+ +double CalculateCMO(int position, int period, const double &price_array[]) + { + if(position < period) + return 0.0; + + double sum_up = 0.0; + double sum_down = 0.0; + + for(int i = 0; i < period; i++) + { + double diff = price_array[position - i] - price_array[position - i - 1]; + if(diff > 0.0) + sum_up += diff; + else + sum_down += (-diff); + } + + if(sum_up + sum_down == 0.0) + return 0.0; + + return (sum_up - sum_down) / (sum_up + sum_down); + } +//+------------------------------------------------------------------+ +//+------------------------------------------------------------------+