new files added

2026-07-27 20:47:44 +00:00 · 2025-08-24 12:00:23 +02:00
parent 1588d41f10
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+//+------------------------------------------------------------------+
+//|                                              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 <MyIncludes\HeikinAshi_Tools.mqh>
+
+//--- 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<g_ExtPeriodEMA; j++)
+           {
+            sum += ha_price_source[i-j];
+           }
+         BufferHA_VIDYA[i] = sum / g_ExtPeriodEMA;
+         continue;
+        }
+
+      if(i > 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);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+