new files added

2026-07-28 04:57:44 +00:00 · 2025-10-01 18:47:04 +02:00
parent d11f9f958e
commit 1f08da9d5e
1 changed files with 131 additions and 0 deletions
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+//+------------------------------------------------------------------+
+//|                                 VIDYA_TrendActivity_Calculator.mqh|
+//| Calculation engine for Standard and Heikin Ashi VIDYA Activity.  |
+//|                                        Copyright 2025, xxxxxxxx  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+
+#include <MyIncludes\VIDYA_Calculator.mqh>
+#include <MyIncludes\ATR_Calculator.mqh> // CORRECTED: Include the ATR calculator to get the enum and class
+
+//+==================================================================+
+//|                                                                  |
+//|         CLASS 1: CVIDYATrendActivityCalculator (Base Class)      |
+//|                                                                  |
+//+==================================================================+
+class CVIDYATrendActivityCalculator
+  {
+protected:
+   int               m_smoothing_period;
+   double            m_pi_div_2;
+   CVIDYACalculator  *m_vidya_calculator;
+   CATRCalculator    *m_atr_calculator;
+
+public:
+                     CVIDYATrendActivityCalculator(void);
+   virtual          ~CVIDYATrendActivityCalculator(void);
+
+   bool              Init(int cmo_p, int ema_p, int atr_p, ENUM_ATR_SOURCE atr_src, int smooth_p);
+   void              Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &activity_buffer[]);
+  };
+
+//+------------------------------------------------------------------+
+//| CVIDYATrendActivityCalculator: Constructor                       |
+//+------------------------------------------------------------------+
+CVIDYATrendActivityCalculator::CVIDYATrendActivityCalculator(void)
+  {
+   m_vidya_calculator = new CVIDYACalculator();
+   m_atr_calculator = NULL; // Will be created in Init
+  }
+
+//+------------------------------------------------------------------+
+//| CVIDYATrendActivityCalculator: Destructor                        |
+//+------------------------------------------------------------------+
+CVIDYATrendActivityCalculator::~CVIDYATrendActivityCalculator(void)
+  {
+   if(CheckPointer(m_vidya_calculator) != POINTER_INVALID)
+      delete m_vidya_calculator;
+   if(CheckPointer(m_atr_calculator) != POINTER_INVALID)
+      delete m_atr_calculator;
+  }
+
+//+------------------------------------------------------------------+
+//| CVIDYATrendActivityCalculator: Initialization                    |
+//+------------------------------------------------------------------+
+bool CVIDYATrendActivityCalculator::Init(int cmo_p, int ema_p, int atr_p, ENUM_ATR_SOURCE atr_src, int smooth_p)
+  {
+   m_smoothing_period = (smooth_p < 1) ? 1 : smooth_p;
+   m_pi_div_2 = M_PI / 2.0;
+
+   if(CheckPointer(m_atr_calculator) != POINTER_INVALID)
+      delete m_atr_calculator;
+
+   if(atr_src == ATR_SOURCE_HEIKIN_ASHI)
+      m_atr_calculator = new CATRCalculator_HA();
+   else
+      m_atr_calculator = new CATRCalculator();
+
+   if(CheckPointer(m_vidya_calculator) == POINTER_INVALID || CheckPointer(m_atr_calculator) == POINTER_INVALID)
+      return false;
+
+   return(m_vidya_calculator.Init(cmo_p, ema_p) && m_atr_calculator.Init(atr_p));
+  }
+
+//+------------------------------------------------------------------+
+//| CVIDYATrendActivityCalculator: Main Calculation Method           |
+//+------------------------------------------------------------------+
+void CVIDYATrendActivityCalculator::Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &activity_buffer[])
+  {
+   if(CheckPointer(m_vidya_calculator) == POINTER_INVALID || CheckPointer(m_atr_calculator) == POINTER_INVALID)
+      return;
+
+   double vidya_buffer[], atr_buffer[];
+   ArrayResize(vidya_buffer, rates_total);
+   ArrayResize(atr_buffer, rates_total);
+
+   m_vidya_calculator.Calculate(rates_total, price_type, open, high, low, close, vidya_buffer);
+   m_atr_calculator.Calculate(rates_total, open, high, low, close, atr_buffer);
+
+   double scaled_activity[];
+   ArrayResize(scaled_activity, rates_total);
+   for(int i = 1; i < rates_total; i++)
+     {
+      if(atr_buffer[i] > 0)
+        {
+         double raw_activity = MathAbs(vidya_buffer[i] - vidya_buffer[i-1]) / atr_buffer[i];
+         scaled_activity[i] = MathArctan(raw_activity) / m_pi_div_2;
+        }
+     }
+
+   for(int i = m_smoothing_period - 1; i < rates_total; i++)
+     {
+      double sum = 0;
+      for(int j=0; j<m_smoothing_period; j++)
+         sum += scaled_activity[i-j];
+      if(m_smoothing_period > 0)
+         activity_buffer[i] = sum / m_smoothing_period;
+     }
+  }
+
+//+==================================================================+
+//|                                                                  |
+//|       CLASS 2: CVIDYATrendActivityCalculator_HA (Heikin Ashi)    |
+//|                                                                  |
+//+==================================================================+
+class CVIDYATrendActivityCalculator_HA : public CVIDYATrendActivityCalculator
+  {
+public:
+                     CVIDYATrendActivityCalculator_HA(void);
+  };
+
+//+------------------------------------------------------------------+
+//| CVIDYATrendActivityCalculator_HA: Constructor                    |
+//+------------------------------------------------------------------+
+CVIDYATrendActivityCalculator_HA::CVIDYATrendActivityCalculator_HA(void)
+  {
+   if(CheckPointer(m_vidya_calculator) != POINTER_INVALID)
+      delete m_vidya_calculator;
+   m_vidya_calculator = new CVIDYACalculator_HA();
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+