From befe2313edd95d3e9a687977601439cc7d3d1b06 Mon Sep 17 00:00:00 2001
From: Toh4iem9 <Toh4iem9@forge.mql5.io>
Date: Mon, 10 Nov 2025 16:14:54 +0100
Subject: [PATCH] new files added

---
 Include/MyIncludes/MovingAverage_Engine.mqh | 202 ++++++++++++++++++++
 1 file changed, 202 insertions(+)
 create mode 100644 Include/MyIncludes/MovingAverage_Engine.mqh

diff --git a/Include/MyIncludes/MovingAverage_Engine.mqh b/Include/MyIncludes/MovingAverage_Engine.mqh
new file mode 100644
index 0000000..ef074f4
--- /dev/null
+++ b/Include/MyIncludes/MovingAverage_Engine.mqh
@@ -0,0 +1,202 @@
+//+------------------------------------------------------------------+
+//|                                         MovingAverage_Engine.mqh |
+//|      Universal engine for standard moving averages (SMA, EMA...).|
+//|                                        Copyright 2025, xxxxxxxx  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+
+#include <MyIncludes\HeikinAshi_Tools.mqh>
+
+//--- Enum to select the MA type for calculation ---
+enum ENUM_MA_TYPE
+  {
+   SMA,
+   EMA,
+   SMMA,
+   LWMA
+  };
+
+//+==================================================================+
+class CMovingAverageCalculator
+  {
+protected:
+   int               m_period;
+   ENUM_MA_TYPE      m_ma_type;
+   double            m_price[];
+
+   virtual bool      PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]);
+
+public:
+                     CMovingAverageCalculator(void) {};
+   virtual          ~CMovingAverageCalculator(void) {};
+
+   bool              Init(int period, ENUM_MA_TYPE ma_type);
+   void              Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &ma_buffer[]);
+  };
+
+//--- Derived class for Heikin Ashi version ---
+class CMovingAverageCalculator_HA : public CMovingAverageCalculator
+  {
+private:
+   CHeikinAshi_Calculator m_ha_calculator;
+protected:
+   virtual bool      PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]) override;
+  };
+
+//+==================================================================+
+//|                 METHOD IMPLEMENTATIONS                           |
+//+==================================================================+
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+bool CMovingAverageCalculator::Init(int period, ENUM_MA_TYPE ma_type)
+  {
+   m_period = (period < 1) ? 1 : period;
+   m_ma_type = ma_type;
+   return true;
+  }
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+void CMovingAverageCalculator::Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &ma_buffer[])
+  {
+   if(rates_total < m_period)
+      return;
+   if(!PreparePriceSeries(rates_total, price_type, open, high, low, close))
+      return;
+
+   int start_pos = m_period - 1;
+   for(int i = start_pos; i < rates_total; i++)
+     {
+      switch(m_ma_type)
+        {
+         case EMA:
+         case SMMA:
+            if(i == start_pos)
+              {
+               double sum=0;
+               for(int j=0; j<m_period; j++)
+                  sum+=m_price[i-j];
+               ma_buffer[i]=sum/m_period;
+              }
+            else
+              {
+               if(m_ma_type==EMA)
+                 {
+                  double pr=2.0/(m_period+1.0);
+                  ma_buffer[i]=m_price[i]*pr+ma_buffer[i-1]*(1.0-pr);
+                 }
+               else
+                  ma_buffer[i]=(ma_buffer[i-1]*(m_period-1)+m_price[i])/m_period;
+              }
+            break;
+         case LWMA:
+           {
+            double sum=0, w_sum=0;
+            for(int j=0; j<m_period; j++)
+              {
+               int w=m_period-j;
+               sum+=m_price[i-j]*w;
+               w_sum+=w;
+              }
+            if(w_sum>0)
+               ma_buffer[i]=sum/w_sum;
+           }
+         break;
+         default: // SMA
+           {
+            double sum=0;
+            for(int j=0; j<m_period; j++)
+               sum+=m_price[i-j];
+            ma_buffer[i]=sum/m_period;
+           }
+         break;
+        }
+     }
+  }
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+bool CMovingAverageCalculator::PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[])
+  {
+   switch(price_type)
+     {
+      case PRICE_CLOSE:
+         ArrayCopy(m_price, close, 0, 0, rates_total);
+         break;
+      case PRICE_OPEN:
+         ArrayCopy(m_price, open, 0, 0, rates_total);
+         break;
+      case PRICE_HIGH:
+         ArrayCopy(m_price, high, 0, 0, rates_total);
+         break;
+      case PRICE_LOW:
+         ArrayCopy(m_price, low, 0, 0, rates_total);
+         break;
+      case PRICE_MEDIAN:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (high[i]+low[i])/2.0;
+         break;
+      case PRICE_TYPICAL:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (high[i]+low[i]+close[i])/3.0;
+         break;
+      case PRICE_WEIGHTED:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (high[i]+low[i]+close[i]+close[i])/4.0;
+         break;
+      default:
+         return false;
+     }
+   return true;
+  }
+
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+bool CMovingAverageCalculator_HA::PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[])
+  {
+   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);
+   m_ha_calculator.Calculate(rates_total, open, high, low, close, ha_open, ha_high, ha_low, ha_close);
+
+//--- Corrected: The HA version now uses the selected price type from the HA candles
+   switch(price_type)
+     {
+      case PRICE_CLOSE:
+         ArrayCopy(m_price, ha_close, 0, 0, rates_total);
+         break;
+      case PRICE_OPEN:
+         ArrayCopy(m_price, ha_open, 0, 0, rates_total);
+         break;
+      case PRICE_HIGH:
+         ArrayCopy(m_price, ha_high, 0, 0, rates_total);
+         break;
+      case PRICE_LOW:
+         ArrayCopy(m_price, ha_low, 0, 0, rates_total);
+         break;
+      case PRICE_MEDIAN:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (ha_high[i]+ha_low[i])/2.0;
+         break;
+      case PRICE_TYPICAL:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (ha_high[i]+ha_low[i]+ha_close[i])/3.0;
+         break;
+      case PRICE_WEIGHTED:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (ha_high[i]+ha_low[i]+ha_close[i]+ha_close[i])/4.0;
+         break;
+      default:
+         return false;
+     }
+   return true;
+  }
+//+------------------------------------------------------------------+