From f1d3c1bc34c14cdcfd523cd738f76a1e6af73355 Mon Sep 17 00:00:00 2001
From: Toh4iem9 <Toh4iem9@forge.mql5.io>
Date: Mon, 29 Sep 2025 22:41:09 +0200
Subject: [PATCH] new files added

---
 Include/MyIncludes/HMA_Calculator.mqh | 185 ++++++++++++++++++++++++++
 1 file changed, 185 insertions(+)
 create mode 100644 Include/MyIncludes/HMA_Calculator.mqh

diff --git a/Include/MyIncludes/HMA_Calculator.mqh b/Include/MyIncludes/HMA_Calculator.mqh
new file mode 100644
index 0000000..12dda5c
--- /dev/null
+++ b/Include/MyIncludes/HMA_Calculator.mqh
@@ -0,0 +1,185 @@
+//+------------------------------------------------------------------+
+//|                                               HMA_Calculator.mqh |
+//|         Calculation engine for Standard and Heikin Ashi HMA.     |
+//|                                        Copyright 2025, xxxxxxxx  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+
+#include <MyIncludes\HeikinAshi_Tools.mqh>
+
+//+==================================================================+
+//|                                                                  |
+//|             CLASS 1: CHMACalculator (Base Class)                 |
+//|                                                                  |
+//+==================================================================+
+class CHMACalculator
+  {
+protected:
+   int               m_hma_period;
+   double            m_price[];
+
+   //--- Helper function for manual WMA calculation
+   double            CalculateWMA(int period, int index, const double &source_array[]);
+
+   //--- Virtual method for preparing the price series.
+   virtual bool      PreparePriceSeries(int rates_total, const double &open[], const double &high[], const double &low[], const double &close[], ENUM_APPLIED_PRICE price_type);
+
+public:
+                     CHMACalculator(void) {};
+   virtual          ~CHMACalculator(void) {};
+
+   //--- Public methods
+   bool              Init(int period);
+   void              Calculate(int rates_total, const double &open[], const double &high[], const double &low[], const double &close[], ENUM_APPLIED_PRICE price_type, double &hma_buffer[]);
+  };
+
+//+------------------------------------------------------------------+
+//| CHMACalculator: Initialization                                   |
+//+------------------------------------------------------------------+
+bool CHMACalculator::Init(int period)
+  {
+   m_hma_period = (period < 1) ? 1 : period;
+   return true;
+  }
+
+//+------------------------------------------------------------------+
+//| CHMACalculator: Main Calculation Method (Shared Logic)           |
+//+------------------------------------------------------------------+
+void CHMACalculator::Calculate(int rates_total, const double &open[], const double &high[], const double &low[], const double &close[], ENUM_APPLIED_PRICE price_type, double &hma_buffer[])
+  {
+   int period_sqrt = (int)MathMax(1, MathRound(MathSqrt(m_hma_period)));
+   int start_pos = m_hma_period + period_sqrt - 2;
+   if(rates_total <= start_pos)
+      return;
+
+   if(!PreparePriceSeries(rates_total, open, high, low, close, price_type))
+      return;
+
+   double wma_half[], wma_full[], raw_hma[];
+   ArrayResize(wma_half, rates_total);
+   ArrayResize(wma_full, rates_total);
+   ArrayResize(raw_hma, rates_total);
+
+   int period_half = (int)MathMax(1, MathRound(m_hma_period / 2.0));
+
+   for(int i = m_hma_period - 1; i < rates_total; i++)
+     {
+      wma_half[i] = CalculateWMA(period_half, i, m_price);
+      wma_full[i] = CalculateWMA(m_hma_period, i, m_price);
+      raw_hma[i] = 2 * wma_half[i] - wma_full[i];
+     }
+
+   for(int i = start_pos; i < rates_total; i++)
+     {
+      hma_buffer[i] = CalculateWMA(period_sqrt, i, raw_hma);
+     }
+  }
+
+//+------------------------------------------------------------------+
+//| CHMACalculator: Helper for manual WMA calculation                |
+//+------------------------------------------------------------------+
+double CHMACalculator::CalculateWMA(int period, int index, const double &source_array[])
+  {
+   double lwma_sum = 0, weight_sum = 0;
+   for(int j=0; j<period; j++)
+     {
+      int weight = period - j;
+      lwma_sum += source_array[index-j] * weight;
+      weight_sum += weight;
+     }
+   return (weight_sum > 0) ? lwma_sum / weight_sum : 0.0;
+  }
+
+//+------------------------------------------------------------------+
+//| CHMACalculator: Prepares the standard source price series.       |
+//+------------------------------------------------------------------+
+bool CHMACalculator::PreparePriceSeries(int rates_total, const double &open[], const double &high[], const double &low[], const double &close[], ENUM_APPLIED_PRICE price_type)
+  {
+   ArrayResize(m_price, rates_total);
+   switch(price_type)
+     {
+      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]+2*close[i])/4.0;
+         break;
+      default:
+         ArrayCopy(m_price, close, 0, 0, rates_total);
+         break;
+     }
+   return true;
+  }
+
+//+==================================================================+
+//|                                                                  |
+//|           CLASS 2: CHMACalculator_HA (Heikin Ashi)               |
+//|                                                                  |
+//+==================================================================+
+class CHMACalculator_HA : public CHMACalculator
+  {
+private:
+   CHeikinAshi_Calculator m_ha_calculator;
+protected:
+   virtual bool      PreparePriceSeries(int rates_total, const double &open[], const double &high[], const double &low[], const double &close[], ENUM_APPLIED_PRICE price_type) override;
+  };
+
+//+------------------------------------------------------------------+
+//| CHMACalculator_HA: Prepares the Heikin Ashi source price.        |
+//+------------------------------------------------------------------+
+bool CHMACalculator_HA::PreparePriceSeries(int rates_total, const double &open[], const double &high[], const double &low[], const double &close[], ENUM_APPLIED_PRICE price_type)
+  {
+   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);
+
+   ArrayResize(m_price, rates_total);
+   switch(price_type)
+     {
+      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]+2*ha_close[i])/4.0;
+         break;
+      default:
+         ArrayCopy(m_price, ha_close, 0, 0, rates_total);
+         break;
+     }
+   return true;
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+