new files added

2026-07-27 20:47:44 +00:00 · 2025-11-23 18:51:15 +01:00
parent e68817fb33
commit 49d6873b1b
1 changed files with 97 additions and 0 deletions
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+//+------------------------------------------------------------------+
+//|                                        CenteredMA_Calculator.mqh |
+//|      Engine for calculating a Centered Moving Average (CMA).     |
+//|                                        Copyright 2025, xxxxxxxx  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+
+#include <MyIncludes\MovingAverage_Engine.mqh>
+
+//+==================================================================+
+class CCenteredMACalculator
+  {
+protected:
+   int               m_period;
+   CMovingAverageCalculator *m_ma_calc;
+
+public:
+                     CCenteredMACalculator(void);
+   virtual          ~CCenteredMACalculator(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 &cma_buffer[]);
+  };
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+class CCenteredMACalculator_HA : public CCenteredMACalculator
+  {
+public:
+                     CCenteredMACalculator_HA(void);
+  };
+
+//+==================================================================+
+//|                 METHOD IMPLEMENTATIONS                           |
+//+==================================================================+
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+CCenteredMACalculator::CCenteredMACalculator(void) { m_ma_calc = new CMovingAverageCalculator(); }
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+CCenteredMACalculator::~CCenteredMACalculator(void) { if(CheckPointer(m_ma_calc) != POINTER_INVALID) delete m_ma_calc; }
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+CCenteredMACalculator_HA::CCenteredMACalculator_HA(void)
+  {
+   if(CheckPointer(m_ma_calc) != POINTER_INVALID)
+      delete m_ma_calc;
+   m_ma_calc = new CMovingAverageCalculator_HA();
+  }
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+bool CCenteredMACalculator::Init(int period, ENUM_MA_TYPE ma_type)
+  {
+   m_period = period;
+   if(CheckPointer(m_ma_calc) == POINTER_INVALID)
+      return false;
+   return m_ma_calc.Init(period, ma_type);
+  }
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+void CCenteredMACalculator::Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[],
+                                      double &cma_buffer[])
+  {
+   if(rates_total < m_period)
+      return;
+   if(CheckPointer(m_ma_calc) == POINTER_INVALID)
+      return;
+
+//--- Step 1: Calculate the standard, lagging MA into an internal buffer ---
+   double ma_buffer[];
+   ArrayResize(ma_buffer, rates_total);
+   m_ma_calc.Calculate(rates_total, price_type, open, high, low, close, ma_buffer);
+
+//--- Step 2: Shift the MA backwards in time to center it ---
+   int shift = (m_period - 1) / 2;
+
+   for(int i = 0; i < rates_total; i++)
+     {
+      int source_index = i + shift;
+      if(source_index < rates_total)
+         cma_buffer[i] = ma_buffer[source_index];
+      else
+         cma_buffer[i] = EMPTY_VALUE; // No data available for the future part
+     }
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+