From 9ffc820b90df70f6fbd329d6848f530f5fc32d47 Mon Sep 17 00:00:00 2001
From: Toh4iem9 <Toh4iem9@forge.mql5.io>
Date: Wed, 24 Sep 2025 09:14:01 +0200
Subject: [PATCH] new files added

---
 .../Bollinger_Bands_Fibonacci_Calculator.mqh  | 228 ++++++++++++++++++
 1 file changed, 228 insertions(+)
 create mode 100644 Include/MyIncludes/Bollinger_Bands_Fibonacci_Calculator.mqh

diff --git a/Include/MyIncludes/Bollinger_Bands_Fibonacci_Calculator.mqh b/Include/MyIncludes/Bollinger_Bands_Fibonacci_Calculator.mqh
new file mode 100644
index 0000000..9dd5bbc
--- /dev/null
+++ b/Include/MyIncludes/Bollinger_Bands_Fibonacci_Calculator.mqh
@@ -0,0 +1,228 @@
+//+------------------------------------------------------------------+
+//|                         Bollinger_Bands_Fibonacci_Calculator.mqh |
+//|   Calculation engine for Standard and HA Bollinger Bands with    |
+//|   Fibonacci Ratio deviations.          Copyright 2025, xxxxxxxx  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+
+#include <MyIncludes\HeikinAshi_Tools.mqh>
+
+//+==================================================================+
+//|                                                                  |
+//|      CLASS 1: CBollingerBandsFibonacciCalculator (Standard)      |
+//|                                                                  |
+//+==================================================================+
+class CBollingerBandsFibonacciCalculator
+  {
+protected:
+   int               m_period;
+   double            m_fib_ratio1, m_fib_ratio2, m_fib_ratio3;
+   ENUM_MA_METHOD    m_ma_method;
+
+   double            m_price[];
+   double            m_ma_buffer[];
+
+   virtual bool      PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]);
+
+public:
+                     CBollingerBandsFibonacciCalculator(void) {};
+   virtual          ~CBollingerBandsFibonacciCalculator(void) {};
+
+   bool              Init(int period, double r1, double r2, double r3, ENUM_MA_METHOD ma_method);
+   void              Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[],
+                               double &ma_out[], double &upper1_out[], double &lower1_out[], double &upper2_out[], double &lower2_out[], double &upper3_out[], double &lower3_out[]);
+  };
+
+//+------------------------------------------------------------------+
+//| CBollingerBandsFibonacciCalculator: Initialization               |
+//+------------------------------------------------------------------+
+bool CBollingerBandsFibonacciCalculator::Init(int period, double r1, double r2, double r3, ENUM_MA_METHOD ma_method)
+  {
+   m_period = (period < 1) ? 1 : period;
+   m_fib_ratio1 = r1;
+   m_fib_ratio2 = r2;
+   m_fib_ratio3 = r3;
+   m_ma_method = ma_method;
+   return true;
+  }
+
+//+------------------------------------------------------------------+
+//| CBollingerBandsFibonacciCalculator: Main Calculation Method      |
+//+------------------------------------------------------------------+
+void CBollingerBandsFibonacciCalculator::Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[],
+      double &ma_out[], double &upper1_out[], double &lower1_out[], double &upper2_out[], double &lower2_out[], double &upper3_out[], double &lower3_out[])
+  {
+   if(rates_total < m_period)
+      return;
+
+   ArrayResize(m_price, rates_total);
+   ArrayResize(m_ma_buffer, rates_total);
+
+   if(!PreparePriceSeries(rates_total, price_type, open, high, low, close))
+      return;
+
+//--- Step 1: Calculate the centerline (Moving Average)
+   int ma_start_pos = m_period - 1;
+   for(int i = ma_start_pos; i < rates_total; i++)
+     {
+      switch(m_ma_method)
+        {
+         case MODE_EMA:
+         case MODE_SMMA:
+            if(i == ma_start_pos)
+              {
+               double sum=0;
+               for(int j=0; j<m_period; j++)
+                  sum+=m_price[i-j];
+               m_ma_buffer[i]=sum/m_period;
+              }
+            else
+              {
+               if(m_ma_method==MODE_EMA)
+                 {
+                  double pr=2.0/(m_period+1.0);
+                  m_ma_buffer[i]=m_price[i]*pr + m_ma_buffer[i-1]*(1.0-pr);
+                 }
+               else
+                  m_ma_buffer[i]=(m_ma_buffer[i-1]*(m_period-1)+m_price[i])/m_period;
+              }
+            break;
+         case MODE_LWMA:
+           {
+            double lwma_sum=0, weight_sum=0;
+            for(int j=0; j<m_period; j++)
+              {
+               int w=m_period-j;
+               lwma_sum+=m_price[i-j]*w;
+               weight_sum+=w;
+              }
+            if(weight_sum>0)
+               m_ma_buffer[i]=lwma_sum/weight_sum;
+           }
+         break;
+         default:   // MODE_SMA
+           {
+            double sum=0;
+            for(int j=0; j<m_period; j++)
+               sum+=m_price[i-j];
+            m_ma_buffer[i]=sum/m_period;
+           }
+         break;
+        }
+     }
+
+//--- Step 2: Calculate the Standard Deviation and the Bands
+   for(int i = ma_start_pos; i < rates_total; i++)
+     {
+      double std_dev_val = 0, sum_sq = 0;
+      for(int j = 0; j < m_period; j++)
+         sum_sq += pow(m_price[i-j] - m_ma_buffer[i], 2);
+      std_dev_val = sqrt(sum_sq / m_period);
+
+      upper1_out[i] = m_ma_buffer[i] + m_fib_ratio1 * std_dev_val;
+      lower1_out[i] = m_ma_buffer[i] - m_fib_ratio1 * std_dev_val;
+      upper2_out[i] = m_ma_buffer[i] + m_fib_ratio2 * std_dev_val;
+      lower2_out[i] = m_ma_buffer[i] - m_fib_ratio2 * std_dev_val;
+      upper3_out[i] = m_ma_buffer[i] + m_fib_ratio3 * std_dev_val;
+      lower3_out[i] = m_ma_buffer[i] - m_fib_ratio3 * std_dev_val;
+     }
+
+   ArrayCopy(ma_out, m_ma_buffer, 0, 0, rates_total);
+  }
+
+//+------------------------------------------------------------------+
+//| CBollingerBandsFibonacciCalculator: Prepares the source price.   |
+//+------------------------------------------------------------------+
+bool CBollingerBandsFibonacciCalculator::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;
+  }
+
+//+==================================================================+
+//|                                                                  |
+//|      CLASS 2: CBollingerBandsFibonacciCalculator_HA (HA)         |
+//|                                                                  |
+//+==================================================================+
+class CBollingerBandsFibonacciCalculator_HA : public CBollingerBandsFibonacciCalculator
+  {
+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[]);
+  };
+
+//+------------------------------------------------------------------+
+//| CBollingerBandsFibonacciCalculator_HA: Prepares the source price.|
+//+------------------------------------------------------------------+
+bool CBollingerBandsFibonacciCalculator_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);
+
+   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;
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+