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mql5/Include/MyIncludes/RSI_Pro_Calculator.mqh

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//+------------------------------------------------------------------+
//| RSI_Pro_Calculator.mqh |
//| VERSION 4.00: Refactored to use RSI_Engine. |
//| Copyright 2025, xxxxxxxx |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#include <MyIncludes\RSI_Engine.mqh>
#include <MyIncludes\MovingAverage_Engine.mqh>
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
class CRSIProCalculator
{
protected:
CRSIEngine *m_rsi_engine;
CMovingAverageCalculator m_ma_engine;
int m_rsi_period, m_ma_period;
double m_deviation;
//--- Internal Buffers
double m_rsi_buffer[];
double m_ma_buffer[];
virtual void CreateEngine(void);
public:
CRSIProCalculator(void);
virtual ~CRSIProCalculator(void);
bool Init(int rsi_p, int ma_p, ENUM_MA_TYPE ma_m, double dev);
void Calculate(int rates_total, int prev_calculated, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[],
double &rsi_out[], double &ma_out[], double &upper_out[], double &lower_out[]);
};
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
CRSIProCalculator::CRSIProCalculator(void) { m_rsi_engine = NULL; }
CRSIProCalculator::~CRSIProCalculator(void) { if(CheckPointer(m_rsi_engine) != POINTER_INVALID) delete m_rsi_engine; }
void CRSIProCalculator::CreateEngine(void) { m_rsi_engine = new CRSIEngine(); }
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
bool CRSIProCalculator::Init(int rsi_p, int ma_p, ENUM_MA_TYPE ma_m, double dev)
{
m_rsi_period = rsi_p;
m_ma_period = ma_p;
m_deviation = dev;
CreateEngine();
if(!m_rsi_engine.Init(m_rsi_period))
return false;
if(!m_ma_engine.Init(m_ma_period, ma_m))
return false;
return true;
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
void CRSIProCalculator::Calculate(int rates_total, int prev_calculated, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[],
double &rsi_out[], double &ma_out[], double &upper_out[], double &lower_out[])
{
if(rates_total <= m_rsi_period)
return;
if(ArraySize(m_rsi_buffer) != rates_total)
{
ArrayResize(m_rsi_buffer, rates_total);
ArrayResize(m_ma_buffer, rates_total);
}
// 1. Calculate RSI
m_rsi_engine.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, m_rsi_buffer);
// 2. Calculate MA
m_ma_engine.CalculateOnArray(rates_total, prev_calculated, m_rsi_buffer, m_ma_buffer, m_rsi_period);
// 3. Calculate Bands
int start_index = (prev_calculated > 0) ? prev_calculated - 1 : 0;
int loop_start = MathMax(m_rsi_period + m_ma_period - 1, start_index);
for(int i = loop_start; i < rates_total; i++)
{
double sum_sq = 0;
for(int j = 0; j < m_ma_period; j++)
sum_sq += pow(m_rsi_buffer[i-j] - m_ma_buffer[i], 2);
double std_dev = sqrt(sum_sq / m_ma_period);
rsi_out[i] = m_rsi_buffer[i];
ma_out[i] = m_ma_buffer[i];
upper_out[i] = m_ma_buffer[i] + m_deviation * std_dev;
lower_out[i] = m_ma_buffer[i] - m_deviation * std_dev;
}
}
//--- HA Subclass
class CRSIProCalculator_HA : public CRSIProCalculator
{
protected:
virtual void CreateEngine(void) override { m_rsi_engine = new CRSIEngine_HA(); }
};
//+------------------------------------------------------------------+