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mql5/Include/MyIncludes/TDI_Calculator.mqh
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2025-12-16 16:26:41 +01:00

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//+------------------------------------------------------------------+
//| TDI_Calculator.mqh |
//| VERSION 2.01: Fixed override signature mismatch. |
//| Copyright 2025, xxxxxxxx |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#include <MyIncludes\HeikinAshi_Tools.mqh>
//+==================================================================+
//| CLASS 1: CTDICalculator (Base Class) |
//+==================================================================+
class CTDICalculator
{
protected:
int m_rsi_period, m_price_period, m_signal_period, m_base_period;
double m_std_dev;
//--- Persistent Buffers
double m_price[];
double m_rsi_buffer[];
virtual bool PreparePriceSeries(int rates_total, int start_index, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]);
public:
CTDICalculator(void) {};
virtual ~CTDICalculator(void) {};
bool Init(int rsi_p, int price_p, int signal_p, int base_p, 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 &price_line_out[], double &signal_line_out[], double &base_line_out[],
double &upper_band_out[], double &lower_band_out[]);
};
//+------------------------------------------------------------------+
//| Init |
//+------------------------------------------------------------------+
bool CTDICalculator::Init(int rsi_p, int price_p, int signal_p, int base_p, double dev)
{
m_rsi_period = (rsi_p < 1) ? 1 : rsi_p;
m_price_period = (price_p < 1) ? 1 : price_p;
m_signal_period = (signal_p < 1) ? 1 : signal_p;
m_base_period = (base_p < 1) ? 1 : base_p;
m_std_dev = (dev <= 0) ? 1.618 : dev;
return true;
}
//+------------------------------------------------------------------+
//| Main Calculation (Optimized) |
//+------------------------------------------------------------------+
void CTDICalculator::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 &price_line_out[], double &signal_line_out[], double &base_line_out[],
double &upper_band_out[], double &lower_band_out[])
{
if(rates_total <= m_rsi_period + m_base_period)
return;
int start_index;
if(prev_calculated == 0)
start_index = 0;
else
start_index = prev_calculated - 1;
if(ArraySize(m_price) != rates_total)
{
ArrayResize(m_price, rates_total);
ArrayResize(m_rsi_buffer, rates_total);
}
if(!PreparePriceSeries(rates_total, start_index, price_type, open, high, low, close))
return;
// RSI Loop
double sum_pos = 0, sum_neg = 0;
for(int i = 1; i < rates_total; i++)
{
double diff = m_price[i] - m_price[i-1];
sum_pos = (sum_pos * (m_rsi_period - 1) + (diff > 0 ? diff : 0)) / m_rsi_period;
sum_neg = (sum_neg * (m_rsi_period - 1) + (diff < 0 ? -diff : 0)) / m_rsi_period;
if(i >= m_rsi_period)
{
if(sum_neg > 0)
m_rsi_buffer[i] = 100.0 - (100.0 / (1.0 + (sum_pos / sum_neg)));
else
m_rsi_buffer[i] = 100.0;
}
else
m_rsi_buffer[i] = 0;
}
// Price Line
int pl_start = m_rsi_period + m_price_period - 2;
int loop_start_pl = MathMax(pl_start, start_index);
for(int i = loop_start_pl; i < rates_total; i++)
{
double sum=0;
for(int j=0; j<m_price_period; j++)
sum+=m_rsi_buffer[i-j];
price_line_out[i]=sum/m_price_period;
}
// Signal Line
int sl_start = pl_start + m_signal_period - 1;
int loop_start_sl = MathMax(sl_start, start_index);
for(int i = loop_start_sl; i < rates_total; i++)
{
double sum=0;
for(int j=0; j<m_signal_period; j++)
sum+=price_line_out[i-j];
signal_line_out[i]=sum/m_signal_period;
}
// Base Line
int bl_start = pl_start + m_base_period - 1;
int loop_start_bl = MathMax(bl_start, start_index);
for(int i = loop_start_bl; i < rates_total; i++)
{
double sum=0;
for(int j=0; j<m_base_period; j++)
sum+=price_line_out[i-j];
base_line_out[i]=sum/m_base_period;
}
// Bands
int bands_start = m_rsi_period + m_base_period - 2;
int loop_start_bands = MathMax(bands_start, start_index);
for(int i = loop_start_bands; i < rates_total; i++)
{
double rsi_ma = 0;
double sum_rsi = 0;
for(int j=0; j<m_base_period; j++)
sum_rsi += m_rsi_buffer[i-j];
rsi_ma = sum_rsi / m_base_period;
double sum_sq = 0;
for(int j = 0; j < m_base_period; j++)
sum_sq += MathPow(m_rsi_buffer[i-j] - rsi_ma, 2);
double std_dev = MathSqrt(sum_sq / m_base_period);
upper_band_out[i] = base_line_out[i] + m_std_dev * std_dev;
lower_band_out[i] = base_line_out[i] - m_std_dev * std_dev;
}
}
//+------------------------------------------------------------------+
//| Prepare Price (Standard) |
//+------------------------------------------------------------------+
bool CTDICalculator::PreparePriceSeries(int rates_total, int start_index, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[])
{
for(int i = start_index; i < rates_total; i++)
{
switch(price_type)
{
case PRICE_CLOSE:
m_price[i] = close[i];
break;
case PRICE_OPEN:
m_price[i] = open[i];
break;
case PRICE_HIGH:
m_price[i] = high[i];
break;
case PRICE_LOW:
m_price[i] = low[i];
break;
case PRICE_MEDIAN:
m_price[i] = (high[i]+low[i])/2.0;
break;
case PRICE_TYPICAL:
m_price[i] = (high[i]+low[i]+close[i])/3.0;
break;
case PRICE_WEIGHTED:
m_price[i] = (high[i]+low[i]+2*close[i])/4.0;
break;
default:
m_price[i] = close[i];
break;
}
}
return true;
}
//+==================================================================+
//| CLASS 2: CTDICalculator_HA (Heikin Ashi) |
//+==================================================================+
class CTDICalculator_HA : public CTDICalculator
{
private:
CHeikinAshi_Calculator m_ha_calculator;
double m_ha_open[], m_ha_high[], m_ha_low[], m_ha_close[];
protected:
// FIX: Added 'price_type' to match base class signature
virtual bool PreparePriceSeries(int rates_total, int start_index, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]) override;
};
//+------------------------------------------------------------------+
//| Prepare Price (Heikin Ashi) |
//+------------------------------------------------------------------+
bool CTDICalculator_HA::PreparePriceSeries(int rates_total, int start_index, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[])
{
if(ArraySize(m_ha_open) != rates_total)
{
ArrayResize(m_ha_open, rates_total);
ArrayResize(m_ha_high, rates_total);
ArrayResize(m_ha_low, rates_total);
ArrayResize(m_ha_close, rates_total);
}
m_ha_calculator.Calculate(rates_total, start_index, open, high, low, close,
m_ha_open, m_ha_high, m_ha_low, m_ha_close);
for(int i = start_index; i < rates_total; i++)
{
switch(price_type)
{
case PRICE_CLOSE:
m_price[i] = m_ha_close[i];
break;
case PRICE_OPEN:
m_price[i] = m_ha_open[i];
break;
case PRICE_HIGH:
m_price[i] = m_ha_high[i];
break;
case PRICE_LOW:
m_price[i] = m_ha_low[i];
break;
case PRICE_MEDIAN:
m_price[i] = (m_ha_high[i]+m_ha_low[i])/2.0;
break;
case PRICE_TYPICAL:
m_price[i] = (m_ha_high[i]+m_ha_low[i]+m_ha_close[i])/3.0;
break;
case PRICE_WEIGHTED:
m_price[i] = (m_ha_high[i]+m_ha_low[i]+2*m_ha_close[i])/4.0;
break;
default:
m_price[i] = m_ha_close[i];
break;
}
}
return true;
}
//+------------------------------------------------------------------+