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Toh4iem9
113 lines
4.5 KiB
Plaintext
113 lines
4.5 KiB
Plaintext
//+------------------------------------------------------------------+
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//| CCI_Oscillator_Calculator.mqh|
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//| Wrapper for the CCI Calculator to produce Oscillator output. |
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//| Copyright 2025, xxxxxxxx |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025, xxxxxxxx"
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#include <MyIncludes\CCI_Calculator.mqh>
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//+==================================================================+
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//| CLASS: CCCI_OscillatorCalculator |
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//+==================================================================+
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class CCCI_OscillatorCalculator
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{
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protected:
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//--- Composition: Use the main CCI Calculator
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CCCI_Calculator *m_cci_engine;
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//--- Persistent Buffers for Incremental Calculation
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double m_cci_buffer[];
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double m_signal_buffer[];
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double m_upper_dummy[]; // Not used for oscillator
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double m_lower_dummy[]; // Not used for oscillator
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int m_cci_period;
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int m_ma_period;
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public:
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CCCI_OscillatorCalculator(void);
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virtual ~CCCI_OscillatorCalculator(void);
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//--- Init now takes ENUM_MA_TYPE and HA flag
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bool Init(int cci_p, int ma_p, ENUM_MA_TYPE ma_m, bool use_ha);
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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[],
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double &osc_buffer[]);
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CCCI_OscillatorCalculator::CCCI_OscillatorCalculator(void) : m_cci_engine(NULL)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CCCI_OscillatorCalculator::~CCCI_OscillatorCalculator(void)
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{
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if(CheckPointer(m_cci_engine) != POINTER_INVALID)
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delete m_cci_engine;
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}
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//+------------------------------------------------------------------+
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//| Init |
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//+------------------------------------------------------------------+
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bool CCCI_OscillatorCalculator::Init(int cci_p, int ma_p, ENUM_MA_TYPE ma_m, bool use_ha)
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{
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m_cci_period = cci_p;
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m_ma_period = ma_p;
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// Instantiate correct engine
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if(use_ha)
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m_cci_engine = new CCCI_Calculator_HA();
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else
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m_cci_engine = new CCCI_Calculator();
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// Initialize engine (Bands params are dummy as we don't use them)
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return m_cci_engine.Init(cci_p, ma_p, ma_m, 14, 2.0);
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}
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//+------------------------------------------------------------------+
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//| Main Calculation |
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//+------------------------------------------------------------------+
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void CCCI_OscillatorCalculator::Calculate(int rates_total, int prev_calculated, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[],
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double &osc_buffer[])
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{
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if(CheckPointer(m_cci_engine) == POINTER_INVALID)
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return;
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// Resize internal buffers
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if(ArraySize(m_cci_buffer) != rates_total)
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{
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ArrayResize(m_cci_buffer, rates_total);
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ArrayResize(m_signal_buffer, rates_total);
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ArrayResize(m_upper_dummy, rates_total);
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ArrayResize(m_lower_dummy, rates_total);
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}
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// Calculate CCI and Signal (Incremental)
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// The CCI engine handles its own incremental logic
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m_cci_engine.Calculate(rates_total, prev_calculated, price_type, open, high, low, close,
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m_cci_buffer, m_signal_buffer, m_upper_dummy, m_lower_dummy);
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// Calculate Oscillator (CCI - Signal)
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// Valid from: CCI Period + MA Period - 2
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int start_pos = m_cci_period + m_ma_period - 2;
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int start_index = (prev_calculated > 0) ? prev_calculated - 1 : 0;
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int loop_start = MathMax(start_pos, start_index);
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if(prev_calculated == 0)
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ArrayInitialize(osc_buffer, 0.0);
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for(int i = loop_start; i < rates_total; i++)
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{
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osc_buffer[i] = m_cci_buffer[i] - m_signal_buffer[i];
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}
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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