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112 lines
4.3 KiB
Plaintext
112 lines
4.3 KiB
Plaintext
//+------------------------------------------------------------------+
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//| RSI_Oscillator.mq5 |
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//| Copyright 2025, xxxxxxxx|
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//| |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025, xxxxxxxx"
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#property version "3.00"
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#property description "RSI Oscillator (Histogram of RSI vs Signal Line) with selectable price source."
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#property indicator_separate_window
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#property indicator_buffers 1
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#property indicator_plots 1
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#property indicator_type1 DRAW_HISTOGRAM
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#property indicator_color1 clrSilver
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#property indicator_width1 2
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#property indicator_label1 "RSI Oscillator"
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#property indicator_level1 0.0
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#property indicator_levelstyle STYLE_DOT
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#include <MyIncludes\RSI_Pro_Calculator.mqh>
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//--- Input Parameters ---
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input int InpPeriodRSI = 14;
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input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
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input group "Signal Line Settings"
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input int InpPeriodMA = 14;
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input ENUM_MA_METHOD InpMethodMA = MODE_SMA;
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//--- Indicator Buffers ---
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double BufferOscillator[];
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//--- Global calculator object ---
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CRSIProCalculator *g_calculator;
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function. |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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SetIndexBuffer(0, BufferOscillator, INDICATOR_DATA);
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ArraySetAsSeries(BufferOscillator, false);
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if(InpSourcePrice <= PRICE_HA_CLOSE)
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{
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g_calculator = new CRSIProCalculator_HA();
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSI Osc HA(%d,%d)", InpPeriodRSI, InpPeriodMA));
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}
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else
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{
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g_calculator = new CRSIProCalculator();
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSI Osc(%d,%d)", InpPeriodRSI, InpPeriodMA));
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}
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//--- We pass a dummy deviation value (0.0) as it's not used for the oscillator
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if(CheckPointer(g_calculator) == POINTER_INVALID ||
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!g_calculator.Init(InpPeriodRSI, InpPeriodMA, InpMethodMA, 0.0))
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{
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Print("Failed to initialize RSI Pro Calculator for Oscillator.");
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return(INIT_FAILED);
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}
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PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriodRSI + InpPeriodMA - 1);
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IndicatorSetInteger(INDICATOR_DIGITS, 2);
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator deinitialization function. |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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if(CheckPointer(g_calculator) != POINTER_INVALID)
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delete g_calculator;
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function. |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[])
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{
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if(CheckPointer(g_calculator) == POINTER_INVALID)
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return 0;
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//--- Step 1: Use the Pro calculator to get the core RSI and MA values
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double rsi_buffer[], ma_buffer[], dummy_upper[], dummy_lower[];
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ArrayResize(rsi_buffer, rates_total);
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ArrayResize(ma_buffer, rates_total);
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ArrayResize(dummy_upper, rates_total);
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ArrayResize(dummy_lower, rates_total);
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ENUM_APPLIED_PRICE price_type;
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if(InpSourcePrice <= PRICE_HA_CLOSE)
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price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
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else
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price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
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g_calculator.Calculate(rates_total, price_type, open, high, low, close,
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rsi_buffer, ma_buffer, dummy_upper, dummy_lower);
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//--- Step 2: Calculate the final Oscillator value (RSI - MA)
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int start_pos = InpPeriodRSI + InpPeriodMA - 1;
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for(int i = start_pos; i < rates_total; i++)
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{
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BufferOscillator[i] = rsi_buffer[i] - ma_buffer[i];
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}
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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