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https://github.com/softwaredevelop/mql5.git
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Toh4iem9
88 lines
3.3 KiB
Plaintext
88 lines
3.3 KiB
Plaintext
//+------------------------------------------------------------------+
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//| ZeroLag_EMA_Pro.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 "2.00" // Added Ehlers' optimized gain (Error Correcting) mode
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#property description "Zero-Lag Exponential Moving Average (ZLEMA). Supports standard"
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#property description "and Ehlers' optimized gain (Error Correcting) modes."
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#property indicator_chart_window
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#property indicator_buffers 1
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#property indicator_plots 1
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#property indicator_label1 "ZLEMA"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrAqua
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 1
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#include <MyIncludes\ZeroLag_EMA_Calculator.mqh>
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//--- Input Parameters ---
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input int InpPeriod = 20; // EMA Period
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input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
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input group "Advanced Settings"
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input bool InpOptimizeGain = false; // Use Ehlers' Error Correcting (slower)
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input double InpGainLimit = 5.0; // Gain Limit for optimization (e.g., 5.0 = +/- 50 steps)
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//--- Indicator Buffers ---
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double BufferZLEMA[];
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//--- Global calculator object ---
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CZeroLagEMACalculator *g_calculator;
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//+------------------------------------------------------------------+
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int OnInit()
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{
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SetIndexBuffer(0, BufferZLEMA, INDICATOR_DATA);
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ArraySetAsSeries(BufferZLEMA, false);
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if(InpSourcePrice <= PRICE_HA_CLOSE)
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{
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g_calculator = new CZeroLagEMACalculator_HA();
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("ZLEMA HA(%d)", InpPeriod));
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}
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else
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{
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g_calculator = new CZeroLagEMACalculator();
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("ZLEMA(%d)", InpPeriod));
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}
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if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpOptimizeGain, InpGainLimit))
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{
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Print("Failed to initialize Zero-Lag EMA Calculator.");
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return(INIT_FAILED);
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}
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PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod * 2);
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IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
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return(INIT_SUCCEEDED);
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}
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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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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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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, BufferZLEMA);
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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