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Toh4iem9
147 lines
4.9 KiB
Plaintext
147 lines
4.9 KiB
Plaintext
//+------------------------------------------------------------------+
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//| RSI_PercentB.mq5 |
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//| Copyright 2025, xxxxxxxx|
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025, xxxxxxxx"
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#property version "1.20" // Optimized for incremental calculation
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#property description "RSI %B. Shows the position of the RSI line relative to its Bollinger Bands."
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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_level1 0.0
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#property indicator_level2 0.5
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#property indicator_level3 1.0
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#property indicator_levelstyle STYLE_DOT
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#include <MyIncludes\RSI_Pro_Calculator.mqh>
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//--- Plot 1: %B Line
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#property indicator_label1 "RSI %B"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrMediumPurple
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 1
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//--- Input Parameters ---
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input group "RSI Settings"
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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 "Bollinger Bands Settings"
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input int InpPeriodMA = 20;
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input ENUM_MA_METHOD InpMethodMA = MODE_SMA;
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input double InpBandsDev = 2.0;
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//--- Indicator Buffers ---
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double BufferPercentB[];
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//--- Internal Buffers (Must be global for incremental calculation) ---
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double BufferRSI_Internal[];
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double BufferMA_Internal[];
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double BufferUpper_Internal[];
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double BufferLower_Internal[];
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//--- Global calculator object ---
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CRSIProCalculator *g_calculator;
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//+------------------------------------------------------------------+
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int OnInit()
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{
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SetIndexBuffer(0, BufferPercentB, INDICATOR_DATA);
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ArraySetAsSeries(BufferPercentB, 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 %%B 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 %%B(%d, %d)", InpPeriodRSI, InpPeriodMA));
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}
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if(CheckPointer(g_calculator) == POINTER_INVALID ||
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!g_calculator.Init(InpPeriodRSI, InpPeriodMA, InpMethodMA, InpBandsDev))
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{
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Print("Failed to initialize RSI Pro Calculator.");
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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, 3);
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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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// Free internal memory
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ArrayFree(BufferRSI_Internal);
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ArrayFree(BufferMA_Internal);
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ArrayFree(BufferUpper_Internal);
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ArrayFree(BufferLower_Internal);
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}
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated, // <--- Now used!
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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if(CheckPointer(g_calculator) == POINTER_INVALID)
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return 0;
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//--- Resize internal buffers
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if(ArraySize(BufferRSI_Internal) != rates_total)
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{
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ArrayResize(BufferRSI_Internal, rates_total);
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ArrayResize(BufferMA_Internal, rates_total);
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ArrayResize(BufferUpper_Internal, rates_total);
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ArrayResize(BufferLower_Internal, rates_total);
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}
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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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//--- Step 1: Run the main calculation (Incremental)
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//--- Passing global buffers to preserve state for recursive calculations
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g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close,
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BufferRSI_Internal, BufferMA_Internal, BufferUpper_Internal, BufferLower_Internal);
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//--- Step 2: Calculate the final %B value (Optimized Loop)
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int start_pos = InpPeriodRSI + InpPeriodMA - 1;
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int loop_start = MathMax(start_pos, (prev_calculated > 0 ? prev_calculated - 1 : 0));
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for(int i = loop_start; i < rates_total; i++)
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{
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double band_width = BufferUpper_Internal[i] - BufferLower_Internal[i];
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if(band_width != 0)
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{
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BufferPercentB[i] = (BufferRSI_Internal[i] - BufferLower_Internal[i]) / band_width;
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}
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else
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{
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BufferPercentB[i] = 0.5;
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}
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}
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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