460 lines
9.7 KiB
Plaintext
460 lines
9.7 KiB
Plaintext
///////////////////////////////////////////////////////////////
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//
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// SaherElm IT Center MQL5 X121_XTRND Trends Indicator
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// -----------------------------------------------------------
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// Name: X121_XTRND
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// Description: Market Trend Detector ...
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// Market Analysor ...
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//
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//
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// Maintainer:
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// ------------
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// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
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//
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//////////////////////////////////////////////////////
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//
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// Global Properties ...
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#property copyright "Copyright 2023, SaherElm IT Center"
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#property link "https://saherelm.ir"
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#property version "1.00"
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#property description "SaherElm X121_XTRND Indicator"
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#property strict
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//
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// START Constants ...
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//
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//
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// Indicator Short Name ...
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#define ShortName "X121_XTRND"
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//
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// END Constants ...
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//
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//
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// START Inputs ...
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//
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//
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input group "Makret";
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input int cycleLength = 2; // Cycle Length to Check
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input int numberOfVerifications = 2; // Number of Verifications
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//
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input group "Calculation";
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input ENUM_SERIESMODE hhMode = MODE_HIGH; // Detect Up
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input ENUM_SERIESMODE llMode = MODE_LOW; // Detect Low
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//
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input group "Presentation";
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input bool showConsolidations = false; // Show Consolidations
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input bool showTrend = true; // Show Trend
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//
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// END Inputs ...
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//
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//
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// START Includes and Imports ...
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//
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//
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// Includes Logging Library ...
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#include "../Libraries/x-saherelm.log.lib.mq5"
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//
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// Includes Common Library ...
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#include "../Libraries/x-saherelm.common.lib.mq5"
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//
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// END Includes and Imports ...
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//
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//
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// START Buffers ...
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//
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//
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#property indicator_chart_window
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//
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#property indicator_buffers 4
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#property indicator_plots 4
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//
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// Higher High ...
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#define hhBufferIndex 0
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#define hhPlotBufferIndex 0
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double hhBuffer[];
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#define hhColorBufferIndex 1
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double hhColorBuffer[];
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//
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#property indicator_label1 "X121_XTRND U"
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#property indicator_type1 DRAW_COLOR_LINE
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#property indicator_color1 CLR_NONE, clrLightGray, clrAqua, clrMagenta
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#property indicator_style1 STYLE_DOT
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#property indicator_width1 1
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//
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// Lower Low ...
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#define llBufferIndex 2
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#define llPlotBufferIndex 1
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double llBuffer[];
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#define llColorBufferIndex 3
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double llColorBuffer[];
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//
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#property indicator_label2 "X121_XTRND D"
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#property indicator_type2 DRAW_COLOR_LINE
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#property indicator_color2 CLR_NONE, clrLightGray, clrAqua, clrMagenta
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#property indicator_style2 STYLE_DOT
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#property indicator_width2 1
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//
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// END Buffers ...
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//
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//
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// START Global Definitions: Variables, Properties and etc ...
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//
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//
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int maxLength;
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//
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// END Global Definitions: Variables, Properties and etc ...
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//
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//
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// START Event Handlers ...
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//
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//
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// Initialization ...
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int OnInit()
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{
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//
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// Validate Inputs ...
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if (!ValidateInputs())
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{
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return INIT_PARAMETERS_INCORRECT;
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}
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//
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logTag = ShortName;
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//
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// because in some cases we may have more than one input for
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// calculation and we must prevent any calculation
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// untill we pass the biggest input length, here we get max Input length
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// and then wait until pass it ...
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maxLength = ExtractMaxLengthOfInputs();
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//
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// Define Index Buffers ...
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DefineBuffers();
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//
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// Set Indicator ShortName ...
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SetIndicatorName();
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//
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// Init Succeed ...
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return INIT_SUCCEEDED;
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}
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//
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// DeInitialization ...
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void OnDeinit(const int reason)
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{
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//
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// REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function
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// REASON_REMOVE 1 Program removed from a chart
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// REASON_RECOMPILE 2 Program recompiled
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// REASON_CHARTCHANGE 3 A symbol or a chart period is changed
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// REASON_CHARTCLOSE 4 Chart closed
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// REASON_PARAMETERS 5 Inputs changed by a user
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// REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings
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// REASON_TEMPLATE 7 Another chart template applied
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// REASON_INITFAILED 8 The OnInit() handler returned a non-zero value
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// REASON_CLOSE 9 Terminal closed
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}
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//
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// Calculations ...
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//
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// Calculating what we want ...
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int OnCalculate(
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//
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// total Candles on chart ...
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const int rates_total,
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//
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// total calculated Candles on charts ...
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const int prev_calculated,
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//
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// history of Candles Open Time ...
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const datetime &time[],
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//
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// history of Candles Open Price ...
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const double &open[],
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//
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// history of Candles High Price ...
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const double &high[],
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//
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// history of Candles Low Price ...
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const double &low[],
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//
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// history of Candles Close Price ...
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const double &close[],
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//
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// history of Tick Volumes on Candle ...
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const long &tick_volume[],
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//
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// history of Trade Volumes ...
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const long &volume[],
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//
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// history of Candles Spread Price ...
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const int &spread[])
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{
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//
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// Prepare Buffers ...
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ArraySetAsSeries(time, true);
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ArraySetAsSeries(open, true);
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ArraySetAsSeries(high, true);
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ArraySetAsSeries(low, true);
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ArraySetAsSeries(close, true);
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ArraySetAsSeries(tick_volume, true);
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ArraySetAsSeries(volume, true);
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ArraySetAsSeries(spread, true);
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//
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// this counts Available Bars ...
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int limit;
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//
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limit = (prev_calculated > rates_total || prev_calculated <= 0) ? rates_total : (rates_total - prev_calculated) + 1;
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//
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// Main Loop ...
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for (int i = limit - 1; i >= 0 && !IsStopped(); i--)
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{
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CalculateBuffers(i);
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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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// END Event Handlers ...
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//
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//
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// START Functions ...
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//
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//
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// Validate Input Args for Initialization ...
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bool ValidateInputs()
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{
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//
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bool result =
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//
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(cycleLength > 0 &&
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numberOfVerifications > 0)
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//
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;
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//
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return result;
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}
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//
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// Retrieve all Exists Input Max Length ...
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// use for Start Of Drawing ...
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int ExtractMaxLengthOfInputs()
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{
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//
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int result = 0;
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//
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// Peaks and Vales ...
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result = MathMax(
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cycleLength,
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numberOfVerifications);
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//
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return result;
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}
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//
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// Define Indexes and Styles ...
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void DefineBuffers()
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{
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//
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ENUM_DRAW_TYPE drawType = showTrend ? DRAW_COLOR_LINE : DRAW_NONE;
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//
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// HH Buffer ...
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//
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// SERIES ...
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ArraySetAsSeries(hhBuffer, true);
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SetIndexBuffer(hhBufferIndex, hhBuffer, INDICATOR_DATA);
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//
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// PLOT Config ...
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PlotIndexSetInteger(hhPlotBufferIndex, PLOT_SHOW_DATA, showTrend);
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PlotIndexSetInteger(hhPlotBufferIndex, PLOT_DRAW_BEGIN, maxLength);
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PlotIndexSetInteger(hhPlotBufferIndex, PLOT_DRAW_TYPE, drawType);
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//
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// COLOR Buffer ...
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ArraySetAsSeries(hhColorBuffer, true);
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SetIndexBuffer(hhColorBufferIndex, hhColorBuffer, INDICATOR_COLOR_INDEX);
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//
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// LL Buffer ...
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//
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// SERIES ...
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ArraySetAsSeries(llBuffer, true);
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SetIndexBuffer(llBufferIndex, llBuffer, INDICATOR_DATA);
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//
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// PLOT Config ...
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PlotIndexSetInteger(llPlotBufferIndex, PLOT_SHOW_DATA, showTrend);
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PlotIndexSetInteger(llPlotBufferIndex, PLOT_DRAW_TYPE, drawType);
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PlotIndexSetInteger(llPlotBufferIndex, PLOT_DRAW_BEGIN, maxLength);
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//
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// COLOR Buffer ...
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ArraySetAsSeries(llColorBuffer, true);
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SetIndexBuffer(llColorBufferIndex, llColorBuffer, INDICATOR_COLOR_INDEX);
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}
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//
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// Set Indicator Short Name and also we can define Buffers Labels ...
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void SetIndicatorName()
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{
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//
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string indicatorShortName = "";
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StringConcatenate(indicatorShortName, ShortName, "");
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//
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IndicatorSetString(INDICATOR_SHORTNAME, indicatorShortName);
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}
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//
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// Calculate Buffers ...
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void CalculateBuffers(
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int bar_index // Selected Bar Index
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)
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{
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//
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// HIGHER Highs ...
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double hh = GetHighestHigh(
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_Symbol,
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_Period,
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hhMode,
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cycleLength,
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bar_index);
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//
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hhBuffer[bar_index] = hh;
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//
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// LOWER Lows ...
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double ll = GetLowestLow(
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_Symbol,
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_Period,
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llMode,
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cycleLength,
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bar_index);
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//
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llBuffer[bar_index] = ll;
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//
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// Set Default Color ...
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// in Consolidations use index 0 for CLR_NONE ...
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double hhColorIDX = showConsolidations ? 1 : 0;
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double llColorIDX = showConsolidations ? 1 : 0;
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//
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// Calculate Cycle Changes ...
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//
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int cycleCLength = cycleLength * numberOfVerifications;
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bool isCycleCLengthPassed = MathAbs(ArraySize(hhBuffer) - bar_index) > cycleCLength + 1;
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//
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if (isCycleCLengthPassed)
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{
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//
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bool isLowestLowUp = true; // ll > llBuffer[bar_index + 1];
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bool isLowestLowDown = true; // ll < llBuffer[bar_index + 1];
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bool isHighsestHighUp = true; // hh > hhBuffer[bar_index + 1];
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bool isHighsestHighDown = true; // hh < hhBuffer[bar_index + 1];
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for (int i = bar_index; i < bar_index + cycleCLength; i++)
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{
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//
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double iHH = hhBuffer[i];
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double iLL = llBuffer[i];
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//
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if (hh < iHH)
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{
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isHighsestHighUp = false;
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}
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else if (hh > iHH)
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{
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isHighsestHighDown = false;
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}
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//
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if (ll < iLL)
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{
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isLowestLowUp = false;
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}
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else if (ll > iLL)
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{
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isLowestLowDown = false;
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}
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}
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//
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// Detect Trends and Change Colors ...
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//
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if (isLowestLowUp &&
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isHighsestHighUp)
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{
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//
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hhColorIDX = 2;
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llColorIDX = 2;
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}
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//
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if (isLowestLowDown &&
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isHighsestHighDown)
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{
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//
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hhColorIDX = 3;
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llColorIDX = 3;
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}
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}
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//
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hhColorBuffer[bar_index] = hhColorIDX;
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llColorBuffer[bar_index] = llColorIDX;
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}
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//
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// END Functions ...
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//
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