///////////////////////////////////////////////////////// // // SaherElm IT Center MQL5 OrderBlock Detector Indicator // ----------------------------------------------------- // Name: XOBD // Description: detect Order Blocks based on Swings ... // // // Maintainer: // ------------ // Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com) // ////////////////////////////////////////////////////// // // Global Properties ... #property copyright "Copyright 2023, SaherElm IT Center" #property link "https://saherelm.ir" #property version "1.00" #property description "SaherElm XOBD Indicator" #property strict // // START Constants ... // #define ShortName "XOBD" // // END Constants ... // // // START Inputs ... // // input int length = 5; // Swing Length // input uchar swingHighArrowCode = 108; // Swing High Arrow Code input color swingHighArrowColor = clrMagenta; // Swing High Arrow Color // input uchar swingLowArrowCode = 108; // Swing Low Arrow Code input color swingLowArrowColor = clrAqua; // Swing Low Arrow Color // // END Inputs ... // // // Includes Logging Library ... #include "../Libraries/x-saherelm.log.lib.mq5" // // Include Common and Models Library ... #include "../Libraries/x-saherelm.common.lib.mq5" // // Include Draw Library ... #include "../Libraries/x-saherelm.draw.lib.mq5" // // START Buffers ... // #property indicator_chart_window // #property indicator_buffers 1 #property indicator_plots 0 // #define swingBufferIndex 0 double swingBuffer[]; // // END Buffers ... // // // START Global Definitions: Variables, Properties and etc ... // // // END Global Definitions: Variables, Properties and etc ... // // // START Event Handlers ... // // // Initialization ... int OnInit() { // // Validate Inputs ... if (!ValidateInputs()) { return INIT_PARAMETERS_INCORRECT; } // logTag = ShortName; drawPrefix = ShortName; // // Define Index Buffers ... DefineBuffers(); // // Set Indicator ShortName ... SetIndicatorName(); // // Init Succeed ... return INIT_SUCCEEDED; } // // DeInitialization ... void OnDeinit(const int reason) { // // REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function // REASON_REMOVE 1 Program removed from a chart // REASON_RECOMPILE 2 Program recompiled // REASON_CHARTCHANGE 3 A symbol or a chart period is changed // REASON_CHARTCLOSE 4 Chart closed // REASON_PARAMETERS 5 Inputs changed by a user // REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings // REASON_TEMPLATE 7 Another chart template applied // REASON_INITFAILED 8 The OnInit() handler returned a non-zero value // REASON_CLOSE 9 Terminal closed // // Here we can handle De Initialization Reasons ... OnDeinitDrawLibrary(); } // // Calculations ... // // Calculating what we want ... int OnCalculate( // // total Candles on chart ... const int rates_total, // // total calculated Candles on charts ... const int prev_calculated, // // history of Candles Open Time ... const datetime &time[], // // history of Candles Open Price ... const double &open[], // // history of Candles High Price ... const double &high[], // // history of Candles Low Price ... const double &low[], // // history of Candles Close Price ... const double &close[], // // history of Tick Volumes on Candle ... const long &tick_volume[], // // history of Trade Volumes ... const long &volume[], // // history of Candles Spread Price ... const int &spread[]) { // // Prepare Buffers ... ArraySetAsSeries(time, true); ArraySetAsSeries(open, true); ArraySetAsSeries(high, true); ArraySetAsSeries(low, true); ArraySetAsSeries(close, true); ArraySetAsSeries(tick_volume, true); ArraySetAsSeries(volume, true); ArraySetAsSeries(spread, true); // // this counts Available Bars ... int limit; // // because in some cases we may have more than one input for // calculation and we must prevent any calculation // untill we pass the biggest input length, here we get max Input length // and then wait until pass it ... int maxLength = MathMax(0, length * 3); // limit = prev_calculated < maxLength ? rates_total - (maxLength + 1) : rates_total - prev_calculated; // // Main Loop ... for (int i = limit; i >= 0 && !IsStopped(); i--) { // CalculateBuffers(i); } // return rates_total; } // // END Event Handlers ... // // // START Functions ... // // // Validate Input Args for Initialization ... bool ValidateInputs() { // bool result = false; // // Validate Args ... if (length >= 2) { result = true; } // return result; } // // Define Indexes and Styles ... void DefineBuffers() { // ArraySetAsSeries(swingBuffer, true); SetIndexBuffer(swingBufferIndex, swingBuffer, INDICATOR_CALCULATIONS); } // // Set Indicator Short Name and also we can define Buffers Labels ... void SetIndicatorName() { // string indicatorShortName = ""; StringConcatenate(indicatorShortName, ShortName, " ", "( ", length, " )"); // IndicatorSetString(INDICATOR_SHORTNAME, indicatorShortName); } // // Calculate Buffers ... void CalculateBuffers(int bar_index) { // // GetCandleSwing(bar_index); ENUM_X_SWING_TYPE type = X_NO_SWING; // // Try To Detect Order Blocks ... bool isSwingLow = false; bool isSwingHigh = false; // // Reading Candles Data ... XOHCL candles[]; for (int i = bar_index; i < bar_index + ((length * 2) + 2); i++) { // XOHCL iCandle = GetCandle( _Symbol, _Period, i); // Add( iCandle, candles); } // // Swing Low ... isSwingLow = // candles[1].close > candles[2].close && candles[2].close > candles[3].close && // candles[3].close < candles[4].close && // candles[5].close > candles[4].close && candles[6].close > candles[5].close // ; // if (isSwingLow) { type = X_SWING_LOW; } // if (!isSwingLow) { // // Swing High ... isSwingHigh = // candles[1].close < candles[2].close && candles[2].close < candles[3].close && // candles[3].close > candles[4].close && // candles[5].close < candles[4].close && candles[6].close < candles[5].close // ; // if (isSwingHigh) { type = X_SWING_HIGH; } } // switch (type) { // // Swing High ... case X_SWING_HIGH: // swingBuffer[bar_index] = type; DrawSwingArrow(1, bar_index); break; // // Swinmg Low ... case X_SWING_LOW: // swingBuffer[bar_index] = type; DrawSwingArrow(0, bar_index); break; // // No Swing ... default: case X_NO_SWING: // swingBuffer[bar_index] = 0; break; } } // // Draw a Swing Arrow Shape ... void DrawSwingArrow( int type, // Swing Type: 0 - Low / 1 - High ... int bar_index) { // bool isSwingHigh = type == 1; XOHCL candle = GetCandle(bar_index + 3); double arrowDistanceInPoint = 0; // // Define Required Object Properties fro Draw an Arrow ... datetime time = iTime(_Symbol, _Period, bar_index + 3); double purePrice = isSwingHigh ? candle.high : candle.low; color clr = isSwingHigh ? swingHighArrowColor : swingLowArrowColor; ENUM_ARROW_ANCHOR anchor = isSwingHigh ? ANCHOR_BOTTOM : ANCHOR_TOP; uchar arrowCode = uchar(isSwingHigh ? swingHighArrowCode : swingLowArrowCode); double price = isSwingHigh ? purePrice + arrowDistanceInPoint : purePrice - arrowDistanceInPoint; string name = "Swing " + (isSwingHigh ? "High" : "Low") + "_" + (string)time + "_" + (string)purePrice; // // Draw desired Arrow ... DrawArrow( 0, name, 0, time, price, arrowCode, anchor, clr); } // // END Functions ... //