//+------------------------------------------------------------------+ //| MAMA_FAMA_Pro.mq5 | //| Copyright 2025, xxxxxxxx| //+------------------------------------------------------------------+ #property copyright "Copyright 2025, xxxxxxxx" #property version "4.00" #property description "Definition-true MESA Adaptive Moving Average (MAMA) and FAMA by John Ehlers." #property description "Supports Standard and Heikin Ashi price sources." #property indicator_chart_window #property indicator_buffers 2 // MAMA and FAMA #property indicator_plots 2 //--- Include the calculator engine --- #include //--- Plot 1: MAMA Line #property indicator_label1 "MAMA" #property indicator_type1 DRAW_LINE #property indicator_color1 clrRed #property indicator_style1 STYLE_SOLID #property indicator_width1 1 //--- Plot 2: FAMA Line #property indicator_label2 "FAMA" #property indicator_type2 DRAW_LINE #property indicator_color2 clrGreen #property indicator_style2 STYLE_SOLID #property indicator_width2 1 //--- Custom Enum for Price Source, including Heikin Ashi --- enum ENUM_APPLIED_PRICE_HA_ALL { //--- Heikin Ashi Prices (negative values for easy identification) PRICE_HA_CLOSE = -1, PRICE_HA_OPEN = -2, PRICE_HA_HIGH = -3, PRICE_HA_LOW = -4, PRICE_HA_MEDIAN = -5, PRICE_HA_TYPICAL = -6, PRICE_HA_WEIGHTED = -7, //--- Standard Prices (using built-in ENUM_APPLIED_PRICE values) PRICE_CLOSE_STD = PRICE_CLOSE, PRICE_OPEN_STD = PRICE_OPEN, PRICE_HIGH_STD = PRICE_HIGH, PRICE_LOW_STD = PRICE_LOW, PRICE_MEDIAN_STD = PRICE_MEDIAN, PRICE_TYPICAL_STD = PRICE_TYPICAL, PRICE_WEIGHTED_STD= PRICE_WEIGHTED }; //--- Input Parameters --- input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; // Source Price input double InpFastLimit = 0.5; // Fast Limit input double InpSlowLimit = 0.05; // Slow Limit //--- Indicator Buffers --- double BufferMAMA[]; double BufferFAMA[]; //--- Global calculator object (as a base class pointer) --- CMAMACalculator *g_calculator; //+------------------------------------------------------------------+ //| Custom indicator initialization function. | //+------------------------------------------------------------------+ int OnInit() { SetIndexBuffer(0, BufferMAMA, INDICATOR_DATA); SetIndexBuffer(1, BufferFAMA, INDICATOR_DATA); ArraySetAsSeries(BufferMAMA, false); ArraySetAsSeries(BufferFAMA, false); PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, 10); PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, 10); if(InpSourcePrice <= PRICE_HA_CLOSE) { g_calculator = new CMAMACalculator_HA(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("MAMA/FAMA HA(%.2f,%.2f)", InpFastLimit, InpSlowLimit)); } else { g_calculator = new CMAMACalculator(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("MAMA/FAMA(%.2f,%.2f)", InpFastLimit, InpSlowLimit)); } if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpFastLimit, InpSlowLimit)) { Print("Failed to initialize MAMA Calculator."); return(INIT_FAILED); } return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function. | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { if(CheckPointer(g_calculator) != POINTER_INVALID) delete g_calculator; } //+------------------------------------------------------------------+ //| Custom indicator iteration function. | //+------------------------------------------------------------------+ 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&[]) { if(CheckPointer(g_calculator) == POINTER_INVALID) return 0; ENUM_APPLIED_PRICE price_type; if(InpSourcePrice <= PRICE_HA_CLOSE) price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice); else price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferMAMA, BufferFAMA); return(rates_total); } //+------------------------------------------------------------------+ //+------------------------------------------------------------------+