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2026-07-27 20:47:44 +00:00 · 2025-09-30 14:09:39 +02:00
parent f48a608b27
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+//+------------------------------------------------------------------+
+//|                                                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 <MyIncludes\MAMA_FAMA_Calculator.mqh>
+
+//--- 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  2
+
+//--- 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);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+