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2026-08-03 23:57:44 +00:00 · 2025-08-25 23:31:02 +02:00
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+//+------------------------------------------------------------------+
+//|                               Ultimate_Oscillator_HeikinAshi.mq5 |
+//|                      Copyright 2025, xxxxxxxx                    |
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property link      ""
+#property version   "1.00"
+#property description "Ultimate Oscillator on Heikin Ashi data"
+
+#include <MyIncludes\HeikinAshi_Tools.mqh>
+
+//--- Indicator Window and Plot Properties ---
+#property indicator_separate_window
+#property indicator_buffers 1
+#property indicator_plots   1
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDodgerBlue
+#property indicator_label1  "HA_UO"
+#property indicator_maximum 100.0
+#property indicator_minimum 0.0
+#property indicator_level1  30.0
+#property indicator_level2  50.0
+#property indicator_level3  70.0
+#property indicator_levelstyle STYLE_DOT
+
+//--- Input Parameters ---
+input int InpPeriod1 = 7;  // Fast Period
+input int InpPeriod2 = 14; // Middle Period
+input int InpPeriod3 = 28; // Slow Period
+
+//--- Indicator Buffers ---
+double    BufferUO[];
+
+//--- Global Objects and Variables ---
+int                       g_ExtPeriod1, g_ExtPeriod2, g_ExtPeriod3;
+const double              WEIGHT_1 = 4.0;
+const double              WEIGHT_2 = 2.0;
+const double              WEIGHT_3 = 1.0;
+const double              TOTAL_WEIGHT = WEIGHT_1 + WEIGHT_2 + WEIGHT_3;
+CHeikinAshi_Calculator   *g_ha_calculator;
+
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function.                        |
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   g_ExtPeriod1 = (InpPeriod1 < 1) ? 1 : InpPeriod1;
+   g_ExtPeriod2 = (InpPeriod2 < 1) ? 1 : InpPeriod2;
+   g_ExtPeriod3 = (InpPeriod3 < 1) ? 1 : InpPeriod3;
+
+   SetIndexBuffer(0, BufferUO, INDICATOR_DATA);
+   ArraySetAsSeries(BufferUO, false);
+
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, g_ExtPeriod3);
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("HA_UO(%d,%d,%d)", g_ExtPeriod1, g_ExtPeriod2, g_ExtPeriod3));
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+
+   g_ha_calculator = new CHeikinAshi_Calculator();
+   if(CheckPointer(g_ha_calculator) == POINTER_INVALID)
+     {
+      Print("Error creating CHeikinAshi_Calculator object");
+      return(INIT_FAILED);
+     }
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+//| Custom indicator deinitialization function.                      |
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason)
+  {
+   if(CheckPointer(g_ha_calculator) != POINTER_INVALID)
+     {
+      delete g_ha_calculator;
+      g_ha_calculator = NULL;
+     }
+  }
+
+//+------------------------------------------------------------------+
+//| Ultimate Oscillator on Heikin Ashi calculation function.         |
+//+------------------------------------------------------------------+
+int OnCalculate(const int rates_total,
+                const int prev_calculated,
+                const datetime &time[],
+                const double &open[],
+                const double &high[],
+                const double &low[],
+                const double &close[],
+                const long &tick_volume[],
+                const long &volume[],
+                const int &spread[])
+  {
+   if(rates_total <= g_ExtPeriod3)
+      return(0);
+
+//--- Intermediate Heikin Ashi Buffers
+   double ha_open[], ha_high[], ha_low[], ha_close[];
+   ArrayResize(ha_open, rates_total);
+   ArrayResize(ha_high, rates_total);
+   ArrayResize(ha_low, rates_total);
+   ArrayResize(ha_close, rates_total);
+
+//--- STEP 1: Calculate Heikin Ashi bars
+   g_ha_calculator.Calculate(rates_total, open, high, low, close, ha_open, ha_high, ha_low, ha_close);
+
+//--- STEP 2, 3: Calculate BP and TR on HA data
+   double bp[], tr[];
+   ArrayResize(bp, rates_total);
+   ArrayResize(tr, rates_total);
+   for(int i=1; i<rates_total; i++)
+     {
+      double true_low = MathMin(ha_low[i], ha_close[i-1]);
+      bp[i] = ha_close[i] - true_low;
+      tr[i] = MathMax(ha_high[i], ha_close[i-1]) - true_low;
+     }
+
+//--- STEP 4, 5, 6: Calculate sums, averages, and final UO
+   double sum_bp1=0, sum_tr1=0;
+   double sum_bp2=0, sum_tr2=0;
+   double sum_bp3=0, sum_tr3=0;
+
+   for(int i = 1; i < rates_total; i++)
+     {
+      sum_bp1 += bp[i];
+      sum_tr1 += tr[i];
+      sum_bp2 += bp[i];
+      sum_tr2 += tr[i];
+      sum_bp3 += bp[i];
+      sum_tr3 += tr[i];
+
+      if(i > g_ExtPeriod1)
+        {
+         sum_bp1 -= bp[i - g_ExtPeriod1];
+         sum_tr1 -= tr[i - g_ExtPeriod1];
+        }
+      if(i > g_ExtPeriod2)
+        {
+         sum_bp2 -= bp[i - g_ExtPeriod2];
+         sum_tr2 -= tr[i - g_ExtPeriod2];
+        }
+      if(i > g_ExtPeriod3)
+        {
+         sum_bp3 -= bp[i - g_ExtPeriod3];
+         sum_tr3 -= tr[i - g_ExtPeriod3];
+        }
+
+      if(i >= g_ExtPeriod3)
+        {
+         double avg1 = (sum_tr1 > 0) ? sum_bp1 / sum_tr1 : 0;
+         double avg2 = (sum_tr2 > 0) ? sum_bp2 / sum_tr2 : 0;
+         double avg3 = (sum_tr3 > 0) ? sum_bp3 / sum_tr3 : 0;
+
+         BufferUO[i] = 100.0 * (WEIGHT_1 * avg1 + WEIGHT_2 * avg2 + WEIGHT_3 * avg3) / TOTAL_WEIGHT;
+        }
+     }
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+```
+//+------------------------------------------------------------------+