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2026-07-27 20:47:44 +00:00 · 2025-08-11 11:21:44 +02:00
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+//+------------------------------------------------------------------+
+//|                                                        RSIMa.mq5 |
+//|                        Copyright 2018, MetaQuotes Software Corp. |
+//|                                                 https://mql5.com |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2018, MetaQuotes Software Corp."
+#property link      "https://mql5.com"
+#property version   "1.03" // Final robust version with manual calculation loop
+#property description "Oscillator based on the Moving Average of RSI."
+
+#property indicator_separate_window
+#property indicator_level1 30.0
+#property indicator_level2 50.0
+#property indicator_level3 70.0
+
+#property indicator_buffers 2
+#property indicator_plots   2
+
+//--- plot RSIMA (Smoothed RSI)
+#property indicator_label1  "RSIMA"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDodgerBlue
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+//--- plot RSI (Raw RSI)
+#property indicator_label2  "RSI"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrGreen
+#property indicator_style2  STYLE_SOLID
+#property indicator_width2  1
+
+//--- input parameters
+input uint                 InpPeriodRSI      = 14;          // RSI period
+input ENUM_APPLIED_PRICE   InpAppliedPrice   = PRICE_CLOSE; // RSI applied price
+input uint                 InpPeriodMA       = 14;          // Smoothing period
+input ENUM_MA_METHOD       InpMethod         = MODE_SMA;    // Smoothing method
+
+//--- indicator buffers
+double         BufferRSIMA[];    // Buffer for the smoothed RSI line (Plot 1)
+double         BufferRawRSI[];   // Buffer for the raw RSI values (Plot 2)
+
+//--- global variables
+int            handle_rsi;
+
+//--- includes
+#include <MovingAverages.mqh>
+
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function                         |
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   int period_rsi = (int)InpPeriodRSI;
+   if(period_rsi < 1)
+      period_rsi = 1;
+
+   int period_ma = (int)InpPeriodMA;
+   if(period_ma < 1)
+      period_ma = 1;
+
+   SetIndexBuffer(0, BufferRSIMA,  INDICATOR_DATA);
+   SetIndexBuffer(1, BufferRawRSI, INDICATOR_DATA);
+
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSIMA(%d, %d)", period_rsi, period_ma));
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, period_rsi + period_ma - 1);
+   PlotIndexSetString(0, PLOT_LABEL, "RSIMA");
+
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, period_rsi - 1);
+   PlotIndexSetString(1, PLOT_LABEL, "RSI");
+
+   handle_rsi = iRSI(_Symbol, _Period, period_rsi, InpAppliedPrice);
+   if(handle_rsi == INVALID_HANDLE)
+     {
+      PrintFormat("Failed to create iRSI handle. Error %d", GetLastError());
+      return(INIT_FAILED);
+     }
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+//| Custom indicator iteration 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[])
+  {
+   int period_rsi = (int)InpPeriodRSI;
+   if(period_rsi < 1)
+      period_rsi = 1;
+
+   int period_ma = (int)InpPeriodMA;
+   if(period_ma < 1)
+      period_ma = 1;
+
+   if(rates_total < period_rsi)
+      return(0);
+
+//--- Get all available RSI values into our buffer ---
+   if(CopyBuffer(handle_rsi, 0, 0, rates_total, BufferRawRSI) != rates_total)
+     {
+      Print("Error copying RSI buffer.");
+      return(0);
+     }
+
+//--- Manual calculation loop for robustness ---
+   int start_pos;
+// Determine the starting bar for calculation
+   if(prev_calculated > 0)
+     {
+      // On subsequent calls, start from the last calculated bar
+      start_pos = prev_calculated - 1;
+     }
+   else
+     {
+      // On the first call, start from the first bar where MA can be calculated
+      start_pos = period_rsi + period_ma - 2;
+     }
+
+// The MA functions need non-timeseries arrays
+   ArraySetAsSeries(BufferRawRSI, false);
+
+// Loop through the bars that need calculation
+   for(int i = start_pos; i < rates_total; i++)
+     {
+      // Check if we have enough data for the MA calculation at this position
+      if(i < period_rsi + period_ma - 2)
+        {
+         BufferRSIMA[i] = EMPTY_VALUE;
+         continue;
+        }
+
+      // Calculate the MA value for the current bar 'i'
+      switch(InpMethod)
+        {
+         case MODE_EMA:
+            // For EMA, we need the previous EMA value
+            BufferRSIMA[i] = ExponentialMA(i, period_ma, BufferRSIMA[i-1], BufferRawRSI);
+            break;
+         case MODE_SMMA:
+            // For SMMA, we also need the previous SMMA value
+            BufferRSIMA[i] = SmoothedMA(i, period_ma, BufferRSIMA[i-1], BufferRawRSI);
+            break;
+         case MODE_LWMA:
+            BufferRSIMA[i] = LinearWeightedMA(i, period_ma, BufferRawRSI);
+            break;
+         default: // MODE_SMA
+            BufferRSIMA[i] = SimpleMA(i, period_ma, BufferRawRSI);
+            break;
+        }
+     }
+
+// Restore the timeseries property for the raw RSI buffer if needed elsewhere
+   ArraySetAsSeries(BufferRawRSI, true);
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+