//+------------------------------------------------------------------+
//|                                                    I-Test-V1.mq5 |
//|                                  Thorsten Fischer Copyright 2020 |
//|                                         https://mql5.tfsystem.de |
//+------------------------------------------------------------------+
#property copyright "Thorsten Fischer Copyright 2020"
#property link      "https://mql5.tfsystem.de"
#property version   "1.00"
#property strict

#property indicator_chart_window
#property indicator_buffers   4
#property indicator_plots     0
//---
#include "..\..\TF-Dateien\TF-Class\TFLog.mqh"

//---
double   Buffer_Anzahl[];
double   Buffer_T1[];
double   Buffer_T2[];
double   Buffer_T3[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
   PrintLogInfo("******************************* Start Indicator ************************");
//--- indicator buffers mapping
   SetIndexBuffer(0, Buffer_Anzahl, INDICATOR_CALCULATIONS);
   SetIndexBuffer(1, Buffer_T1, INDICATOR_CALCULATIONS);
   SetIndexBuffer(2, Buffer_T2, INDICATOR_CALCULATIONS);
   SetIndexBuffer(3, Buffer_T3, INDICATOR_CALCULATIONS);
   ArraySetAsSeries(Buffer_Anzahl, true);
   ArraySetAsSeries(Buffer_T1, true);
   ArraySetAsSeries(Buffer_T2, true);
   ArraySetAsSeries(Buffer_T3, true);
//---
   IndicatorSetString(INDICATOR_SHORTNAME, "Test Indicator");
//---
   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[])
  {
//---
   ArraySetAsSeries(close, true);
   int   start=rates_total-prev_calculated-1;
//---
   if(start<0)
      start=0;
//---
   for(int i=start; i>=0; i--)
     {
      Buffer_Anzahl[i]=3;
      Buffer_T1[i]=close[i];
      Buffer_T2[i]=rates_total;
      Buffer_T3[i]=prev_calculated;
     }
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+

//+------------------------------------------------------------------+