need help to modify this mt5 indicator a little bit

Hi coders ,can you please help me modify this code . The pip show indicator . It shows pips of open positions but it shows sum of them . I need it to show average amount of them .

Currently if there is 2 positions open one at 10 pips and other one at 9 pips it shows 19 pips. I want it to show average of them which is 9.5 pips. 

Any help appreciated

//+------------------------------------------------------------------+
//|                                                    Show Pips.mq4 |
//|                                    Copyright 2017, TPSproTrading |
//+------------------------------------------------------------------+
#property copyright "Copyright 2017, TPSproTrading"
#property version   "2.2"
#property strict
#property indicator_chart_window
//+------------------------------------------------------------------+
//| Parameters                                                       |
//+------------------------------------------------------------------+
enum ENUM_SHOW_TYPE
  {
   a = 0,   // Follow the price
   b = 1,   // As comment
   c = 2,   // In selected corner of the screen
  };
input ENUM_SHOW_TYPE
show_type=0;                   // Type of appearance
input ENUM_BASE_CORNER
corner=CORNER_RIGHT_LOWER;  // Graph corner for attachment
input bool    show_profit =  false;               // Show profit?
input bool    show_perc   =  false;               // Show profit in percents?
input bool    show_spread =  true;                // Show spread?
input bool    show_time   =  true;                // Show time to bar closure?
input color   colortext   =  clrBlack;            // Text color
input color   ecProfit    =  clrBlue;             // Profit color
input color   ecLoss      =  clrRed;              // Loss color
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
enum ENUM_SEPARATOR
  {
   d = 124,    // |
   e =  47,    // /
   f =  46,    // .
   g =  92,    // \
   h =  35,    // #
  };
extern ENUM_SEPARATOR
separator   =  124;                 // Separator
extern int     coord_y     =  12;                  // Y coordinate
extern int     indent      =  5;                   // Indent in bars
extern int     text_size   =  16;                   // Font size
extern string  text_font   =  "Calibry";           // Font

string         name_1      =  "TPSpro_SMT";
string         text_1      =  "";
double         n           =  1.0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
   int _dig=(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS);
   if(_dig == 3|| _dig == 5) n *= 10;
//--- indicator buffers mapping

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   Comment("");
   ObjectDelete(0,name_1);
  }
//+------------------------------------------------------------------+
//| 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[])
  {
//---
   double   tu =  0.0, tp = 0.0, tr = 0.0,
   sp =  (double)SymbolInfoInteger(Symbol(), SYMBOL_SPREAD);
   string   _sp = "", _m = "", _s = "";
   string   sep = "";
   StringConcatenate(sep," ",CharToString(char(separator))," ");

   if(AccountInfoDouble(ACCOUNT_BALANCE)==0.0)
     {
      text_1="";
     }
   else
     {
      tu =  GetProfitOpenPosInPoint();
      tp =  GetProfitOpenPos();
      tr =  tp * 100.0 / AccountInfoDouble(ACCOUNT_BALANCE);
      //Comment(tu, " ", tp, " ", tr, " ", AccountInfoDouble(ACCOUNT_BALANCE));
      StringConcatenate(text_1,DoubleToString(tu,1)," pips");

      if(show_profit) StringConcatenate(text_1,text_1,sep,DoubleToString(tp,2)," ",AccountInfoString(ACCOUNT_CURRENCY));
      if(show_perc) StringConcatenate(text_1,text_1,sep,DoubleToString(tr,1),"%");
     }

//--- Time to bar expiry
   int   m  =  int(SeriesInfoInteger(Symbol(), 0, SERIES_LASTBAR_DATE) + PeriodSeconds() - TimeCurrent());
   int   s  =  m%60;
   m=(m-s)/60;
   if(m < 10)          _m    =  "0";
   if(s < 10)          _s    =  "0";
   if(sp < 10)         _sp   =  "..";
   else if(sp < 100)   _sp   =  ".";

   if(show_spread)
     {
      if(AccountInfoDouble(ACCOUNT_BALANCE)==0.0)
         StringConcatenate(text_1,text_1,DoubleToString(sp,0),_sp);
      else
         StringConcatenate(text_1,text_1,sep,DoubleToString(sp,0),_sp);
     }
   if(show_time)
     {
      if(AccountInfoDouble(ACCOUNT_BALANCE)==0.0 && !show_spread)
         StringConcatenate(text_1,text_1,_m,DoubleToString(m,0),":",_s,DoubleToString(s,0)); // Next bar in 
      else
         StringConcatenate(text_1,text_1,sep,_m,DoubleToString(m,0),":",_s,DoubleToString(s,0)); // Next bar in 
     }

   if(show_type==0)
      SetText(name_1,text_1,ColorOnSign(tp),TimeCurrent(),SymbolInfoDouble(Symbol(),SYMBOL_BID),text_size);
   if(show_type==1)
      Comment(text_1);
   if(show_type==2)
      SetLabel(name_1,text_1,ColorOnSign(tp),3,coord_y,corner,text_size);
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+
//| Timer function                                                   |
//+------------------------------------------------------------------+
void OnTimer()
  {

  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double GetProfitOpenPos(int mn=-1)
  {
   int orders = PositionsTotal();
   double pr  = 0.0;
   for(int i=0; i<orders; i++)
     {
      ResetLastError();
      string symbol=PositionGetSymbol(i);
      if(symbol==Symbol())
        {
         if(mn<0 || OrderGetInteger(ORDER_MAGIC)==mn)
           {
            pr+=PositionGetDouble(POSITION_PROFIT)+PositionGetDouble(POSITION_SWAP);
           }
        }
     }

   return (pr);
  }
//+----------------------------------------------------------------------------+
//|  Author      : Ким Игорь В. aka KimIV,  http://www.kimiv.ru                |
//+----------------------------------------------------------------------------+
//|  Version     : 01.08.2008                                                  |
//|  Description : Returns the total profit of open items in points            |
//+----------------------------------------------------------------------------+
//| Parameters:                                                                |
//| sy     - name of the tool   (""   - any character,                         |
//|                              NULL - the current character)                 |
//| op     - operation          (-1   - any position)                          |
//| mn     - MagicNumber        (-1   - any magic)                             |
//+----------------------------------------------------------------------------+
double GetProfitOpenPosInPoint(int op=-1,int mn=-1)
  {
   double pr=0.0;

   for(int i=0; i<PositionsTotal(); i++)
     {
      ResetLastError();
      string symbol=PositionGetSymbol(i);
      if(symbol==Symbol())
        {
         ulong type     =  OrderGetInteger(ORDER_TYPE),
         magic    =  OrderGetInteger(ORDER_MAGIC);

         if(op<0 || type==op)
           {
            if(mn<0 || magic==mn)
              {
               if(type==ORDER_TYPE_BUY)
                 {
                  pr+=(PositionGetDouble(POSITION_PROFIT)/PositionGetDouble(POSITION_VOLUME)/SymbolInfoDouble(Symbol(),SYMBOL_TRADE_TICK_VALUE))/n;
                 }
               if(type==ORDER_TYPE_SELL)
                 {
                  pr+=(PositionGetDouble(POSITION_PROFIT)/PositionGetDouble(POSITION_VOLUME)/SymbolInfoDouble(Symbol(),SYMBOL_TRADE_TICK_VALUE))/n;
                 }
              }
           }
        }
     }
   return (pr);
  }
//+------------------------------------------------------------------+
//| Set text                                                         |
//+------------------------------------------------------------------+
bool SetText(string nm,string tx,color cl,datetime time,double price,int fs)
  {
   time+=indent*PeriodSeconds();
   ResetLastError();
//--- Create object "Text"
   if(ObjectFind(0,nm)<0)
      ObjectCreate(0,nm,OBJ_TEXT,0,time,price);

   ObjectMove(0,nm,0,time,price);
   ObjectSetString(0,nm,OBJPROP_TEXT,tx);
   ObjectSetString(0,nm,OBJPROP_FONT,text_font);
   ObjectSetInteger(0,nm,OBJPROP_FONTSIZE,fs);
   ObjectSetDouble(0,nm,OBJPROP_ANGLE,0.0);
   ObjectSetInteger(0,nm,OBJPROP_ANCHOR,ANCHOR_LEFT_LOWER);
   ObjectSetInteger(0,nm,OBJPROP_COLOR,cl);
   ObjectSetInteger(0,nm,OBJPROP_BACK,false);
   ObjectSetInteger(0,nm,OBJPROP_SELECTABLE,false);
   ObjectSetInteger(0,nm,OBJPROP_SELECTED,false);
   ObjectSetInteger(0,nm,OBJPROP_HIDDEN,true);

   return (true);
  }
//+------------------------------------------------------------------+
//| Set label                                                        |
//+------------------------------------------------------------------+
void SetLabel(string nm,string tx,color cl,int xd,int yd,int cr,int fs)
  {
   ResetLastError();
//--- Create object "Label"   
   if(ObjectFind(0,nm)<0)
      ObjectCreate(0,nm,OBJ_LABEL,0,0,0);

   ObjectSetString(0,nm,OBJPROP_TEXT,tx);
   ObjectSetInteger(0,nm,OBJPROP_COLOR,cl);
   ObjectSetInteger(0,nm,OBJPROP_XDISTANCE,xd);
   ObjectSetInteger(0,nm,OBJPROP_YDISTANCE,yd);
   ObjectSetInteger(0,nm,OBJPROP_CORNER,cr);
   ObjectSetInteger(0,nm,OBJPROP_FONTSIZE,fs);
   ObjectSetInteger(0,nm,OBJPROP_HIDDEN,true);

   if(cr==CORNER_RIGHT_UPPER || cr==CORNER_RIGHT_LOWER)
      ObjectSetInteger(0,nm,OBJPROP_ANCHOR,ANCHOR_RIGHT);
  }
//+------------------------------------------------------------------+
//| Returns the color by the sign of a number                        |
//+------------------------------------------------------------------+
color ColorOnSign(double nu)
  {
   color lcColor=colortext;

   if(nu > 0) lcColor = ecProfit;
   if(nu < 0) lcColor = ecLoss;

   return(lcColor);
  }
//+------------------------------------------------------------------+