//+------------------------------------------------------------------+
//|                                                         Real.mq4 |
//|                                              Copyright 2017, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2017, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"
#property strict

//--- Inputs
extern double Lots         = 0.1;      // лот
extern double Risk         = 5;        // риск
extern double StopLoss     = 500;      // лось
extern double TakeProfit   = 500;      // язь

extern int Shift           = 1;        // на каком баре сигнал индикатора
extern int Slip            = 30;       // реквот
extern int CloseSig        = 0;        // 1-закрытие по сигналу
extern int Magic           = 123;      // магик

extern string IndName="Real Trend";
extern int SignalPeriod= 15;
extern int ArrowPeriod = 2;
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//---

  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void PutOrder(int type,double price)
  {
   int r=0;
   color clr=Green;
   double sl=0,tp=0;

   if(type==1 || type==3 || type==5)
     {
      clr=Red;
      if(StopLoss>0) sl=NormalizeDouble(price+StopLoss*Point,Digits);
      if(TakeProfit>0) tp=NormalizeDouble(price-TakeProfit*Point,Digits);
     }

   if(type==0 || type==2 || type==4)
     {
      clr=Blue;
      if(StopLoss>0) sl=NormalizeDouble(price-StopLoss*Point,Digits);
      if(TakeProfit>0) tp=NormalizeDouble(price+TakeProfit*Point,Digits);
     }

   r=OrderSend(NULL,type,Lot(),NormalizeDouble(price,Digits),Slip,sl,tp,"",Magic,0,clr);
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void OpenPos()
  {
   double buy=iCustom(NULL,0,IndName,SignalPeriod,ArrowPeriod,2,Shift);
   double sell=iCustom(NULL,0,IndName,SignalPeriod,ArrowPeriod,3,Shift);

//--- sell 
   if(sell>0)
     {
      PutOrder(1,Bid);
     }
//--- buy conditions
   if(buy>0)
     {
      PutOrder(0,Ask);
     }
//---
  }
//+------------------------------------------------------------------+
//| Check for close order conditions                                 |
//+------------------------------------------------------------------+
void ClosePos()
  {
   double buy=iCustom(NULL,0,IndName,SignalPeriod,ArrowPeriod,2,Shift);
   double sell=iCustom(NULL,0,IndName,SignalPeriod,ArrowPeriod,3,Shift);

   if(sell>0)
     {
      CloseAll(0);
     }

   if(buy>0)
     {
      CloseAll(1);
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CloseAll(int ot=-1)
  {
   bool cl;
   for(int i=OrdersTotal()-1;i>=0;i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==0 && (ot==0 || ot==-1))
              {
               RefreshRates();
               cl=OrderClose(OrderTicket(),OrderLots(),NormalizeDouble(Bid,Digits),Slip,White);
              }
            if(OrderType()==1 && (ot==1 || ot==-1))
              {
               RefreshRates();
               cl=OrderClose(OrderTicket(),OrderLots(),NormalizeDouble(Ask,Digits),Slip,White);
              }
           }
        }
     }
  }
//+------------------------------------------------------------------+
int CountTrades()
  {
   int count=0;
   for(int i=OrdersTotal()-1;i>=0;i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()<2) count++;
           }
        }
     }
   return(count);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double Lot()
  {
   double lot=Lots;
   double lotstep=MarketInfo(Symbol(),MODE_LOTSTEP);
   double MinLot=MarketInfo(Symbol(),MODE_MINLOT);
   double MaxLot=MarketInfo(Symbol(),MODE_MAXLOT);
   if(Lots==0) lot=AccountBalance()/100000*Risk;
   lot=NormalizeDouble(lot/lotstep,0)*lotstep;
   if(lot<MinLot) lot=MinLot;
   if(lot>MaxLot) lot=MaxLot;
   return(lot);
  }
//+------------------------------------------------------------------+
//| OnTick function                                                  |
//+------------------------------------------------------------------+
void OnTick()
  {
   if(CountTrades()<1) OpenPos();
   if(CloseSig>0) ClosePos();
  }
//+------------------------------------------------------------------+