//+------------------------------------------------------------------+
//|                                                        Mult2.mq5 |
//|                                              Copyright 2021, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"

#include <Trade\Trade.mqh>            // Подключаем торговый класс CTrade

//--- входные параметры группы 1
input double   Lots      = 0.1;       // лот
input double   Loss      = 3000;      // Лось в валюте
input double   Profit    = 100;       // Профит в валюте

input string   Symb1     = "EURUSD";  // 1-й символ
input string   Symb2     = "GBPUSD";  // 2-й символ
input string   Symb3     = "EURGBP";  // 3-й символ

input int      Slip      = 50;        // Проскальзывание

input string IndName     = "Examples\\ZigZag";

int zz=0;
int bars=0;
double zi[];
bool b=1,s=1;
CTrade trade;                         // Используем торговый класс CTrade
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
   zz=iCustom(Symb1,0,IndName);
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {

  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CloseAll()
  {
   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)))
        {
         trade.PositionClose(PositionGetTicket(i),Slip);
        }
     }
  }
//+------------------------------------------------------------------+
//|  Position Profit                                                 |
//+------------------------------------------------------------------+
double AllProfit()
  {
   double p=0;

   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)))
        {
         p+=PositionGetDouble(POSITION_PROFIT)+PositionGetDouble(POSITION_SWAP);
        }
     }
   return(p);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int CountTrades(string sm)
  {
   int count=0;

   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)))
        {
         if(PositionGetString(POSITION_SYMBOL)==sm)
           {
            if(OrderGetInteger(ORDER_TYPE)<2)
               count++;
           }
        }
     }
   return(count);
  }
//+------------------------------------------------------------------+
//| Лот                                                              |
//+------------------------------------------------------------------+
double Lot(string sm)
  {
   double lots=Lots;

   lots=NormalizeDouble(Lots*MathPow(2,CountTrades(sm)),2);

   if(lots>5)
      lots=Lots;
   if(lots<0.1)
      lots=0.1;

   return(lots);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double ZZPrice(int n=0)
  {
   int i=0,ke=0;

   for(i=1; i<333; i++)
     {
      if(zi[i]!=0)
        {
         ke++;
         if(ke>n)
            return(zi[i]);
        }
     }
   return(0);
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
   double Ask1=SymbolInfoDouble(Symb1,SYMBOL_ASK);
   double Ask2=SymbolInfoDouble(Symb2,SYMBOL_ASK);
   double Ask3=SymbolInfoDouble(Symb3,SYMBOL_ASK);

   double Bid1=SymbolInfoDouble(Symb1,SYMBOL_BID);
   double Bid2=SymbolInfoDouble(Symb2,SYMBOL_BID);
   double Bid3=SymbolInfoDouble(Symb3,SYMBOL_BID);

   ArraySetAsSeries(zi,true);
   CopyBuffer(zz,0,1,333,zi);

   if(bars!=Bars(NULL,0))
     {
      if(AllProfit()>Profit || AllProfit()<-Loss)
         CloseAll();

      if(Symb1!="")
        {
         if(ZZPrice(0)>ZZPrice(1) && b)
           {
            trade.PositionOpen(Symb1,1,Lot(Symb1),Bid1,0,0);
            trade.PositionOpen(Symb2,0,Lot(Symb2),Ask2,0,0);
            trade.PositionOpen(Symb3,0,Lot(Symb3),Ask3,0,0);
            b=0;
            s=1;
           }
         if(ZZPrice(0)<ZZPrice(1) && s)
           {
            trade.PositionOpen(Symb1,0,Lot(Symb1),Ask1,0,0);
            trade.PositionOpen(Symb2,1,Lot(Symb2),Bid2,0,0);
            trade.PositionOpen(Symb3,1,Lot(Symb3),Bid3,0,0);
            s=0;
            b=1;
           }
        }
      bars=Bars(NULL,0);
     }

   Comment("\n Profit : ",AllProfit(),
           "\n ZZ1 : ",NormalizeDouble(ZZPrice(0),_Digits),
           "\n ZZ2 : ",NormalizeDouble(ZZPrice(1),_Digits));
  }
//+------------------------------------------------------------------+

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