//+------------------------------------------------------------------+
//|                                                      Dematus.mq4 |
//|                                                 Zuzabush-Сахалин |
//|                                           www.Zuzabush@yandex.ru |
//+------------------------------------------------------------------+
#property copyright "Zuzabush"
#property link      "www.Zuzabush@yandex.ru"

extern double    TEquty       = 5;    // Шаг трала средств
extern double    VSEquty      = 99999;// Виртуальный стоп
extern double    StartTEquty  = 20;   // Старт трала средств
extern int       Distance     = 50;   // Минимальная дистанция открытия 
extern int       SL           = 99999;// CтЛосс но это секрет
extern double    Lot          = 0.1;  // Размер пениса ха-ха
extern bool   ProfitTrailing  = True; // Тралить только профит
extern int    TrailingStop    = 50;   // Фиксированный размер трала
extern int    TrailingStep    = 2;    // Шаг трала


int mn = 270309;
double VSL;
static datetime prevtime = 0;
int order;
int KL;
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {   
   trailequiti(); 

   Comment(" Средства = ",AccountEquity(),"\n"," Баланс  =  ",AccountBalance(),"\n"," Стоп = ",VSL);

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



if(prevtime == Time[0]) return(0);

 KL =OrdersTotal()+1;
 
if ((OrdersTotal()<1)&&(iDeMarker(NULL,0,14,2)<0.3)&&(iDeMarker(NULL,0,14,0)>0.3))
 order=OrderSend(Symbol(),OP_BUY,Lot,Ask,5,Ask-SL*Point,0,"",5,0);

if ((OrdersTotal()<1)&&(iDeMarker(NULL,0,14,2)>0.7)&&(iDeMarker(NULL,0,14,0)<0.7))
 order=OrderSend(Symbol(),OP_SELL,Lot,Bid,5,Bid+SL*Point,0,"",5,0);
 
 OrderSelect(OrdersTotal()-1,SELECT_BY_POS,MODE_TRADES);
if ((Bid-OrderOpenPrice()>Distance*Point)&&(iDeMarker(NULL,0,14,2)>0.7)&&(iDeMarker(NULL,0,14,0)<0.7))
 order=OrderSend(Symbol(),OP_SELL,KL*Lot,Bid,5,Bid+SL*Point,0,"",5,0);
if ((OrderOpenPrice()-Ask>Distance*Point)&&(iDeMarker(NULL,0,14,2)<0.3)&&(iDeMarker(NULL,0,14,0)>0.3)) 
 order=OrderSend(Symbol(),OP_BUY,KL*Lot,Ask,5,Ask-SL*Point,0,"",5,0); 
 
prevtime = Time[0]; 
TrailingPositions();
 
  }
//+------------------------------------------------------------------+
//  Трал средств                                                     |
//+------------------------------------------------------------------+
void trailequiti()
{
 if(OrdersTotal()==0) VSL=AccountBalance()-VSEquty;
 if(AccountEquity()-TEquty-StartTEquty > AccountBalance()) { 
   if(AccountEquity()-TEquty > VSL)  VSL=AccountEquity()-TEquty; }
 if(AccountEquity()<VSL) CloseAll();
}
//+------------------------------------------------------------------+
// Закрываем все ордера                                              |
//+------------------------------------------------------------------+
void CloseAll()
{
 int ticket, i;
 while(OrdersTotal()>0) {
  for(i=OrdersTotal()-1;i>=0;i--){
   OrderSelect(i,SELECT_BY_POS,MODE_TRADES);
    if(OrderType()<2){
     if(OrderType()==OP_BUY) {
        RefreshRates();
        ticket=OrderClose(OrderTicket(),OrderLots(),Bid,3,Green);
        if(!ticket) Print(" Ошибка! ",GetLastError()); 
        Sleep(1000); }
     if(OrderType()==OP_SELL) {
        RefreshRates();
        ticket=OrderClose(OrderTicket(),OrderLots(),Ask,3,Green);
        if(!ticket) Print(" Ошибка! ",GetLastError()); 
        Sleep(1000); }
    }    
  }
 }   
}

//+------------------------------------------------------------------+
//| Сопровождение позиции простым тралом                             |
//+------------------------------------------------------------------+
void TrailingPositions() {
  double pBid, pAsk, pp;

  pp = MarketInfo(OrderSymbol(), MODE_POINT);
  if (OrderType()==OP_BUY) {
    pBid = MarketInfo(OrderSymbol(), MODE_BID);
    if (!ProfitTrailing || (pBid-OrderOpenPrice())>TrailingStop*pp) {
      if (OrderStopLoss()<pBid-(TrailingStop+TrailingStep-1)*pp) {
        ModifyStopLoss(pBid-TrailingStop*pp);
        return;
      }
    }
  }
  if (OrderType()==OP_SELL) {
    pAsk = MarketInfo(OrderSymbol(), MODE_ASK);
    if (!ProfitTrailing || OrderOpenPrice()-pAsk>TrailingStop*pp) {
      if (OrderStopLoss()>pAsk+(TrailingStop+TrailingStep-1)*pp || OrderStopLoss()==0) {
        ModifyStopLoss(pAsk+TrailingStop*pp);
        return;
      }
    }
  }
}

//+------------------------------------------------------------------+
//| Перенос уровня StopLoss                                          |
//+------------------------------------------------------------------+
void ModifyStopLoss(double ldStopLoss) {
  bool fm;

  fm=OrderModify(OrderTicket(),OrderOpenPrice(),ldStopLoss,OrderTakeProfit(),0,CLR_NONE);

}
//+------------------------------------------------------------------+