//+------------------------------------------------------------------+
//|                                                   ExFractals.mq4 |
//|                           Copyright © 2006, Alex Sidd (Executer) |
//|                                           mailto:work_st@mail.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Alex Sidd (Executer)"
#property link      "mailto:work_st@mail.ru"
//----
#define MAGIC 612457
//----
extern double lStopLoss = 40;
extern double sStopLoss = 40;
extern double lTakeProfit = 100;
extern double sTakeProfit = 100;
extern double lTrailingStop = 30;
extern double sTrailingStop = 30;
extern double Lots = 0.10;
extern int a = 3;
extern double DecreaseFactor = 100;
extern double MaximumRisk    = 0.025;
extern double MaximumLots    = 100;
extern int coeff = 0;
//----
int IsLastBuy = 0;
int what = 0;
color clOpenBuy = Blue;
color clCloseBuy = Aqua;
color clOpenSell = Red;
color clCloseSell = Violet;
color clModiBuy = Blue;
color clModiSell = Red;
string Name_Expert = "ExFractals";
int Slippage = 0;
bool UseSound = True;
string NameFileSound = "alert.wav";
//----
double FractUp1 = 0;
double FractUp2 = 0;
double FractDn1 = 0;
double FractDn2 = 0;
datetime FTimeUp1, FTimeUp2, FTimeDn1, FTimeDn2, curTime;
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double GetSizeLot()
  {
   double Lot = Lots;
   int cycle;
   int prof = 0;
   int orders = HistoryTotal();  // history orders total
   int losses = 0;               // number of losses orders without a break
   int vinn = 0;
   int i = orders;
//---- select lot size
   Lot = NormalizeDouble(AccountFreeMargin()*MaximumRisk / 100, 1);
   if(AccountFreeMargin() <= 10000 && AccountFreeMargin() > 5000) 
       DecreaseFactor = NormalizeDouble(AccountFreeMargin() / 100, 1);
   if(AccountFreeMargin() <= 5000 && AccountFreeMargin() > 3000) 
       DecreaseFactor = NormalizeDouble(AccountFreeMargin() / 200, 1);
   if(AccountFreeMargin() <= 14) 
       DecreaseFactor = 14;
   if(AccountFreeMargin() > 10000) 
       DecreaseFactor = 60;
   if(DecreaseFactor > 0 && orders > DecreaseFactor)
     {
       for(cycle = 1; cycle < DecreaseFactor; cycle++)
         {
           i--;
           if(OrderSelect(i, SELECT_BY_TICKET, MODE_HISTORY) == false) 
             { 
               Print("Error in history!"); 
               break; 
             }
             
           if(OrderCloseTime()>0)
             {
               prof = prof + OrderProfit(); 
               if(OrderProfit() <= 0 ) 
                   losses++;
               else 
                   vinn++;
             }
         }
       if(prof <= 0 ) 
           Lot = 0.1;//Lot - (0.1*losses); //Lot = 0.1;//
       // if(prof <=0 && vinn>losses) Lot = Lot - (0.1*losses);
       if(prof > 0 && losses > vinn) 
         {
           Lot = Lot + (0.1*NormalizeDouble(vinn / 4, 0.1));
         }
       if(prof > 0 && losses <= vinn )
         {
           Lot = Lot + (0.1*NormalizeDouble(vinn / 2, 0.1));
         }
     } 
   if(AccountFreeMargin() < 300 || Lot < 0.1) 
       Lot = 0.1;
   if(Lot*1275 >= AccountFreeMargin()) 
       Lot = NormalizeDouble(AccountFreeMargin()*MaximumRisk / 100, 1);
   if(MaximumLots != 0 && Lot > MaximumLots) 
       Lot = MaximumLots;
   if(DecreaseFactor > orders) 
       Lot = Lots;
   Lot = Lots;
//----
   return(Lot);
  }  
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+  
void deinit() 
  {  
//----
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double LevelCalculate(double Price1, double Time1, double Price2,  
                      double Time2, double NewTime)
  {
   double level;
   if(Time2 != Time1) // На всякий случай, чтобы не было деления на 0.
       level = (NewTime - Time1)*(Price2 - Price1) / (Time2-Time1) + Price1;
   else
       return(Price2);
   return(level);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int start()
  {
   if(Bars < 100)
     {
       Print("bars less than 100");
       return(0);
     }
   if(lStopLoss < 3)
     {
       Print("StopLoss less than 3");
       return(0);
     }
   if(lTakeProfit < 3)
     {
       Print("TakeProfit less than 3");
       return(0);
     }
   if(sStopLoss < 3) 
     {
       Print("StopLoss less than 3");
       return(0);
     }
   if(sTakeProfit < 3)
     {
       Print("TakeProfit less than 3");
       return(0);
     }
   if(AccountFreeMargin() < (1000*Lots))
     {
       Print("We have no money. Free Margin = ", AccountFreeMargin());
       return(0);
     }
   double Fup, Fdn;
   Fup = iFractals(NULL, 0, MODE_UPPER, 3);
   Fdn = iFractals(NULL, 0, MODE_LOWER, 3);
   double AO_1, AO_2, AO_D1, AO_D2;
   AO_1 = iAO(NULL, 60, 1);
   AO_2 = iAO(NULL, 60, 2);
   AO_D1 = iAO(NULL, 240, 1);
   AO_D2 = iAO(NULL, 240, 2);
   if(AO_1 > AO_2 && AO_D1 > AO_D2)
       what = 1;
   if(AO_1 < AO_2 && AO_D1 < AO_D2) 
       what = 2;
   if(AO_1 > AO_2 && AO_D1 < AO_D2) 
       what = 3;
   if(AO_1 < AO_2 && AO_D1 > AO_D2) 
       what = 4;
   if(Fup > 0) 
     {
       if(FractUp1 == 0 && FractUp2 == 0) 
         {
           FractUp1 = Fup; 
           FTimeUp1 = Time[3];
         }
       if(FractUp1 != 0&&FractUp2 == 0 && FTimeUp1 != Time[3]) 
         {
           FractUp2 = Fup; 
           FTimeUp2 = Time[3];
         }
       if(FractUp1 != 0 && FractUp2 != 0 && FTimeUp2 != Time[3])
         {
           FractUp1 = FractUp2;
           FTimeUp1 = FTimeUp2;
           FractUp2 = Fup;
           FTimeUp2 = Time[3];
         } 
     }
   if(Fdn > 0) 
     {
       if(FractDn1 == 0 && FractDn2 == 0) 
         {
           FractDn1 = Fdn; 
           FTimeDn1 = Time[3];
         }
       if(FractDn1 != 0 && FractDn2 == 0 && FTimeDn1 != Time[3]) 
         {
           FractDn2 = Fdn; 
           FTimeDn2 = Time[3];
         }
       if(FractDn1 != 0 && FractDn2 != 0 && FTimeDn2 != Time[3])
         {
           FractDn1 = FractDn2;
           FTimeDn1 = FTimeDn2;
           FractDn2 = Fdn;
           FTimeDn2 = Time[3];
         } 
     }
   double lvldn, lvlup;
   double I1 = iCustom(NULL, 0, "ExVol", 0, 1);
   if(FractUp1 != 0 && FractUp2 != 0)
     {
       lvlup = LevelCalculate(FractUp1, FTimeUp1, FractUp2, FTimeUp2, Time[0]);
       lvldn = LevelCalculate(FractDn1, FTimeDn1, FractDn2, FTimeDn2, Time[0]);
       ObjectCreate("FractalLineUp", OBJ_TREND, 0, FTimeUp1, FractUp1, FTimeUp2, FractUp2);
       ObjectSet("FractalLineUp", OBJPROP_TIME1, FTimeUp1);
       ObjectSet("FractalLineUp", OBJPROP_PRICE1, FractUp1);
       ObjectSet("FractalLineUp", OBJPROP_TIME2, FTimeUp2);
       ObjectSet("FractalLineUp", OBJPROP_PRICE2, FractUp2);
       if(!ExistPositionsBuy())
         {
           if(Ask > lvlup && Close[1] > lvlup&&I1 < 0)    
             {
               OpenBuy(lvlup);
               ObjectCreate("FractUp" + Bars, OBJ_ARROW, 0, Time[0], lvlup);
               ObjectSet("FractUp" + Bars, OBJPROP_COLOR, Blue);
               ObjectSet("FractUp" + Bars, OBJPROP_ARROWCODE, SYMBOL_ARROWUP);
               return(0);
             }
         }
     }
   if(ExistPositionsBuy())
     {
       if((what == 1 && AO_1 < AO_2 || AO_D1 < AO_D2) || (what == 2 && AO_1 > AO_2 || 
          AO_D1 > AO_D2) || (what == 3 && AO_1 < AO_2 || AO_D1 > AO_D2) || 
          (what == 4 && AO_1 > AO_2 || AO_D1 < AO_D2))  
           CloseBuy();
     }
   if(FractDn1 != 0 && FractDn2 != 0)
     {
       lvldn = LevelCalculate(FractDn1, FTimeDn1, FractDn2, FTimeDn2, Time[0]);
       lvlup = LevelCalculate(FractUp1, FTimeUp1, FractUp2, FTimeUp2, Time[0]);
       ObjectCreate("FractalLineDn", OBJ_TREND, 0, FTimeDn1, FractDn1, FTimeDn2, FractDn2);
       ObjectSet("FractalLineDn", OBJPROP_TIME1, FTimeDn1);
       ObjectSet("FractalLineDn", OBJPROP_PRICE1, FractDn1);
       ObjectSet("FractalLineDn", OBJPROP_TIME2, FTimeDn2);
       ObjectSet("FractalLineDn", OBJPROP_PRICE2, FractDn2);
       if(!ExistPositionsSell())
         {
           if(lvldn > Bid && Close[1] < lvldn && I1 > 0)  
             {
               OpenSell(lvldn);
               ObjectCreate("FractDn" + Bars, OBJ_ARROW, 0, Time[0], lvldn);
               ObjectSet("FractDn" + Bars, OBJPROP_COLOR, Red);
               ObjectSet("FractDn" + Bars, OBJPROP_ARROWCODE, SYMBOL_ARROWDOWN);
               return(0);
             }
         }
     }
   if(ExistPositionsSell())
     {
       if((what == 1 && AO_1 < AO_2 || AO_D1 < AO_D2) || (what == 2 && AO_1 > AO_2 || 
          AO_D1 > AO_D2) || (what == 3 && AO_1 < AO_2 || AO_D1 > AO_D2) || 
          (what == 0 && AO_1 > AO_2 || AO_D1 < AO_D2)) 
           CloseSell();// ;
     }
   TrailingPositionsBuy(lTrailingStop);
   TrailingPositionsSell(sTrailingStop);
//----
   return (0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool ExistPositionsSell() 
  {
	  for(int i = 0; i < OrdersTotal(); i++) 
	    {
		     if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) 
		       {
			        if(OrderSymbol() == Symbol() && OrderMagicNumber() == MAGIC && 
			           OrderType() == OP_SELL) 
			          {
				           return(True);
			          }
		       }  
	    } 
//----
	  return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool ExistPositionsBuy() 
  {
   for(int i = 0; i < OrdersTotal(); i++) 
     {
	      if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) 
	        {
		         if(OrderSymbol() == Symbol() && OrderMagicNumber() == MAGIC && 
		            OrderType() == OP_BUY) 
		           {
			            return(True);
		           }
	        } 
     } 
//----
	  return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void TrailingPositionsBuy(int trailingStop) 
  { 
   for(int i = 0; i < OrdersTotal(); i++) 
     { 
       if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) 
         { 
           if(OrderSymbol() == Symbol() && OrderMagicNumber() == MAGIC) 
             { 
               if(OrderType() == OP_BUY) 
                 { 
                   if(Bid - OrderOpenPrice() > trailingStop*Point) 
                     { 
                       if(OrderStopLoss() < Bid - trailingStop*Point) 
                           ModifyStopLoss(Bid - trailingStop*Point); 
                     } 
                 } 
             } 
         } 
     } 
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void TrailingPositionsSell(int trailingStop) 
  { 
   for(int i = 0; i < OrdersTotal(); i++) 
     { 
       if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) 
         { 
           if(OrderSymbol() == Symbol() && OrderMagicNumber() == MAGIC) 
             { 
               if(OrderType() == OP_SELL) 
                 { 
                   if(OrderOpenPrice() - Ask > trailingStop*Point) 
                     { 
                       if(OrderStopLoss() > Ask + trailingStop*Point || OrderStopLoss() == 0)  
                           ModifyStopLoss(Ask + trailingStop*Point); 
                     } 
                 } 
             } 
         } 
     } 
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void ModifyStopLoss(double ldStopLoss) 
  { 
   bool fm;
   fm = OrderModify(OrderTicket(), OrderOpenPrice(), ldStopLoss, OrderTakeProfit(), 
                    0, CLR_NONE); 
   if(fm && UseSound) 
       PlaySound(NameFileSound); 
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CloseBuy() 
  { 
   bool fc; 
   fc = OrderClose(OrderTicket(), OrderLots(), Bid, Slippage, clCloseBuy); 
   if(fc && UseSound) 
       PlaySound(NameFileSound); 
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CloseSell() 
  { 
   bool fc; 
   fc = OrderClose(OrderTicket(), OrderLots(), Ask, Slippage, clCloseSell); 
   if(fc && UseSound) 
       PlaySound(NameFileSound); 
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int OpenBuy(double pr_op) 
  { 
   double ldLot, ldStop, ldTake; 
   string lsComm; 
   ldLot = GetSizeLot(); 
   ldStop = GetStopLossBuy(); 
   ldTake = GetTakeProfitBuy(); 
   lsComm = GetCommentForOrder(); 
   int i = OrderSend(Symbol(), OP_BUY, ldLot, NormalizeDouble(Ask, 4), Slippage, 
                     ldStop, ldTake, lsComm, MAGIC, 0, clOpenBuy); 
   if(UseSound) 
       PlaySound(NameFileSound); 
   return(i);
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int OpenSell(double pr_op) 
  { 
   double ldLot, ldStop, ldTake; 
   string lsComm; 
   ldLot = GetSizeLot(); 
   ldStop = GetStopLossSell(); 
   ldTake = GetTakeProfitSell(); 
   lsComm = GetCommentForOrder(); 
   int i = OrderSend(Symbol(), OP_SELL, ldLot, NormalizeDouble(Bid, 4), Slippage, 
                     ldStop, ldTake, lsComm, MAGIC, 0, clOpenSell); 
   if(UseSound) 
       PlaySound(NameFileSound); 
   return(i);
} 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
string GetCommentForOrder() 
  { 	
    return(Name_Expert); 
  } 
//double GetSizeLot() { 	return(Lots); } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double GetStopLossBuy() 
  { 	
    return (Bid - lStopLoss*Point);
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double GetStopLossSell() 
  { 	
    return(Ask + sStopLoss*Point); 
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double GetTakeProfitBuy() 
  { 	
    return(Ask + lTakeProfit*Point); 
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double GetTakeProfitSell() 
  { 	
    return(Bid - sTakeProfit*Point); 
  } 
//+------------------------------------------------------------------+