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//+------------------------------------------------------------------+
//|                                                  Combo_Right.mq4 |
//|                               Copyright © 2008, Yury V. Reshetov |
//|                               http://bigforex.biz/load/2-1-0-171 |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2008, Yury V. Reshetov"
#property link      "http://bigforex.biz/load/2-1-0-171"

//---- input parameters
extern double       tp1 = 50;
extern double       sl1 = 50;
extern int          p1 = 10;
extern int          x12 = 100;
extern int          x22 = 100;
extern int          x32 = 100;
extern int          x42 = 100;
extern double       tp2 = 50;
extern double       sl2 = 50;
extern int          p2 = 20;
extern int          x13 = 100;
extern int          x23 = 100;
extern int          x33 = 100;
extern int          x43 = 100;
extern double       tp3 = 50;
extern double       sl3 = 50;
extern int          p3 = 20;
extern int          x14 = 100;
extern int          x24 = 100;
extern int          x34 = 100;
extern int          x44 = 100;
extern int          p4 = 20;
extern int          pass = 1;
extern double       lots = 0.01;
extern int          mn = 888;
static int          prevtime = 0;
static double       sl = 10;
static double       tp = 10;



//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
   if (Time[0] == prevtime) return(0);
   prevtime = Time[0];
   
   if (! IsTradeAllowed()) {
      again();
      return(0);
   }
//----
   int total = OrdersTotal();
   for (int i = 0; i < total; i++) {
      OrderSelect(i, SELECT_BY_POS, MODE_TRADES);
      if (OrderSymbol() == Symbol() && OrderMagicNumber() == mn) {
         return(0);
      } 
   }
   
   sl = sl1;
   tp = tp1;
   
   int ticket = -1;
   
   RefreshRates();
   
   if (Supervisor() > 0) {
      ticket = OrderSend(Symbol(), OP_BUY, lots, Ask, 1, Bid - sl * Point, Bid + tp * Point, WindowExpertName(), mn, 0, Blue); 
      if (ticket < 0) {
         again();      
      }
   } else {
      ticket = OrderSend(Symbol(), OP_SELL, lots, Bid, 1, Ask + sl * Point, Ask - tp * Point, WindowExpertName(), mn, 0, Red); 
      if (ticket < 0) {
         again();
      }
   }
//-- Exit --
   return(0);
}
//+--------------------------- getLots ----------------------------------+


double Supervisor() {
   if (pass == 4) {
      if (perceptron3() > 0) {
         if (perceptron2() > 0) {
            sl = sl3;
            tp = tp3;
            return(1);
         }
       } else {
         if (perceptron1() < 0) {
            sl = sl2;
            tp = tp2;
            return(-1);
         }
      }
      return(basicTradingSystem());
   }

   if (pass == 3) {
      if (perceptron2() > 0) {
         sl = sl3;
         tp = tp3;
         return(1);
       } else {
         return(basicTradingSystem());
       }
   }

   if (pass == 2) {
      if (perceptron1() < 0) {
         sl = sl2;
         tp = tp2;
         return(-1);
       } else {
         return(basicTradingSystem());
       }

   }
   return(basicTradingSystem());
}

double perceptron1()   {
   double       w1 = x12 - 100;
   double       w2 = x22 - 100;
   double       w3 = x32 - 100;
   double       w4 = x42 - 100;
   double a1 = Close[0] - Open[p2];
   double a2 = Open[p2] - Open[p2 * 2];
   double a3 = Open[p2 * 2] - Open[p2 * 3];
   double a4 = Open[p2 * 3] - Open[p2 * 4];
   return(w1 * a1 + w2 * a2 + w3 * a3 + w4 * a4);
}

double perceptron2()   {
   double       w1 = x13 - 100;
   double       w2 = x23 - 100;
   double       w3 = x33 - 100;
   double       w4 = x43 - 100;
   double a1 = Close[0] - Open[p3];
   double a2 = Open[p3] - Open[p3 * 2];
   double a3 = Open[p3 * 2] - Open[p3 * 3];
   double a4 = Open[p3 * 3] - Open[p3 * 4];
   return(w1 * a1 + w2 * a2 + w3 * a3 + w4 * a4);
}

double perceptron3()   {
   double       w1 = x14 - 100;
   double       w2 = x24 - 100;
   double       w3 = x34 - 100;
   double       w4 = x44 - 100;
   double a1 = Close[0] - Open[p4];
   double a2 = Open[p4] - Open[p4 * 2];
   double a3 = Open[p4 * 2] - Open[p4 * 3];
   double a4 = Open[p4 * 3] - Open[p4 * 4];
   return(w1 * a1 + w2 * a2 + w3 * a3 + w4 * a4);
}

double basicTradingSystem() {
   return(iCCI(Symbol(), 0, p1, PRICE_OPEN, 0));
}

void again() {
   prevtime = Time[1];
   Sleep(30000);
}