SupRes_EA_V1.6f

//SupRes_EA_v1.6f.mq4   Copyright © 2008, Arshad Qureshi 
#property copyright "Copyright © 2008, Arshad Qureshi. ArshadFX"

extern double Lots = 0.0;
extern int Percent    = 10;  // Allocated funds in percentage to use this function "Lot" size must be 0.0
extern double TakeProfit = 50;
extern double StopLoss = 50;

extern int ExtDepth=12;
extern int ExtDeviation=5;
extern int ExtBackstep=3;
extern int back = 0;
string Symb;
int B_M_no = 112233123;                   // magic no for opening long
int S_M_no = 112233321;                   // magic no for opening short
// GV for ZIG ZAG ---------------------------------------------------------------------------------
double zz_p[5], high_p[3], low_p[3];      // zigzag peaks prices and positions
int zz_i[5], high_i[3], low_i[3];         // zigzag lows prices and positions
// GV for Orders accounting -----------------------------------------------------------------------
int Mas_Tip[6];                           // Order type array Mas_Tip[]: 0=B,1=S,2=BL,3=SL,4=BS,5=SS
double   Mas_Ord_New[31][9],              // Current order array ..   
         Mas_Ord_Old[31][9];              // .. old order array
// GV for calculatin of lot size ------------------------------------------------------------------
double Lots_New;                          // Amount of lots for new orders function Lot()
// GV for High TL and Low TL flags ----------------------------------------------------------------
bool high_flag=true, low_flag= true, new_h = false, new_l = false;
// Init and Dinit functions -----------------------------------------------------------------------
int init(){return(0);}
int deinit(){return(0);}

// expert start function --------------------------------------------------------------------------
int start()
   {
   int ticket;
   bool buy = false, sell = false;
   Symb=Symbol();
   
   int count = 0;
   for(int i = 0 ; i < Bars ; i++)
      {
      double zz = iCustom(Symbol(),0,"zigzag",ExtDepth,ExtDeviation,ExtBackstep,0,i);
      if (zz != 0) count++;
      if(count == back + 1 && zz != 0) {zz_p[0] = zz; zz_i[0] = i;}
      if(count == back + 2 && zz != 0) {zz_p[1] = zz; zz_i[1] = i;}
      if(count == back + 3 && zz != 0) {zz_p[2] = zz; zz_i[2] = i;}
      if(count == back + 4 && zz != 0) {zz_p[3] = zz; zz_i[3] = i;}
      if(count == back + 5 && zz != 0) {zz_p[4] = zz; zz_i[4] = i;}
      if(count == back + 6) break;
      }
      count = 0;
      if (zz_p[0] > zz_p[1]) 
         {
         high_p[1] = zz_p[2]; high_i[1] = zz_i[2];
         high_p[2] = zz_p[4]; high_i[2] = zz_i[4];
         low_p[1] = zz_p[1]; low_i[1] = zz_i[1];
         low_p[2] = zz_p[3]; low_i[2] = zz_i[3];
         }
         else
         {
         high_p[1] = zz_p[1]; high_i[1] = zz_i[1];
         high_p[2] = zz_p[3]; high_i[2] = zz_i[3];
         low_p[1] = zz_p[2]; low_i[1] = zz_i[2];
         low_p[2] = zz_p[4]; low_i[2] = zz_i[4];
         }
   dTrend("high_1",high_i[1],high_i[1],high_p[1],high_p[1],Green);
   dTrend("Low_1",low_i[1],low_i[1],low_p[1],low_p[1],Red);


   Terminal();
// Trading criteria -------------------------------------------------------------------------------      
   
   if (Ask >= high_p[1]-100*Point && Mas_Tip[4] == 0 && Mas_Tip[0] == 0 && high_flag == true) 
         {
         Alert (" price is near Upper Line TradingCriteria triggered ");
         buy = true;
         high_flag = false;
         low_flag = true;
         }
   if (Bid <= low_p[1]+100*Point && Mas_Tip[5] == 0 && Mas_Tip[1] == 0 && low_flag == true)
         {
         Alert (" price is near Lower Line TradingCriteria triggered ");
         sell = true;
         low_flag = false;
         high_flag = true;
         }
   Lot();

// Order send -------------------------------------------------------------------------------------
   if (buy == true)
      {
      Delete_Ord(5);
      ticket=OrderSend(Symb,OP_BUYSTOP,Lots_New,high_p[1],2,high_p[1]-StopLoss*Point*10,high_p[1]+TakeProfit*Point*10
      ,"Comments of OrderSend",B_M_no);     //Opening Buy
      Alert ("return of ordersend ticket :",ticket,"    buy magic no : ",B_M_no);
      }
   if (sell == true)
      {
      Delete_Ord(4);
      ticket=OrderSend(Symb,OP_SELLSTOP,Lots_New,low_p[1],2,low_p[1]+StopLoss*Point*10,low_p[1]-TakeProfit*Point*10
      ,"Comments of OrderSend",S_M_no);     //Opening Buy
      Alert ("return of ordersend ",ticket);
      }

// Display on screen ------------------------------------------------------------------------------

   Comment  (
            "TakeProfit = ",high_p[1]+TakeProfit*Point*10
            ,"\nStopLoss = ",high_p[1]-StopLoss*Point*10
            ,"\nBuyStop = ",Mas_Tip[4]," B_M_no : ",Mas_Ord_New[1][4]
            ,"\nSellStop = ",Mas_Tip[5]," S_M_no : ",Mas_Ord_New[1][4]
            ,"\nBought Mas_Tip[0] = ",Mas_Tip[0]
            ,"\nSold Mas_Tip[1] = ",Mas_Tip[1]
            ,"\nTotalOrders using Mas_Ord_New[0][0])= ",Mas_Ord_New[0][0]
            ,"\nhigh_flag :",high_flag,"     low_flag :",low_flag
            );
   return(0);
  }
// End of start function --------------------------------------------------------------------------










// User define functions --------------------------------------------------------------------------
void dTrend (string name, int sTime, int eTime, double sPrice, double ePrice, color colour)
   {
   ObjectDelete(name);
   ObjectCreate(name,OBJ_TREND,0,iTime(NULL,0,sTime),sPrice,iTime(NULL,0,eTime-2),ePrice);
   ObjectSet(name,OBJPROP_COLOR,colour);
   ObjectSetText(name,name+"    "+sPrice,10);
   }
   
int Terminal()
   {   
   int Qnt=0;                          // Orders counter 
//------------------------------------------------------------------------------ 3 --   
  ArrayCopy(Mas_Ord_Old, Mas_Ord_New);// Saves the preceding history   
  Qnt=0;                              // Zeroize orders counter   
  ArrayInitialize(Mas_Ord_New,0);     // Zeroize the array   
  ArrayInitialize(Mas_Tip,    0);     // Zeroize the array
//------------------------------------------------------------------------------ 4 --   
      for(int i=0; i<OrdersTotal(); i++) // For market and pending orders     
      {      
      if((OrderSelect(i,SELECT_BY_POS)==true)     //If there is the next one      
      && (OrderSymbol()==Symbol()))               //.. and our currency pair        
         {  //--------------------------------------------------------------------- 5 --         
         Qnt++;                                   // Amount of orders         
         Mas_Ord_New[Qnt][1]=OrderOpenPrice();    // Order open price         
         Mas_Ord_New[Qnt][2]=OrderStopLoss();     // SL price         
         Mas_Ord_New[Qnt][3]=OrderTakeProfit();   // TP price          
         Mas_Ord_New[Qnt][4]=OrderTicket();       // Order number         
         Mas_Ord_New[Qnt][5]=OrderLots();         // Amount of lots         
         Mas_Tip[OrderType()]++;                  // Amount of orders of the type         
         Mas_Ord_New[Qnt][6]=OrderType();         // Order type         
         Mas_Ord_New[Qnt][7]=OrderMagicNumber();  // Magic number          
         if (OrderComment()=="")            
            Mas_Ord_New[Qnt][8]=0;                // If there is no comment         
         else            
            Mas_Ord_New[Qnt][8]=1;                // If there is a comment         
            //--------------------------------------------------------------------- 6 --        
         }
      }
   Mas_Ord_New[0][0]=Qnt;                         // Amount of orders
   //------------------------------------------------------------------------------ 7 --   
  return;  
  }
// -------------------------------------------------------------------------------------------------
bool Lot()                                     // User-defined function
  {
  string Symb   =Symbol();                    // Symbol   
  double One_Lot=MarketInfo(Symb,MODE_MARGINREQUIRED);//!-lot cost   
  double Min_Lot=MarketInfo(Symb,MODE_MINLOT);// Min. amount of lots   
  double Step   =MarketInfo(Symb,MODE_LOTSTEP);//Step in volume changing   
  double Free   =AccountFreeMargin();         // Free margin
  //----------------------------------------------------------------------------- 3 --   
  if (Lots>0)                                 // Volume is explicitly set..     
  {                                         // ..check it      
  double Money=Lots*One_Lot;               // Order cost      
  if(Money<=AccountFreeMargin())           // Free margin covers it..         
  Lots_New=Lots;                        // ..accept the set one      
  else                                     // If free margin is not enough..         
  Lots_New=MathFloor(Free/One_Lot/Step)*Step;// Calculate lots     
  }//----------------------------------------------------------------------------- 4 --   
  else                                        // If volume is not preset     
  {                                         // ..take percentage      
  if (Percent > 100)                       // Preset, but incorrectly ..         
  Percent=100;                          // .. then no more than 100      
  if (Percent==0)                          // If 0 is preset ..         
  Lots_New=Min_Lot;                     // ..then the min. lot      
  else                                     // Desired amount of lots:         
  Lots_New=MathFloor(Free*Percent/100/One_Lot/Step)*Step;//Calc     
  }//----------------------------------------------------------------------------- 5 --   
  if (Lots_New < Min_Lot)                     // If it is less than allowed..      
  Lots_New=Min_Lot;                        // .. then minimum   
  if (Lots_New*One_Lot > AccountFreeMargin()) // It isn't enough even..     
  {                                         // ..for the min. lot:(      
  Alert ("This message is from Lot() ");              // Message..      
  return(false);                           // ..and exit      
  }   return(true);                               // Exit user-defined function  
  }//----------------------------------------------------------------------------- 6 --
//-------------------------------------------------------------------------------------------------

int Delete_Ord(int Tip)                    // User-defined function  
   {   
   int Ticket=0;                          // Order ticket   
   //---------------------------------------------------------------------------- 3 --   
   while(Mas_Tip[Tip]>0)                  // As long as the orders of the ..     
      {                                   //.. given type are available       
      for(int i=1; i<=Mas_Ord_New[0][0]; i++)// Cycle for live orders        
         {
         if(Mas_Ord_New[i][6]==Tip)        // .. select the most expensive one           
            {                              // This one was found at earliest.            
            Ticket=Mas_Ord_New[i][4];     // Its order ticket is that
            bool Ans=OrderDelete(Ticket);// Close order !:)      
            Terminal();
            if (Ans==false)       
               {
               Alert(" fail to delete pending order ");
               return;
               }
            }        
         }      

      }   
   return;                                // Exit the user-defined function  
   }  
// ---------------------------------------------------------------------------------------- The END