T3MA

ÿþ//+------------------------------------------------------------------+

//|                                T3MA(barabashkakvn's edition).mq5 |

//|                                               571>@>4>2 ;5:A59 |

//|                                                   AlexeiBv@ya.ru |

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

#property copyright "571>@>4>2 ;5:A59"

#property link      "AlexeiBv@ya.ru"

#property version   "1.001"

//---

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>  

CPositionInfo  m_position;                   // trade position object

CTrade         m_trade;                      // trading object

CSymbolInfo    m_symbol;                     // symbol info object

//--- input parameters

input double   InpLots=0.1;

input ushort   InpStopLoss=20;

input ushort   InpTakeProfit=125;

input int      InpBarNumber=1;



input ulong m_magic=794356487;

input ulong m_slippage=30;                // slippage

input bool InpPlaySound=true;

//---

int            handle_iT3MA;                 // variable for storing the handle of the T3MA indicator 

ENUM_ACCOUNT_MARGIN_MODE m_margin_mode;

double         m_adjusted_point;             // point value adjusted for 3 or 5 points

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

   SetMarginMode();

   if(!IsHedging())

     {

      Print("Hedging only!");

      return(INIT_FAILED);

     }

//---

   m_symbol.Name(Symbol());                  // sets symbol name

   if(!RefreshRates())

     {

      Print("Error RefreshRates. Bid=",DoubleToString(m_symbol.Bid(),Digits()),

            ", Ask=",DoubleToString(m_symbol.Ask(),Digits()));

      return(INIT_FAILED);

     }

   m_symbol.Refresh();

//---

   m_trade.SetExpertMagicNumber(m_magic);

//---

   m_trade.SetDeviationInPoints(m_slippage);

//--- tuning for 3 or 5 digits

   int digits_adjust=1;

   if(m_symbol.Digits()==3 || m_symbol.Digits()==5)

      digits_adjust=10;

   m_adjusted_point=m_symbol.Point()*digits_adjust;

//--- create handle of the indicator T3MA

   handle_iT3MA=iCustom(m_symbol.Name(),Period(),"T3MA-ALARM",4,0,MODE_EMA,PRICE_CLOSE);

//--- if the handle is not created 

   if(handle_iT3MA==INVALID_HANDLE)

     {

      //--- tell about the failure and output the error code 

      PrintFormat("Failed to create handle of the iMA indicator for the symbol %s/%s, error code %d",

                  m_symbol.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

//---



  }

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

//| Expert tick function                                             |

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

void OnTick()

  {

//---

   static double LastOrder=0;

//---

   double m0=0.0,m1=0.0;

   double sl=0.0;

   double tp=0.0;

   string comment=""3";



//--- buffer 1: Buy, buffer 2: Sell    

   m0=iT3MAGet(1,InpBarNumber);

   m1=iT3MAGet(2,InpBarNumber);



   Comment("m0="+DoubleToString(m0,0)+" m1="+DoubleToString(m1,0)+" LastOrder"+DoubleToString(LastOrder,0));



   if(m0!=0.0 && m0!=LastOrder)

     {

      if(!RefreshRates())

         return;



      sl=0.0;

      if(InpStopLoss>0)

         sl=m_symbol.NormalizePrice(m_symbol.Ask()-InpStopLoss*m_adjusted_point);

      tp=0.0;

      if(InpTakeProfit>0)

         tp=m_symbol.NormalizePrice(m_symbol.Ask()+InpTakeProfit*m_adjusted_point);

      //--- check volume before OrderSend to avoid "not enough money" error (CTrade)

      double chek_volime_lot=m_trade.CheckVolume(m_symbol.Name(),InpLots,m_symbol.Ask(),ORDER_TYPE_BUY);



      if(chek_volime_lot!=0.0)

         if(chek_volime_lot>=InpLots)

           {

            if(m_trade.Buy(InpLots,NULL,m_symbol.Ask(),sl,tp,MQLInfoString(MQL_PROGRAM_NAME)))

              {

               if(m_trade.ResultDeal()==0)

                 {

                  Print("Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

                        ", description of result: ",m_trade.ResultRetcodeDescription());

                 }

               else

                 {

                  Print("Buy -> true. Result Retcode: ",m_trade.ResultRetcode(),

                        ", description of result: ",m_trade.ResultRetcodeDescription());

                  LastOrder=m0;

                  if(InpPlaySound)

                     PlaySound("alert.wav");

                 }

              }

            else

              {

               Print("Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

              }

           }

     }



   if(m1!=0.0 && m1!=LastOrder)

     {

      if(!RefreshRates())

         return;



      sl=0.0;

      if(InpStopLoss>0)

         sl=m_symbol.NormalizePrice(m_symbol.Bid()+InpStopLoss*m_adjusted_point);

      tp=0.0;

      if(InpTakeProfit>0)

         tp=m_symbol.NormalizePrice(m_symbol.Bid()-InpTakeProfit*m_adjusted_point);

      //--- check volume before OrderSend to avoid "not enough money" error (CTrade)

      double chek_volime_lot=m_trade.CheckVolume(m_symbol.Name(),InpLots,m_symbol.Bid(),ORDER_TYPE_SELL);



      if(chek_volime_lot!=0.0)

         if(chek_volime_lot>=InpLots)

           {

            if(m_trade.Sell(InpLots,NULL,m_symbol.Bid(),sl,tp))

              {

               if(m_trade.ResultDeal()==0)

                 {

                  Print("Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

                        ", description of result: ",m_trade.ResultRetcodeDescription());

                 }

               else

                 {

                  Print("Sell -> true. Result Retcode: ",m_trade.ResultRetcode(),

                        ", description of result: ",m_trade.ResultRetcodeDescription());

                  LastOrder=m1;

                  if(InpPlaySound)

                     PlaySound("alert.wav");

                 }

              }

            else

              {

               Print("Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

              }

           }

     }



//---

   return;

  }

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

//| Get value of buffers for the T3MA                                |

//| buffer 1: Buy, buffer 2: Sell                                    |

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

double iT3MAGet(int buffer,const int index)

  {

   double T3MA[1];

//--- reset error code 

   ResetLastError();

//--- fill a part of the iMABuffer array with values from the indicator buffer that has 0 index 

   if(CopyBuffer(handle_iT3MA,buffer,index,1,T3MA)<0)

     {

      //--- if the copying fails, tell the error code 

      PrintFormat("Failed to copy data from the T3MA indicator, error code %d",GetLastError());

      //--- quit with zero result - it means that the indicator is considered as not calculated 

      return(0.0);

     }

   return(T3MA[0]);

  }

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

//|                                                                  |

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

void SetMarginMode(void)

  {

   m_margin_mode=(ENUM_ACCOUNT_MARGIN_MODE)AccountInfoInteger(ACCOUNT_MARGIN_MODE);

  }

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

//|                                                                  |

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

bool IsHedging(void)

  {

   return(m_margin_mode==ACCOUNT_MARGIN_MODE_RETAIL_HEDGING);

  }

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

//| Refreshes the symbol quotes data                                 |

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

bool RefreshRates()

  {

//--- refresh rates

   if(!m_symbol.RefreshRates())

      return(false);

//--- protection against the return value of "zero"

   if(m_symbol.Ask()==0 || m_symbol.Bid()==0)

      return(false);

//---

   return(true);

  }

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