//+------------------------------------------------------------------+
//|                                                    MACD++ EA.mq4 |
//|                                        Copyright © 2011, MadWill |
//|                                             http://www.evgeno.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2011, MadWill"
#property link      "http://www.evgeno.ru"


extern int Slippage=5;
extern double Lots=0.01;
extern int TrallingStop=0;
extern int TrallingStep=25;
extern int TrallingProfit=0;
extern int EscapeTralling=0;
extern int StopLoss=0;
extern int TakeProfit=0;
extern int Risk=0;
extern int Reverse=1;


extern int FastEMA=12;
extern int SlowEMA=26;
extern int SignalSMA1=9;
extern int SignalSMA2=25;

double PurpStep=0;
double Purp=0;
int Pos, Tic, i, Orders, BarTime, Trend;
double SL, TP;
string Stringer;
bool Exec=false;

int Sells,Buys;
double TopSell,TopBuy,BotSell,BotBuy;

int Trade=1;
int Trading=0;



//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
//----
   //----
if(Risk>0){
      double Min=MarketInfo(Symbol(),MODE_MINLOT);
      double Max=MarketInfo(Symbol(),MODE_MAXLOT);
      double Req=MarketInfo(Symbol(),MODE_MARGINREQUIRED);
      double Free=AccountFreeMargin()/100*Risk;
      Lots=Free/Req;
      if(Lots<Min) Lots=Min;
      if(Lots>Max) Lots=Max;
      RefreshRates();
      Lots=NormalizeDouble(Lots/MarketInfo(Symbol(),MODE_LOTSTEP),0);
      Lots=Lots*MarketInfo(Symbol(),MODE_LOTSTEP);
      PurpStep=NormalizeDouble(AccountEquity()/100*Risk,2);
   }

if(BarTime!=Time[0]){
      BarTime=Time[0];
      once();
      }
   
   /*****SPECIAL******************/
   Orders=OrdersTotal();
   for(i=Orders-1;i>=0;i--){
      OrderSelect(i,SELECT_BY_POS);
      if(OrderType()==OP_BUY && OrderSymbol()==Symbol()){
         
         //TRALLING STOP--------
         if(TrallingStop>0){
            RefreshRates();
            if(Bid>OrderOpenPrice()+TrallingStop*Point+TrallingStep*Point && OrderStopLoss()==0){
               OrderModify(OrderTicket(),OrderOpenPrice(),Bid-TrallingStop*Point,OrderTakeProfit(),0);
               }
            else if(Bid>OrderOpenPrice()+TrallingStop*Point+TrallingStep*Point && Bid>OrderStopLoss()+TrallingStop*Point+TrallingStep*Point && OrderStopLoss()!=0){
               OrderModify(OrderTicket(),OrderOpenPrice(),Bid-TrallingStop*Point,OrderTakeProfit(),0);
               }
            }
         /*
         //TRALLING PROFIT
         if(TrallingProfit==-1){
            if(Bid>OrderOpenPrice()+TrallingProfit*Point){
               if(TrallingStop>0){
                  SL=Ask-TrallingStop*Point;
                  if(TakeProfit>0) TP=Ask+TakeProfit*Point;
                  OrderSend(Symbol(),OP_BUY,Lots,Ask,Slippage,SL,TP);
                  }else OpBuy();
               }
            }
         */
         }
      if(OrderType()==OP_SELL && OrderSymbol()==Symbol()){
         
         //TRALLING STOP--------
         if(TrallingStop>0){
            RefreshRates();
            if(Ask<OrderOpenPrice()-TrallingStop*Point-TrallingStep*Point && OrderStopLoss()==0){
               OrderModify(OrderTicket(),OrderOpenPrice(),Ask+TrallingStop*Point,OrderTakeProfit(),0);
               }
            else if(Ask<OrderOpenPrice()-TrallingStop*Point-TrallingStep*Point && Ask<OrderStopLoss()-TrallingStop*Point-TrallingStep*Point && OrderStopLoss()!=0){
               OrderModify(OrderTicket(),OrderOpenPrice(),Ask+TrallingStop*Point,OrderTakeProfit(),0);
               }
            }
         /*
         //TRALLING PROFIT
         if(TrallingProfit>0){
            if(Ask<OrderOpenPrice()-TrallingProfit*Point){
               if(TrallingStop==-1){
                  SL=Bid+TrallingStop*Point;
                  if(TakeProfit>0) TP=Bid-TakeProfit*Point;
                  OrderSend(Symbol(),OP_SELL,Lots,Bid,Slippage,SL,TP);
                  }else OpSell();
               }
            }
         */
         }
      }
   RefreshMarkets();
   RefreshRates();
   if(Purp>0 && AccountEquity()>=Purp){
      CloseSell();
      CloseBuy();
      if(PurpStep==0) Purp=0;
      else Purp+=PurpStep;
      //ObjectSetText("P_Purp",DoubleToStr(Purp,DepositDigits),F_Size,F_Family,C_Preset);
      }
   
   //TRALLING PROFIT
   if(TrallingProfit>0){
      if(Bid>TopBuy+TrallingProfit*Point && TopBuy!=0){
         OpBuy();
         TotalStopLoss(Bid-NormalizeDouble(TrallingProfit/2,0)*Point);
         }
      if(Ask<BotSell-TrallingProfit*Point && BotSell!=0){
         OpSell();
         TotalStopLoss(Ask+NormalizeDouble(TrallingProfit/2,0)*Point);
         }
      }
   
   //TRALLING ESCAPE
   if(EscapeTralling>0){
      if(Ask>TopSell+EscapeTralling*Point && TopSell!=0) OpSell();
      if(Bid<BotBuy-EscapeTralling*Point && BotBuy!=0) OpBuy();
      }
   
   //STRATEGY
    
   /*********************/


//----
   return(0);
  }
//+------------------------------------------------------------------+

int RefreshMarkets(){
   Orders=OrdersTotal();
   Sells=0;
   Buys=0;
   TopSell=0;
   TopBuy=0;
   BotSell=0;
   BotBuy=0;
   for(i=Orders-1;i>=0;i--){
      OrderSelect(i,SELECT_BY_POS);
      if(OrderType()==OP_BUY && OrderSymbol()==Symbol()){
         Buys++;
         if(OrderOpenPrice()>TopBuy || TopBuy==0) TopBuy=OrderOpenPrice();
         if(OrderOpenPrice()<BotBuy || BotBuy==0) BotBuy=OrderOpenPrice();
         }
      if(OrderType()==OP_SELL && OrderSymbol()==Symbol()){
         Sells++;
         if(OrderOpenPrice()>TopSell || TopSell==0) TopSell=OrderOpenPrice();
         if(OrderOpenPrice()<BotSell || BotSell==0) BotSell=OrderOpenPrice();
         }
      }
   return(0);
   }
int CloseSell(){
   Orders=OrdersTotal();
   for(i=Orders-1;i>=0;i--){
      OrderSelect(i,SELECT_BY_POS);
      if(OrderType()==OP_SELL && OrderSymbol()==Symbol()){
         
         RefreshRates();
         if(OrderClose(OrderTicket(),OrderLots(),Ask,Slippage)==true)
         PlaySound("ok.wav");
         //else Alert(GetLastError());
         }
      }
   return(0);
   }
int CloseBuy(){
   Orders=OrdersTotal();
   for(i=Orders-1;i>=0;i--){
      OrderSelect(i,SELECT_BY_POS);
      if(OrderType()==OP_BUY && OrderSymbol()==Symbol()){
         RefreshRates();
         if(OrderClose(OrderTicket(),OrderLots(),Bid,Slippage)==true)
         PlaySound("ok.wav");
         //else Alert(GetLastError());
         }
      }
   return(0);
   }
int OpSell(){
   RefreshRates();
   if(StopLoss>0) SL=Bid+StopLoss*Point; else SL=0;
   if(TakeProfit>0) TP=Bid-TakeProfit*Point; else TP=0;
   Tic=OrderSend(Symbol(),OP_SELL,Lots,Bid,Slippage,SL,TP);
   if(Tic>0){
      PlaySound("ok.wav");
      //ObjectCreate("XP_DOWN",OBJ_HLINE,0,0,0);
      //ObjectSet("XP_DOWN",OBJPROP_COLOR,Blue);
      //ObjectSet("XP_DOWN",OBJPROP_STYLE,3);
      //if(XP>0) ObjectSet("XP_DOWN",OBJPROP_PRICE1,Bid-XP);
      }
   //else Print(Lots);
   return(0);
   }
int OpBuy(){
   RefreshRates();
   if(StopLoss>0) SL=Ask-StopLoss*Point; else SL=0;
   if(TakeProfit>0) TP=Ask+TakeProfit*Point; else TP=0;
   Tic=OrderSend(Symbol(),OP_BUY,Lots,Ask,Slippage,SL,TP);
   if(Tic>0){
      PlaySound("ok.wav");
      //ObjectCreate("XP_UP",OBJ_HLINE,0,0,0);
      //ObjectSet("XP_UP",OBJPROP_COLOR,Blue);
      //ObjectSet("XP_UP",OBJPROP_STYLE,3);
      //if(XP>0) ObjectSet("XP_UP",OBJPROP_PRICE1,Ask+XP);
      }
   //else Print(Lots);
   return(0);
   }
int TotalStopLoss(double Price){
   RefreshRates();
   Orders=OrdersTotal();
   for(i=Orders-1;i>=0;i--){
      OrderSelect(i,SELECT_BY_POS);
      if(OrderType()==OP_BUY && Price<Bid && OrderSymbol()==Symbol()){
         OrderModify(OrderTicket(),OrderOpenPrice(),Price,OrderTakeProfit(),0);
         }
      if(OrderType()==OP_SELL && Price>Ask && OrderSymbol()==Symbol()){
         OrderModify(OrderTicket(),OrderOpenPrice(),Price,OrderTakeProfit(),0);
         }
      }
   }
int once(){
   Trading=0;
   RefreshMarkets();
   if(
      iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,1,1)>iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,2,1)&&
      iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,1,2)<=iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,2,2)
      ){
      if(Reverse==1) CloseSell();
      OpBuy();
      }
   if(
      iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,1,1)<iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,2,1)&&
      iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,1,2)>=iCustom(Symbol(),0,"MACD++",FastEMA,SlowEMA,SignalSMA1,SignalSMA2,2,2)
      ){
      if(Reverse==1) CloseBuy();
      OpSell();
      }
   
   }