//+------------------------------------------------------------------+
//|                                                 R2_Arrows_v4.mq4 |
//|           Copyright © 2007 , transport_david , David W Honeywell |
//|                                     hellonwheels.trans@gmail.com |
//+------------------------------------------------------------------+

#property copyright "Copyright © 2007 , transport_david , David W Honeywell"
#property link      "hellonwheels.trans@gmail.com"

#property indicator_chart_window

#property indicator_buffers 4

#property indicator_color1 DeepSkyBlue
#property indicator_color2 Coral
#property indicator_color3 White
#property indicator_color4 SlateGray

extern bool   Use_Hull            =   false;

extern string s1 = "---------------";
extern int    Ma_Periods          =     200;
extern int    Ma_Type_if_not_Hull =       0; // only if Use_Hull = false
extern int    Ma_Applied_Price    =       0;

extern string s2 = "---------------";
extern int    RsiPeriods          =       2;
extern int    Rsi_Applied_Price   =       0;

extern string s3 = "---------------";
extern int    BuyIfDay1RsiBelow   =      65; // 1st day of tracking must be < this setting
extern int    BuyIfDay3RsiBelow   =      65; // 3rd day must be < this setting

extern string s4 = "---------------";
extern int    SellIfDay1RsiAbove  =      35; // 1st day of tracking must be > this setting
extern int    SellIfDay3RsiAbove  =      35; // 3rd day must be > this setting

extern string s5 = "---------------";
extern int    CloseBuyIfRsiAbove  =      75;
extern int    CloseSellIfRsiBelow =      25;

extern string s6 = "---------------";
extern int    ShowBars            =   10000;

double Trend_Ma[];
double Sell_Arrow[];
double Buy_Arrow[];
double Close_Trade_Marker[];
double Calc[];

double prevtime;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   
   IndicatorBuffers(5);
   
   SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
   SetIndexEmptyValue(0,0.0);
   SetIndexBuffer(0,Trend_Ma);
   SetIndexLabel(0,"Trend_Ma_Periods ( "+Ma_Periods+" )");
   
   SetIndexEmptyValue(1,0.0);
   SetIndexStyle(1,DRAW_ARROW);
   SetIndexArrow(1,234);
   SetIndexBuffer(1,Sell_Arrow);
   SetIndexLabel(1,"Sell_Arrow ( RsiPeriods "+RsiPeriods+" )");
   
   SetIndexEmptyValue(2,0.0);
   SetIndexStyle(2,DRAW_ARROW);
   SetIndexArrow(2,233);
   SetIndexBuffer(2,Buy_Arrow);
   SetIndexLabel(2,"Buy_Arrow ( RsiPeriods "+RsiPeriods+" )");
   
   SetIndexEmptyValue(3,0.0);
   SetIndexStyle(3,DRAW_ARROW);
   SetIndexArrow(3,172);
   SetIndexBuffer(3,Close_Trade_Marker);
   SetIndexLabel(3,"Close_Trade_Marker");
   
   SetIndexEmptyValue(4,0.0);
   SetIndexBuffer(4,Calc);
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
//----
   int shift = ShowBars;
   
   if (ShowBars > Bars) ShowBars = Bars;
   
   for ( shift = ShowBars; shift >= 0; shift-- )
    {
      
      double Exp = 2;
      
      double firstwma = iMA(Symbol(),0,MathFloor(Ma_Periods/2),0,MODE_LWMA,Ma_Applied_Price,shift);
      
      double secondwma = iMA(Symbol(),0,Ma_Periods,0,MODE_LWMA,Ma_Applied_Price,shift);
      
      Calc[shift] = (Exp*firstwma)-secondwma;
      
    }
   if (Use_Hull)
    {
     for ( shift = ShowBars; shift >= 0; shift-- )
      {
       
       Trend_Ma[shift] = iMAOnArray(Calc,0,MathFloor(MathSqrt(Ma_Periods)),0,MODE_LWMA,shift);
       
       if (prevtime != Time[0]) { RefreshRates(); prevtime=Time[0]; } 
       
       double Day1 = iRSI(Symbol(),0,RsiPeriods,Rsi_Applied_Price,shift+3);
       double Day2 = iRSI(Symbol(),0,RsiPeriods,Rsi_Applied_Price,shift+2);
       double Day3 = iRSI(Symbol(),0,RsiPeriods,Rsi_Applied_Price,shift+1);
       
       //- Sell Arrows ---
       
       if ( (iClose(Symbol(),0,shift+1) < Trend_Ma[shift+1]) && (Day1 > SellIfDay1RsiAbove) && (Day2 > Day1) && (Day3 > Day2) && (Day3 > SellIfDay3RsiAbove) )
          
          Sell_Arrow[shift] = iHigh(Symbol(),0,shift) + (20*Point);//High arrow Sell
       
       //- Buy Arrows ---
       
       if ( (iClose(Symbol(),0,shift+1) > Trend_Ma[shift+1]) && (Day1 < BuyIfDay1RsiBelow) && (Day2 < Day1) && (Day3 < Day2) && (Day3 < BuyIfDay3RsiBelow) )
          
          Buy_Arrow[shift] = iLow(Symbol(),0,shift) - (20*Point);//Low arrow Buy 
       
       //- Close Trades Marker ---
       
       if (Day3 < CloseSellIfRsiBelow)
         
          Close_Trade_Marker[shift] = iLow(Symbol(),0,shift) - (50*Point);
       
       if (Day3 > CloseBuyIfRsiAbove)
         
          Close_Trade_Marker[shift] = iHigh(Symbol(),0,shift) + (50*Point);
      
      }
      return(0);
    }
   
   if (!Use_Hull)
    {
     for ( shift = ShowBars; shift >= 0; shift-- )
      {
       
       Trend_Ma[shift] = iMA( Symbol(), 0, Ma_Periods, 0, Ma_Type_if_not_Hull, Ma_Applied_Price, shift);
       
       if (prevtime != Time[0]) { RefreshRates(); prevtime=Time[0]; } 
       
       Day1 = iRSI(Symbol(),0,RsiPeriods,Rsi_Applied_Price,shift+3);
       Day2 = iRSI(Symbol(),0,RsiPeriods,Rsi_Applied_Price,shift+2);
       Day3 = iRSI(Symbol(),0,RsiPeriods,Rsi_Applied_Price,shift+1);
       
       //- Sell Arrows ---
       
       if ( (iClose(Symbol(),0,shift+1) < Trend_Ma[shift+1]) && (Day1 > SellIfDay1RsiAbove) && (Day2 > Day1) && (Day3 > Day2) && (Day3 > SellIfDay3RsiAbove) )
          
          Sell_Arrow[shift] = iHigh(Symbol(),0,shift) + (20*Point); // High arrow Sell
       
       //- Buy Arrows ---
       
       if ( (iClose(Symbol(),0,shift+1) > Trend_Ma[shift+1]) && (Day1 < BuyIfDay1RsiBelow) && (Day2 < Day1) && (Day3 < Day2) && (Day3 < BuyIfDay3RsiBelow) )
          
          Buy_Arrow[shift] = iLow(Symbol(),0,shift) - (20*Point); // Low arrow Buy 
       
       //- Close Trades Marker ---
       
       if (Day3 < CloseSellIfRsiBelow)
          
          Close_Trade_Marker[shift] = iLow(Symbol(),0,shift) - (50*Point);
       
       if (Day3 > CloseBuyIfRsiAbove)
          
          Close_Trade_Marker[shift] = iHigh(Symbol(),0,shift) + (50*Point);
      
      }
      return(0);
    }
   
//----
   return(0);
  }
//+------------------------------------------------------------------+