AFStar

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

//|                                                       AFStar.mq5 |

//|                                  Copyright © 2005, Forex-Experts |

//|                                     http://www.forex-experts.com |

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

//--- 02B>@AB2> 8=48:0B>@0

#property copyright "Copyright © 2005, Forex-Experts"

//--- AAK;:0 =0 A09B 02B>@0

#property link      "http://www.forex-experts.com"

//--- =><5@ 25@A88 8=48:0B>@0

#property version   "1.10"

//--- >B@8A>2:0 8=48:0B>@0 2 3;02=>< >:=5

#property indicator_chart_window 

//--- 4;O @0AG5B0 8 >B@8A>2:8 8=48:0B>@0 8A?>;L7>20=> B@8 1CD5@0

#property indicator_buffers 3

//--- 8A?>;L7>20=> 2A53> 420 3@0D8G5A:8E ?>AB@>5=8O

#property indicator_plots   2

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

//|  0@0<5B@K >B@8A>2:8 <54256L53> 8=48:0B>@0   |

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

//--- >B@8A>2:0 8=48:0B>@0 1 2 2845 A8<2>;0

#property indicator_type1   DRAW_ARROW

//--- 2 :0G5AB25 F25B0 <54256L59 ;8=88 8=48:0B>@0 8A?>;L7>20= >@0=652K9 F25B

#property indicator_color1  clrOrange

//--- B>;I8=0 ;8=88 8=48:0B>@0 1 @02=0 2

#property indicator_width1  2

//--- >B>1@065=85 1KG59 <5B:8 8=48:0B>@0

#property indicator_label1  "AFStar Sell"

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

//|  0@0<5B@K >B@8A>2:8 1KGL3> 8=48:0B>@0       |

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

//--- >B@8A>2:0 8=48:0B>@0 2 2 2845 A8<2>;0

#property indicator_type2   DRAW_ARROW

//--- 2 :0G5AB25 F25B0 1KG59 ;8=88 8=48:0B>@0 8A?>;L7>20= A8=89 F25B

#property indicator_color2  clrBlue

//--- B>;I8=0 ;8=88 8=48:0B>@0 2 @02=0 2

#property indicator_width2  2

//--- >B>1@065=85 <54256L59 <5B:8 8=48:0B>@0

#property indicator_label2 "AFStar Buy"

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

//|  >1JO2;5=85 :>=AB0=B                         |

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

#define RESET  0 // >=AB0=B0 4;O 2>72@0B0 B5@<8=0;C :><0=4K =0 ?5@5AGQB 8=48:0B>@0

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

//| E>4=K5 ?0@0<5B@K 8=48:0B>@0                 |

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

input double StartFast=3;

input double EndFast=3.5;

input double StartSlow=8;

input double EndSlow=9;

input double StepPeriod=0.2;

input double StartRisk=1;

input double EndRisk=2.8;

input double StepRisk=0.5;

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

//--- >1JO2;5=85 48=0<8G5A:8E <0AA82>2, :>B>@K5 2 40;L=59H5< 1C4CB 8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2

double SellBuffer[],BuyBuffer[],Table_value2[];

//---

int min_rates_total;

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

//| Custom indicator initialization function                         |

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

int OnInit()

  {

//--- 8=8F80;870F8O 3;>10;L=KE ?5@5<5==KE 

   min_rates_total=12;



//--- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(0,SellBuffer,INDICATOR_DATA);

//--- >ACI5AB2;5=85 A42830 =0G0;0 >BAG5B0 >B@8A>2:8 8=48:0B>@0 1

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

//--- A8<2>; 4;O 8=48:0B>@0

   PlotIndexSetInteger(0,PLOT_ARROW,234);

//--- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(SellBuffer,true);

//--- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(1,BuyBuffer,INDICATOR_DATA);

//--- >ACI5AB2;5=85 A42830 =0G0;0 >BAG5B0 >B@8A>2:8 8=48:0B>@0 2

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);

//--- A8<2>; 4;O 8=48:0B>@0

   PlotIndexSetInteger(1,PLOT_ARROW,233);

//--- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(BuyBuffer,true);

//--- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(2,Table_value2,INDICATOR_CALCULATIONS);

//--- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(Table_value2,true);

//--- #AB0=>2:0 D>@<0B0 B>G=>AB8 >B>1@065=8O 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

//--- 8<O 4;O >:>= 40==KE 8 <5B:0 4;O ?>4>:>= 

   string short_name="AFStar";

   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

//---   

   return(INIT_SUCCEEDED);

  }

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

//| Custom indicator iteration function                              |

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

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

//--- ?@>25@:0 :>;8G5AB20 10@>2 =0 4>AB0B>G=>ABL 4;O @0AG5B0

   if(rates_total<min_rates_total) return(RESET);



//--- >1JO2;5=8O ;>:0;L=KE ?5@5<5==KE 

   int limit,bar;

   double Buy,Sell,RiskCnt;

   int Counter,i1;

   double value10,value11;

   int Sell1,Buy1;

   double Sell2,Buy2;

   int EndScan1,EndScan2;

   double x1,x2;

   double FastCnt,SlowCnt;

   double value2,value3,FastPer,SlowPer;

   double TrueCount,Range=0,AvgRange,MRO1,MRO2;

   double iMaSlowPrevious,iMaSlowCurrent,iMaFastPrevious,iMaFastCurrent;

   static int Sell1_prev,Buy1_prev;

   static double Sell2_prev,Buy2_prev;



//--- @0AG5BK =5>1E>48<>3> :>;8G5AB20 :>?8@C5<KE 40==KE 8

//AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AG5B0 10@>2

   if(prev_calculated>rates_total || prev_calculated<=0)// ?@>25@:0 =0 ?5@2K9 AB0@B @0AG5B0 8=48:0B>@0

     {

      limit=rates_total-min_rates_total; // AB0@B>2K9 =><5@ 4;O @0AG5B0 2A5E 10@>2

      for(bar=rates_total-1; bar>=0 && !IsStopped(); bar--) Table_value2[bar]=NULL;

      Sell1_prev=0;

      Buy1_prev=0;

      Sell2_prev=0;

      Buy2_prev=999999999;

     }

   else

     {

      limit=rates_total-prev_calculated; // AB0@B>2K9 =><5@ 4;O @0AG5B0 =>2KE 10@>2

     }



//--- 8=45:A0F8O M;5<5=B>2 2 <0AA820E :0: 2 B09<A5@8OE  

   ArraySetAsSeries(open,true);

   ArraySetAsSeries(close,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);



//--- >A=>2=>9 F8:; @0AG5B0 8=48:0B>@0

   for(bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      Table_value2[bar]=NULL;

      Sell1=0;

      Buy1=0;

      EndScan1=0;

      SlowCnt=StartSlow;

      while(SlowCnt<=EndSlow)

        {

         if(EndScan1==1) break;

         FastCnt=StartFast;

         while(FastCnt<=EndFast)

           {

            if(EndScan1==1) break;



            SlowPer=2.0/(SlowCnt+1.0);

            FastPer=2.0/(FastCnt+1.0);



            iMaSlowCurrent=close[bar]*SlowPer+close[bar+1]*(1-SlowPer);

            iMaSlowPrevious=close[bar+1]*SlowPer+close[bar+2]*(1-SlowPer);

            iMaFastCurrent=close[bar]*FastPer+close[bar+1]*(1-FastPer);

            iMaFastPrevious=close[bar+1]*FastPer+close[bar+2]*(1-FastPer);



            if(iMaFastPrevious<iMaSlowPrevious && iMaFastCurrent>iMaSlowCurrent) { EndScan1=1; Buy1=1;}

            if(iMaFastPrevious>iMaSlowPrevious && iMaFastCurrent<iMaSlowCurrent) { EndScan1=1; Sell1=1;}

            FastCnt+=StepPeriod;

           }

         SlowCnt+=StepPeriod;

        }

        

      EndScan2=0;

      Sell2=0;

      Buy2=0;

      RiskCnt=StartRisk;



      if(RiskCnt<=EndRisk)

        {

         if(EndScan2!=1)

           {

            value10=3+RiskCnt*2;

            x1=67+RiskCnt;

            x2=33-RiskCnt;

            value11=value10;

            Range=NULL;

            AvgRange=NULL;

            for(Counter=bar+9; Counter>=bar; Counter--) AvgRange+=MathAbs(high[Counter]-low[Counter]);

            Range=AvgRange/10;

            Counter=bar;

            TrueCount=0;

            while(Counter<bar+9 && TrueCount<1)

              {

               if(MathAbs(open[Counter]-close[Counter+1])>=Range*2.0) TrueCount++;

               Counter++;

              }

            if(TrueCount>=1) MRO1=Counter;

            else MRO1=-1;



            Counter=bar;

            TrueCount=0;

            while(Counter<bar+6 && TrueCount<1)

              {

               if(MathAbs(close[Counter+3]-close[Counter])>=Range*4.6) TrueCount++;

               Counter++;

              }

            if(TrueCount>=1) MRO2=Counter;

            else MRO2=-1;



            if(MRO1>-1) value11=3;

            else value11=value10;



            if(MRO2>-1) value11=4;

            else value11=value10;



            value2=100-MathAbs(GetWPR(int(value11),bar,high,low,close));

            Table_value2[bar]=value2;

            value3=0;



            if(value2<x2)

              {

               i1=1;

               while(Table_value2[bar+i1]>=x2 && Table_value2[bar+i1]<=x1) i1++;

               if(Table_value2[bar+i1]>x1)

                 {

                  value3=high[bar]+Range*0.5;

                  Sell2=value3;

                 }

              }



            if(value2>x1)

              {

               i1=1;

               while(Table_value2[bar+i1]>=x2 && Table_value2[bar+i1]<=x1) i1++;

               if(Table_value2[bar+i1]<x2)

                 {

                  value3=low[bar]-Range*0.5;

                  Buy2=value3;

                 }

              }

           }

         if(Buy2>0 || Sell2>0) EndScan2=1;

         RiskCnt+=StepRisk;

        }



      Buy=NULL;

      Sell=NULL;

      if((Buy1>0 && Buy2>0) || (Buy1>0 && Buy2_prev>0) || (Buy1_prev>0 && Buy2>0)) Buy=low[bar]-0.3*Range;

      if((Sell1>0 && Sell2>0) || (Sell1>0 && Sell2_prev>0) || (Sell1_prev>0 && Sell2>0)) Sell=high[bar]+0.3*Range;

      //Ignore if we have two signals

      if(Buy && Sell)

        {

         Buy=NULL;

         Sell=NULL;

        }

      BuyBuffer[bar]=Buy;

      SellBuffer[bar]=Sell;

      //---

      if(bar)

        {

         Sell1_prev=Sell1;

         Buy1_prev=Buy1;

         Sell2_prev=Sell2;

         Buy2_prev=Buy2;

        }

     }

//---     

   return(rates_total);

  }

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

// 2KG8A;5=85 >AF8;;OB>@0 WPR                                        |

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

double GetWPR(int period,int index,const double &High[],const double &Low[],const double &Close[])

  {

//----

   double WPR=-50;

   static double WPR_prev=-50;

//--- calculate maximum High

   double dMaxHigh=High[ArrayMaximum(High,index,period)];;

//--- calculate minimum Low

   double dMinLow=Low[ArrayMinimum(Low,index,period)];

//--- calculate WPR

   double res=dMaxHigh-dMinLow;

   if(res) WPR=-(dMaxHigh-Close[index])*100/res;

   else WPR=WPR_prev;

   if(index) WPR_prev=WPR;

//----

   return(WPR);

  }

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