/*

Original Formula

WH:=HHV(HIGH,5);
WL:=LLV(LOW,5);
WBP:=(HHV(HIGH,5)+LLV(LOW,5)+CLOSE)/3;

RBAND:=VALUEWHEN(1,CROSS(MOV(WBP,25,S),WBP),
HHV(WH,25));


SBAND:=VALUEWHEN(1,CROSS(WBP,MOV(WBP,25,S)),
LLV(WL,25));

MSWNG:=(RBAND+SBAND)/2;

*/


#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Red
#property indicator_color2 Green
#property indicator_color3 Gray

//---- input parameters
extern int ShortPeriod=5;
extern int LongPeriod=25;

//---- buffers  WHH=HHV(WH,25);WLL=LLV(WL,25);WBP_MA=MOV(WBP,25,S)
double S[];
double R[];
double MS[];
double WBP[],WBP_MA[];



//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
//---- 3 additional buffers are used for counting.
   IndicatorBuffers(5);
//---- name for DataWindow and indicator subwindow label


   SetIndexBuffer(3, WBP);

   SetIndexBuffer(4, WBP_MA);



//----
   SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
   SetIndexBuffer(0, R);
   SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);SetIndexBuffer(1, S);
   SetIndexStyle(2,DRAW_LINE,STYLE_DASHDOT,2);SetIndexBuffer(2, MS);  
   short_name="Dynamic Support/Resistance";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"Dynamic Resistance");
   SetIndexLabel(1,"Dynamic Support");
   SetIndexLabel(2,"MeanSwing");
   SetIndexDrawBegin(0,LongPeriod);
 SetIndexDrawBegin(1,LongPeriod);
  SetIndexDrawBegin(2,LongPeriod); 
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Dynamic Support/Resistance                                        |
//+------------------------------------------------------------------+
int start()
  {
   int    i,k,counted_bars=IndicatorCounted();
   
   if(Bars<=LongPeriod) return(0);
//---- initial zero

//---- last counted bar will be recounted
   int limit=Bars-counted_bars;
   if(counted_bars>0) limit++; else { i=limit;
            {R[i]=High[i];S[i]=Low[i];}
          }

//---- WH,WL,WBP calculation

   for(i=0; i<limit; i++)
      WBP[i] = (High[Highest(NULL,0,MODE_HIGH,ShortPeriod,i)] + Low[Lowest(NULL,0,MODE_LOW,ShortPeriod,i)] + Close[i])/3;


//---- WBP MA calculation
for(i=0; i<limit; i++)
WBP_MA[i]=iMAOnArray(WBP,Bars,LongPeriod,0,MODE_SMA,i);



//---- Drawing Lines
for(i=limit-1; i>=0; i--)
  if (WBP[i+1]>WBP_MA[i+1] && WBP[i]<WBP_MA[i])
      R[i]=High[Highest(NULL,0,MODE_HIGH,ShortPeriod+LongPeriod,i)];
        else R[i]=R[i+1];
for(i=limit-1; i>=0; i--)
   if (WBP[i+1]<WBP_MA[i+1] && WBP[i]>WBP_MA[i])
      S[i]=Low[Lowest(NULL,0,MODE_LOW,ShortPeriod+LongPeriod,i)];
        else S[i]=S[i+1];
   for(i=0; i<limit; i++)
      MS[i]=(R[i]+S[i])/2;
/**/
   return(0);
  }
//+------------------------------------------------------------------+