#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 LawnGreen
#property indicator_color2 LawnGreen
#property indicator_color3 OrangeRed
#property indicator_color4 RoyalBlue


extern color color1 = Red;
extern color color2 = SkyBlue;
extern color color3 = Red;
extern color color4 = SkyBlue;
double gda_92[];
double gda_96[];
double gda_100[];
double gda_104[];
int gi_108 = 0;

int init() {
   SetIndexStyle(0, DRAW_HISTOGRAM, STYLE_SOLID, 1, color1);
   SetIndexBuffer(0, gda_92);
   SetIndexStyle(1, DRAW_HISTOGRAM, STYLE_SOLID, 1, color2);
   SetIndexBuffer(1, gda_96);
   SetIndexStyle(2, DRAW_HISTOGRAM, STYLE_SOLID, 3, color3);
   SetIndexBuffer(2, gda_100);
   SetIndexStyle(3, DRAW_HISTOGRAM, STYLE_SOLID, 3, color4);
   SetIndexBuffer(3, gda_104);
   SetIndexDrawBegin(0, 10);
   SetIndexDrawBegin(1, 10);
   SetIndexDrawBegin(2, 10);
   SetIndexDrawBegin(3, 10);
   SetIndexBuffer(0, gda_92);
   SetIndexBuffer(1, gda_96);
   SetIndexBuffer(2, gda_100);
   SetIndexBuffer(3, gda_104);
   return (0);
}

int deinit() {
   return (0);
}

int start() {
      
   double ld_0;
   double ld_8;
   double ld_16;
   double ld_24;
   if (Bars <= 10) return (0);
   gi_108 = IndicatorCounted();
   if (gi_108 < 0) return (-1);
   if (gi_108 > 0) gi_108--;
   for (int li_32 = Bars - gi_108 - 1; li_32 >= 0; li_32--) {
      ld_0 = (gda_100[li_32 + 1] + (gda_104[li_32 + 1])) / 2.0;
      ld_24 = (Open[li_32] + High[li_32] + Low[li_32] + Close[li_32]) / 4.0;
      ld_8 = MathMax(High[li_32], MathMax(ld_0, ld_24));
      ld_16 = MathMin(Low[li_32], MathMin(ld_0, ld_24));
      if (ld_0 < ld_24) {
         gda_92[li_32] = ld_16;
         gda_96[li_32] = ld_8;
      } else {
         gda_92[li_32] = ld_8;
         gda_96[li_32] = ld_16;
      }
      gda_100[li_32] = ld_0;
      gda_104[li_32] = ld_24;
   }
   return (0);
}