Pivot Points

//+------------------------------------------------------------------+
//|                                                 Pivot Points.mq4 |
//|                                                          Akuma99 |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Akuma99"
#property link      ""

#property indicator_chart_window
#property indicator_buffers 7
#property indicator_color1 DarkGreen
#property indicator_color2 Green
#property indicator_color3 YellowGreen
#property indicator_color4 Navy
#property indicator_color5 Maroon
#property indicator_color6 Orange
#property indicator_color7 Red

double PivotBuffer0[]; //r3
double PivotBuffer1[]; //r2
double PivotBuffer2[]; //r1
double PivotBuffer3[]; //p
double PivotBuffer4[]; //s1
double PivotBuffer5[]; //s2
double PivotBuffer6[]; //s3

int init() {

   SetIndexStyle(0,DRAW_LINE, 0, 2);
   SetIndexBuffer(0,PivotBuffer0);
   SetIndexEmptyValue(0,0.0);
   SetIndexLabel(0,"Resistance 3");
   SetIndexStyle(1,DRAW_LINE, 0, 2);
   SetIndexBuffer(1,PivotBuffer1);
   SetIndexEmptyValue(1,0.0);
   SetIndexLabel(1,"Resistance 2");
   SetIndexStyle(2,DRAW_LINE, 0, 2);
   SetIndexBuffer(2,PivotBuffer2);
   SetIndexEmptyValue(2,0.0);
   SetIndexLabel(2,"Resistance 1");
   SetIndexStyle(3,DRAW_LINE, 0, 2);
   SetIndexBuffer(3,PivotBuffer3);
   SetIndexEmptyValue(3,0.0);
   SetIndexLabel(3,"Pivot");
   SetIndexStyle(4,DRAW_LINE, 0, 2);
   SetIndexBuffer(4,PivotBuffer4);
   SetIndexEmptyValue(4,0.0);
   SetIndexLabel(4,"Support 1");
   SetIndexStyle(5,DRAW_LINE, 0, 2);
   SetIndexBuffer(5,PivotBuffer5);
   SetIndexEmptyValue(5,0.0);
   SetIndexLabel(5,"Support 2");
   SetIndexStyle(6,DRAW_LINE, 0, 2);
   SetIndexBuffer(6,PivotBuffer6);
   SetIndexEmptyValue(6,0.0);
   SetIndexLabel(6,"Support 3");
   return(0);

}

int start() {
   
   int counted_bars = IndicatorCounted();
   double yHigh, yLow, yClose, p, r3, r2, r1, s3, s2, s1;
   int limit=Bars-counted_bars;
   
   yHigh = iHigh(NULL, PERIOD_D1, 1);
   yLow = iLow(NULL, PERIOD_D1, 1);
   yClose = iClose(NULL, PERIOD_D1, 1);
   
   p = (yHigh+yLow+yClose)/3;
   r1 = 2*p-yLow;
   s1 = 2*p-yHigh; 
   s2 = p-(r1-s1);
   r2 = p+(r1-s1);
   s3 = 2*p - (2 * yHigh - yLow);
   r3 = 2*p + (yHigh - 2 * yLow);

   for(int i=0; i<limit; i++) {
      PivotBuffer0[i] = r3;
      PivotBuffer1[i] = r2;
      PivotBuffer2[i] = r1;
      PivotBuffer3[i] = p;
      PivotBuffer4[i] = s1;
      PivotBuffer5[i] = s2;
      PivotBuffer6[i] = s3;
   }
   
   return(0);

}