//+----------------------------------------------------------------------+
//|                           Mid Pivot Resistance Historical_V1.mq4     |
//|                      Copyright © 2005, MetaQuotes Software Corp.     |
//|                                        http://www.metaquotes.net     |
//| Modified to chart historical camarilla pivots by MrPip               |
//| 3/28/06 Fixed problem of Sunday/Monday pivots                        |
//|         and added some ideas from goodtiding5 (Kenneth Z.)           |
//| Modified 4/14/07 to chart historical Mid Pivot resistance by Traden4x|
//+----------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_chart_window
#property indicator_buffers 5
#property indicator_color1 Blue
#property indicator_color2 Blue
#property indicator_color3 Blue
#property indicator_color4 Blue
#property indicator_color5 Yellow
#property indicator_width1 1
#property indicator_width2 1
#property indicator_width3 1
#property indicator_width4 1
#property indicator_width5 1


//---- input parameters

extern int  GMTshift=0;
extern color PivotNameColor = Yellow;
extern color HColor = Blue;
extern int fontsize=8;
extern int LabelShift=13;
extern int DaysDrawBack=15;
extern bool DisplayCurrentLines = true;

double MR4Buffer[];
double MR3Buffer[];
double MR2Buffer[];
double MR1Buffer[];
double PivotBuffer[];

double P, MR1, MR2, MR3, MR4, R1, R2, R3, R4;

double prev_high=0;
double prev_low=0;
double prev_close=0;
double cur_day=0;
double prev_day=0;
double day_high=0;
double day_low=0;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   IndicatorBuffers(5);
//---- indicators
   SetIndexStyle(0,DRAW_LINE, STYLE_DOT);
   SetIndexBuffer(0,MR4Buffer);
   SetIndexStyle(1,DRAW_LINE, STYLE_DOT);
   SetIndexBuffer(1,MR3Buffer);
   SetIndexStyle(2,DRAW_LINE, STYLE_DOT);
   SetIndexBuffer(2,MR2Buffer);
   SetIndexStyle(3,DRAW_LINE, STYLE_DOT);
   SetIndexBuffer(3,MR1Buffer);
   SetIndexStyle(4,DRAW_LINE, STYLE_DOT);
   SetIndexBuffer(4,PivotBuffer);
   
   SetIndexLabel(0,"MR4");
   SetIndexLabel(1,"MR3");
   SetIndexLabel(2,"MR2");
   SetIndexLabel(3,"MR1");
   SetIndexLabel(4,"Pivot");

   
//----
//   IndicatorShortName("Resistance Pivots");
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- TODO: add your code here
   ObjectDelete("CamPivot");
   ObjectDelete("ResMR1");
   ObjectDelete("ResMR2");
   ObjectDelete("ResMR3");
   ObjectDelete("ResMR4");
   ObjectDelete("CamPivotLine");
   ObjectDelete("ResMR1Line");
   ObjectDelete("ResMR2Line");
   ObjectDelete("ResMR3Line");
   ObjectDelete("ResMR4Line");
//----
   return(0);
  }

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int    counted_bars=DaysDrawBack*1440/Period();
   int cnt, limit;

//---- exit if period is greater than 4 hr charts
   if(Period() > 240)
   {
      Alert("Error - Chart period is greater than 4 Hr.");
      return(-1); // then exit
   }
   if(counted_bars<0) return(-1);

//---- last counted bar will be recounted
//   if(counted_bars>0) counted_bars--;

//   limit=(Bars-counted_bars)-1;
   limit=counted_bars;

//---- Get new daily prices & calculate pivots

   for (cnt=limit;cnt >=0;cnt--)
   {
   	if (TimeDayOfWeek(Time[cnt]) == 0)
	   {
        cur_day = prev_day;
	   }
	   else
	   {
        cur_day = TimeDay(Time[cnt]- (GMTshift*3600));
	   }
	   
   	if (prev_day != cur_day)
   	{
	   	prev_close = Close[cnt+1];
		   prev_high = day_high;
		   prev_low = day_low;

	      day_high = High[cnt];
 	      day_low  = Low[cnt];

P = (prev_high + prev_low + prev_close)/3;//Pivot
//---- To display all 8 Camarilla pivots remove comment symbols below and
// add the appropriate object functions below
R1 = (2*P)-prev_low;
R2 = P+(prev_high-prev_low);
R3 = P+2*(prev_high-prev_low);
R4 = P+3*(prev_high-prev_low);
MR1 = (P+R1)/2;
MR2 = (R1+R2)/2;
MR3 = (R2+R3)/2;
MR4 = (R3+R4)/2;


		   prev_day = cur_day;
	   }
      if (High[cnt]>day_high)
      {
         day_high = High[cnt];
      }
      if (Low[cnt]<day_low)
      {
         day_low = Low[cnt];
      }
      
      
      
//         day_low=Open[cnt]; day_high=Open[cnt];
      
      

//---  Draw  Pivot lines on chart

      PivotBuffer[cnt]=P;
      MR4Buffer[cnt]=MR4;
      MR3Buffer[cnt]=MR3;
      MR2Buffer[cnt]=MR2;
      MR1Buffer[cnt]=MR1;
      
   }

   if (cur_day == TimeDay(CurTime()))   DisplayLabels();
//----
   return(0);
  }

void DisplayLabels()
{

      SetLabel("CamPivot", "Pivot", P, PivotNameColor, LabelShift);
      SetLabel("ResMR1", "MR0.5", MR1, HColor, LabelShift);
      SetLabel("ResMR2", "MR1.5", MR2, HColor, LabelShift);
      SetLabel("ResMR3", "MR2.5", MR3, HColor, LabelShift);
      SetLabel("ResMR4", "MR3.5", MR4, HColor, LabelShift);

// Display Current Lines

     if (DisplayCurrentLines)
     {
      SetLine("CamPivotLine", P, PivotNameColor);
      SetLine("ResMR1Line", MR1, HColor);
      SetLine("ResMR2Line", MR2, HColor);
      SetLine("ResMR3Line", MR3, HColor);
      SetLine("ResMR4Line", MR4, HColor);
     }
     
}     

// put a label on the line   
void SetLabel(string textname, string text, double level, color col1, int LabelShift)
{
   double myLevel;
   int digits = MarketInfo(Symbol(), MODE_DIGITS);
   
   myLevel = NormalizeDouble(level, digits);
   
   

      if(ObjectFind(textname) != 0)
      {
      ObjectCreate(textname, OBJ_TEXT, 0, Time[LabelShift], myLevel);
      ObjectSetText(textname, "                                                 " + text + "   " + DoubleToStr(myLevel, digits), fontsize,"Arial",col1);
      }
      else
      {
         ObjectSetText(textname, "                                                 " + text + "   " + DoubleToStr(myLevel, digits), fontsize,"Arial",col1);
         ObjectMove(textname, 0, Time[LabelShift],myLevel);
      }
}
      
// create or move the horizontal line   
void SetLine(string linename, double level, color col1)
{

      if(ObjectFind(linename) != 0)
      {
      ObjectCreate(linename, OBJ_TREND, 0, Time[1], level, Time[0], level);
//      ObjectSet(linename, OBJPROP_STYLE, STYLE_DASHDOTDOT);
      ObjectSet(linename, OBJPROP_STYLE, STYLE_DASHDOTDOT);
      ObjectSet(linename, OBJPROP_COLOR, col1);
      ObjectSet(linename, OBJPROP_WIDTH, 1);
      }
      else
      {
      ObjectMove(linename, 1, Time[0], level);
      ObjectMove(linename, 0, Time[1], level);
      }
      
}
//+------------------------------------------------------------------+