//+------------------------------------------------------------------+
//|                                              9Squared Trader.mq4 |
//|                                    Copyright © 2007 Steve Bowley |
//|                                        http://www.9squaredfx.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007 Steve Bowley"
#property link      "http://www.9squaredfx.com"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 ForestGreen
#property indicator_color2 Red
#property indicator_color3 Black
#property indicator_color4 Black
//---- input parameters
extern int FastClosePeriod=13;
extern int FastCloseShift=0;
extern int FastOpenPeriod=34;
extern int FastOpenShift=0;
extern int SlowClosePeriod=34;
extern int SlowCloseShift=0;
extern int SlowOpenPeriod=62;
extern int SlowOpenShift=0;
//---- indicator buffers
double ExtBlueBuffer[];
double ExtRedBuffer[];
double ExtDarkVioletBuffer[];
double ExtBlackBuffer[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- line shifts when drawing
   SetIndexShift(0,FastCloseShift);
   SetIndexShift(1,FastOpenShift);
   SetIndexShift(2,SlowCloseShift);
   SetIndexShift(3,SlowOpenShift);
//---- first positions skipped when drawing
   SetIndexDrawBegin(0,FastCloseShift+FastClosePeriod);
   SetIndexDrawBegin(1,FastOpenShift+FastOpenPeriod);
   SetIndexDrawBegin(2,SlowCloseShift+SlowClosePeriod);
   SetIndexDrawBegin(3,SlowOpenShift+SlowOpenPeriod);
//---- 3 indicator buffers mapping
   SetIndexBuffer(0,ExtBlueBuffer);
   SetIndexBuffer(1,ExtRedBuffer);
   SetIndexBuffer(2,ExtDarkVioletBuffer);
   SetIndexBuffer(3,ExtBlackBuffer);
//---- drawing settings
   SetIndexStyle(0,DRAW_HISTOGRAM,0,2);
   SetIndexStyle(1,DRAW_HISTOGRAM,0,2);
   SetIndexStyle(2,DRAW_NONE,0,2);
   SetIndexStyle(3,DRAW_NONE,0,2);
//---- index labels
   SetIndexLabel(0,"FastClose");
   SetIndexLabel(1,"FastOpen");
   SetIndexLabel(2,"SlowClose");
   SetIndexLabel(3,"SlowOpen");
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| 9Squared Trader                                             |
//+------------------------------------------------------------------+
int start()
  {
   int limit;
   int counted_bars=IndicatorCounted();
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
//---- main loop
   for(int i=0; i<limit; i++)
     {
      //---- ma_shift set to 0 because SetIndexShift called abowe
      ExtBlueBuffer[i]=iMA(NULL,0,FastClosePeriod,0,MODE_EMA,PRICE_CLOSE,i);
      ExtRedBuffer[i]=iMA(NULL,0,FastOpenPeriod,0,MODE_EMA,PRICE_OPEN,i);
      ExtDarkVioletBuffer[i]=iMA(NULL,0,SlowClosePeriod,0,MODE_EMA,PRICE_OPEN,i);
      ExtBlackBuffer[i]=iMA(NULL,0,SlowOpenPeriod,0,MODE_EMA,PRICE_MEDIAN,i);
     }
//---- done
   return(0);
  }
//+------------------------------------------------------------------+