Bulls and bears

ÿþ//+------------------------------------------------------------------

#property copyright   "mladen"

#property link        "mladenfx@gmail.com"

#property description "Bulls and bears"

//+------------------------------------------------------------------

#property indicator_separate_window

#property indicator_buffers 6

#property indicator_plots   4

#property indicator_label1  "Bulls zone"

#property indicator_type1   DRAW_FILLING

#property indicator_color1  clrLightGreen

#property indicator_label2  "Bears zone"

#property indicator_type2   DRAW_FILLING

#property indicator_color2  clrLightGreen,clrWheat

#property indicator_label3  "Bulls value"

#property indicator_type3   DRAW_LINE

#property indicator_color3  clrLimeGreen

#property indicator_width3  2

#property indicator_label4  "Bears line"

#property indicator_type4   DRAW_LINE

#property indicator_color4  clrSandyBrown

#property indicator_width4  2

//--- input parameters

input int                inpBullBearPeriod=14;         // Bulls and bears period

//--- buffers declarations

double bullsh[],bullsz[],bullsl[],bearsh[],bearsl[],bearsz[];

//--- indicator handles

int _bullsHandle,_bearsHandle;

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int OnInit()

  {

//--- indicator buffers mapping

   SetIndexBuffer(0,bullsh,INDICATOR_DATA);

   SetIndexBuffer(1,bullsz,INDICATOR_DATA);

   SetIndexBuffer(2,bearsh,INDICATOR_DATA);

   SetIndexBuffer(3,bearsz,INDICATOR_DATA);

   SetIndexBuffer(4,bullsl,INDICATOR_DATA);

   SetIndexBuffer(5,bearsl,INDICATOR_DATA);

//--- indicator short name assignment

   _bullsHandle=iBullsPower(_Symbol,0,inpBullBearPeriod); if(_bullsHandle==INVALID_HANDLE) { return(INIT_FAILED); }

   _bearsHandle=iBearsPower(_Symbol,0,inpBullBearPeriod); if(_bullsHandle==INVALID_HANDLE) { IndicatorRelease(_bullsHandle); return(INIT_FAILED); }

   IndicatorSetString(INDICATOR_SHORTNAME,"Bulls and bears ("+(string)inpBullBearPeriod+")");

//---

   return (INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Custom indicator de-initialization function                      |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

  {

  }

//+------------------------------------------------------------------+

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+

int OnCalculate(const int rates_total,const int prev_calculated,const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

   if(Bars(_Symbol,_Period)<rates_total) return(prev_calculated);

   if(BarsCalculated(_bullsHandle)<rates_total) return(prev_calculated);

   if(BarsCalculated(_bullsHandle)<rates_total) return(prev_calculated);

   double _bullVal[1],_bearVal[1];

   int i=(int)MathMax(prev_calculated-1,1); for(; i<rates_total && !_StopFlag; i++)

     {

      int _bullCopied=CopyBuffer(_bullsHandle,0,time[i],1,_bullVal);

      int _bearCopied=CopyBuffer(_bearsHandle,0,time[i],1,_bearVal);

      bullsl[i] = (_bullCopied==1) ? _bullVal[0] : EMPTY_VALUE;

      bearsl[i] = (_bearCopied==1) ? _bearVal[0] : EMPTY_VALUE;

      bullsh[i] = MathMax(bullsl[i],0); bullsz[i] = 0;

      bearsh[i] = MathMin(bearsl[i],0); bearsz[i] = 0;

     }

   return (i);

  }

//+------------------------------------------------------------------+