#property copyright "*"
#property link      "*"

#define IND "ind_DivPeakTroughOsMA_SW_v1"

#property indicator_separate_window
#property indicator_buffers 6
#property indicator_color1 LimeGreen
#property indicator_color2 Maroon
#property indicator_color3 Red
#property indicator_color4 Green
#property indicator_color5 clrNONE
#property indicator_color6 clrNONE

#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2
#property indicator_width4 2

//---- input parameters
extern int OsMAFastPeriod=12;
extern int OsMASlowPeriod=26;
extern int OsMASignalPeriod=9;
extern int OsMAPrice=0;
extern int ExtrLeftBars=2; // баров слева от экстремума
extern int ExtrRightBars=1; // баров справа от экстремума
extern double PlusSens=0.0001;
extern double MinusSens=-0.0001;
bool DrawLinesSW=false;
bool DrawLinesChW=false;
color Col_Peak_1=Red;
color Col_Peak_2=DeepPink;
color Col_Trough_1=LimeGreen;
color Col_Trough_2=YellowGreen;
string ShortName0="ZX";
extern string ShortName="DPTOsMA";

//---- buffers
double PlusUp[];
double PlusDn[];
double MinusDn[];
double MinusUp[];
double Dot1[];
double Dot2[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_HISTOGRAM);
   SetIndexBuffer(0,PlusUp);
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(1,PlusDn);
   SetIndexStyle(2,DRAW_HISTOGRAM);
   SetIndexBuffer(2,MinusDn);
   SetIndexStyle(3,DRAW_HISTOGRAM);
   SetIndexBuffer(3,MinusUp);
   SetIndexStyle(4,DRAW_LINE);
   SetIndexBuffer(4,Dot1);
   SetIndexStyle(5,DRAW_LINE);
   SetIndexBuffer(5,Dot2);

   SetIndexLabel(0,"");
   SetIndexLabel(1,"");
   SetIndexLabel(2,"");
   SetIndexLabel(3,"");
   SetIndexLabel(4,"");
   SetIndexLabel(5,"");

   IndicatorShortName(ShortName);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars = IndicatorCounted();
   if(counted_bars < 0)  return(-1);
   if(counted_bars > 0)   counted_bars--;
   int limit = Bars - counted_bars;
   if(counted_bars==0) limit-=1+1;
   
   for(int i=limit-1;i>=0;i--)
     {
      PlusUp[i]=0;
      PlusDn[i]=0;
      MinusDn[i]=0;
      MinusUp[i]=0;

      double osc1=iCustom(NULL,0,IND,OsMAFastPeriod,OsMASlowPeriod,OsMASignalPeriod,OsMAPrice,ExtrLeftBars,ExtrRightBars,PlusSens,MinusSens,DrawLinesSW,DrawLinesChW,Col_Peak_1,Col_Peak_2,Col_Trough_1,Col_Trough_2,ShortName0,0,i);
      double osc2=iCustom(NULL,0,IND,OsMAFastPeriod,OsMASlowPeriod,OsMASignalPeriod,OsMAPrice,ExtrLeftBars,ExtrRightBars,PlusSens,MinusSens,DrawLinesSW,DrawLinesChW,Col_Peak_1,Col_Peak_2,Col_Trough_1,Col_Trough_2,ShortName0,0,i+1);
      Dot1[i]=iCustom(NULL,0,IND,OsMAFastPeriod,OsMASlowPeriod,OsMASignalPeriod,OsMAPrice,ExtrLeftBars,ExtrRightBars,PlusSens,MinusSens,DrawLinesSW,DrawLinesChW,Col_Peak_1,Col_Peak_2,Col_Trough_1,Col_Trough_2,ShortName0,1,i);
      Dot2[i]=iCustom(NULL,0,IND,OsMAFastPeriod,OsMASlowPeriod,OsMASignalPeriod,OsMAPrice,ExtrLeftBars,ExtrRightBars,PlusSens,MinusSens,DrawLinesSW,DrawLinesChW,Col_Peak_1,Col_Peak_2,Col_Trough_1,Col_Trough_2,ShortName0,2,i);

      int Case=0;
      if(osc1>0)
        {
         if(osc1>osc2)
           {
            Case=1;
           }
         if(osc1<osc2)
           {
            Case=2;
           }
        }
      if(osc1<0)
        {
         if(osc1<osc2)
           {
            Case=3;
           }
         if(osc1>osc2)
           {
            Case=4;
           }
        }
      if(Case==0)
        {
         if(PlusUp[i+1]!=0)
           {
            Case=1;
           }
         if(PlusDn[i+1]!=0)
           {
            Case=2;
           }
         if(MinusDn[i+1]!=0)
           {
            Case=3;
           }
         if(MinusUp[i+1]!=0)
           {
            Case=4;
           }
        }
      switch(Case)
        {
         case 1:
            PlusUp[i]=osc1;
            break;
         case 2:
            PlusDn[i]=osc1;
            break;
         case 3:
            MinusDn[i]=osc1;
            break;
         case 4:
            MinusUp[i]=osc1;
            break;
        }
     }
   return(0);
  }
//+------------------------------------------------------------------+