Macd_Support_and_Resistance

//+------------------------------------------------------------------+
//|                                  Macd Support and Resistance.mq4 |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Alksnis Gatis"
#property link      "2xpoint@gmail.com"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Violet
#property indicator_color2 Lime
#property indicator_color3 Red
#property indicator_color4 Blue
extern string x="macd option";
extern int FEMA    =8;
extern int SEMA    =24;
extern int SMA     =10;
extern string x2="timeframe- 0=current";
extern int PERIOD=0;
extern string x3="variant -100  100";
extern int variant=-2;
//---- buffers
double g1[];
double g2[];
double g3[];
double g4[];
double val1;
double val2;
double val3;
double val4;
int i;
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+  
int init()
  {
   IndicatorBuffers(4);
//---- drawing settings
   SetIndexArrow(0,158);
   SetIndexArrow(1,158);
//----  
   SetIndexStyle(0,DRAW_SECTION,STYLE_SOLID,2);
   //SetIndexDrawBegin(0,i-1);
   SetIndexBuffer(0,g1);
   SetIndexLabel(0,"Resistance");
//----    
   SetIndexStyle(1,DRAW_SECTION,STYLE_SOLID,2);
   //SetIndexDrawBegin(1,i-1);
   SetIndexBuffer(1,g2);
   SetIndexLabel(1,"Support");

//---- drawing settings
   SetIndexArrow(2,158);
   SetIndexArrow(3,158);
//----  
   SetIndexStyle(2,DRAW_SECTION,STYLE_DOT,2);
   //SetIndexDrawBegin(2,i-1);
   SetIndexBuffer(2,g3);
   SetIndexLabel(2,"Resistance1");
//----    
   SetIndexStyle(3,DRAW_SECTION,STYLE_DOT,2);
   //SetIndexDrawBegin(3,i-1);
   SetIndexBuffer(3,g4);
   SetIndexLabel(3,"Support1");

//---- 
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
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+MathAbs(variant);
   i=limit;
   
   while(i+variant>=0)
     {
      //1  
      val1=iMACD(NULL,PERIOD,FEMA,SEMA,SMA,PRICE_LOW,MODE_SIGNAL,i);

      if(val1>0)
         g1[i]=Low[i];
      else
         g1[i]=g1[i+variant];
      //2
      val2=iMACD(NULL,PERIOD,FEMA,SEMA,SMA,PRICE_HIGH,MODE_SIGNAL,i);

      if(val2<0)
         g2[i]=High[i];
      else
         g2[i]=g2[i+variant];
      //3  
      val3=iMACD(NULL,PERIOD,FEMA,SEMA,SMA,PRICE_LOW,MODE_MAIN,i);

      if(val3>0)
         g3[i]=Low[i];
      else
         g3[i]=g3[i+variant+1];
      //2
      val4=iMACD(NULL,PERIOD,FEMA,SEMA,SMA,PRICE_HIGH,MODE_MAIN,i);

      if(val4<0)
         g4[i]=High[i];
      else
         g4[i]=g4[i+variant+1];
      i--;

     }
   return(0);
  }
//+------------------------------------------------------------------+