MA_in_color_d

//+------------------------------------------------------------------+
//|                                                MA_In_Color.mq4   |
//|                      Copyright © 2004, MetaQuotes Software Corp. |
//| Modified from LSMA_In_Color to use any MA by Robert Hill         |     
//+------------------------------------------------------------------+
//mod
#property  copyright "Copyright © 2006, FX Sniper and Robert Hill"
#property  link      "http://www.metaquotes.net/"

//---- indicator settings

#property  indicator_chart_window
#property  indicator_buffers 5
#property indicator_color1 Yellow      
#property indicator_color2 Green
#property indicator_color3 Red
#property indicator_color4 DodgerBlue
#property indicator_color5 OrangeRed

extern int       MAPeriod=5;
extern int       MAType=1;
extern bool      dots =1;
extern string    MA_Method_Price = "SMA0 EMA1 SMMA2 LWMA3 LSMA4||0O,1C 2H3L,4Md 5Tp 6WghC: Md(HL/2)4,Tp(HLC/3)5,Wgh(HLCC/4)6";

//---- buffers

double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];
double ExtMapBuffer5[];

//---- variables

int    MAMode;
string strMAType;


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   IndicatorBuffers(5);
   
//---- drawing settings
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexBuffer(2,ExtMapBuffer3);
   
   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexStyle(2,DRAW_LINE);

   if (dots)
   {
   SetIndexStyle  (3,DRAW_ARROW);
   SetIndexStyle  (4,DRAW_ARROW);
   SetIndexArrow  (3,159);
   SetIndexArrow  (4,159);
   SetIndexEmptyValue(3,EMPTY_VALUE);
   SetIndexEmptyValue(4,EMPTY_VALUE);

   SetIndexBuffer (3,ExtMapBuffer4);
   SetIndexBuffer (4,ExtMapBuffer5);
   }

switch (MAType)
   {
      case 1: strMAType="EMA"; MAMode=MODE_EMA; break;
      case 2: strMAType="SMMA"; MAMode=MODE_SMMA; break;
      case 3: strMAType="LWMA"; MAMode=MODE_LWMA; break;
      case 4: strMAType="LSMA"; break;
      default: strMAType="SMA"; MAMode=MODE_SMA; break;
   }
   IndicatorShortName( strMAType+ " (" +MAPeriod + ") ");
//---- initialization done
   return(0);
  }

double LSMA(int Rperiod, int shift)
{
   int i;
   double sum;
   int length;
   double lengthvar;
   double tmp;
   double wt;

   length = Rperiod;
 
   sum = 0;
   for(i = length; i >= 1  ; i--)
   {
     lengthvar = length + 10;
     lengthvar /= 6;
     tmp = 0;
     tmp = ( i - lengthvar)*Close[length-i+shift];
     sum+=tmp;
    }
    wt = sum*6/(length*(length+1));
    
    return(wt);
}

int start()

  {
  
   double MA_Cur, MA_Prev;
   int limit;
   int counted_bars = IndicatorCounted();
   if (counted_bars<0) return(-1);
   if (counted_bars>0) counted_bars--;
   limit = Bars - counted_bars;

   for(int i=limit; i>=0; i--)
   {
      if (MAType == 4)
      {
        MA_Cur = LSMA(MAPeriod,i);
        MA_Prev = LSMA(MAPeriod,i+1);
      }
      else
      {
        MA_Cur  = iMA(NULL,0,MAPeriod,0,MAMode,PRICE_CLOSE,i);
        MA_Prev = iMA(NULL,0,MAPeriod,0,MAMode,PRICE_CLOSE,i+1);
      }
 
         
//========== COLOR CODING ===========================================               

       ExtMapBuffer1[i] = MA_Cur; 
       ExtMapBuffer2[i] = EMPTY_VALUE;       ExtMapBuffer3[i] = EMPTY_VALUE; 
       ExtMapBuffer4[i] = EMPTY_VALUE;       ExtMapBuffer5[i] = EMPTY_VALUE; 

       
       if (MA_Cur > MA_Prev ) { ExtMapBuffer2[i] = MA_Cur;   ExtMapBuffer4[i]= MA_Cur;
                                }
       else 

       if (MA_Cur < MA_Prev ) { ExtMapBuffer3[i] = MA_Cur;   ExtMapBuffer5[i]= MA_Cur;
                                }
 
        
     }
    
      return(0);
  }
//+------------------------------------------------------------------+