//+------------------------------------------------------------------+
//|                                                     Trigger Line |
//|                             Copyright © 2005 dwt5 and adoleh2000 |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2005 dwt5 and adoleh2000 "
#property  link      "http://www.metaquotes.net/"

//---- indicator settings
#property  indicator_chart_window
#property  indicator_buffers 4            
#property indicator_color1 Red      
#property indicator_color2 Red
#property indicator_color3 Blue
#property indicator_color4 Blue
//----
extern int Rperiod = 24;
extern int LSMA_Period = 6;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];
//----
int width;
int Draw4HowLong;
int shift;
int i;
int j;
int loopbegin;
int length;
int lsma_length;
double lengthvar;
double tmp ;
double tmp2 ;
double wt[];
double sum[];
double lsma_sum[];
double lsma_ma[];
double middle[];
int c;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- 7 additional buffers are used for counting.
   IndicatorBuffers(7);   
//---- drawing settings
   SetIndexBuffer(0, ExtMapBuffer1);
   SetIndexStyle(0, DRAW_LINE, STYLE_SOLID, 2);
   SetIndexBuffer(1, ExtMapBuffer2);
   SetIndexStyle(1, DRAW_LINE, STYLE_SOLID, 2);
   SetIndexBuffer(2, ExtMapBuffer3);
   SetIndexStyle(2, DRAW_LINE, STYLE_SOLID, 2); 
   SetIndexBuffer(3, ExtMapBuffer4);
   SetIndexStyle(3, DRAW_LINE, STYLE_SOLID, 2);
//----
   SetIndexBuffer(4, sum);        
   SetIndexBuffer(5, wt);         
   SetIndexBuffer(6, lsma_ma);   
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void start()
  {   
    Draw4HowLong = Bars-Rperiod - 5; //Rperiod = 20
    
    length = Rperiod;                //length now = 20  
    lsma_length = LSMA_Period;
    loopbegin = Draw4HowLong - length - 1;   
    //----
    for(shift = loopbegin; shift >= 0; shift--)  //  MAIN For Loop
      { 
        sum[1] = 0;                                              
        //----
        for(i = length; i >= 1  ; i--)             //LSMA loop
          {
            lengthvar = length + 1;                               //lengthvar = 21  
            lengthvar /= 3;                                       //lengthvar = 7
            tmp = 0;
            tmp = ( i - lengthvar)*Open[length-i+shift];         //tmp = 20 - 7 * close[20-i+shift]
            sum[1] += tmp;
          }
        wt[shift] = sum[1]*6 / (length*(length + 1));  
        j = shift;
        lsma_ma[shift] = wt[j+1] + (wt[j] - wt[j+1])* 2 / (lsma_length + 1);
//========== COLOR CODING ===========================================                       
        ExtMapBuffer1[shift] = wt[shift]; 
        ExtMapBuffer2[shift] = lsma_ma[shift]; 
        ExtMapBuffer3[shift] = wt[shift]; 
        ExtMapBuffer4[shift] = lsma_ma[shift];                        
        //----
        if(wt[shift] < lsma_ma[shift])
          {
            ExtMapBuffer4[shift] = EMPTY_VALUE;
            ExtMapBuffer3[shift] = EMPTY_VALUE;
          }          
      
      }
  }
//+------------------------------------------------------------------+