sinTrendM4c_mtf

//+------------------------------------------------------------------+
//|   sinTrend                                          TrendOSC.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
//mod2008fxtsd mladen ki 
#property copyright "Copyright © 2005, DVYU."
#property link      "http://www.DVYU.ox"

#property indicator_buffers 4
#property indicator_color1 Gold
#property indicator_color2 OrangeRed
#property indicator_color3 DarkOrange
#property indicator_color4 Red

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

//
//
//
//
//

extern int     TimeFrame          = 0;//ïàðàìåòðû
extern bool    useCustom_g_period = false;
extern int     Custom_g_period    = 36;//Îáúÿâëåíèå ãëîáàëüíûõ ïåðåìåííûõ
extern string  TimeFrames         = "M1;5,15,30,60H1;240H4;1440D1;10080W1;43200MN|0-CurrentTF";
extern string  defaultGperiods.TF = "110M1;905M,60M15,42M30,36H1;24H4;18D1;12W1;3MN1";

//
//
//
//
//

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

int g_period; //Îáúÿâëåíèå ãëîáàëüíûõ ïåðåìåííûõ


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int init()
{
   IndicatorBuffers(5);  
      SetIndexBuffer(0,ExtMapBuffer1); SetIndexStyle(0,DRAW_HISTOGRAM);
      SetIndexBuffer(1,ExtMapBuffer2); SetIndexStyle(1,DRAW_HISTOGRAM);
      SetIndexBuffer(2,ExtMapBuffer3); SetIndexStyle(2,DRAW_HISTOGRAM);
      SetIndexBuffer(3,ExtMapBuffer4); SetIndexStyle(3,DRAW_HISTOGRAM);
      SetIndexBuffer(4,z_buffer);

   //
   //
   //
   //
   //
     
   TimeFrame = MathMax(TimeFrame,Period());
      switch(TimeFrame)
      {
         case 1 : string TimeFrameStr="M1";  g_period=110; break;
         case 5 :        TimeFrameStr="M5";  g_period=90;  break;
         case 15 :       TimeFrameStr="M15"; g_period=60;  break;
         case 30 :       TimeFrameStr="M30"; g_period=42;  break;
         case 60 :       TimeFrameStr="H1";  g_period=36;  break;
         case 240 :      TimeFrameStr="H4";  g_period=24;  break;
         case 1440 :     TimeFrameStr="D1";  g_period=18;  break;
         case 10080 :    TimeFrameStr="W1";  g_period=12;  break;
         case 43200 :    TimeFrameStr="MN1"; g_period=3;   break;
         default :       TimeFrameStr="TF 0";
      } 
   string ShortName = ("sinTrend ["+TimeFrameStr+"] default_g ("+g_period+")");
 
   if (useCustom_g_period)  
                           {  g_period = Custom_g_period ;
                              ShortName = (ShortName + " | g ("+g_period+")");
                           }

   //
   //
   //
   //
   //
   
          IndicatorShortName(ShortName);
   return(0);
}
int deinit()
{
   return(0);
}

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
//
//
//
//
//

int start()
  {
   int counted_bars=IndicatorCounted();
   int    i,limit,y;
   
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
          limit= Bars-counted_bars;
          limit= MathMax(limit,TimeFrame/Period());
   
   //
   //
   //
   //
   //
   
   datetime TimeArray[]; ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame); 
      for(i=0,y=0;i<limit;i++)
      {
         if (Time[i]<TimeArray[y]) y++;
         z_buffer[i] = MathSin((iClose(NULL,TimeFrame,y)-iClose(NULL,TimeFrame,y+g_period))/g_period);
      }
   
   //
   //
   //
   //
   //
   
   for(i=limit;i>=0;i--)
   {
      if (z_buffer[i]==z_buffer[i+1])   
      {
         ExtMapBuffer1[i]=ExtMapBuffer1[i+1];
         ExtMapBuffer2[i]=ExtMapBuffer2[i+1];
         ExtMapBuffer3[i]=ExtMapBuffer3[i+1];
         ExtMapBuffer4[i]=ExtMapBuffer4[i+1];
         continue;
      }        
      
      //
      //
      //
      //
      //
          
      ExtMapBuffer1[i]=EMPTY_VALUE;
      ExtMapBuffer2[i]=EMPTY_VALUE;
      ExtMapBuffer3[i]=EMPTY_VALUE;
      ExtMapBuffer4[i]=EMPTY_VALUE;

         if (z_buffer[i]>0)
         {
             if (z_buffer[i] > z_buffer[i+1])
                 ExtMapBuffer1[i] = z_buffer[i];
            else ExtMapBuffer2[i] = z_buffer[i];
         }         
         if (z_buffer[i]<0)
         {
            if (z_buffer[i] > z_buffer[i+1])
                 ExtMapBuffer3[i] = z_buffer[i];
            else ExtMapBuffer4[i] = z_buffer[i];
         }         
   }
   return(0);
}