//+------------------------------------------------------------------+
//|                                               AO&MACD_MTF_NL.mq4 |
//| -Multitimeframe    Normalized / Line                             |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                 http://www.mql5.com/ru/code/7813 |
//|                                   Some features add by AST, 2014 |
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2005, MetaQuotes Software Corp."
#property  link      "http://www.metaquotes.net/"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 6
#property  indicator_level1 0.0
#property  indicator_levelwidth 0
#property  indicator_levelstyle STYLE_DOT
#property  indicator_levelcolor DimGray

#property  indicator_color1  Black
#property  indicator_color2  Green //colors for AO
#property  indicator_color3  Red

#property  indicator_color4  Black
#property  indicator_color5  DodgerBlue //colors for MACD
#property  indicator_color6  DodgerBlue

#property  indicator_width1 0
#property  indicator_width2 2
#property  indicator_width3 2

#property  indicator_width4 0
#property  indicator_width5 2
#property  indicator_width6 2

extern string _______Parameter1_______ = "_______Awesome Oscillator_______";
extern bool AO_show=true;   // Show AO
extern int  AO_TF=0;        // Timeframe
extern int  AO_fast=5;      // Standart AO SMA fast Period=5
extern int  AO_slow=34;     // Standart AO SMA slow Period=34
extern bool AO_line=true;
extern string _______Parameter2_______ = "_______MACD Oscillator__________";
extern bool MACD_show=true; // Show MACD
extern int  MACD_TF=0;      // Timeframe
extern int  MACD_fast=21;   // Standart MACD EMA fast Period=12
extern int  MACD_slow=55;   // Standart MACD EMA slow Period=26
extern bool MACD_line=true;

//---- indicator buffers
double     ExtBuffer0[];
double     ExtBuffer1[];
double     ExtBuffer2[];

double     ExtBuffer3[];
double     ExtBuffer4[];
double     ExtBuffer5[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string AO_name, MACD_name, sp;
   IndicatorBuffers(6);
   IndicatorDigits(2);
   //---- drawing settings
   if (AO_line)
   {
     SetIndexStyle(0,DRAW_NONE);
     SetIndexStyle(1,DRAW_LINE);
     SetIndexStyle(2,DRAW_LINE);
   } else
   {
     SetIndexStyle(0,DRAW_NONE);
     SetIndexStyle(1,DRAW_HISTOGRAM);
     SetIndexStyle(2,DRAW_HISTOGRAM);
   }

   if (MACD_line)
   {
     SetIndexStyle(3,DRAW_NONE);
     SetIndexStyle(4,DRAW_LINE);
     SetIndexStyle(5,DRAW_LINE);
   } else
   {
     SetIndexStyle(3,DRAW_NONE);
     SetIndexStyle(4,DRAW_HISTOGRAM);
     SetIndexStyle(5,DRAW_HISTOGRAM);
   }

   SetIndexDrawBegin(0,AO_slow);
   SetIndexDrawBegin(1,AO_slow);
   SetIndexDrawBegin(2,AO_slow);

   SetIndexDrawBegin(3,MACD_slow);
   SetIndexDrawBegin(4,MACD_slow);
   SetIndexDrawBegin(5,MACD_slow);

//---- 6 indicator buffers mapping
   SetIndexBuffer(0,ExtBuffer0);
   SetIndexBuffer(1,ExtBuffer1);
   SetIndexBuffer(2,ExtBuffer2);
   SetIndexBuffer(3,ExtBuffer3);
   SetIndexBuffer(4,ExtBuffer4);
   SetIndexBuffer(5,ExtBuffer5);
//---- name for DataWindow and indicator subwindow label
   if (AO_show)
   {
     if (MACD_show) sp="+ "; else sp="";
     AO_name=StringConcatenate("AO (",AO_fast,",",AO_slow,") TF_",StrPer(AO_TF)); 
   }else AO_name="";
   if (MACD_show)
     MACD_name=StringConcatenate("MACD (",MACD_fast,",",MACD_slow,") TF_",StrPer(MACD_TF)); else MACD_name="";
   IndicatorShortName(AO_name+sp+MACD_name);
   SetIndexLabel(0,AO_name);
   SetIndexLabel(1,AO_name);
   SetIndexLabel(2,AO_name);

   SetIndexLabel(3,MACD_name);
   SetIndexLabel(4,MACD_name);
   SetIndexLabel(5,MACD_name);
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| Awesome Oscillator                                               |
//+------------------------------------------------------------------+
int start()
{
   int    limit;
   int    counted_bars=IndicatorCounted();
   double AO_prev,AO_current,MACD_prev,MACD_current;
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
   if(counted_bars==0) limit-=1+1;
//---- macd

   for(int i=0; i<limit; i++)
   {
     if (AO_show)   ExtBuffer0[i]=(iMA(NULL,AO_TF,AO_fast,0,MODE_SMA,PRICE_MEDIAN,i)-iMA(NULL,AO_TF,AO_slow,0,MODE_SMA,PRICE_MEDIAN,i))/Point;       else ExtBuffer0[i]=EMPTY_VALUE;
     if (MACD_show) ExtBuffer3[i]=(iMA(NULL,MACD_TF,MACD_fast,0,MODE_EMA,PRICE_CLOSE,i)-iMA(NULL,MACD_TF,MACD_slow,0,MODE_EMA,PRICE_CLOSE,i))/Point; else ExtBuffer3[i]=EMPTY_VALUE;
   }
//---- dispatch values between 2 buffers

   bool AO_up=true, MACD_up=true;
   for(i=limit-1; i>=0; i--)
   {
      if (AO_show)
      {
        AO_current=ExtBuffer0[i];
        AO_prev=ExtBuffer0[i+1];
        if(AO_current>AO_prev) AO_up=true;
        if(AO_current<AO_prev) AO_up=false;

        if(!AO_up)
        {
           ExtBuffer2[i]=AO_current;
           ExtBuffer1[i]=EMPTY_VALUE;
           ExtBuffer1[i+1]=AO_prev;

        }
        else
        {
           ExtBuffer1[i]=AO_current;
           ExtBuffer2[i]=EMPTY_VALUE;
           ExtBuffer1[i+1]=AO_prev;
        }
      }

      if (MACD_show)
      {
        MACD_current=ExtBuffer3[i];
        MACD_prev=ExtBuffer3[i+1];
        if(MACD_current>MACD_prev) MACD_up=true;
        if(MACD_current<MACD_prev) MACD_up=false;

        if(!MACD_up)
        {
           ExtBuffer5[i]=MACD_current;
           ExtBuffer4[i]=EMPTY_VALUE;
           ExtBuffer4[i+1]=MACD_prev;

        }
        else
        {
           ExtBuffer4[i]=MACD_current;
           ExtBuffer5[i]=EMPTY_VALUE;
           ExtBuffer4[i+1]=MACD_prev;
        }
      }
   }
//---- done
   return(0);
}

//------------------------------------Period return----------------------------------------
string StrPer(int per)
{
   if (per==0) per=Period();
   if (per == 1)     return("M1 ");
   if (per == 5)     return("M5 ");
   if (per == 15)    return("M15 ");
   if (per == 30)    return("M30 ");
   if (per == 60)    return("H1 ");
   if (per == 240)   return("H4 ");
   if (per == 1440)  return("D1 ");
   if (per == 10080) return("W1 ");
   if (per == 43200) return("MN ");
return("ошибка периода");
}