//+------------------------------------------------------------------+
//|                                     SwingMan HiLo Activator2.mq4 |
//|                                                         SwingMan |
//|                                               soc607@t-online.de |
//+------------------------------------------------------------------+
#property copyright "SwingMan"
#property link      "soc607@t-online.de"

#property indicator_chart_window

//---- indicator settings
#property  indicator_buffers 2
#property  indicator_color1 Red
#property  indicator_color2  Green

//---- input parameters ----------------------------------------------
extern int Period_HiLo = 10;
//--------------------------------------------------------------------

//---- indicator buffers
double BufferHighs[];
double BufferLows[];
//-- Arrays
double dHighs[],dLows[];
//-- variables
int iTrend;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//-- Arrays
   ArraySetAsSeries(dHighs,true);
   ArraySetAsSeries(dLows,true);
//---- indicator buffers mapping
   SetIndexBuffer(0,BufferHighs);
   SetIndexBuffer(1,BufferLows);   
  
   //---- drawing settings   
   SetIndexStyle(0,DRAW_LINE,0,1);  // Highs
   SetIndexStyle(1,DRAW_LINE,0,1);  // Lows   

   IndicatorDigits(Digits);
   
   SetIndexDrawBegin(0,Period_HiLo);
   SetIndexDrawBegin(1,Period_HiLo);

//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("SwingMan HiLoActivator2");
   Comment("SwingMan HiLoActivator2 (" + Period_HiLo +") ");
   
   SetIndexLabel(0,"Highs");
   SetIndexLabel(1,"Lows");
//--
   iTrend = 0;
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
   return(0);
  }
  
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars=IndicatorCounted();
   if (counted_bars<0) return(-1);
   if(Bars<=10) return(0);
   if (counted_bars>0) counted_bars--;   
   int limit = Bars - counted_bars;
   
   ArrayResize(dHighs,Bars);
   ArrayResize(dLows,Bars);
//----
   for (int i = 0; i <=limit-1; i++) 
   {
      dHighs[i] = iMA(NULL, 0, Period_HiLo, 0, MODE_SMA, PRICE_HIGH, i);
      dLows[i]  = iMA(NULL, 0, Period_HiLo, 0, MODE_SMA, PRICE_LOW, i);
   }
   
   for (i=limit-Period_HiLo; i >=0; i--) 
   {  
      BufferHighs[i] = EMPTY_VALUE;
      BufferLows[i] = EMPTY_VALUE;
      //-- first trend
      if (iTrend == 0) {
         if (Close[i] > dHighs[i]) iTrend = 1;
         else
         if (Close[i] < dLows[i]) iTrend = -1;
      }
      
      //-- up trend
      if (iTrend == 1) {
         if (Close[i] < dLows[i]) {
            BufferHighs[i] = dHighs[i];
            iTrend = -1;
         }
         else {
            BufferLows[i] = dLows[i];
         }   
      }
      else
      //-- down trend
      if (iTrend == -1) {
         if (Close[i] > dHighs[i]) {
            BufferLows[i] = dLows[i];
            iTrend = 1;
         }
         else {
            BufferHighs[i] = dHighs[i];
         }   
      }
   }   
//----
   return(0);
  }
//+------------------------------------------------------------------+