From a19c291525ced48989107a3217f67e9e01d1a30c Mon Sep 17 00:00:00 2001
From: 9nix6 <artur@lunar.net.pl>
Date: Wed, 14 Mar 2018 13:17:04 +0100
Subject: [PATCH] Added AwesomeOscillator

---
 .../RangeBars/RangeBars_AwesomeOscillator.mq5 | 145 ++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 Indicators/RangeBars/RangeBars_AwesomeOscillator.mq5

diff --git a/Indicators/RangeBars/RangeBars_AwesomeOscillator.mq5 b/Indicators/RangeBars/RangeBars_AwesomeOscillator.mq5
new file mode 100644
index 0000000..97f3a7d
--- /dev/null
+++ b/Indicators/RangeBars/RangeBars_AwesomeOscillator.mq5
@@ -0,0 +1,145 @@
+//+------------------------------------------------------------------+
+//|                                           Awesome_Oscillator.mq5 |
+//|                   Copyright 2009-2017, MetaQuotes Software Corp. |
+//|                                              http://www.mql5.com |
+//+------------------------------------------------------------------+
+#property copyright "2009-2017, MetaQuotes Software Corp."
+#property link      "http://www.mql5.com"
+
+//---- indicator settings
+#property indicator_separate_window
+#property indicator_buffers 4
+#property indicator_plots   1
+#property indicator_type1   DRAW_COLOR_HISTOGRAM
+#property indicator_color1  Green,Red
+#property indicator_width1  1
+#property indicator_label1  "AO"
+//--- indicator buffers
+double ExtAOBuffer[];
+double ExtColorBuffer[];
+double ExtFastBuffer[];
+double ExtSlowBuffer[];
+//--- handles for MAs
+int    ExtFastSMAHandle;
+int    ExtSlowSMAHandle;
+//--- bars minimum for calculation
+#define DATA_LIMIT 33
+
+//
+//
+
+#include <AZ-INVEST/SDK/RangeBarIndicator.mqh>
+RangeBarIndicator rangeBarsIndicator;
+
+
+//
+//
+
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function                         |
+//+------------------------------------------------------------------+
+void OnInit()
+  {
+//---- indicator buffers mapping
+   SetIndexBuffer(0,ExtAOBuffer,INDICATOR_DATA);
+   SetIndexBuffer(1,ExtColorBuffer,INDICATOR_COLOR_INDEX);
+   SetIndexBuffer(2,ExtFastBuffer,INDICATOR_CALCULATIONS);
+   SetIndexBuffer(3,ExtSlowBuffer,INDICATOR_CALCULATIONS);
+//--- set accuracy
+   IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1);
+//--- sets first bar from what index will be drawn
+   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,33);
+//--- name for DataWindow 
+   IndicatorSetString(INDICATOR_SHORTNAME,"AO");
+//--- get handles
+   //ExtFastSMAHandle=iMA(NULL,0,5,0,MODE_SMA,PRICE_MEDIAN);
+   //ExtSlowSMAHandle=iMA(NULL,0,34,0,MODE_SMA,PRICE_MEDIAN);
+   // renko mod
+//   ExtFastSMAHandle=iCustom(Symbol(),_Period,"RangeBars\\Indicators\\RangeBars_MA",5,0,MODE_SMA,PRICE_MEDIAN,true);
+//   ExtSlowSMAHandle=iCustom(Symbol(),_Period,"RangeBars\\Indicators\\RangeBars_MA",34,0,MODE_SMA,PRICE_MEDIAN,true);
+   ExtFastSMAHandle=iCustom(Symbol(),_Period,"RangeBars\\RangeBars_MA",5,0,MODE_SMA,PRICE_MEDIAN,true);
+   ExtSlowSMAHandle=iCustom(Symbol(),_Period,"RangeBars\\RangeBars_MA",34,0,MODE_SMA,PRICE_MEDIAN,true);
+//---- initialization done
+  }
+//+------------------------------------------------------------------+
+//|  Awesome Oscillator                                              |
+//+------------------------------------------------------------------+
+int OnCalculate(const int rates_total,
+                const int prev_calculated,
+                const datetime &time[],
+                const double &open[],
+                const double &high[],
+                const double &low[],
+                const double &close[],
+                const long &tick_volume[],
+                const long &volume[],
+                const int &spread[])
+  {
+ 
+//--- check for rates total
+   if(rates_total<=DATA_LIMIT)
+      return(0);// not enough bars for calculation
+
+//--- not all data may be calculated
+   int calculated=BarsCalculated(ExtFastSMAHandle);
+   if(calculated<rates_total)
+     {
+      Print("Not all data of ExtFastSMAHandle is calculated (",calculated,"bars ). Error",GetLastError());
+      return(0);
+     }
+   calculated=BarsCalculated(ExtSlowSMAHandle);
+   if(calculated<rates_total)
+     {
+      Print("Not all data of ExtSlowSMAHandle is calculated (",calculated,"bars ). Error",GetLastError());
+      return(0);
+     }
+//--- renko mod
+
+   if(!rangeBarsIndicator.OnCalculate(rates_total,prev_calculated,time))
+      return(0);
+  
+   int _prev_calculated = rangeBarsIndicator.GetPrevCalculated();
+
+//--- we can copy not all data
+   int to_copy;
+   if(_prev_calculated>rates_total || _prev_calculated<0) to_copy=rates_total;
+   else
+     {
+      to_copy=rates_total-prev_calculated;
+      if(_prev_calculated>0) to_copy++;
+     }
+//--- get FastSMA buffer
+   if(IsStopped()) return(0); //Checking for stop flag
+   if(CopyBuffer(ExtFastSMAHandle,0,0,to_copy,ExtFastBuffer)<=0)
+     {
+      Print("Getting fast SMA is failed! Error",GetLastError());
+      return(0);
+     }
+//--- get SlowSMA buffer
+   if(IsStopped()) return(0); //Checking for stop flag
+   if(CopyBuffer(ExtSlowSMAHandle,0,0,to_copy,ExtSlowBuffer)<=0)
+     {
+      Print("Getting slow SMA is failed! Error",GetLastError());
+      return(0);
+     }
+//--- first calculation or number of bars was changed
+   int i,limit;
+   if(_prev_calculated<=DATA_LIMIT)
+     {
+      for(i=0;i<DATA_LIMIT;i++)
+         ExtAOBuffer[i]=0.0;
+      limit=DATA_LIMIT;
+     }
+   else limit=_prev_calculated-1;
+//--- main loop of calculations
+   for(i=limit;i<rates_total && !IsStopped();i++)
+     {
+      ExtAOBuffer[i]=ExtFastBuffer[i]-ExtSlowBuffer[i];
+      if(ExtAOBuffer[i]>ExtAOBuffer[i-1])ExtColorBuffer[i]=0.0; // set color Green
+      else                               ExtColorBuffer[i]=1.0; // set color Red
+     }
+//--- return value of prev_calculated for next call
+   return(rates_total);
+  }
+
+//+------------------------------------------------------------------+