97 lines
7.3 KiB
Plaintext
97 lines
7.3 KiB
Plaintext
//+------------------------------------------------------------------+
|
|
//| AD.mq5 |
|
|
//| Copyright 2018, MetaQuotes Software Corp. |
|
|
//| https://mql5.com |
|
|
//+------------------------------------------------------------------+
|
|
#property copyright "Copyright 2018, MetaQuotes Software Corp."
|
|
#property link "https://mql5.com"
|
|
#property version "1.00"
|
|
#property indicator_separate_window
|
|
#property indicator_buffers 2
|
|
#property indicator_plots 1
|
|
//--- plot AD
|
|
#property indicator_label1 "AD"
|
|
#property indicator_type1 DRAW_LINE
|
|
#property indicator_color1 clrGreen
|
|
#property indicator_style1 STYLE_SOLID
|
|
#property indicator_width1 1
|
|
//--- enums
|
|
enum ENUM_METHOD
|
|
{
|
|
METHOD_CLASSIC, // Classical
|
|
METHOD_INC, // Classical Incremental
|
|
METHOD_TS_INC // Trade Station Incremental
|
|
};
|
|
//--- input parameters
|
|
input ENUM_METHOD InpMethod = METHOD_CLASSIC; // AD calculation method
|
|
//--- indicator buffers
|
|
double BufferAD[];
|
|
double BufferCurent[];
|
|
//+------------------------------------------------------------------+
|
|
//| Custom indicator initialization function |
|
|
//+------------------------------------------------------------------+
|
|
int OnInit()
|
|
{
|
|
//--- indicator buffers mapping
|
|
SetIndexBuffer(0,BufferAD,INDICATOR_DATA);
|
|
SetIndexBuffer(1,BufferCurent,INDICATOR_CALCULATIONS);
|
|
//--- setting indicator parameters
|
|
IndicatorSetString(INDICATOR_SHORTNAME,"AD");
|
|
IndicatorSetInteger(INDICATOR_DIGITS,Digits());
|
|
//--- setting buffer arrays as timeseries
|
|
ArraySetAsSeries(BufferAD,true);
|
|
ArraySetAsSeries(BufferCurent,true);
|
|
//---
|
|
return(INIT_SUCCEEDED);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Custom indicator iteration function |
|
|
//+------------------------------------------------------------------+
|
|
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[])
|
|
{
|
|
//--- Проверка на минимальное колиество баров для расчёта
|
|
if(rates_total<1) return 0;
|
|
//--- Установка индексации массивов как таймсерий
|
|
ArraySetAsSeries(open,true);
|
|
ArraySetAsSeries(high,true);
|
|
ArraySetAsSeries(low,true);
|
|
ArraySetAsSeries(close,true);
|
|
ArraySetAsSeries(tick_volume,true);
|
|
//--- Проверка и расчёт количества просчитываемых баров
|
|
int limit=rates_total-prev_calculated;
|
|
int limit2=limit;
|
|
if(limit>1)
|
|
{
|
|
limit=rates_total-1;
|
|
limit2=limit-1;
|
|
ArrayInitialize(BufferAD,0);
|
|
ArrayInitialize(BufferCurent,0);
|
|
}
|
|
//--- Подготовка данных
|
|
for(int i=limit; i>=0 && !IsStopped(); i--)
|
|
{
|
|
BufferCurent[i]=
|
|
(
|
|
high[i]-low[i]!=0 ?
|
|
InpMethod==METHOD_TS_INC ?
|
|
((close[i]-open[i])/(high[i]-low[i]))*tick_volume[i] :
|
|
(((close[i]-low[i]) -(high[i]-close[i]))/(high[i]-low[i]))*tick_volume[i] : 0
|
|
);
|
|
}
|
|
//--- Расчёт индикатора
|
|
for(int i=limit2; i>=0 && !IsStopped(); i--)
|
|
BufferAD[i]=(InpMethod==METHOD_CLASSIC ? BufferCurent[i] : BufferAD[i+1]+BufferCurent[i]);
|
|
//--- return value of prev_calculated for next call
|
|
return(rates_total);
|
|
}
|
|
//+------------------------------------------------------------------+
|