118 lines
10 KiB
Plaintext
118 lines
10 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Rex.mq5 |
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//| Copyright 2018, MetaQuotes Software Corp. |
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//| https://mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2018, MetaQuotes Software Corp."
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#property link "https://mql5.com"
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#property version "1.00"
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#property description "Rex oscillator"
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#property indicator_separate_window
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#property indicator_buffers 3
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#property indicator_plots 2
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//--- plot Rex
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#property indicator_label1 "Rex"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrGreen
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 1
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//--- plot Signal
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#property indicator_label2 "Signal"
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#property indicator_type2 DRAW_LINE
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#property indicator_color2 clrRed
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#property indicator_style2 STYLE_SOLID
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#property indicator_width2 1
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//--- input parameters
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input uint InpPeriod = 14; // Rex period
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input ENUM_MA_METHOD InpMethod = MODE_SMA; // Rex method
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input uint InpPeriodSig = 14; // Signal period
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input ENUM_MA_METHOD InpMethodSig = MODE_SMA; // Signal method
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//--- indicator buffers
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double BufferRex[];
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double BufferSignal[];
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double BufferTVB[];
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//--- global variables
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int period_rex;
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int period_sig;
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int weight_sum;
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//--- includes
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#include <MovingAverages.mqh>
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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//--- set global variables
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period_rex=int(InpPeriod<1 ? 1 : InpPeriod);
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period_sig=int(InpPeriodSig<2 ? 2 : InpPeriodSig);
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//--- indicator buffers mapping
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SetIndexBuffer(0,BufferRex,INDICATOR_DATA);
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SetIndexBuffer(1,BufferSignal,INDICATOR_DATA);
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SetIndexBuffer(2,BufferTVB,INDICATOR_CALCULATIONS);
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//--- setting indicator parameters
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IndicatorSetString(INDICATOR_SHORTNAME,"Rex ("+(string)period_rex+","+(string)period_sig+")");
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IndicatorSetInteger(INDICATOR_DIGITS,Digits());
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//--- setting buffer arrays as timeseries
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ArraySetAsSeries(BufferRex,true);
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ArraySetAsSeries(BufferSignal,true);
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ArraySetAsSeries(BufferTVB,true);
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//---
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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//--- Установка массивов буферов как таймсерий
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ArraySetAsSeries(open,true);
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ArraySetAsSeries(high,true);
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ArraySetAsSeries(low,true);
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ArraySetAsSeries(close,true);
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//--- Проверка и расчёт количества просчитываемых баров
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if(rates_total<4 || Point()==0) return 0;
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//--- Проверка и расчёт количества просчитываемых баров
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int limit=rates_total-prev_calculated;
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if(limit>1)
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{
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limit=rates_total-1;
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ArrayInitialize(BufferRex,EMPTY_VALUE);
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ArrayInitialize(BufferSignal,EMPTY_VALUE);
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ArrayInitialize(BufferTVB,0);
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}
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//--- Подготовка данных
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for(int i=limit; i>=0 && !IsStopped(); i--)
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BufferTVB[i]=3.0*close[i]-(low[i]+open[i]+high[i]);
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//--- Расчёт индикатора
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switch(InpMethod)
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{
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case MODE_EMA : if(ExponentialMAOnBuffer(rates_total,prev_calculated,0,period_rex,BufferTVB,BufferRex)==0) return 0; break;
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case MODE_SMMA : if(SmoothedMAOnBuffer(rates_total,prev_calculated,0,period_rex,BufferTVB,BufferRex)==0) return 0; break;
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case MODE_LWMA : if(LinearWeightedMAOnBuffer(rates_total,prev_calculated,0,period_rex,BufferTVB,BufferRex,weight_sum)==0) return 0; break;
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//---MODE_SMA
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default : if(SimpleMAOnBuffer(rates_total,prev_calculated,0,period_rex,BufferTVB,BufferRex)==0) return 0; break;
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}
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switch(InpMethod)
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{
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case MODE_EMA : if(ExponentialMAOnBuffer(rates_total,prev_calculated,period_rex,period_sig,BufferRex,BufferSignal)==0) return 0; break;
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case MODE_SMMA : if(SmoothedMAOnBuffer(rates_total,prev_calculated,period_rex,period_sig,BufferRex,BufferSignal)==0) return 0; break;
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case MODE_LWMA : if(LinearWeightedMAOnBuffer(rates_total,prev_calculated,period_rex,period_sig,BufferRex,BufferSignal,weight_sum)==0) return 0; break;
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//---MODE_SMA
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default : if(SimpleMAOnBuffer(rates_total,prev_calculated,period_rex,period_sig,BufferRex,BufferSignal)==0) return 0; break;
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}
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//--- return value of prev_calculated for next call
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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